Linux-libre 4.7.1-gnupck-4.7.1-gnu

341 files changed, 10849 insertions, 3907 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 2018c2b0e..ac91939b9 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -15,7 +15,7 @@ config MIPS
 	select HAVE_ARCH_KGDB
 	select HAVE_ARCH_SECCOMP_FILTER
 	select HAVE_ARCH_TRACEHOOK
-	select HAVE_BPF_JIT if !CPU_MICROMIPS
+	select HAVE_CBPF_JIT if !CPU_MICROMIPS
 	select HAVE_FUNCTION_TRACER
 	select HAVE_DYNAMIC_FTRACE
 	select HAVE_FTRACE_MCOUNT_RECORD
@@ -48,6 +48,7 @@ config MIPS
 	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
 	select GENERIC_CMOS_UPDATE
 	select HAVE_MOD_ARCH_SPECIFIC
+	select HAVE_NMI
 	select VIRT_TO_BUS
 	select MODULES_USE_ELF_REL if MODULES
 	select MODULES_USE_ELF_RELA if MODULES && 64BIT
@@ -62,6 +63,7 @@ config MIPS
 	select HAVE_IRQ_TIME_ACCOUNTING
 	select GENERIC_TIME_VSYSCALL
 	select ARCH_CLOCKSOURCE_DATA
+	select HANDLE_DOMAIN_IRQ
 
 menu "Machine selection"
 
@@ -79,7 +81,7 @@ config MIPS_ALCHEMY
 	select SYS_HAS_CPU_MIPS32_R1
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_APM_EMULATION
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select SYS_SUPPORTS_ZBOOT
 	select COMMON_CLK
 
@@ -98,7 +100,7 @@ config AR7
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_SUPPORTS_MIPS16
 	select SYS_SUPPORTS_ZBOOT_UART16550
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select VLYNQ
 	select HAVE_CLK
 	help
@@ -122,11 +124,11 @@ config ATH25
 config ATH79
 	bool "Atheros AR71XX/AR724X/AR913X based boards"
 	select ARCH_HAS_RESET_CONTROLLER
-	select ARCH_REQUIRE_GPIOLIB
 	select BOOT_RAW
 	select CEVT_R4K
 	select CSRC_R4K
 	select DMA_NONCOHERENT
+	select GPIOLIB
 	select HAVE_CLK
 	select COMMON_CLK
 	select CLKDEV_LOOKUP
@@ -137,7 +139,7 @@ config ATH79
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_MIPS16
-	select SYS_SUPPORTS_ZBOOT
+	select SYS_SUPPORTS_ZBOOT_UART_PROM
 	select USE_OF
 	help
 	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
@@ -170,7 +172,6 @@ config BMIPS_GENERIC
 	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
 	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
 	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
-	select ARCH_WANT_OPTIONAL_GPIOLIB
 	help
 	  Build a generic DT-based kernel image that boots on select
 	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
@@ -179,7 +180,6 @@ config BMIPS_GENERIC
 
 config BCM47XX
 	bool "Broadcom BCM47XX based boards"
-	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select BOOT_RAW
 	select CEVT_R4K
 	select CSRC_R4K
@@ -196,6 +196,7 @@ config BCM47XX
 	select GPIOLIB
 	select LEDS_GPIO_REGISTER
 	select BCM47XX_NVRAM
+	select BCM47XX_SPROM
 	help
 	 Support for BCM47XX based boards
 
@@ -211,7 +212,7 @@ config BCM63XX
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_HAS_EARLY_PRINTK
 	select SWAP_IO_SPACE
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select HAVE_CLK
 	select MIPS_L1_CACHE_SHIFT_4
 	help
@@ -305,7 +306,7 @@ config MACH_INGENIC
 	select SYS_SUPPORTS_ZBOOT_UART16550
 	select DMA_NONCOHERENT
 	select IRQ_MIPS_CPU
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select COMMON_CLK
 	select GENERIC_IRQ_CHIP
 	select BUILTIN_DTB
@@ -325,7 +326,7 @@ config LANTIQ
 	select SYS_SUPPORTS_MIPS16
 	select SYS_SUPPORTS_MULTITHREADING
 	select SYS_HAS_EARLY_PRINTK
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select SWAP_IO_SPACE
 	select BOOT_RAW
 	select CLKDEV_LOOKUP
@@ -377,7 +378,6 @@ config MACH_LOONGSON64
 
 config MACH_PISTACHIO
 	bool "IMG Pistachio SoC based boards"
-	select ARCH_REQUIRE_GPIOLIB
 	select BOOT_ELF32
 	select BOOT_RAW
 	select CEVT_R4K
@@ -385,6 +385,7 @@ config MACH_PISTACHIO
 	select COMMON_CLK
 	select CSRC_R4K
 	select DMA_MAYBE_COHERENT
+	select GPIOLIB
 	select IRQ_MIPS_CPU
 	select LIBFDT
 	select MFD_SYSCON
@@ -397,6 +398,7 @@ config MACH_PISTACHIO
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_SUPPORTS_MIPS_CPS
 	select SYS_SUPPORTS_MULTITHREADING
+	select SYS_SUPPORTS_RELOCATABLE
 	select SYS_SUPPORTS_ZBOOT
 	select SYS_HAS_EARLY_PRINTK
 	select USE_GENERIC_EARLY_PRINTK_8250
@@ -406,13 +408,13 @@ config MACH_PISTACHIO
 
 config MACH_XILFPGA
 	bool "MIPSfpga Xilinx based boards"
-	select ARCH_REQUIRE_GPIOLIB
 	select BOOT_ELF32
 	select BOOT_RAW
 	select BUILTIN_DTB
 	select CEVT_R4K
 	select COMMON_CLK
 	select CSRC_R4K
+	select GPIOLIB
 	select IRQ_MIPS_CPU
 	select LIBFDT
 	select MIPS_CPU_SCACHE
@@ -473,6 +475,7 @@ config MIPS_MALTA
 	select SYS_SUPPORTS_MULTITHREADING
 	select SYS_SUPPORTS_SMARTMIPS
 	select SYS_SUPPORTS_ZBOOT
+	select SYS_SUPPORTS_RELOCATABLE
 	select USE_OF
 	select ZONE_DMA32 if 64BIT
 	select BUILTIN_DTB
@@ -507,6 +510,7 @@ config MIPS_SEAD3
 	select MIPS_MSC
 	select SYS_HAS_CPU_MIPS32_R1
 	select SYS_HAS_CPU_MIPS32_R2
+	select SYS_HAS_CPU_MIPS32_R6
 	select SYS_HAS_CPU_MIPS64_R1
 	select SYS_HAS_EARLY_PRINTK
 	select SYS_SUPPORTS_32BIT_KERNEL
@@ -516,6 +520,7 @@ config MIPS_SEAD3
 	select SYS_SUPPORTS_SMARTMIPS
 	select SYS_SUPPORTS_MICROMIPS
 	select SYS_SUPPORTS_MIPS16
+	select SYS_SUPPORTS_RELOCATABLE
 	select USB_EHCI_BIG_ENDIAN_DESC
 	select USB_EHCI_BIG_ENDIAN_MMIO
 	select USE_OF
@@ -536,7 +541,7 @@ config MACH_VR41XX
 	select CSRC_R4K
 	select SYS_HAS_CPU_VR41XX
 	select SYS_SUPPORTS_MIPS16
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 
 config NXP_STB220
 	bool "NXP STB220 board"
@@ -856,7 +861,7 @@ config MIKROTIK_RB532
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SWAP_IO_SPACE
 	select BOOT_RAW
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select MIPS_L1_CACHE_SHIFT_4
 	help
 	  Support the Mikrotik(tm) RouterBoard 532 series,
@@ -879,7 +884,7 @@ config CAVIUM_OCTEON_SOC
 	select HW_HAS_PCI
 	select ZONE_DMA32
 	select HOLES_IN_ZONE
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select LIBFDT
 	select USE_OF
 	select ARCH_SPARSEMEM_ENABLE
@@ -937,7 +942,7 @@ config NLM_XLP_BOARD
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select ARCH_PHYS_ADDR_T_64BIT
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_SUPPORTS_HIGHMEM
@@ -1077,7 +1082,7 @@ config MIPS_CLOCK_VSYSCALL
 	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
 
 config GPIO_TXX9
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	bool
 
 config FW_CFE
@@ -1155,6 +1160,13 @@ config ISA_DMA_API
 config HOLES_IN_ZONE
 	bool
 
+config SYS_SUPPORTS_RELOCATABLE
+	bool
+	help
+	 Selected if the platform supports relocating the kernel.
+	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
+	 to allow access to command line and entropy sources.
+
 #
 # Endianness selection.  Sufficiently obscure so many users don't know what to
 # answer,so we try hard to limit the available choices.  Also the use of a
@@ -1342,11 +1354,30 @@ config CPU_LOONGSON3
 	select CPU_SUPPORTS_HUGEPAGES
 	select WEAK_ORDERING
 	select WEAK_REORDERING_BEYOND_LLSC
-	select ARCH_REQUIRE_GPIOLIB
+	select MIPS_PGD_C0_CONTEXT
+	select GPIOLIB
 	help
 		The Loongson 3 processor implements the MIPS64R2 instruction
 		set with many extensions.
 
+config LOONGSON3_ENHANCEMENT
+	bool "New Loongson 3 CPU Enhancements"
+	default n
+	select CPU_MIPSR2
+	select CPU_HAS_PREFETCH
+	depends on CPU_LOONGSON3
+	help
+	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
+	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
+	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
+	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
+	  Fast TLB refill support, etc.
+
+	  This option enable those enhancements which are not probed at run
+	  time. If you want a generic kernel to run on all Loongson 3 machines,
+	  please say 'N' here. If you want a high-performance kernel to run on
+	  new Loongson 3 machines only, please say 'Y' here.
+
 config CPU_LOONGSON2E
 	bool "Loongson 2E"
 	depends on SYS_HAS_CPU_LOONGSON2E
@@ -1362,7 +1393,7 @@ config CPU_LOONGSON2F
 	bool "Loongson 2F"
 	depends on SYS_HAS_CPU_LOONGSON2F
 	select CPU_LOONGSON2
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	help
 	  The Loongson 2F processor implements the MIPS III instruction set
 	  with many extensions.
@@ -1375,6 +1406,8 @@ config CPU_LOONGSON1B
 	bool "Loongson 1B"
 	depends on SYS_HAS_CPU_LOONGSON1B
 	select CPU_LOONGSON1
+	select ARCH_WANT_OPTIONAL_GPIOLIB
+	select LEDS_GPIO_REGISTER
 	help
 	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
 	  release 2 instruction set.
@@ -1673,6 +1706,7 @@ config CPU_XLP
 	select CPU_HAS_PREFETCH
 	select CPU_MIPSR2
 	select CPU_SUPPORTS_HUGEPAGES
+	select MIPS_ASID_BITS_VARIABLE
 	help
 	  Netlogic Microsystems XLP processors.
 endchoice
@@ -1798,6 +1832,7 @@ config CPU_BMIPS4380
 	select MIPS_L1_CACHE_SHIFT_6
 	select SYS_SUPPORTS_SMP
 	select SYS_SUPPORTS_HOTPLUG_CPU
+	select CPU_HAS_RIXI
 
 config CPU_BMIPS5000
 	bool
@@ -1805,10 +1840,12 @@ config CPU_BMIPS5000
 	select MIPS_L1_CACHE_SHIFT_7
 	select SYS_SUPPORTS_SMP
 	select SYS_SUPPORTS_HOTPLUG_CPU
+	select CPU_HAS_RIXI
 
 config SYS_HAS_CPU_LOONGSON3
 	bool
 	select CPU_SUPPORTS_CPUFREQ
+	select CPU_HAS_RIXI
 
 config SYS_HAS_CPU_LOONGSON2E
 	bool
@@ -1961,11 +1998,15 @@ config CPU_MIPSR1
 config CPU_MIPSR2
 	bool
 	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
+	select CPU_HAS_RIXI
 	select MIPS_SPRAM
 
 config CPU_MIPSR6
 	bool
 	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
+	select CPU_HAS_RIXI
+	select HAVE_ARCH_BITREVERSE
+	select MIPS_ASID_BITS_VARIABLE
 	select MIPS_SPRAM
 
 config EVA
@@ -1999,7 +2040,7 @@ config MIPS_PGD_C0_CONTEXT
 #
 config HARDWARE_WATCHPOINTS
        bool
-       default y if CPU_MIPSR1 || CPU_MIPSR2
+       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
 
 menu "Kernel type"
 
@@ -2042,6 +2083,16 @@ config KVM_GUEST_TIMER_FREQ
 	  emulation when determining guest CPU Frequency. Instead, the guest's
 	  timer frequency is specified directly.
 
+config MIPS_VA_BITS_48
+	bool "48 bits virtual memory"
+	depends on 64BIT
+	help
+	  Support a maximum at least 48 bits of application virtual memory.
+	  Default is 40 bits or less, depending on the CPU.
+	  This option result in a small memory overhead for page tables.
+	  This option is only supported with 16k and 64k page sizes.
+	  If unsure, say N.
+
 choice
 	prompt "Kernel page size"
 	default PAGE_SIZE_4KB
@@ -2049,6 +2100,7 @@ choice
 config PAGE_SIZE_4KB
 	bool "4kB"
 	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
+	depends on !MIPS_VA_BITS_48
 	help
 	 This option select the standard 4kB Linux page size.  On some
 	 R3000-family processors this is the only available page size.  Using
@@ -2058,6 +2110,7 @@ config PAGE_SIZE_4KB
 config PAGE_SIZE_8KB
 	bool "8kB"
 	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
+	depends on !MIPS_VA_BITS_48
 	help
 	  Using 8kB page size will result in higher performance kernel at
 	  the price of higher memory consumption.  This option is available
@@ -2076,6 +2129,7 @@ config PAGE_SIZE_16KB
 config PAGE_SIZE_32KB
 	bool "32kB"
 	depends on CPU_CAVIUM_OCTEON
+	depends on !MIPS_VA_BITS_48
 	help
 	  Using 32kB page size will result in higher performance kernel at
 	  the price of higher memory consumption.  This option is available
@@ -2280,7 +2334,7 @@ config MIPS_CMP
 
 config MIPS_CPS
 	bool "MIPS Coherent Processing System support"
-	depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
+	depends on SYS_SUPPORTS_MIPS_CPS
 	select MIPS_CM
 	select MIPS_CPC
 	select MIPS_CPS_PM if HOTPLUG_CPU
@@ -2371,6 +2425,9 @@ config CPU_HAS_WB
 config XKS01
 	bool
 
+config CPU_HAS_RIXI
+	bool
+
 #
 # Vectored interrupt mode is an R2 feature
 #
@@ -2401,6 +2458,21 @@ config CPU_R4000_WORKAROUNDS
 config CPU_R4400_WORKAROUNDS
 	bool
 
+config MIPS_ASID_SHIFT
+	int
+	default 6 if CPU_R3000 || CPU_TX39XX
+	default 4 if CPU_R8000
+	default 0
+
+config MIPS_ASID_BITS
+	int
+	default 0 if MIPS_ASID_BITS_VARIABLE
+	default 6 if CPU_R3000 || CPU_TX39XX
+	default 8
+
+config MIPS_ASID_BITS_VARIABLE
+	bool
+
 #
 # - Highmem only makes sense for the 32-bit kernel.
 # - The current highmem code will only work properly on physically indexed
@@ -2470,6 +2542,61 @@ config NUMA
 config SYS_SUPPORTS_NUMA
 	bool
 
+config RELOCATABLE
+	bool "Relocatable kernel"
+	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6)
+	help
+	  This builds a kernel image that retains relocation information
+	  so it can be loaded someplace besides the default 1MB.
+	  The relocations make the kernel binary about 15% larger,
+	  but are discarded at runtime
+
+config RELOCATION_TABLE_SIZE
+	hex "Relocation table size"
+	depends on RELOCATABLE
+	range 0x0 0x01000000
+	default "0x00100000"
+	---help---
+	  A table of relocation data will be appended to the kernel binary
+	  and parsed at boot to fix up the relocated kernel.
+
+	  This option allows the amount of space reserved for the table to be
+	  adjusted, although the default of 1Mb should be ok in most cases.
+
+	  The build will fail and a valid size suggested if this is too small.
+
+	  If unsure, leave at the default value.
+
+config RANDOMIZE_BASE
+	bool "Randomize the address of the kernel image"
+	depends on RELOCATABLE
+	---help---
+	   Randomizes the physical and virtual address at which the
+	   kernel image is loaded, as a security feature that
+	   deters exploit attempts relying on knowledge of the location
+	   of kernel internals.
+
+	   Entropy is generated using any coprocessor 0 registers available.
+
+	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
+
+	   If unsure, say N.
+
+config RANDOMIZE_BASE_MAX_OFFSET
+	hex "Maximum kASLR offset" if EXPERT
+	depends on RANDOMIZE_BASE
+	range 0x0 0x40000000 if EVA || 64BIT
+	range 0x0 0x08000000
+	default "0x01000000"
+	---help---
+	  When kASLR is active, this provides the maximum offset that will
+	  be applied to the kernel image. It should be set according to the
+	  amount of physical RAM available in the target system minus
+	  PHYSICAL_START and must be a power of 2.
+
+	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
+	  EVA or 64-bit. The default is 16Mb.
+
 config NODES_SHIFT
 	int
 	default "6"
@@ -2477,7 +2604,7 @@ config NODES_SHIFT
 
 config HW_PERF_EVENTS
 	bool "Enable hardware performance counter support for perf events"
-	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
+	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
 	default y
 	help
 	  Enable hardware performance counter support for perf events. If
@@ -2810,6 +2937,10 @@ choice
 
 	config MIPS_CMDLINE_FROM_BOOTLOADER
 		bool "Bootloader kernel arguments if available"
+
+	config MIPS_CMDLINE_BUILTIN_EXTEND
+		depends on CMDLINE_BOOL
+		bool "Extend builtin kernel arguments with bootloader arguments"
 endchoice
 
 endmenu
@@ -2987,6 +3118,7 @@ config MIPS32_N32
 config BINFMT_ELF32
 	bool
 	default y if MIPS32_O32 || MIPS32_N32
+	select ELFCORE
 
 endmenu
 
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index e78d60dbd..efd7a9dc9 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -12,6 +12,9 @@
 # for "archclean" cleaning up for this architecture.
 #
 
+archscripts: scripts_basic
+	$(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
+
 KBUILD_DEFCONFIG := ip22_defconfig
 
 #
@@ -93,6 +96,10 @@ LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
 KBUILD_AFLAGS_MODULE		+= -mlong-calls
 KBUILD_CFLAGS_MODULE		+= -mlong-calls
 
+ifeq ($(CONFIG_RELOCATABLE),y)
+LDFLAGS_vmlinux			+= --emit-relocs
+endif
+
 #
 # pass -msoft-float to GAS if it supports it.  However on newer binutils
 # (specifically newer than 2.24.51.20140728) we then also need to explicitly
@@ -193,6 +200,8 @@ ifeq ($(CONFIG_CPU_HAS_MSA),y)
 toolchain-msa				:= $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
 cflags-$(toolchain-msa)			+= -DTOOLCHAIN_SUPPORTS_MSA
 endif
+toolchain-virt				:= $(call cc-option-yn,$(mips-cflags) -mvirt)
+cflags-$(toolchain-virt)		+= -DTOOLCHAIN_SUPPORTS_VIRT
 
 cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_NEVER)	+= -mcompact-branches=never
 cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_OPTIMAL)	+= -mcompact-branches=optimal
@@ -310,6 +319,10 @@ rom.bin rom.sw: vmlinux
 		$(bootvars-y) $@
 endif
 
+CMD_RELOCS = arch/mips/boot/tools/relocs
+quiet_cmd_relocs = RELOCS  $<
+      cmd_relocs = $(CMD_RELOCS) $<
+
 #
 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
@@ -318,6 +331,11 @@ endif
 quiet_cmd_32 = OBJCOPY $@
 	cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
 vmlinux.32: vmlinux
+ifeq ($(CONFIG_RELOCATABLE)$(CONFIG_64BIT),yy)
+# Currently, objcopy fails to handle the relocations in the elf64
+# So the relocs tool must be run here to remove them first
+	$(call cmd,relocs)
+endif
 	$(call cmd,32)
 
 #
@@ -333,6 +351,9 @@ all:	$(all-y)
 
 # boot
 $(boot-y): $(vmlinux-32) FORCE
+ifeq ($(CONFIG_RELOCATABLE)$(CONFIG_32BIT),yy)
+	$(call cmd,relocs)
+endif
 	$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
 		$(bootvars-y) arch/mips/boot/$@
 
@@ -385,6 +406,7 @@ endif
 archclean:
 	$(Q)$(MAKE) $(clean)=arch/mips/boot
 	$(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
+	$(Q)$(MAKE) $(clean)=arch/mips/boot/tools
 	$(Q)$(MAKE) $(clean)=arch/mips/lasat
 
 define archhelp
diff --git a/arch/mips/alchemy/Kconfig b/arch/mips/alchemy/Kconfig
index 7fa24881b..88b4d6a79 100644
--- a/arch/mips/alchemy/Kconfig
+++ b/arch/mips/alchemy/Kconfig
@@ -20,7 +20,7 @@ config MIPS_MTX1
 
 config MIPS_DB1XXX
 	bool "Alchemy DB1XXX / PB1XXX boards"
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select HW_HAS_PCI
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_HAS_EARLY_PRINTK
diff --git a/arch/mips/alchemy/common/clock.c b/arch/mips/alchemy/common/clock.c
index bd34f4093..7ba7ea0a2 100644
--- a/arch/mips/alchemy/common/clock.c
+++ b/arch/mips/alchemy/common/clock.c
@@ -1043,8 +1043,7 @@ static int __init alchemy_clk_init(void)
 
 	/* Root of the Alchemy clock tree: external 12MHz crystal osc */
 	c = clk_register_fixed_rate(NULL, ALCHEMY_ROOT_CLK, NULL,
-					   CLK_IS_ROOT,
-					   ALCHEMY_ROOTCLK_RATE);
+					   0, ALCHEMY_ROOTCLK_RATE);
 	ERRCK(c)
 
 	/* CPU core clock */
diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index 13c04cf54..dfc60209d 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -71,18 +71,6 @@ config ATH79_MACH_UBNT_XM
 	  Say 'Y' here if you want your kernel to support the
 	  Ubiquiti Networks XM (rev 1.0) board.
 
-choice
-	prompt "Build a DTB in the kernel"
-	optional
-	help
-	  Select a devicetree that should be built into the kernel.
-
-	config DTB_TL_WR1043ND_V1
-		bool "TL-WR1043ND Version 1"
-		select BUILTIN_DTB
-		select SOC_AR913X
-endchoice
-
 endmenu
 
 config SOC_AR71XX
diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c
index 618dfd735..2e7378467 100644
--- a/arch/mips/ath79/clock.c
+++ b/arch/mips/ath79/clock.c
@@ -18,17 +18,21 @@
 #include <linux/clk.h>
 #include <linux/clkdev.h>
 #include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <dt-bindings/clock/ath79-clk.h>
 
 #include <asm/div64.h>
 
 #include <asm/mach-ath79/ath79.h>
 #include <asm/mach-ath79/ar71xx_regs.h>
 #include "common.h"
+#include "machtypes.h"
 
 #define AR71XX_BASE_FREQ	40000000
 #define AR724X_BASE_FREQ	40000000
 
-static struct clk *clks[3];
+static struct clk *clks[ATH79_CLK_END];
 static struct clk_onecell_data clk_data = {
 	.clks = clks,
 	.clk_num = ARRAY_SIZE(clks),
@@ -40,7 +44,7 @@ static struct clk *__init ath79_add_sys_clkdev(
 	struct clk *clk;
 	int err;
 
-	clk = clk_register_fixed_rate(NULL, id, NULL, CLK_IS_ROOT, rate);
+	clk = clk_register_fixed_rate(NULL, id, NULL, 0, rate);
 	if (!clk)
 		panic("failed to allocate %s clock structure", id);
 
@@ -78,107 +82,139 @@ static void __init ar71xx_clocks_init(void)
 	ahb_rate = cpu_rate / div;
 
 	ath79_add_sys_clkdev("ref", ref_rate);
-	clks[0] = ath79_add_sys_clkdev("cpu", cpu_rate);
-	clks[1] = ath79_add_sys_clkdev("ddr", ddr_rate);
-	clks[2] = ath79_add_sys_clkdev("ahb", ahb_rate);
+	clks[ATH79_CLK_CPU] = ath79_add_sys_clkdev("cpu", cpu_rate);
+	clks[ATH79_CLK_DDR] = ath79_add_sys_clkdev("ddr", ddr_rate);
+	clks[ATH79_CLK_AHB] = ath79_add_sys_clkdev("ahb", ahb_rate);
 
 	clk_add_alias("wdt", NULL, "ahb", NULL);
 	clk_add_alias("uart", NULL, "ahb", NULL);
 }
 
-static void __init ar724x_clocks_init(void)
+static struct clk * __init ath79_reg_ffclk(const char *name,
+		const char *parent_name, unsigned int mult, unsigned int div)
 {
-	unsigned long ref_rate;
-	unsigned long cpu_rate;
-	unsigned long ddr_rate;
-	unsigned long ahb_rate;
-	u32 pll;
-	u32 freq;
-	u32 div;
+	struct clk *clk;
 
-	ref_rate = AR724X_BASE_FREQ;
-	pll = ath79_pll_rr(AR724X_PLL_REG_CPU_CONFIG);
+	clk = clk_register_fixed_factor(NULL, name, parent_name, 0, mult, div);
+	if (!clk)
+		panic("failed to allocate %s clock structure", name);
 
-	div = ((pll >> AR724X_PLL_FB_SHIFT) & AR724X_PLL_FB_MASK);
-	freq = div * ref_rate;
+	return clk;
+}
 
+static void __init ar724x_clk_init(struct clk *ref_clk, void __iomem *pll_base)
+{
+	u32 pll;
+	u32 mult, div, ddr_div, ahb_div;
+
+	pll = __raw_readl(pll_base + AR724X_PLL_REG_CPU_CONFIG);
+
+	mult = ((pll >> AR724X_PLL_FB_SHIFT) & AR724X_PLL_FB_MASK);
 	div = ((pll >> AR724X_PLL_REF_DIV_SHIFT) & AR724X_PLL_REF_DIV_MASK) * 2;
-	freq /= div;
 
-	cpu_rate = freq;
+	ddr_div = ((pll >> AR724X_DDR_DIV_SHIFT) & AR724X_DDR_DIV_MASK) + 1;
+	ahb_div = (((pll >> AR724X_AHB_DIV_SHIFT) & AR724X_AHB_DIV_MASK) + 1) * 2;
 
-	div = ((pll >> AR724X_DDR_DIV_SHIFT) & AR724X_DDR_DIV_MASK) + 1;
-	ddr_rate = freq / div;
+	clks[ATH79_CLK_CPU] = ath79_reg_ffclk("cpu", "ref", mult, div);
+	clks[ATH79_CLK_DDR] = ath79_reg_ffclk("ddr", "ref", mult, div * ddr_div);
+	clks[ATH79_CLK_AHB] = ath79_reg_ffclk("ahb", "ref", mult, div * ahb_div);
+}
 
-	div = (((pll >> AR724X_AHB_DIV_SHIFT) & AR724X_AHB_DIV_MASK) + 1) * 2;
-	ahb_rate = cpu_rate / div;
+static void __init ar724x_clocks_init(void)
+{
+	struct clk *ref_clk;
 
-	ath79_add_sys_clkdev("ref", ref_rate);
-	clks[0] = ath79_add_sys_clkdev("cpu", cpu_rate);
-	clks[1] = ath79_add_sys_clkdev("ddr", ddr_rate);
-	clks[2] = ath79_add_sys_clkdev("ahb", ahb_rate);
+	ref_clk = ath79_add_sys_clkdev("ref", AR724X_BASE_FREQ);
+
+	ar724x_clk_init(ref_clk, ath79_pll_base);
+
+	/* just make happy plat_time_init() from arch/mips/ath79/setup.c */
+	clk_register_clkdev(clks[ATH79_CLK_CPU], "cpu", NULL);
+	clk_register_clkdev(clks[ATH79_CLK_DDR], "ddr", NULL);
+	clk_register_clkdev(clks[ATH79_CLK_AHB], "ahb", NULL);
 
 	clk_add_alias("wdt", NULL, "ahb", NULL);
 	clk_add_alias("uart", NULL, "ahb", NULL);
 }
 
-static void __init ar933x_clocks_init(void)
+static void __init ar9330_clk_init(struct clk *ref_clk, void __iomem *pll_base)
 {
-	unsigned long ref_rate;
-	unsigned long cpu_rate;
-	unsigned long ddr_rate;
-	unsigned long ahb_rate;
 	u32 clock_ctrl;
-	u32 cpu_config;
-	u32 freq;
-	u32 t;
+	u32 ref_div;
+	u32 ninit_mul;
+	u32 out_div;
 
-	t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
-	if (t & AR933X_BOOTSTRAP_REF_CLK_40)
-		ref_rate = (40 * 1000 * 1000);
-	else
-		ref_rate = (25 * 1000 * 1000);
+	u32 cpu_div;
+	u32 ddr_div;
+	u32 ahb_div;
 
-	clock_ctrl = ath79_pll_rr(AR933X_PLL_CLOCK_CTRL_REG);
+	clock_ctrl = __raw_readl(pll_base + AR933X_PLL_CLOCK_CTRL_REG);
 	if (clock_ctrl & AR933X_PLL_CLOCK_CTRL_BYPASS) {
-		cpu_rate = ref_rate;
-		ahb_rate = ref_rate;
-		ddr_rate = ref_rate;
+		ref_div = 1;
+		ninit_mul = 1;
+		out_div = 1;
+
+		cpu_div = 1;
+		ddr_div = 1;
+		ahb_div = 1;
 	} else {
-		cpu_config = ath79_pll_rr(AR933X_PLL_CPU_CONFIG_REG);
+		u32 cpu_config;
+		u32 t;
+
+		cpu_config = __raw_readl(pll_base + AR933X_PLL_CPU_CONFIG_REG);
 
 		t = (cpu_config >> AR933X_PLL_CPU_CONFIG_REFDIV_SHIFT) &
 		    AR933X_PLL_CPU_CONFIG_REFDIV_MASK;
-		freq = ref_rate / t;
+		ref_div = t;
 
-		t = (cpu_config >> AR933X_PLL_CPU_CONFIG_NINT_SHIFT) &
+		ninit_mul = (cpu_config >> AR933X_PLL_CPU_CONFIG_NINT_SHIFT) &
 		    AR933X_PLL_CPU_CONFIG_NINT_MASK;
-		freq *= t;
 
 		t = (cpu_config >> AR933X_PLL_CPU_CONFIG_OUTDIV_SHIFT) &
 		    AR933X_PLL_CPU_CONFIG_OUTDIV_MASK;
 		if (t == 0)
 			t = 1;
 
-		freq >>= t;
+		out_div = (1 << t);
 
-		t = ((clock_ctrl >> AR933X_PLL_CLOCK_CTRL_CPU_DIV_SHIFT) &
+		cpu_div = ((clock_ctrl >> AR933X_PLL_CLOCK_CTRL_CPU_DIV_SHIFT) &
 		     AR933X_PLL_CLOCK_CTRL_CPU_DIV_MASK) + 1;
-		cpu_rate = freq / t;
 
-		t = ((clock_ctrl >> AR933X_PLL_CLOCK_CTRL_DDR_DIV_SHIFT) &
+		ddr_div = ((clock_ctrl >> AR933X_PLL_CLOCK_CTRL_DDR_DIV_SHIFT) &
 		      AR933X_PLL_CLOCK_CTRL_DDR_DIV_MASK) + 1;
-		ddr_rate = freq / t;
 
-		t = ((clock_ctrl >> AR933X_PLL_CLOCK_CTRL_AHB_DIV_SHIFT) &
+		ahb_div = ((clock_ctrl >> AR933X_PLL_CLOCK_CTRL_AHB_DIV_SHIFT) &
 		     AR933X_PLL_CLOCK_CTRL_AHB_DIV_MASK) + 1;
-		ahb_rate = freq / t;
 	}
 
-	ath79_add_sys_clkdev("ref", ref_rate);
-	clks[0] = ath79_add_sys_clkdev("cpu", cpu_rate);
-	clks[1] = ath79_add_sys_clkdev("ddr", ddr_rate);
-	clks[2] = ath79_add_sys_clkdev("ahb", ahb_rate);
+	clks[ATH79_CLK_CPU] = ath79_reg_ffclk("cpu", "ref",
+					ninit_mul, ref_div * out_div * cpu_div);
+	clks[ATH79_CLK_DDR] = ath79_reg_ffclk("ddr", "ref",
+					ninit_mul, ref_div * out_div * ddr_div);
+	clks[ATH79_CLK_AHB] = ath79_reg_ffclk("ahb", "ref",
+					ninit_mul, ref_div * out_div * ahb_div);
+}
+
+static void __init ar933x_clocks_init(void)
+{
+	struct clk *ref_clk;
+	unsigned long ref_rate;
+	u32 t;
+
+	t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
+	if (t & AR933X_BOOTSTRAP_REF_CLK_40)
+		ref_rate = (40 * 1000 * 1000);
+	else
+		ref_rate = (25 * 1000 * 1000);
+
+	ref_clk = ath79_add_sys_clkdev("ref", ref_rate);
+
+	ar9330_clk_init(ref_clk, ath79_pll_base);
+
+	/* just make happy plat_time_init() from arch/mips/ath79/setup.c */
+	clk_register_clkdev(clks[ATH79_CLK_CPU], "cpu", NULL);
+	clk_register_clkdev(clks[ATH79_CLK_DDR], "ddr", NULL);
+	clk_register_clkdev(clks[ATH79_CLK_AHB], "ahb", NULL);
 
 	clk_add_alias("wdt", NULL, "ahb", NULL);
 	clk_add_alias("uart", NULL, "ref", NULL);
@@ -310,9 +346,9 @@ static void __init ar934x_clocks_init(void)
 		ahb_rate = cpu_pll / (postdiv + 1);
 
 	ath79_add_sys_clkdev("ref", ref_rate);
-	clks[0] = ath79_add_sys_clkdev("cpu", cpu_rate);
-	clks[1] = ath79_add_sys_clkdev("ddr", ddr_rate);
-	clks[2] = ath79_add_sys_clkdev("ahb", ahb_rate);
+	clks[ATH79_CLK_CPU] = ath79_add_sys_clkdev("cpu", cpu_rate);
+	clks[ATH79_CLK_DDR] = ath79_add_sys_clkdev("ddr", ddr_rate);
+	clks[ATH79_CLK_AHB] = ath79_add_sys_clkdev("ahb", ahb_rate);
 
 	clk_add_alias("wdt", NULL, "ref", NULL);
 	clk_add_alias("uart", NULL, "ref", NULL);
@@ -397,9 +433,9 @@ static void __init qca955x_clocks_init(void)
 		ahb_rate = cpu_pll / (postdiv + 1);
 
 	ath79_add_sys_clkdev("ref", ref_rate);
-	clks[0] = ath79_add_sys_clkdev("cpu", cpu_rate);
-	clks[1] = ath79_add_sys_clkdev("ddr", ddr_rate);
-	clks[2] = ath79_add_sys_clkdev("ahb", ahb_rate);
+	clks[ATH79_CLK_CPU] = ath79_add_sys_clkdev("cpu", cpu_rate);
+	clks[ATH79_CLK_DDR] = ath79_add_sys_clkdev("ddr", ddr_rate);
+	clks[ATH79_CLK_AHB] = ath79_add_sys_clkdev("ahb", ahb_rate);
 
 	clk_add_alias("wdt", NULL, "ref", NULL);
 	clk_add_alias("uart", NULL, "ref", NULL);
@@ -419,8 +455,6 @@ void __init ath79_clocks_init(void)
 		qca955x_clocks_init();
 	else
 		BUG();
-
-	of_clk_init(NULL);
 }
 
 unsigned long __init
@@ -447,8 +481,49 @@ static void __init ath79_clocks_init_dt(struct device_node *np)
 
 CLK_OF_DECLARE(ar7100, "qca,ar7100-pll", ath79_clocks_init_dt);
 CLK_OF_DECLARE(ar7240, "qca,ar7240-pll", ath79_clocks_init_dt);
-CLK_OF_DECLARE(ar9130, "qca,ar9130-pll", ath79_clocks_init_dt);
-CLK_OF_DECLARE(ar9330, "qca,ar9330-pll", ath79_clocks_init_dt);
 CLK_OF_DECLARE(ar9340, "qca,ar9340-pll", ath79_clocks_init_dt);
 CLK_OF_DECLARE(ar9550, "qca,qca9550-pll", ath79_clocks_init_dt);
+
+static void __init ath79_clocks_init_dt_ng(struct device_node *np)
+{
+	struct clk *ref_clk;
+	void __iomem *pll_base;
+	const char *dnfn = of_node_full_name(np);
+
+	ref_clk = of_clk_get(np, 0);
+	if (IS_ERR(ref_clk)) {
+		pr_err("%s: of_clk_get failed\n", dnfn);
+		goto err;
+	}
+
+	pll_base = of_iomap(np, 0);
+	if (!pll_base) {
+		pr_err("%s: can't map pll registers\n", dnfn);
+		goto err_clk;
+	}
+
+	if (of_device_is_compatible(np, "qca,ar9130-pll"))
+		ar724x_clk_init(ref_clk, pll_base);
+	else if (of_device_is_compatible(np, "qca,ar9330-pll"))
+		ar9330_clk_init(ref_clk, pll_base);
+	else {
+		pr_err("%s: could not find any appropriate clk_init()\n", dnfn);
+		goto err_clk;
+	}
+
+	if (of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data)) {
+		pr_err("%s: could not register clk provider\n", dnfn);
+		goto err_clk;
+	}
+
+	return;
+
+err_clk:
+	clk_put(ref_clk);
+
+err:
+	return;
+}
+CLK_OF_DECLARE(ar9130_clk, "qca,ar9130-pll", ath79_clocks_init_dt_ng);
+CLK_OF_DECLARE(ar9330_clk, "qca,ar9330-pll", ath79_clocks_init_dt_ng);
 #endif
diff --git a/arch/mips/ath79/common.c b/arch/mips/ath79/common.c
index 3cedd1f95..d071a3a0f 100644
--- a/arch/mips/ath79/common.c
+++ b/arch/mips/ath79/common.c
@@ -46,12 +46,12 @@ void ath79_ddr_ctrl_init(void)
 {
 	ath79_ddr_base = ioremap_nocache(AR71XX_DDR_CTRL_BASE,
 					 AR71XX_DDR_CTRL_SIZE);
-	if (soc_is_ar71xx() || soc_is_ar934x()) {
-		ath79_ddr_wb_flush_base = ath79_ddr_base + 0x9c;
-		ath79_ddr_pci_win_base = ath79_ddr_base + 0x7c;
-	} else {
+	if (soc_is_ar913x() || soc_is_ar724x() || soc_is_ar933x()) {
 		ath79_ddr_wb_flush_base = ath79_ddr_base + 0x7c;
 		ath79_ddr_pci_win_base = 0;
+	} else {
+		ath79_ddr_wb_flush_base = ath79_ddr_base + 0x9c;
+		ath79_ddr_pci_win_base = ath79_ddr_base + 0x7c;
 	}
 }
 EXPORT_SYMBOL_GPL(ath79_ddr_ctrl_init);
@@ -76,14 +76,14 @@ void ath79_ddr_set_pci_windows(void)
 {
 	BUG_ON(!ath79_ddr_pci_win_base);
 
-	__raw_writel(AR71XX_PCI_WIN0_OFFS, ath79_ddr_pci_win_base + 0);
-	__raw_writel(AR71XX_PCI_WIN1_OFFS, ath79_ddr_pci_win_base + 1);
-	__raw_writel(AR71XX_PCI_WIN2_OFFS, ath79_ddr_pci_win_base + 2);
-	__raw_writel(AR71XX_PCI_WIN3_OFFS, ath79_ddr_pci_win_base + 3);
-	__raw_writel(AR71XX_PCI_WIN4_OFFS, ath79_ddr_pci_win_base + 4);
-	__raw_writel(AR71XX_PCI_WIN5_OFFS, ath79_ddr_pci_win_base + 5);
-	__raw_writel(AR71XX_PCI_WIN6_OFFS, ath79_ddr_pci_win_base + 6);
-	__raw_writel(AR71XX_PCI_WIN7_OFFS, ath79_ddr_pci_win_base + 7);
+	__raw_writel(AR71XX_PCI_WIN0_OFFS, ath79_ddr_pci_win_base + 0x0);
+	__raw_writel(AR71XX_PCI_WIN1_OFFS, ath79_ddr_pci_win_base + 0x4);
+	__raw_writel(AR71XX_PCI_WIN2_OFFS, ath79_ddr_pci_win_base + 0x8);
+	__raw_writel(AR71XX_PCI_WIN3_OFFS, ath79_ddr_pci_win_base + 0xc);
+	__raw_writel(AR71XX_PCI_WIN4_OFFS, ath79_ddr_pci_win_base + 0x10);
+	__raw_writel(AR71XX_PCI_WIN5_OFFS, ath79_ddr_pci_win_base + 0x14);
+	__raw_writel(AR71XX_PCI_WIN6_OFFS, ath79_ddr_pci_win_base + 0x18);
+	__raw_writel(AR71XX_PCI_WIN7_OFFS, ath79_ddr_pci_win_base + 0x1c);
 }
 EXPORT_SYMBOL_GPL(ath79_ddr_set_pci_windows);
 
diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index be451ee4a..7adab180e 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -17,6 +17,7 @@
 #include <linux/bootmem.h>
 #include <linux/err.h>
 #include <linux/clk.h>
+#include <linux/clk-provider.h>
 #include <linux/of_platform.h>
 #include <linux/of_fdt.h>
 
@@ -203,26 +204,57 @@ void __init plat_mem_setup(void)
 	fdt_start = fw_getenvl("fdt_start");
 	if (fdt_start)
 		__dt_setup_arch((void *)KSEG0ADDR(fdt_start));
-#ifdef CONFIG_BUILTIN_DTB
-	else
-		__dt_setup_arch(__dtb_start);
-#endif
+	else if (fw_arg0 == -2)
+		__dt_setup_arch((void *)KSEG0ADDR(fw_arg1));
 
-	ath79_reset_base = ioremap_nocache(AR71XX_RESET_BASE,
-					   AR71XX_RESET_SIZE);
-	ath79_pll_base = ioremap_nocache(AR71XX_PLL_BASE,
-					 AR71XX_PLL_SIZE);
-	ath79_detect_sys_type();
-	ath79_ddr_ctrl_init();
+	if (mips_machtype != ATH79_MACH_GENERIC_OF) {
+		ath79_reset_base = ioremap_nocache(AR71XX_RESET_BASE,
+						   AR71XX_RESET_SIZE);
+		ath79_pll_base = ioremap_nocache(AR71XX_PLL_BASE,
+						 AR71XX_PLL_SIZE);
+		ath79_detect_sys_type();
+		ath79_ddr_ctrl_init();
 
-	if (mips_machtype != ATH79_MACH_GENERIC_OF)
 		detect_memory_region(0, ATH79_MEM_SIZE_MIN, ATH79_MEM_SIZE_MAX);
 
-	_machine_restart = ath79_restart;
+		/* OF machines should use the reset driver */
+		_machine_restart = ath79_restart;
+	}
+
 	_machine_halt = ath79_halt;
 	pm_power_off = ath79_halt;
 }
 
+static void __init ath79_of_plat_time_init(void)
+{
+	struct device_node *np;
+	struct clk *clk;
+	unsigned long cpu_clk_rate;
+
+	of_clk_init(NULL);
+
+	np = of_get_cpu_node(0, NULL);
+	if (!np) {
+		pr_err("Failed to get CPU node\n");
+		return;
+	}
+
+	clk = of_clk_get(np, 0);
+	if (IS_ERR(clk)) {
+		pr_err("Failed to get CPU clock: %ld\n", PTR_ERR(clk));
+		return;
+	}
+
+	cpu_clk_rate = clk_get_rate(clk);
+
+	pr_info("CPU clock: %lu.%03lu MHz\n",
+		cpu_clk_rate / 1000000, (cpu_clk_rate / 1000) % 1000);
+
+	mips_hpt_frequency = cpu_clk_rate / 2;
+
+	clk_put(clk);
+}
+
 void __init plat_time_init(void)
 {
 	unsigned long cpu_clk_rate;
@@ -230,6 +262,11 @@ void __init plat_time_init(void)
 	unsigned long ddr_clk_rate;
 	unsigned long ref_clk_rate;
 
+	if (IS_ENABLED(CONFIG_OF) && mips_machtype == ATH79_MACH_GENERIC_OF) {
+		ath79_of_plat_time_init();
+		return;
+	}
+
 	ath79_clocks_init();
 
 	cpu_clk_rate = ath79_get_sys_clk_rate("cpu");
diff --git a/arch/mips/bcm47xx/Makefile b/arch/mips/bcm47xx/Makefile
index 66bea4ecf..6d8615074 100644
--- a/arch/mips/bcm47xx/Makefile
+++ b/arch/mips/bcm47xx/Makefile
@@ -3,5 +3,5 @@
 # under Linux.
 #
 
-obj-y				+= irq.o prom.o serial.o setup.o time.o sprom.o
+obj-y				+= irq.o prom.o serial.o setup.o time.o
 obj-y				+= board.o buttons.o leds.o workarounds.o
diff --git a/arch/mips/bcm47xx/bcm47xx_private.h b/arch/mips/bcm47xx/bcm47xx_private.h
index 41796befa..0367ac728 100644
--- a/arch/mips/bcm47xx/bcm47xx_private.h
+++ b/arch/mips/bcm47xx/bcm47xx_private.h
@@ -10,9 +10,6 @@
 /* prom.c */
 void __init bcm47xx_prom_highmem_init(void);
 
-/* sprom.c */
-void bcm47xx_sprom_register_fallbacks(void);
-
 /* buttons.c */
 int __init bcm47xx_buttons_register(void);
 
diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
index c807e32d6..6054d49e6 100644
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -28,6 +28,7 @@
 
 #include "bcm47xx_private.h"
 
+#include <linux/bcm47xx_sprom.h>
 #include <linux/export.h>
 #include <linux/types.h>
 #include <linux/ethtool.h>
@@ -151,7 +152,6 @@ void __init plat_mem_setup(void)
 		pr_info("Using bcma bus\n");
 #ifdef CONFIG_BCM47XX_BCMA
 		bcm47xx_bus_type = BCM47XX_BUS_TYPE_BCMA;
-		bcm47xx_sprom_register_fallbacks();
 		bcm47xx_register_bcma();
 		bcm47xx_set_system_type(bcm47xx_bus.bcma.bus.chipinfo.id);
 #ifdef CONFIG_HIGHMEM
diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c
deleted file mode 100644
index ca7ad131d..000000000
--- a/arch/mips/bcm47xx/sprom.c
+++ /dev/null
@@ -1,724 +0,0 @@
-/*
- *  Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
- *  Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
- *  Copyright (C) 2006 Michael Buesch <m@bues.ch>
- *  Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
- *  Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <bcm47xx.h>
-#include <linux/if_ether.h>
-#include <linux/etherdevice.h>
-
-static void create_key(const char *prefix, const char *postfix,
-		       const char *name, char *buf, int len)
-{
-	if (prefix && postfix)
-		snprintf(buf, len, "%s%s%s", prefix, name, postfix);
-	else if (prefix)
-		snprintf(buf, len, "%s%s", prefix, name);
-	else if (postfix)
-		snprintf(buf, len, "%s%s", name, postfix);
-	else
-		snprintf(buf, len, "%s", name);
-}
-
-static int get_nvram_var(const char *prefix, const char *postfix,
-			 const char *name, char *buf, int len, bool fallback)
-{
-	char key[40];
-	int err;
-
-	create_key(prefix, postfix, name, key, sizeof(key));
-
-	err = bcm47xx_nvram_getenv(key, buf, len);
-	if (fallback && err == -ENOENT && prefix) {
-		create_key(NULL, postfix, name, key, sizeof(key));
-		err = bcm47xx_nvram_getenv(key, buf, len);
-	}
-	return err;
-}
-
-#define NVRAM_READ_VAL(type)						\
-static void nvram_read_ ## type(const char *prefix,			\
-				const char *postfix, const char *name,	\
-				type *val, type allset, bool fallback)	\
-{									\
-	char buf[100];							\
-	int err;							\
-	type var;							\
-									\
-	err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf),	\
-			    fallback);					\
-	if (err < 0)							\
-		return;							\
-	err = kstrto ## type(strim(buf), 0, &var);			\
-	if (err) {							\
-		pr_warn("can not parse nvram name %s%s%s with value %s got %i\n",	\
-			prefix, name, postfix, buf, err);		\
-		return;							\
-	}								\
-	if (allset && var == allset)					\
-		return;							\
-	*val = var;							\
-}
-
-NVRAM_READ_VAL(u8)
-NVRAM_READ_VAL(s8)
-NVRAM_READ_VAL(u16)
-NVRAM_READ_VAL(u32)
-
-#undef NVRAM_READ_VAL
-
-static void nvram_read_u32_2(const char *prefix, const char *name,
-			     u16 *val_lo, u16 *val_hi, bool fallback)
-{
-	char buf[100];
-	int err;
-	u32 val;
-
-	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
-	if (err < 0)
-		return;
-	err = kstrtou32(strim(buf), 0, &val);
-	if (err) {
-		pr_warn("can not parse nvram name %s%s with value %s got %i\n",
-			prefix, name, buf, err);
-		return;
-	}
-	*val_lo = (val & 0x0000FFFFU);
-	*val_hi = (val & 0xFFFF0000U) >> 16;
-}
-
-static void nvram_read_leddc(const char *prefix, const char *name,
-			     u8 *leddc_on_time, u8 *leddc_off_time,
-			     bool fallback)
-{
-	char buf[100];
-	int err;
-	u32 val;
-
-	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
-	if (err < 0)
-		return;
-	err = kstrtou32(strim(buf), 0, &val);
-	if (err) {
-		pr_warn("can not parse nvram name %s%s with value %s got %i\n",
-			prefix, name, buf, err);
-		return;
-	}
-
-	if (val == 0xffff || val == 0xffffffff)
-		return;
-
-	*leddc_on_time = val & 0xff;
-	*leddc_off_time = (val >> 16) & 0xff;
-}
-
-static void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
-{
-	if (strchr(buf, ':'))
-		sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
-			&macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
-			&macaddr[5]);
-	else if (strchr(buf, '-'))
-		sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
-			&macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
-			&macaddr[5]);
-	else
-		pr_warn("Can not parse mac address: %s\n", buf);
-}
-
-static void nvram_read_macaddr(const char *prefix, const char *name,
-			       u8 val[6], bool fallback)
-{
-	char buf[100];
-	int err;
-
-	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
-	if (err < 0)
-		return;
-
-	bcm47xx_nvram_parse_macaddr(buf, val);
-}
-
-static void nvram_read_alpha2(const char *prefix, const char *name,
-			     char val[2], bool fallback)
-{
-	char buf[10];
-	int err;
-
-	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
-	if (err < 0)
-		return;
-	if (buf[0] == '0')
-		return;
-	if (strlen(buf) > 2) {
-		pr_warn("alpha2 is too long %s\n", buf);
-		return;
-	}
-	memcpy(val, buf, 2);
-}
-
-/* This is one-function-only macro, it uses local "sprom" variable! */
-#define ENTRY(_revmask, _type, _prefix, _name, _val, _allset, _fallback) \
-	if (_revmask & BIT(sprom->revision)) \
-		nvram_read_ ## _type(_prefix, NULL, _name, &sprom->_val, \
-				     _allset, _fallback)
-/*
- * Special version of filling function that can be safely called for any SPROM
- * revision. For every NVRAM to SPROM mapping it contains bitmask of revisions
- * for which the mapping is valid.
- * It obviously requires some hexadecimal/bitmasks knowledge, but allows
- * writing cleaner code (easy revisions handling).
- * Note that while SPROM revision 0 was never used, we still keep BIT(0)
- * reserved for it, just to keep numbering sane.
- */
-static void bcm47xx_sprom_fill_auto(struct ssb_sprom *sprom,
-				    const char *prefix, bool fallback)
-{
-	const char *pre = prefix;
-	bool fb = fallback;
-
-	/* Broadcom extracts it for rev 8+ but it was found on 2 and 4 too */
-	ENTRY(0xfffffffe, u16, pre, "devid", dev_id, 0, fallback);
-
-	ENTRY(0xfffffffe, u16, pre, "boardrev", board_rev, 0, true);
-	ENTRY(0xfffffffe, u32, pre, "boardflags", boardflags, 0, fb);
-	ENTRY(0xfffffff0, u32, pre, "boardflags2", boardflags2, 0, fb);
-	ENTRY(0xfffff800, u32, pre, "boardflags3", boardflags3, 0, fb);
-	ENTRY(0x00000002, u16, pre, "boardflags", boardflags_lo, 0, fb);
-	ENTRY(0xfffffffc, u16, pre, "boardtype", board_type, 0, true);
-	ENTRY(0xfffffffe, u16, pre, "boardnum", board_num, 0, fb);
-	ENTRY(0x00000002, u8, pre, "cc", country_code, 0, fb);
-	ENTRY(0xfffffff8, u8, pre, "regrev", regrev, 0, fb);
-
-	ENTRY(0xfffffffe, u8, pre, "ledbh0", gpio0, 0xff, fb);
-	ENTRY(0xfffffffe, u8, pre, "ledbh1", gpio1, 0xff, fb);
-	ENTRY(0xfffffffe, u8, pre, "ledbh2", gpio2, 0xff, fb);
-	ENTRY(0xfffffffe, u8, pre, "ledbh3", gpio3, 0xff, fb);
-
-	ENTRY(0x0000070e, u16, pre, "pa0b0", pa0b0, 0, fb);
-	ENTRY(0x0000070e, u16, pre, "pa0b1", pa0b1, 0, fb);
-	ENTRY(0x0000070e, u16, pre, "pa0b2", pa0b2, 0, fb);
-	ENTRY(0x0000070e, u8, pre, "pa0itssit", itssi_bg, 0, fb);
-	ENTRY(0x0000070e, u8, pre, "pa0maxpwr", maxpwr_bg, 0, fb);
-
-	ENTRY(0x0000070c, u8, pre, "opo", opo, 0, fb);
-	ENTRY(0xfffffffe, u8, pre, "aa2g", ant_available_bg, 0, fb);
-	ENTRY(0xfffffffe, u8, pre, "aa5g", ant_available_a, 0, fb);
-	ENTRY(0x000007fe, s8, pre, "ag0", antenna_gain.a0, 0, fb);
-	ENTRY(0x000007fe, s8, pre, "ag1", antenna_gain.a1, 0, fb);
-	ENTRY(0x000007f0, s8, pre, "ag2", antenna_gain.a2, 0, fb);
-	ENTRY(0x000007f0, s8, pre, "ag3", antenna_gain.a3, 0, fb);
-
-	ENTRY(0x0000070e, u16, pre, "pa1b0", pa1b0, 0, fb);
-	ENTRY(0x0000070e, u16, pre, "pa1b1", pa1b1, 0, fb);
-	ENTRY(0x0000070e, u16, pre, "pa1b2", pa1b2, 0, fb);
-	ENTRY(0x0000070c, u16, pre, "pa1lob0", pa1lob0, 0, fb);
-	ENTRY(0x0000070c, u16, pre, "pa1lob1", pa1lob1, 0, fb);
-	ENTRY(0x0000070c, u16, pre, "pa1lob2", pa1lob2, 0, fb);
-	ENTRY(0x0000070c, u16, pre, "pa1hib0", pa1hib0, 0, fb);
-	ENTRY(0x0000070c, u16, pre, "pa1hib1", pa1hib1, 0, fb);
-	ENTRY(0x0000070c, u16, pre, "pa1hib2", pa1hib2, 0, fb);
-	ENTRY(0x0000070e, u8, pre, "pa1itssit", itssi_a, 0, fb);
-	ENTRY(0x0000070e, u8, pre, "pa1maxpwr", maxpwr_a, 0, fb);
-	ENTRY(0x0000070c, u8, pre, "pa1lomaxpwr", maxpwr_al, 0, fb);
-	ENTRY(0x0000070c, u8, pre, "pa1himaxpwr", maxpwr_ah, 0, fb);
-
-	ENTRY(0x00000708, u8, pre, "bxa2g", bxa2g, 0, fb);
-	ENTRY(0x00000708, u8, pre, "rssisav2g", rssisav2g, 0, fb);
-	ENTRY(0x00000708, u8, pre, "rssismc2g", rssismc2g, 0, fb);
-	ENTRY(0x00000708, u8, pre, "rssismf2g", rssismf2g, 0, fb);
-	ENTRY(0x00000708, u8, pre, "bxa5g", bxa5g, 0, fb);
-	ENTRY(0x00000708, u8, pre, "rssisav5g", rssisav5g, 0, fb);
-	ENTRY(0x00000708, u8, pre, "rssismc5g", rssismc5g, 0, fb);
-	ENTRY(0x00000708, u8, pre, "rssismf5g", rssismf5g, 0, fb);
-	ENTRY(0x00000708, u8, pre, "tri2g", tri2g, 0, fb);
-	ENTRY(0x00000708, u8, pre, "tri5g", tri5g, 0, fb);
-	ENTRY(0x00000708, u8, pre, "tri5gl", tri5gl, 0, fb);
-	ENTRY(0x00000708, u8, pre, "tri5gh", tri5gh, 0, fb);
-	ENTRY(0x00000708, s8, pre, "rxpo2g", rxpo2g, 0, fb);
-	ENTRY(0x00000708, s8, pre, "rxpo5g", rxpo5g, 0, fb);
-	ENTRY(0xfffffff0, u8, pre, "txchain", txchain, 0xf, fb);
-	ENTRY(0xfffffff0, u8, pre, "rxchain", rxchain, 0xf, fb);
-	ENTRY(0xfffffff0, u8, pre, "antswitch", antswitch, 0xff, fb);
-	ENTRY(0x00000700, u8, pre, "tssipos2g", fem.ghz2.tssipos, 0, fb);
-	ENTRY(0x00000700, u8, pre, "extpagain2g", fem.ghz2.extpa_gain, 0, fb);
-	ENTRY(0x00000700, u8, pre, "pdetrange2g", fem.ghz2.pdet_range, 0, fb);
-	ENTRY(0x00000700, u8, pre, "triso2g", fem.ghz2.tr_iso, 0, fb);
-	ENTRY(0x00000700, u8, pre, "antswctl2g", fem.ghz2.antswlut, 0, fb);
-	ENTRY(0x00000700, u8, pre, "tssipos5g", fem.ghz5.tssipos, 0, fb);
-	ENTRY(0x00000700, u8, pre, "extpagain5g", fem.ghz5.extpa_gain, 0, fb);
-	ENTRY(0x00000700, u8, pre, "pdetrange5g", fem.ghz5.pdet_range, 0, fb);
-	ENTRY(0x00000700, u8, pre, "triso5g", fem.ghz5.tr_iso, 0, fb);
-	ENTRY(0x00000700, u8, pre, "antswctl5g", fem.ghz5.antswlut, 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid2ga0", txpid2g[0], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid2ga1", txpid2g[1], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid2ga2", txpid2g[2], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid2ga3", txpid2g[3], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5ga0", txpid5g[0], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5ga1", txpid5g[1], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5ga2", txpid5g[2], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5ga3", txpid5g[3], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5gla0", txpid5gl[0], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5gla1", txpid5gl[1], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5gla2", txpid5gl[2], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5gla3", txpid5gl[3], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5gha0", txpid5gh[0], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5gha1", txpid5gh[1], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5gha2", txpid5gh[2], 0, fb);
-	ENTRY(0x000000f0, u8, pre, "txpid5gha3", txpid5gh[3], 0, fb);
-
-	ENTRY(0xffffff00, u8, pre, "tempthresh", tempthresh, 0, fb);
-	ENTRY(0xffffff00, u8, pre, "tempoffset", tempoffset, 0, fb);
-	ENTRY(0xffffff00, u16, pre, "rawtempsense", rawtempsense, 0, fb);
-	ENTRY(0xffffff00, u8, pre, "measpower", measpower, 0, fb);
-	ENTRY(0xffffff00, u8, pre, "tempsense_slope", tempsense_slope, 0, fb);
-	ENTRY(0xffffff00, u8, pre, "tempcorrx", tempcorrx, 0, fb);
-	ENTRY(0xffffff00, u8, pre, "tempsense_option", tempsense_option, 0, fb);
-	ENTRY(0x00000700, u8, pre, "freqoffset_corr", freqoffset_corr, 0, fb);
-	ENTRY(0x00000700, u8, pre, "iqcal_swp_dis", iqcal_swp_dis, 0, fb);
-	ENTRY(0x00000700, u8, pre, "hw_iqcal_en", hw_iqcal_en, 0, fb);
-	ENTRY(0x00000700, u8, pre, "elna2g", elna2g, 0, fb);
-	ENTRY(0x00000700, u8, pre, "elna5g", elna5g, 0, fb);
-	ENTRY(0xffffff00, u8, pre, "phycal_tempdelta", phycal_tempdelta, 0, fb);
-	ENTRY(0xffffff00, u8, pre, "temps_period", temps_period, 0, fb);
-	ENTRY(0xffffff00, u8, pre, "temps_hysteresis", temps_hysteresis, 0, fb);
-	ENTRY(0xffffff00, u8, pre, "measpower1", measpower1, 0, fb);
-	ENTRY(0xffffff00, u8, pre, "measpower2", measpower2, 0, fb);
-
-	ENTRY(0x000001f0, u16, pre, "cck2gpo", cck2gpo, 0, fb);
-	ENTRY(0x000001f0, u32, pre, "ofdm2gpo", ofdm2gpo, 0, fb);
-	ENTRY(0x000001f0, u32, pre, "ofdm5gpo", ofdm5gpo, 0, fb);
-	ENTRY(0x000001f0, u32, pre, "ofdm5glpo", ofdm5glpo, 0, fb);
-	ENTRY(0x000001f0, u32, pre, "ofdm5ghpo", ofdm5ghpo, 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs2gpo0", mcs2gpo[0], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs2gpo1", mcs2gpo[1], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs2gpo2", mcs2gpo[2], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs2gpo3", mcs2gpo[3], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs2gpo4", mcs2gpo[4], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs2gpo5", mcs2gpo[5], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs2gpo6", mcs2gpo[6], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs2gpo7", mcs2gpo[7], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5gpo0", mcs5gpo[0], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5gpo1", mcs5gpo[1], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5gpo2", mcs5gpo[2], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5gpo3", mcs5gpo[3], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5gpo4", mcs5gpo[4], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5gpo5", mcs5gpo[5], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5gpo6", mcs5gpo[6], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5gpo7", mcs5gpo[7], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5glpo0", mcs5glpo[0], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5glpo1", mcs5glpo[1], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5glpo2", mcs5glpo[2], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5glpo3", mcs5glpo[3], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5glpo4", mcs5glpo[4], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5glpo5", mcs5glpo[5], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5glpo6", mcs5glpo[6], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5glpo7", mcs5glpo[7], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5ghpo0", mcs5ghpo[0], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5ghpo1", mcs5ghpo[1], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5ghpo2", mcs5ghpo[2], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5ghpo3", mcs5ghpo[3], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5ghpo4", mcs5ghpo[4], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5ghpo5", mcs5ghpo[5], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5ghpo6", mcs5ghpo[6], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "mcs5ghpo7", mcs5ghpo[7], 0, fb);
-	ENTRY(0x000001f0, u16, pre, "cddpo", cddpo, 0, fb);
-	ENTRY(0x000001f0, u16, pre, "stbcpo", stbcpo, 0, fb);
-	ENTRY(0x000001f0, u16, pre, "bw40po", bw40po, 0, fb);
-	ENTRY(0x000001f0, u16, pre, "bwduppo", bwduppo, 0, fb);
-
-	ENTRY(0xfffffe00, u16, pre, "cckbw202gpo", cckbw202gpo, 0, fb);
-	ENTRY(0xfffffe00, u16, pre, "cckbw20ul2gpo", cckbw20ul2gpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "legofdmbw202gpo", legofdmbw202gpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "legofdmbw20ul2gpo", legofdmbw20ul2gpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "legofdmbw205glpo", legofdmbw205glpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "legofdmbw20ul5glpo", legofdmbw20ul5glpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "legofdmbw205gmpo", legofdmbw205gmpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "legofdmbw20ul5gmpo", legofdmbw20ul5gmpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "legofdmbw205ghpo", legofdmbw205ghpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "legofdmbw20ul5ghpo", legofdmbw20ul5ghpo, 0, fb);
-	ENTRY(0xfffffe00, u32, pre, "mcsbw202gpo", mcsbw202gpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "mcsbw20ul2gpo", mcsbw20ul2gpo, 0, fb);
-	ENTRY(0xfffffe00, u32, pre, "mcsbw402gpo", mcsbw402gpo, 0, fb);
-	ENTRY(0xfffffe00, u32, pre, "mcsbw205glpo", mcsbw205glpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "mcsbw20ul5glpo", mcsbw20ul5glpo, 0, fb);
-	ENTRY(0xfffffe00, u32, pre, "mcsbw405glpo", mcsbw405glpo, 0, fb);
-	ENTRY(0xfffffe00, u32, pre, "mcsbw205gmpo", mcsbw205gmpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "mcsbw20ul5gmpo", mcsbw20ul5gmpo, 0, fb);
-	ENTRY(0xfffffe00, u32, pre, "mcsbw405gmpo", mcsbw405gmpo, 0, fb);
-	ENTRY(0xfffffe00, u32, pre, "mcsbw205ghpo", mcsbw205ghpo, 0, fb);
-	ENTRY(0x00000600, u32, pre, "mcsbw20ul5ghpo", mcsbw20ul5ghpo, 0, fb);
-	ENTRY(0xfffffe00, u32, pre, "mcsbw405ghpo", mcsbw405ghpo, 0, fb);
-	ENTRY(0x00000600, u16, pre, "mcs32po", mcs32po, 0, fb);
-	ENTRY(0x00000600, u16, pre, "legofdm40duppo", legofdm40duppo, 0, fb);
-	ENTRY(0x00000700, u8, pre, "pcieingress_war", pcieingress_war, 0, fb);
-
-	/* TODO: rev 11 support */
-	ENTRY(0x00000700, u8, pre, "rxgainerr2ga0", rxgainerr2ga[0], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr2ga1", rxgainerr2ga[1], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr2ga2", rxgainerr2ga[2], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gla0", rxgainerr5gla[0], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gla1", rxgainerr5gla[1], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gla2", rxgainerr5gla[2], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gma0", rxgainerr5gma[0], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gma1", rxgainerr5gma[1], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gma2", rxgainerr5gma[2], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gha0", rxgainerr5gha[0], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gha1", rxgainerr5gha[1], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gha2", rxgainerr5gha[2], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gua0", rxgainerr5gua[0], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gua1", rxgainerr5gua[1], 0, fb);
-	ENTRY(0x00000700, u8, pre, "rxgainerr5gua2", rxgainerr5gua[2], 0, fb);
-
-	ENTRY(0xfffffe00, u8, pre, "sar2g", sar2g, 0, fb);
-	ENTRY(0xfffffe00, u8, pre, "sar5g", sar5g, 0, fb);
-
-	/* TODO: rev 11 support */
-	ENTRY(0x00000700, u8, pre, "noiselvl2ga0", noiselvl2ga[0], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl2ga1", noiselvl2ga[1], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl2ga2", noiselvl2ga[2], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gla0", noiselvl5gla[0], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gla1", noiselvl5gla[1], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gla2", noiselvl5gla[2], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gma0", noiselvl5gma[0], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gma1", noiselvl5gma[1], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gma2", noiselvl5gma[2], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gha0", noiselvl5gha[0], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gha1", noiselvl5gha[1], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gha2", noiselvl5gha[2], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gua0", noiselvl5gua[0], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gua1", noiselvl5gua[1], 0, fb);
-	ENTRY(0x00000700, u8, pre, "noiselvl5gua2", noiselvl5gua[2], 0, fb);
-}
-#undef ENTRY /* It's specififc, uses local variable, don't use it (again). */
-
-static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom,
-					  const char *prefix, bool fallback)
-{
-	char postfix[2];
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) {
-		struct ssb_sprom_core_pwr_info *pwr_info;
-
-		pwr_info = &sprom->core_pwr_info[i];
-
-		snprintf(postfix, sizeof(postfix), "%i", i);
-		nvram_read_u8(prefix, postfix, "maxp2ga",
-			      &pwr_info->maxpwr_2g, 0, fallback);
-		nvram_read_u8(prefix, postfix, "itt2ga",
-			      &pwr_info->itssi_2g, 0, fallback);
-		nvram_read_u8(prefix, postfix, "itt5ga",
-			      &pwr_info->itssi_5g, 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa2gw0a",
-			       &pwr_info->pa_2g[0], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa2gw1a",
-			       &pwr_info->pa_2g[1], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa2gw2a",
-			       &pwr_info->pa_2g[2], 0, fallback);
-		nvram_read_u8(prefix, postfix, "maxp5ga",
-			      &pwr_info->maxpwr_5g, 0, fallback);
-		nvram_read_u8(prefix, postfix, "maxp5gha",
-			      &pwr_info->maxpwr_5gh, 0, fallback);
-		nvram_read_u8(prefix, postfix, "maxp5gla",
-			      &pwr_info->maxpwr_5gl, 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5gw0a",
-			       &pwr_info->pa_5g[0], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5gw1a",
-			       &pwr_info->pa_5g[1], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5gw2a",
-			       &pwr_info->pa_5g[2], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5glw0a",
-			       &pwr_info->pa_5gl[0], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5glw1a",
-			       &pwr_info->pa_5gl[1], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5glw2a",
-			       &pwr_info->pa_5gl[2], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5ghw0a",
-			       &pwr_info->pa_5gh[0], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5ghw1a",
-			       &pwr_info->pa_5gh[1], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5ghw2a",
-			       &pwr_info->pa_5gh[2], 0, fallback);
-	}
-}
-
-static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom,
-					const char *prefix, bool fallback)
-{
-	char postfix[2];
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) {
-		struct ssb_sprom_core_pwr_info *pwr_info;
-
-		pwr_info = &sprom->core_pwr_info[i];
-
-		snprintf(postfix, sizeof(postfix), "%i", i);
-		nvram_read_u16(prefix, postfix, "pa2gw3a",
-			       &pwr_info->pa_2g[3], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5gw3a",
-			       &pwr_info->pa_5g[3], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5glw3a",
-			       &pwr_info->pa_5gl[3], 0, fallback);
-		nvram_read_u16(prefix, postfix, "pa5ghw3a",
-			       &pwr_info->pa_5gh[3], 0, fallback);
-	}
-}
-
-static bool bcm47xx_is_valid_mac(u8 *mac)
-{
-	return mac && !(mac[0] == 0x00 && mac[1] == 0x90 && mac[2] == 0x4c);
-}
-
-static int bcm47xx_increase_mac_addr(u8 *mac, u8 num)
-{
-	u8 *oui = mac + ETH_ALEN/2 - 1;
-	u8 *p = mac + ETH_ALEN - 1;
-
-	do {
-		(*p) += num;
-		if (*p > num)
-			break;
-		p--;
-		num = 1;
-	} while (p != oui);
-
-	if (p == oui) {
-		pr_err("unable to fetch mac address\n");
-		return -ENOENT;
-	}
-	return 0;
-}
-
-static int mac_addr_used = 2;
-
-static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom,
-					const char *prefix, bool fallback)
-{
-	bool fb = fallback;
-
-	nvram_read_macaddr(prefix, "et0macaddr", sprom->et0mac, fallback);
-	nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0,
-		      fallback);
-	nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0,
-		      fallback);
-
-	nvram_read_macaddr(prefix, "et1macaddr", sprom->et1mac, fallback);
-	nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0,
-		      fallback);
-	nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0,
-		      fallback);
-
-	nvram_read_macaddr(prefix, "et2macaddr", sprom->et2mac, fb);
-	nvram_read_u8(prefix, NULL, "et2mdcport", &sprom->et2mdcport, 0, fb);
-	nvram_read_u8(prefix, NULL, "et2phyaddr", &sprom->et2phyaddr, 0, fb);
-
-	nvram_read_macaddr(prefix, "macaddr", sprom->il0mac, fallback);
-	nvram_read_macaddr(prefix, "il0macaddr", sprom->il0mac, fallback);
-
-	/* The address prefix 00:90:4C is used by Broadcom in their initial
-	 * configuration. When a mac address with the prefix 00:90:4C is used
-	 * all devices from the same series are sharing the same mac address.
-	 * To prevent mac address collisions we replace them with a mac address
-	 * based on the base address.
-	 */
-	if (!bcm47xx_is_valid_mac(sprom->il0mac)) {
-		u8 mac[6];
-
-		nvram_read_macaddr(NULL, "et0macaddr", mac, false);
-		if (bcm47xx_is_valid_mac(mac)) {
-			int err = bcm47xx_increase_mac_addr(mac, mac_addr_used);
-
-			if (!err) {
-				ether_addr_copy(sprom->il0mac, mac);
-				mac_addr_used++;
-			}
-		}
-	}
-}
-
-static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix,
-				    bool fallback)
-{
-	nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo,
-			 &sprom->boardflags_hi, fallback);
-	nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo,
-			 &sprom->boardflags2_hi, fallback);
-}
-
-void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix,
-			bool fallback)
-{
-	bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback);
-	bcm47xx_fill_board_data(sprom, prefix, fallback);
-
-	nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback);
-
-	/* Entries requiring custom functions */
-	nvram_read_alpha2(prefix, "ccode", sprom->alpha2, fallback);
-	if (sprom->revision >= 3)
-		nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
-				 &sprom->leddc_off_time, fallback);
-
-	switch (sprom->revision) {
-	case 4:
-	case 5:
-		bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
-		bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback);
-		break;
-	case 8:
-	case 9:
-		bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
-		break;
-	}
-
-	bcm47xx_sprom_fill_auto(sprom, prefix, fallback);
-}
-
-#if defined(CONFIG_BCM47XX_SSB)
-static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
-{
-	char prefix[10];
-
-	switch (bus->bustype) {
-	case SSB_BUSTYPE_SSB:
-		bcm47xx_fill_sprom(out, NULL, false);
-		return 0;
-	case SSB_BUSTYPE_PCI:
-		memset(out, 0, sizeof(struct ssb_sprom));
-		snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
-			 bus->host_pci->bus->number + 1,
-			 PCI_SLOT(bus->host_pci->devfn));
-		bcm47xx_fill_sprom(out, prefix, false);
-		return 0;
-	default:
-		pr_warn("Unable to fill SPROM for given bustype.\n");
-		return -EINVAL;
-	}
-}
-#endif
-
-#if defined(CONFIG_BCM47XX_BCMA)
-/*
- * Having many NVRAM entries for PCI devices led to repeating prefixes like
- * pci/1/1/ all the time and wasting flash space. So at some point Broadcom
- * decided to introduce prefixes like 0: 1: 2: etc.
- * If we find e.g. devpath0=pci/2/1 or devpath0=pci/2/1/ we should use 0:
- * instead of pci/2/1/.
- */
-static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size)
-{
-	size_t prefix_len = strlen(prefix);
-	size_t short_len = prefix_len - 1;
-	char nvram_var[10];
-	char buf[20];
-	int i;
-
-	/* Passed prefix has to end with a slash */
-	if (prefix_len <= 0 || prefix[prefix_len - 1] != '/')
-		return;
-
-	for (i = 0; i < 3; i++) {
-		if (snprintf(nvram_var, sizeof(nvram_var), "devpath%d", i) <= 0)
-			continue;
-		if (bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf)) < 0)
-			continue;
-		if (!strcmp(buf, prefix) ||
-		    (short_len && strlen(buf) == short_len && !strncmp(buf, prefix, short_len))) {
-			snprintf(prefix, prefix_size, "%d:", i);
-			return;
-		}
-	}
-}
-
-static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
-{
-	struct bcma_boardinfo *binfo = &bus->boardinfo;
-	struct bcma_device *core;
-	char buf[10];
-	char *prefix;
-	bool fallback = false;
-
-	switch (bus->hosttype) {
-	case BCMA_HOSTTYPE_PCI:
-		memset(out, 0, sizeof(struct ssb_sprom));
-		/* On BCM47XX all PCI buses share the same domain */
-		if (config_enabled(CONFIG_BCM47XX))
-			snprintf(buf, sizeof(buf), "pci/%u/%u/",
-				 bus->host_pci->bus->number + 1,
-				 PCI_SLOT(bus->host_pci->devfn));
-		else
-			snprintf(buf, sizeof(buf), "pci/%u/%u/",
-				 pci_domain_nr(bus->host_pci->bus) + 1,
-				 bus->host_pci->bus->number);
-		bcm47xx_sprom_apply_prefix_alias(buf, sizeof(buf));
-		prefix = buf;
-		break;
-	case BCMA_HOSTTYPE_SOC:
-		memset(out, 0, sizeof(struct ssb_sprom));
-		core = bcma_find_core(bus, BCMA_CORE_80211);
-		if (core) {
-			snprintf(buf, sizeof(buf), "sb/%u/",
-				 core->core_index);
-			prefix = buf;
-			fallback = true;
-		} else {
-			prefix = NULL;
-		}
-		break;
-	default:
-		pr_warn("Unable to fill SPROM for given bustype.\n");
-		return -EINVAL;
-	}
-
-	nvram_read_u16(prefix, NULL, "boardvendor", &binfo->vendor, 0, true);
-	if (!binfo->vendor)
-		binfo->vendor = SSB_BOARDVENDOR_BCM;
-	nvram_read_u16(prefix, NULL, "boardtype", &binfo->type, 0, true);
-
-	bcm47xx_fill_sprom(out, prefix, fallback);
-
-	return 0;
-}
-#endif
-
-/*
- * On bcm47xx we need to register SPROM fallback handler very early, so we can't
- * use anything like platform device / driver for this.
- */
-void bcm47xx_sprom_register_fallbacks(void)
-{
-#if defined(CONFIG_BCM47XX_SSB)
-	if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb))
-		pr_warn("Failed to register ssb SPROM handler\n");
-#endif
-
-#if defined(CONFIG_BCM47XX_BCMA)
-	if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma))
-		pr_warn("Failed to register bcma SPROM handler\n");
-#endif
-}
diff --git a/arch/mips/bmips/Kconfig b/arch/mips/bmips/Kconfig
index e2c4fd682..264328d52 100644
--- a/arch/mips/bmips/Kconfig
+++ b/arch/mips/bmips/Kconfig
@@ -21,6 +21,10 @@ config DT_BCM93384WVG_VIPER
 	bool "BCM93384WVG Viper CPU (EXPERIMENTAL)"
 	select BUILTIN_DTB
 
+config DT_BCM96358NB4SER
+	bool "BCM96358NB4SER"
+	select BUILTIN_DTB
+
 config DT_BCM96368MVWG
 	bool "BCM96368MVWG"
 	select BUILTIN_DTB
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c
index 35535284b..f146d1219 100644
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -95,6 +95,15 @@ static void bcm6328_quirks(void)
 		bcm63xx_fixup_cpu1();
 }
 
+static void bcm6358_quirks(void)
+{
+	/*
+	 * BCM6358 needs special handling for its shared TLB, so
+	 * disable SMP for now
+	 */
+	bmips_smp_enabled = 0;
+}
+
 static void bcm6368_quirks(void)
 {
 	bcm63xx_fixup_cpu1();
@@ -104,13 +113,16 @@ static const struct bmips_quirk bmips_quirk_list[] = {
 	{ "brcm,bcm3384-viper",		&bcm3384_viper_quirks		},
 	{ "brcm,bcm33843-viper",	&bcm3384_viper_quirks		},
 	{ "brcm,bcm6328",		&bcm6328_quirks			},
+	{ "brcm,bcm6358",		&bcm6358_quirks			},
 	{ "brcm,bcm6368",		&bcm6368_quirks			},
 	{ "brcm,bcm63168",		&bcm6368_quirks			},
+	{ "brcm,bcm63268",		&bcm6368_quirks			},
 	{ },
 };
 
 void __init prom_init(void)
 {
+	bmips_cpu_setup();
 	register_bmips_smp_ops();
 }
 
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index 309d2ad67..90aca95fe 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -37,8 +37,13 @@ vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT)		   += $(obj)/dbg.o
 vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
 vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o
 vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY)		   += $(obj)/uart-alchemy.o
+vmlinuzobjs-$(CONFIG_ATH79)			   += $(obj)/uart-ath79.o
 endif
 
+extra-y += uart-ath79.c
+$(obj)/uart-ath79.c: $(srctree)/arch/mips/ath79/early_printk.c
+	$(call cmd,shipped)
+
 vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o $(obj)/bswapsi.o
 
 extra-y += ashldi3.c bswapsi.c
diff --git a/arch/mips/boot/dts/brcm/Makefile b/arch/mips/boot/dts/brcm/Makefile
index eabeb603e..fda9d387c 100644
--- a/arch/mips/boot/dts/brcm/Makefile
+++ b/arch/mips/boot/dts/brcm/Makefile
@@ -1,5 +1,6 @@
 dtb-$(CONFIG_DT_BCM93384WVG)		+= bcm93384wvg.dtb
 dtb-$(CONFIG_DT_BCM93384WVG_VIPER)	+= bcm93384wvg_viper.dtb
+dtb-$(CONFIG_DT_BCM96358NB4SER)		+= bcm96358nb4ser.dtb
 dtb-$(CONFIG_DT_BCM96368MVWG)		+= bcm96368mvwg.dtb
 dtb-$(CONFIG_DT_BCM9EJTAGPRB)		+= bcm9ejtagprb.dtb
 dtb-$(CONFIG_DT_BCM97125CBMB)		+= bcm97125cbmb.dtb
@@ -14,6 +15,7 @@ dtb-$(CONFIG_DT_BCM97435SVMB)		+= bcm97435svmb.dtb
 dtb-$(CONFIG_DT_NONE)			+= \
 						bcm93384wvg.dtb		\
 						bcm93384wvg_viper.dtb	\
+						bcm96358nb4ser.dtb	\
 						bcm96368mvwg.dtb	\
 						bcm9ejtagprb.dtb	\
 						bcm97125cbmb.dtb	\
diff --git a/arch/mips/boot/dts/brcm/bcm6328.dtsi b/arch/mips/boot/dts/brcm/bcm6328.dtsi
index 9d19236f5..5633b9d90 100644
--- a/arch/mips/boot/dts/brcm/bcm6328.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6328.dtsi
@@ -23,7 +23,7 @@
 	};
 
 	clocks {
-		periph_clk: periph_clk {
+		periph_clk: periph-clk {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
 			clock-frequency = <50000000>;
@@ -31,11 +31,11 @@
 	};
 
 	aliases {
-		leds0 = &leds0;
-		uart0 = &uart0;
+		serial0 = &uart0;
+		serial1 = &uart1;
 	};
 
-	cpu_intc: cpu_intc {
+	cpu_intc: interrupt-controller {
 		#address-cells = <0>;
 		compatible = "mti,cpu-interrupt-controller";
 
@@ -50,16 +50,16 @@
 		compatible = "simple-bus";
 		ranges;
 
-		periph_intc: periph_intc@10000020 {
-			compatible = "brcm,bcm3380-l2-intc";
-			reg = <0x10000024 0x4 0x1000002c 0x4>,
-			      <0x10000020 0x4 0x10000028 0x4>;
+		periph_intc: interrupt-controller@10000020 {
+			compatible = "brcm,bcm6345-l1-intc";
+			reg = <0x10000020 0x10>,
+			      <0x10000030 0x10>;
 
 			interrupt-controller;
 			#interrupt-cells = <1>;
 
 			interrupt-parent = <&cpu_intc>;
-			interrupts = <2>;
+			interrupts = <2>, <3>;
 		};
 
 		uart0: serial@10000100 {
@@ -71,13 +71,22 @@
 			status = "disabled";
 		};
 
-		timer: timer@10000040 {
+		uart1: serial@10000120 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x10000120 0x18>;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <39>;
+			clocks = <&periph_clk>;
+			status = "disabled";
+		};
+
+		timer: syscon@10000040 {
 			compatible = "syscon";
 			reg = <0x10000040 0x2c>;
 			native-endian;
 		};
 
-		reboot {
+		reboot: syscon-reboot@10000068 {
 			compatible = "syscon-reboot";
 			regmap = <&timer>;
 			offset = <0x28>;
@@ -91,5 +100,24 @@
 			reg = <0x10000800 0x24>;
 			status = "disabled";
 		};
+
+		ehci: usb@10002500 {
+			compatible = "brcm,bcm6328-ehci", "generic-ehci";
+			reg = <0x10002500 0x100>;
+			big-endian;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <42>;
+			status = "disabled";
+		};
+
+		ohci: usb@10002600 {
+			compatible = "brcm,bcm6328-ohci", "generic-ohci";
+			reg = <0x10002600 0x100>;
+			big-endian;
+			no-big-frame-no;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <41>;
+			status = "disabled";
+		};
 	};
 };
diff --git a/arch/mips/boot/dts/brcm/bcm6358.dtsi b/arch/mips/boot/dts/brcm/bcm6358.dtsi
new file mode 100644
index 000000000..f9d8d3921
--- /dev/null
+++ b/arch/mips/boot/dts/brcm/bcm6358.dtsi
@@ -0,0 +1,130 @@
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "brcm,bcm6358";
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		mips-hpt-frequency = <150000000>;
+
+		cpu@0 {
+			compatible = "brcm,bmips4350";
+			device_type = "cpu";
+			reg = <0>;
+		};
+
+		cpu@1 {
+			compatible = "brcm,bmips4350";
+			device_type = "cpu";
+			reg = <1>;
+		};
+	};
+
+	clocks {
+		periph_clk: periph-clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <50000000>;
+		};
+	};
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+	};
+
+	cpu_intc: interrupt-controller {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
+	ubus {
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		compatible = "simple-bus";
+		ranges;
+
+		periph_cntl: syscon@fffe0000 {
+			compatible = "syscon";
+			reg = <0xfffe0000 0xc>;
+			native-endian;
+		};
+
+		reboot: syscon-reboot@fffe0008 {
+			compatible = "syscon-reboot";
+			regmap = <&periph_cntl>;
+			offset = <0x8>;
+			mask = <0x1>;
+		};
+
+		periph_intc: interrupt-controller@fffe000c {
+			compatible = "brcm,bcm6345-l1-intc";
+			reg = <0xfffe000c 0x8>,
+			      <0xfffe0038 0x8>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <2>, <3>;
+		};
+
+		leds0: led-controller@fffe00d0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "brcm,bcm6358-leds";
+			reg = <0xfffe00d0 0x8>;
+
+			status = "disabled";
+		};
+
+		uart0: serial@fffe0100 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0xfffe0100 0x18>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <2>;
+
+			clocks = <&periph_clk>;
+
+			status = "disabled";
+		};
+
+		uart1: serial@fffe0120 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0xfffe0120 0x18>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <3>;
+
+			clocks = <&periph_clk>;
+
+			status = "disabled";
+		};
+
+		ehci: usb@fffe1300 {
+			compatible = "brcm,bcm6358-ehci", "generic-ehci";
+			reg = <0xfffe1300 0x100>;
+			big-endian;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <10>;
+			status = "disabled";
+		};
+
+		ohci: usb@fffe1400 {
+			compatible = "brcm,bcm6358-ohci", "generic-ohci";
+			reg = <0xfffe1400 0x100>;
+			big-endian;
+			no-big-frame-no;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <5>;
+			status = "disabled";
+		};
+	};
+};
diff --git a/arch/mips/boot/dts/brcm/bcm6368.dtsi b/arch/mips/boot/dts/brcm/bcm6368.dtsi
index 1f6b9b5cd..d0e3a70b3 100644
--- a/arch/mips/boot/dts/brcm/bcm6368.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6368.dtsi
@@ -20,11 +20,10 @@
 			device_type = "cpu";
 			reg = <1>;
 		};
-
 	};
 
 	clocks {
-		periph_clk: periph_clk {
+		periph_clk: periph-clk {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
 			clock-frequency = <50000000>;
@@ -32,11 +31,11 @@
 	};
 
 	aliases {
-		leds0 = &leds0;
-		uart0 = &uart0;
+		serial0 = &uart0;
+		serial1 = &uart1;
 	};
 
-	cpu_intc: cpu_intc {
+	cpu_intc: interrupt-controller {
 		#address-cells = <0>;
 		compatible = "mti,cpu-interrupt-controller";
 
@@ -64,16 +63,16 @@
 			mask = <0x1>;
 		};
 
-		periph_intc: periph_intc@10000020 {
-			compatible = "brcm,bcm3380-l2-intc";
-			reg = <0x10000024 0x4 0x1000002c 0x4>,
-			      <0x10000020 0x4 0x10000028 0x4>;
+		periph_intc: interrupt-controller@10000020 {
+			compatible = "brcm,bcm6345-l1-intc";
+			reg = <0x10000020 0x10>,
+			      <0x10000030 0x10>;
 
 			interrupt-controller;
 			#interrupt-cells = <1>;
 
 			interrupt-parent = <&cpu_intc>;
-			interrupts = <2>;
+			interrupts = <2>, <3>;
 		};
 
 		leds0: led-controller@100000d0 {
@@ -93,7 +92,16 @@
 			status = "disabled";
 		};
 
-		ehci0: usb@10001500 {
+		uart1: serial@10000120 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x10000120 0x18>;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <3>;
+			clocks = <&periph_clk>;
+			status = "disabled";
+		};
+
+		ehci: usb@10001500 {
 			compatible = "brcm,bcm6368-ehci", "generic-ehci";
 			reg = <0x10001500 0x100>;
 			big-endian;
@@ -102,7 +110,7 @@
 			status = "disabled";
 		};
 
-		ohci0: usb@10001600 {
+		ohci: usb@10001600 {
 			compatible = "brcm,bcm6368-ohci", "generic-ohci";
 			reg = <0x10001600 0x100>;
 			big-endian;
diff --git a/arch/mips/boot/dts/brcm/bcm7125.dtsi b/arch/mips/boot/dts/brcm/bcm7125.dtsi
index 3ae16053a..550e1d9e3 100644
--- a/arch/mips/boot/dts/brcm/bcm7125.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7125.dtsi
@@ -85,14 +85,15 @@
 			compatible = "brcm,bcm7120-l2-intc";
 			reg = <0x406780 0x8>;
 
-			brcm,int-map-mask = <0x44>;
+			brcm,int-map-mask = <0x44>, <0xf000000>;
 			brcm,int-fwd-mask = <0x70000>;
 
 			interrupt-controller;
 			#interrupt-cells = <1>;
 
 			interrupt-parent = <&periph_intc>;
-			interrupts = <18>;
+			interrupts = <18>, <19>;
+			interrupt-names = "upg_main", "upg_bsc";
 		};
 
 		sun_top_ctrl: syscon@404000 {
@@ -118,6 +119,70 @@
 			status = "disabled";
 		};
 
+		uart1: serial@406b40 {
+			compatible = "ns16550a";
+			reg = <0x406b40 0x20>;
+			reg-io-width = <0x4>;
+			reg-shift = <0x2>;
+			native-endian;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <64>;
+			clocks = <&uart_clk>;
+			status = "disabled";
+		};
+
+		uart2: serial@406b80 {
+			compatible = "ns16550a";
+			reg = <0x406b80 0x20>;
+			reg-io-width = <0x4>;
+			reg-shift = <0x2>;
+			native-endian;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <65>;
+			clocks = <&uart_clk>;
+			status = "disabled";
+		};
+
+		bsca: i2c@406200 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406200 0x58>;
+		      interrupts = <24>;
+		      interrupt-names = "upg_bsca";
+		      status = "disabled";
+		};
+
+		bscb: i2c@406280 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406280 0x58>;
+		      interrupts = <25>;
+		      interrupt-names = "upg_bscb";
+		      status = "disabled";
+		};
+
+		bscc: i2c@406300 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406300 0x58>;
+		      interrupts = <26>;
+		      interrupt-names = "upg_bscc";
+		      status = "disabled";
+		};
+
+		bscd: i2c@406380 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406380 0x58>;
+		      interrupts = <27>;
+		      interrupt-names = "upg_bscd";
+		      status = "disabled";
+		};
+
 		ehci0: usb@488300 {
 			compatible = "brcm,bcm7125-ehci", "generic-ehci";
 			reg = <0x488300 0x100>;
diff --git a/arch/mips/boot/dts/brcm/bcm7346.dtsi b/arch/mips/boot/dts/brcm/bcm7346.dtsi
index be7991917..ec959061d 100644
--- a/arch/mips/boot/dts/brcm/bcm7346.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7346.dtsi
@@ -24,8 +24,6 @@
 
 	aliases {
 		uart0 = &uart0;
-		uart1 = &uart1;
-		uart2 = &uart2;
 	};
 
 	cpu_intc: cpu_intc {
@@ -323,8 +321,6 @@
 			interrupts = <40>;
 			#address-cells = <1>;
 			#size-cells = <0>;
-			brcm,broken-ncq;
-			brcm,broken-phy;
 			status = "disabled";
 
 			sata0: sata-port@0 {
@@ -338,7 +334,7 @@
 			};
 		};
 
-		sata_phy: sata-phy@1800000 {
+		sata_phy: sata-phy@180100 {
 			compatible = "brcm,bcm7425-sata-phy", "brcm,phy-sata3";
 			reg = <0x180100 0x0eff>;
 			reg-names = "phy";
diff --git a/arch/mips/boot/dts/brcm/bcm7358.dtsi b/arch/mips/boot/dts/brcm/bcm7358.dtsi
index 060805be6..ca57fb5eb 100644
--- a/arch/mips/boot/dts/brcm/bcm7358.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7358.dtsi
@@ -18,8 +18,6 @@
 
 	aliases {
 		uart0 = &uart0;
-		uart1 = &uart1;
-		uart2 = &uart2;
 	};
 
 	cpu_intc: cpu_intc {
diff --git a/arch/mips/boot/dts/brcm/bcm7360.dtsi b/arch/mips/boot/dts/brcm/bcm7360.dtsi
index bcdb09bfe..1c0c3d438 100644
--- a/arch/mips/boot/dts/brcm/bcm7360.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7360.dtsi
@@ -18,8 +18,6 @@
 
 	aliases {
 		uart0 = &uart0;
-		uart1 = &uart1;
-		uart2 = &uart2;
 	};
 
 	cpu_intc: cpu_intc {
@@ -241,5 +239,45 @@
 			interrupts = <66>;
 			status = "disabled";
 		};
+
+		sata: sata@181000 {
+			compatible = "brcm,bcm7425-ahci", "brcm,sata3-ahci";
+			reg-names = "ahci", "top-ctrl";
+			reg = <0x181000 0xa9c>, <0x180020 0x1c>;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <86>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			sata0: sata-port@0 {
+				reg = <0>;
+				phys = <&sata_phy0>;
+			};
+
+			sata1: sata-port@1 {
+				reg = <1>;
+				phys = <&sata_phy1>;
+			};
+		};
+
+		sata_phy: sata-phy@180100 {
+			compatible = "brcm,bcm7425-sata-phy", "brcm,phy-sata3";
+			reg = <0x180100 0x0eff>;
+			reg-names = "phy";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			sata_phy0: sata-phy@0 {
+				reg = <0>;
+				#phy-cells = <0>;
+			};
+
+			sata_phy1: sata-phy@1 {
+				reg = <1>;
+				#phy-cells = <0>;
+			};
+		};
 	};
 };
diff --git a/arch/mips/boot/dts/brcm/bcm7362.dtsi b/arch/mips/boot/dts/brcm/bcm7362.dtsi
index d3b1b762e..6b4713add 100644
--- a/arch/mips/boot/dts/brcm/bcm7362.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7362.dtsi
@@ -24,8 +24,6 @@
 
 	aliases {
 		uart0 = &uart0;
-		uart1 = &uart1;
-		uart2 = &uart2;
 	};
 
 	cpu_intc: cpu_intc {
@@ -246,8 +244,6 @@
 			interrupts = <86>;
 			#address-cells = <1>;
 			#size-cells = <0>;
-			brcm,broken-ncq;
-			brcm,broken-phy;
 			status = "disabled";
 
 			sata0: sata-port@0 {
@@ -261,7 +257,7 @@
 			};
 		};
 
-		sata_phy: sata-phy@1800000 {
+		sata_phy: sata-phy@180100 {
 			compatible = "brcm,bcm7425-sata-phy", "brcm,phy-sata3";
 			reg = <0x180100 0x0eff>;
 			reg-names = "phy";
diff --git a/arch/mips/boot/dts/brcm/bcm7420.dtsi b/arch/mips/boot/dts/brcm/bcm7420.dtsi
index 3302a1b8a..0586bf662 100644
--- a/arch/mips/boot/dts/brcm/bcm7420.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7420.dtsi
@@ -86,14 +86,15 @@
 			compatible = "brcm,bcm7120-l2-intc";
 			reg = <0x406780 0x8>;
 
-			brcm,int-map-mask = <0x44>;
+			brcm,int-map-mask = <0x44>, <0x1f000000>;
 			brcm,int-fwd-mask = <0x70000>;
 
 			interrupt-controller;
 			#interrupt-cells = <1>;
 
 			interrupt-parent = <&periph_intc>;
-			interrupts = <18>;
+			interrupts = <18>, <19>;
+			interrupt-names = "upg_main", "upg_bsc";
 		};
 
 		sun_top_ctrl: syscon@404000 {
@@ -118,6 +119,78 @@
 			status = "disabled";
 		};
 
+		uart1: serial@406b40 {
+			compatible = "ns16550a";
+			reg = <0x406b40 0x20>;
+			reg-io-width = <0x4>;
+			reg-shift = <0x2>;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <64>;
+			clocks = <&uart_clk>;
+			status = "disabled";
+		};
+
+		uart2: serial@406b80 {
+			compatible = "ns16550a";
+			reg = <0x406b80 0x20>;
+			reg-io-width = <0x4>;
+			reg-shift = <0x2>;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <65>;
+			clocks = <&uart_clk>;
+			status = "disabled";
+		};
+
+		bsca: i2c@406200 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406200 0x58>;
+		      interrupts = <24>;
+		      interrupt-names = "upg_bsca";
+		      status = "disabled";
+		};
+
+		bscb: i2c@406280 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406280 0x58>;
+		      interrupts = <25>;
+		      interrupt-names = "upg_bscb";
+		      status = "disabled";
+		};
+
+		bscc: i2c@406300 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406300 0x58>;
+		      interrupts = <26>;
+		      interrupt-names = "upg_bscc";
+		      status = "disabled";
+		};
+
+		bscd: i2c@406380 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406380 0x58>;
+		      interrupts = <27>;
+		      interrupt-names = "upg_bscd";
+		      status = "disabled";
+		};
+
+		bsce: i2c@406800 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406800 0x58>;
+		      interrupts = <28>;
+		      interrupt-names = "upg_bsce";
+		      status = "disabled";
+		};
+
 		enet0: ethernet@468000 {
 			phy-mode = "internal";
 			phy-handle = <&phy1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7425.dtsi b/arch/mips/boot/dts/brcm/bcm7425.dtsi
index 15b27aae1..c1c15edaf 100644
--- a/arch/mips/boot/dts/brcm/bcm7425.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7425.dtsi
@@ -87,14 +87,32 @@
 			compatible = "brcm,bcm7120-l2-intc";
 			reg = <0x406780 0x8>;
 
-			brcm,int-map-mask = <0x44>;
+			brcm,int-map-mask = <0x44>, <0x7000000>;
 			brcm,int-fwd-mask = <0x70000>;
 
 			interrupt-controller;
 			#interrupt-cells = <1>;
 
 			interrupt-parent = <&periph_intc>;
-			interrupts = <55>;
+			interrupts = <55>, <53>;
+			interrupt-names = "upg_main", "upg_bsc";
+		};
+
+		upg_aon_irq0_intc: upg_aon_irq0_intc@409480 {
+			compatible = "brcm,bcm7120-l2-intc";
+			reg = <0x409480 0x8>;
+
+			brcm,int-map-mask = <0x40>, <0x18000000>, <0x100000>;
+			brcm,int-fwd-mask = <0>;
+			brcm,irq-can-wake;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <56>, <54>, <59>;
+			interrupt-names = "upg_main_aon", "upg_bsc_aon",
+					  "upg_spi";
 		};
 
 		sun_top_ctrl: syscon@404000 {
@@ -119,6 +137,78 @@
 			status = "disabled";
 		};
 
+		uart1: serial@406b40 {
+			compatible = "ns16550a";
+			reg = <0x406b40 0x20>;
+			reg-io-width = <0x4>;
+			reg-shift = <0x2>;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <62>;
+			clocks = <&uart_clk>;
+			status = "disabled";
+		};
+
+		uart2: serial@406b80 {
+			compatible = "ns16550a";
+			reg = <0x406b80 0x20>;
+			reg-io-width = <0x4>;
+			reg-shift = <0x2>;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <63>;
+			clocks = <&uart_clk>;
+			status = "disabled";
+		};
+
+		bsca: i2c@409180 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_aon_irq0_intc>;
+		      reg = <0x409180 0x58>;
+		      interrupts = <27>;
+		      interrupt-names = "upg_bsca";
+		      status = "disabled";
+		};
+
+		bscb: i2c@409400 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_aon_irq0_intc>;
+		      reg = <0x409400 0x58>;
+		      interrupts = <28>;
+		      interrupt-names = "upg_bscb";
+		      status = "disabled";
+		};
+
+		bscc: i2c@406200 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406200 0x58>;
+		      interrupts = <24>;
+		      interrupt-names = "upg_bscc";
+		      status = "disabled";
+		};
+
+		bscd: i2c@406280 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406280 0x58>;
+		      interrupts = <25>;
+		      interrupt-names = "upg_bscd";
+		      status = "disabled";
+		};
+
+		bsce: i2c@406300 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406300 0x58>;
+		      interrupts = <26>;
+		      interrupt-names = "upg_bsce";
+		      status = "disabled";
+		};
+
 		enet0: ethernet@b80000 {
 			phy-mode = "internal";
 			phy-handle = <&phy1>;
@@ -227,11 +317,9 @@
 			reg-names = "ahci", "top-ctrl";
 			reg = <0x181000 0xa9c>, <0x180020 0x1c>;
 			interrupt-parent = <&periph_intc>;
-			interrupts = <40>;
+			interrupts = <41>;
 			#address-cells = <1>;
 			#size-cells = <0>;
-			brcm,broken-ncq;
-			brcm,broken-phy;
 			status = "disabled";
 
 			sata0: sata-port@0 {
@@ -245,7 +333,7 @@
 			};
 		};
 
-		sata_phy: sata-phy@1800000 {
+		sata_phy: sata-phy@180100 {
 			compatible = "brcm,bcm7425-sata-phy", "brcm,phy-sata3";
 			reg = <0x180100 0x0eff>;
 			reg-names = "phy";
diff --git a/arch/mips/boot/dts/brcm/bcm7435.dtsi b/arch/mips/boot/dts/brcm/bcm7435.dtsi
index 56035e5b7..a874d3a0e 100644
--- a/arch/mips/boot/dts/brcm/bcm7435.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7435.dtsi
@@ -7,7 +7,7 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		mips-hpt-frequency = <163125000>;
+		mips-hpt-frequency = <175625000>;
 
 		cpu@0 {
 			compatible = "brcm,bmips5200";
@@ -63,13 +63,14 @@
 
 		periph_intc: periph_intc@41b500 {
 			compatible = "brcm,bcm7038-l1-intc";
-			reg = <0x41b500 0x40>, <0x41b600 0x40>;
+			reg = <0x41b500 0x40>, <0x41b600 0x40>,
+				<0x41b700 0x40>, <0x41b800 0x40>;
 
 			interrupt-controller;
 			#interrupt-cells = <1>;
 
 			interrupt-parent = <&cpu_intc>;
-			interrupts = <2>, <3>;
+			interrupts = <2>, <3>, <2>, <3>;
 		};
 
 		sun_l2_intc: sun_l2_intc@403000 {
@@ -101,14 +102,32 @@
 			compatible = "brcm,bcm7120-l2-intc";
 			reg = <0x406780 0x8>;
 
-			brcm,int-map-mask = <0x44>;
+			brcm,int-map-mask = <0x44>, <0x7000000>;
 			brcm,int-fwd-mask = <0x70000>;
 
 			interrupt-controller;
 			#interrupt-cells = <1>;
 
 			interrupt-parent = <&periph_intc>;
-			interrupts = <60>;
+			interrupts = <60>, <58>;
+			interrupt-names = "upg_main", "upg_bsc";
+		};
+
+		upg_aon_irq0_intc: upg_aon_irq0_intc@409480 {
+			compatible = "brcm,bcm7120-l2-intc";
+			reg = <0x409480 0x8>;
+
+			brcm,int-map-mask = <0x40>, <0x18000000>, <0x100000>;
+			brcm,int-fwd-mask = <0>;
+			brcm,irq-can-wake;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <61>, <59>, <64>;
+			interrupt-names = "upg_main_aon", "upg_bsc_aon",
+					  "upg_spi";
 		};
 
 		sun_top_ctrl: syscon@404000 {
@@ -133,6 +152,78 @@
 			status = "disabled";
 		};
 
+		uart1: serial@406b40 {
+			compatible = "ns16550a";
+			reg = <0x406b40 0x20>;
+			reg-io-width = <0x4>;
+			reg-shift = <0x2>;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <67>;
+			clocks = <&uart_clk>;
+			status = "disabled";
+		};
+
+		uart2: serial@406b80 {
+			compatible = "ns16550a";
+			reg = <0x406b80 0x20>;
+			reg-io-width = <0x4>;
+			reg-shift = <0x2>;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <68>;
+			clocks = <&uart_clk>;
+			status = "disabled";
+		};
+
+		bsca: i2c@406300 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406300 0x58>;
+		      interrupts = <26>;
+		      interrupt-names = "upg_bsca";
+		      status = "disabled";
+		};
+
+		bscb: i2c@409400 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_aon_irq0_intc>;
+		      reg = <0x409400 0x58>;
+		      interrupts = <28>;
+		      interrupt-names = "upg_bscb";
+		      status = "disabled";
+		};
+
+		bscc: i2c@406200 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406200 0x58>;
+		      interrupts = <24>;
+		      interrupt-names = "upg_bscc";
+		      status = "disabled";
+		};
+
+		bscd: i2c@406280 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_irq0_intc>;
+		      reg = <0x406280 0x58>;
+		      interrupts = <25>;
+		      interrupt-names = "upg_bscd";
+		      status = "disabled";
+		};
+
+		bsce: i2c@409180 {
+		      clock-frequency = <390000>;
+		      compatible = "brcm,brcmstb-i2c";
+		      interrupt-parent = <&upg_aon_irq0_intc>;
+		      reg = <0x409180 0x58>;
+		      interrupts = <27>;
+		      interrupt-names = "upg_bsce";
+		      status = "disabled";
+		};
+
 		enet0: ethernet@b80000 {
 			phy-mode = "internal";
 			phy-handle = <&phy1>;
@@ -235,5 +326,45 @@
 			interrupts = <78>;
 			status = "disabled";
 		};
+
+		sata: sata@181000 {
+			compatible = "brcm,bcm7425-ahci", "brcm,sata3-ahci";
+			reg-names = "ahci", "top-ctrl";
+			reg = <0x181000 0xa9c>, <0x180020 0x1c>;
+			interrupt-parent = <&periph_intc>;
+			interrupts = <45>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			sata0: sata-port@0 {
+				reg = <0>;
+				phys = <&sata_phy0>;
+			};
+
+			sata1: sata-port@1 {
+				reg = <1>;
+				phys = <&sata_phy1>;
+			};
+		};
+
+		sata_phy: sata-phy@180100 {
+			compatible = "brcm,bcm7425-sata-phy", "brcm,phy-sata3";
+			reg = <0x180100 0x0eff>;
+			reg-names = "phy";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			sata_phy0: sata-phy@0 {
+				reg = <0>;
+				#phy-cells = <0>;
+			};
+
+			sata_phy1: sata-phy@1 {
+				reg = <1>;
+				#phy-cells = <0>;
+			};
+		};
 	};
 };
diff --git a/arch/mips/boot/dts/brcm/bcm96358nb4ser.dts b/arch/mips/boot/dts/brcm/bcm96358nb4ser.dts
new file mode 100644
index 000000000..f41211797
--- /dev/null
+++ b/arch/mips/boot/dts/brcm/bcm96358nb4ser.dts
@@ -0,0 +1,46 @@
+/dts-v1/;
+
+/include/ "bcm6358.dtsi"
+
+/ {
+	compatible = "sfr,nb4-ser", "brcm,bcm6358";
+	model = "SFR Neufbox 4 (Sercomm)";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x00000000 0x02000000>;
+	};
+
+	chosen {
+		stdout-path = &uart0;
+	};
+};
+
+&leds0 {
+	status = "ok";
+
+	led@0 {
+		reg = <0>;
+		active-low;
+		label = "nb4-ser:white:alarm";
+	};
+	led@2 {
+		reg = <2>;
+		active-low;
+		label = "nb4-ser:white:tv";
+	};
+	led@3 {
+		reg = <3>;
+		active-low;
+		label = "nb4-ser:white:tel";
+	};
+	led@4 {
+		reg = <4>;
+		active-low;
+		label = "nb4-ser:white:adsl";
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
diff --git a/arch/mips/boot/dts/brcm/bcm96368mvwg.dts b/arch/mips/boot/dts/brcm/bcm96368mvwg.dts
index 0e890c28f..8c71c6845 100644
--- a/arch/mips/boot/dts/brcm/bcm96368mvwg.dts
+++ b/arch/mips/boot/dts/brcm/bcm96368mvwg.dts
@@ -22,10 +22,10 @@
 };
 
 /* FIXME: need to set up USB_CTRL registers first */
-&ehci0 {
+&ehci {
 	status = "disabled";
 };
 
-&ohci0 {
+&ohci {
 	status = "disabled";
 };
diff --git a/arch/mips/boot/dts/brcm/bcm97125cbmb.dts b/arch/mips/boot/dts/brcm/bcm97125cbmb.dts
index e046b1109..f2449d147 100644
--- a/arch/mips/boot/dts/brcm/bcm97125cbmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97125cbmb.dts
@@ -21,6 +21,30 @@
 	status = "okay";
 };
 
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&bsca {
+	status = "okay";
+};
+
+&bscb {
+	status = "okay";
+};
+
+&bscc {
+	status = "okay";
+};
+
+&bscd {
+	status = "okay";
+};
+
 /* FIXME: USB is wonky; disable it for now */
 &ehci0 {
 	status = "disabled";
diff --git a/arch/mips/boot/dts/brcm/bcm97360svmb.dts b/arch/mips/boot/dts/brcm/bcm97360svmb.dts
index d48462e09..73124be95 100644
--- a/arch/mips/boot/dts/brcm/bcm97360svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97360svmb.dts
@@ -56,3 +56,11 @@
 &ohci0 {
 	status = "okay";
 };
+
+&sata {
+	status = "okay";
+};
+
+&sata_phy {
+	status = "okay";
+};
diff --git a/arch/mips/boot/dts/brcm/bcm97420c.dts b/arch/mips/boot/dts/brcm/bcm97420c.dts
index 67fe1f3a3..600d57abe 100644
--- a/arch/mips/boot/dts/brcm/bcm97420c.dts
+++ b/arch/mips/boot/dts/brcm/bcm97420c.dts
@@ -23,6 +23,34 @@
 	status = "okay";
 };
 
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&bsca {
+	status = "okay";
+};
+
+&bscb {
+	status = "okay";
+};
+
+&bscc {
+	status = "okay";
+};
+
+&bscd {
+	status = "okay";
+};
+
+&bsce {
+	status = "okay";
+};
+
 /* FIXME: MAC driver comes up but cannot attach to PHY */
 &enet0 {
 	status = "disabled";
diff --git a/arch/mips/boot/dts/brcm/bcm97425svmb.dts b/arch/mips/boot/dts/brcm/bcm97425svmb.dts
index 689c68a4f..119c71480 100644
--- a/arch/mips/boot/dts/brcm/bcm97425svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97425svmb.dts
@@ -23,6 +23,34 @@
 	status = "okay";
 };
 
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&bsca {
+	status = "okay";
+};
+
+&bscb {
+	status = "okay";
+};
+
+&bscc {
+	status = "okay";
+};
+
+&bscd {
+	status = "okay";
+};
+
+&bsce {
+	status = "okay";
+};
+
 &enet0 {
 	status = "okay";
 };
diff --git a/arch/mips/boot/dts/brcm/bcm97435svmb.dts b/arch/mips/boot/dts/brcm/bcm97435svmb.dts
index 1df088183..43e3ba27f 100644
--- a/arch/mips/boot/dts/brcm/bcm97435svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97435svmb.dts
@@ -14,7 +14,7 @@
 	};
 
 	chosen {
-		bootargs = "console=ttyS0,115200 maxcpus=1";
+		bootargs = "console=ttyS0,115200";
 		stdout-path = &uart0;
 	};
 };
@@ -23,6 +23,34 @@
 	status = "okay";
 };
 
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&bsca {
+	status = "okay";
+};
+
+&bscb {
+	status = "okay";
+};
+
+&bscc {
+	status = "okay";
+};
+
+&bscd {
+	status = "okay";
+};
+
+&bsce {
+	status = "okay";
+};
+
 &enet0 {
 	status = "okay";
 };
@@ -58,3 +86,11 @@
 &ohci3 {
 	status = "okay";
 };
+
+&sata {
+	status = "okay";
+};
+
+&sata_phy {
+	status = "okay";
+};
diff --git a/arch/mips/boot/dts/cavium-octeon/dlink_dsr-1000n.dts b/arch/mips/boot/dts/cavium-octeon/dlink_dsr-1000n.dts
new file mode 100644
index 000000000..d6bc994f7
--- /dev/null
+++ b/arch/mips/boot/dts/cavium-octeon/dlink_dsr-1000n.dts
@@ -0,0 +1,78 @@
+/*
+ * Device tree source for D-Link DSR-1000N.
+ *
+ * Written by: Aaro Koskinen <aaro.koskinen@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/include/ "octeon_3xxx.dtsi"
+
+/ {
+	model = "dlink,dsr-1000n";
+
+	soc@0 {
+		smi0: mdio@1180000001800 {
+			phy8: ethernet-phy@8 {
+				reg = <8>;
+				compatible = "ethernet-phy-ieee802.3-c22";
+			};
+		};
+
+		pip: pip@11800a0000000 {
+			interface@0 {
+				ethernet@0 {
+					fixed-link {
+						speed = <1000>;
+						full-duplex;
+					};
+				};
+				ethernet@1 {
+					fixed-link {
+						speed = <1000>;
+						full-duplex;
+					};
+				};
+				ethernet@2 {
+					phy-handle = <&phy8>;
+				};
+			};
+		};
+
+		twsi0: i2c@1180000001000 {
+			rtc@68 {
+				compatible = "dallas,ds1337";
+				reg = <0x68>;
+			};
+		};
+
+		uart0: serial@1180000000800 {
+			clock-frequency = <500000000>;
+		};
+
+		usbn: usbn@1180068000000 {
+			refclk-frequency = <12000000>;
+			refclk-type = "crystal";
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		usb1 {
+			label = "usb1";
+			gpios = <&gpio 9 1>; /* Active low */
+		};
+
+		usb2 {
+			label = "usb2";
+			gpios = <&gpio 10 1>; /* Active low */
+		};
+	};
+
+	aliases {
+		pip = &pip;
+	};
+};
diff --git a/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts
index 9c48e0586..de61f02d3 100644
--- a/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts
+++ b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts
@@ -1,4 +1,3 @@
-/dts-v1/;
 /*
  * OCTEON 3XXX, 5XXX, 63XX device tree skeleton.
  *
@@ -6,56 +5,12 @@
  * use.	 Because of this, it contains a super-set of the available
  * devices and properties.
  */
-/ {
-	compatible = "cavium,octeon-3860";
-	#address-cells = <2>;
-	#size-cells = <2>;
-	interrupt-parent = <&ciu>;
-
-	soc@0 {
-		compatible = "simple-bus";
-		#address-cells = <2>;
-		#size-cells = <2>;
-		ranges; /* Direct mapping */
-
-		ciu: interrupt-controller@1070000000000 {
-			compatible = "cavium,octeon-3860-ciu";
-			interrupt-controller;
-			/* Interrupts are specified by two parts:
-			 * 1) Controller register (0 or 1)
-			 * 2) Bit within the register (0..63)
-			 */
-			#interrupt-cells = <2>;
-			reg = <0x10700 0x00000000 0x0 0x7000>;
-		};
 
-		gpio: gpio-controller@1070000000800 {
-			#gpio-cells = <2>;
-			compatible = "cavium,octeon-3860-gpio";
-			reg = <0x10700 0x00000800 0x0 0x100>;
-			gpio-controller;
-			/* Interrupts are specified by two parts:
-			 * 1) GPIO pin number (0..15)
-			 * 2) Triggering (1 - edge rising
-			 *		  2 - edge falling
-			 *		  4 - level active high
-			 *		  8 - level active low)
-			 */
-			interrupt-controller;
-			#interrupt-cells = <2>;
-			/* The GPIO pin connect to 16 consecutive CUI bits */
-			interrupts = <0 16>, <0 17>, <0 18>, <0 19>,
-				     <0 20>, <0 21>, <0 22>, <0 23>,
-				     <0 24>, <0 25>, <0 26>, <0 27>,
-				     <0 28>, <0 29>, <0 30>, <0 31>;
-		};
+/include/ "octeon_3xxx.dtsi"
 
+/ {
+	soc@0 {
 		smi0: mdio@1180000001800 {
-			compatible = "cavium,octeon-3860-mdio";
-			#address-cells = <1>;
-			#size-cells = <0>;
-			reg = <0x11800 0x00001800 0x0 0x40>;
-
 			phy0: ethernet-phy@0 {
 				compatible = "marvell,88e1118";
 				marvell,reg-init =
@@ -220,35 +175,16 @@
 		};
 
 		pip: pip@11800a0000000 {
-			compatible = "cavium,octeon-3860-pip";
-			#address-cells = <1>;
-			#size-cells = <0>;
-			reg = <0x11800 0xa0000000 0x0 0x2000>;
-
 			interface@0 {
-				compatible = "cavium,octeon-3860-pip-interface";
-				#address-cells = <1>;
-				#size-cells = <0>;
-				reg = <0>; /* interface */
-
 				ethernet@0 {
-					compatible = "cavium,octeon-3860-pip-port";
-					reg = <0x0>; /* Port */
-					local-mac-address = [ 00 00 00 00 00 00 ];
 					phy-handle = <&phy2>;
 					cavium,alt-phy-handle = <&phy100>;
 				};
 				ethernet@1 {
-					compatible = "cavium,octeon-3860-pip-port";
-					reg = <0x1>; /* Port */
-					local-mac-address = [ 00 00 00 00 00 00 ];
 					phy-handle = <&phy3>;
 					cavium,alt-phy-handle = <&phy101>;
 				};
 				ethernet@2 {
-					compatible = "cavium,octeon-3860-pip-port";
-					reg = <0x2>; /* Port */
-					local-mac-address = [ 00 00 00 00 00 00 ];
 					phy-handle = <&phy4>;
 					cavium,alt-phy-handle = <&phy102>;
 				};
@@ -322,11 +258,6 @@
 			};
 
 			interface@1 {
-				compatible = "cavium,octeon-3860-pip-interface";
-				#address-cells = <1>;
-				#size-cells = <0>;
-				reg = <1>; /* interface */
-
 				ethernet@0 {
 					compatible = "cavium,octeon-3860-pip-port";
 					reg = <0x0>; /* Port */
@@ -355,13 +286,6 @@
 		};
 
 		twsi0: i2c@1180000001000 {
-			#address-cells = <1>;
-			#size-cells = <0>;
-			compatible = "cavium,octeon-3860-twsi";
-			reg = <0x11800 0x00001000 0x0 0x200>;
-			interrupts = <0 45>;
-			clock-frequency = <100000>;
-
 			rtc@68 {
 				compatible = "dallas,ds1337";
 				reg = <0x68>;
@@ -381,15 +305,6 @@
 			clock-frequency = <100000>;
 		};
 
-		uart0: serial@1180000000800 {
-			compatible = "cavium,octeon-3860-uart","ns16550";
-			reg = <0x11800 0x00000800 0x0 0x400>;
-			clock-frequency = <0>;
-			current-speed = <115200>;
-			reg-shift = <3>;
-			interrupts = <0 34>;
-		};
-
 		uart1: serial@1180000000c00 {
 			compatible = "cavium,octeon-3860-uart","ns16550";
 			reg = <0x11800 0x00000c00 0x0 0x400>;
@@ -409,98 +324,6 @@
 		};
 
 		bootbus: bootbus@1180000000000 {
-			compatible = "cavium,octeon-3860-bootbus";
-			reg = <0x11800 0x00000000 0x0 0x200>;
-			/* The chip select number and offset */
-			#address-cells = <2>;
-			/* The size of the chip select region */
-			#size-cells = <1>;
-			ranges = <0 0  0x0 0x1f400000  0xc00000>,
-				 <1 0  0x10000 0x30000000  0>,
-				 <2 0  0x10000 0x40000000  0>,
-				 <3 0  0x10000 0x50000000  0>,
-				 <4 0  0x0 0x1d020000  0x10000>,
-				 <5 0  0x0 0x1d040000  0x10000>,
-				 <6 0  0x0 0x1d050000  0x10000>,
-				 <7 0  0x10000 0x90000000  0>;
-
-			cavium,cs-config@0 {
-				compatible = "cavium,octeon-3860-bootbus-config";
-				cavium,cs-index = <0>;
-				cavium,t-adr  = <20>;
-				cavium,t-ce   = <60>;
-				cavium,t-oe   = <60>;
-				cavium,t-we   = <45>;
-				cavium,t-rd-hld = <35>;
-				cavium,t-wr-hld = <45>;
-				cavium,t-pause	= <0>;
-				cavium,t-wait	= <0>;
-				cavium,t-page	= <35>;
-				cavium,t-rd-dly = <0>;
-
-				cavium,pages	 = <0>;
-				cavium,bus-width = <8>;
-			};
-			cavium,cs-config@4 {
-				compatible = "cavium,octeon-3860-bootbus-config";
-				cavium,cs-index = <4>;
-				cavium,t-adr  = <320>;
-				cavium,t-ce   = <320>;
-				cavium,t-oe   = <320>;
-				cavium,t-we   = <320>;
-				cavium,t-rd-hld = <320>;
-				cavium,t-wr-hld = <320>;
-				cavium,t-pause	= <320>;
-				cavium,t-wait	= <320>;
-				cavium,t-page	= <320>;
-				cavium,t-rd-dly = <0>;
-
-				cavium,pages	 = <0>;
-				cavium,bus-width = <8>;
-			};
-			cavium,cs-config@5 {
-				compatible = "cavium,octeon-3860-bootbus-config";
-				cavium,cs-index = <5>;
-				cavium,t-adr  = <5>;
-				cavium,t-ce   = <300>;
-				cavium,t-oe   = <125>;
-				cavium,t-we   = <150>;
-				cavium,t-rd-hld = <100>;
-				cavium,t-wr-hld = <30>;
-				cavium,t-pause	= <0>;
-				cavium,t-wait	= <30>;
-				cavium,t-page	= <320>;
-				cavium,t-rd-dly = <0>;
-
-				cavium,pages	 = <0>;
-				cavium,bus-width = <16>;
-			};
-			cavium,cs-config@6 {
-				compatible = "cavium,octeon-3860-bootbus-config";
-				cavium,cs-index = <6>;
-				cavium,t-adr  = <5>;
-				cavium,t-ce   = <300>;
-				cavium,t-oe   = <270>;
-				cavium,t-we   = <150>;
-				cavium,t-rd-hld = <100>;
-				cavium,t-wr-hld = <70>;
-				cavium,t-pause	= <0>;
-				cavium,t-wait	= <0>;
-				cavium,t-page	= <320>;
-				cavium,t-rd-dly = <0>;
-
-				cavium,pages	 = <0>;
-				cavium,wait-mode;
-				cavium,bus-width = <16>;
-			};
-
-			flash0: nor@0,0 {
-				compatible = "cfi-flash";
-				reg = <0 0 0x800000>;
-				#address-cells = <1>;
-				#size-cells = <1>;
-			};
-
 			led0: led-display@4,0 {
 				compatible = "avago,hdsp-253x";
 				reg = <4 0x20 0x20>, <4 0 0x20>;
@@ -515,17 +338,6 @@
 			};
 		};
 
-		dma0: dma-engine@1180000000100 {
-			compatible = "cavium,octeon-5750-bootbus-dma";
-			reg = <0x11800 0x00000100 0x0 0x8>;
-			interrupts = <0 63>;
-		};
-		dma1: dma-engine@1180000000108 {
-			compatible = "cavium,octeon-5750-bootbus-dma";
-			reg = <0x11800 0x00000108 0x0 0x8>;
-			interrupts = <0 63>;
-		};
-
 		uctl: uctl@118006f000000 {
 			compatible = "cavium,octeon-6335-uctl";
 			reg = <0x11800 0x6f000000 0x0 0x100>;
@@ -552,21 +364,10 @@
 		};
 
 		usbn: usbn@1180068000000 {
-			compatible = "cavium,octeon-5750-usbn";
-			reg = <0x11800 0x68000000 0x0 0x1000>;
-			ranges; /* Direct mapping */
-			#address-cells = <2>;
-			#size-cells = <2>;
 			/* 12MHz, 24MHz and 48MHz allowed */
 			refclk-frequency = <12000000>;
 			/* Either "crystal" or "external" */
 			refclk-type = "crystal";
-
-			usbc@16f0010000000 {
-				compatible = "cavium,octeon-5750-usbc";
-				reg = <0x16f00 0x10000000 0x0 0x80000>;
-				interrupts = <0 56>;
-			};
 		};
 	};
 
diff --git a/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dtsi b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dtsi
new file mode 100644
index 000000000..5302148e0
--- /dev/null
+++ b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dtsi
@@ -0,0 +1,231 @@
+/* OCTEON 3XXX DTS common parts. */
+
+/dts-v1/;
+
+/ {
+	compatible = "cavium,octeon-3860";
+	#address-cells = <2>;
+	#size-cells = <2>;
+	interrupt-parent = <&ciu>;
+
+	soc@0 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges; /* Direct mapping */
+
+		ciu: interrupt-controller@1070000000000 {
+			compatible = "cavium,octeon-3860-ciu";
+			interrupt-controller;
+			/* Interrupts are specified by two parts:
+			 * 1) Controller register (0 or 1)
+			 * 2) Bit within the register (0..63)
+			 */
+			#interrupt-cells = <2>;
+			reg = <0x10700 0x00000000 0x0 0x7000>;
+		};
+
+		gpio: gpio-controller@1070000000800 {
+			#gpio-cells = <2>;
+			compatible = "cavium,octeon-3860-gpio";
+			reg = <0x10700 0x00000800 0x0 0x100>;
+			gpio-controller;
+			/* Interrupts are specified by two parts:
+			 * 1) GPIO pin number (0..15)
+			 * 2) Triggering (1 - edge rising
+			 *		  2 - edge falling
+			 *		  4 - level active high
+			 *		  8 - level active low)
+			 */
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			/* The GPIO pin connect to 16 consecutive CUI bits */
+			interrupts = <0 16>, <0 17>, <0 18>, <0 19>,
+				     <0 20>, <0 21>, <0 22>, <0 23>,
+				     <0 24>, <0 25>, <0 26>, <0 27>,
+				     <0 28>, <0 29>, <0 30>, <0 31>;
+		};
+
+		smi0: mdio@1180000001800 {
+			compatible = "cavium,octeon-3860-mdio";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x11800 0x00001800 0x0 0x40>;
+		};
+
+		pip: pip@11800a0000000 {
+			compatible = "cavium,octeon-3860-pip";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x11800 0xa0000000 0x0 0x2000>;
+
+			interface@0 {
+				compatible = "cavium,octeon-3860-pip-interface";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <0>; /* interface */
+
+				ethernet@0 {
+					compatible = "cavium,octeon-3860-pip-port";
+					reg = <0x0>; /* Port */
+					local-mac-address = [ 00 00 00 00 00 00 ];
+				};
+				ethernet@1 {
+					compatible = "cavium,octeon-3860-pip-port";
+					reg = <0x1>; /* Port */
+					local-mac-address = [ 00 00 00 00 00 00 ];
+				};
+				ethernet@2 {
+					compatible = "cavium,octeon-3860-pip-port";
+					reg = <0x2>; /* Port */
+					local-mac-address = [ 00 00 00 00 00 00 ];
+				};
+			};
+
+			interface@1 {
+				compatible = "cavium,octeon-3860-pip-interface";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <1>; /* interface */
+			};
+		};
+
+		twsi0: i2c@1180000001000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "cavium,octeon-3860-twsi";
+			reg = <0x11800 0x00001000 0x0 0x200>;
+			interrupts = <0 45>;
+			clock-frequency = <100000>;
+		};
+
+		uart0: serial@1180000000800 {
+			compatible = "cavium,octeon-3860-uart","ns16550";
+			reg = <0x11800 0x00000800 0x0 0x400>;
+			clock-frequency = <0>;
+			current-speed = <115200>;
+			reg-shift = <3>;
+			interrupts = <0 34>;
+		};
+
+		bootbus: bootbus@1180000000000 {
+			compatible = "cavium,octeon-3860-bootbus";
+			reg = <0x11800 0x00000000 0x0 0x200>;
+			/* The chip select number and offset */
+			#address-cells = <2>;
+			/* The size of the chip select region */
+			#size-cells = <1>;
+			ranges = <0 0  0x0 0x1f400000  0xc00000>,
+				 <1 0  0x10000 0x30000000  0>,
+				 <2 0  0x10000 0x40000000  0>,
+				 <3 0  0x10000 0x50000000  0>,
+				 <4 0  0x0 0x1d020000  0x10000>,
+				 <5 0  0x0 0x1d040000  0x10000>,
+				 <6 0  0x0 0x1d050000  0x10000>,
+				 <7 0  0x10000 0x90000000  0>;
+
+			cavium,cs-config@0 {
+				compatible = "cavium,octeon-3860-bootbus-config";
+				cavium,cs-index = <0>;
+				cavium,t-adr  = <20>;
+				cavium,t-ce   = <60>;
+				cavium,t-oe   = <60>;
+				cavium,t-we   = <45>;
+				cavium,t-rd-hld = <35>;
+				cavium,t-wr-hld = <45>;
+				cavium,t-pause	= <0>;
+				cavium,t-wait	= <0>;
+				cavium,t-page	= <35>;
+				cavium,t-rd-dly = <0>;
+
+				cavium,pages	 = <0>;
+				cavium,bus-width = <8>;
+			};
+			cavium,cs-config@4 {
+				compatible = "cavium,octeon-3860-bootbus-config";
+				cavium,cs-index = <4>;
+				cavium,t-adr  = <320>;
+				cavium,t-ce   = <320>;
+				cavium,t-oe   = <320>;
+				cavium,t-we   = <320>;
+				cavium,t-rd-hld = <320>;
+				cavium,t-wr-hld = <320>;
+				cavium,t-pause	= <320>;
+				cavium,t-wait	= <320>;
+				cavium,t-page	= <320>;
+				cavium,t-rd-dly = <0>;
+
+				cavium,pages	 = <0>;
+				cavium,bus-width = <8>;
+			};
+			cavium,cs-config@5 {
+				compatible = "cavium,octeon-3860-bootbus-config";
+				cavium,cs-index = <5>;
+				cavium,t-adr  = <5>;
+				cavium,t-ce   = <300>;
+				cavium,t-oe   = <125>;
+				cavium,t-we   = <150>;
+				cavium,t-rd-hld = <100>;
+				cavium,t-wr-hld = <30>;
+				cavium,t-pause	= <0>;
+				cavium,t-wait	= <30>;
+				cavium,t-page	= <320>;
+				cavium,t-rd-dly = <0>;
+
+				cavium,pages	 = <0>;
+				cavium,bus-width = <16>;
+			};
+			cavium,cs-config@6 {
+				compatible = "cavium,octeon-3860-bootbus-config";
+				cavium,cs-index = <6>;
+				cavium,t-adr  = <5>;
+				cavium,t-ce   = <300>;
+				cavium,t-oe   = <270>;
+				cavium,t-we   = <150>;
+				cavium,t-rd-hld = <100>;
+				cavium,t-wr-hld = <70>;
+				cavium,t-pause	= <0>;
+				cavium,t-wait	= <0>;
+				cavium,t-page	= <320>;
+				cavium,t-rd-dly = <0>;
+
+				cavium,pages	 = <0>;
+				cavium,wait-mode;
+				cavium,bus-width = <16>;
+			};
+
+			flash0: nor@0,0 {
+				compatible = "cfi-flash";
+				reg = <0 0 0x800000>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+			};
+		};
+
+		dma0: dma-engine@1180000000100 {
+			compatible = "cavium,octeon-5750-bootbus-dma";
+			reg = <0x11800 0x00000100 0x0 0x8>;
+			interrupts = <0 63>;
+		};
+
+		dma1: dma-engine@1180000000108 {
+			compatible = "cavium,octeon-5750-bootbus-dma";
+			reg = <0x11800 0x00000108 0x0 0x8>;
+			interrupts = <0 63>;
+		};
+
+		usbn: usbn@1180068000000 {
+			compatible = "cavium,octeon-5750-usbn";
+			reg = <0x11800 0x68000000 0x0 0x1000>;
+			ranges; /* Direct mapping */
+			#address-cells = <2>;
+			#size-cells = <2>;
+
+			usbc@16f0010000000 {
+				compatible = "cavium,octeon-5750-usbc";
+				reg = <0x16f00 0x10000000 0x0 0x80000>;
+				interrupts = <0 56>;
+			};
+		};
+	};
+};
diff --git a/arch/mips/boot/dts/cavium-octeon/ubnt_e100.dts b/arch/mips/boot/dts/cavium-octeon/ubnt_e100.dts
new file mode 100644
index 000000000..243e5dc44
--- /dev/null
+++ b/arch/mips/boot/dts/cavium-octeon/ubnt_e100.dts
@@ -0,0 +1,59 @@
+/*
+ * Device tree source for EdgeRouter Lite.
+ *
+ * Written by: Aaro Koskinen <aaro.koskinen@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/include/ "octeon_3xxx.dtsi"
+
+/ {
+	model = "ubnt,e100";
+
+	soc@0 {
+		smi0: mdio@1180000001800 {
+			phy5: ethernet-phy@5 {
+				reg = <5>;
+				compatible = "ethernet-phy-ieee802.3-c22";
+			};
+			phy6: ethernet-phy@6 {
+				reg = <6>;
+				compatible = "ethernet-phy-ieee802.3-c22";
+			};
+			phy7: ethernet-phy@7 {
+				reg = <7>;
+				compatible = "ethernet-phy-ieee802.3-c22";
+			};
+		};
+
+		pip: pip@11800a0000000 {
+			interface@0 {
+				ethernet@0 {
+					phy-handle = <&phy7>;
+				};
+				ethernet@1 {
+					phy-handle = <&phy6>;
+				};
+				ethernet@2 {
+					phy-handle = <&phy5>;
+				};
+			};
+		};
+
+		uart0: serial@1180000000800 {
+			clock-frequency = <500000000>;
+		};
+
+		usbn: usbn@1180068000000 {
+			refclk-frequency = <12000000>;
+			refclk-type = "crystal";
+		};
+	};
+
+	aliases {
+		pip = &pip;
+	};
+};
diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi
index 8b2437cd0..f6ae6ed9c 100644
--- a/arch/mips/boot/dts/ingenic/jz4740.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi
@@ -5,7 +5,7 @@
 	#size-cells = <1>;
 	compatible = "ingenic,jz4740";
 
-	cpuintc: interrupt-controller@0 {
+	cpuintc: interrupt-controller {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
@@ -65,4 +65,18 @@
 		clocks = <&ext>, <&cgu JZ4740_CLK_UART1>;
 		clock-names = "baud", "module";
 	};
+
+	uhc: uhc@13030000 {
+		compatible = "ingenic,jz4740-ohci", "generic-ohci";
+		reg = <0x13030000 0x1000>;
+
+		clocks = <&cgu JZ4740_CLK_UHC>;
+		assigned-clocks = <&cgu JZ4740_CLK_UHC>;
+		assigned-clock-rates = <48000000>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <3>;
+
+		status = "disabled";
+	};
 };
diff --git a/arch/mips/boot/dts/lantiq/easy50712.dts b/arch/mips/boot/dts/lantiq/easy50712.dts
index 143b8a37b..b59962585 100644
--- a/arch/mips/boot/dts/lantiq/easy50712.dts
+++ b/arch/mips/boot/dts/lantiq/easy50712.dts
@@ -52,7 +52,7 @@
 		};
 
 		gpio: pinmux@E100B10 {
-			compatible = "lantiq,pinctrl-xway";
+			compatible = "lantiq,danube-pinctrl";
 			pinctrl-names = "default";
 			pinctrl-0 = <&state_default>;
 
diff --git a/arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi b/arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi
deleted file mode 100644
index ef1335012..000000000
--- a/arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- * Device Tree Source for PIC32MZDA clock data
- *
- * Purna Chandra Mandal <purna.mandal@microchip.com>
- * Copyright (C) 2015 Microchip Technology Inc.  All rights reserved.
- *
- * Licensed under GPLv2 or later.
- */
-
-/* all fixed rate clocks */
-
-/ {
-	POSC:posc_clk { /* On-chip primary oscillator */
-		#clock-cells = <0>;
-		compatible = "fixed-clock";
-		clock-frequency = <24000000>;
-	};
-
-	FRC:frc_clk { /* internal FRC oscillator */
-		#clock-cells = <0>;
-		compatible = "fixed-clock";
-		clock-frequency = <8000000>;
-	};
-
-	BFRC:bfrc_clk { /* internal backup FRC oscillator */
-		#clock-cells = <0>;
-		compatible = "fixed-clock";
-		clock-frequency = <8000000>;
-	};
-
-	LPRC:lprc_clk { /* internal low-power FRC oscillator */
-		#clock-cells = <0>;
-		compatible = "fixed-clock";
-		clock-frequency = <32000>;
-	};
-
-	/* UPLL provides clock to USBCORE */
-	UPLL:usb_phy_clk {
-		#clock-cells = <0>;
-		compatible = "fixed-clock";
-		clock-frequency = <24000000>;
-		clock-output-names = "usbphy_clk";
-	};
-
-	TxCKI:txcki_clk { /* external clock input on TxCLKI pin */
-		#clock-cells = <0>;
-		compatible = "fixed-clock";
-		clock-frequency = <4000000>;
-		status = "disabled";
-	};
-
-	/* external clock input on REFCLKIx pin */
-	REFIx:refix_clk {
-		#clock-cells = <0>;
-		compatible = "fixed-clock";
-		clock-frequency = <24000000>;
-		status = "disabled";
-	};
-
-	/* PIC32 specific clks */
-	pic32_clktree {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		reg = <0x1f801200 0x200>;
-		compatible = "microchip,pic32mzda-clk";
-		ranges = <0 0x1f801200 0x200>;
-
-		/* secondary oscillator; external input on SOSCI pin */
-		SOSC:sosc_clk@0 {
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-sosc";
-			clock-frequency = <32768>;
-			reg = <0x000 0x10>,   /* enable reg */
-			      <0x1d0 0x10>; /* status reg */
-			microchip,bit-mask = <0x02>; /* enable mask */
-			microchip,status-bit-mask = <0x10>; /* status-mask*/
-		};
-
-		FRCDIV:frcdiv_clk {
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-frcdivclk";
-			clocks = <&FRC>;
-			clock-output-names = "frcdiv_clk";
-		};
-
-		/* System PLL clock */
-		SYSPLL:spll_clk@020 {
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-syspll";
-			reg = <0x020 0x10>, /* SPLL register */
-			      <0x1d0 0x10>; /* CLKSTAT register */
-			clocks = <&POSC>, <&FRC>;
-			clock-output-names = "sys_pll";
-			microchip,status-bit-mask = <0x80>; /* SPLLRDY */
-		};
-
-		/* system clock; mux with postdiv & slew */
-		SYSCLK:sys_clk@1c0 {
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-sysclk-v2";
-			reg = <0x1c0 0x04>; /* SLEWCON */
-			clocks = <&FRCDIV>, <&SYSPLL>, <&POSC>, <&SOSC>,
-				 <&LPRC>, <&FRCDIV>;
-			microchip,clock-indices = <0>, <1>, <2>, <4>,
-						  <5>, <7>;
-			clock-output-names = "sys_clk";
-		};
-
-		/* Peripheral bus1 clock */
-		PBCLK1:pb1_clk@140 {
-			reg = <0x140 0x10>;
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-pbclk";
-			clocks = <&SYSCLK>;
-			clock-output-names = "pb1_clk";
-			/* used by system modules, not gateable */
-			microchip,ignore-unused;
-		};
-
-		/* Peripheral bus2 clock */
-		PBCLK2:pb2_clk@150 {
-			reg = <0x150 0x10>;
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-pbclk";
-			clocks = <&SYSCLK>;
-			clock-output-names = "pb2_clk";
-			/* avoid gating even if unused */
-			microchip,ignore-unused;
-		};
-
-		/* Peripheral bus3 clock */
-		PBCLK3:pb3_clk@160 {
-			reg = <0x160 0x10>;
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-pbclk";
-			clocks = <&SYSCLK>;
-			clock-output-names = "pb3_clk";
-		};
-
-		/* Peripheral bus4 clock(I/O ports, GPIO) */
-		PBCLK4:pb4_clk@170 {
-			reg = <0x170 0x10>;
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-pbclk";
-			clocks = <&SYSCLK>;
-			clock-output-names = "pb4_clk";
-		};
-
-		/* Peripheral bus clock */
-		PBCLK5:pb5_clk@180 {
-			reg = <0x180 0x10>;
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-pbclk";
-			clocks = <&SYSCLK>;
-			clock-output-names = "pb5_clk";
-		};
-
-		/* Peripheral Bus6 clock; */
-		PBCLK6:pb6_clk@190 {
-			reg = <0x190 0x10>;
-			compatible = "microchip,pic32mzda-pbclk";
-			clocks = <&SYSCLK>;
-			#clock-cells = <0>;
-		};
-
-		/* Peripheral bus7 clock */
-		PBCLK7:pb7_clk@1a0 {
-			reg = <0x1a0 0x10>;
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-pbclk";
-			/* CPU is driven by this clock; so named */
-			clock-output-names = "cpu_clk";
-			clocks = <&SYSCLK>;
-		};
-
-		/* Reference Oscillator clock for SPI/I2S */
-		REFCLKO1:refo1_clk@80 {
-			reg = <0x080 0x20>;
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-refoclk";
-			clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>,
-				 <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>;
-			microchip,clock-indices = <0>, <1>, <2>, <3>, <4>,
-						  <5>, <7>, <8>, <9>;
-			clock-output-names = "refo1_clk";
-		};
-
-		/* Reference Oscillator clock for SQI */
-		REFCLKO2:refo2_clk@a0 {
-			reg = <0x0a0 0x20>;
-			#clock-cells = <0>;
-			compatible = "microchip,pic32mzda-refoclk";
-			clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>,
-				 <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>;
-			microchip,clock-indices = <0>, <1>, <2>, <3>, <4>,
-						  <5>, <7>, <8>, <9>;
-			clock-output-names = "refo2_clk";
-		};
-
-		/* Reference Oscillator clock, ADC */
-		REFCLKO3:refo3_clk@c0 {
-			reg = <0x0c0 0x20>;
-			compatible = "microchip,pic32mzda-refoclk";
-			clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>,
-				 <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>;
-			microchip,clock-indices = <0>, <1>, <2>, <3>, <4>,
-						  <5>, <7>, <8>, <9>;
-			#clock-cells = <0>;
-			clock-output-names = "refo3_clk";
-		};
-
-		/* Reference Oscillator clock */
-		REFCLKO4:refo4_clk@e0 {
-			reg = <0x0e0 0x20>;
-			compatible = "microchip,pic32mzda-refoclk";
-			clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>,
-				 <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>;
-			microchip,clock-indices = <0>, <1>, <2>, <3>, <4>,
-						  <5>, <7>, <8>, <9>;
-			#clock-cells = <0>;
-			clock-output-names = "refo4_clk";
-		};
-
-		/* Reference Oscillator clock, LCD */
-		REFCLKO5:refo5_clk@100 {
-			reg = <0x100 0x20>;
-			compatible = "microchip,pic32mzda-refoclk";
-			clocks = <&SYSCLK>,<&PBCLK1>,<&POSC>,<&FRC>,<&LPRC>,
-				 <&SOSC>,<&SYSPLL>,<&REFIx>,<&BFRC>;
-			microchip,clock-indices = <0>, <1>, <2>, <3>, <4>,
-						  <5>, <7>, <8>, <9>;
-			#clock-cells = <0>;
-			clock-output-names = "refo5_clk";
-		};
-	};
-};
diff --git a/arch/mips/boot/dts/pic32/pic32mzda.dtsi b/arch/mips/boot/dts/pic32/pic32mzda.dtsi
index ad9e3318c..5353a639c 100644
--- a/arch/mips/boot/dts/pic32/pic32mzda.dtsi
+++ b/arch/mips/boot/dts/pic32/pic32mzda.dtsi
@@ -6,11 +6,9 @@
  * published by the Free Software Foundation.
  *
  */
-
+#include <dt-bindings/clock/microchip,pic32-clock.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 
-#include "pic32mzda-clk.dtsi"
-
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
@@ -50,6 +48,29 @@
 		interrupts = <0 IRQ_TYPE_EDGE_RISING>;
 	};
 
+	/* external clock input on TxCLKI pin */
+	txcki: txcki_clk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <4000000>;
+		status = "disabled";
+	};
+
+	/* external input on REFCLKIx pin */
+	refix: refix_clk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <24000000>;
+		status = "disabled";
+	};
+
+	rootclk: clock-controller@1f801200 {
+		compatible = "microchip,pic32mzda-clk";
+		reg = <0x1f801200 0x200>;
+		#clock-cells = <1>;
+		microchip,pic32mzda-sosc;
+	};
+
 	evic: interrupt-controller@1f810000 {
 		compatible = "microchip,pic32mzda-evic";
 		interrupt-controller;
@@ -63,7 +84,7 @@
 		#size-cells = <1>;
 		compatible = "microchip,pic32mzda-pinctrl";
 		reg = <0x1f801400 0x400>;
-		clocks = <&PBCLK1>;
+		clocks = <&rootclk PB1CLK>;
 	};
 
 	/* PORTA */
@@ -75,7 +96,7 @@
 		gpio-controller;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		clocks = <&PBCLK4>;
+		clocks = <&rootclk PB4CLK>;
 		microchip,gpio-bank = <0>;
 		gpio-ranges = <&pic32_pinctrl 0 0 16>;
 	};
@@ -89,7 +110,7 @@
 		gpio-controller;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		clocks = <&PBCLK4>;
+		clocks = <&rootclk PB4CLK>;
 		microchip,gpio-bank = <1>;
 		gpio-ranges = <&pic32_pinctrl 0 16 16>;
 	};
@@ -103,7 +124,7 @@
 		gpio-controller;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		clocks = <&PBCLK4>;
+		clocks = <&rootclk PB4CLK>;
 		microchip,gpio-bank = <2>;
 		gpio-ranges = <&pic32_pinctrl 0 32 16>;
 	};
@@ -117,7 +138,7 @@
 		gpio-controller;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		clocks = <&PBCLK4>;
+		clocks = <&rootclk PB4CLK>;
 		microchip,gpio-bank = <3>;
 		gpio-ranges = <&pic32_pinctrl 0 48 16>;
 	};
@@ -131,7 +152,7 @@
 		gpio-controller;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		clocks = <&PBCLK4>;
+		clocks = <&rootclk PB4CLK>;
 		microchip,gpio-bank = <4>;
 		gpio-ranges = <&pic32_pinctrl 0 64 16>;
 	};
@@ -145,7 +166,7 @@
 		gpio-controller;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		clocks = <&PBCLK4>;
+		clocks = <&rootclk PB4CLK>;
 		microchip,gpio-bank = <5>;
 		gpio-ranges = <&pic32_pinctrl 0 80 16>;
 	};
@@ -159,7 +180,7 @@
 		gpio-controller;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		clocks = <&PBCLK4>;
+		clocks = <&rootclk PB4CLK>;
 		microchip,gpio-bank = <6>;
 		gpio-ranges = <&pic32_pinctrl 0 96 16>;
 	};
@@ -173,7 +194,7 @@
 		gpio-controller;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		clocks = <&PBCLK4>;
+		clocks = <&rootclk PB4CLK>;
 		microchip,gpio-bank = <7>;
 		gpio-ranges = <&pic32_pinctrl 0 112 16>;
 	};
@@ -189,7 +210,7 @@
 		gpio-controller;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		clocks = <&PBCLK4>;
+		clocks = <&rootclk PB4CLK>;
 		microchip,gpio-bank = <8>;
 		gpio-ranges = <&pic32_pinctrl 0 128 16>;
 	};
@@ -203,7 +224,7 @@
 		gpio-controller;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		clocks = <&PBCLK4>;
+		clocks = <&rootclk PB4CLK>;
 		microchip,gpio-bank = <9>;
 		gpio-ranges = <&pic32_pinctrl 0 144 16>;
 	};
@@ -212,7 +233,7 @@
 		compatible = "microchip,pic32mzda-sdhci";
 		reg = <0x1f8ec000 0x100>;
 		interrupts = <191 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&REFCLKO4>, <&PBCLK5>;
+		clocks = <&rootclk REF4CLK>, <&rootclk PB5CLK>;
 		clock-names = "base_clk", "sys_clk";
 		bus-width = <4>;
 		cap-sd-highspeed;
@@ -225,7 +246,7 @@
 		interrupts = <112 IRQ_TYPE_LEVEL_HIGH>,
 			<113 IRQ_TYPE_LEVEL_HIGH>,
 			<114 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&PBCLK2>;
+		clocks = <&rootclk PB2CLK>;
 		status = "disabled";
 	};
 
@@ -235,7 +256,7 @@
 		interrupts = <145 IRQ_TYPE_LEVEL_HIGH>,
 			<146 IRQ_TYPE_LEVEL_HIGH>,
 			<147 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&PBCLK2>;
+		clocks = <&rootclk PB2CLK>;
 		status = "disabled";
 	};
 
@@ -245,7 +266,7 @@
 		interrupts = <157 IRQ_TYPE_LEVEL_HIGH>,
 			<158 IRQ_TYPE_LEVEL_HIGH>,
 			<159 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&PBCLK2>;
+		clocks = <&rootclk PB2CLK>;
 		status = "disabled";
 	};
 
@@ -255,7 +276,7 @@
 		interrupts = <170 IRQ_TYPE_LEVEL_HIGH>,
 			<171 IRQ_TYPE_LEVEL_HIGH>,
 			<172 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&PBCLK2>;
+		clocks = <&rootclk PB2CLK>;
 		status = "disabled";
 	};
 
@@ -265,7 +286,7 @@
 		interrupts = <179 IRQ_TYPE_LEVEL_HIGH>,
 			<180 IRQ_TYPE_LEVEL_HIGH>,
 			<181 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&PBCLK2>;
+		clocks = <&rootclk PB2CLK>;
 		status = "disabled";
 	};
 
@@ -275,7 +296,7 @@
 		interrupts = <188 IRQ_TYPE_LEVEL_HIGH>,
 			<189 IRQ_TYPE_LEVEL_HIGH>,
 			<190 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&PBCLK2>;
+		clocks = <&rootclk PB2CLK>;
 		status = "disabled";
 	};
 };
diff --git a/arch/mips/boot/dts/pic32/pic32mzda_sk.dts b/arch/mips/boot/dts/pic32/pic32mzda_sk.dts
index 5d434a50e..fc7401028 100644
--- a/arch/mips/boot/dts/pic32/pic32mzda_sk.dts
+++ b/arch/mips/boot/dts/pic32/pic32mzda_sk.dts
@@ -95,8 +95,9 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sdhc1>;
 	status = "okay";
-	assigned-clocks = <&REFCLKO2>,<&REFCLKO4>,<&REFCLKO5>;
-	assigned-clock-rates = <50000000>,<25000000>,<40000000>;
+	assigned-clocks = <&rootclk REF2CLK>, <&rootclk REF4CLK>,
+		<&rootclk REF5CLK>;
+	assigned-clock-rates = <50000000>, <25000000>, <40000000>;
 };
 
 &pic32_pinctrl {
diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile
index 2d61455d5..63a9ddf04 100644
--- a/arch/mips/boot/dts/qca/Makefile
+++ b/arch/mips/boot/dts/qca/Makefile
@@ -1,8 +1,9 @@
 # All DTBs
 dtb-$(CONFIG_ATH79)			+= ar9132_tl_wr1043nd_v1.dtb
-
-# Select a DTB to build in the kernel
-obj-$(CONFIG_DTB_TL_WR1043ND_V1)	+= ar9132_tl_wr1043nd_v1.dtb.o
+dtb-$(CONFIG_ATH79)			+= ar9331_dpt_module.dtb
+dtb-$(CONFIG_ATH79)			+= ar9331_dragino_ms14.dtb
+dtb-$(CONFIG_ATH79)			+= ar9331_omega.dtb
+dtb-$(CONFIG_ATH79)			+= ar9331_tl_mr3020.dtb
 
 # Force kbuild to make empty built-in.o if necessary
 obj-				+= dummy.o
diff --git a/arch/mips/boot/dts/qca/ar9132.dtsi b/arch/mips/boot/dts/qca/ar9132.dtsi
index 3c2ed9ee5..302f0a8d2 100644
--- a/arch/mips/boot/dts/qca/ar9132.dtsi
+++ b/arch/mips/boot/dts/qca/ar9132.dtsi
@@ -1,3 +1,5 @@
+#include <dt-bindings/clock/ath79-clk.h>
+
 / {
 	compatible = "qca,ar9132";
 
@@ -11,6 +13,7 @@
 		cpu@0 {
 			device_type = "cpu";
 			compatible = "mips,mips24Kc";
+			clocks = <&pll ATH79_CLK_CPU>;
 			reg = <0>;
 		};
 	};
@@ -52,12 +55,12 @@
 				#qca,ddr-wb-channel-cells = <1>;
 			};
 
-			uart@18020000 {
+			uart: uart@18020000 {
 				compatible = "ns8250";
 				reg = <0x18020000 0x20>;
 				interrupts = <3>;
 
-				clocks = <&pll 2>;
+				clocks = <&pll ATH79_CLK_AHB>;
 				clock-names = "uart";
 
 				reg-io-width = <4>;
@@ -94,13 +97,13 @@
 				clock-output-names = "cpu", "ddr", "ahb";
 			};
 
-			wdt@18060008 {
+			wdt: wdt@18060008 {
 				compatible = "qca,ar7130-wdt";
 				reg = <0x18060008 0x8>;
 
 				interrupts = <4>;
 
-				clocks = <&pll 2>;
+				clocks = <&pll ATH79_CLK_AHB>;
 				clock-names = "wdt";
 			};
 
@@ -125,7 +128,7 @@
 			};
 		};
 
-		usb@1b000100 {
+		usb: usb@1b000100 {
 			compatible = "qca,ar7100-ehci", "generic-ehci";
 			reg = <0x1b000100 0x100>;
 
@@ -140,11 +143,11 @@
 			status = "disabled";
 		};
 
-		spi@1f000000 {
+		spi: spi@1f000000 {
 			compatible = "qca,ar9132-spi", "qca,ar7100-spi";
 			reg = <0x1f000000 0x10>;
 
-			clocks = <&pll 2>;
+			clocks = <&pll ATH79_CLK_AHB>;
 			clock-names = "ahb";
 
 			status = "disabled";
diff --git a/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
index 4f1540e5f..3c3b7ce57 100644
--- a/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
+++ b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
@@ -9,10 +9,6 @@
 	compatible = "tplink,tl-wr1043nd-v1", "qca,ar9132";
 	model = "TP-Link TL-WR1043ND Version 1";
 
-	alias {
-		serial0 = "/ahb/apb/uart@18020000";
-	};
-
 	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0x2000000>;
@@ -24,55 +20,6 @@
 		clock-frequency = <40000000>;
 	};
 
-	ahb {
-		apb {
-			uart@18020000 {
-				status = "okay";
-			};
-
-			pll-controller@18050000 {
-				clocks = <&extosc>;
-			};
-		};
-
-		usb@1b000100 {
-			status = "okay";
-		};
-
-		spi@1f000000 {
-			status = "okay";
-			num-cs = <1>;
-
-			flash@0 {
-				#address-cells = <1>;
-				#size-cells = <1>;
-				compatible = "s25sl064a";
-				reg = <0>;
-				spi-max-frequency = <25000000>;
-
-				partition@0 {
-					label = "u-boot";
-					reg = <0x000000 0x020000>;
-				};
-
-				partition@1 {
-					label = "firmware";
-					reg = <0x020000 0x7D0000>;
-				};
-
-				partition@2 {
-					label = "art";
-					reg = <0x7F0000 0x010000>;
-					read-only;
-				};
-			};
-		};
-	};
-
-	usb-phy {
-		status = "okay";
-	};
-
 	gpio-keys {
 		compatible = "gpio-keys-polled";
 		#address-cells = <1>;
@@ -118,3 +65,48 @@
 		};
 	};
 };
+
+&uart {
+	status = "okay";
+};
+
+&pll {
+	clocks = <&extosc>;
+};
+
+&usb {
+	status = "okay";
+};
+
+&usb_phy {
+	status = "okay";
+};
+
+&spi {
+	status = "okay";
+	num-cs = <1>;
+
+	flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "s25sl064a";
+		reg = <0>;
+		spi-max-frequency = <25000000>;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x000000 0x020000>;
+		};
+
+		partition@1 {
+			label = "firmware";
+			reg = <0x020000 0x7D0000>;
+		};
+
+		partition@2 {
+			label = "art";
+			reg = <0x7F0000 0x010000>;
+			read-only;
+		};
+	};
+};
diff --git a/arch/mips/boot/dts/qca/ar9331.dtsi b/arch/mips/boot/dts/qca/ar9331.dtsi
new file mode 100644
index 000000000..cf47ed4d8
--- /dev/null
+++ b/arch/mips/boot/dts/qca/ar9331.dtsi
@@ -0,0 +1,155 @@
+#include <dt-bindings/clock/ath79-clk.h>
+
+/ {
+	compatible = "qca,ar9331";
+
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "mips,mips24Kc";
+			clocks = <&pll ATH79_CLK_CPU>;
+			reg = <0>;
+		};
+	};
+
+	cpuintc: interrupt-controller {
+		compatible = "qca,ar7100-cpu-intc";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+
+		qca,ddr-wb-channel-interrupts = <2>, <3>;
+		qca,ddr-wb-channels = <&ddr_ctrl 3>, <&ddr_ctrl 2>;
+	};
+
+	ref: ref {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+	};
+
+	ahb {
+		compatible = "simple-bus";
+		ranges;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		interrupt-parent = <&cpuintc>;
+
+		apb {
+			compatible = "simple-bus";
+			ranges;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			interrupt-parent = <&miscintc>;
+
+			ddr_ctrl: memory-controller@18000000 {
+				compatible = "qca,ar7240-ddr-controller";
+				reg = <0x18000000 0x100>;
+
+				#qca,ddr-wb-channel-cells = <1>;
+			};
+
+			uart: uart@18020000 {
+				compatible = "qca,ar9330-uart";
+				reg = <0x18020000 0x14>;
+
+				interrupts = <3>;
+
+				clocks = <&ref>;
+				clock-names = "uart";
+
+				status = "disabled";
+			};
+
+			gpio: gpio@18040000 {
+				compatible = "qca,ar7100-gpio";
+				reg = <0x18040000 0x34>;
+				interrupts = <2>;
+
+				ngpios = <30>;
+
+				gpio-controller;
+				#gpio-cells = <2>;
+
+				interrupt-controller;
+				#interrupt-cells = <2>;
+
+				status = "disabled";
+			};
+
+			pll: pll-controller@18050000 {
+				compatible = "qca,ar9330-pll";
+				reg = <0x18050000 0x100>;
+
+				clocks = <&ref>;
+				clock-names = "ref";
+
+				#clock-cells = <1>;
+			};
+
+			miscintc: interrupt-controller@18060010 {
+				compatible = "qca,ar7240-misc-intc";
+				reg = <0x18060010 0x4>;
+
+				interrupt-parent = <&cpuintc>;
+				interrupts = <6>;
+
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			rst: reset-controller@1806001c {
+				compatible = "qca,ar7100-reset";
+				reg = <0x1806001c 0x4>;
+
+				#reset-cells = <1>;
+			};
+		};
+
+		usb: usb@1b000100 {
+			compatible = "chipidea,usb2";
+			reg = <0x1b000000 0x200>;
+
+			interrupts = <3>;
+			resets = <&rst 5>;
+
+			phy-names = "usb-phy";
+			phys = <&usb_phy>;
+
+			status = "disabled";
+		};
+
+		spi: spi@1f000000 {
+			compatible = "qca,ar7100-spi";
+			reg = <0x1f000000 0x10>;
+
+			clocks = <&pll ATH79_CLK_AHB>;
+			clock-names = "ahb";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			status = "disabled";
+		};
+	};
+
+	usb_phy: usb-phy {
+		compatible = "qca,ar7100-usb-phy";
+
+		reset-names = "usb-phy", "usb-suspend-override";
+		resets = <&rst 4>, <&rst 3>;
+
+		#phy-cells = <0>;
+
+		status = "disabled";
+	};
+};
diff --git a/arch/mips/boot/dts/qca/ar9331_dpt_module.dts b/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
new file mode 100644
index 000000000..98e74500e
--- /dev/null
+++ b/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
@@ -0,0 +1,78 @@
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "ar9331.dtsi"
+
+/ {
+	model = "DPTechnics DPT-Module";
+	compatible = "dptechnics,dpt-module";
+
+	aliases {
+		serial0 = &uart;
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x4000000>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		system {
+			label = "dpt-module:green:system";
+			gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <100>;
+
+		button@0 {
+			label = "reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&ref {
+	clock-frequency = <25000000>;
+};
+
+&uart {
+	status = "okay";
+};
+
+&gpio {
+	status = "okay";
+};
+
+&usb {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usb_phy {
+	status = "okay";
+};
+
+&spi {
+	num-chipselects = <1>;
+	status = "okay";
+
+	/* Winbond 25Q128FVSG SPI flash */
+	spiflash: w25q128@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "winbond,w25q128", "jedec,spi-nor";
+		spi-max-frequency = <104000000>;
+		reg = <0>;
+	};
+};
diff --git a/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts b/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
new file mode 100644
index 000000000..56f832076
--- /dev/null
+++ b/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
@@ -0,0 +1,102 @@
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "ar9331.dtsi"
+
+/ {
+	model = "Dragino MS14 (Dragino 2)";
+	compatible = "dragino,ms14";
+
+	aliases {
+		serial0 = &uart;
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x4000000>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		wlan {
+			label = "dragino2:red:wlan";
+			gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		lan {
+			label = "dragino2:red:lan";
+			gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		wan {
+			label = "dragino2:red:wan";
+			gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		system {
+			label = "dragino2:red:system";
+			gpios = <&gpio 28 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <100>;
+
+		button@0 {
+			label = "jumpstart";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
+		};
+
+		button@1 {
+			label = "reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&ref {
+	clock-frequency = <25000000>;
+};
+
+&uart {
+	status = "okay";
+};
+
+&gpio {
+	status = "okay";
+};
+
+&usb {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usb_phy {
+	status = "okay";
+};
+
+&spi {
+	num-chipselects = <1>;
+	status = "okay";
+
+	/* Winbond 25Q128BVFG SPI flash */
+	spiflash: w25q128@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "winbond,w25q128", "jedec,spi-nor";
+		spi-max-frequency = <104000000>;
+		reg = <0>;
+	};
+};
diff --git a/arch/mips/boot/dts/qca/ar9331_omega.dts b/arch/mips/boot/dts/qca/ar9331_omega.dts
new file mode 100644
index 000000000..b2be3b044
--- /dev/null
+++ b/arch/mips/boot/dts/qca/ar9331_omega.dts
@@ -0,0 +1,78 @@
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "ar9331.dtsi"
+
+/ {
+	model = "Onion Omega";
+	compatible = "onion,omega";
+
+	aliases {
+		serial0 = &uart;
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x4000000>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		system {
+			label = "onion:amber:system";
+			gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <100>;
+
+		button@0 {
+			label = "reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+&ref {
+	clock-frequency = <25000000>;
+};
+
+&uart {
+	status = "okay";
+};
+
+&gpio {
+	status = "okay";
+};
+
+&usb {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usb_phy {
+	status = "okay";
+};
+
+&spi {
+	num-chipselects = <1>;
+	status = "okay";
+
+	/* Winbond 25Q128FVSG SPI flash */
+	spiflash: w25q128@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "winbond,w25q128", "jedec,spi-nor";
+		spi-max-frequency = <104000000>;
+		reg = <0>;
+	};
+};
diff --git a/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts b/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts
new file mode 100644
index 000000000..919cf3b85
--- /dev/null
+++ b/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts
@@ -0,0 +1,118 @@
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "ar9331.dtsi"
+
+/ {
+	model = "TP-Link TL-MR3020";
+	compatible = "tplink,tl-mr3020";
+
+	aliases {
+		serial0 = &uart;
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x2000000>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		wlan {
+			label = "tp-link:green:wlan";
+			gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		lan {
+			label = "tp-link:green:lan";
+			gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		wps {
+			label = "tp-link:green:wps";
+			gpios = <&gpio 26 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		led3g {
+			label = "tp-link:green:3g";
+			gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <100>;
+
+		button@0 {
+			label = "wps";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
+		};
+
+		button@1 {
+			label = "sw1";
+			linux,code = <BTN_0>;
+			gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
+		};
+
+		button@2 {
+			label = "sw2";
+			linux,code = <BTN_1>;
+			gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	reg_usb_vbus: reg_usb_vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio 8 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+};
+
+&ref {
+	clock-frequency = <25000000>;
+};
+
+&uart {
+	status = "okay";
+};
+
+&gpio {
+	status = "okay";
+};
+
+&usb {
+	dr_mode = "host";
+	vbus-supply = <&reg_usb_vbus>;
+	status = "okay";
+};
+
+&usb_phy {
+	status = "okay";
+};
+
+&spi {
+	num-chipselects = <1>;
+	status = "okay";
+
+	/* Spansion S25FL032PIF SPI flash */
+	spiflash: s25sl032p@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spansion,s25sl032p", "jedec,spi-nor";
+		spi-max-frequency = <104000000>;
+		reg = <0>;
+	};
+};
diff --git a/arch/mips/boot/dts/ralink/mt7620a.dtsi b/arch/mips/boot/dts/ralink/mt7620a.dtsi
index 08bf24fef..793c0c7ca 100644
--- a/arch/mips/boot/dts/ralink/mt7620a.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7620a.dtsi
@@ -9,7 +9,7 @@
 		};
 	};
 
-	cpuintc: cpuintc@0 {
+	cpuintc: cpuintc {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
diff --git a/arch/mips/boot/dts/ralink/rt2880.dtsi b/arch/mips/boot/dts/ralink/rt2880.dtsi
index 182afde2f..fb2faef0a 100644
--- a/arch/mips/boot/dts/ralink/rt2880.dtsi
+++ b/arch/mips/boot/dts/ralink/rt2880.dtsi
@@ -9,7 +9,7 @@
 		};
 	};
 
-	cpuintc: cpuintc@0 {
+	cpuintc: cpuintc {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
diff --git a/arch/mips/boot/dts/ralink/rt3050.dtsi b/arch/mips/boot/dts/ralink/rt3050.dtsi
index e3203d414..d3cb57f98 100644
--- a/arch/mips/boot/dts/ralink/rt3050.dtsi
+++ b/arch/mips/boot/dts/ralink/rt3050.dtsi
@@ -9,7 +9,7 @@
 		};
 	};
 
-	cpuintc: cpuintc@0 {
+	cpuintc: cpuintc {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
diff --git a/arch/mips/boot/dts/ralink/rt3883.dtsi b/arch/mips/boot/dts/ralink/rt3883.dtsi
index 3b131dd0d..3d6fc9afd 100644
--- a/arch/mips/boot/dts/ralink/rt3883.dtsi
+++ b/arch/mips/boot/dts/ralink/rt3883.dtsi
@@ -9,7 +9,7 @@
 		};
 	};
 
-	cpuintc: cpuintc@0 {
+	cpuintc: cpuintc {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
diff --git a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
index 686ebd113..48d21127c 100644
--- a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
+++ b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
@@ -10,7 +10,7 @@
 		reg = <0x0 0x08000000>;
 	};
 
-	cpuintc: interrupt-controller@0 {
+	cpuintc: interrupt-controller {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
diff --git a/arch/mips/boot/tools/.gitignore b/arch/mips/boot/tools/.gitignore
new file mode 100644
index 000000000..be0ed0652
--- /dev/null
+++ b/arch/mips/boot/tools/.gitignore
@@ -0,0 +1 @@
+relocs
diff --git a/arch/mips/boot/tools/Makefile b/arch/mips/boot/tools/Makefile
new file mode 100644
index 000000000..d232a68f6
--- /dev/null
+++ b/arch/mips/boot/tools/Makefile
@@ -0,0 +1,8 @@
+
+hostprogs-y	+= relocs
+relocs-objs	+= relocs_32.o
+relocs-objs	+= relocs_64.o
+relocs-objs	+= relocs_main.o
+PHONY += relocs
+relocs: $(obj)/relocs
+	@:
diff --git a/arch/mips/boot/tools/relocs.c b/arch/mips/boot/tools/relocs.c
new file mode 100644
index 000000000..b9cbf7852
--- /dev/null
+++ b/arch/mips/boot/tools/relocs.c
@@ -0,0 +1,680 @@
+/* This is included from relocs_32/64.c */
+
+#define ElfW(type)		_ElfW(ELF_BITS, type)
+#define _ElfW(bits, type)	__ElfW(bits, type)
+#define __ElfW(bits, type)	Elf##bits##_##type
+
+#define Elf_Addr		ElfW(Addr)
+#define Elf_Ehdr		ElfW(Ehdr)
+#define Elf_Phdr		ElfW(Phdr)
+#define Elf_Shdr		ElfW(Shdr)
+#define Elf_Sym			ElfW(Sym)
+
+static Elf_Ehdr ehdr;
+
+struct relocs {
+	uint32_t	*offset;
+	unsigned long	count;
+	unsigned long	size;
+};
+
+static struct relocs relocs;
+
+struct section {
+	Elf_Shdr       shdr;
+	struct section *link;
+	Elf_Sym        *symtab;
+	Elf_Rel        *reltab;
+	char           *strtab;
+	long           shdr_offset;
+};
+static struct section *secs;
+
+static const char * const regex_sym_kernel = {
+/* Symbols matching these regex's should never be relocated */
+	"^(__crc_)",
+};
+
+static regex_t sym_regex_c;
+
+static int regex_skip_reloc(const char *sym_name)
+{
+	return !regexec(&sym_regex_c, sym_name, 0, NULL, 0);
+}
+
+static void regex_init(void)
+{
+	char errbuf[128];
+	int err;
+
+	err = regcomp(&sym_regex_c, regex_sym_kernel,
+			REG_EXTENDED|REG_NOSUB);
+
+	if (err) {
+		regerror(err, &sym_regex_c, errbuf, sizeof(errbuf));
+		die("%s", errbuf);
+	}
+}
+
+static const char *rel_type(unsigned type)
+{
+	static const char * const type_name[] = {
+#define REL_TYPE(X)[X] = #X
+		REL_TYPE(R_MIPS_NONE),
+		REL_TYPE(R_MIPS_16),
+		REL_TYPE(R_MIPS_32),
+		REL_TYPE(R_MIPS_REL32),
+		REL_TYPE(R_MIPS_26),
+		REL_TYPE(R_MIPS_HI16),
+		REL_TYPE(R_MIPS_LO16),
+		REL_TYPE(R_MIPS_GPREL16),
+		REL_TYPE(R_MIPS_LITERAL),
+		REL_TYPE(R_MIPS_GOT16),
+		REL_TYPE(R_MIPS_PC16),
+		REL_TYPE(R_MIPS_CALL16),
+		REL_TYPE(R_MIPS_GPREL32),
+		REL_TYPE(R_MIPS_64),
+		REL_TYPE(R_MIPS_HIGHER),
+		REL_TYPE(R_MIPS_HIGHEST),
+		REL_TYPE(R_MIPS_PC21_S2),
+		REL_TYPE(R_MIPS_PC26_S2),
+#undef REL_TYPE
+	};
+	const char *name = "unknown type rel type name";
+
+	if (type < ARRAY_SIZE(type_name) && type_name[type])
+		name = type_name[type];
+	return name;
+}
+
+static const char *sec_name(unsigned shndx)
+{
+	const char *sec_strtab;
+	const char *name;
+
+	sec_strtab = secs[ehdr.e_shstrndx].strtab;
+	if (shndx < ehdr.e_shnum)
+		name = sec_strtab + secs[shndx].shdr.sh_name;
+	else if (shndx == SHN_ABS)
+		name = "ABSOLUTE";
+	else if (shndx == SHN_COMMON)
+		name = "COMMON";
+	else
+		name = "<noname>";
+	return name;
+}
+
+static struct section *sec_lookup(const char *secname)
+{
+	int i;
+
+	for (i = 0; i < ehdr.e_shnum; i++)
+		if (strcmp(secname, sec_name(i)) == 0)
+			return &secs[i];
+
+	return NULL;
+}
+
+static const char *sym_name(const char *sym_strtab, Elf_Sym *sym)
+{
+	const char *name;
+
+	if (sym->st_name)
+		name = sym_strtab + sym->st_name;
+	else
+		name = sec_name(sym->st_shndx);
+	return name;
+}
+
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define le16_to_cpu(val) (val)
+#define le32_to_cpu(val) (val)
+#define le64_to_cpu(val) (val)
+#define be16_to_cpu(val) bswap_16(val)
+#define be32_to_cpu(val) bswap_32(val)
+#define be64_to_cpu(val) bswap_64(val)
+
+#define cpu_to_le16(val) (val)
+#define cpu_to_le32(val) (val)
+#define cpu_to_le64(val) (val)
+#define cpu_to_be16(val) bswap_16(val)
+#define cpu_to_be32(val) bswap_32(val)
+#define cpu_to_be64(val) bswap_64(val)
+#endif
+#if BYTE_ORDER == BIG_ENDIAN
+#define le16_to_cpu(val) bswap_16(val)
+#define le32_to_cpu(val) bswap_32(val)
+#define le64_to_cpu(val) bswap_64(val)
+#define be16_to_cpu(val) (val)
+#define be32_to_cpu(val) (val)
+#define be64_to_cpu(val) (val)
+
+#define cpu_to_le16(val) bswap_16(val)
+#define cpu_to_le32(val) bswap_32(val)
+#define cpu_to_le64(val) bswap_64(val)
+#define cpu_to_be16(val) (val)
+#define cpu_to_be32(val) (val)
+#define cpu_to_be64(val) (val)
+#endif
+
+static uint16_t elf16_to_cpu(uint16_t val)
+{
+	if (ehdr.e_ident[EI_DATA] == ELFDATA2LSB)
+		return le16_to_cpu(val);
+	else
+		return be16_to_cpu(val);
+}
+
+static uint32_t elf32_to_cpu(uint32_t val)
+{
+	if (ehdr.e_ident[EI_DATA] == ELFDATA2LSB)
+		return le32_to_cpu(val);
+	else
+		return be32_to_cpu(val);
+}
+
+static uint32_t cpu_to_elf32(uint32_t val)
+{
+	if (ehdr.e_ident[EI_DATA] == ELFDATA2LSB)
+		return cpu_to_le32(val);
+	else
+		return cpu_to_be32(val);
+}
+
+#define elf_half_to_cpu(x)	elf16_to_cpu(x)
+#define elf_word_to_cpu(x)	elf32_to_cpu(x)
+
+#if ELF_BITS == 64
+static uint64_t elf64_to_cpu(uint64_t val)
+{
+	if (ehdr.e_ident[EI_DATA] == ELFDATA2LSB)
+		return le64_to_cpu(val);
+	else
+		return be64_to_cpu(val);
+}
+#define elf_addr_to_cpu(x)	elf64_to_cpu(x)
+#define elf_off_to_cpu(x)	elf64_to_cpu(x)
+#define elf_xword_to_cpu(x)	elf64_to_cpu(x)
+#else
+#define elf_addr_to_cpu(x)	elf32_to_cpu(x)
+#define elf_off_to_cpu(x)	elf32_to_cpu(x)
+#define elf_xword_to_cpu(x)	elf32_to_cpu(x)
+#endif
+
+static void read_ehdr(FILE *fp)
+{
+	if (fread(&ehdr, sizeof(ehdr), 1, fp) != 1)
+		die("Cannot read ELF header: %s\n", strerror(errno));
+
+	if (memcmp(ehdr.e_ident, ELFMAG, SELFMAG) != 0)
+		die("No ELF magic\n");
+
+	if (ehdr.e_ident[EI_CLASS] != ELF_CLASS)
+		die("Not a %d bit executable\n", ELF_BITS);
+
+	if ((ehdr.e_ident[EI_DATA] != ELFDATA2LSB) &&
+	    (ehdr.e_ident[EI_DATA] != ELFDATA2MSB))
+		die("Unknown ELF Endianness\n");
+
+	if (ehdr.e_ident[EI_VERSION] != EV_CURRENT)
+		die("Unknown ELF version\n");
+
+	/* Convert the fields to native endian */
+	ehdr.e_type      = elf_half_to_cpu(ehdr.e_type);
+	ehdr.e_machine   = elf_half_to_cpu(ehdr.e_machine);
+	ehdr.e_version   = elf_word_to_cpu(ehdr.e_version);
+	ehdr.e_entry     = elf_addr_to_cpu(ehdr.e_entry);
+	ehdr.e_phoff     = elf_off_to_cpu(ehdr.e_phoff);
+	ehdr.e_shoff     = elf_off_to_cpu(ehdr.e_shoff);
+	ehdr.e_flags     = elf_word_to_cpu(ehdr.e_flags);
+	ehdr.e_ehsize    = elf_half_to_cpu(ehdr.e_ehsize);
+	ehdr.e_phentsize = elf_half_to_cpu(ehdr.e_phentsize);
+	ehdr.e_phnum     = elf_half_to_cpu(ehdr.e_phnum);
+	ehdr.e_shentsize = elf_half_to_cpu(ehdr.e_shentsize);
+	ehdr.e_shnum     = elf_half_to_cpu(ehdr.e_shnum);
+	ehdr.e_shstrndx  = elf_half_to_cpu(ehdr.e_shstrndx);
+
+	if ((ehdr.e_type != ET_EXEC) && (ehdr.e_type != ET_DYN))
+		die("Unsupported ELF header type\n");
+
+	if (ehdr.e_machine != ELF_MACHINE)
+		die("Not for %s\n", ELF_MACHINE_NAME);
+
+	if (ehdr.e_version != EV_CURRENT)
+		die("Unknown ELF version\n");
+
+	if (ehdr.e_ehsize != sizeof(Elf_Ehdr))
+		die("Bad Elf header size\n");
+
+	if (ehdr.e_phentsize != sizeof(Elf_Phdr))
+		die("Bad program header entry\n");
+
+	if (ehdr.e_shentsize != sizeof(Elf_Shdr))
+		die("Bad section header entry\n");
+
+	if (ehdr.e_shstrndx >= ehdr.e_shnum)
+		die("String table index out of bounds\n");
+}
+
+static void read_shdrs(FILE *fp)
+{
+	int i;
+	Elf_Shdr shdr;
+
+	secs = calloc(ehdr.e_shnum, sizeof(struct section));
+	if (!secs)
+		die("Unable to allocate %d section headers\n", ehdr.e_shnum);
+
+	if (fseek(fp, ehdr.e_shoff, SEEK_SET) < 0)
+		die("Seek to %d failed: %s\n", ehdr.e_shoff, strerror(errno));
+
+	for (i = 0; i < ehdr.e_shnum; i++) {
+		struct section *sec = &secs[i];
+
+		sec->shdr_offset = ftell(fp);
+		if (fread(&shdr, sizeof(shdr), 1, fp) != 1)
+			die("Cannot read ELF section headers %d/%d: %s\n",
+			    i, ehdr.e_shnum, strerror(errno));
+		sec->shdr.sh_name      = elf_word_to_cpu(shdr.sh_name);
+		sec->shdr.sh_type      = elf_word_to_cpu(shdr.sh_type);
+		sec->shdr.sh_flags     = elf_xword_to_cpu(shdr.sh_flags);
+		sec->shdr.sh_addr      = elf_addr_to_cpu(shdr.sh_addr);
+		sec->shdr.sh_offset    = elf_off_to_cpu(shdr.sh_offset);
+		sec->shdr.sh_size      = elf_xword_to_cpu(shdr.sh_size);
+		sec->shdr.sh_link      = elf_word_to_cpu(shdr.sh_link);
+		sec->shdr.sh_info      = elf_word_to_cpu(shdr.sh_info);
+		sec->shdr.sh_addralign = elf_xword_to_cpu(shdr.sh_addralign);
+		sec->shdr.sh_entsize   = elf_xword_to_cpu(shdr.sh_entsize);
+		if (sec->shdr.sh_link < ehdr.e_shnum)
+			sec->link = &secs[sec->shdr.sh_link];
+	}
+}
+
+static void read_strtabs(FILE *fp)
+{
+	int i;
+
+	for (i = 0; i < ehdr.e_shnum; i++) {
+		struct section *sec = &secs[i];
+
+		if (sec->shdr.sh_type != SHT_STRTAB)
+			continue;
+
+		sec->strtab = malloc(sec->shdr.sh_size);
+		if (!sec->strtab)
+			die("malloc of %d bytes for strtab failed\n",
+			    sec->shdr.sh_size);
+
+		if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0)
+			die("Seek to %d failed: %s\n",
+			    sec->shdr.sh_offset, strerror(errno));
+
+		if (fread(sec->strtab, 1, sec->shdr.sh_size, fp) !=
+		    sec->shdr.sh_size)
+			die("Cannot read symbol table: %s\n", strerror(errno));
+	}
+}
+
+static void read_symtabs(FILE *fp)
+{
+	int i, j;
+
+	for (i = 0; i < ehdr.e_shnum; i++) {
+		struct section *sec = &secs[i];
+		if (sec->shdr.sh_type != SHT_SYMTAB)
+			continue;
+
+		sec->symtab = malloc(sec->shdr.sh_size);
+		if (!sec->symtab)
+			die("malloc of %d bytes for symtab failed\n",
+			    sec->shdr.sh_size);
+
+		if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0)
+			die("Seek to %d failed: %s\n",
+			    sec->shdr.sh_offset, strerror(errno));
+
+		if (fread(sec->symtab, 1, sec->shdr.sh_size, fp) !=
+		    sec->shdr.sh_size)
+			die("Cannot read symbol table: %s\n", strerror(errno));
+
+		for (j = 0; j < sec->shdr.sh_size/sizeof(Elf_Sym); j++) {
+			Elf_Sym *sym = &sec->symtab[j];
+
+			sym->st_name  = elf_word_to_cpu(sym->st_name);
+			sym->st_value = elf_addr_to_cpu(sym->st_value);
+			sym->st_size  = elf_xword_to_cpu(sym->st_size);
+			sym->st_shndx = elf_half_to_cpu(sym->st_shndx);
+		}
+	}
+}
+
+static void read_relocs(FILE *fp)
+{
+	static unsigned long base = 0;
+	int i, j;
+
+	if (!base) {
+		struct section *sec = sec_lookup(".text");
+
+		if (!sec)
+			die("Could not find .text section\n");
+
+		base = sec->shdr.sh_addr;
+	}
+
+	for (i = 0; i < ehdr.e_shnum; i++) {
+		struct section *sec = &secs[i];
+
+		if (sec->shdr.sh_type != SHT_REL_TYPE)
+			continue;
+
+		sec->reltab = malloc(sec->shdr.sh_size);
+		if (!sec->reltab)
+			die("malloc of %d bytes for relocs failed\n",
+			    sec->shdr.sh_size);
+
+		if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0)
+			die("Seek to %d failed: %s\n",
+			    sec->shdr.sh_offset, strerror(errno));
+
+		if (fread(sec->reltab, 1, sec->shdr.sh_size, fp) !=
+		    sec->shdr.sh_size)
+			die("Cannot read symbol table: %s\n", strerror(errno));
+
+		for (j = 0; j < sec->shdr.sh_size/sizeof(Elf_Rel); j++) {
+			Elf_Rel *rel = &sec->reltab[j];
+
+			rel->r_offset = elf_addr_to_cpu(rel->r_offset);
+			/* Set offset into kernel image */
+			rel->r_offset -= base;
+#if (ELF_BITS == 32)
+			rel->r_info   = elf_xword_to_cpu(rel->r_info);
+#else
+			/* Convert MIPS64 RELA format - only the symbol
+			 * index needs converting to native endianness
+			 */
+			rel->r_info   = rel->r_info;
+			ELF_R_SYM(rel->r_info) = elf32_to_cpu(ELF_R_SYM(rel->r_info));
+#endif
+#if (SHT_REL_TYPE == SHT_RELA)
+			rel->r_addend = elf_xword_to_cpu(rel->r_addend);
+#endif
+		}
+	}
+}
+
+static void remove_relocs(FILE *fp)
+{
+	int i;
+	Elf_Shdr shdr;
+
+	for (i = 0; i < ehdr.e_shnum; i++) {
+		struct section *sec = &secs[i];
+
+		if (sec->shdr.sh_type != SHT_REL_TYPE)
+			continue;
+
+		if (fseek(fp, sec->shdr_offset, SEEK_SET) < 0)
+			die("Seek to %d failed: %s\n",
+			    sec->shdr_offset, strerror(errno));
+
+		if (fread(&shdr, sizeof(shdr), 1, fp) != 1)
+			die("Cannot read ELF section headers %d/%d: %s\n",
+			    i, ehdr.e_shnum, strerror(errno));
+
+		/* Set relocation section size to 0, effectively removing it.
+		 * This is necessary due to lack of support for relocations
+		 * in objcopy when creating 32bit elf from 64bit elf.
+		 */
+		shdr.sh_size = 0;
+
+		if (fseek(fp, sec->shdr_offset, SEEK_SET) < 0)
+			die("Seek to %d failed: %s\n",
+			    sec->shdr_offset, strerror(errno));
+
+		if (fwrite(&shdr, sizeof(shdr), 1, fp) != 1)
+			die("Cannot write ELF section headers %d/%d: %s\n",
+			    i, ehdr.e_shnum, strerror(errno));
+	}
+}
+
+static void add_reloc(struct relocs *r, uint32_t offset, unsigned type)
+{
+	/* Relocation representation in binary table:
+	 * |76543210|76543210|76543210|76543210|
+	 * |  Type  |  offset from _text >> 2  |
+	 */
+	offset >>= 2;
+	if (offset > 0x00FFFFFF)
+		die("Kernel image exceeds maximum size for relocation!\n");
+
+	offset = (offset & 0x00FFFFFF) | ((type & 0xFF) << 24);
+
+	if (r->count == r->size) {
+		unsigned long newsize = r->size + 50000;
+		void *mem = realloc(r->offset, newsize * sizeof(r->offset[0]));
+
+		if (!mem)
+			die("realloc failed\n");
+
+		r->offset = mem;
+		r->size = newsize;
+	}
+	r->offset[r->count++] = offset;
+}
+
+static void walk_relocs(int (*process)(struct section *sec, Elf_Rel *rel,
+			Elf_Sym *sym, const char *symname))
+{
+	int i;
+
+	/* Walk through the relocations */
+	for (i = 0; i < ehdr.e_shnum; i++) {
+		char *sym_strtab;
+		Elf_Sym *sh_symtab;
+		struct section *sec_applies, *sec_symtab;
+		int j;
+		struct section *sec = &secs[i];
+
+		if (sec->shdr.sh_type != SHT_REL_TYPE)
+			continue;
+
+		sec_symtab  = sec->link;
+		sec_applies = &secs[sec->shdr.sh_info];
+		if (!(sec_applies->shdr.sh_flags & SHF_ALLOC))
+			continue;
+
+		sh_symtab = sec_symtab->symtab;
+		sym_strtab = sec_symtab->link->strtab;
+		for (j = 0; j < sec->shdr.sh_size/sizeof(Elf_Rel); j++) {
+			Elf_Rel *rel = &sec->reltab[j];
+			Elf_Sym *sym = &sh_symtab[ELF_R_SYM(rel->r_info)];
+			const char *symname = sym_name(sym_strtab, sym);
+
+			process(sec, rel, sym, symname);
+		}
+	}
+}
+
+static int do_reloc(struct section *sec, Elf_Rel *rel, Elf_Sym *sym,
+		      const char *symname)
+{
+	unsigned r_type = ELF_R_TYPE(rel->r_info);
+	unsigned bind = ELF_ST_BIND(sym->st_info);
+
+	if ((bind == STB_WEAK) && (sym->st_value == 0)) {
+		/* Don't relocate weak symbols without a target */
+		return 0;
+	}
+
+	if (regex_skip_reloc(symname))
+		return 0;
+
+	switch (r_type) {
+	case R_MIPS_NONE:
+	case R_MIPS_REL32:
+	case R_MIPS_PC16:
+	case R_MIPS_PC21_S2:
+	case R_MIPS_PC26_S2:
+		/*
+		 * NONE can be ignored and PC relative relocations don't
+		 * need to be adjusted.
+		 */
+	case R_MIPS_HIGHEST:
+	case R_MIPS_HIGHER:
+		/* We support relocating within the same 4Gb segment only,
+		 * thus leaving the top 32bits unchanged
+		 */
+	case R_MIPS_LO16:
+		/* We support relocating by 64k jumps only
+		 * thus leaving the bottom 16bits unchanged
+		 */
+		break;
+
+	case R_MIPS_64:
+	case R_MIPS_32:
+	case R_MIPS_26:
+	case R_MIPS_HI16:
+		add_reloc(&relocs, rel->r_offset, r_type);
+		break;
+
+	default:
+		die("Unsupported relocation type: %s (%d)\n",
+		    rel_type(r_type), r_type);
+		break;
+	}
+
+	return 0;
+}
+
+static int write_reloc_as_bin(uint32_t v, FILE *f)
+{
+	unsigned char buf[4];
+
+	v = cpu_to_elf32(v);
+
+	memcpy(buf, &v, sizeof(uint32_t));
+	return fwrite(buf, 1, 4, f);
+}
+
+static int write_reloc_as_text(uint32_t v, FILE *f)
+{
+	int res;
+
+	res = fprintf(f, "\t.long 0x%08"PRIx32"\n", v);
+	if (res < 0)
+		return res;
+	else
+		return sizeof(uint32_t);
+}
+
+static void emit_relocs(int as_text, int as_bin, FILE *outf)
+{
+	int i;
+	int (*write_reloc)(uint32_t, FILE *) = write_reloc_as_bin;
+	int size = 0;
+	int size_reserved;
+	struct section *sec_reloc;
+
+	sec_reloc = sec_lookup(".data.reloc");
+	if (!sec_reloc)
+		die("Could not find relocation section\n");
+
+	size_reserved = sec_reloc->shdr.sh_size;
+
+	/* Collect up the relocations */
+	walk_relocs(do_reloc);
+
+	/* Print the relocations */
+	if (as_text) {
+		/* Print the relocations in a form suitable that
+		 * gas will like.
+		 */
+		printf(".section \".data.reloc\",\"a\"\n");
+		printf(".balign 4\n");
+		/* Output text to stdout */
+		write_reloc = write_reloc_as_text;
+		outf = stdout;
+	} else if (as_bin) {
+		/* Output raw binary to stdout */
+		outf = stdout;
+	} else {
+		/* Seek to offset of the relocation section.
+		* Each relocation is then written into the
+		* vmlinux kernel image.
+		*/
+		if (fseek(outf, sec_reloc->shdr.sh_offset, SEEK_SET) < 0) {
+			die("Seek to %d failed: %s\n",
+				sec_reloc->shdr.sh_offset, strerror(errno));
+		}
+	}
+
+	for (i = 0; i < relocs.count; i++)
+		size += write_reloc(relocs.offset[i], outf);
+
+	/* Print a stop, but only if we've actually written some relocs */
+	if (size)
+		size += write_reloc(0, outf);
+
+	if (size > size_reserved)
+		/* Die, but suggest a value for CONFIG_RELOCATION_TABLE_SIZE
+		 * which will fix this problem and allow a bit of headroom
+		 * if more kernel features are enabled
+		 */
+		die("Relocations overflow available space!\n" \
+		    "Please adjust CONFIG_RELOCATION_TABLE_SIZE " \
+		    "to at least 0x%08x\n", (size + 0x1000) & ~0xFFF);
+}
+
+/*
+ * As an aid to debugging problems with different linkers
+ * print summary information about the relocs.
+ * Since different linkers tend to emit the sections in
+ * different orders we use the section names in the output.
+ */
+static int do_reloc_info(struct section *sec, Elf_Rel *rel, ElfW(Sym) *sym,
+				const char *symname)
+{
+	printf("%16s  0x%08x  %16s  %40s  %16s\n",
+		sec_name(sec->shdr.sh_info),
+		(unsigned int)rel->r_offset,
+		rel_type(ELF_R_TYPE(rel->r_info)),
+		symname,
+		sec_name(sym->st_shndx));
+	return 0;
+}
+
+static void print_reloc_info(void)
+{
+	printf("%16s  %10s  %16s  %40s  %16s\n",
+		"reloc section",
+		"offset",
+		"reloc type",
+		"symbol",
+		"symbol section");
+	walk_relocs(do_reloc_info);
+}
+
+#if ELF_BITS == 64
+# define process process_64
+#else
+# define process process_32
+#endif
+
+void process(FILE *fp, int as_text, int as_bin,
+	     int show_reloc_info, int keep_relocs)
+{
+	regex_init();
+	read_ehdr(fp);
+	read_shdrs(fp);
+	read_strtabs(fp);
+	read_symtabs(fp);
+	read_relocs(fp);
+	if (show_reloc_info) {
+		print_reloc_info();
+		return;
+	}
+	emit_relocs(as_text, as_bin, fp);
+	if (!keep_relocs)
+		remove_relocs(fp);
+}
diff --git a/arch/mips/boot/tools/relocs.h b/arch/mips/boot/tools/relocs.h
new file mode 100644
index 000000000..3cf676f49
--- /dev/null
+++ b/arch/mips/boot/tools/relocs.h
@@ -0,0 +1,45 @@
+#ifndef RELOCS_H
+#define RELOCS_H
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <elf.h>
+#include <byteswap.h>
+#define USE_BSD
+#include <endian.h>
+#include <regex.h>
+
+void die(char *fmt, ...);
+
+/*
+ * Introduced for MIPSr6
+ */
+#ifndef R_MIPS_PC21_S2
+#define R_MIPS_PC21_S2		60
+#endif
+
+#ifndef R_MIPS_PC26_S2
+#define R_MIPS_PC26_S2		61
+#endif
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+enum symtype {
+	S_ABS,
+	S_REL,
+	S_SEG,
+	S_LIN,
+	S_NSYMTYPES
+};
+
+void process_32(FILE *fp, int as_text, int as_bin,
+		int show_reloc_info, int keep_relocs);
+void process_64(FILE *fp, int as_text, int as_bin,
+		int show_reloc_info, int keep_relocs);
+#endif /* RELOCS_H */
diff --git a/arch/mips/boot/tools/relocs_32.c b/arch/mips/boot/tools/relocs_32.c
new file mode 100644
index 000000000..915bdc07f
--- /dev/null
+++ b/arch/mips/boot/tools/relocs_32.c
@@ -0,0 +1,17 @@
+#include "relocs.h"
+
+#define ELF_BITS 32
+
+#define ELF_MACHINE		EM_MIPS
+#define ELF_MACHINE_NAME	"MIPS"
+#define SHT_REL_TYPE		SHT_REL
+#define Elf_Rel			ElfW(Rel)
+
+#define ELF_CLASS		ELFCLASS32
+#define ELF_R_SYM(val)		ELF32_R_SYM(val)
+#define ELF_R_TYPE(val)		ELF32_R_TYPE(val)
+#define ELF_ST_TYPE(o)		ELF32_ST_TYPE(o)
+#define ELF_ST_BIND(o)		ELF32_ST_BIND(o)
+#define ELF_ST_VISIBILITY(o)	ELF32_ST_VISIBILITY(o)
+
+#include "relocs.c"
diff --git a/arch/mips/boot/tools/relocs_64.c b/arch/mips/boot/tools/relocs_64.c
new file mode 100644
index 000000000..b671b5e2d
--- /dev/null
+++ b/arch/mips/boot/tools/relocs_64.c
@@ -0,0 +1,27 @@
+#include "relocs.h"
+
+#define ELF_BITS 64
+
+#define ELF_MACHINE             EM_MIPS
+#define ELF_MACHINE_NAME        "MIPS64"
+#define SHT_REL_TYPE            SHT_RELA
+#define Elf_Rel                 Elf64_Rela
+
+typedef uint8_t Elf64_Byte;
+
+typedef struct {
+	Elf64_Word r_sym;	/* Symbol index.  */
+	Elf64_Byte r_ssym;	/* Special symbol.  */
+	Elf64_Byte r_type3;	/* Third relocation.  */
+	Elf64_Byte r_type2;	/* Second relocation.  */
+	Elf64_Byte r_type;	/* First relocation.  */
+} Elf64_Mips_Rela;
+
+#define ELF_CLASS               ELFCLASS64
+#define ELF_R_SYM(val)          (((Elf64_Mips_Rela *)(&val))->r_sym)
+#define ELF_R_TYPE(val)         (((Elf64_Mips_Rela *)(&val))->r_type)
+#define ELF_ST_TYPE(o)          ELF64_ST_TYPE(o)
+#define ELF_ST_BIND(o)          ELF64_ST_BIND(o)
+#define ELF_ST_VISIBILITY(o)    ELF64_ST_VISIBILITY(o)
+
+#include "relocs.c"
diff --git a/arch/mips/boot/tools/relocs_main.c b/arch/mips/boot/tools/relocs_main.c
new file mode 100644
index 000000000..d8fe2343b
--- /dev/null
+++ b/arch/mips/boot/tools/relocs_main.c
@@ -0,0 +1,84 @@
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <endian.h>
+#include <elf.h>
+
+#include "relocs.h"
+
+void die(char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+	exit(1);
+}
+
+static void usage(void)
+{
+	die("relocs [--reloc-info|--text|--bin|--keep] vmlinux\n");
+}
+
+int main(int argc, char **argv)
+{
+	int show_reloc_info, as_text, as_bin, keep_relocs;
+	const char *fname;
+	FILE *fp;
+	int i;
+	unsigned char e_ident[EI_NIDENT];
+
+	show_reloc_info = 0;
+	as_text = 0;
+	as_bin = 0;
+	keep_relocs = 0;
+	fname = NULL;
+	for (i = 1; i < argc; i++) {
+		char *arg = argv[i];
+
+		if (*arg == '-') {
+			if (strcmp(arg, "--reloc-info") == 0) {
+				show_reloc_info = 1;
+				continue;
+			}
+			if (strcmp(arg, "--text") == 0) {
+				as_text = 1;
+				continue;
+			}
+			if (strcmp(arg, "--bin") == 0) {
+				as_bin = 1;
+				continue;
+			}
+			if (strcmp(arg, "--keep") == 0) {
+				keep_relocs = 1;
+				continue;
+			}
+		} else if (!fname) {
+			fname = arg;
+			continue;
+		}
+		usage();
+	}
+	if (!fname)
+		usage();
+
+	fp = fopen(fname, "r+");
+	if (!fp)
+		die("Cannot open %s: %s\n", fname, strerror(errno));
+
+	if (fread(&e_ident, 1, EI_NIDENT, fp) != EI_NIDENT)
+		die("Cannot read %s: %s", fname, strerror(errno));
+
+	rewind(fp);
+	if (e_ident[EI_CLASS] == ELFCLASS64)
+		process_64(fp, as_text,  as_bin, show_reloc_info, keep_relocs);
+	else
+		process_32(fp, as_text, as_bin, show_reloc_info, keep_relocs);
+	fclose(fp);
+	return 0;
+}
diff --git a/arch/mips/cavium-octeon/csrc-octeon.c b/arch/mips/cavium-octeon/csrc-octeon.c
index 1882e6475..23c2344a3 100644
--- a/arch/mips/cavium-octeon/csrc-octeon.c
+++ b/arch/mips/cavium-octeon/csrc-octeon.c
@@ -19,6 +19,7 @@
 #include <asm/octeon/cvmx-ipd-defs.h>
 #include <asm/octeon/cvmx-mio-defs.h>
 #include <asm/octeon/cvmx-rst-defs.h>
+#include <asm/octeon/cvmx-fpa-defs.h>
 
 static u64 f;
 static u64 rdiv;
@@ -65,9 +66,13 @@ void __init octeon_setup_delays(void)
  */
 void octeon_init_cvmcount(void)
 {
+	u64 clk_reg;
 	unsigned long flags;
 	unsigned loops = 2;
 
+	clk_reg = octeon_has_feature(OCTEON_FEATURE_FPA3) ?
+		CVMX_FPA_CLK_COUNT : CVMX_IPD_CLK_COUNT;
+
 	/* Clobber loops so GCC will not unroll the following while loop. */
 	asm("" : "+r" (loops));
 
@@ -77,18 +82,18 @@ void octeon_init_cvmcount(void)
 	 * which should give more deterministic timing.
 	 */
 	while (loops--) {
-		u64 ipd_clk_count = cvmx_read_csr(CVMX_IPD_CLK_COUNT);
+		u64 clk_count = cvmx_read_csr(clk_reg);
 		if (rdiv != 0) {
-			ipd_clk_count *= rdiv;
+			clk_count *= rdiv;
 			if (f != 0) {
 				asm("dmultu\t%[cnt],%[f]\n\t"
 				    "mfhi\t%[cnt]"
-				    : [cnt] "+r" (ipd_clk_count)
+				    : [cnt] "+r" (clk_count)
 				    : [f] "r" (f)
 				    : "hi", "lo");
 			}
 		}
-		write_c0_cvmcount(ipd_clk_count);
+		write_c0_cvmcount(clk_count);
 	}
 	local_irq_restore(flags);
 }
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c
index 376701f41..ff26d0217 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c
@@ -87,6 +87,8 @@ int cvmx_helper_get_number_of_interfaces(void)
 		return 9;
 	if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX))
 		return 4;
+	if (OCTEON_IS_MODEL(OCTEON_CN7XXX))
+		return 5;
 	else
 		return 3;
 }
@@ -260,6 +262,41 @@ static cvmx_helper_interface_mode_t __cvmx_get_mode_octeon2(int interface)
 }
 
 /**
+ * @INTERNAL
+ * Return interface mode for CN7XXX.
+ */
+static cvmx_helper_interface_mode_t __cvmx_get_mode_cn7xxx(int interface)
+{
+	union cvmx_gmxx_inf_mode mode;
+
+	mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
+
+	switch (interface) {
+	case 0:
+	case 1:
+		switch (mode.cn68xx.mode) {
+		case 0:
+			return CVMX_HELPER_INTERFACE_MODE_DISABLED;
+		case 1:
+		case 2:
+			return CVMX_HELPER_INTERFACE_MODE_SGMII;
+		case 3:
+			return CVMX_HELPER_INTERFACE_MODE_XAUI;
+		default:
+			return CVMX_HELPER_INTERFACE_MODE_SGMII;
+		}
+	case 2:
+		return CVMX_HELPER_INTERFACE_MODE_NPI;
+	case 3:
+		return CVMX_HELPER_INTERFACE_MODE_LOOP;
+	case 4:
+		return CVMX_HELPER_INTERFACE_MODE_RGMII;
+	default:
+		return CVMX_HELPER_INTERFACE_MODE_DISABLED;
+	}
+}
+
+/**
  * Get the operating mode of an interface. Depending on the Octeon
  * chip and configuration, this function returns an enumeration
  * of the type of packet I/O supported by an interface.
@@ -278,6 +315,12 @@ cvmx_helper_interface_mode_t cvmx_helper_interface_get_mode(int interface)
 		return CVMX_HELPER_INTERFACE_MODE_DISABLED;
 
 	/*
+	 * OCTEON III models
+	 */
+	if (OCTEON_IS_MODEL(OCTEON_CN7XXX))
+		return __cvmx_get_mode_cn7xxx(interface);
+
+	/*
 	 * Octeon II models
 	 */
 	if (OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF71XX))
diff --git a/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c b/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c
index 3d17fac29..cc1b1d2a6 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c
@@ -32,86 +32,22 @@
 #include <linux/module.h>
 
 #include <asm/octeon/cvmx.h>
-#include <asm/octeon/cvmx-spinlock.h>
 #include <asm/octeon/cvmx-sysinfo.h>
 
-/**
+/*
  * This structure defines the private state maintained by sysinfo module.
- *
  */
-static struct {
-	struct cvmx_sysinfo sysinfo;	   /* system information */
-	cvmx_spinlock_t lock;	   /* mutex spinlock */
-
-} state = {
-	.lock = CVMX_SPINLOCK_UNLOCKED_INITIALIZER
-};
-
+static struct cvmx_sysinfo sysinfo;	   /* system information */
 
 /*
- * Global variables that define the min/max of the memory region set
- * up for 32 bit userspace access.
- */
-uint64_t linux_mem32_min;
-uint64_t linux_mem32_max;
-uint64_t linux_mem32_wired;
-uint64_t linux_mem32_offset;
-
-/**
- * This function returns the application information as obtained
+ * Returns the application information as obtained
  * by the bootloader.  This provides the core mask of the cores
  * running the same application image, as well as the physical
  * memory regions available to the core.
- *
- * Returns  Pointer to the boot information structure
- *
  */
 struct cvmx_sysinfo *cvmx_sysinfo_get(void)
 {
-	return &(state.sysinfo);
+	return &sysinfo;
 }
 EXPORT_SYMBOL(cvmx_sysinfo_get);
 
-/**
- * This function is used in non-simple executive environments (such as
- * Linux kernel, u-boot, etc.)	to configure the minimal fields that
- * are required to use simple executive files directly.
- *
- * Locking (if required) must be handled outside of this
- * function
- *
- * @phy_mem_desc_ptr:
- *		     Pointer to global physical memory descriptor
- *		     (bootmem descriptor) @board_type: Octeon board
- *		     type enumeration
- *
- * @board_rev_major:
- *		     Board major revision
- * @board_rev_minor:
- *		     Board minor revision
- * @cpu_clock_hz:
- *		     CPU clock freqency in hertz
- *
- * Returns 0: Failure
- *	   1: success
- */
-int cvmx_sysinfo_minimal_initialize(void *phy_mem_desc_ptr,
-				    uint16_t board_type,
-				    uint8_t board_rev_major,
-				    uint8_t board_rev_minor,
-				    uint32_t cpu_clock_hz)
-{
-
-	/* The sysinfo structure was already initialized */
-	if (state.sysinfo.board_type)
-		return 0;
-
-	memset(&(state.sysinfo), 0x0, sizeof(state.sysinfo));
-	state.sysinfo.phy_mem_desc_ptr = phy_mem_desc_ptr;
-	state.sysinfo.board_type = board_type;
-	state.sysinfo.board_rev_major = board_rev_major;
-	state.sysinfo.board_rev_minor = board_rev_minor;
-	state.sysinfo.cpu_clock_hz = cpu_clock_hz;
-
-	return 1;
-}
diff --git a/arch/mips/cavium-octeon/executive/octeon-model.c b/arch/mips/cavium-octeon/executive/octeon-model.c
index b2104bd9a..d08a2bce6 100644
--- a/arch/mips/cavium-octeon/executive/octeon-model.c
+++ b/arch/mips/cavium-octeon/executive/octeon-model.c
@@ -71,11 +71,11 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id,
 	uint32_t fuse_data = 0;
 
 	fus3.u64 = 0;
-	if (!OCTEON_IS_MODEL(OCTEON_CN6XXX))
+	if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN5XXX))
 		fus3.u64 = cvmx_read_csr(CVMX_L2D_FUS3);
 	fus_dat2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
 	fus_dat3.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT3);
-	num_cores = cvmx_pop(cvmx_read_csr(CVMX_CIU_FUSE));
+	num_cores = cvmx_octeon_num_cores();
 
 	/* Make sure the non existent devices look disabled */
 	switch ((chip_id >> 8) & 0xff) {
@@ -121,6 +121,15 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id,
 	 * later.
 	 */
 	switch (num_cores) {
+	case 48:
+		core_model = "90";
+		break;
+	case 44:
+		core_model = "88";
+		break;
+	case 40:
+		core_model = "85";
+		break;
 	case 32:
 		core_model = "80";
 		break;
@@ -297,7 +306,7 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id,
 				if (fus_dat3.s.nozip)
 					suffix = "SCP";
 
-				if (fus_dat3.s.bar2_en)
+				if (fus_dat3.cn56xx.bar2_en)
 					suffix = "NSPB2";
 			}
 			if (fus3.cn56xx.crip_1024k)
@@ -369,6 +378,73 @@ static const char *__init octeon_model_get_string_buffer(uint32_t chip_id,
 		else
 			suffix = "AAP";
 		break;
+	case 0x94:		/* CNF71XX */
+		family = "F71";
+		if (fus_dat3.cnf71xx.nozip)
+			suffix = "SCP";
+		else
+			suffix = "AAP";
+		break;
+	case 0x95:		/* CN78XX */
+		if (num_cores == 6)	/* Other core counts match generic */
+			core_model = "35";
+		if (OCTEON_IS_MODEL(OCTEON_CN76XX))
+			family = "76";
+		else
+			family = "78";
+		if (fus_dat3.cn78xx.l2c_crip == 2)
+			family = "77";
+		if (fus_dat3.cn78xx.nozip
+		    && fus_dat3.cn78xx.nodfa_dte
+		    && fus_dat3.cn78xx.nohna_dte) {
+			if (fus_dat3.cn78xx.nozip &&
+				!fus_dat2.cn78xx.raid_en &&
+				fus_dat3.cn78xx.nohna_dte) {
+				suffix = "CP";
+			} else {
+				suffix = "SCP";
+			}
+		} else if (fus_dat2.cn78xx.raid_en == 0)
+			suffix = "HCP";
+		else
+			suffix = "AAP";
+		break;
+	case 0x96:		/* CN70XX */
+		family = "70";
+		if (cvmx_read_csr(CVMX_MIO_FUS_PDF) & (0x1ULL << 32))
+			family = "71";
+		if (fus_dat2.cn70xx.nocrypto)
+			suffix = "CP";
+		else if (fus_dat3.cn70xx.nodfa_dte)
+			suffix = "SCP";
+		else
+			suffix = "AAP";
+		break;
+	case 0x97:		/* CN73XX */
+		if (num_cores == 6)	/* Other core counts match generic */
+			core_model = "35";
+		family = "73";
+		if (fus_dat3.cn73xx.l2c_crip == 2)
+			family = "72";
+		if (fus_dat3.cn73xx.nozip
+				&& fus_dat3.cn73xx.nodfa_dte
+				&& fus_dat3.cn73xx.nohna_dte) {
+			if (!fus_dat2.cn73xx.raid_en)
+				suffix = "CP";
+			else
+				suffix = "SCP";
+		} else
+			suffix = "AAP";
+		break;
+	case 0x98:		/* CN75XX */
+		family = "F75";
+		if (fus_dat3.cn78xx.nozip
+		    && fus_dat3.cn78xx.nodfa_dte
+		    && fus_dat3.cn78xx.nohna_dte)
+			suffix = "SCP";
+		else
+			suffix = "AAP";
+		break;
 	default:
 		family = "XX";
 		core_model = "XX";
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index 4f9eb0576..368eb4903 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 2004-2014 Cavium, Inc.
+ * Copyright (C) 2004-2016 Cavium, Inc.
  */
 
 #include <linux/of_address.h>
@@ -19,16 +19,53 @@
 
 #include <asm/octeon/octeon.h>
 #include <asm/octeon/cvmx-ciu2-defs.h>
+#include <asm/octeon/cvmx-ciu3-defs.h>
 
 static DEFINE_PER_CPU(unsigned long, octeon_irq_ciu0_en_mirror);
 static DEFINE_PER_CPU(unsigned long, octeon_irq_ciu1_en_mirror);
 static DEFINE_PER_CPU(raw_spinlock_t, octeon_irq_ciu_spinlock);
+static DEFINE_PER_CPU(unsigned int, octeon_irq_ciu3_idt_ip2);
+
+static DEFINE_PER_CPU(unsigned int, octeon_irq_ciu3_idt_ip3);
+static DEFINE_PER_CPU(struct octeon_ciu3_info *, octeon_ciu3_info);
+#define CIU3_MBOX_PER_CORE 10
+
+/*
+ * The 8 most significant bits of the intsn identify the interrupt major block.
+ * Each major block might use its own interrupt domain. Thus 256 domains are
+ * needed.
+ */
+#define MAX_CIU3_DOMAINS		256
+
+typedef irq_hw_number_t (*octeon_ciu3_intsn2hw_t)(struct irq_domain *, unsigned int);
+
+/* Information for each ciu3 in the system */
+struct octeon_ciu3_info {
+	u64			ciu3_addr;
+	int			node;
+	struct irq_domain	*domain[MAX_CIU3_DOMAINS];
+	octeon_ciu3_intsn2hw_t	intsn2hw[MAX_CIU3_DOMAINS];
+};
+
+/* Each ciu3 in the system uses its own data (one ciu3 per node) */
+static struct octeon_ciu3_info	*octeon_ciu3_info_per_node[4];
 
 struct octeon_irq_ciu_domain_data {
 	int num_sum;  /* number of sum registers (2 or 3). */
 };
 
-static __read_mostly u8 octeon_irq_ciu_to_irq[8][64];
+/* Register offsets from ciu3_addr */
+#define CIU3_CONST		0x220
+#define CIU3_IDT_CTL(_idt)	((_idt) * 8 + 0x110000)
+#define CIU3_IDT_PP(_idt, _idx)	((_idt) * 32 + (_idx) * 8 + 0x120000)
+#define CIU3_IDT_IO(_idt)	((_idt) * 8 + 0x130000)
+#define CIU3_DEST_PP_INT(_pp_ip) ((_pp_ip) * 8 + 0x200000)
+#define CIU3_DEST_IO_INT(_io)	((_io) * 8 + 0x210000)
+#define CIU3_ISC_CTL(_intsn)	((_intsn) * 8 + 0x80000000)
+#define CIU3_ISC_W1C(_intsn)	((_intsn) * 8 + 0x90000000)
+#define CIU3_ISC_W1S(_intsn)	((_intsn) * 8 + 0xa0000000)
+
+static __read_mostly int octeon_irq_ciu_to_irq[8][64];
 
 struct octeon_ciu_chip_data {
 	union {
@@ -39,10 +76,11 @@ struct octeon_ciu_chip_data {
 		struct {		/* only used for ciu/ciu2 */
 			u8 line;
 			u8 bit;
-			u8 gpio_line;
 		};
 	};
+	int gpio_line;
 	int current_cpu;	/* Next CPU expected to take this irq */
+	int ciu_node; /* NUMA node number of the CIU */
 };
 
 struct octeon_core_chip_data {
@@ -626,6 +664,18 @@ static void octeon_irq_ciu_enable_all_v2(struct irq_data *data)
 	}
 }
 
+static int octeon_irq_ciu_set_type(struct irq_data *data, unsigned int t)
+{
+	irqd_set_trigger_type(data, t);
+
+	if (t & IRQ_TYPE_EDGE_BOTH)
+		irq_set_handler_locked(data, handle_edge_irq);
+	else
+		irq_set_handler_locked(data, handle_level_irq);
+
+	return IRQ_SET_MASK_OK;
+}
+
 static void octeon_irq_gpio_setup(struct irq_data *data)
 {
 	union cvmx_gpio_bit_cfgx cfg;
@@ -663,7 +713,7 @@ static int octeon_irq_ciu_gpio_set_type(struct irq_data *data, unsigned int t)
 	irqd_set_trigger_type(data, t);
 	octeon_irq_gpio_setup(data);
 
-	if (irqd_get_trigger_type(data) & IRQ_TYPE_EDGE_BOTH)
+	if (t & IRQ_TYPE_EDGE_BOTH)
 		irq_set_handler_locked(data, handle_edge_irq);
 	else
 		irq_set_handler_locked(data, handle_level_irq);
@@ -863,6 +913,16 @@ static int octeon_irq_ciu_set_affinity_sum2(struct irq_data *data,
 }
 #endif
 
+static unsigned int edge_startup(struct irq_data *data)
+{
+	/* ack any pending edge-irq at startup, so there is
+	 * an _edge_ to fire on when the event reappears.
+	 */
+	data->chip->irq_ack(data);
+	data->chip->irq_enable(data);
+	return 0;
+}
+
 /*
  * Newer octeon chips have support for lockless CIU operation.
  */
@@ -1158,16 +1218,6 @@ static struct irq_chip *octeon_irq_ciu_chip;
 static struct irq_chip *octeon_irq_ciu_chip_edge;
 static struct irq_chip *octeon_irq_gpio_chip;
 
-static bool octeon_irq_virq_in_range(unsigned int virq)
-{
-	/* We cannot let it overflow the mapping array. */
-	if (virq < (1ul << 8 * sizeof(octeon_irq_ciu_to_irq[0][0])))
-		return true;
-
-	WARN_ONCE(true, "virq out of range %u.\n", virq);
-	return false;
-}
-
 static int octeon_irq_ciu_map(struct irq_domain *d,
 			      unsigned int virq, irq_hw_number_t hw)
 {
@@ -1176,13 +1226,6 @@ static int octeon_irq_ciu_map(struct irq_domain *d,
 	unsigned int bit = hw & 63;
 	struct octeon_irq_ciu_domain_data *dd = d->host_data;
 
-	if (!octeon_irq_virq_in_range(virq))
-		return -EINVAL;
-
-	/* Don't map irq if it is reserved for GPIO. */
-	if (line == 0 && bit >= 16 && bit <32)
-		return 0;
-
 	if (line >= dd->num_sum || octeon_irq_ciu_to_irq[line][bit] != 0)
 		return -EINVAL;
 
@@ -1215,9 +1258,6 @@ static int octeon_irq_gpio_map(struct irq_domain *d,
 	unsigned int line, bit;
 	int r;
 
-	if (!octeon_irq_virq_in_range(virq))
-		return -EINVAL;
-
 	line = (hw + gpiod->base_hwirq) >> 6;
 	bit = (hw + gpiod->base_hwirq) & 63;
 	if (line > ARRAY_SIZE(octeon_irq_ciu_to_irq) ||
@@ -1899,9 +1939,6 @@ static int octeon_irq_ciu2_map(struct irq_domain *d,
 	unsigned int line = hw >> 6;
 	unsigned int bit = hw & 63;
 
-	if (!octeon_irq_virq_in_range(virq))
-		return -EINVAL;
-
 	/*
 	 * Don't map irq if it is reserved for GPIO.
 	 * (Line 7 are the GPIO lines.)
@@ -2294,10 +2331,598 @@ static int __init octeon_irq_init_cib(struct device_node *ciu_node,
 	return 0;
 }
 
+int octeon_irq_ciu3_xlat(struct irq_domain *d,
+			 struct device_node *node,
+			 const u32 *intspec,
+			 unsigned int intsize,
+			 unsigned long *out_hwirq,
+			 unsigned int *out_type)
+{
+	struct octeon_ciu3_info *ciu3_info = d->host_data;
+	unsigned int hwirq, type, intsn_major;
+	union cvmx_ciu3_iscx_ctl isc;
+
+	if (intsize < 2)
+		return -EINVAL;
+	hwirq = intspec[0];
+	type = intspec[1];
+
+	if (hwirq >= (1 << 20))
+		return -EINVAL;
+
+	intsn_major = hwirq >> 12;
+	switch (intsn_major) {
+	case 0x04: /* Software handled separately. */
+		return -EINVAL;
+	default:
+		break;
+	}
+
+	isc.u64 =  cvmx_read_csr(ciu3_info->ciu3_addr + CIU3_ISC_CTL(hwirq));
+	if (!isc.s.imp)
+		return -EINVAL;
+
+	switch (type) {
+	case 4: /* official value for level triggering. */
+		*out_type = IRQ_TYPE_LEVEL_HIGH;
+		break;
+	case 0: /* unofficial value, but we might as well let it work. */
+	case 1: /* official value for edge triggering. */
+		*out_type = IRQ_TYPE_EDGE_RISING;
+		break;
+	default: /* Nothing else is acceptable. */
+		return -EINVAL;
+	}
+
+	*out_hwirq = hwirq;
+
+	return 0;
+}
+
+void octeon_irq_ciu3_enable(struct irq_data *data)
+{
+	int cpu;
+	union cvmx_ciu3_iscx_ctl isc_ctl;
+	union cvmx_ciu3_iscx_w1c isc_w1c;
+	u64 isc_ctl_addr;
+
+	struct octeon_ciu_chip_data *cd;
+
+	cpu = next_cpu_for_irq(data);
+
+	cd = irq_data_get_irq_chip_data(data);
+
+	isc_w1c.u64 = 0;
+	isc_w1c.s.en = 1;
+	cvmx_write_csr(cd->ciu3_addr + CIU3_ISC_W1C(cd->intsn), isc_w1c.u64);
+
+	isc_ctl_addr = cd->ciu3_addr + CIU3_ISC_CTL(cd->intsn);
+	isc_ctl.u64 = 0;
+	isc_ctl.s.en = 1;
+	isc_ctl.s.idt = per_cpu(octeon_irq_ciu3_idt_ip2, cpu);
+	cvmx_write_csr(isc_ctl_addr, isc_ctl.u64);
+	cvmx_read_csr(isc_ctl_addr);
+}
+
+void octeon_irq_ciu3_disable(struct irq_data *data)
+{
+	u64 isc_ctl_addr;
+	union cvmx_ciu3_iscx_w1c isc_w1c;
+
+	struct octeon_ciu_chip_data *cd;
+
+	cd = irq_data_get_irq_chip_data(data);
+
+	isc_w1c.u64 = 0;
+	isc_w1c.s.en = 1;
+
+	isc_ctl_addr = cd->ciu3_addr + CIU3_ISC_CTL(cd->intsn);
+	cvmx_write_csr(cd->ciu3_addr + CIU3_ISC_W1C(cd->intsn), isc_w1c.u64);
+	cvmx_write_csr(isc_ctl_addr, 0);
+	cvmx_read_csr(isc_ctl_addr);
+}
+
+void octeon_irq_ciu3_ack(struct irq_data *data)
+{
+	u64 isc_w1c_addr;
+	union cvmx_ciu3_iscx_w1c isc_w1c;
+	struct octeon_ciu_chip_data *cd;
+	u32 trigger_type = irqd_get_trigger_type(data);
+
+	/*
+	 * We use a single irq_chip, so we have to do nothing to ack a
+	 * level interrupt.
+	 */
+	if (!(trigger_type & IRQ_TYPE_EDGE_BOTH))
+		return;
+
+	cd = irq_data_get_irq_chip_data(data);
+
+	isc_w1c.u64 = 0;
+	isc_w1c.s.raw = 1;
+
+	isc_w1c_addr = cd->ciu3_addr + CIU3_ISC_W1C(cd->intsn);
+	cvmx_write_csr(isc_w1c_addr, isc_w1c.u64);
+	cvmx_read_csr(isc_w1c_addr);
+}
+
+void octeon_irq_ciu3_mask(struct irq_data *data)
+{
+	union cvmx_ciu3_iscx_w1c isc_w1c;
+	u64 isc_w1c_addr;
+	struct octeon_ciu_chip_data *cd;
+
+	cd = irq_data_get_irq_chip_data(data);
+
+	isc_w1c.u64 = 0;
+	isc_w1c.s.en = 1;
+
+	isc_w1c_addr = cd->ciu3_addr + CIU3_ISC_W1C(cd->intsn);
+	cvmx_write_csr(isc_w1c_addr, isc_w1c.u64);
+	cvmx_read_csr(isc_w1c_addr);
+}
+
+void octeon_irq_ciu3_mask_ack(struct irq_data *data)
+{
+	union cvmx_ciu3_iscx_w1c isc_w1c;
+	u64 isc_w1c_addr;
+	struct octeon_ciu_chip_data *cd;
+	u32 trigger_type = irqd_get_trigger_type(data);
+
+	cd = irq_data_get_irq_chip_data(data);
+
+	isc_w1c.u64 = 0;
+	isc_w1c.s.en = 1;
+
+	/*
+	 * We use a single irq_chip, so only ack an edge (!level)
+	 * interrupt.
+	 */
+	if (trigger_type & IRQ_TYPE_EDGE_BOTH)
+		isc_w1c.s.raw = 1;
+
+	isc_w1c_addr = cd->ciu3_addr + CIU3_ISC_W1C(cd->intsn);
+	cvmx_write_csr(isc_w1c_addr, isc_w1c.u64);
+	cvmx_read_csr(isc_w1c_addr);
+}
+
+#ifdef CONFIG_SMP
+int octeon_irq_ciu3_set_affinity(struct irq_data *data,
+				 const struct cpumask *dest, bool force)
+{
+	union cvmx_ciu3_iscx_ctl isc_ctl;
+	union cvmx_ciu3_iscx_w1c isc_w1c;
+	u64 isc_ctl_addr;
+	int cpu;
+	bool enable_one = !irqd_irq_disabled(data) && !irqd_irq_masked(data);
+	struct octeon_ciu_chip_data *cd = irq_data_get_irq_chip_data(data);
+
+	if (!cpumask_subset(dest, cpumask_of_node(cd->ciu_node)))
+		return -EINVAL;
+
+	if (!enable_one)
+		return IRQ_SET_MASK_OK;
+
+	cd = irq_data_get_irq_chip_data(data);
+	cpu = cpumask_first(dest);
+	if (cpu >= nr_cpu_ids)
+		cpu = smp_processor_id();
+	cd->current_cpu = cpu;
+
+	isc_w1c.u64 = 0;
+	isc_w1c.s.en = 1;
+	cvmx_write_csr(cd->ciu3_addr + CIU3_ISC_W1C(cd->intsn), isc_w1c.u64);
+
+	isc_ctl_addr = cd->ciu3_addr + CIU3_ISC_CTL(cd->intsn);
+	isc_ctl.u64 = 0;
+	isc_ctl.s.en = 1;
+	isc_ctl.s.idt = per_cpu(octeon_irq_ciu3_idt_ip2, cpu);
+	cvmx_write_csr(isc_ctl_addr, isc_ctl.u64);
+	cvmx_read_csr(isc_ctl_addr);
+
+	return IRQ_SET_MASK_OK;
+}
+#endif
+
+static struct irq_chip octeon_irq_chip_ciu3 = {
+	.name = "CIU3",
+	.irq_startup = edge_startup,
+	.irq_enable = octeon_irq_ciu3_enable,
+	.irq_disable = octeon_irq_ciu3_disable,
+	.irq_ack = octeon_irq_ciu3_ack,
+	.irq_mask = octeon_irq_ciu3_mask,
+	.irq_mask_ack = octeon_irq_ciu3_mask_ack,
+	.irq_unmask = octeon_irq_ciu3_enable,
+	.irq_set_type = octeon_irq_ciu_set_type,
+#ifdef CONFIG_SMP
+	.irq_set_affinity = octeon_irq_ciu3_set_affinity,
+	.irq_cpu_offline = octeon_irq_cpu_offline_ciu,
+#endif
+};
+
+int octeon_irq_ciu3_mapx(struct irq_domain *d, unsigned int virq,
+			 irq_hw_number_t hw, struct irq_chip *chip)
+{
+	struct octeon_ciu3_info *ciu3_info = d->host_data;
+	struct octeon_ciu_chip_data *cd = kzalloc_node(sizeof(*cd), GFP_KERNEL,
+						       ciu3_info->node);
+	if (!cd)
+		return -ENOMEM;
+	cd->intsn = hw;
+	cd->current_cpu = -1;
+	cd->ciu3_addr = ciu3_info->ciu3_addr;
+	cd->ciu_node = ciu3_info->node;
+	irq_set_chip_and_handler(virq, chip, handle_edge_irq);
+	irq_set_chip_data(virq, cd);
+
+	return 0;
+}
+
+static int octeon_irq_ciu3_map(struct irq_domain *d,
+			       unsigned int virq, irq_hw_number_t hw)
+{
+	return octeon_irq_ciu3_mapx(d, virq, hw, &octeon_irq_chip_ciu3);
+}
+
+static struct irq_domain_ops octeon_dflt_domain_ciu3_ops = {
+	.map = octeon_irq_ciu3_map,
+	.unmap = octeon_irq_free_cd,
+	.xlate = octeon_irq_ciu3_xlat,
+};
+
+static void octeon_irq_ciu3_ip2(void)
+{
+	union cvmx_ciu3_destx_pp_int dest_pp_int;
+	struct octeon_ciu3_info *ciu3_info;
+	u64 ciu3_addr;
+
+	ciu3_info = __this_cpu_read(octeon_ciu3_info);
+	ciu3_addr = ciu3_info->ciu3_addr;
+
+	dest_pp_int.u64 = cvmx_read_csr(ciu3_addr + CIU3_DEST_PP_INT(3 * cvmx_get_local_core_num()));
+
+	if (likely(dest_pp_int.s.intr)) {
+		irq_hw_number_t intsn = dest_pp_int.s.intsn;
+		irq_hw_number_t hw;
+		struct irq_domain *domain;
+		/* Get the domain to use from the major block */
+		int block = intsn >> 12;
+		int ret;
+
+		domain = ciu3_info->domain[block];
+		if (ciu3_info->intsn2hw[block])
+			hw = ciu3_info->intsn2hw[block](domain, intsn);
+		else
+			hw = intsn;
+
+		ret = handle_domain_irq(domain, hw, NULL);
+		if (ret < 0) {
+			union cvmx_ciu3_iscx_w1c isc_w1c;
+			u64 isc_w1c_addr = ciu3_addr + CIU3_ISC_W1C(intsn);
+
+			isc_w1c.u64 = 0;
+			isc_w1c.s.en = 1;
+			cvmx_write_csr(isc_w1c_addr, isc_w1c.u64);
+			cvmx_read_csr(isc_w1c_addr);
+			spurious_interrupt();
+		}
+	} else {
+		spurious_interrupt();
+	}
+}
+
+/*
+ * 10 mbox per core starting from zero.
+ * Base mbox is core * 10
+ */
+static unsigned int octeon_irq_ciu3_base_mbox_intsn(int core)
+{
+	/* SW (mbox) are 0x04 in bits 12..19 */
+	return 0x04000 + CIU3_MBOX_PER_CORE * core;
+}
+
+static unsigned int octeon_irq_ciu3_mbox_intsn_for_core(int core, unsigned int mbox)
+{
+	return octeon_irq_ciu3_base_mbox_intsn(core) + mbox;
+}
+
+static unsigned int octeon_irq_ciu3_mbox_intsn_for_cpu(int cpu, unsigned int mbox)
+{
+	int local_core = octeon_coreid_for_cpu(cpu) & 0x3f;
+
+	return octeon_irq_ciu3_mbox_intsn_for_core(local_core, mbox);
+}
+
+static void octeon_irq_ciu3_mbox(void)
+{
+	union cvmx_ciu3_destx_pp_int dest_pp_int;
+	struct octeon_ciu3_info *ciu3_info;
+	u64 ciu3_addr;
+	int core = cvmx_get_local_core_num();
+
+	ciu3_info = __this_cpu_read(octeon_ciu3_info);
+	ciu3_addr = ciu3_info->ciu3_addr;
+
+	dest_pp_int.u64 = cvmx_read_csr(ciu3_addr + CIU3_DEST_PP_INT(1 + 3 * core));
+
+	if (likely(dest_pp_int.s.intr)) {
+		irq_hw_number_t intsn = dest_pp_int.s.intsn;
+		int mbox = intsn - octeon_irq_ciu3_base_mbox_intsn(core);
+
+		if (likely(mbox >= 0 && mbox < CIU3_MBOX_PER_CORE)) {
+			do_IRQ(mbox + OCTEON_IRQ_MBOX0);
+		} else {
+			union cvmx_ciu3_iscx_w1c isc_w1c;
+			u64 isc_w1c_addr = ciu3_addr + CIU3_ISC_W1C(intsn);
+
+			isc_w1c.u64 = 0;
+			isc_w1c.s.en = 1;
+			cvmx_write_csr(isc_w1c_addr, isc_w1c.u64);
+			cvmx_read_csr(isc_w1c_addr);
+			spurious_interrupt();
+		}
+	} else {
+		spurious_interrupt();
+	}
+}
+
+void octeon_ciu3_mbox_send(int cpu, unsigned int mbox)
+{
+	struct octeon_ciu3_info *ciu3_info;
+	unsigned int intsn;
+	union cvmx_ciu3_iscx_w1s isc_w1s;
+	u64 isc_w1s_addr;
+
+	if (WARN_ON_ONCE(mbox >= CIU3_MBOX_PER_CORE))
+		return;
+
+	intsn = octeon_irq_ciu3_mbox_intsn_for_cpu(cpu, mbox);
+	ciu3_info = per_cpu(octeon_ciu3_info, cpu);
+	isc_w1s_addr = ciu3_info->ciu3_addr + CIU3_ISC_W1S(intsn);
+
+	isc_w1s.u64 = 0;
+	isc_w1s.s.raw = 1;
+
+	cvmx_write_csr(isc_w1s_addr, isc_w1s.u64);
+	cvmx_read_csr(isc_w1s_addr);
+}
+
+static void octeon_irq_ciu3_mbox_set_enable(struct irq_data *data, int cpu, bool en)
+{
+	struct octeon_ciu3_info *ciu3_info;
+	unsigned int intsn;
+	u64 isc_ctl_addr, isc_w1c_addr;
+	union cvmx_ciu3_iscx_ctl isc_ctl;
+	unsigned int mbox = data->irq - OCTEON_IRQ_MBOX0;
+
+	intsn = octeon_irq_ciu3_mbox_intsn_for_cpu(cpu, mbox);
+	ciu3_info = per_cpu(octeon_ciu3_info, cpu);
+	isc_w1c_addr = ciu3_info->ciu3_addr + CIU3_ISC_W1C(intsn);
+	isc_ctl_addr = ciu3_info->ciu3_addr + CIU3_ISC_CTL(intsn);
+
+	isc_ctl.u64 = 0;
+	isc_ctl.s.en = 1;
+
+	cvmx_write_csr(isc_w1c_addr, isc_ctl.u64);
+	cvmx_write_csr(isc_ctl_addr, 0);
+	if (en) {
+		unsigned int idt = per_cpu(octeon_irq_ciu3_idt_ip3, cpu);
+
+		isc_ctl.u64 = 0;
+		isc_ctl.s.en = 1;
+		isc_ctl.s.idt = idt;
+		cvmx_write_csr(isc_ctl_addr, isc_ctl.u64);
+	}
+	cvmx_read_csr(isc_ctl_addr);
+}
+
+static void octeon_irq_ciu3_mbox_enable(struct irq_data *data)
+{
+	int cpu;
+	unsigned int mbox = data->irq - OCTEON_IRQ_MBOX0;
+
+	WARN_ON(mbox >= CIU3_MBOX_PER_CORE);
+
+	for_each_online_cpu(cpu)
+		octeon_irq_ciu3_mbox_set_enable(data, cpu, true);
+}
+
+static void octeon_irq_ciu3_mbox_disable(struct irq_data *data)
+{
+	int cpu;
+	unsigned int mbox = data->irq - OCTEON_IRQ_MBOX0;
+
+	WARN_ON(mbox >= CIU3_MBOX_PER_CORE);
+
+	for_each_online_cpu(cpu)
+		octeon_irq_ciu3_mbox_set_enable(data, cpu, false);
+}
+
+static void octeon_irq_ciu3_mbox_ack(struct irq_data *data)
+{
+	struct octeon_ciu3_info *ciu3_info;
+	unsigned int intsn;
+	u64 isc_w1c_addr;
+	union cvmx_ciu3_iscx_w1c isc_w1c;
+	unsigned int mbox = data->irq - OCTEON_IRQ_MBOX0;
+
+	intsn = octeon_irq_ciu3_mbox_intsn_for_core(cvmx_get_local_core_num(), mbox);
+
+	isc_w1c.u64 = 0;
+	isc_w1c.s.raw = 1;
+
+	ciu3_info = __this_cpu_read(octeon_ciu3_info);
+	isc_w1c_addr = ciu3_info->ciu3_addr + CIU3_ISC_W1C(intsn);
+	cvmx_write_csr(isc_w1c_addr, isc_w1c.u64);
+	cvmx_read_csr(isc_w1c_addr);
+}
+
+static void octeon_irq_ciu3_mbox_cpu_online(struct irq_data *data)
+{
+	octeon_irq_ciu3_mbox_set_enable(data, smp_processor_id(), true);
+}
+
+static void octeon_irq_ciu3_mbox_cpu_offline(struct irq_data *data)
+{
+	octeon_irq_ciu3_mbox_set_enable(data, smp_processor_id(), false);
+}
+
+static int octeon_irq_ciu3_alloc_resources(struct octeon_ciu3_info *ciu3_info)
+{
+	u64 b = ciu3_info->ciu3_addr;
+	int idt_ip2, idt_ip3, idt_ip4;
+	int unused_idt2;
+	int core = cvmx_get_local_core_num();
+	int i;
+
+	__this_cpu_write(octeon_ciu3_info, ciu3_info);
+
+	/*
+	 * 4 idt per core starting from 1 because zero is reserved.
+	 * Base idt per core is 4 * core + 1
+	 */
+	idt_ip2 = core * 4 + 1;
+	idt_ip3 = core * 4 + 2;
+	idt_ip4 = core * 4 + 3;
+	unused_idt2 = core * 4 + 4;
+	__this_cpu_write(octeon_irq_ciu3_idt_ip2, idt_ip2);
+	__this_cpu_write(octeon_irq_ciu3_idt_ip3, idt_ip3);
+
+	/* ip2 interrupts for this CPU */
+	cvmx_write_csr(b + CIU3_IDT_CTL(idt_ip2), 0);
+	cvmx_write_csr(b + CIU3_IDT_PP(idt_ip2, 0), 1ull << core);
+	cvmx_write_csr(b + CIU3_IDT_IO(idt_ip2), 0);
+
+	/* ip3 interrupts for this CPU */
+	cvmx_write_csr(b + CIU3_IDT_CTL(idt_ip3), 1);
+	cvmx_write_csr(b + CIU3_IDT_PP(idt_ip3, 0), 1ull << core);
+	cvmx_write_csr(b + CIU3_IDT_IO(idt_ip3), 0);
+
+	/* ip4 interrupts for this CPU */
+	cvmx_write_csr(b + CIU3_IDT_CTL(idt_ip4), 2);
+	cvmx_write_csr(b + CIU3_IDT_PP(idt_ip4, 0), 0);
+	cvmx_write_csr(b + CIU3_IDT_IO(idt_ip4), 0);
+
+	cvmx_write_csr(b + CIU3_IDT_CTL(unused_idt2), 0);
+	cvmx_write_csr(b + CIU3_IDT_PP(unused_idt2, 0), 0);
+	cvmx_write_csr(b + CIU3_IDT_IO(unused_idt2), 0);
+
+	for (i = 0; i < CIU3_MBOX_PER_CORE; i++) {
+		unsigned int intsn = octeon_irq_ciu3_mbox_intsn_for_core(core, i);
+
+		cvmx_write_csr(b + CIU3_ISC_W1C(intsn), 2);
+		cvmx_write_csr(b + CIU3_ISC_CTL(intsn), 0);
+	}
+
+	return 0;
+}
+
+static void octeon_irq_setup_secondary_ciu3(void)
+{
+	struct octeon_ciu3_info *ciu3_info;
+
+	ciu3_info = octeon_ciu3_info_per_node[cvmx_get_node_num()];
+	octeon_irq_ciu3_alloc_resources(ciu3_info);
+	irq_cpu_online();
+
+	/* Enable the CIU lines */
+	set_c0_status(STATUSF_IP3 | STATUSF_IP2);
+	if (octeon_irq_use_ip4)
+		set_c0_status(STATUSF_IP4);
+	else
+		clear_c0_status(STATUSF_IP4);
+}
+
+static struct irq_chip octeon_irq_chip_ciu3_mbox = {
+	.name = "CIU3-M",
+	.irq_enable = octeon_irq_ciu3_mbox_enable,
+	.irq_disable = octeon_irq_ciu3_mbox_disable,
+	.irq_ack = octeon_irq_ciu3_mbox_ack,
+
+	.irq_cpu_online = octeon_irq_ciu3_mbox_cpu_online,
+	.irq_cpu_offline = octeon_irq_ciu3_mbox_cpu_offline,
+	.flags = IRQCHIP_ONOFFLINE_ENABLED,
+};
+
+static int __init octeon_irq_init_ciu3(struct device_node *ciu_node,
+				       struct device_node *parent)
+{
+	int i;
+	int node;
+	struct irq_domain *domain;
+	struct octeon_ciu3_info *ciu3_info;
+	const __be32 *zero_addr;
+	u64 base_addr;
+	union cvmx_ciu3_const consts;
+
+	node = 0; /* of_node_to_nid(ciu_node); */
+	ciu3_info = kzalloc_node(sizeof(*ciu3_info), GFP_KERNEL, node);
+
+	if (!ciu3_info)
+		return -ENOMEM;
+
+	zero_addr = of_get_address(ciu_node, 0, NULL, NULL);
+	if (WARN_ON(!zero_addr))
+		return -EINVAL;
+
+	base_addr = of_translate_address(ciu_node, zero_addr);
+	base_addr = (u64)phys_to_virt(base_addr);
+
+	ciu3_info->ciu3_addr = base_addr;
+	ciu3_info->node = node;
+
+	consts.u64 = cvmx_read_csr(base_addr + CIU3_CONST);
+
+	octeon_irq_setup_secondary = octeon_irq_setup_secondary_ciu3;
+
+	octeon_irq_ip2 = octeon_irq_ciu3_ip2;
+	octeon_irq_ip3 = octeon_irq_ciu3_mbox;
+	octeon_irq_ip4 = octeon_irq_ip4_mask;
+
+	if (node == cvmx_get_node_num()) {
+		/* Mips internal */
+		octeon_irq_init_core();
+
+		/* Only do per CPU things if it is the CIU of the boot node. */
+		i = irq_alloc_descs_from(OCTEON_IRQ_MBOX0, 8, node);
+		WARN_ON(i < 0);
+
+		for (i = 0; i < 8; i++)
+			irq_set_chip_and_handler(i + OCTEON_IRQ_MBOX0,
+						 &octeon_irq_chip_ciu3_mbox, handle_percpu_irq);
+	}
+
+	/*
+	 * Initialize all domains to use the default domain. Specific major
+	 * blocks will overwrite the default domain as needed.
+	 */
+	domain = irq_domain_add_tree(ciu_node, &octeon_dflt_domain_ciu3_ops,
+				     ciu3_info);
+	for (i = 0; i < MAX_CIU3_DOMAINS; i++)
+		ciu3_info->domain[i] = domain;
+
+	octeon_ciu3_info_per_node[node] = ciu3_info;
+
+	if (node == cvmx_get_node_num()) {
+		/* Only do per CPU things if it is the CIU of the boot node. */
+		octeon_irq_ciu3_alloc_resources(ciu3_info);
+		if (node == 0)
+			irq_set_default_host(domain);
+
+		octeon_irq_use_ip4 = false;
+		/* Enable the CIU lines */
+		set_c0_status(STATUSF_IP2 | STATUSF_IP3);
+		clear_c0_status(STATUSF_IP4);
+	}
+
+	return 0;
+}
+
 static struct of_device_id ciu_types[] __initdata = {
 	{.compatible = "cavium,octeon-3860-ciu", .data = octeon_irq_init_ciu},
 	{.compatible = "cavium,octeon-3860-gpio", .data = octeon_irq_init_gpio},
 	{.compatible = "cavium,octeon-6880-ciu2", .data = octeon_irq_init_ciu2},
+	{.compatible = "cavium,octeon-7890-ciu3", .data = octeon_irq_init_ciu3},
 	{.compatible = "cavium,octeon-7130-cib", .data = octeon_irq_init_cib},
 	{}
 };
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index d113c8ded..7aeafedff 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -13,6 +13,7 @@
 #include <linux/i2c.h>
 #include <linux/usb.h>
 #include <linux/dma-mapping.h>
+#include <linux/etherdevice.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
@@ -525,10 +526,17 @@ static void __init octeon_fdt_set_phy(int eth, int phy_addr)
 
 static void __init octeon_fdt_set_mac_addr(int n, u64 *pmac)
 {
+	const u8 *old_mac;
+	int old_len;
 	u8 new_mac[6];
 	u64 mac = *pmac;
 	int r;
 
+	old_mac = fdt_getprop(initial_boot_params, n, "local-mac-address",
+			      &old_len);
+	if (!old_mac || old_len != 6 || is_valid_ether_addr(old_mac))
+		return;
+
 	new_mac[0] = (mac >> 40) & 0xff;
 	new_mac[1] = (mac >> 32) & 0xff;
 	new_mac[2] = (mac >> 24) & 0xff;
@@ -560,7 +568,7 @@ static void __init octeon_fdt_rm_ethernet(int node)
 	fdt_nop_node(initial_boot_params, node);
 }
 
-static void __init octeon_fdt_pip_port(int iface, int i, int p, int max, u64 *pmac)
+static void __init octeon_fdt_pip_port(int iface, int i, int p, int max)
 {
 	char name_buffer[20];
 	int eth;
@@ -583,10 +591,9 @@ static void __init octeon_fdt_pip_port(int iface, int i, int p, int max, u64 *pm
 
 	phy_addr = cvmx_helper_board_get_mii_address(ipd_port);
 	octeon_fdt_set_phy(eth, phy_addr);
-	octeon_fdt_set_mac_addr(eth, pmac);
 }
 
-static void __init octeon_fdt_pip_iface(int pip, int idx, u64 *pmac)
+static void __init octeon_fdt_pip_iface(int pip, int idx)
 {
 	char name_buffer[20];
 	int iface;
@@ -602,7 +609,73 @@ static void __init octeon_fdt_pip_iface(int pip, int idx, u64 *pmac)
 		count = cvmx_helper_ports_on_interface(idx);
 
 	for (p = 0; p < 16; p++)
-		octeon_fdt_pip_port(iface, idx, p, count - 1, pmac);
+		octeon_fdt_pip_port(iface, idx, p, count - 1);
+}
+
+void __init octeon_fill_mac_addresses(void)
+{
+	const char *alias_prop;
+	char name_buffer[20];
+	u64 mac_addr_base;
+	int aliases;
+	int pip;
+	int i;
+
+	aliases = fdt_path_offset(initial_boot_params, "/aliases");
+	if (aliases < 0)
+		return;
+
+	mac_addr_base =
+		((octeon_bootinfo->mac_addr_base[0] & 0xffull)) << 40 |
+		((octeon_bootinfo->mac_addr_base[1] & 0xffull)) << 32 |
+		((octeon_bootinfo->mac_addr_base[2] & 0xffull)) << 24 |
+		((octeon_bootinfo->mac_addr_base[3] & 0xffull)) << 16 |
+		((octeon_bootinfo->mac_addr_base[4] & 0xffull)) << 8 |
+		 (octeon_bootinfo->mac_addr_base[5] & 0xffull);
+
+	for (i = 0; i < 2; i++) {
+		int mgmt;
+
+		snprintf(name_buffer, sizeof(name_buffer), "mix%d", i);
+		alias_prop = fdt_getprop(initial_boot_params, aliases,
+					 name_buffer, NULL);
+		if (!alias_prop)
+			continue;
+		mgmt = fdt_path_offset(initial_boot_params, alias_prop);
+		if (mgmt < 0)
+			continue;
+		octeon_fdt_set_mac_addr(mgmt, &mac_addr_base);
+	}
+
+	alias_prop = fdt_getprop(initial_boot_params, aliases, "pip", NULL);
+	if (!alias_prop)
+		return;
+
+	pip = fdt_path_offset(initial_boot_params, alias_prop);
+	if (pip < 0)
+		return;
+
+	for (i = 0; i <= 4; i++) {
+		int iface;
+		int p;
+
+		snprintf(name_buffer, sizeof(name_buffer), "interface@%d", i);
+		iface = fdt_subnode_offset(initial_boot_params, pip,
+					   name_buffer);
+		if (iface < 0)
+			continue;
+		for (p = 0; p < 16; p++) {
+			int eth;
+
+			snprintf(name_buffer, sizeof(name_buffer),
+				 "ethernet@%x", p);
+			eth = fdt_subnode_offset(initial_boot_params, iface,
+						 name_buffer);
+			if (eth < 0)
+				continue;
+			octeon_fdt_set_mac_addr(eth, &mac_addr_base);
+		}
+	}
 }
 
 int __init octeon_prune_device_tree(void)
@@ -612,7 +685,6 @@ int __init octeon_prune_device_tree(void)
 	const char *alias_prop;
 	char name_buffer[20];
 	int aliases;
-	u64 mac_addr_base;
 
 	if (fdt_check_header(initial_boot_params))
 		panic("Corrupt Device Tree.");
@@ -623,15 +695,6 @@ int __init octeon_prune_device_tree(void)
 		return -EINVAL;
 	}
 
-
-	mac_addr_base =
-		((octeon_bootinfo->mac_addr_base[0] & 0xffull)) << 40 |
-		((octeon_bootinfo->mac_addr_base[1] & 0xffull)) << 32 |
-		((octeon_bootinfo->mac_addr_base[2] & 0xffull)) << 24 |
-		((octeon_bootinfo->mac_addr_base[3] & 0xffull)) << 16 |
-		((octeon_bootinfo->mac_addr_base[4] & 0xffull)) << 8 |
-		(octeon_bootinfo->mac_addr_base[5] & 0xffull);
-
 	if (OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN63XX))
 		max_port = 2;
 	else if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN68XX))
@@ -660,7 +723,6 @@ int __init octeon_prune_device_tree(void)
 			} else {
 				int phy_addr = cvmx_helper_board_get_mii_address(CVMX_HELPER_BOARD_MGMT_IPD_PORT + i);
 				octeon_fdt_set_phy(mgmt, phy_addr);
-				octeon_fdt_set_mac_addr(mgmt, &mac_addr_base);
 			}
 		}
 	}
@@ -670,7 +732,7 @@ int __init octeon_prune_device_tree(void)
 		int pip = fdt_path_offset(initial_boot_params, pip_path);
 		if (pip	 >= 0)
 			for (i = 0; i <= 4; i++)
-				octeon_fdt_pip_iface(pip, i, &mac_addr_base);
+				octeon_fdt_pip_iface(pip, i);
 	}
 
 	/* I2C */
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index cd7101fb6..64f852b06 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -43,8 +43,6 @@
 #include <asm/octeon/cvmx-mio-defs.h>
 #include <asm/octeon/cvmx-rst-defs.h>
 
-extern struct plat_smp_ops octeon_smp_ops;
-
 #ifdef CONFIG_PCI
 extern void pci_console_init(const char *arg);
 #endif
@@ -466,15 +464,25 @@ static void octeon_halt(void)
 
 static char __read_mostly octeon_system_type[80];
 
-static int __init init_octeon_system_type(void)
+static void __init init_octeon_system_type(void)
 {
-	snprintf(octeon_system_type, sizeof(octeon_system_type), "%s (%s)",
-		cvmx_board_type_to_string(octeon_bootinfo->board_type),
-		octeon_model_get_string(read_c0_prid()));
+	char const *board_type;
+
+	board_type = cvmx_board_type_to_string(octeon_bootinfo->board_type);
+	if (board_type == NULL) {
+		struct device_node *root;
+		int ret;
+
+		root = of_find_node_by_path("/");
+		ret = of_property_read_string(root, "model", &board_type);
+		of_node_put(root);
+		if (ret)
+			board_type = "Unsupported Board";
+	}
 
-	return 0;
+	snprintf(octeon_system_type, sizeof(octeon_system_type), "%s (%s)",
+		 board_type, octeon_model_get_string(read_c0_prid()));
 }
-early_initcall(init_octeon_system_type);
 
 /**
  * Return a string representing the system type
@@ -492,8 +500,6 @@ const char *get_system_type(void)
 void octeon_user_io_init(void)
 {
 	union octeon_cvmemctl cvmmemctl;
-	union cvmx_iob_fau_timeout fau_timeout;
-	union cvmx_pow_nw_tim nm_tim;
 
 	/* Get the current settings for CP0_CVMMEMCTL_REG */
 	cvmmemctl.u64 = read_c0_cvmmemctl();
@@ -595,17 +601,27 @@ void octeon_user_io_init(void)
 			  CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE,
 			  CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE * 128);
 
-	/* Set a default for the hardware timeouts */
-	fau_timeout.u64 = 0;
-	fau_timeout.s.tout_val = 0xfff;
-	/* Disable tagwait FAU timeout */
-	fau_timeout.s.tout_enb = 0;
-	cvmx_write_csr(CVMX_IOB_FAU_TIMEOUT, fau_timeout.u64);
+	if (octeon_has_feature(OCTEON_FEATURE_FAU)) {
+		union cvmx_iob_fau_timeout fau_timeout;
+
+		/* Set a default for the hardware timeouts */
+		fau_timeout.u64 = 0;
+		fau_timeout.s.tout_val = 0xfff;
+		/* Disable tagwait FAU timeout */
+		fau_timeout.s.tout_enb = 0;
+		cvmx_write_csr(CVMX_IOB_FAU_TIMEOUT, fau_timeout.u64);
+	}
 
-	nm_tim.u64 = 0;
-	/* 4096 cycles */
-	nm_tim.s.nw_tim = 3;
-	cvmx_write_csr(CVMX_POW_NW_TIM, nm_tim.u64);
+	if ((!OCTEON_IS_MODEL(OCTEON_CN68XX) &&
+	     !OCTEON_IS_MODEL(OCTEON_CN7XXX)) ||
+	    OCTEON_IS_MODEL(OCTEON_CN70XX)) {
+		union cvmx_pow_nw_tim nm_tim;
+
+		nm_tim.u64 = 0;
+		/* 4096 cycles */
+		nm_tim.s.nw_tim = 3;
+		cvmx_write_csr(CVMX_POW_NW_TIM, nm_tim.u64);
+	}
 
 	write_octeon_c0_icacheerr(0);
 	write_c0_derraddr1(0);
@@ -637,9 +653,22 @@ void __init prom_init(void)
 	sysinfo = cvmx_sysinfo_get();
 	memset(sysinfo, 0, sizeof(*sysinfo));
 	sysinfo->system_dram_size = octeon_bootinfo->dram_size << 20;
-	sysinfo->phy_mem_desc_ptr =
-		cvmx_phys_to_ptr(octeon_bootinfo->phy_mem_desc_addr);
-	sysinfo->core_mask = octeon_bootinfo->core_mask;
+	sysinfo->phy_mem_desc_addr = (u64)phys_to_virt(octeon_bootinfo->phy_mem_desc_addr);
+
+	if ((octeon_bootinfo->major_version > 1) ||
+	    (octeon_bootinfo->major_version == 1 &&
+	     octeon_bootinfo->minor_version >= 4))
+		cvmx_coremask_copy(&sysinfo->core_mask,
+				   &octeon_bootinfo->ext_core_mask);
+	else
+		cvmx_coremask_set64(&sysinfo->core_mask,
+				    octeon_bootinfo->core_mask);
+
+	/* Some broken u-boot pass garbage in upper bits, clear them out */
+	if (!OCTEON_IS_MODEL(OCTEON_CN78XX))
+		for (i = 512; i < 1024; i++)
+			cvmx_coremask_clear_core(&sysinfo->core_mask, i);
+
 	sysinfo->exception_base_addr = octeon_bootinfo->exception_base_addr;
 	sysinfo->cpu_clock_hz = octeon_bootinfo->eclock_hz;
 	sysinfo->dram_data_rate_hz = octeon_bootinfo->dclock_hz * 2;
@@ -867,7 +896,7 @@ void __init prom_init(void)
 #endif
 
 	octeon_user_io_init();
-	register_smp_ops(&octeon_smp_ops);
+	octeon_setup_smp();
 }
 
 /* Exclude a single page from the regions obtained in plat_mem_setup. */
@@ -1079,6 +1108,7 @@ void __init prom_free_prom_memory(void)
 	}
 }
 
+void __init octeon_fill_mac_addresses(void);
 int octeon_prune_device_tree(void);
 
 extern const char __appended_dtb;
@@ -1088,11 +1118,13 @@ void __init device_tree_init(void)
 {
 	const void *fdt;
 	bool do_prune;
+	bool fill_mac;
 
 #ifdef CONFIG_MIPS_ELF_APPENDED_DTB
 	if (!fdt_check_header(&__appended_dtb)) {
 		fdt = &__appended_dtb;
 		do_prune = false;
+		fill_mac = true;
 		pr_info("Using appended Device Tree.\n");
 	} else
 #endif
@@ -1101,13 +1133,16 @@ void __init device_tree_init(void)
 		if (fdt_check_header(fdt))
 			panic("Corrupt Device Tree passed to kernel.");
 		do_prune = false;
+		fill_mac = false;
 		pr_info("Using passed Device Tree.\n");
 	} else if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
 		fdt = &__dtb_octeon_68xx_begin;
 		do_prune = true;
+		fill_mac = true;
 	} else {
 		fdt = &__dtb_octeon_3xxx_begin;
 		do_prune = true;
+		fill_mac = true;
 	}
 
 	initial_boot_params = (void *)fdt;
@@ -1116,7 +1151,10 @@ void __init device_tree_init(void)
 		octeon_prune_device_tree();
 		pr_info("Using internal Device Tree.\n");
 	}
+	if (fill_mac)
+		octeon_fill_mac_addresses();
 	unflatten_and_copy_device_tree();
+	init_octeon_system_type();
 }
 
 static int __initdata disable_octeon_edac_p;
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index 42412ba0f..33aab8925 100644
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -30,25 +30,55 @@ uint64_t octeon_bootloader_entry_addr;
 EXPORT_SYMBOL(octeon_bootloader_entry_addr);
 #endif
 
+static void octeon_icache_flush(void)
+{
+	asm volatile ("synci 0($0)\n");
+}
+
+static void (*octeon_message_functions[8])(void) = {
+	scheduler_ipi,
+	generic_smp_call_function_interrupt,
+	octeon_icache_flush,
+};
+
 static irqreturn_t mailbox_interrupt(int irq, void *dev_id)
 {
-	const int coreid = cvmx_get_core_num();
-	uint64_t action;
+	u64 mbox_clrx = CVMX_CIU_MBOX_CLRX(cvmx_get_core_num());
+	u64 action;
+	int i;
+
+	/*
+	 * Make sure the function array initialization remains
+	 * correct.
+	 */
+	BUILD_BUG_ON(SMP_RESCHEDULE_YOURSELF != (1 << 0));
+	BUILD_BUG_ON(SMP_CALL_FUNCTION       != (1 << 1));
+	BUILD_BUG_ON(SMP_ICACHE_FLUSH        != (1 << 2));
+
+	/*
+	 * Load the mailbox register to figure out what we're supposed
+	 * to do.
+	 */
+	action = cvmx_read_csr(mbox_clrx);
 
-	/* Load the mailbox register to figure out what we're supposed to do */
-	action = cvmx_read_csr(CVMX_CIU_MBOX_CLRX(coreid)) & 0xffff;
+	if (OCTEON_IS_MODEL(OCTEON_CN68XX))
+		action &= 0xff;
+	else
+		action &= 0xffff;
 
 	/* Clear the mailbox to clear the interrupt */
-	cvmx_write_csr(CVMX_CIU_MBOX_CLRX(coreid), action);
+	cvmx_write_csr(mbox_clrx, action);
 
-	if (action & SMP_CALL_FUNCTION)
-		generic_smp_call_function_interrupt();
-	if (action & SMP_RESCHEDULE_YOURSELF)
-		scheduler_ipi();
+	for (i = 0; i < ARRAY_SIZE(octeon_message_functions) && action;) {
+		if (action & 1) {
+			void (*fn)(void) = octeon_message_functions[i];
 
-	/* Check if we've been told to flush the icache */
-	if (action & SMP_ICACHE_FLUSH)
-		asm volatile ("synci 0($0)\n");
+			if (fn)
+				fn();
+		}
+		action >>= 1;
+		i++;
+	}
 	return IRQ_HANDLED;
 }
 
@@ -97,13 +127,15 @@ static void octeon_smp_hotplug_setup(void)
 #endif
 }
 
-static void octeon_smp_setup(void)
+static void __init octeon_smp_setup(void)
 {
 	const int coreid = cvmx_get_core_num();
 	int cpus;
 	int id;
-	int core_mask = octeon_get_boot_coremask();
+	struct cvmx_sysinfo *sysinfo = cvmx_sysinfo_get();
+
 #ifdef CONFIG_HOTPLUG_CPU
+	int core_mask = octeon_get_boot_coremask();
 	unsigned int num_cores = cvmx_octeon_num_cores();
 #endif
 
@@ -119,7 +151,7 @@ static void octeon_smp_setup(void)
 	/* The present CPUs get the lowest CPU numbers. */
 	cpus = 1;
 	for (id = 0; id < NR_CPUS; id++) {
-		if ((id != coreid) && (core_mask & (1 << id))) {
+		if ((id != coreid) && cvmx_coremask_is_core_set(&sysinfo->core_mask, id)) {
 			set_cpu_possible(cpus, true);
 			set_cpu_present(cpus, true);
 			__cpu_number_map[id] = cpus;
@@ -196,7 +228,7 @@ static void octeon_init_secondary(void)
  * Callout to firmware before smp_init
  *
  */
-void octeon_prepare_cpus(unsigned int max_cpus)
+static void __init octeon_prepare_cpus(unsigned int max_cpus)
 {
 	/*
 	 * Only the low order mailbox bits are used for IPIs, leave
@@ -242,7 +274,7 @@ static int octeon_cpu_disable(void)
 	cpumask_clear_cpu(cpu, &cpu_callin_map);
 	octeon_fixup_irqs();
 
-	flush_cache_all();
+	__flush_cache_all();
 	local_flush_tlb_all();
 
 	return 0;
@@ -352,7 +384,7 @@ static int octeon_cpu_callback(struct notifier_block *nfb,
 {
 	unsigned int cpu = (unsigned long)hcpu;
 
-	switch (action) {
+	switch (action & ~CPU_TASKS_FROZEN) {
 	case CPU_UP_PREPARE:
 		octeon_update_boot_vector(cpu);
 		break;
@@ -388,3 +420,92 @@ struct plat_smp_ops octeon_smp_ops = {
 	.cpu_die		= octeon_cpu_die,
 #endif
 };
+
+static irqreturn_t octeon_78xx_reched_interrupt(int irq, void *dev_id)
+{
+	scheduler_ipi();
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t octeon_78xx_call_function_interrupt(int irq, void *dev_id)
+{
+	generic_smp_call_function_interrupt();
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t octeon_78xx_icache_flush_interrupt(int irq, void *dev_id)
+{
+	octeon_icache_flush();
+	return IRQ_HANDLED;
+}
+
+/*
+ * Callout to firmware before smp_init
+ */
+static void octeon_78xx_prepare_cpus(unsigned int max_cpus)
+{
+	if (request_irq(OCTEON_IRQ_MBOX0 + 0,
+			octeon_78xx_reched_interrupt,
+			IRQF_PERCPU | IRQF_NO_THREAD, "Scheduler",
+			octeon_78xx_reched_interrupt)) {
+		panic("Cannot request_irq for SchedulerIPI");
+	}
+	if (request_irq(OCTEON_IRQ_MBOX0 + 1,
+			octeon_78xx_call_function_interrupt,
+			IRQF_PERCPU | IRQF_NO_THREAD, "SMP-Call",
+			octeon_78xx_call_function_interrupt)) {
+		panic("Cannot request_irq for SMP-Call");
+	}
+	if (request_irq(OCTEON_IRQ_MBOX0 + 2,
+			octeon_78xx_icache_flush_interrupt,
+			IRQF_PERCPU | IRQF_NO_THREAD, "ICache-Flush",
+			octeon_78xx_icache_flush_interrupt)) {
+		panic("Cannot request_irq for ICache-Flush");
+	}
+}
+
+static void octeon_78xx_send_ipi_single(int cpu, unsigned int action)
+{
+	int i;
+
+	for (i = 0; i < 8; i++) {
+		if (action & 1)
+			octeon_ciu3_mbox_send(cpu, i);
+		action >>= 1;
+	}
+}
+
+static void octeon_78xx_send_ipi_mask(const struct cpumask *mask,
+				      unsigned int action)
+{
+	unsigned int cpu;
+
+	for_each_cpu(cpu, mask)
+		octeon_78xx_send_ipi_single(cpu, action);
+}
+
+static struct plat_smp_ops octeon_78xx_smp_ops = {
+	.send_ipi_single	= octeon_78xx_send_ipi_single,
+	.send_ipi_mask		= octeon_78xx_send_ipi_mask,
+	.init_secondary		= octeon_init_secondary,
+	.smp_finish		= octeon_smp_finish,
+	.boot_secondary		= octeon_boot_secondary,
+	.smp_setup		= octeon_smp_setup,
+	.prepare_cpus		= octeon_78xx_prepare_cpus,
+#ifdef CONFIG_HOTPLUG_CPU
+	.cpu_disable		= octeon_cpu_disable,
+	.cpu_die		= octeon_cpu_die,
+#endif
+};
+
+void __init octeon_setup_smp(void)
+{
+	struct plat_smp_ops *ops;
+
+	if (octeon_has_feature(OCTEON_FEATURE_CIU3))
+		ops = &octeon_78xx_smp_ops;
+	else
+		ops = &octeon_smp_ops;
+
+	register_smp_ops(ops);
+}
diff --git a/arch/mips/configs/bcm47xx_defconfig b/arch/mips/configs/bcm47xx_defconfig
index 0db4eb319..fad8e964f 100644
--- a/arch/mips/configs/bcm47xx_defconfig
+++ b/arch/mips/configs/bcm47xx_defconfig
@@ -23,7 +23,6 @@ CONFIG_IP_MROUTE=y
 CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
 CONFIG_SYN_COOKIES=y
 CONFIG_TCP_CONG_ADVANCED=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_MULTIPLE_TABLES=y
 CONFIG_IPV6_SUBTREES=y
 CONFIG_IPV6_MROUTE=y
diff --git a/arch/mips/configs/bcm63xx_defconfig b/arch/mips/configs/bcm63xx_defconfig
index 3fec26410..5599a9f1e 100644
--- a/arch/mips/configs/bcm63xx_defconfig
+++ b/arch/mips/configs/bcm63xx_defconfig
@@ -44,6 +44,7 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_STANDALONE is not set
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
 CONFIG_MTD=y
+CONFIG_MTD_BCM63XX_PARTS=y
 CONFIG_MTD_CFI=y
 CONFIG_MTD_CFI_INTELEXT=y
 CONFIG_MTD_CFI_AMDSTD=y
diff --git a/arch/mips/configs/bigsur_defconfig b/arch/mips/configs/bigsur_defconfig
index e070dac07..d20b09d77 100644
--- a/arch/mips/configs/bigsur_defconfig
+++ b/arch/mips/configs/bigsur_defconfig
@@ -62,7 +62,6 @@ CONFIG_INET_XFRM_MODE_TRANSPORT=m
 CONFIG_INET_XFRM_MODE_TUNNEL=m
 # CONFIG_INET_LRO is not set
 CONFIG_TCP_MD5SIG=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_ROUTE_INFO=y
 CONFIG_IPV6_OPTIMISTIC_DAD=y
diff --git a/arch/mips/configs/bmips_be_defconfig b/arch/mips/configs/bmips_be_defconfig
index 24dcb90b0..acf7785c4 100644
--- a/arch/mips/configs/bmips_be_defconfig
+++ b/arch/mips/configs/bmips_be_defconfig
@@ -36,6 +36,7 @@ CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_PRINTK_TIME=y
 CONFIG_BRCMSTB_GISB_ARB=y
 CONFIG_MTD=y
+CONFIG_MTD_BCM63XX_PARTS=y
 CONFIG_MTD_CFI=y
 CONFIG_MTD_CFI_INTELEXT=y
 CONFIG_MTD_CFI_AMDSTD=y
diff --git a/arch/mips/configs/cavium_octeon_defconfig b/arch/mips/configs/cavium_octeon_defconfig
index e57058d4e..dcac308ce 100644
--- a/arch/mips/configs/cavium_octeon_defconfig
+++ b/arch/mips/configs/cavium_octeon_defconfig
@@ -119,14 +119,16 @@ CONFIG_SPI=y
 CONFIG_SPI_OCTEON=y
 # CONFIG_HWMON is not set
 CONFIG_WATCHDOG=y
-# CONFIG_USB_SUPPORT is not set
-CONFIG_USB_EHCI_BIG_ENDIAN_MMIO=y
-CONFIG_USB_OHCI_BIG_ENDIAN_MMIO=y
-CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+CONFIG_USB=m
+CONFIG_USB_EHCI_HCD=m
+CONFIG_USB_EHCI_HCD_PLATFORM=m
+CONFIG_USB_OHCI_HCD=m
+CONFIG_USB_OHCI_HCD_PLATFORM=m
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
 CONFIG_STAGING=y
 CONFIG_OCTEON_ETHERNET=y
+CONFIG_OCTEON_USB=m
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_EXT4_FS=y
 CONFIG_EXT4_FS_POSIX_ACL=y
@@ -152,6 +154,9 @@ CONFIG_SECURITY=y
 CONFIG_SECURITY_NETWORK=y
 CONFIG_CRYPTO_CBC=y
 CONFIG_CRYPTO_HMAC=y
-CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_MD5_OCTEON=y
+CONFIG_CRYPTO_SHA1_OCTEON=m
+CONFIG_CRYPTO_SHA256_OCTEON=m
+CONFIG_CRYPTO_SHA512_OCTEON=m
 CONFIG_CRYPTO_DES=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
diff --git a/arch/mips/configs/db1xxx_defconfig b/arch/mips/configs/db1xxx_defconfig
index 3bdb72a70..f0c897103 100644
--- a/arch/mips/configs/db1xxx_defconfig
+++ b/arch/mips/configs/db1xxx_defconfig
@@ -18,7 +18,6 @@ CONFIG_CGROUP_FREEZER=y
 CONFIG_CGROUP_DEVICE=y
 CONFIG_CPUSETS=y
 CONFIG_CGROUP_CPUACCT=y
-CONFIG_RESOURCE_COUNTERS=y
 CONFIG_MEMCG=y
 CONFIG_MEMCG_SWAP=y
 CONFIG_MEMCG_KMEM=y
diff --git a/arch/mips/configs/decstation_defconfig b/arch/mips/configs/decstation_defconfig
index ebc011c51..2b6cb41d5 100644
--- a/arch/mips/configs/decstation_defconfig
+++ b/arch/mips/configs/decstation_defconfig
@@ -30,7 +30,6 @@ CONFIG_INET_XFRM_MODE_TRANSPORT=m
 CONFIG_INET_XFRM_MODE_TUNNEL=m
 CONFIG_INET_XFRM_MODE_BEET=m
 CONFIG_TCP_MD5SIG=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_ROUTE_INFO=y
 CONFIG_INET6_AH=m
diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig
index 6ba9ce9fc..5d83ff755 100644
--- a/arch/mips/configs/ip22_defconfig
+++ b/arch/mips/configs/ip22_defconfig
@@ -48,7 +48,6 @@ CONFIG_INET_XFRM_MODE_TUNNEL=m
 CONFIG_INET_XFRM_MODE_BEET=m
 # CONFIG_INET_LRO is not set
 CONFIG_TCP_MD5SIG=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_ROUTE_INFO=y
 CONFIG_IPV6_OPTIMISTIC_DAD=y
diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig
index 77e9f505f..2b74aee32 100644
--- a/arch/mips/configs/ip27_defconfig
+++ b/arch/mips/configs/ip27_defconfig
@@ -43,7 +43,6 @@ CONFIG_INET_XFRM_MODE_TUNNEL=m
 CONFIG_INET_XFRM_MODE_BEET=m
 CONFIG_TCP_MD5SIG=y
 CONFIG_IPV6=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_ROUTE_INFO=y
 CONFIG_IPV6_OPTIMISTIC_DAD=y
diff --git a/arch/mips/configs/jazz_defconfig b/arch/mips/configs/jazz_defconfig
index a5e85e1ee..3019fce63 100644
--- a/arch/mips/configs/jazz_defconfig
+++ b/arch/mips/configs/jazz_defconfig
@@ -34,7 +34,6 @@ CONFIG_IP_PIMSM_V2=y
 CONFIG_INET_XFRM_MODE_TRANSPORT=m
 CONFIG_INET_XFRM_MODE_TUNNEL=m
 CONFIG_TCP_MD5SIG=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_ROUTE_INFO=y
 CONFIG_INET6_AH=m
diff --git a/arch/mips/configs/lemote2f_defconfig b/arch/mips/configs/lemote2f_defconfig
index d1f198b07..5da76e0e1 100644
--- a/arch/mips/configs/lemote2f_defconfig
+++ b/arch/mips/configs/lemote2f_defconfig
@@ -71,7 +71,6 @@ CONFIG_TCP_CONG_ADVANCED=y
 CONFIG_TCP_CONG_BIC=y
 CONFIG_DEFAULT_BIC=y
 CONFIG_TCP_MD5SIG=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_TUNNEL=m
 CONFIG_IPV6_MULTIPLE_TABLES=y
diff --git a/arch/mips/configs/ls1b_defconfig b/arch/mips/configs/loongson1b_defconfig
index 1b2cc1fb2..c442f2768 100644
--- a/arch/mips/configs/ls1b_defconfig
+++ b/arch/mips/configs/loongson1b_defconfig
@@ -1,19 +1,17 @@
 CONFIG_MACH_LOONGSON32=y
 CONFIG_PREEMPT=y
 # CONFIG_SECCOMP is not set
-CONFIG_EXPERIMENTAL=y
 # CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_KERNEL_XZ=y
 CONFIG_SYSVIPC=y
+CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BSD_PROCESS_ACCT=y
 CONFIG_BSD_PROCESS_ACCT_V3=y
-CONFIG_HIGH_RES_TIMERS=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=16
 CONFIG_NAMESPACES=y
-CONFIG_BLK_DEV_INITRD=y
-CONFIG_RD_BZIP2=y
-CONFIG_RD_LZMA=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_EXPERT=y
 CONFIG_PERF_EVENTS=y
 # CONFIG_COMPAT_BRK is not set
@@ -41,6 +39,12 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 # CONFIG_STANDALONE is not set
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_LOONGSON1=y
+CONFIG_MTD_UBI=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_SCSI=m
 # CONFIG_SCSI_PROC_FS is not set
@@ -48,7 +52,6 @@ CONFIG_BLK_DEV_SD=m
 # CONFIG_SCSI_LOWLEVEL is not set
 CONFIG_NETDEVICES=y
 # CONFIG_NET_VENDOR_BROADCOM is not set
-# CONFIG_NET_VENDOR_CHELSIO is not set
 # CONFIG_NET_VENDOR_INTEL is not set
 # CONFIG_NET_VENDOR_MARVELL is not set
 # CONFIG_NET_VENDOR_MICREL is not set
@@ -56,7 +59,6 @@ CONFIG_NETDEVICES=y
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_SMSC is not set
 CONFIG_STMMAC_ETH=y
-CONFIG_STMMAC_DA=y
 # CONFIG_NET_VENDOR_WIZNET is not set
 # CONFIG_WLAN is not set
 CONFIG_INPUT_EVDEV=y
@@ -69,18 +71,25 @@ CONFIG_LEGACY_PTY_COUNT=8
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 # CONFIG_HW_RANDOM is not set
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_LOONGSON1=y
 # CONFIG_HWMON is not set
 # CONFIG_VGA_CONSOLE is not set
-CONFIG_USB_HID=m
 CONFIG_HID_GENERIC=m
+CONFIG_USB_HID=m
 CONFIG_USB=y
 CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
 CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI_HCD_PLATFORM=y
 # CONFIG_USB_EHCI_TT_NEWSCHED is not set
+CONFIG_USB_EHCI_HCD_PLATFORM=y
 CONFIG_USB_STORAGE=m
 CONFIG_USB_SERIAL=m
 CONFIG_USB_SERIAL_PL2303=m
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_LOONGSON1=y
 # CONFIG_IOMMU_SUPPORT is not set
@@ -96,15 +105,21 @@ CONFIG_VFAT_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
-# CONFIG_MISC_FILESYSTEMS is not set
+CONFIG_UBIFS_FS=y
+CONFIG_UBIFS_FS_ADVANCED_COMPR=y
+CONFIG_UBIFS_ATIME_SUPPORT=y
 CONFIG_NFS_FS=y
 CONFIG_ROOT_NFS=y
 CONFIG_NLS_CODEPAGE_437=m
 CONFIG_NLS_ISO8859_1=m
+CONFIG_DYNAMIC_DEBUG=y
 # CONFIG_ENABLE_WARN_DEPRECATED is not set
 # CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_DEBUG_FS=y
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_SCHED_DEBUG is not set
 # CONFIG_DEBUG_PREEMPT is not set
 # CONFIG_FTRACE is not set
 # CONFIG_EARLY_PRINTK is not set
+# CONFIG_CRYPTO_ECHAINIV is not set
+# CONFIG_CRYPTO_HW is not set
diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig
index f8bf915c6..7f95c4b3a 100644
--- a/arch/mips/configs/loongson3_defconfig
+++ b/arch/mips/configs/loongson3_defconfig
@@ -25,7 +25,6 @@ CONFIG_TASK_XACCT=y
 CONFIG_TASK_IO_ACCOUNTING=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_CPUSETS=y
-CONFIG_RESOURCE_COUNTERS=y
 CONFIG_MEMCG=y
 CONFIG_MEMCG_SWAP=y
 CONFIG_BLK_CGROUP=y
diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig
index 9b6926d6b..f3f60056b 100644
--- a/arch/mips/configs/mtx1_defconfig
+++ b/arch/mips/configs/mtx1_defconfig
@@ -51,7 +51,6 @@ CONFIG_INET_IPCOMP=m
 CONFIG_INET_XFRM_MODE_TRANSPORT=m
 CONFIG_INET_XFRM_MODE_TUNNEL=m
 CONFIG_INET_XFRM_MODE_BEET=m
-CONFIG_IPV6_PRIVACY=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
diff --git a/arch/mips/configs/nlm_xlp_defconfig b/arch/mips/configs/nlm_xlp_defconfig
index b3d1d37f8..b496c25fc 100644
--- a/arch/mips/configs/nlm_xlp_defconfig
+++ b/arch/mips/configs/nlm_xlp_defconfig
@@ -95,7 +95,6 @@ CONFIG_TCP_CONG_YEAH=m
 CONFIG_TCP_CONG_ILLINOIS=m
 CONFIG_TCP_MD5SIG=y
 CONFIG_IPV6=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
diff --git a/arch/mips/configs/nlm_xlr_defconfig b/arch/mips/configs/nlm_xlr_defconfig
index 3d8016d6c..8e99ad807 100644
--- a/arch/mips/configs/nlm_xlr_defconfig
+++ b/arch/mips/configs/nlm_xlr_defconfig
@@ -75,7 +75,6 @@ CONFIG_TCP_CONG_YEAH=m
 CONFIG_TCP_CONG_ILLINOIS=m
 CONFIG_TCP_MD5SIG=y
 CONFIG_IPV6=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig
index 82db4e3e4..c2b4e3f33 100644
--- a/arch/mips/configs/rm200_defconfig
+++ b/arch/mips/configs/rm200_defconfig
@@ -37,7 +37,6 @@ CONFIG_INET_XFRM_MODE_TRANSPORT=m
 CONFIG_INET_XFRM_MODE_TUNNEL=m
 CONFIG_INET_XFRM_MODE_BEET=m
 CONFIG_TCP_MD5SIG=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_ROUTE_INFO=y
 CONFIG_INET6_AH=m
diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c
index a0b8943c8..1c3bf9fe9 100644
--- a/arch/mips/dec/setup.c
+++ b/arch/mips/dec/setup.c
@@ -60,6 +60,7 @@ EXPORT_SYMBOL(dec_kn_slot_size);
 int dec_tc_bus;
 
 DEFINE_SPINLOCK(ioasic_ssr_lock);
+EXPORT_SYMBOL(ioasic_ssr_lock);
 
 volatile u32 *ioasic_base;
 
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index c7fe4d01e..9740066cc 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -1,5 +1,6 @@
 # MIPS headers
 generic-(CONFIG_GENERIC_CSUM) += checksum.h
+generic-y += clkdev.h
 generic-y += cputime.h
 generic-y += current.h
 generic-y += dma-contiguous.h
diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index e689b8943..56584a659 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -19,6 +19,28 @@
 #include <asm/asmmacro-64.h>
 #endif
 
+/*
+ * Helper macros for generating raw instruction encodings.
+ */
+#ifdef CONFIG_CPU_MICROMIPS
+	.macro	insn32_if_mm enc
+	.insn
+	.hword ((\enc) >> 16)
+	.hword ((\enc) & 0xffff)
+	.endm
+
+	.macro	insn_if_mips enc
+	.endm
+#else
+	.macro	insn32_if_mm enc
+	.endm
+
+	.macro	insn_if_mips enc
+	.insn
+	.word (\enc)
+	.endm
+#endif
+
 #if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
 	.macro	local_irq_enable reg=t0
 	ei
@@ -235,6 +257,7 @@
 	.macro	ld_b	wd, off, base
 	.set	push
 	.set	mips32r2
+	.set	fp=64
 	.set	msa
 	ld.b	$w\wd, \off(\base)
 	.set	pop
@@ -243,6 +266,7 @@
 	.macro	ld_h	wd, off, base
 	.set	push
 	.set	mips32r2
+	.set	fp=64
 	.set	msa
 	ld.h	$w\wd, \off(\base)
 	.set	pop
@@ -251,6 +275,7 @@
 	.macro	ld_w	wd, off, base
 	.set	push
 	.set	mips32r2
+	.set	fp=64
 	.set	msa
 	ld.w	$w\wd, \off(\base)
 	.set	pop
@@ -268,6 +293,7 @@
 	.macro	st_b	wd, off, base
 	.set	push
 	.set	mips32r2
+	.set	fp=64
 	.set	msa
 	st.b	$w\wd, \off(\base)
 	.set	pop
@@ -276,6 +302,7 @@
 	.macro	st_h	wd, off, base
 	.set	push
 	.set	mips32r2
+	.set	fp=64
 	.set	msa
 	st.h	$w\wd, \off(\base)
 	.set	pop
@@ -284,6 +311,7 @@
 	.macro	st_w	wd, off, base
 	.set	push
 	.set	mips32r2
+	.set	fp=64
 	.set	msa
 	st.w	$w\wd, \off(\base)
 	.set	pop
@@ -335,38 +363,6 @@
 	.endm
 #else
 
-#ifdef CONFIG_CPU_MICROMIPS
-#define CFC_MSA_INSN		0x587e0056
-#define CTC_MSA_INSN		0x583e0816
-#define LDB_MSA_INSN		0x58000807
-#define LDH_MSA_INSN		0x58000817
-#define LDW_MSA_INSN		0x58000827
-#define LDD_MSA_INSN		0x58000837
-#define STB_MSA_INSN		0x5800080f
-#define STH_MSA_INSN		0x5800081f
-#define STW_MSA_INSN		0x5800082f
-#define STD_MSA_INSN		0x5800083f
-#define COPY_SW_MSA_INSN	0x58b00056
-#define COPY_SD_MSA_INSN	0x58b80056
-#define INSERT_W_MSA_INSN	0x59300816
-#define INSERT_D_MSA_INSN	0x59380816
-#else
-#define CFC_MSA_INSN		0x787e0059
-#define CTC_MSA_INSN		0x783e0819
-#define LDB_MSA_INSN		0x78000820
-#define LDH_MSA_INSN		0x78000821
-#define LDW_MSA_INSN		0x78000822
-#define LDD_MSA_INSN		0x78000823
-#define STB_MSA_INSN		0x78000824
-#define STH_MSA_INSN		0x78000825
-#define STW_MSA_INSN		0x78000826
-#define STD_MSA_INSN		0x78000827
-#define COPY_SW_MSA_INSN	0x78b00059
-#define COPY_SD_MSA_INSN	0x78b80059
-#define INSERT_W_MSA_INSN	0x79300819
-#define INSERT_D_MSA_INSN	0x79380819
-#endif
-
 	/*
 	 * Temporary until all toolchains in use include MSA support.
 	 */
@@ -374,8 +370,8 @@
 	.set	push
 	.set	noat
 	SET_HARDFLOAT
-	.insn
-	.word	CFC_MSA_INSN | (\cs << 11)
+	insn_if_mips 0x787e0059 | (\cs << 11)
+	insn32_if_mm 0x587e0056 | (\cs << 11)
 	move	\rd, $1
 	.set	pop
 	.endm
@@ -385,7 +381,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	move	$1, \rs
-	.word	CTC_MSA_INSN | (\cd << 6)
+	insn_if_mips 0x783e0819 | (\cd << 6)
+	insn32_if_mm 0x583e0816 | (\cd << 6)
 	.set	pop
 	.endm
 
@@ -394,7 +391,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	LDB_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000820 | (\wd << 6)
+	insn32_if_mm 0x58000807 | (\wd << 6)
 	.set	pop
 	.endm
 
@@ -403,7 +401,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	LDH_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000821 | (\wd << 6)
+	insn32_if_mm 0x58000817 | (\wd << 6)
 	.set	pop
 	.endm
 
@@ -412,7 +411,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	LDW_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000822 | (\wd << 6)
+	insn32_if_mm 0x58000827 | (\wd << 6)
 	.set	pop
 	.endm
 
@@ -421,7 +421,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	LDD_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000823 | (\wd << 6)
+	insn32_if_mm 0x58000837 | (\wd << 6)
 	.set	pop
 	.endm
 
@@ -430,7 +431,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	STB_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000824 | (\wd << 6)
+	insn32_if_mm 0x5800080f | (\wd << 6)
 	.set	pop
 	.endm
 
@@ -439,7 +441,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	STH_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000825 | (\wd << 6)
+	insn32_if_mm 0x5800081f | (\wd << 6)
 	.set	pop
 	.endm
 
@@ -448,7 +451,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	STW_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000826 | (\wd << 6)
+	insn32_if_mm 0x5800082f | (\wd << 6)
 	.set	pop
 	.endm
 
@@ -457,7 +461,8 @@
 	.set	noat
 	SET_HARDFLOAT
 	PTR_ADDU $1, \base, \off
-	.word	STD_MSA_INSN | (\wd << 6)
+	insn_if_mips 0x78000827 | (\wd << 6)
+	insn32_if_mm 0x5800083f | (\wd << 6)
 	.set	pop
 	.endm
 
@@ -465,8 +470,8 @@
 	.set	push
 	.set	noat
 	SET_HARDFLOAT
-	.insn
-	.word	COPY_SW_MSA_INSN | (\n << 16) | (\ws << 11)
+	insn_if_mips 0x78b00059 | (\n << 16) | (\ws << 11)
+	insn32_if_mm 0x58b00056 | (\n << 16) | (\ws << 11)
 	.set	pop
 	.endm
 
@@ -474,8 +479,8 @@
 	.set	push
 	.set	noat
 	SET_HARDFLOAT
-	.insn
-	.word	COPY_SD_MSA_INSN | (\n << 16) | (\ws << 11)
+	insn_if_mips 0x78b80059 | (\n << 16) | (\ws << 11)
+	insn32_if_mm 0x58b80056 | (\n << 16) | (\ws << 11)
 	.set	pop
 	.endm
 
@@ -483,7 +488,8 @@
 	.set	push
 	.set	noat
 	SET_HARDFLOAT
-	.word	INSERT_W_MSA_INSN | (\n << 16) | (\wd << 6)
+	insn_if_mips 0x79300819 | (\n << 16) | (\wd << 6)
+	insn32_if_mm 0x59300816 | (\n << 16) | (\wd << 6)
 	.set	pop
 	.endm
 
@@ -491,46 +497,58 @@
 	.set	push
 	.set	noat
 	SET_HARDFLOAT
-	.word	INSERT_D_MSA_INSN | (\n << 16) | (\wd << 6)
+	insn_if_mips 0x79380819 | (\n << 16) | (\wd << 6)
+	insn32_if_mm 0x59380816 | (\n << 16) | (\wd << 6)
 	.set	pop
 	.endm
 #endif
 
+#ifdef TOOLCHAIN_SUPPORTS_MSA
+#define FPR_BASE_OFFS	THREAD_FPR0
+#define FPR_BASE	$1
+#else
+#define FPR_BASE_OFFS	0
+#define FPR_BASE	\thread
+#endif
+
 	.macro	msa_save_all	thread
-	st_d	0, THREAD_FPR0, \thread
-	st_d	1, THREAD_FPR1, \thread
-	st_d	2, THREAD_FPR2, \thread
-	st_d	3, THREAD_FPR3, \thread
-	st_d	4, THREAD_FPR4, \thread
-	st_d	5, THREAD_FPR5, \thread
-	st_d	6, THREAD_FPR6, \thread
-	st_d	7, THREAD_FPR7, \thread
-	st_d	8, THREAD_FPR8, \thread
-	st_d	9, THREAD_FPR9, \thread
-	st_d	10, THREAD_FPR10, \thread
-	st_d	11, THREAD_FPR11, \thread
-	st_d	12, THREAD_FPR12, \thread
-	st_d	13, THREAD_FPR13, \thread
-	st_d	14, THREAD_FPR14, \thread
-	st_d	15, THREAD_FPR15, \thread
-	st_d	16, THREAD_FPR16, \thread
-	st_d	17, THREAD_FPR17, \thread
-	st_d	18, THREAD_FPR18, \thread
-	st_d	19, THREAD_FPR19, \thread
-	st_d	20, THREAD_FPR20, \thread
-	st_d	21, THREAD_FPR21, \thread
-	st_d	22, THREAD_FPR22, \thread
-	st_d	23, THREAD_FPR23, \thread
-	st_d	24, THREAD_FPR24, \thread
-	st_d	25, THREAD_FPR25, \thread
-	st_d	26, THREAD_FPR26, \thread
-	st_d	27, THREAD_FPR27, \thread
-	st_d	28, THREAD_FPR28, \thread
-	st_d	29, THREAD_FPR29, \thread
-	st_d	30, THREAD_FPR30, \thread
-	st_d	31, THREAD_FPR31, \thread
 	.set	push
 	.set	noat
+#ifdef TOOLCHAIN_SUPPORTS_MSA
+	PTR_ADDU FPR_BASE, \thread, FPR_BASE_OFFS
+#endif
+	st_d	 0, THREAD_FPR0  - FPR_BASE_OFFS, FPR_BASE
+	st_d	 1, THREAD_FPR1  - FPR_BASE_OFFS, FPR_BASE
+	st_d	 2, THREAD_FPR2  - FPR_BASE_OFFS, FPR_BASE
+	st_d	 3, THREAD_FPR3  - FPR_BASE_OFFS, FPR_BASE
+	st_d	 4, THREAD_FPR4  - FPR_BASE_OFFS, FPR_BASE
+	st_d	 5, THREAD_FPR5  - FPR_BASE_OFFS, FPR_BASE
+	st_d	 6, THREAD_FPR6  - FPR_BASE_OFFS, FPR_BASE
+	st_d	 7, THREAD_FPR7  - FPR_BASE_OFFS, FPR_BASE
+	st_d	 8, THREAD_FPR8  - FPR_BASE_OFFS, FPR_BASE
+	st_d	 9, THREAD_FPR9  - FPR_BASE_OFFS, FPR_BASE
+	st_d	10, THREAD_FPR10 - FPR_BASE_OFFS, FPR_BASE
+	st_d	11, THREAD_FPR11 - FPR_BASE_OFFS, FPR_BASE
+	st_d	12, THREAD_FPR12 - FPR_BASE_OFFS, FPR_BASE
+	st_d	13, THREAD_FPR13 - FPR_BASE_OFFS, FPR_BASE
+	st_d	14, THREAD_FPR14 - FPR_BASE_OFFS, FPR_BASE
+	st_d	15, THREAD_FPR15 - FPR_BASE_OFFS, FPR_BASE
+	st_d	16, THREAD_FPR16 - FPR_BASE_OFFS, FPR_BASE
+	st_d	17, THREAD_FPR17 - FPR_BASE_OFFS, FPR_BASE
+	st_d	18, THREAD_FPR18 - FPR_BASE_OFFS, FPR_BASE
+	st_d	19, THREAD_FPR19 - FPR_BASE_OFFS, FPR_BASE
+	st_d	20, THREAD_FPR20 - FPR_BASE_OFFS, FPR_BASE
+	st_d	21, THREAD_FPR21 - FPR_BASE_OFFS, FPR_BASE
+	st_d	22, THREAD_FPR22 - FPR_BASE_OFFS, FPR_BASE
+	st_d	23, THREAD_FPR23 - FPR_BASE_OFFS, FPR_BASE
+	st_d	24, THREAD_FPR24 - FPR_BASE_OFFS, FPR_BASE
+	st_d	25, THREAD_FPR25 - FPR_BASE_OFFS, FPR_BASE
+	st_d	26, THREAD_FPR26 - FPR_BASE_OFFS, FPR_BASE
+	st_d	27, THREAD_FPR27 - FPR_BASE_OFFS, FPR_BASE
+	st_d	28, THREAD_FPR28 - FPR_BASE_OFFS, FPR_BASE
+	st_d	29, THREAD_FPR29 - FPR_BASE_OFFS, FPR_BASE
+	st_d	30, THREAD_FPR30 - FPR_BASE_OFFS, FPR_BASE
+	st_d	31, THREAD_FPR31 - FPR_BASE_OFFS, FPR_BASE
 	SET_HARDFLOAT
 	_cfcmsa	$1, MSA_CSR
 	sw	$1, THREAD_MSA_CSR(\thread)
@@ -543,40 +561,46 @@
 	SET_HARDFLOAT
 	lw	$1, THREAD_MSA_CSR(\thread)
 	_ctcmsa	MSA_CSR, $1
-	.set	pop
-	ld_d	0, THREAD_FPR0, \thread
-	ld_d	1, THREAD_FPR1, \thread
-	ld_d	2, THREAD_FPR2, \thread
-	ld_d	3, THREAD_FPR3, \thread
-	ld_d	4, THREAD_FPR4, \thread
-	ld_d	5, THREAD_FPR5, \thread
-	ld_d	6, THREAD_FPR6, \thread
-	ld_d	7, THREAD_FPR7, \thread
-	ld_d	8, THREAD_FPR8, \thread
-	ld_d	9, THREAD_FPR9, \thread
-	ld_d	10, THREAD_FPR10, \thread
-	ld_d	11, THREAD_FPR11, \thread
-	ld_d	12, THREAD_FPR12, \thread
-	ld_d	13, THREAD_FPR13, \thread
-	ld_d	14, THREAD_FPR14, \thread
-	ld_d	15, THREAD_FPR15, \thread
-	ld_d	16, THREAD_FPR16, \thread
-	ld_d	17, THREAD_FPR17, \thread
-	ld_d	18, THREAD_FPR18, \thread
-	ld_d	19, THREAD_FPR19, \thread
-	ld_d	20, THREAD_FPR20, \thread
-	ld_d	21, THREAD_FPR21, \thread
-	ld_d	22, THREAD_FPR22, \thread
-	ld_d	23, THREAD_FPR23, \thread
-	ld_d	24, THREAD_FPR24, \thread
-	ld_d	25, THREAD_FPR25, \thread
-	ld_d	26, THREAD_FPR26, \thread
-	ld_d	27, THREAD_FPR27, \thread
-	ld_d	28, THREAD_FPR28, \thread
-	ld_d	29, THREAD_FPR29, \thread
-	ld_d	30, THREAD_FPR30, \thread
-	ld_d	31, THREAD_FPR31, \thread
-	.endm
+#ifdef TOOLCHAIN_SUPPORTS_MSA
+	PTR_ADDU FPR_BASE, \thread, FPR_BASE_OFFS
+#endif
+	ld_d	 0, THREAD_FPR0  - FPR_BASE_OFFS, FPR_BASE
+	ld_d	 1, THREAD_FPR1  - FPR_BASE_OFFS, FPR_BASE
+	ld_d	 2, THREAD_FPR2  - FPR_BASE_OFFS, FPR_BASE
+	ld_d	 3, THREAD_FPR3  - FPR_BASE_OFFS, FPR_BASE
+	ld_d	 4, THREAD_FPR4  - FPR_BASE_OFFS, FPR_BASE
+	ld_d	 5, THREAD_FPR5  - FPR_BASE_OFFS, FPR_BASE
+	ld_d	 6, THREAD_FPR6  - FPR_BASE_OFFS, FPR_BASE
+	ld_d	 7, THREAD_FPR7  - FPR_BASE_OFFS, FPR_BASE
+	ld_d	 8, THREAD_FPR8  - FPR_BASE_OFFS, FPR_BASE
+	ld_d	 9, THREAD_FPR9  - FPR_BASE_OFFS, FPR_BASE
+	ld_d	10, THREAD_FPR10 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	11, THREAD_FPR11 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	12, THREAD_FPR12 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	13, THREAD_FPR13 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	14, THREAD_FPR14 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	15, THREAD_FPR15 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	16, THREAD_FPR16 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	17, THREAD_FPR17 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	18, THREAD_FPR18 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	19, THREAD_FPR19 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	20, THREAD_FPR20 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	21, THREAD_FPR21 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	22, THREAD_FPR22 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	23, THREAD_FPR23 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	24, THREAD_FPR24 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	25, THREAD_FPR25 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	26, THREAD_FPR26 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	27, THREAD_FPR27 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	28, THREAD_FPR28 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	29, THREAD_FPR29 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	30, THREAD_FPR30 - FPR_BASE_OFFS, FPR_BASE
+	ld_d	31, THREAD_FPR31 - FPR_BASE_OFFS, FPR_BASE
+	.set pop
+	.endm
+
+#undef FPR_BASE_OFFS
+#undef FPR_BASE
 
 	.macro	msa_init_upper wd
 #ifdef CONFIG_64BIT
diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index ce9666cf1..fa57cef12 100644
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -19,25 +19,10 @@
 #include <asm/byteorder.h>		/* sigh ... */
 #include <asm/compiler.h>
 #include <asm/cpu-features.h>
+#include <asm/llsc.h>
 #include <asm/sgidefs.h>
 #include <asm/war.h>
 
-#if _MIPS_SZLONG == 32
-#define SZLONG_LOG 5
-#define SZLONG_MASK 31UL
-#define __LL		"ll	"
-#define __SC		"sc	"
-#define __INS		"ins	"
-#define __EXT		"ext	"
-#elif _MIPS_SZLONG == 64
-#define SZLONG_LOG 6
-#define SZLONG_MASK 63UL
-#define __LL		"lld	"
-#define __SC		"scd	"
-#define __INS		"dins	 "
-#define __EXT		"dext	 "
-#endif
-
 /*
  * These are the "slower" versions of the functions and are in bitops.c.
  * These functions call raw_local_irq_{save,restore}().
diff --git a/arch/mips/include/asm/bitrev.h b/arch/mips/include/asm/bitrev.h
new file mode 100644
index 000000000..bc739a404
--- /dev/null
+++ b/arch/mips/include/asm/bitrev.h
@@ -0,0 +1,30 @@
+#ifndef __MIPS_ASM_BITREV_H__
+#define __MIPS_ASM_BITREV_H__
+
+#include <linux/swab.h>
+
+static __always_inline __attribute_const__ u32 __arch_bitrev32(u32 x)
+{
+	u32 ret;
+
+	asm("bitswap	%0, %1" : "=r"(ret) : "r"(__swab32(x)));
+	return ret;
+}
+
+static __always_inline __attribute_const__ u16 __arch_bitrev16(u16 x)
+{
+	u16 ret;
+
+	asm("bitswap	%0, %1" : "=r"(ret) : "r"(__swab16(x)));
+	return ret;
+}
+
+static __always_inline __attribute_const__ u8 __arch_bitrev8(u8 x)
+{
+	u8 ret;
+
+	asm("bitswap	%0, %1" : "=r"(ret) : "r"(x));
+	return ret;
+}
+
+#endif /* __MIPS_ASM_BITREV_H__ */
diff --git a/arch/mips/include/asm/bmips.h b/arch/mips/include/asm/bmips.h
index 6d25ad33e..a92aee7b9 100644
--- a/arch/mips/include/asm/bmips.h
+++ b/arch/mips/include/asm/bmips.h
@@ -88,6 +88,7 @@ extern unsigned long bmips_tp1_irqs;
 
 extern void bmips_ebase_setup(void);
 extern asmlinkage void plat_wired_tlb_setup(void);
+extern void bmips_cpu_setup(void);
 
 static inline unsigned long bmips_read_zscm_reg(unsigned int offset)
 {
diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h
index b603804ca..9f6703396 100644
--- a/arch/mips/include/asm/bootinfo.h
+++ b/arch/mips/include/asm/bootinfo.h
@@ -144,4 +144,22 @@ static inline void plat_swiotlb_setup(void) {}
 
 #endif /* CONFIG_SWIOTLB */
 
+#ifdef CONFIG_USE_OF
+/**
+ * plat_get_fdt() - Return a pointer to the platform's device tree blob
+ *
+ * This function provides a platform independent API to get a pointer to the
+ * flattened device tree blob. The interface between bootloader and kernel
+ * is not consistent across platforms so it is necessary to provide this
+ * API such that common startup code can locate the FDT.
+ *
+ * This is used by the KASLR code to get command line arguments and random
+ * seed from the device tree. Any platform wishing to use KASLR should
+ * provide this API and select SYS_SUPPORTS_RELOCATABLE.
+ *
+ * Return: Pointer to the flattened device tree blob.
+ */
+extern void *plat_get_fdt(void);
+#endif /* CONFIG_USE_OF */
+
 #endif /* _ASM_BOOTINFO_H */
diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
index 176de586a..34ed22ec6 100644
--- a/arch/mips/include/asm/cacheflush.h
+++ b/arch/mips/include/asm/cacheflush.h
@@ -126,6 +126,7 @@ static inline void kunmap_noncoherent(void)
 static inline void flush_kernel_dcache_page(struct page *page)
 {
 	BUG_ON(cpu_has_dc_aliases && PageHighMem(page));
+	flush_dcache_page(page);
 }
 
 /*
diff --git a/arch/mips/include/asm/cacheops.h b/arch/mips/include/asm/cacheops.h
index c3212ff26..8031fbc6b 100644
--- a/arch/mips/include/asm/cacheops.h
+++ b/arch/mips/include/asm/cacheops.h
@@ -21,6 +21,7 @@
 #define Cache_I				0x00
 #define Cache_D				0x01
 #define Cache_T				0x02
+#define Cache_V				0x02 /* Loongson-3 */
 #define Cache_S				0x03
 
 #define Index_Writeback_Inv		0x00
@@ -107,4 +108,9 @@
  */
 #define Hit_Invalidate_I_Loongson2	(Cache_I | 0x00)
 
+/*
+ * Loongson3-specific cacheops
+ */
+#define Index_Writeback_Inv_V		(Cache_V | Index_Writeback_Inv)
+
 #endif	/* __ASM_CACHEOPS_H */
diff --git a/arch/mips/include/asm/clkdev.h b/arch/mips/include/asm/clkdev.h
deleted file mode 100644
index 1b3ad7b09..000000000
--- a/arch/mips/include/asm/clkdev.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- *  based on arch/arm/include/asm/clkdev.h
- *
- *  Copyright (C) 2008 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Helper for the clk API to assist looking up a struct clk.
- */
-#ifndef __ASM_CLKDEV_H
-#define __ASM_CLKDEV_H
-
-#include <linux/slab.h>
-
-#ifndef CONFIG_COMMON_CLK
-#define __clk_get(clk)	({ 1; })
-#define __clk_put(clk)	do { } while (0)
-#endif
-
-static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size)
-{
-	return kzalloc(size, GFP_KERNEL);
-}
-
-#endif
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index eeec8c8e2..e961c8a7e 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -35,6 +35,9 @@
 #ifndef cpu_has_htw
 #define cpu_has_htw		(cpu_data[0].options & MIPS_CPU_HTW)
 #endif
+#ifndef cpu_has_ldpte
+#define cpu_has_ldpte		(cpu_data[0].options & MIPS_CPU_LDPTE)
+#endif
 #ifndef cpu_has_rixiex
 #define cpu_has_rixiex		(cpu_data[0].options & MIPS_CPU_RIXIEX)
 #endif
@@ -117,6 +120,21 @@
 #ifndef kernel_uses_llsc
 #define kernel_uses_llsc	cpu_has_llsc
 #endif
+#ifndef cpu_has_guestctl0ext
+#define cpu_has_guestctl0ext	(cpu_data[0].options & MIPS_CPU_GUESTCTL0EXT)
+#endif
+#ifndef cpu_has_guestctl1
+#define cpu_has_guestctl1	(cpu_data[0].options & MIPS_CPU_GUESTCTL1)
+#endif
+#ifndef cpu_has_guestctl2
+#define cpu_has_guestctl2	(cpu_data[0].options & MIPS_CPU_GUESTCTL2)
+#endif
+#ifndef cpu_has_guestid
+#define cpu_has_guestid		(cpu_data[0].options & MIPS_CPU_GUESTID)
+#endif
+#ifndef cpu_has_drg
+#define cpu_has_drg		(cpu_data[0].options & MIPS_CPU_DRG)
+#endif
 #ifndef cpu_has_mips16
 #define cpu_has_mips16		(cpu_data[0].ases & MIPS_ASE_MIPS16)
 #endif
@@ -142,8 +160,14 @@
 # endif
 #endif
 
+#ifndef cpu_has_lpa
+#define cpu_has_lpa		(cpu_data[0].options & MIPS_CPU_LPA)
+#endif
+#ifndef cpu_has_mvh
+#define cpu_has_mvh		(cpu_data[0].options & MIPS_CPU_MVH)
+#endif
 #ifndef cpu_has_xpa
-#define cpu_has_xpa		(cpu_data[0].options & MIPS_CPU_XPA)
+#define cpu_has_xpa		(cpu_has_lpa && cpu_has_mvh)
 #endif
 #ifndef cpu_has_vtag_icache
 #define cpu_has_vtag_icache	(cpu_data[0].icache.flags & MIPS_CACHE_VTAG)
@@ -180,6 +204,16 @@
 #endif
 #endif
 
+/* __builtin_constant_p(cpu_has_mips_r) && cpu_has_mips_r */
+#if !((defined(cpu_has_mips32r1) && cpu_has_mips32r1) || \
+	  (defined(cpu_has_mips32r2) && cpu_has_mips32r2) || \
+	  (defined(cpu_has_mips32r6) && cpu_has_mips32r6) || \
+	  (defined(cpu_has_mips64r1) && cpu_has_mips64r1) || \
+	  (defined(cpu_has_mips64r2) && cpu_has_mips64r2) || \
+	  (defined(cpu_has_mips64r6) && cpu_has_mips64r6))
+#define CPU_NO_EFFICIENT_FFS 1
+#endif
+
 #ifndef cpu_has_mips_1
 # define cpu_has_mips_1		(!cpu_has_mips_r6)
 #endif
@@ -307,10 +341,18 @@
 #define cpu_has_dsp2		(cpu_data[0].ases & MIPS_ASE_DSP2P)
 #endif
 
+#ifndef cpu_has_dsp3
+#define cpu_has_dsp3		(cpu_data[0].ases & MIPS_ASE_DSP3)
+#endif
+
 #ifndef cpu_has_mipsmt
 #define cpu_has_mipsmt		(cpu_data[0].ases & MIPS_ASE_MIPSMT)
 #endif
 
+#ifndef cpu_has_vp
+#define cpu_has_vp		(cpu_data[0].options & MIPS_CPU_VP)
+#endif
+
 #ifndef cpu_has_userlocal
 #define cpu_has_userlocal	(cpu_data[0].options & MIPS_CPU_ULRI)
 #endif
@@ -421,4 +463,107 @@
 #define cpu_has_nan_2008	(cpu_data[0].options & MIPS_CPU_NAN_2008)
 #endif
 
+#ifndef cpu_has_ebase_wg
+# define cpu_has_ebase_wg	(cpu_data[0].options & MIPS_CPU_EBASE_WG)
+#endif
+
+#ifndef cpu_has_badinstr
+# define cpu_has_badinstr	(cpu_data[0].options & MIPS_CPU_BADINSTR)
+#endif
+
+#ifndef cpu_has_badinstrp
+# define cpu_has_badinstrp	(cpu_data[0].options & MIPS_CPU_BADINSTRP)
+#endif
+
+#ifndef cpu_has_contextconfig
+# define cpu_has_contextconfig	(cpu_data[0].options & MIPS_CPU_CTXTC)
+#endif
+
+#ifndef cpu_has_perf
+# define cpu_has_perf		(cpu_data[0].options & MIPS_CPU_PERF)
+#endif
+
+/*
+ * Guest capabilities
+ */
+#ifndef cpu_guest_has_conf1
+#define cpu_guest_has_conf1	(cpu_data[0].guest.conf & (1 << 1))
+#endif
+#ifndef cpu_guest_has_conf2
+#define cpu_guest_has_conf2	(cpu_data[0].guest.conf & (1 << 2))
+#endif
+#ifndef cpu_guest_has_conf3
+#define cpu_guest_has_conf3	(cpu_data[0].guest.conf & (1 << 3))
+#endif
+#ifndef cpu_guest_has_conf4
+#define cpu_guest_has_conf4	(cpu_data[0].guest.conf & (1 << 4))
+#endif
+#ifndef cpu_guest_has_conf5
+#define cpu_guest_has_conf5	(cpu_data[0].guest.conf & (1 << 5))
+#endif
+#ifndef cpu_guest_has_conf6
+#define cpu_guest_has_conf6	(cpu_data[0].guest.conf & (1 << 6))
+#endif
+#ifndef cpu_guest_has_conf7
+#define cpu_guest_has_conf7	(cpu_data[0].guest.conf & (1 << 7))
+#endif
+#ifndef cpu_guest_has_fpu
+#define cpu_guest_has_fpu	(cpu_data[0].guest.options & MIPS_CPU_FPU)
+#endif
+#ifndef cpu_guest_has_watch
+#define cpu_guest_has_watch	(cpu_data[0].guest.options & MIPS_CPU_WATCH)
+#endif
+#ifndef cpu_guest_has_contextconfig
+#define cpu_guest_has_contextconfig (cpu_data[0].guest.options & MIPS_CPU_CTXTC)
+#endif
+#ifndef cpu_guest_has_segments
+#define cpu_guest_has_segments	(cpu_data[0].guest.options & MIPS_CPU_SEGMENTS)
+#endif
+#ifndef cpu_guest_has_badinstr
+#define cpu_guest_has_badinstr	(cpu_data[0].guest.options & MIPS_CPU_BADINSTR)
+#endif
+#ifndef cpu_guest_has_badinstrp
+#define cpu_guest_has_badinstrp	(cpu_data[0].guest.options & MIPS_CPU_BADINSTRP)
+#endif
+#ifndef cpu_guest_has_htw
+#define cpu_guest_has_htw	(cpu_data[0].guest.options & MIPS_CPU_HTW)
+#endif
+#ifndef cpu_guest_has_msa
+#define cpu_guest_has_msa	(cpu_data[0].guest.ases & MIPS_ASE_MSA)
+#endif
+#ifndef cpu_guest_has_kscr
+#define cpu_guest_has_kscr(n)	(cpu_data[0].guest.kscratch_mask & (1u << (n)))
+#endif
+#ifndef cpu_guest_has_rw_llb
+#define cpu_guest_has_rw_llb	(cpu_has_mips_r6 || (cpu_data[0].guest.options & MIPS_CPU_RW_LLB))
+#endif
+#ifndef cpu_guest_has_perf
+#define cpu_guest_has_perf	(cpu_data[0].guest.options & MIPS_CPU_PERF)
+#endif
+#ifndef cpu_guest_has_maar
+#define cpu_guest_has_maar	(cpu_data[0].guest.options & MIPS_CPU_MAAR)
+#endif
+
+/*
+ * Guest dynamic capabilities
+ */
+#ifndef cpu_guest_has_dyn_fpu
+#define cpu_guest_has_dyn_fpu	(cpu_data[0].guest.options_dyn & MIPS_CPU_FPU)
+#endif
+#ifndef cpu_guest_has_dyn_watch
+#define cpu_guest_has_dyn_watch	(cpu_data[0].guest.options_dyn & MIPS_CPU_WATCH)
+#endif
+#ifndef cpu_guest_has_dyn_contextconfig
+#define cpu_guest_has_dyn_contextconfig (cpu_data[0].guest.options_dyn & MIPS_CPU_CTXTC)
+#endif
+#ifndef cpu_guest_has_dyn_perf
+#define cpu_guest_has_dyn_perf	(cpu_data[0].guest.options_dyn & MIPS_CPU_PERF)
+#endif
+#ifndef cpu_guest_has_dyn_msa
+#define cpu_guest_has_dyn_msa	(cpu_data[0].guest.ases_dyn & MIPS_ASE_MSA)
+#endif
+#ifndef cpu_guest_has_dyn_maar
+#define cpu_guest_has_dyn_maar	(cpu_data[0].guest.options_dyn & MIPS_CPU_MAAR)
+#endif
+
 #endif /* __ASM_CPU_FEATURES_H */
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h
index af12c1f9f..edbe2734a 100644
--- a/arch/mips/include/asm/cpu-info.h
+++ b/arch/mips/include/asm/cpu-info.h
@@ -28,6 +28,15 @@ struct cache_desc {
 	unsigned char flags;	/* Flags describing cache properties */
 };
 
+struct guest_info {
+	unsigned long		ases;
+	unsigned long		ases_dyn;
+	unsigned long long	options;
+	unsigned long long	options_dyn;
+	u8			conf;
+	u8			kscratch_mask;
+};
+
 /*
  * Flag definitions
  */
@@ -40,6 +49,9 @@ struct cache_desc {
 
 struct cpuinfo_mips {
 	unsigned long		asid_cache;
+#ifdef CONFIG_MIPS_ASID_BITS_VARIABLE
+	unsigned long		asid_mask;
+#endif
 
 	/*
 	 * Capability and feature descriptor structure for MIPS CPU
@@ -60,6 +72,7 @@ struct cpuinfo_mips {
 	int			tlbsizeftlbways;
 	struct cache_desc	icache; /* Primary I-cache */
 	struct cache_desc	dcache; /* Primary D or combined I/D cache */
+	struct cache_desc	vcache; /* Victim cache, between pcache and scache */
 	struct cache_desc	scache; /* Secondary cache */
 	struct cache_desc	tcache; /* Tertiary/split secondary cache */
 	int			srsets; /* Shadow register sets */
@@ -68,7 +81,7 @@ struct cpuinfo_mips {
 #ifdef CONFIG_64BIT
 	int			vmbits; /* Virtual memory size in bits */
 #endif
-#ifdef CONFIG_MIPS_MT_SMP
+#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_CPU_MIPSR6)
 	/*
 	 * There is not necessarily a 1:1 mapping of VPE num to CPU number
 	 * in particular on multi-core systems.
@@ -91,6 +104,11 @@ struct cpuinfo_mips {
 	 * htw_start/htw_stop calls
 	 */
 	unsigned int		htw_seq;
+
+	/* VZ & Guest features */
+	struct guest_info	guest;
+	unsigned int		gtoffset_mask;
+	unsigned int		guestid_mask;
 } __attribute__((aligned(SMP_CACHE_BYTES)));
 
 extern struct cpuinfo_mips cpu_data[];
@@ -125,10 +143,31 @@ struct proc_cpuinfo_notifier_args {
 	unsigned long n;
 };
 
-#ifdef CONFIG_MIPS_MT_SMP
+#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_CPU_MIPSR6)
 # define cpu_vpe_id(cpuinfo)	((cpuinfo)->vpe_id)
 #else
 # define cpu_vpe_id(cpuinfo)	({ (void)cpuinfo; 0; })
 #endif
 
+static inline unsigned long cpu_asid_inc(void)
+{
+	return 1 << CONFIG_MIPS_ASID_SHIFT;
+}
+
+static inline unsigned long cpu_asid_mask(struct cpuinfo_mips *cpuinfo)
+{
+#ifdef CONFIG_MIPS_ASID_BITS_VARIABLE
+	return cpuinfo->asid_mask;
+#endif
+	return ((1 << CONFIG_MIPS_ASID_BITS) - 1) << CONFIG_MIPS_ASID_SHIFT;
+}
+
+static inline void set_cpu_asid_mask(struct cpuinfo_mips *cpuinfo,
+				     unsigned long asid_mask)
+{
+#ifdef CONFIG_MIPS_ASID_BITS_VARIABLE
+	cpuinfo->asid_mask = asid_mask;
+#endif
+}
+
 #endif /* __ASM_CPU_INFO_H */
diff --git a/arch/mips/include/asm/cpu-type.h b/arch/mips/include/asm/cpu-type.h
index abee2bfd1..fbe1881f2 100644
--- a/arch/mips/include/asm/cpu-type.h
+++ b/arch/mips/include/asm/cpu-type.h
@@ -77,8 +77,13 @@ static inline int __pure __get_cpu_type(const int cpu_type)
 	 */
 #endif
 
+#ifdef CONFIG_SYS_HAS_CPU_MIPS32_R6
+	case CPU_M6250:
+#endif
+
 #ifdef CONFIG_SYS_HAS_CPU_MIPS64_R6
 	case CPU_I6400:
+	case CPU_P6600:
 #endif
 
 #ifdef CONFIG_SYS_HAS_CPU_R3000
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index a97ca9728..f672df8b2 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -42,6 +42,7 @@
 #define PRID_COMP_LEXRA		0x0b0000
 #define PRID_COMP_NETLOGIC	0x0c0000
 #define PRID_COMP_CAVIUM	0x0d0000
+#define PRID_COMP_LOONGSON	0x140000
 #define PRID_COMP_INGENIC_D0	0xd00000	/* JZ4740, JZ4750 */
 #define PRID_COMP_INGENIC_D1	0xd10000	/* JZ4770, JZ4775 */
 #define PRID_COMP_INGENIC_E1	0xe10000	/* JZ4780 */
@@ -118,9 +119,11 @@
 #define PRID_IMP_INTERAPTIV_MP	0xa100
 #define PRID_IMP_PROAPTIV_UP	0xa200
 #define PRID_IMP_PROAPTIV_MP	0xa300
+#define PRID_IMP_P6600		0xa400
 #define PRID_IMP_M5150		0xa700
 #define PRID_IMP_P5600		0xa800
 #define PRID_IMP_I6400		0xa900
+#define PRID_IMP_M6250		0xab00
 
 /*
  * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
@@ -169,6 +172,8 @@
 #define PRID_IMP_CAVIUM_CNF71XX 0x9400
 #define PRID_IMP_CAVIUM_CN78XX 0x9500
 #define PRID_IMP_CAVIUM_CN70XX 0x9600
+#define PRID_IMP_CAVIUM_CN73XX 0x9700
+#define PRID_IMP_CAVIUM_CNF75XX 0x9800
 
 /*
  * These are the PRID's for when 23:16 == PRID_COMP_INGENIC_*
@@ -237,9 +242,10 @@
 #define PRID_REV_LOONGSON1B	0x0020
 #define PRID_REV_LOONGSON2E	0x0002
 #define PRID_REV_LOONGSON2F	0x0003
-#define PRID_REV_LOONGSON3A	0x0005
+#define PRID_REV_LOONGSON3A_R1	0x0005
 #define PRID_REV_LOONGSON3B_R1	0x0006
 #define PRID_REV_LOONGSON3B_R2	0x0007
+#define PRID_REV_LOONGSON3A_R2	0x0008
 
 /*
  * Older processors used to encode processor version and revision in two
@@ -307,8 +313,8 @@ enum cpu_type_enum {
 	CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
 	CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
 	CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC,
-	CPU_M14KEC, CPU_INTERAPTIV, CPU_P5600, CPU_PROAPTIV, CPU_1074K, CPU_M5150,
-	CPU_I6400,
+	CPU_M14KEC, CPU_INTERAPTIV, CPU_P5600, CPU_PROAPTIV, CPU_1074K,
+	CPU_M5150, CPU_I6400, CPU_P6600, CPU_M6250,
 
 	/*
 	 * MIPS64 class processors
@@ -346,48 +352,68 @@ enum cpu_type_enum {
 	MIPS_CPU_ISA_M64R6)
 
 /*
+ * Private version of BIT_ULL() to escape include file recursion hell.
+ * We soon will have to switch to another mechanism that will work with
+ * more than 64 bits anyway.
+ */
+#define MBIT_ULL(bit)		(1ULL << (bit))
+
+/*
  * CPU Option encodings
  */
-#define MIPS_CPU_TLB		0x00000001ull /* CPU has TLB */
-#define MIPS_CPU_4KEX		0x00000002ull /* "R4K" exception model */
-#define MIPS_CPU_3K_CACHE	0x00000004ull /* R3000-style caches */
-#define MIPS_CPU_4K_CACHE	0x00000008ull /* R4000-style caches */
-#define MIPS_CPU_TX39_CACHE	0x00000010ull /* TX3900-style caches */
-#define MIPS_CPU_FPU		0x00000020ull /* CPU has FPU */
-#define MIPS_CPU_32FPR		0x00000040ull /* 32 dbl. prec. FP registers */
-#define MIPS_CPU_COUNTER	0x00000080ull /* Cycle count/compare */
-#define MIPS_CPU_WATCH		0x00000100ull /* watchpoint registers */
-#define MIPS_CPU_DIVEC		0x00000200ull /* dedicated interrupt vector */
-#define MIPS_CPU_VCE		0x00000400ull /* virt. coherence conflict possible */
-#define MIPS_CPU_CACHE_CDEX_P	0x00000800ull /* Create_Dirty_Exclusive CACHE op */
-#define MIPS_CPU_CACHE_CDEX_S	0x00001000ull /* ... same for seconary cache ... */
-#define MIPS_CPU_MCHECK		0x00002000ull /* Machine check exception */
-#define MIPS_CPU_EJTAG		0x00004000ull /* EJTAG exception */
-#define MIPS_CPU_NOFPUEX	0x00008000ull /* no FPU exception */
-#define MIPS_CPU_LLSC		0x00010000ull /* CPU has ll/sc instructions */
-#define MIPS_CPU_INCLUSIVE_CACHES	0x00020000ull /* P-cache subset enforced */
-#define MIPS_CPU_PREFETCH	0x00040000ull /* CPU has usable prefetch */
-#define MIPS_CPU_VINT		0x00080000ull /* CPU supports MIPSR2 vectored interrupts */
-#define MIPS_CPU_VEIC		0x00100000ull /* CPU supports MIPSR2 external interrupt controller mode */
-#define MIPS_CPU_ULRI		0x00200000ull /* CPU has ULRI feature */
-#define MIPS_CPU_PCI		0x00400000ull /* CPU has Perf Ctr Int indicator */
-#define MIPS_CPU_RIXI		0x00800000ull /* CPU has TLB Read/eXec Inhibit */
-#define MIPS_CPU_MICROMIPS	0x01000000ull /* CPU has microMIPS capability */
-#define MIPS_CPU_TLBINV		0x02000000ull /* CPU supports TLBINV/F */
-#define MIPS_CPU_SEGMENTS	0x04000000ull /* CPU supports Segmentation Control registers */
-#define MIPS_CPU_EVA		0x80000000ull /* CPU supports Enhanced Virtual Addressing */
-#define MIPS_CPU_HTW		0x100000000ull /* CPU support Hardware Page Table Walker */
-#define MIPS_CPU_RIXIEX		0x200000000ull /* CPU has unique exception codes for {Read, Execute}-Inhibit exceptions */
-#define MIPS_CPU_MAAR		0x400000000ull /* MAAR(I) registers are present */
-#define MIPS_CPU_FRE		0x800000000ull /* FRE & UFE bits implemented */
-#define MIPS_CPU_RW_LLB		0x1000000000ull /* LLADDR/LLB writes are allowed */
-#define MIPS_CPU_XPA		0x2000000000ull /* CPU supports Extended Physical Addressing */
-#define MIPS_CPU_CDMM		0x4000000000ull	/* CPU has Common Device Memory Map */
-#define MIPS_CPU_BP_GHIST	0x8000000000ull /* R12K+ Branch Prediction Global History */
-#define MIPS_CPU_SP		0x10000000000ull /* Small (1KB) page support */
-#define MIPS_CPU_FTLB		0x20000000000ull /* CPU has Fixed-page-size TLB */
-#define MIPS_CPU_NAN_LEGACY	0x40000000000ull /* Legacy NaN implemented */
-#define MIPS_CPU_NAN_2008	0x80000000000ull /* 2008 NaN implemented */
+#define MIPS_CPU_TLB		MBIT_ULL( 0)	/* CPU has TLB */
+#define MIPS_CPU_4KEX		MBIT_ULL( 1)	/* "R4K" exception model */
+#define MIPS_CPU_3K_CACHE	MBIT_ULL( 2)	/* R3000-style caches */
+#define MIPS_CPU_4K_CACHE	MBIT_ULL( 3)	/* R4000-style caches */
+#define MIPS_CPU_TX39_CACHE	MBIT_ULL( 4)	/* TX3900-style caches */
+#define MIPS_CPU_FPU		MBIT_ULL( 5)	/* CPU has FPU */
+#define MIPS_CPU_32FPR		MBIT_ULL( 6)	/* 32 dbl. prec. FP registers */
+#define MIPS_CPU_COUNTER	MBIT_ULL( 7)	/* Cycle count/compare */
+#define MIPS_CPU_WATCH		MBIT_ULL( 8)	/* watchpoint registers */
+#define MIPS_CPU_DIVEC		MBIT_ULL( 9)	/* dedicated interrupt vector */
+#define MIPS_CPU_VCE		MBIT_ULL(10)	/* virt. coherence conflict possible */
+#define MIPS_CPU_CACHE_CDEX_P	MBIT_ULL(11)	/* Create_Dirty_Exclusive CACHE op */
+#define MIPS_CPU_CACHE_CDEX_S	MBIT_ULL(12)	/* ... same for seconary cache ... */
+#define MIPS_CPU_MCHECK		MBIT_ULL(13)	/* Machine check exception */
+#define MIPS_CPU_EJTAG		MBIT_ULL(14)	/* EJTAG exception */
+#define MIPS_CPU_NOFPUEX	MBIT_ULL(15)	/* no FPU exception */
+#define MIPS_CPU_LLSC		MBIT_ULL(16)	/* CPU has ll/sc instructions */
+#define MIPS_CPU_INCLUSIVE_CACHES	MBIT_ULL(17)	/* P-cache subset enforced */
+#define MIPS_CPU_PREFETCH	MBIT_ULL(18)	/* CPU has usable prefetch */
+#define MIPS_CPU_VINT		MBIT_ULL(19)	/* CPU supports MIPSR2 vectored interrupts */
+#define MIPS_CPU_VEIC		MBIT_ULL(20)	/* CPU supports MIPSR2 external interrupt controller mode */
+#define MIPS_CPU_ULRI		MBIT_ULL(21)	/* CPU has ULRI feature */
+#define MIPS_CPU_PCI		MBIT_ULL(22)	/* CPU has Perf Ctr Int indicator */
+#define MIPS_CPU_RIXI		MBIT_ULL(23)	/* CPU has TLB Read/eXec Inhibit */
+#define MIPS_CPU_MICROMIPS	MBIT_ULL(24)	/* CPU has microMIPS capability */
+#define MIPS_CPU_TLBINV		MBIT_ULL(25)	/* CPU supports TLBINV/F */
+#define MIPS_CPU_SEGMENTS	MBIT_ULL(26)	/* CPU supports Segmentation Control registers */
+#define MIPS_CPU_EVA		MBIT_ULL(27)	/* CPU supports Enhanced Virtual Addressing */
+#define MIPS_CPU_HTW		MBIT_ULL(28)	/* CPU support Hardware Page Table Walker */
+#define MIPS_CPU_RIXIEX		MBIT_ULL(29)	/* CPU has unique exception codes for {Read, Execute}-Inhibit exceptions */
+#define MIPS_CPU_MAAR		MBIT_ULL(30)	/* MAAR(I) registers are present */
+#define MIPS_CPU_FRE		MBIT_ULL(31)	/* FRE & UFE bits implemented */
+#define MIPS_CPU_RW_LLB		MBIT_ULL(32)	/* LLADDR/LLB writes are allowed */
+#define MIPS_CPU_LPA		MBIT_ULL(33)	/* CPU supports Large Physical Addressing */
+#define MIPS_CPU_CDMM		MBIT_ULL(34)	/* CPU has Common Device Memory Map */
+#define MIPS_CPU_BP_GHIST	MBIT_ULL(35)	/* R12K+ Branch Prediction Global History */
+#define MIPS_CPU_SP		MBIT_ULL(36)	/* Small (1KB) page support */
+#define MIPS_CPU_FTLB		MBIT_ULL(37)	/* CPU has Fixed-page-size TLB */
+#define MIPS_CPU_NAN_LEGACY	MBIT_ULL(38)	/* Legacy NaN implemented */
+#define MIPS_CPU_NAN_2008	MBIT_ULL(39)	/* 2008 NaN implemented */
+#define MIPS_CPU_VP		MBIT_ULL(40)	/* MIPSr6 Virtual Processors (multi-threading) */
+#define MIPS_CPU_LDPTE		MBIT_ULL(41)	/* CPU has ldpte/lddir instructions */
+#define MIPS_CPU_MVH		MBIT_ULL(42)	/* CPU supports MFHC0/MTHC0 */
+#define MIPS_CPU_EBASE_WG	MBIT_ULL(43)	/* CPU has EBase.WG */
+#define MIPS_CPU_BADINSTR	MBIT_ULL(44)	/* CPU has BadInstr register */
+#define MIPS_CPU_BADINSTRP	MBIT_ULL(45)	/* CPU has BadInstrP register */
+#define MIPS_CPU_CTXTC		MBIT_ULL(46)	/* CPU has [X]ConfigContext registers */
+#define MIPS_CPU_PERF		MBIT_ULL(47)	/* CPU has MIPS performance counters */
+#define MIPS_CPU_GUESTCTL0EXT	MBIT_ULL(48)	/* CPU has VZ GuestCtl0Ext register */
+#define MIPS_CPU_GUESTCTL1	MBIT_ULL(49)	/* CPU has VZ GuestCtl1 register */
+#define MIPS_CPU_GUESTCTL2	MBIT_ULL(50)	/* CPU has VZ GuestCtl2 register */
+#define MIPS_CPU_GUESTID	MBIT_ULL(51)	/* CPU uses VZ ASE GuestID feature */
+#define MIPS_CPU_DRG		MBIT_ULL(52)	/* CPU has VZ Direct Root to Guest (DRG) */
 
 /*
  * CPU ASE encodings
@@ -401,5 +427,6 @@ enum cpu_type_enum {
 #define MIPS_ASE_DSP2P		0x00000040 /* Signal Processing ASE Rev 2 */
 #define MIPS_ASE_VZ		0x00000080 /* Virtualization ASE */
 #define MIPS_ASE_MSA		0x00000100 /* MIPS SIMD Architecture */
+#define MIPS_ASE_DSP3		0x00000200 /* Signal Processing ASE Rev 3*/
 
 #endif /* _ASM_CPU_H */
diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
index e090fc388..f5f457179 100644
--- a/arch/mips/include/asm/elf.h
+++ b/arch/mips/include/asm/elf.h
@@ -111,6 +111,11 @@
 #define R_MIPS_CALLHI16		30
 #define R_MIPS_CALLLO16		31
 /*
+ * Introduced for MIPSr6.
+ */
+#define R_MIPS_PC21_S2		60
+#define R_MIPS_PC26_S2		61
+/*
  * This range is reserved for vendor specific relocations.
  */
 #define R_MIPS_LOVENDOR		100
@@ -170,16 +175,14 @@
 #define SHF_MIPS_NAMES		0x02000000
 #define SHF_MIPS_NODUPES	0x01000000
 
-#ifndef ELF_ARCH
-/* ELF register definitions */
-#define ELF_NGREG	45
-#define ELF_NFPREG	33
-
-typedef unsigned long elf_greg_t;
-typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-
-typedef double elf_fpreg_t;
-typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+#define MIPS_ABI_FP_ANY		0	/* FP ABI doesn't matter */
+#define MIPS_ABI_FP_DOUBLE	1	/* -mdouble-float */
+#define MIPS_ABI_FP_SINGLE	2	/* -msingle-float */
+#define MIPS_ABI_FP_SOFT	3	/* -msoft-float */
+#define MIPS_ABI_FP_OLD_64	4	/* -mips32r2 -mfp64 */
+#define MIPS_ABI_FP_XX		5	/* -mfpxx */
+#define MIPS_ABI_FP_64		6	/* -mips32r2 -mfp64 */
+#define MIPS_ABI_FP_64A		7	/* -mips32r2 -mfp64 -mno-odd-spreg */
 
 struct mips_elf_abiflags_v0 {
 	uint16_t version;	/* Version of flags structure */
@@ -196,16 +199,54 @@ struct mips_elf_abiflags_v0 {
 	uint32_t flags2;
 };
 
-#define MIPS_ABI_FP_ANY		0	/* FP ABI doesn't matter */
-#define MIPS_ABI_FP_DOUBLE	1	/* -mdouble-float */
-#define MIPS_ABI_FP_SINGLE	2	/* -msingle-float */
-#define MIPS_ABI_FP_SOFT	3	/* -msoft-float */
-#define MIPS_ABI_FP_OLD_64	4	/* -mips32r2 -mfp64 */
-#define MIPS_ABI_FP_XX		5	/* -mfpxx */
-#define MIPS_ABI_FP_64		6	/* -mips32r2 -mfp64 */
-#define MIPS_ABI_FP_64A		7	/* -mips32r2 -mfp64 -mno-odd-spreg */
+#ifndef ELF_ARCH
+/* ELF register definitions */
+#define ELF_NGREG	45
+#define ELF_NFPREG	33
+
+typedef unsigned long elf_greg_t;
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef double elf_fpreg_t;
+typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
 
 #ifdef CONFIG_32BIT
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch elfo32_check_arch
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS	ELFCLASS32
+
+#endif /* CONFIG_32BIT */
+
+#ifdef CONFIG_64BIT
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch elfn64_check_arch
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS	ELFCLASS64
+
+#endif /* CONFIG_64BIT */
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#ifdef __MIPSEB__
+#define ELF_DATA	ELFDATA2MSB
+#elif defined(__MIPSEL__)
+#define ELF_DATA	ELFDATA2LSB
+#endif
+#define ELF_ARCH	EM_MIPS
+
+#endif /* !defined(ELF_ARCH) */
 
 /*
  * In order to be sure that we don't attempt to execute an O32 binary which
@@ -219,10 +260,15 @@ struct mips_elf_abiflags_v0 {
 # define __MIPS_O32_FP64_MUST_BE_ZERO	EF_MIPS_FP64
 #endif
 
+#define mips_elf_check_machine(x) ((x)->e_machine == EM_MIPS)
+
+#define vmcore_elf32_check_arch mips_elf_check_machine
+#define vmcore_elf64_check_arch mips_elf_check_machine
+
 /*
- * This is used to ensure we don't load something for the wrong architecture.
+ * Return non-zero if HDR identifies an o32 ELF binary.
  */
-#define elf_check_arch(hdr)						\
+#define elfo32_check_arch(hdr)						\
 ({									\
 	int __res = 1;							\
 	struct elfhdr *__h = (hdr);					\
@@ -243,17 +289,9 @@ struct mips_elf_abiflags_v0 {
 })
 
 /*
- * These are used to set parameters in the core dumps.
- */
-#define ELF_CLASS	ELFCLASS32
-
-#endif /* CONFIG_32BIT */
-
-#ifdef CONFIG_64BIT
-/*
- * This is used to ensure we don't load something for the wrong architecture.
+ * Return non-zero if HDR identifies an n64 ELF binary.
  */
-#define elf_check_arch(hdr)						\
+#define elfn64_check_arch(hdr)						\
 ({									\
 	int __res = 1;							\
 	struct elfhdr *__h = (hdr);					\
@@ -267,28 +305,23 @@ struct mips_elf_abiflags_v0 {
 })
 
 /*
- * These are used to set parameters in the core dumps.
+ * Return non-zero if HDR identifies an n32 ELF binary.
  */
-#define ELF_CLASS	ELFCLASS64
-
-#endif /* CONFIG_64BIT */
-
-/*
- * These are used to set parameters in the core dumps.
- */
-#ifdef __MIPSEB__
-#define ELF_DATA	ELFDATA2MSB
-#elif defined(__MIPSEL__)
-#define ELF_DATA	ELFDATA2LSB
-#endif
-#define ELF_ARCH	EM_MIPS
-
-#endif /* !defined(ELF_ARCH) */
-
-#define mips_elf_check_machine(x) ((x)->e_machine == EM_MIPS)
-
-#define vmcore_elf32_check_arch mips_elf_check_machine
-#define vmcore_elf64_check_arch mips_elf_check_machine
+#define elfn32_check_arch(hdr)						\
+({									\
+	int __res = 1;							\
+	struct elfhdr *__h = (hdr);					\
+									\
+	if (!mips_elf_check_machine(__h))				\
+		__res = 0;						\
+	if (__h->e_ident[EI_CLASS] != ELFCLASS32)			\
+		__res = 0;						\
+	if (((__h->e_flags & EF_MIPS_ABI2) == 0) ||			\
+	    ((__h->e_flags & EF_MIPS_ABI) != 0))			\
+		__res = 0;						\
+									\
+	__res;								\
+})
 
 struct mips_abi;
 
@@ -300,17 +333,16 @@ extern struct mips_abi mips_abi_n32;
 
 #define SET_PERSONALITY2(ex, state)					\
 do {									\
-	if (personality(current->personality) != PER_LINUX)		\
-		set_personality(PER_LINUX);				\
-									\
 	clear_thread_flag(TIF_HYBRID_FPREGS);				\
 	set_thread_flag(TIF_32BIT_FPREGS);				\
 									\
-	mips_set_personality_fp(state);					\
-									\
 	current->thread.abi = &mips_abi;				\
 									\
+	mips_set_personality_fp(state);					\
 	mips_set_personality_nan(state);				\
+									\
+	if (personality(current->personality) != PER_LINUX)		\
+		set_personality(PER_LINUX);				\
 } while (0)
 
 #endif /* CONFIG_32BIT */
@@ -321,6 +353,7 @@ do {									\
 #define __SET_PERSONALITY32_N32()					\
 	do {								\
 		set_thread_flag(TIF_32BIT_ADDR);			\
+									\
 		current->thread.abi = &mips_abi_n32;			\
 	} while (0)
 #else
@@ -336,9 +369,9 @@ do {									\
 		clear_thread_flag(TIF_HYBRID_FPREGS);			\
 		set_thread_flag(TIF_32BIT_FPREGS);			\
 									\
-		mips_set_personality_fp(state);				\
-									\
 		current->thread.abi = &mips_abi_32;			\
+									\
+		mips_set_personality_fp(state);				\
 	} while (0)
 #else
 #define __SET_PERSONALITY32_O32(ex, state)				\
diff --git a/arch/mips/include/asm/hazards.h b/arch/mips/include/asm/hazards.h
index 7b99efd31..e0fecf206 100644
--- a/arch/mips/include/asm/hazards.h
+++ b/arch/mips/include/asm/hazards.h
@@ -22,7 +22,8 @@
 /*
  * TLB hazards
  */
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) && !defined(CONFIG_CPU_CAVIUM_OCTEON)
+#if (defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)) && \
+	!defined(CONFIG_CPU_CAVIUM_OCTEON) && !defined(CONFIG_LOONGSON3_ENHANCEMENT)
 
 /*
  * MIPSR2 defines ehb for hazard avoidance
@@ -57,8 +58,8 @@
  * address of a label as argument to inline assembler.	Gas otoh has the
  * annoying difference between la and dla which are only usable for 32-bit
  * rsp. 64-bit code, so can't be used without conditional compilation.
- * The alterantive is switching the assembler to 64-bit code which happens
- * to work right even for 32-bit code ...
+ * The alternative is switching the assembler to 64-bit code which happens
+ * to work right even for 32-bit code...
  */
 #define instruction_hazard()						\
 do {									\
@@ -132,8 +133,8 @@ do {									\
  * address of a label as argument to inline assembler.	Gas otoh has the
  * annoying difference between la and dla which are only usable for 32-bit
  * rsp. 64-bit code, so can't be used without conditional compilation.
- * The alterantive is switching the assembler to 64-bit code which happens
- * to work right even for 32-bit code ...
+ * The alternative is switching the assembler to 64-bit code which happens
+ * to work right even for 32-bit code...
  */
 #define __instruction_hazard()						\
 do {									\
@@ -155,8 +156,8 @@ do {									\
 } while (0)
 
 #elif defined(CONFIG_MIPS_ALCHEMY) || defined(CONFIG_CPU_CAVIUM_OCTEON) || \
-	defined(CONFIG_CPU_LOONGSON2) || defined(CONFIG_CPU_R10000) || \
-	defined(CONFIG_CPU_R5500) || defined(CONFIG_CPU_XLR)
+	defined(CONFIG_CPU_LOONGSON2) || defined(CONFIG_LOONGSON3_ENHANCEMENT) || \
+	defined(CONFIG_CPU_R10000) || defined(CONFIG_CPU_R5500) || defined(CONFIG_CPU_XLR)
 
 /*
  * R10000 rocks - all hazards handled in hardware, so this becomes a nobrainer.
diff --git a/arch/mips/include/asm/highmem.h b/arch/mips/include/asm/highmem.h
index 01880b34a..64f2500d8 100644
--- a/arch/mips/include/asm/highmem.h
+++ b/arch/mips/include/asm/highmem.h
@@ -19,8 +19,10 @@
 
 #ifdef __KERNEL__
 
+#include <linux/bug.h>
 #include <linux/interrupt.h>
 #include <linux/uaccess.h>
+#include <asm/cpu-features.h>
 #include <asm/kmap_types.h>
 
 /* undef for production */
@@ -50,7 +52,7 @@ extern void *kmap_atomic(struct page *page);
 extern void __kunmap_atomic(void *kvaddr);
 extern void *kmap_atomic_pfn(unsigned long pfn);
 
-#define flush_cache_kmaps()	flush_cache_all()
+#define flush_cache_kmaps()	BUG_ON(cpu_has_dc_aliases)
 
 extern void kmap_init(void);
 
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 2b4dc7ad5..ecabc00c1 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -304,10 +304,10 @@ static inline void iounmap(const volatile void __iomem *addr)
 #undef __IS_KSEG1
 }
 
-#ifdef CONFIG_CPU_CAVIUM_OCTEON
-#define war_octeon_io_reorder_wmb()		wmb()
+#if defined(CONFIG_CPU_CAVIUM_OCTEON) || defined(CONFIG_LOONGSON3_ENHANCEMENT)
+#define war_io_reorder_wmb()		wmb()
 #else
-#define war_octeon_io_reorder_wmb()		do { } while (0)
+#define war_io_reorder_wmb()		do { } while (0)
 #endif
 
 #define __BUILD_MEMORY_SINGLE(pfx, bwlq, type, irq)			\
@@ -318,7 +318,7 @@ static inline void pfx##write##bwlq(type val,				\
 	volatile type *__mem;						\
 	type __val;							\
 									\
-	war_octeon_io_reorder_wmb();					\
+	war_io_reorder_wmb();					\
 									\
 	__mem = (void *)__swizzle_addr_##bwlq((unsigned long)(mem));	\
 									\
@@ -387,7 +387,7 @@ static inline void pfx##out##bwlq##p(type val, unsigned long port)	\
 	volatile type *__addr;						\
 	type __val;							\
 									\
-	war_octeon_io_reorder_wmb();					\
+	war_io_reorder_wmb();					\
 									\
 	__addr = (void *)__swizzle_addr_##bwlq(mips_io_port_base + port); \
 									\
diff --git a/arch/mips/include/asm/irq_regs.h b/arch/mips/include/asm/irq_regs.h
index 33bd2a06d..8c48d6dd1 100644
--- a/arch/mips/include/asm/irq_regs.h
+++ b/arch/mips/include/asm/irq_regs.h
@@ -18,4 +18,14 @@ static inline struct pt_regs *get_irq_regs(void)
 	return current_thread_info()->regs;
 }
 
+static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
+{
+	struct pt_regs *old_regs;
+
+	old_regs = get_irq_regs();
+	current_thread_info()->regs = new_regs;
+
+	return old_regs;
+}
+
 #endif /* __ASM_IRQ_REGS_H */
diff --git a/arch/mips/include/asm/irqflags.h b/arch/mips/include/asm/irqflags.h
index 65c351e32..9d3610be2 100644
--- a/arch/mips/include/asm/irqflags.h
+++ b/arch/mips/include/asm/irqflags.h
@@ -41,7 +41,12 @@ static inline unsigned long arch_local_irq_save(void)
 	"	.set	push						\n"
 	"	.set	reorder						\n"
 	"	.set	noat						\n"
+#if defined(CONFIG_CPU_LOONGSON3)
+	"	mfc0	%[flags], $12					\n"
+	"	di							\n"
+#else
 	"	di	%[flags]					\n"
+#endif
 	"	andi	%[flags], 1					\n"
 	"	" __stringify(__irq_disable_hazard) "			\n"
 	"	.set	pop						\n"
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index 1907ab379..36a391d28 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -74,7 +74,7 @@
 #define KVM_GUEST_KUSEG			0x00000000UL
 #define KVM_GUEST_KSEG0			0x40000000UL
 #define KVM_GUEST_KSEG23		0x60000000UL
-#define KVM_GUEST_KSEGX(a)		((_ACAST32_(a)) & 0x60000000)
+#define KVM_GUEST_KSEGX(a)		((_ACAST32_(a)) & 0xe0000000)
 #define KVM_GUEST_CPHYSADDR(a)		((_ACAST32_(a)) & 0x1fffffff)
 
 #define KVM_GUEST_CKSEG0ADDR(a)		(KVM_GUEST_CPHYSADDR(a) | KVM_GUEST_KSEG0)
@@ -122,6 +122,7 @@ struct kvm_vcpu_stat {
 	u32 flush_dcache_exits;
 	u32 halt_successful_poll;
 	u32 halt_attempted_poll;
+	u32 halt_poll_invalid;
 	u32 halt_wakeup;
 };
 
@@ -311,17 +312,18 @@ enum emulation_result {
 #define MIPS3_PG_FRAME		0x3fffffc0
 
 #define VPN2_MASK		0xffffe000
+#define KVM_ENTRYHI_ASID	MIPS_ENTRYHI_ASID
 #define TLB_IS_GLOBAL(x)	(((x).tlb_lo0 & MIPS3_PG_G) &&		\
 				 ((x).tlb_lo1 & MIPS3_PG_G))
 #define TLB_VPN2(x)		((x).tlb_hi & VPN2_MASK)
-#define TLB_ASID(x)		((x).tlb_hi & ASID_MASK)
+#define TLB_ASID(x)		((x).tlb_hi & KVM_ENTRYHI_ASID)
 #define TLB_IS_VALID(x, va)	(((va) & (1 << PAGE_SHIFT))		\
 				 ? ((x).tlb_lo1 & MIPS3_PG_V)		\
 				 : ((x).tlb_lo0 & MIPS3_PG_V))
 #define TLB_HI_VPN2_HIT(x, y)	((TLB_VPN2(x) & ~(x).tlb_mask) ==	\
 				 ((y) & VPN2_MASK & ~(x).tlb_mask))
 #define TLB_HI_ASID_HIT(x, y)	(TLB_IS_GLOBAL(x) ||			\
-				 TLB_ASID(x) == ((y) & ASID_MASK))
+				 TLB_ASID(x) == ((y) & KVM_ENTRYHI_ASID))
 
 struct kvm_mips_tlb {
 	long tlb_mask;
@@ -813,5 +815,6 @@ static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {}
 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
 static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
+static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {}
 
 #endif /* __MIPS_KVM_HOST_H__ */
diff --git a/arch/mips/include/asm/llsc.h b/arch/mips/include/asm/llsc.h
new file mode 100644
index 000000000..c6d17d171
--- /dev/null
+++ b/arch/mips/include/asm/llsc.h
@@ -0,0 +1,28 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Macros for 32/64-bit neutral inline assembler
+ */
+
+#ifndef __ASM_LLSC_H
+#define __ASM_LLSC_H
+
+#if _MIPS_SZLONG == 32
+#define SZLONG_LOG 5
+#define SZLONG_MASK 31UL
+#define __LL		"ll	"
+#define __SC		"sc	"
+#define __INS		"ins	"
+#define __EXT		"ext	"
+#elif _MIPS_SZLONG == 64
+#define SZLONG_LOG 6
+#define SZLONG_MASK 63UL
+#define __LL		"lld	"
+#define __SC		"scd	"
+#define __INS		"dins	"
+#define __EXT		"dext	"
+#endif
+
+#endif /* __ASM_LLSC_H  */
diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
index ca8077afa..456ddba15 100644
--- a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
+++ b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
@@ -100,7 +100,7 @@ typedef volatile struct au1xxx_ddma_desc {
 	u32	dscr_nxtptr;		/* Next descriptor pointer (mostly) */
 	/*
 	 * First 32 bytes are HW specific!!!
-	 * Lets have some SW data following -- make sure it's 32 bytes.
+	 * Let's have some SW data following -- make sure it's 32 bytes.
 	 */
 	u32	sw_status;
 	u32	sw_context;
diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1300.h b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
index ce0289427..d607d643b 100644
--- a/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
+++ b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
@@ -140,7 +140,7 @@ static inline int au1300_gpio_getinitlvl(unsigned int gpio)
 * Cases 1 and 3 are intended for boards which want to provide their own
 * GPIO namespace and -operations (i.e. for example you have 8 GPIOs
 * which are in part provided by spare Au1300 GPIO pins and in part by
-* an external FPGA but you still want them to be accssible in linux
+* an external FPGA but you still want them to be accessible in linux
 * as gpio0-7. The board can of course use the alchemy_gpioX_* functions
 * as required).
 */
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
index 466fc8589..c4e856f27 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
@@ -22,7 +22,7 @@ struct bcm63xx_enet_platform_data {
 	int has_phy_interrupt;
 	int phy_interrupt;
 
-	/* if has_phy, use autonegociated pause parameters or force
+	/* if has_phy, use autonegotiated pause parameters or force
 	 * them */
 	int pause_auto;
 	int pause_rx;
diff --git a/arch/mips/include/asm/mach-bmips/cpu-feature-overrides.h b/arch/mips/include/asm/mach-bmips/cpu-feature-overrides.h
new file mode 100644
index 000000000..fa0583e1c
--- /dev/null
+++ b/arch/mips/include/asm/mach-bmips/cpu-feature-overrides.h
@@ -0,0 +1,14 @@
+#ifndef __ASM_MACH_BMIPS_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_BMIPS_CPU_FEATURE_OVERRIDES_H
+
+/* Invariants across all BMIPS processors */
+#define cpu_has_vtag_icache		0
+#define cpu_icache_snoops_remote_store	1
+
+/* Processor ISA compatibility is MIPS32R1 */
+#define cpu_has_mips32r1		1
+#define cpu_has_mips32r2		0
+#define cpu_has_mips64r1		0
+#define cpu_has_mips64r2		0
+
+#endif /* __ASM_MACH_BMIPS_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-bmips/ioremap.h b/arch/mips/include/asm/mach-bmips/ioremap.h
new file mode 100644
index 000000000..29c7a7bb7
--- /dev/null
+++ b/arch/mips/include/asm/mach-bmips/ioremap.h
@@ -0,0 +1,33 @@
+#ifndef __ASM_MACH_BMIPS_IOREMAP_H
+#define __ASM_MACH_BMIPS_IOREMAP_H
+
+#include <linux/types.h>
+
+static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
+{
+	return phys_addr;
+}
+
+static inline int is_bmips_internal_registers(phys_addr_t offset)
+{
+	if (offset >= 0xfff80000)
+		return 1;
+
+	return 0;
+}
+
+static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
+					 unsigned long flags)
+{
+	if (is_bmips_internal_registers(offset))
+		return (void __iomem *)offset;
+
+	return NULL;
+}
+
+static inline int plat_iounmap(const volatile void __iomem *addr)
+{
+	return is_bmips_internal_registers((unsigned long)addr);
+}
+
+#endif /* __ASM_MACH_BMIPS_IOREMAP_H */
diff --git a/arch/mips/include/asm/mach-ip27/dma-coherence.h b/arch/mips/include/asm/mach-ip27/dma-coherence.h
index 1daa64412..04d862020 100644
--- a/arch/mips/include/asm/mach-ip27/dma-coherence.h
+++ b/arch/mips/include/asm/mach-ip27/dma-coherence.h
@@ -64,7 +64,7 @@ static inline void plat_post_dma_flush(struct device *dev)
 
 static inline int plat_device_is_coherent(struct device *dev)
 {
-	return 1;		/* IP27 non-cohernet mode is unsupported */
+	return 1;		/* IP27 non-coherent mode is unsupported */
 }
 
 #endif /* __ASM_MACH_IP27_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-ip32/dma-coherence.h b/arch/mips/include/asm/mach-ip32/dma-coherence.h
index 0a0b0e2ce..7bdf21258 100644
--- a/arch/mips/include/asm/mach-ip32/dma-coherence.h
+++ b/arch/mips/include/asm/mach-ip32/dma-coherence.h
@@ -86,7 +86,7 @@ static inline void plat_post_dma_flush(struct device *dev)
 
 static inline int plat_device_is_coherent(struct device *dev)
 {
-	return 0;		/* IP32 is non-cohernet */
+	return 0;		/* IP32 is non-coherent */
 }
 
 #endif /* __ASM_MACH_IP32_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-jz4740/jz4740_nand.h b/arch/mips/include/asm/mach-jz4740/jz4740_nand.h
index 398733e3e..7f7b0fc55 100644
--- a/arch/mips/include/asm/mach-jz4740/jz4740_nand.h
+++ b/arch/mips/include/asm/mach-jz4740/jz4740_nand.h
@@ -27,7 +27,7 @@ struct jz_nand_platform_data {
 
 	unsigned char banks[JZ_NAND_NUM_BANKS];
 
-	void (*ident_callback)(struct platform_device *, struct nand_chip *,
+	void (*ident_callback)(struct platform_device *, struct mtd_info *,
 				struct mtd_partition **, int *num_partitions);
 };
 
diff --git a/arch/mips/include/asm/mach-jz4740/platform.h b/arch/mips/include/asm/mach-jz4740/platform.h
index 32cfbe6a1..073b8bfbb 100644
--- a/arch/mips/include/asm/mach-jz4740/platform.h
+++ b/arch/mips/include/asm/mach-jz4740/platform.h
@@ -19,7 +19,6 @@
 
 #include <linux/platform_device.h>
 
-extern struct platform_device jz4740_usb_ohci_device;
 extern struct platform_device jz4740_udc_device;
 extern struct platform_device jz4740_udc_xceiv_device;
 extern struct platform_device jz4740_mmc_device;
diff --git a/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h b/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
index 98d6a2f14..8e9b022c3 100644
--- a/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
+++ b/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
@@ -3,7 +3,7 @@
  * under the terms of the GNU General Public License version 2 as published
  * by the Free Software Foundation.
  *
- * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #ifndef _LTQ_FALCON_H__
@@ -22,7 +22,7 @@
 
 /*
  * during early_printk no ioremap possible at this early stage
- * lets use KSEG1 instead
+ * let's use KSEG1 instead
  */
 #define LTQ_ASC0_BASE_ADDR	0x1E100C00
 #define LTQ_EARLY_ASC		KSEG1ADDR(LTQ_ASC0_BASE_ADDR)
diff --git a/arch/mips/include/asm/mach-lantiq/lantiq.h b/arch/mips/include/asm/mach-lantiq/lantiq.h
index 4e5ae6523..8064d7a4b 100644
--- a/arch/mips/include/asm/mach-lantiq/lantiq.h
+++ b/arch/mips/include/asm/mach-lantiq/lantiq.h
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 #ifndef _LANTIQ_H__
 #define _LANTIQ_H__
diff --git a/arch/mips/include/asm/mach-lantiq/lantiq_platform.h b/arch/mips/include/asm/mach-lantiq/lantiq_platform.h
index e23bf7c9a..17d2fdcda 100644
--- a/arch/mips/include/asm/mach-lantiq/lantiq_platform.h
+++ b/arch/mips/include/asm/mach-lantiq/lantiq_platform.h
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #ifndef _LANTIQ_PLATFORM_H__
diff --git a/arch/mips/include/asm/mach-lantiq/xway/irq.h b/arch/mips/include/asm/mach-lantiq/xway/irq.h
index a1471d2dd..83e5f03cc 100644
--- a/arch/mips/include/asm/mach-lantiq/xway/irq.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/irq.h
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #ifndef __LANTIQ_IRQ_H
diff --git a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h
index 5eadfe582..141076325 100644
--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #ifndef _LANTIQ_XWAY_IRQ_H__
diff --git a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
index dd6005b75..17b41bb59 100644
--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #ifndef _LTQ_XWAY_H__
@@ -75,7 +75,7 @@ extern __iomem void *ltq_cgu_membase;
 
 /*
  * during early_printk no ioremap is possible
- * lets use KSEG1 instead
+ * let's use KSEG1 instead
  */
 #define LTQ_ASC1_BASE_ADDR	0x1E100C00
 #define LTQ_EARLY_ASC		KSEG1ADDR(LTQ_ASC1_BASE_ADDR)
diff --git a/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h b/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
index 5f8693d5a..490183349 100644
--- a/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
@@ -12,7 +12,7 @@
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
- *   Copyright (C) 2011 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2011 John Crispin <john@phrozen.org>
  */
 
 #ifndef LTQ_DMA_H__
diff --git a/arch/mips/include/asm/mach-loongson32/cpufreq.h b/arch/mips/include/asm/mach-loongson32/cpufreq.h
index 6843fa1a6..2f1ecb081 100644
--- a/arch/mips/include/asm/mach-loongson32/cpufreq.h
+++ b/arch/mips/include/asm/mach-loongson32/cpufreq.h
@@ -9,7 +9,6 @@
  * option) any later version.
  */
 
-
 #ifndef __ASM_MACH_LOONGSON32_CPUFREQ_H
 #define __ASM_MACH_LOONGSON32_CPUFREQ_H
 
diff --git a/arch/mips/include/asm/mach-loongson32/dma.h b/arch/mips/include/asm/mach-loongson32/dma.h
new file mode 100644
index 000000000..ad1dec743
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson32/dma.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2015 Zhang, Keguang <keguang.zhang@gmail.com>
+ *
+ * Loongson 1 NAND platform support.
+ *
+ * This program is free software; you can redistribute	it and/or modify it
+ * under  the terms of	the GNU General	 Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __ASM_MACH_LOONGSON32_DMA_H
+#define __ASM_MACH_LOONGSON32_DMA_H
+
+#define LS1X_DMA_CHANNEL0	0
+#define LS1X_DMA_CHANNEL1	1
+#define LS1X_DMA_CHANNEL2	2
+
+struct plat_ls1x_dma {
+	int nr_channels;
+};
+
+extern struct plat_ls1x_dma ls1b_dma_pdata;
+
+#endif /* __ASM_MACH_LOONGSON32_DMA_H */
diff --git a/arch/mips/include/asm/mach-loongson32/irq.h b/arch/mips/include/asm/mach-loongson32/irq.h
index 0d35b994e..c1c744197 100644
--- a/arch/mips/include/asm/mach-loongson32/irq.h
+++ b/arch/mips/include/asm/mach-loongson32/irq.h
@@ -9,7 +9,6 @@
  * option) any later version.
  */
 
-
 #ifndef __ASM_MACH_LOONGSON32_IRQ_H
 #define __ASM_MACH_LOONGSON32_IRQ_H
 
diff --git a/arch/mips/include/asm/mach-loongson32/loongson1.h b/arch/mips/include/asm/mach-loongson32/loongson1.h
index 12aa129aa..978f6df89 100644
--- a/arch/mips/include/asm/mach-loongson32/loongson1.h
+++ b/arch/mips/include/asm/mach-loongson32/loongson1.h
@@ -9,7 +9,6 @@
  * option) any later version.
  */
 
-
 #ifndef __ASM_MACH_LOONGSON32_LOONGSON1_H
 #define __ASM_MACH_LOONGSON32_LOONGSON1_H
 
@@ -18,6 +17,9 @@
 /* Loongson 1 Register Bases */
 #define LS1X_MUX_BASE			0x1fd00420
 #define LS1X_INTC_BASE			0x1fd01040
+#define LS1X_GPIO0_BASE			0x1fd010c0
+#define LS1X_GPIO1_BASE			0x1fd010c4
+#define LS1X_DMAC_BASE			0x1fd01160
 #define LS1X_EHCI_BASE			0x1fe00000
 #define LS1X_OHCI_BASE			0x1fe08000
 #define LS1X_GMAC0_BASE			0x1fe10000
diff --git a/arch/mips/include/asm/mach-loongson32/nand.h b/arch/mips/include/asm/mach-loongson32/nand.h
new file mode 100644
index 000000000..e274912e9
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson32/nand.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2015 Zhang, Keguang <keguang.zhang@gmail.com>
+ *
+ * Loongson 1 NAND platform support.
+ *
+ * This program is free software; you can redistribute	it and/or modify it
+ * under  the terms of	the GNU General	 Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __ASM_MACH_LOONGSON32_NAND_H
+#define __ASM_MACH_LOONGSON32_NAND_H
+
+#include <linux/dmaengine.h>
+#include <linux/mtd/partitions.h>
+
+struct plat_ls1x_nand {
+	struct mtd_partition *parts;
+	unsigned int nr_parts;
+
+	int hold_cycle;
+	int wait_cycle;
+};
+
+extern struct plat_ls1x_nand ls1b_nand_pdata;
+
+bool ls1x_dma_filter_fn(struct dma_chan *chan, void *param);
+
+#endif /* __ASM_MACH_LOONGSON32_NAND_H */
diff --git a/arch/mips/include/asm/mach-loongson32/platform.h b/arch/mips/include/asm/mach-loongson32/platform.h
index c32f03f3f..672531aa9 100644
--- a/arch/mips/include/asm/mach-loongson32/platform.h
+++ b/arch/mips/include/asm/mach-loongson32/platform.h
@@ -7,20 +7,28 @@
  * option) any later version.
  */
 
-
 #ifndef __ASM_MACH_LOONGSON32_PLATFORM_H
 #define __ASM_MACH_LOONGSON32_PLATFORM_H
 
 #include <linux/platform_device.h>
 
+#include <dma.h>
+#include <nand.h>
+
 extern struct platform_device ls1x_uart_pdev;
 extern struct platform_device ls1x_cpufreq_pdev;
+extern struct platform_device ls1x_dma_pdev;
 extern struct platform_device ls1x_eth0_pdev;
 extern struct platform_device ls1x_eth1_pdev;
 extern struct platform_device ls1x_ehci_pdev;
+extern struct platform_device ls1x_gpio0_pdev;
+extern struct platform_device ls1x_gpio1_pdev;
+extern struct platform_device ls1x_nand_pdev;
 extern struct platform_device ls1x_rtc_pdev;
 
-extern void __init ls1x_clk_init(void);
-extern void __init ls1x_serial_setup(struct platform_device *pdev);
+void __init ls1x_clk_init(void);
+void __init ls1x_dma_set_platdata(struct plat_ls1x_dma *pdata);
+void __init ls1x_nand_set_platdata(struct plat_ls1x_nand *pdata);
+void __init ls1x_serial_set_uartclk(struct platform_device *pdev);
 
 #endif /* __ASM_MACH_LOONGSON32_PLATFORM_H */
diff --git a/arch/mips/include/asm/mach-loongson32/regs-clk.h b/arch/mips/include/asm/mach-loongson32/regs-clk.h
index 1f5a715ac..4d56fc38f 100644
--- a/arch/mips/include/asm/mach-loongson32/regs-clk.h
+++ b/arch/mips/include/asm/mach-loongson32/regs-clk.h
@@ -19,18 +19,18 @@
 #define LS1X_CLK_PLL_DIV		LS1X_CLK_REG(0x4)
 
 /* Clock PLL Divisor Register Bits */
-#define DIV_DC_EN			(0x1 << 31)
-#define DIV_DC_RST			(0x1 << 30)
-#define DIV_CPU_EN			(0x1 << 25)
-#define DIV_CPU_RST			(0x1 << 24)
-#define DIV_DDR_EN			(0x1 << 19)
-#define DIV_DDR_RST			(0x1 << 18)
-#define RST_DC_EN			(0x1 << 5)
-#define RST_DC				(0x1 << 4)
-#define RST_DDR_EN			(0x1 << 3)
-#define RST_DDR				(0x1 << 2)
-#define RST_CPU_EN			(0x1 << 1)
-#define RST_CPU				0x1
+#define DIV_DC_EN			BIT(31)
+#define DIV_DC_RST			BIT(30)
+#define DIV_CPU_EN			BIT(25)
+#define DIV_CPU_RST			BIT(24)
+#define DIV_DDR_EN			BIT(19)
+#define DIV_DDR_RST			BIT(18)
+#define RST_DC_EN			BIT(5)
+#define RST_DC				BIT(4)
+#define RST_DDR_EN			BIT(3)
+#define RST_DDR				BIT(2)
+#define RST_CPU_EN			BIT(1)
+#define RST_CPU				BIT(0)
 
 #define DIV_DC_SHIFT			26
 #define DIV_CPU_SHIFT			20
diff --git a/arch/mips/include/asm/mach-loongson32/regs-mux.h b/arch/mips/include/asm/mach-loongson32/regs-mux.h
index 8302d92f2..7c394f93c 100644
--- a/arch/mips/include/asm/mach-loongson32/regs-mux.h
+++ b/arch/mips/include/asm/mach-loongson32/regs-mux.h
@@ -19,49 +19,49 @@
 #define LS1X_MUX_CTRL1			LS1X_MUX_REG(0x4)
 
 /* MUX CTRL0 Register Bits */
-#define UART0_USE_PWM23			(0x1 << 28)
-#define UART0_USE_PWM01			(0x1 << 27)
-#define UART1_USE_LCD0_5_6_11		(0x1 << 26)
-#define I2C2_USE_CAN1			(0x1 << 25)
-#define I2C1_USE_CAN0			(0x1 << 24)
-#define NAND3_USE_UART5			(0x1 << 23)
-#define NAND3_USE_UART4			(0x1 << 22)
-#define NAND3_USE_UART1_DAT		(0x1 << 21)
-#define NAND3_USE_UART1_CTS		(0x1 << 20)
-#define NAND3_USE_PWM23			(0x1 << 19)
-#define NAND3_USE_PWM01			(0x1 << 18)
-#define NAND2_USE_UART5			(0x1 << 17)
-#define NAND2_USE_UART4			(0x1 << 16)
-#define NAND2_USE_UART1_DAT		(0x1 << 15)
-#define NAND2_USE_UART1_CTS		(0x1 << 14)
-#define NAND2_USE_PWM23			(0x1 << 13)
-#define NAND2_USE_PWM01			(0x1 << 12)
-#define NAND1_USE_UART5			(0x1 << 11)
-#define NAND1_USE_UART4			(0x1 << 10)
-#define NAND1_USE_UART1_DAT		(0x1 << 9)
-#define NAND1_USE_UART1_CTS		(0x1 << 8)
-#define NAND1_USE_PWM23			(0x1 << 7)
-#define NAND1_USE_PWM01			(0x1 << 6)
-#define GMAC1_USE_UART1			(0x1 << 4)
-#define GMAC1_USE_UART0			(0x1 << 3)
-#define LCD_USE_UART0_DAT		(0x1 << 2)
-#define LCD_USE_UART15			(0x1 << 1)
-#define LCD_USE_UART0			0x1
+#define UART0_USE_PWM23			BIT(28)
+#define UART0_USE_PWM01			BIT(27)
+#define UART1_USE_LCD0_5_6_11		BIT(26)
+#define I2C2_USE_CAN1			BIT(25)
+#define I2C1_USE_CAN0			BIT(24)
+#define NAND3_USE_UART5			BIT(23)
+#define NAND3_USE_UART4			BIT(22)
+#define NAND3_USE_UART1_DAT		BIT(21)
+#define NAND3_USE_UART1_CTS		BIT(20)
+#define NAND3_USE_PWM23			BIT(19)
+#define NAND3_USE_PWM01			BIT(18)
+#define NAND2_USE_UART5			BIT(17)
+#define NAND2_USE_UART4			BIT(16)
+#define NAND2_USE_UART1_DAT		BIT(15)
+#define NAND2_USE_UART1_CTS		BIT(14)
+#define NAND2_USE_PWM23			BIT(13)
+#define NAND2_USE_PWM01			BIT(12)
+#define NAND1_USE_UART5			BIT(11)
+#define NAND1_USE_UART4			BIT(10)
+#define NAND1_USE_UART1_DAT		BIT(9)
+#define NAND1_USE_UART1_CTS		BIT(8)
+#define NAND1_USE_PWM23			BIT(7)
+#define NAND1_USE_PWM01			BIT(6)
+#define GMAC1_USE_UART1			BIT(4)
+#define GMAC1_USE_UART0			BIT(3)
+#define LCD_USE_UART0_DAT		BIT(2)
+#define LCD_USE_UART15			BIT(1)
+#define LCD_USE_UART0			BIT(0)
 
 /* MUX CTRL1 Register Bits */
-#define USB_RESET			(0x1 << 31)
-#define SPI1_CS_USE_PWM01		(0x1 << 24)
-#define SPI1_USE_CAN			(0x1 << 23)
-#define DISABLE_DDR_CONFSPACE		(0x1 << 20)
-#define DDR32TO16EN			(0x1 << 16)
-#define GMAC1_SHUT			(0x1 << 13)
-#define GMAC0_SHUT			(0x1 << 12)
-#define USB_SHUT			(0x1 << 11)
-#define UART1_3_USE_CAN1		(0x1 << 5)
-#define UART1_2_USE_CAN0		(0x1 << 4)
-#define GMAC1_USE_TXCLK			(0x1 << 3)
-#define GMAC0_USE_TXCLK			(0x1 << 2)
-#define GMAC1_USE_PWM23			(0x1 << 1)
-#define GMAC0_USE_PWM01			0x1
+#define USB_RESET			BIT(31)
+#define SPI1_CS_USE_PWM01		BIT(24)
+#define SPI1_USE_CAN			BIT(23)
+#define DISABLE_DDR_CONFSPACE		BIT(20)
+#define DDR32TO16EN			BIT(16)
+#define GMAC1_SHUT			BIT(13)
+#define GMAC0_SHUT			BIT(12)
+#define USB_SHUT			BIT(11)
+#define UART1_3_USE_CAN1		BIT(5)
+#define UART1_2_USE_CAN0		BIT(4)
+#define GMAC1_USE_TXCLK			BIT(3)
+#define GMAC0_USE_TXCLK			BIT(2)
+#define GMAC1_USE_PWM23			BIT(1)
+#define GMAC0_USE_PWM01			BIT(0)
 
 #endif /* __ASM_MACH_LOONGSON32_REGS_MUX_H */
diff --git a/arch/mips/include/asm/mach-loongson32/regs-pwm.h b/arch/mips/include/asm/mach-loongson32/regs-pwm.h
index 69f174ed1..4119600ce 100644
--- a/arch/mips/include/asm/mach-loongson32/regs-pwm.h
+++ b/arch/mips/include/asm/mach-loongson32/regs-pwm.h
@@ -19,11 +19,11 @@
 #define PWM_CTRL		0xc
 
 /* PWM Control Register Bits */
-#define CNT_RST			(0x1 << 7)
-#define INT_SR			(0x1 << 6)
-#define INT_EN			(0x1 << 5)
-#define PWM_SINGLE		(0x1 << 4)
-#define PWM_OE			(0x1 << 3)
-#define CNT_EN			0x1
+#define CNT_RST			BIT(7)
+#define INT_SR			BIT(6)
+#define INT_EN			BIT(5)
+#define PWM_SINGLE		BIT(4)
+#define PWM_OE			BIT(3)
+#define CNT_EN			BIT(0)
 
 #endif /* __ASM_MACH_LOONGSON32_REGS_PWM_H */
diff --git a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
index 98963c2c7..89328a3d4 100644
--- a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
@@ -16,11 +16,6 @@
 #ifndef __ASM_MACH_LOONGSON64_CPU_FEATURE_OVERRIDES_H
 #define __ASM_MACH_LOONGSON64_CPU_FEATURE_OVERRIDES_H
 
-#define cpu_dcache_line_size()	32
-#define cpu_icache_line_size()	32
-#define cpu_scache_line_size()	32
-
-
 #define cpu_has_32fpr		1
 #define cpu_has_3k_cache	0
 #define cpu_has_4k_cache	1
@@ -31,24 +26,17 @@
 #define cpu_has_counter		1
 #define cpu_has_dc_aliases	(PAGE_SIZE < 0x4000)
 #define cpu_has_divec		0
-#define cpu_has_dsp		0
-#define cpu_has_dsp2		0
 #define cpu_has_ejtag		0
-#define cpu_has_ic_fills_f_dc	0
 #define cpu_has_inclusive_pcaches	1
 #define cpu_has_llsc		1
 #define cpu_has_mcheck		0
 #define cpu_has_mdmx		0
 #define cpu_has_mips16		0
-#define cpu_has_mips32r2	0
 #define cpu_has_mips3d		0
-#define cpu_has_mips64r2	0
 #define cpu_has_mipsmt		0
-#define cpu_has_prefetch	0
 #define cpu_has_smartmips	0
 #define cpu_has_tlb		1
 #define cpu_has_tx39_cache	0
-#define cpu_has_userlocal	0
 #define cpu_has_vce		0
 #define cpu_has_veic		0
 #define cpu_has_vint		0
@@ -56,6 +44,10 @@
 #define cpu_has_watch		1
 #define cpu_has_local_ebase	0
 
-#define cpu_has_wsbh		IS_ENABLED(CONFIG_CPU_LOONGSON3)
+#ifdef CONFIG_CPU_LOONGSON3
+#define cpu_has_wsbh		1
+#define cpu_has_ic_fills_f_dc	1
+#define cpu_hwrena_impl_bits	0xc0000000
+#endif
 
 #endif /* __ASM_MACH_LOONGSON64_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h b/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h
index 3f2f84f6c..8393bc548 100644
--- a/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h
+++ b/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h
@@ -23,8 +23,15 @@
 	or	t0, (0x1 << 7)
 	mtc0	t0, $16, 3
 	/* Set ELPA on LOONGSON3 pagegrain */
-	li	t0, (0x1 << 29)
+	mfc0	t0, $5, 1
+	or	t0, (0x1 << 29)
 	mtc0	t0, $5, 1
+#ifdef CONFIG_LOONGSON3_ENHANCEMENT
+	/* Enable STFill Buffer */
+	mfc0	t0, $16, 6
+	or	t0, 0x100
+	mtc0	t0, $16, 6
+#endif
 	_ehb
 	.set	pop
 #endif
@@ -42,8 +49,15 @@
 	or	t0, (0x1 << 7)
 	mtc0	t0, $16, 3
 	/* Set ELPA on LOONGSON3 pagegrain */
-	li	t0, (0x1 << 29)
+	mfc0	t0, $5, 1
+	or	t0, (0x1 << 29)
 	mtc0	t0, $5, 1
+#ifdef CONFIG_LOONGSON3_ENHANCEMENT
+	/* Enable STFill Buffer */
+	mfc0	t0, $16, 6
+	or	t0, 0x100
+	mtc0	t0, $16, 6
+#endif
 	_ehb
 	.set	pop
 #endif
diff --git a/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h b/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h
index 4431fc54a..74230d0ca 100644
--- a/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h
+++ b/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h
@@ -24,7 +24,7 @@ struct temp_range {
 	u8 level;
 };
 
-#define CONSTANT_SPEED_POLICY	0  /* at constent speed */
+#define CONSTANT_SPEED_POLICY	0  /* at constant speed */
 #define STEP_SPEED_POLICY	1  /* use up/down arrays to describe policy */
 #define KERNEL_HELPER_POLICY	2  /* kernel as a helper to fan control */
 
diff --git a/arch/mips/include/asm/mach-malta/kernel-entry-init.h b/arch/mips/include/asm/mach-malta/kernel-entry-init.h
index 0cf8622db..ab03eb3fa 100644
--- a/arch/mips/include/asm/mach-malta/kernel-entry-init.h
+++ b/arch/mips/include/asm/mach-malta/kernel-entry-init.h
@@ -56,7 +56,7 @@
 		(0 << MIPS_SEGCFG_PA_SHIFT) |				\
 		(1 << MIPS_SEGCFG_EU_SHIFT)) << 16)
 	or	t0, t2
-	mtc0	t0, $5, 2
+	mtc0	t0, CP0_SEGCTL0
 
 	/* SegCtl1 */
 	li      t0, ((MIPS_SEGCFG_MUSUK << MIPS_SEGCFG_AM_SHIFT) |	\
@@ -67,7 +67,7 @@
 		(0 << MIPS_SEGCFG_PA_SHIFT) |				\
 		(1 << MIPS_SEGCFG_EU_SHIFT)) << 16)
 	ins	t0, t1, 16, 3
-	mtc0	t0, $5, 3
+	mtc0	t0, CP0_SEGCTL1
 
 	/* SegCtl2 */
 	li	t0, ((MIPS_SEGCFG_MUSUK << MIPS_SEGCFG_AM_SHIFT) |	\
@@ -77,7 +77,7 @@
 		(4 << MIPS_SEGCFG_PA_SHIFT) |				\
 		(1 << MIPS_SEGCFG_EU_SHIFT)) << 16)
 	or	t0, t2
-	mtc0	t0, $5, 4
+	mtc0	t0, CP0_SEGCTL2
 
 	jal	mips_ihb
 	mfc0    t0, $16, 5
diff --git a/arch/mips/include/asm/mach-ralink/mt7620.h b/arch/mips/include/asm/mach-ralink/mt7620.h
index 455d406e8..a73350b07 100644
--- a/arch/mips/include/asm/mach-ralink/mt7620.h
+++ b/arch/mips/include/asm/mach-ralink/mt7620.h
@@ -7,7 +7,7 @@
  *
  * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #ifndef _MT7620_REGS_H_
@@ -72,6 +72,7 @@
 #define SYSCFG0_DRAM_TYPE_SDRAM		0
 #define SYSCFG0_DRAM_TYPE_DDR1		1
 #define SYSCFG0_DRAM_TYPE_DDR2		2
+#define SYSCFG0_DRAM_TYPE_UNKNOWN	3
 
 #define SYSCFG0_DRAM_TYPE_DDR2_MT7628	0
 #define SYSCFG0_DRAM_TYPE_DDR1_MT7628	1
diff --git a/arch/mips/include/asm/mach-ralink/mt7621.h b/arch/mips/include/asm/mach-ralink/mt7621.h
index 610b61e3f..a672e06fa 100644
--- a/arch/mips/include/asm/mach-ralink/mt7621.h
+++ b/arch/mips/include/asm/mach-ralink/mt7621.h
@@ -3,7 +3,7 @@
  * under the terms of the GNU General Public License version 2 as published
  * by the Free Software Foundation.
  *
- * Copyright (C) 2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2015 John Crispin <john@phrozen.org>
  */
 
 #ifndef _MT7621_REGS_H_
diff --git a/arch/mips/include/asm/mach-ralink/pinmux.h b/arch/mips/include/asm/mach-ralink/pinmux.h
index be106cb2e..ba8ac331a 100644
--- a/arch/mips/include/asm/mach-ralink/pinmux.h
+++ b/arch/mips/include/asm/mach-ralink/pinmux.h
@@ -3,7 +3,7 @@
  *  it under the terms of the GNU General Public License version 2 as
  *  publishhed by the Free Software Foundation.
  *
- *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2012 John Crispin <john@phrozen.org>
  */
 
 #ifndef _RT288X_PINMUX_H__
diff --git a/arch/mips/include/asm/mach-ralink/ralink_regs.h b/arch/mips/include/asm/mach-ralink/ralink_regs.h
index 4c9fba68c..9df1a53bc 100644
--- a/arch/mips/include/asm/mach-ralink/ralink_regs.h
+++ b/arch/mips/include/asm/mach-ralink/ralink_regs.h
@@ -1,7 +1,7 @@
 /*
  *  Ralink SoC register definitions
  *
- *  Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2013 John Crispin <john@phrozen.org>
  *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  *
diff --git a/arch/mips/include/asm/mach-ralink/rt288x.h b/arch/mips/include/asm/mach-ralink/rt288x.h
index 03ad716ac..25ae1042d 100644
--- a/arch/mips/include/asm/mach-ralink/rt288x.h
+++ b/arch/mips/include/asm/mach-ralink/rt288x.h
@@ -7,7 +7,7 @@
  *
  * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #ifndef _RT288X_REGS_H_
diff --git a/arch/mips/include/asm/mach-ralink/rt305x.h b/arch/mips/include/asm/mach-ralink/rt305x.h
index 2eea79331..ac2d65c04 100644
--- a/arch/mips/include/asm/mach-ralink/rt305x.h
+++ b/arch/mips/include/asm/mach-ralink/rt305x.h
@@ -7,7 +7,7 @@
  *
  * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #ifndef _RT305X_REGS_H_
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
index d4635391c..9411a4c0b 100644
--- a/arch/mips/include/asm/mips-cm.h
+++ b/arch/mips/include/asm/mips-cm.h
@@ -208,6 +208,7 @@ BUILD_CM_RW(l2_config,		MIPS_CM_GCB_OFS + 0x130)
 BUILD_CM_RW(sys_config2,	MIPS_CM_GCB_OFS + 0x150)
 BUILD_CM_RW(l2_pft_control,	MIPS_CM_GCB_OFS + 0x300)
 BUILD_CM_RW(l2_pft_control_b,	MIPS_CM_GCB_OFS + 0x308)
+BUILD_CM_RW(bev_base,		MIPS_CM_GCB_OFS + 0x680)
 
 /* Core Local & Core Other register accessor functions */
 BUILD_CM_Cx_RW(reset_release,	0x00)
@@ -290,8 +291,8 @@ BUILD_CM_Cx_R_(tcid_8_priority,	0x80)
 #define CM_GCR_GIC_BASE_GICEN_MSK		(_ULCAST_(0x1) << 0)
 
 /* GCR_CPC_BASE register fields */
-#define CM_GCR_CPC_BASE_CPCBASE_SHF		17
-#define CM_GCR_CPC_BASE_CPCBASE_MSK		(_ULCAST_(0x7fff) << 17)
+#define CM_GCR_CPC_BASE_CPCBASE_SHF		15
+#define CM_GCR_CPC_BASE_CPCBASE_MSK		(_ULCAST_(0x1ffff) << 15)
 #define CM_GCR_CPC_BASE_CPCEN_SHF		0
 #define CM_GCR_CPC_BASE_CPCEN_MSK		(_ULCAST_(0x1) << 0)
 
@@ -461,7 +462,10 @@ static inline unsigned int mips_cm_max_vp_width(void)
 	if (mips_cm_revision() >= CM_REV_CM3)
 		return read_gcr_sys_config2() & CM_GCR_SYS_CONFIG2_MAXVPW_MSK;
 
-	return smp_num_siblings;
+	if (config_enabled(CONFIG_SMP))
+		return smp_num_siblings;
+
+	return 1;
 }
 
 /**
@@ -505,7 +509,7 @@ extern void mips_cm_unlock_other(void);
 
 #else /* !CONFIG_MIPS_CM */
 
-static inline void mips_cm_lock_other(unsigned int core) { }
+static inline void mips_cm_lock_other(unsigned int core, unsigned int vp) { }
 static inline void mips_cm_unlock_other(void) { }
 
 #endif /* !CONFIG_MIPS_CM */
diff --git a/arch/mips/include/asm/mips-cpc.h b/arch/mips/include/asm/mips-cpc.h
index e09035239..8c519f982 100644
--- a/arch/mips/include/asm/mips-cpc.h
+++ b/arch/mips/include/asm/mips-cpc.h
@@ -106,6 +106,9 @@ BUILD_CPC_R_(revision,		MIPS_CPC_GCB_OFS + 0x20)
 BUILD_CPC_Cx_RW(cmd,		0x00)
 BUILD_CPC_Cx_RW(stat_conf,	0x08)
 BUILD_CPC_Cx_RW(other,		0x10)
+BUILD_CPC_Cx_RW(vp_stop,	0x20)
+BUILD_CPC_Cx_RW(vp_run,		0x28)
+BUILD_CPC_Cx_RW(vp_running,	0x30)
 
 /* CPC_Cx_CMD register fields */
 #define CPC_Cx_CMD_SHF				0
diff --git a/arch/mips/include/asm/mips_mt.h b/arch/mips/include/asm/mips_mt.h
index f6ba004a7..aa4cca060 100644
--- a/arch/mips/include/asm/mips_mt.h
+++ b/arch/mips/include/asm/mips_mt.h
@@ -1,5 +1,5 @@
 /*
- * Definitions and decalrations for MIPS MT support that are common between
+ * Definitions and declarations for MIPS MT support that are common between
  * the VSMP, and AP/SP kernel models.
  */
 #ifndef __ASM_MIPS_MT_H
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 3ad19ad04..e1ca65c62 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -48,6 +48,9 @@
 #define CP0_CONF $3
 #define CP0_CONTEXT $4
 #define CP0_PAGEMASK $5
+#define CP0_SEGCTL0 $5, 2
+#define CP0_SEGCTL1 $5, 3
+#define CP0_SEGCTL2 $5, 4
 #define CP0_WIRED $6
 #define CP0_INFO $7
 #define CP0_HWRENA $7, 0
@@ -55,8 +58,14 @@
 #define CP0_BADINSTR $8, 1
 #define CP0_COUNT $9
 #define CP0_ENTRYHI $10
+#define CP0_GUESTCTL1 $10, 4
+#define CP0_GUESTCTL2 $10, 5
+#define CP0_GUESTCTL3 $10, 6
 #define CP0_COMPARE $11
+#define CP0_GUESTCTL0EXT $11, 4
 #define CP0_STATUS $12
+#define CP0_GUESTCTL0 $12, 6
+#define CP0_GTOFFSET $12, 7
 #define CP0_CAUSE $13
 #define CP0_EPC $14
 #define CP0_PRID $15
@@ -229,6 +238,8 @@
 
 /* MIPS32/64 EntryHI bit definitions */
 #define MIPS_ENTRYHI_EHINV	(_ULCAST_(1) << 10)
+#define MIPS_ENTRYHI_ASIDX	(_ULCAST_(0x3) << 8)
+#define MIPS_ENTRYHI_ASID	(_ULCAST_(0xff) << 0)
 
 /*
  * R4x00 interrupt enable / cause bits
@@ -390,6 +401,8 @@
 #define	 CAUSEF_IP7		(_ULCAST_(1)   << 15)
 #define CAUSEB_FDCI		21
 #define CAUSEF_FDCI		(_ULCAST_(1)   << 21)
+#define CAUSEB_WP		22
+#define CAUSEF_WP		(_ULCAST_(1)   << 22)
 #define CAUSEB_IV		23
 #define CAUSEF_IV		(_ULCAST_(1)   << 23)
 #define CAUSEB_PCI		26
@@ -611,7 +624,8 @@
 #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
 #define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT	(_ULCAST_(2) << 14)
 #define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT	(_ULCAST_(3) << 14)
-#define MIPS_CONF4_KSCREXIST	(_ULCAST_(255) << 16)
+#define MIPS_CONF4_KSCREXIST_SHIFT	(16)
+#define MIPS_CONF4_KSCREXIST	(_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT)
 #define MIPS_CONF4_VTLBSIZEEXT_SHIFT	(24)
 #define MIPS_CONF4_VTLBSIZEEXT	(_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
 #define MIPS_CONF4_AE		(_ULCAST_(1) << 28)
@@ -623,6 +637,7 @@
 #define MIPS_CONF5_MRP		(_ULCAST_(1) << 3)
 #define MIPS_CONF5_LLB		(_ULCAST_(1) << 4)
 #define MIPS_CONF5_MVH		(_ULCAST_(1) << 5)
+#define MIPS_CONF5_VP		(_ULCAST_(1) << 7)
 #define MIPS_CONF5_FRE		(_ULCAST_(1) << 8)
 #define MIPS_CONF5_UFE		(_ULCAST_(1) << 9)
 #define MIPS_CONF5_MSAEN	(_ULCAST_(1) << 27)
@@ -633,6 +648,8 @@
 #define MIPS_CONF6_SYND		(_ULCAST_(1) << 13)
 /* proAptiv FTLB on/off bit */
 #define MIPS_CONF6_FTLBEN	(_ULCAST_(1) << 15)
+/* Loongson-3 FTLB on/off bit */
+#define MIPS_CONF6_FTLBDIS	(_ULCAST_(1) << 22)
 /* FTLB probability bits */
 #define MIPS_CONF6_FTLBP_SHIFT	(16)
 
@@ -645,12 +662,38 @@
 /* FTLB probability bits for R6 */
 #define MIPS_CONF7_FTLBP_SHIFT	(18)
 
+/* WatchLo* register definitions */
+#define MIPS_WATCHLO_IRW	(_ULCAST_(0x7) << 0)
+
+/* WatchHi* register definitions */
+#define MIPS_WATCHHI_M		(_ULCAST_(1) << 31)
+#define MIPS_WATCHHI_G		(_ULCAST_(1) << 30)
+#define MIPS_WATCHHI_WM		(_ULCAST_(0x3) << 28)
+#define MIPS_WATCHHI_WM_R_RVA	(_ULCAST_(0) << 28)
+#define MIPS_WATCHHI_WM_R_GPA	(_ULCAST_(1) << 28)
+#define MIPS_WATCHHI_WM_G_GVA	(_ULCAST_(2) << 28)
+#define MIPS_WATCHHI_EAS	(_ULCAST_(0x3) << 24)
+#define MIPS_WATCHHI_ASID	(_ULCAST_(0xff) << 16)
+#define MIPS_WATCHHI_MASK	(_ULCAST_(0x1ff) << 3)
+#define MIPS_WATCHHI_I		(_ULCAST_(1) << 2)
+#define MIPS_WATCHHI_R		(_ULCAST_(1) << 1)
+#define MIPS_WATCHHI_W		(_ULCAST_(1) << 0)
+#define MIPS_WATCHHI_IRW	(_ULCAST_(0x7) << 0)
+
 /* MAAR bit definitions */
 #define MIPS_MAAR_ADDR		((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
 #define MIPS_MAAR_ADDR_SHIFT	12
 #define MIPS_MAAR_S		(_ULCAST_(1) << 1)
 #define MIPS_MAAR_V		(_ULCAST_(1) << 0)
 
+/* EBase bit definitions */
+#define MIPS_EBASE_CPUNUM_SHIFT	0
+#define MIPS_EBASE_CPUNUM	(_ULCAST_(0x3ff) << 0)
+#define MIPS_EBASE_WG_SHIFT	11
+#define MIPS_EBASE_WG		(_ULCAST_(1) << 11)
+#define MIPS_EBASE_BASE_SHIFT	12
+#define MIPS_EBASE_BASE		(~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1))
+
 /* CMGCRBase bit definitions */
 #define MIPS_CMGCRB_BASE	11
 #define MIPS_CMGCRF_BASE	(~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
@@ -686,6 +729,8 @@
 #define MIPS_PWFIELD_PTEI_SHIFT	0
 #define MIPS_PWFIELD_PTEI_MASK	0x0000003f
 
+#define MIPS_PWSIZE_PS_SHIFT	30
+#define MIPS_PWSIZE_PS_MASK	0x40000000
 #define MIPS_PWSIZE_GDW_SHIFT	24
 #define MIPS_PWSIZE_GDW_MASK	0x3f000000
 #define MIPS_PWSIZE_UDW_SHIFT	18
@@ -699,6 +744,12 @@
 
 #define MIPS_PWCTL_PWEN_SHIFT	31
 #define MIPS_PWCTL_PWEN_MASK	0x80000000
+#define MIPS_PWCTL_XK_SHIFT	28
+#define MIPS_PWCTL_XK_MASK	0x10000000
+#define MIPS_PWCTL_XS_SHIFT	27
+#define MIPS_PWCTL_XS_MASK	0x08000000
+#define MIPS_PWCTL_XU_SHIFT	26
+#define MIPS_PWCTL_XU_MASK	0x04000000
 #define MIPS_PWCTL_DPH_SHIFT	7
 #define MIPS_PWCTL_DPH_MASK	0x00000080
 #define MIPS_PWCTL_HUGEPG_SHIFT	6
@@ -706,6 +757,94 @@
 #define MIPS_PWCTL_PSN_SHIFT	0
 #define MIPS_PWCTL_PSN_MASK	0x0000003f
 
+/* GuestCtl0 fields */
+#define MIPS_GCTL0_GM_SHIFT	31
+#define MIPS_GCTL0_GM		(_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT)
+#define MIPS_GCTL0_RI_SHIFT	30
+#define MIPS_GCTL0_RI		(_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT)
+#define MIPS_GCTL0_MC_SHIFT	29
+#define MIPS_GCTL0_MC		(_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT)
+#define MIPS_GCTL0_CP0_SHIFT	28
+#define MIPS_GCTL0_CP0		(_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT)
+#define MIPS_GCTL0_AT_SHIFT	26
+#define MIPS_GCTL0_AT		(_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT)
+#define MIPS_GCTL0_GT_SHIFT	25
+#define MIPS_GCTL0_GT		(_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT)
+#define MIPS_GCTL0_CG_SHIFT	24
+#define MIPS_GCTL0_CG		(_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT)
+#define MIPS_GCTL0_CF_SHIFT	23
+#define MIPS_GCTL0_CF		(_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT)
+#define MIPS_GCTL0_G1_SHIFT	22
+#define MIPS_GCTL0_G1		(_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT)
+#define MIPS_GCTL0_G0E_SHIFT	19
+#define MIPS_GCTL0_G0E		(_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT)
+#define MIPS_GCTL0_PT_SHIFT	18
+#define MIPS_GCTL0_PT		(_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT)
+#define MIPS_GCTL0_RAD_SHIFT	9
+#define MIPS_GCTL0_RAD		(_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT)
+#define MIPS_GCTL0_DRG_SHIFT	8
+#define MIPS_GCTL0_DRG		(_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT)
+#define MIPS_GCTL0_G2_SHIFT	7
+#define MIPS_GCTL0_G2		(_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT)
+#define MIPS_GCTL0_GEXC_SHIFT	2
+#define MIPS_GCTL0_GEXC		(_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT)
+#define MIPS_GCTL0_SFC2_SHIFT	1
+#define MIPS_GCTL0_SFC2		(_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT)
+#define MIPS_GCTL0_SFC1_SHIFT	0
+#define MIPS_GCTL0_SFC1		(_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT)
+
+/* GuestCtl0.AT Guest address translation control */
+#define MIPS_GCTL0_AT_ROOT	1  /* Guest MMU under Root control */
+#define MIPS_GCTL0_AT_GUEST	3  /* Guest MMU under Guest control */
+
+/* GuestCtl0.GExcCode Hypervisor exception cause codes */
+#define MIPS_GCTL0_GEXC_GPSI	0  /* Guest Privileged Sensitive Instruction */
+#define MIPS_GCTL0_GEXC_GSFC	1  /* Guest Software Field Change */
+#define MIPS_GCTL0_GEXC_HC	2  /* Hypercall */
+#define MIPS_GCTL0_GEXC_GRR	3  /* Guest Reserved Instruction Redirect */
+#define MIPS_GCTL0_GEXC_GVA	8  /* Guest Virtual Address available */
+#define MIPS_GCTL0_GEXC_GHFC	9  /* Guest Hardware Field Change */
+#define MIPS_GCTL0_GEXC_GPA	10 /* Guest Physical Address available */
+
+/* GuestCtl0Ext fields */
+#define MIPS_GCTL0EXT_RPW_SHIFT	8
+#define MIPS_GCTL0EXT_RPW	(_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT)
+#define MIPS_GCTL0EXT_NCC_SHIFT	6
+#define MIPS_GCTL0EXT_NCC	(_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT)
+#define MIPS_GCTL0EXT_CGI_SHIFT	4
+#define MIPS_GCTL0EXT_CGI	(_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT)
+#define MIPS_GCTL0EXT_FCD_SHIFT	3
+#define MIPS_GCTL0EXT_FCD	(_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT)
+#define MIPS_GCTL0EXT_OG_SHIFT	2
+#define MIPS_GCTL0EXT_OG	(_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT)
+#define MIPS_GCTL0EXT_BG_SHIFT	1
+#define MIPS_GCTL0EXT_BG	(_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT)
+#define MIPS_GCTL0EXT_MG_SHIFT	0
+#define MIPS_GCTL0EXT_MG	(_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT)
+
+/* GuestCtl0Ext.RPW Root page walk configuration */
+#define MIPS_GCTL0EXT_RPW_BOTH	0  /* Root PW for GPA->RPA and RVA->RPA */
+#define MIPS_GCTL0EXT_RPW_GPA	2  /* Root PW for GPA->RPA */
+#define MIPS_GCTL0EXT_RPW_RVA	3  /* Root PW for RVA->RPA */
+
+/* GuestCtl0Ext.NCC Nested cache coherency attributes */
+#define MIPS_GCTL0EXT_NCC_IND	0  /* Guest CCA independent of Root CCA */
+#define MIPS_GCTL0EXT_NCC_MOD	1  /* Guest CCA modified by Root CCA */
+
+/* GuestCtl1 fields */
+#define MIPS_GCTL1_ID_SHIFT	0
+#define MIPS_GCTL1_ID_WIDTH	8
+#define MIPS_GCTL1_ID		(_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT)
+#define MIPS_GCTL1_RID_SHIFT	16
+#define MIPS_GCTL1_RID_WIDTH	8
+#define MIPS_GCTL1_RID		(_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT)
+#define MIPS_GCTL1_EID_SHIFT	24
+#define MIPS_GCTL1_EID_WIDTH	8
+#define MIPS_GCTL1_EID		(_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT)
+
+/* GuestID reserved for root context */
+#define MIPS_GCTL1_ROOT_GUESTID	0
+
 /* CDMMBase register bit definitions */
 #define MIPS_CDMMBASE_SIZE_SHIFT 0
 #define MIPS_CDMMBASE_SIZE	(_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
@@ -757,6 +896,15 @@
 /* Disable Branch Return Cache */
 #define R10K_DIAG_D_BRC		(_ULCAST_(1) << 22)
 
+/* Flush ITLB */
+#define LOONGSON_DIAG_ITLB	(_ULCAST_(1) << 2)
+/* Flush DTLB */
+#define LOONGSON_DIAG_DTLB	(_ULCAST_(1) << 3)
+/* Flush VTLB */
+#define LOONGSON_DIAG_VTLB	(_ULCAST_(1) << 12)
+/* Flush FTLB */
+#define LOONGSON_DIAG_FTLB	(_ULCAST_(1) << 13)
+
 /*
  * Coprocessor 1 (FPU) register names
  */
@@ -909,6 +1057,33 @@ static inline int mm_insn_16bit(u16 insn)
 }
 
 /*
+ * Helper macros for generating raw instruction encodings in inline asm.
+ */
+#ifdef CONFIG_CPU_MICROMIPS
+#define _ASM_INSN16_IF_MM(_enc)			\
+	".insn\n\t"				\
+	".hword (" #_enc ")\n\t"
+#define _ASM_INSN32_IF_MM(_enc)			\
+	".insn\n\t"				\
+	".hword ((" #_enc ") >> 16)\n\t"	\
+	".hword ((" #_enc ") & 0xffff)\n\t"
+#else
+#define _ASM_INSN_IF_MIPS(_enc)			\
+	".insn\n\t"				\
+	".word (" #_enc ")\n\t"
+#endif
+
+#ifndef _ASM_INSN16_IF_MM
+#define _ASM_INSN16_IF_MM(_enc)
+#endif
+#ifndef _ASM_INSN32_IF_MM
+#define _ASM_INSN32_IF_MM(_enc)
+#endif
+#ifndef _ASM_INSN_IF_MIPS
+#define _ASM_INSN_IF_MIPS(_enc)
+#endif
+
+/*
  * TLB Invalidate Flush
  */
 static inline void tlbinvf(void)
@@ -916,7 +1091,9 @@ static inline void tlbinvf(void)
 	__asm__ __volatile__(
 		".set push\n\t"
 		".set noreorder\n\t"
-		".word 0x42000004\n\t" /* tlbinvf */
+		"# tlbinvf\n\t"
+		_ASM_INSN_IF_MIPS(0x42000004)
+		_ASM_INSN32_IF_MM(0x0000537c)
 		".set pop");
 }
 
@@ -1137,9 +1314,9 @@ do {									\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
 	"	.set	mips32r2				\n"	\
-	"	.insn						\n"	\
 	"	# mfhc0 $1, %1					\n"	\
-	"	.word	(0x40410000 | ((%1 & 0x1f) << 11))	\n"	\
+	_ASM_INSN_IF_MIPS(0x40410000 | ((%1 & 0x1f) << 11))		\
+	_ASM_INSN32_IF_MM(0x002000f4 | ((%1 & 0x1f) << 16))		\
 	"	move	%0, $1					\n"	\
 	"	.set	pop					\n"	\
 	: "=r" (__res)							\
@@ -1155,8 +1332,8 @@ do {									\
 	"	.set	mips32r2				\n"	\
 	"	move	$1, %0					\n"	\
 	"	# mthc0 $1, %1					\n"	\
-	"	.insn						\n"	\
-	"	.word	(0x40c10000 | ((%1 & 0x1f) << 11))	\n"	\
+	_ASM_INSN_IF_MIPS(0x40c10000 | ((%1 & 0x1f) << 11))		\
+	_ASM_INSN32_IF_MM(0x002002f4 | ((%1 & 0x1f) << 16))		\
 	"	.set	pop					\n"	\
 	:								\
 	: "r" (value), "i" (register));					\
@@ -1186,9 +1363,15 @@ do {									\
 #define read_c0_context()	__read_ulong_c0_register($4, 0)
 #define write_c0_context(val)	__write_ulong_c0_register($4, 0, val)
 
+#define read_c0_contextconfig()		__read_32bit_c0_register($4, 1)
+#define write_c0_contextconfig(val)	__write_32bit_c0_register($4, 1, val)
+
 #define read_c0_userlocal()	__read_ulong_c0_register($4, 2)
 #define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
 
+#define read_c0_xcontextconfig()	__read_ulong_c0_register($4, 3)
+#define write_c0_xcontextconfig(val)	__write_ulong_c0_register($4, 3, val)
+
 #define read_c0_pagemask()	__read_32bit_c0_register($5, 0)
 #define write_c0_pagemask(val)	__write_32bit_c0_register($5, 0, val)
 
@@ -1206,6 +1389,9 @@ do {									\
 #define read_c0_badvaddr()	__read_ulong_c0_register($8, 0)
 #define write_c0_badvaddr(val)	__write_ulong_c0_register($8, 0, val)
 
+#define read_c0_badinstr()	__read_32bit_c0_register($8, 1)
+#define read_c0_badinstrp()	__read_32bit_c0_register($8, 2)
+
 #define read_c0_count()		__read_32bit_c0_register($9, 0)
 #define write_c0_count(val)	__write_32bit_c0_register($9, 0, val)
 
@@ -1218,9 +1404,21 @@ do {									\
 #define read_c0_entryhi()	__read_ulong_c0_register($10, 0)
 #define write_c0_entryhi(val)	__write_ulong_c0_register($10, 0, val)
 
+#define read_c0_guestctl1()	__read_32bit_c0_register($10, 4)
+#define write_c0_guestctl1(val)	__write_32bit_c0_register($10, 4, val)
+
+#define read_c0_guestctl2()	__read_32bit_c0_register($10, 5)
+#define write_c0_guestctl2(val)	__write_32bit_c0_register($10, 5, val)
+
+#define read_c0_guestctl3()	__read_32bit_c0_register($10, 6)
+#define write_c0_guestctl3(val)	__write_32bit_c0_register($10, 6, val)
+
 #define read_c0_compare()	__read_32bit_c0_register($11, 0)
 #define write_c0_compare(val)	__write_32bit_c0_register($11, 0, val)
 
+#define read_c0_guestctl0ext()	__read_32bit_c0_register($11, 4)
+#define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val)
+
 #define read_c0_compare2()	__read_32bit_c0_register($11, 6) /* pnx8550 */
 #define write_c0_compare2(val)	__write_32bit_c0_register($11, 6, val)
 
@@ -1231,6 +1429,12 @@ do {									\
 
 #define write_c0_status(val)	__write_32bit_c0_register($12, 0, val)
 
+#define read_c0_guestctl0()	__read_32bit_c0_register($12, 6)
+#define write_c0_guestctl0(val)	__write_32bit_c0_register($12, 6, val)
+
+#define read_c0_gtoffset()	__read_32bit_c0_register($12, 7)
+#define write_c0_gtoffset(val)	__write_32bit_c0_register($12, 7, val)
+
 #define read_c0_cause()		__read_32bit_c0_register($13, 0)
 #define write_c0_cause(val)	__write_32bit_c0_register($13, 0, val)
 
@@ -1416,6 +1620,9 @@ do {									\
 #define read_c0_ebase()		__read_32bit_c0_register($15, 1)
 #define write_c0_ebase(val)	__write_32bit_c0_register($15, 1, val)
 
+#define read_c0_ebase_64()	__read_64bit_c0_register($15, 1)
+#define write_c0_ebase_64(val)	__write_64bit_c0_register($15, 1, val)
+
 #define read_c0_cdmmbase()	__read_ulong_c0_register($15, 2)
 #define write_c0_cdmmbase(val)	__write_ulong_c0_register($15, 2, val)
 
@@ -1442,6 +1649,12 @@ do {									\
 #define read_c0_pwctl()		__read_32bit_c0_register($6, 6)
 #define write_c0_pwctl(val)	__write_32bit_c0_register($6, 6, val)
 
+#define read_c0_pgd()		__read_64bit_c0_register($9, 7)
+#define write_c0_pgd(val)	__write_64bit_c0_register($9, 7, val)
+
+#define read_c0_kpgd()		__read_64bit_c0_register($31, 7)
+#define write_c0_kpgd(val)	__write_64bit_c0_register($31, 7, val)
+
 /* Cavium OCTEON (cnMIPS) */
 #define read_c0_cvmcount()	__read_ulong_c0_register($9, 6)
 #define write_c0_cvmcount(val)	__write_ulong_c0_register($9, 6, val)
@@ -1507,6 +1720,321 @@ do {									\
 #define write_c0_brcm_sleepcount(val)	__write_32bit_c0_register($22, 7, val)
 
 /*
+ * Macros to access the guest system control coprocessor
+ */
+
+#ifdef TOOLCHAIN_SUPPORTS_VIRT
+
+#define __read_32bit_gc0_register(source, sel)				\
+({ int __res;								\
+	__asm__ __volatile__(						\
+		".set\tpush\n\t"					\
+		".set\tmips32r2\n\t"					\
+		".set\tvirt\n\t"					\
+		"mfgc0\t%0, $%1, %2\n\t"				\
+		".set\tpop"						\
+		: "=r" (__res)						\
+		: "i" (source), "i" (sel));				\
+	__res;								\
+})
+
+#define __read_64bit_gc0_register(source, sel)				\
+({ unsigned long long __res;						\
+	__asm__ __volatile__(						\
+		".set\tpush\n\t"					\
+		".set\tmips64r2\n\t"					\
+		".set\tvirt\n\t"					\
+		"dmfgc0\t%0, $%1, %2\n\t"			\
+		".set\tpop"						\
+		: "=r" (__res)						\
+		: "i" (source), "i" (sel));				\
+	__res;								\
+})
+
+#define __write_32bit_gc0_register(register, sel, value)		\
+do {									\
+	__asm__ __volatile__(						\
+		".set\tpush\n\t"					\
+		".set\tmips32r2\n\t"					\
+		".set\tvirt\n\t"					\
+		"mtgc0\t%z0, $%1, %2\n\t"				\
+		".set\tpop"						\
+		: : "Jr" ((unsigned int)(value)),			\
+		    "i" (register), "i" (sel));				\
+} while (0)
+
+#define __write_64bit_gc0_register(register, sel, value)		\
+do {									\
+	__asm__ __volatile__(						\
+		".set\tpush\n\t"					\
+		".set\tmips64r2\n\t"					\
+		".set\tvirt\n\t"					\
+		"dmtgc0\t%z0, $%1, %2\n\t"				\
+		".set\tpop"						\
+		: : "Jr" (value),					\
+		    "i" (register), "i" (sel));				\
+} while (0)
+
+#else	/* TOOLCHAIN_SUPPORTS_VIRT */
+
+#define __read_32bit_gc0_register(source, sel)				\
+({ int __res;								\
+	__asm__ __volatile__(						\
+		".set\tpush\n\t"					\
+		".set\tnoat\n\t"					\
+		"# mfgc0\t$1, $%1, %2\n\t"				\
+		_ASM_INSN_IF_MIPS(0x40610000 | %1 << 11 | %2)		\
+		_ASM_INSN32_IF_MM(0x002004fc | %1 << 16 | %2 << 11)	\
+		"move\t%0, $1\n\t"					\
+		".set\tpop"						\
+		: "=r" (__res)						\
+		: "i" (source), "i" (sel));				\
+	__res;								\
+})
+
+#define __read_64bit_gc0_register(source, sel)				\
+({ unsigned long long __res;						\
+	__asm__ __volatile__(						\
+		".set\tpush\n\t"					\
+		".set\tnoat\n\t"					\
+		"# dmfgc0\t$1, $%1, %2\n\t"				\
+		_ASM_INSN_IF_MIPS(0x40610100 | %1 << 11 | %2)		\
+		_ASM_INSN32_IF_MM(0x582004fc | %1 << 16 | %2 << 11)	\
+		"move\t%0, $1\n\t"					\
+		".set\tpop"						\
+		: "=r" (__res)						\
+		: "i" (source), "i" (sel));				\
+	__res;								\
+})
+
+#define __write_32bit_gc0_register(register, sel, value)		\
+do {									\
+	__asm__ __volatile__(						\
+		".set\tpush\n\t"					\
+		".set\tnoat\n\t"					\
+		"move\t$1, %z0\n\t"					\
+		"# mtgc0\t$1, $%1, %2\n\t"				\
+		_ASM_INSN_IF_MIPS(0x40610200 | %1 << 11 | %2)		\
+		_ASM_INSN32_IF_MM(0x002006fc | %1 << 16 | %2 << 11)	\
+		".set\tpop"						\
+		: : "Jr" ((unsigned int)(value)),			\
+		    "i" (register), "i" (sel));				\
+} while (0)
+
+#define __write_64bit_gc0_register(register, sel, value)		\
+do {									\
+	__asm__ __volatile__(						\
+		".set\tpush\n\t"					\
+		".set\tnoat\n\t"					\
+		"move\t$1, %z0\n\t"					\
+		"# dmtgc0\t$1, $%1, %2\n\t"				\
+		_ASM_INSN_IF_MIPS(0x40610300 | %1 << 11 | %2)		\
+		_ASM_INSN32_IF_MM(0x582006fc | %1 << 16 | %2 << 11)	\
+		".set\tpop"						\
+		: : "Jr" (value),					\
+		    "i" (register), "i" (sel));				\
+} while (0)
+
+#endif	/* !TOOLCHAIN_SUPPORTS_VIRT */
+
+#define __read_ulong_gc0_register(reg, sel)				\
+	((sizeof(unsigned long) == 4) ?					\
+	(unsigned long) __read_32bit_gc0_register(reg, sel) :		\
+	(unsigned long) __read_64bit_gc0_register(reg, sel))
+
+#define __write_ulong_gc0_register(reg, sel, val)			\
+do {									\
+	if (sizeof(unsigned long) == 4)					\
+		__write_32bit_gc0_register(reg, sel, val);		\
+	else								\
+		__write_64bit_gc0_register(reg, sel, val);		\
+} while (0)
+
+#define read_gc0_index()		__read_32bit_gc0_register(0, 0)
+#define write_gc0_index(val)		__write_32bit_gc0_register(0, 0, val)
+
+#define read_gc0_entrylo0()		__read_ulong_gc0_register(2, 0)
+#define write_gc0_entrylo0(val)		__write_ulong_gc0_register(2, 0, val)
+
+#define read_gc0_entrylo1()		__read_ulong_gc0_register(3, 0)
+#define write_gc0_entrylo1(val)		__write_ulong_gc0_register(3, 0, val)
+
+#define read_gc0_context()		__read_ulong_gc0_register(4, 0)
+#define write_gc0_context(val)		__write_ulong_gc0_register(4, 0, val)
+
+#define read_gc0_contextconfig()	__read_32bit_gc0_register(4, 1)
+#define write_gc0_contextconfig(val)	__write_32bit_gc0_register(4, 1, val)
+
+#define read_gc0_userlocal()		__read_ulong_gc0_register(4, 2)
+#define write_gc0_userlocal(val)	__write_ulong_gc0_register(4, 2, val)
+
+#define read_gc0_xcontextconfig()	__read_ulong_gc0_register(4, 3)
+#define write_gc0_xcontextconfig(val)	__write_ulong_gc0_register(4, 3, val)
+
+#define read_gc0_pagemask()		__read_32bit_gc0_register(5, 0)
+#define write_gc0_pagemask(val)		__write_32bit_gc0_register(5, 0, val)
+
+#define read_gc0_pagegrain()		__read_32bit_gc0_register(5, 1)
+#define write_gc0_pagegrain(val)	__write_32bit_gc0_register(5, 1, val)
+
+#define read_gc0_segctl0()		__read_ulong_gc0_register(5, 2)
+#define write_gc0_segctl0(val)		__write_ulong_gc0_register(5, 2, val)
+
+#define read_gc0_segctl1()		__read_ulong_gc0_register(5, 3)
+#define write_gc0_segctl1(val)		__write_ulong_gc0_register(5, 3, val)
+
+#define read_gc0_segctl2()		__read_ulong_gc0_register(5, 4)
+#define write_gc0_segctl2(val)		__write_ulong_gc0_register(5, 4, val)
+
+#define read_gc0_pwbase()		__read_ulong_gc0_register(5, 5)
+#define write_gc0_pwbase(val)		__write_ulong_gc0_register(5, 5, val)
+
+#define read_gc0_pwfield()		__read_ulong_gc0_register(5, 6)
+#define write_gc0_pwfield(val)		__write_ulong_gc0_register(5, 6, val)
+
+#define read_gc0_pwsize()		__read_ulong_gc0_register(5, 7)
+#define write_gc0_pwsize(val)		__write_ulong_gc0_register(5, 7, val)
+
+#define read_gc0_wired()		__read_32bit_gc0_register(6, 0)
+#define write_gc0_wired(val)		__write_32bit_gc0_register(6, 0, val)
+
+#define read_gc0_pwctl()		__read_32bit_gc0_register(6, 6)
+#define write_gc0_pwctl(val)		__write_32bit_gc0_register(6, 6, val)
+
+#define read_gc0_hwrena()		__read_32bit_gc0_register(7, 0)
+#define write_gc0_hwrena(val)		__write_32bit_gc0_register(7, 0, val)
+
+#define read_gc0_badvaddr()		__read_ulong_gc0_register(8, 0)
+#define write_gc0_badvaddr(val)		__write_ulong_gc0_register(8, 0, val)
+
+#define read_gc0_badinstr()		__read_32bit_gc0_register(8, 1)
+#define write_gc0_badinstr(val)		__write_32bit_gc0_register(8, 1, val)
+
+#define read_gc0_badinstrp()		__read_32bit_gc0_register(8, 2)
+#define write_gc0_badinstrp(val)	__write_32bit_gc0_register(8, 2, val)
+
+#define read_gc0_count()		__read_32bit_gc0_register(9, 0)
+
+#define read_gc0_entryhi()		__read_ulong_gc0_register(10, 0)
+#define write_gc0_entryhi(val)		__write_ulong_gc0_register(10, 0, val)
+
+#define read_gc0_compare()		__read_32bit_gc0_register(11, 0)
+#define write_gc0_compare(val)		__write_32bit_gc0_register(11, 0, val)
+
+#define read_gc0_status()		__read_32bit_gc0_register(12, 0)
+#define write_gc0_status(val)		__write_32bit_gc0_register(12, 0, val)
+
+#define read_gc0_intctl()		__read_32bit_gc0_register(12, 1)
+#define write_gc0_intctl(val)		__write_32bit_gc0_register(12, 1, val)
+
+#define read_gc0_cause()		__read_32bit_gc0_register(13, 0)
+#define write_gc0_cause(val)		__write_32bit_gc0_register(13, 0, val)
+
+#define read_gc0_epc()			__read_ulong_gc0_register(14, 0)
+#define write_gc0_epc(val)		__write_ulong_gc0_register(14, 0, val)
+
+#define read_gc0_ebase()		__read_32bit_gc0_register(15, 1)
+#define write_gc0_ebase(val)		__write_32bit_gc0_register(15, 1, val)
+
+#define read_gc0_ebase_64()		__read_64bit_gc0_register(15, 1)
+#define write_gc0_ebase_64(val)		__write_64bit_gc0_register(15, 1, val)
+
+#define read_gc0_config()		__read_32bit_gc0_register(16, 0)
+#define read_gc0_config1()		__read_32bit_gc0_register(16, 1)
+#define read_gc0_config2()		__read_32bit_gc0_register(16, 2)
+#define read_gc0_config3()		__read_32bit_gc0_register(16, 3)
+#define read_gc0_config4()		__read_32bit_gc0_register(16, 4)
+#define read_gc0_config5()		__read_32bit_gc0_register(16, 5)
+#define read_gc0_config6()		__read_32bit_gc0_register(16, 6)
+#define read_gc0_config7()		__read_32bit_gc0_register(16, 7)
+#define write_gc0_config(val)		__write_32bit_gc0_register(16, 0, val)
+#define write_gc0_config1(val)		__write_32bit_gc0_register(16, 1, val)
+#define write_gc0_config2(val)		__write_32bit_gc0_register(16, 2, val)
+#define write_gc0_config3(val)		__write_32bit_gc0_register(16, 3, val)
+#define write_gc0_config4(val)		__write_32bit_gc0_register(16, 4, val)
+#define write_gc0_config5(val)		__write_32bit_gc0_register(16, 5, val)
+#define write_gc0_config6(val)		__write_32bit_gc0_register(16, 6, val)
+#define write_gc0_config7(val)		__write_32bit_gc0_register(16, 7, val)
+
+#define read_gc0_watchlo0()		__read_ulong_gc0_register(18, 0)
+#define read_gc0_watchlo1()		__read_ulong_gc0_register(18, 1)
+#define read_gc0_watchlo2()		__read_ulong_gc0_register(18, 2)
+#define read_gc0_watchlo3()		__read_ulong_gc0_register(18, 3)
+#define read_gc0_watchlo4()		__read_ulong_gc0_register(18, 4)
+#define read_gc0_watchlo5()		__read_ulong_gc0_register(18, 5)
+#define read_gc0_watchlo6()		__read_ulong_gc0_register(18, 6)
+#define read_gc0_watchlo7()		__read_ulong_gc0_register(18, 7)
+#define write_gc0_watchlo0(val)		__write_ulong_gc0_register(18, 0, val)
+#define write_gc0_watchlo1(val)		__write_ulong_gc0_register(18, 1, val)
+#define write_gc0_watchlo2(val)		__write_ulong_gc0_register(18, 2, val)
+#define write_gc0_watchlo3(val)		__write_ulong_gc0_register(18, 3, val)
+#define write_gc0_watchlo4(val)		__write_ulong_gc0_register(18, 4, val)
+#define write_gc0_watchlo5(val)		__write_ulong_gc0_register(18, 5, val)
+#define write_gc0_watchlo6(val)		__write_ulong_gc0_register(18, 6, val)
+#define write_gc0_watchlo7(val)		__write_ulong_gc0_register(18, 7, val)
+
+#define read_gc0_watchhi0()		__read_32bit_gc0_register(19, 0)
+#define read_gc0_watchhi1()		__read_32bit_gc0_register(19, 1)
+#define read_gc0_watchhi2()		__read_32bit_gc0_register(19, 2)
+#define read_gc0_watchhi3()		__read_32bit_gc0_register(19, 3)
+#define read_gc0_watchhi4()		__read_32bit_gc0_register(19, 4)
+#define read_gc0_watchhi5()		__read_32bit_gc0_register(19, 5)
+#define read_gc0_watchhi6()		__read_32bit_gc0_register(19, 6)
+#define read_gc0_watchhi7()		__read_32bit_gc0_register(19, 7)
+#define write_gc0_watchhi0(val)		__write_32bit_gc0_register(19, 0, val)
+#define write_gc0_watchhi1(val)		__write_32bit_gc0_register(19, 1, val)
+#define write_gc0_watchhi2(val)		__write_32bit_gc0_register(19, 2, val)
+#define write_gc0_watchhi3(val)		__write_32bit_gc0_register(19, 3, val)
+#define write_gc0_watchhi4(val)		__write_32bit_gc0_register(19, 4, val)
+#define write_gc0_watchhi5(val)		__write_32bit_gc0_register(19, 5, val)
+#define write_gc0_watchhi6(val)		__write_32bit_gc0_register(19, 6, val)
+#define write_gc0_watchhi7(val)		__write_32bit_gc0_register(19, 7, val)
+
+#define read_gc0_xcontext()		__read_ulong_gc0_register(20, 0)
+#define write_gc0_xcontext(val)		__write_ulong_gc0_register(20, 0, val)
+
+#define read_gc0_perfctrl0()		__read_32bit_gc0_register(25, 0)
+#define write_gc0_perfctrl0(val)	__write_32bit_gc0_register(25, 0, val)
+#define read_gc0_perfcntr0()		__read_32bit_gc0_register(25, 1)
+#define write_gc0_perfcntr0(val)	__write_32bit_gc0_register(25, 1, val)
+#define read_gc0_perfcntr0_64()		__read_64bit_gc0_register(25, 1)
+#define write_gc0_perfcntr0_64(val)	__write_64bit_gc0_register(25, 1, val)
+#define read_gc0_perfctrl1()		__read_32bit_gc0_register(25, 2)
+#define write_gc0_perfctrl1(val)	__write_32bit_gc0_register(25, 2, val)
+#define read_gc0_perfcntr1()		__read_32bit_gc0_register(25, 3)
+#define write_gc0_perfcntr1(val)	__write_32bit_gc0_register(25, 3, val)
+#define read_gc0_perfcntr1_64()		__read_64bit_gc0_register(25, 3)
+#define write_gc0_perfcntr1_64(val)	__write_64bit_gc0_register(25, 3, val)
+#define read_gc0_perfctrl2()		__read_32bit_gc0_register(25, 4)
+#define write_gc0_perfctrl2(val)	__write_32bit_gc0_register(25, 4, val)
+#define read_gc0_perfcntr2()		__read_32bit_gc0_register(25, 5)
+#define write_gc0_perfcntr2(val)	__write_32bit_gc0_register(25, 5, val)
+#define read_gc0_perfcntr2_64()		__read_64bit_gc0_register(25, 5)
+#define write_gc0_perfcntr2_64(val)	__write_64bit_gc0_register(25, 5, val)
+#define read_gc0_perfctrl3()		__read_32bit_gc0_register(25, 6)
+#define write_gc0_perfctrl3(val)	__write_32bit_gc0_register(25, 6, val)
+#define read_gc0_perfcntr3()		__read_32bit_gc0_register(25, 7)
+#define write_gc0_perfcntr3(val)	__write_32bit_gc0_register(25, 7, val)
+#define read_gc0_perfcntr3_64()		__read_64bit_gc0_register(25, 7)
+#define write_gc0_perfcntr3_64(val)	__write_64bit_gc0_register(25, 7, val)
+
+#define read_gc0_errorepc()		__read_ulong_gc0_register(30, 0)
+#define write_gc0_errorepc(val)		__write_ulong_gc0_register(30, 0, val)
+
+#define read_gc0_kscratch1()		__read_ulong_gc0_register(31, 2)
+#define read_gc0_kscratch2()		__read_ulong_gc0_register(31, 3)
+#define read_gc0_kscratch3()		__read_ulong_gc0_register(31, 4)
+#define read_gc0_kscratch4()		__read_ulong_gc0_register(31, 5)
+#define read_gc0_kscratch5()		__read_ulong_gc0_register(31, 6)
+#define read_gc0_kscratch6()		__read_ulong_gc0_register(31, 7)
+#define write_gc0_kscratch1(val)	__write_ulong_gc0_register(31, 2, val)
+#define write_gc0_kscratch2(val)	__write_ulong_gc0_register(31, 3, val)
+#define write_gc0_kscratch3(val)	__write_ulong_gc0_register(31, 4, val)
+#define write_gc0_kscratch4(val)	__write_ulong_gc0_register(31, 5, val)
+#define write_gc0_kscratch5(val)	__write_ulong_gc0_register(31, 6, val)
+#define write_gc0_kscratch6(val)	__write_ulong_gc0_register(31, 7, val)
+
+/*
  * Macros to access the floating point coprocessor control registers
  */
 #define _read_32bit_cp1_register(source, gas_hardfloat)			\
@@ -1762,7 +2290,6 @@ do {									\
 
 #else
 
-#ifdef CONFIG_CPU_MICROMIPS
 #define rddsp(mask)							\
 ({									\
 	unsigned int __res;						\
@@ -1771,8 +2298,8 @@ do {									\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
 	"	# rddsp $1, %x1					\n"	\
-	"	.hword	((0x0020067c | (%x1 << 14)) >> 16)	\n"	\
-	"	.hword	((0x0020067c | (%x1 << 14)) & 0xffff)	\n"	\
+	_ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16))			\
+	_ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14))			\
 	"	move	%0, $1					\n"	\
 	"	.set	pop					\n"	\
 	: "=r" (__res)							\
@@ -1787,22 +2314,22 @@ do {									\
 	"	.set	noat					\n"	\
 	"	move	$1, %0					\n"	\
 	"	# wrdsp $1, %x1					\n"	\
-	"	.hword	((0x0020167c | (%x1 << 14)) >> 16)	\n"	\
-	"	.hword	((0x0020167c | (%x1 << 14)) & 0xffff)	\n"	\
+	_ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11))			\
+	_ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14))			\
 	"	.set	pop					\n"	\
 	:								\
 	: "r" (val), "i" (mask));					\
 } while (0)
 
-#define _umips_dsp_mfxxx(ins)						\
+#define _dsp_mfxxx(ins)							\
 ({									\
 	unsigned long __treg;						\
 									\
 	__asm__ __volatile__(						\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
-	"	.hword	0x0001					\n"	\
-	"	.hword	%x1					\n"	\
+	_ASM_INSN_IF_MIPS(0x00000810 | %X1)				\
+	_ASM_INSN32_IF_MM(0x0001007c | %x1)				\
 	"	move	%0, $1					\n"	\
 	"	.set	pop					\n"	\
 	: "=r" (__treg)							\
@@ -1810,101 +2337,28 @@ do {									\
 	__treg;								\
 })
 
-#define _umips_dsp_mtxxx(val, ins)					\
+#define _dsp_mtxxx(val, ins)						\
 do {									\
 	__asm__ __volatile__(						\
 	"	.set	push					\n"	\
 	"	.set	noat					\n"	\
 	"	move	$1, %0					\n"	\
-	"	.hword	0x0001					\n"	\
-	"	.hword	%x1					\n"	\
+	_ASM_INSN_IF_MIPS(0x00200011 | %X1)				\
+	_ASM_INSN32_IF_MM(0x0001207c | %x1)				\
 	"	.set	pop					\n"	\
 	:								\
 	: "r" (val), "i" (ins));					\
 } while (0)
 
-#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
-#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
-
-#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
-#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
-
-#define mflo0() _umips_dsp_mflo(0)
-#define mflo1() _umips_dsp_mflo(1)
-#define mflo2() _umips_dsp_mflo(2)
-#define mflo3() _umips_dsp_mflo(3)
-
-#define mfhi0() _umips_dsp_mfhi(0)
-#define mfhi1() _umips_dsp_mfhi(1)
-#define mfhi2() _umips_dsp_mfhi(2)
-#define mfhi3() _umips_dsp_mfhi(3)
+#ifdef CONFIG_CPU_MICROMIPS
 
-#define mtlo0(x) _umips_dsp_mtlo(x, 0)
-#define mtlo1(x) _umips_dsp_mtlo(x, 1)
-#define mtlo2(x) _umips_dsp_mtlo(x, 2)
-#define mtlo3(x) _umips_dsp_mtlo(x, 3)
+#define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000)
+#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000)
 
-#define mthi0(x) _umips_dsp_mthi(x, 0)
-#define mthi1(x) _umips_dsp_mthi(x, 1)
-#define mthi2(x) _umips_dsp_mthi(x, 2)
-#define mthi3(x) _umips_dsp_mthi(x, 3)
+#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000))
+#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000))
 
 #else  /* !CONFIG_CPU_MICROMIPS */
-#define rddsp(mask)							\
-({									\
-	unsigned int __res;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push				\n"		\
-	"	.set	noat				\n"		\
-	"	# rddsp $1, %x1				\n"		\
-	"	.word	0x7c000cb8 | (%x1 << 16)	\n"		\
-	"	move	%0, $1				\n"		\
-	"	.set	pop				\n"		\
-	: "=r" (__res)							\
-	: "i" (mask));							\
-	__res;								\
-})
-
-#define wrdsp(val, mask)						\
-do {									\
-	__asm__ __volatile__(						\
-	"	.set	push					\n"	\
-	"	.set	noat					\n"	\
-	"	move	$1, %0					\n"	\
-	"	# wrdsp $1, %x1					\n"	\
-	"	.word	0x7c2004f8 | (%x1 << 11)		\n"	\
-	"	.set	pop					\n"	\
-        :								\
-	: "r" (val), "i" (mask));					\
-} while (0)
-
-#define _dsp_mfxxx(ins)							\
-({									\
-	unsigned long __treg;						\
-									\
-	__asm__ __volatile__(						\
-	"	.set	push					\n"	\
-	"	.set	noat					\n"	\
-	"	.word	(0x00000810 | %1)			\n"	\
-	"	move	%0, $1					\n"	\
-	"	.set	pop					\n"	\
-	: "=r" (__treg)							\
-	: "i" (ins));							\
-	__treg;								\
-})
-
-#define _dsp_mtxxx(val, ins)						\
-do {									\
-	__asm__ __volatile__(						\
-	"	.set	push					\n"	\
-	"	.set	noat					\n"	\
-	"	move	$1, %0					\n"	\
-	"	.word	(0x00200011 | %1)			\n"	\
-	"	.set	pop					\n"	\
-	:								\
-	: "r" (val), "i" (ins));					\
-} while (0)
 
 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
@@ -1912,6 +2366,8 @@ do {									\
 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
 
+#endif /* CONFIG_CPU_MICROMIPS */
+
 #define mflo0() _dsp_mflo(0)
 #define mflo1() _dsp_mflo(1)
 #define mflo2() _dsp_mflo(2)
@@ -1932,7 +2388,6 @@ do {									\
 #define mthi2(x) _dsp_mthi(x, 2)
 #define mthi3(x) _dsp_mthi(x, 3)
 
-#endif /* CONFIG_CPU_MICROMIPS */
 #endif
 
 /*
@@ -2001,47 +2456,164 @@ static inline void tlb_write_random(void)
 		".set reorder");
 }
 
+#ifdef TOOLCHAIN_SUPPORTS_VIRT
+
 /*
- * Manipulate bits in a c0 register.
+ * Guest TLB operations.
+ *
+ * It is responsibility of the caller to take care of any TLB hazards.
  */
-#define __BUILD_SET_C0(name)					\
+static inline void guest_tlb_probe(void)
+{
+	__asm__ __volatile__(
+		".set push\n\t"
+		".set noreorder\n\t"
+		".set virt\n\t"
+		"tlbgp\n\t"
+		".set pop");
+}
+
+static inline void guest_tlb_read(void)
+{
+	__asm__ __volatile__(
+		".set push\n\t"
+		".set noreorder\n\t"
+		".set virt\n\t"
+		"tlbgr\n\t"
+		".set pop");
+}
+
+static inline void guest_tlb_write_indexed(void)
+{
+	__asm__ __volatile__(
+		".set push\n\t"
+		".set noreorder\n\t"
+		".set virt\n\t"
+		"tlbgwi\n\t"
+		".set pop");
+}
+
+static inline void guest_tlb_write_random(void)
+{
+	__asm__ __volatile__(
+		".set push\n\t"
+		".set noreorder\n\t"
+		".set virt\n\t"
+		"tlbgwr\n\t"
+		".set pop");
+}
+
+/*
+ * Guest TLB Invalidate Flush
+ */
+static inline void guest_tlbinvf(void)
+{
+	__asm__ __volatile__(
+		".set push\n\t"
+		".set noreorder\n\t"
+		".set virt\n\t"
+		"tlbginvf\n\t"
+		".set pop");
+}
+
+#else	/* TOOLCHAIN_SUPPORTS_VIRT */
+
+/*
+ * Guest TLB operations.
+ *
+ * It is responsibility of the caller to take care of any TLB hazards.
+ */
+static inline void guest_tlb_probe(void)
+{
+	__asm__ __volatile__(
+		"# tlbgp\n\t"
+		_ASM_INSN_IF_MIPS(0x42000010)
+		_ASM_INSN32_IF_MM(0x0000017c));
+}
+
+static inline void guest_tlb_read(void)
+{
+	__asm__ __volatile__(
+		"# tlbgr\n\t"
+		_ASM_INSN_IF_MIPS(0x42000009)
+		_ASM_INSN32_IF_MM(0x0000117c));
+}
+
+static inline void guest_tlb_write_indexed(void)
+{
+	__asm__ __volatile__(
+		"# tlbgwi\n\t"
+		_ASM_INSN_IF_MIPS(0x4200000a)
+		_ASM_INSN32_IF_MM(0x0000217c));
+}
+
+static inline void guest_tlb_write_random(void)
+{
+	__asm__ __volatile__(
+		"# tlbgwr\n\t"
+		_ASM_INSN_IF_MIPS(0x4200000e)
+		_ASM_INSN32_IF_MM(0x0000317c));
+}
+
+/*
+ * Guest TLB Invalidate Flush
+ */
+static inline void guest_tlbinvf(void)
+{
+	__asm__ __volatile__(
+		"# tlbginvf\n\t"
+		_ASM_INSN_IF_MIPS(0x4200000c)
+		_ASM_INSN32_IF_MM(0x0000517c));
+}
+
+#endif	/* !TOOLCHAIN_SUPPORTS_VIRT */
+
+/*
+ * Manipulate bits in a register.
+ */
+#define __BUILD_SET_COMMON(name)				\
 static inline unsigned int					\
-set_c0_##name(unsigned int set)					\
+set_##name(unsigned int set)					\
 {								\
 	unsigned int res, new;					\
 								\
-	res = read_c0_##name();					\
+	res = read_##name();					\
 	new = res | set;					\
-	write_c0_##name(new);					\
+	write_##name(new);					\
 								\
 	return res;						\
 }								\
 								\
 static inline unsigned int					\
-clear_c0_##name(unsigned int clear)				\
+clear_##name(unsigned int clear)				\
 {								\
 	unsigned int res, new;					\
 								\
-	res = read_c0_##name();					\
+	res = read_##name();					\
 	new = res & ~clear;					\
-	write_c0_##name(new);					\
+	write_##name(new);					\
 								\
 	return res;						\
 }								\
 								\
 static inline unsigned int					\
-change_c0_##name(unsigned int change, unsigned int val)		\
+change_##name(unsigned int change, unsigned int val)		\
 {								\
 	unsigned int res, new;					\
 								\
-	res = read_c0_##name();					\
+	res = read_##name();					\
 	new = res & ~change;					\
 	new |= (val & change);					\
-	write_c0_##name(new);					\
+	write_##name(new);					\
 								\
 	return res;						\
 }
 
+/*
+ * Manipulate bits in a c0 register.
+ */
+#define __BUILD_SET_C0(name)	__BUILD_SET_COMMON(c0_##name)
+
 __BUILD_SET_C0(status)
 __BUILD_SET_C0(cause)
 __BUILD_SET_C0(config)
@@ -2050,6 +2622,11 @@ __BUILD_SET_C0(intcontrol)
 __BUILD_SET_C0(intctl)
 __BUILD_SET_C0(srsmap)
 __BUILD_SET_C0(pagegrain)
+__BUILD_SET_C0(guestctl0)
+__BUILD_SET_C0(guestctl0ext)
+__BUILD_SET_C0(guestctl1)
+__BUILD_SET_C0(guestctl2)
+__BUILD_SET_C0(guestctl3)
 __BUILD_SET_C0(brcm_config_0)
 __BUILD_SET_C0(brcm_bus_pll)
 __BUILD_SET_C0(brcm_reset)
@@ -2059,12 +2636,21 @@ __BUILD_SET_C0(brcm_config)
 __BUILD_SET_C0(brcm_mode)
 
 /*
+ * Manipulate bits in a guest c0 register.
+ */
+#define __BUILD_SET_GC0(name)	__BUILD_SET_COMMON(gc0_##name)
+
+__BUILD_SET_GC0(status)
+__BUILD_SET_GC0(cause)
+__BUILD_SET_GC0(ebase)
+
+/*
  * Return low 10 bits of ebase.
  * Note that under KVM (MIPSVZ) this returns vcpu id.
  */
 static inline unsigned int get_ebase_cpunum(void)
 {
-	return read_c0_ebase() & 0x3ff;
+	return read_c0_ebase() & MIPS_EBASE_CPUNUM;
 }
 
 #endif /* !__ASSEMBLY__ */
diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h
index 45914b598..fc57e135c 100644
--- a/arch/mips/include/asm/mmu_context.h
+++ b/arch/mips/include/asm/mmu_context.h
@@ -65,37 +65,32 @@ extern unsigned long pgd_current[];
 	back_to_back_c0_hazard();					\
 	TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir)
 #endif /* CONFIG_MIPS_PGD_C0_CONTEXT*/
-#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
 
-#define ASID_INC	0x40
-#define ASID_MASK	0xfc0
-
-#elif defined(CONFIG_CPU_R8000)
-
-#define ASID_INC	0x10
-#define ASID_MASK	0xff0
-
-#else /* FIXME: not correct for R6000 */
+/*
+ *  All unused by hardware upper bits will be considered
+ *  as a software asid extension.
+ */
+static unsigned long asid_version_mask(unsigned int cpu)
+{
+	unsigned long asid_mask = cpu_asid_mask(&cpu_data[cpu]);
 
-#define ASID_INC	0x1
-#define ASID_MASK	0xff
+	return ~(asid_mask | (asid_mask - 1));
+}
 
-#endif
+static unsigned long asid_first_version(unsigned int cpu)
+{
+	return ~asid_version_mask(cpu) + 1;
+}
 
 #define cpu_context(cpu, mm)	((mm)->context.asid[cpu])
-#define cpu_asid(cpu, mm)	(cpu_context((cpu), (mm)) & ASID_MASK)
 #define asid_cache(cpu)		(cpu_data[cpu].asid_cache)
+#define cpu_asid(cpu, mm) \
+	(cpu_context((cpu), (mm)) & cpu_asid_mask(&cpu_data[cpu]))
 
 static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
 {
 }
 
-/*
- *  All unused by hardware upper bits will be considered
- *  as a software asid extension.
- */
-#define ASID_VERSION_MASK  ((unsigned long)~(ASID_MASK|(ASID_MASK-1)))
-#define ASID_FIRST_VERSION ((unsigned long)(~ASID_VERSION_MASK) + 1)
 
 /* Normal, classic MIPS get_new_mmu_context */
 static inline void
@@ -104,7 +99,7 @@ get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
 	extern void kvm_local_flush_tlb_all(void);
 	unsigned long asid = asid_cache(cpu);
 
-	if (! ((asid += ASID_INC) & ASID_MASK) ) {
+	if (!((asid += cpu_asid_inc()) & cpu_asid_mask(&cpu_data[cpu]))) {
 		if (cpu_has_vtag_icache)
 			flush_icache_all();
 #ifdef CONFIG_KVM
@@ -113,7 +108,7 @@ get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
 		local_flush_tlb_all();	/* start new asid cycle */
 #endif
 		if (!asid)		/* fix version if needed */
-			asid = ASID_FIRST_VERSION;
+			asid = asid_first_version(cpu);
 	}
 
 	cpu_context(cpu, mm) = asid_cache(cpu) = asid;
@@ -145,7 +140,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
 
 	htw_stop();
 	/* Check if our ASID is of an older version and thus invalid */
-	if ((cpu_context(cpu, next) ^ asid_cache(cpu)) & ASID_VERSION_MASK)
+	if ((cpu_context(cpu, next) ^ asid_cache(cpu)) & asid_version_mask(cpu))
 		get_new_mmu_context(next, cpu);
 	write_c0_entryhi(cpu_asid(cpu, next));
 	TLBMISS_HANDLER_SETUP_PGD(next->pgd);
diff --git a/arch/mips/include/asm/msa.h b/arch/mips/include/asm/msa.h
index 6e4effa6f..ddf496cb2 100644
--- a/arch/mips/include/asm/msa.h
+++ b/arch/mips/include/asm/msa.h
@@ -192,13 +192,6 @@ static inline void write_msa_##name(unsigned int val)		\
  * allow compilation with toolchains that do not support MSA. Once all
  * toolchains in use support MSA these can be removed.
  */
-#ifdef CONFIG_CPU_MICROMIPS
-#define CFC_MSA_INSN	0x587e0056
-#define CTC_MSA_INSN	0x583e0816
-#else
-#define CFC_MSA_INSN	0x787e0059
-#define CTC_MSA_INSN	0x783e0819
-#endif
 
 #define __BUILD_MSA_CTL_REG(name, cs)				\
 static inline unsigned int read_msa_##name(void)		\
@@ -207,11 +200,12 @@ static inline unsigned int read_msa_##name(void)		\
 	__asm__ __volatile__(					\
 	"	.set	push\n"					\
 	"	.set	noat\n"					\
-	"	.insn\n"					\
-	"	.word	%1 | (" #cs " << 11)\n"			\
+	"	# cfcmsa $1, $%1\n"				\
+	_ASM_INSN_IF_MIPS(0x787e0059 | %1 << 11)		\
+	_ASM_INSN32_IF_MM(0x587e0056 | %1 << 11)		\
 	"	move	%0, $1\n"				\
 	"	.set	pop\n"					\
-	: "=r"(reg) : "i"(CFC_MSA_INSN));			\
+	: "=r"(reg) : "i"(cs));					\
 	return reg;						\
 }								\
 								\
@@ -221,10 +215,11 @@ static inline void write_msa_##name(unsigned int val)		\
 	"	.set	push\n"					\
 	"	.set	noat\n"					\
 	"	move	$1, %0\n"				\
-	"	.insn\n"					\
-	"	.word	%1 | (" #cs " << 6)\n"			\
+	"	# ctcmsa $%1, $1\n"				\
+	_ASM_INSN_IF_MIPS(0x783e0819 | %1 << 6)			\
+	_ASM_INSN32_IF_MM(0x583e0816 | %1 << 6)			\
 	"	.set	pop\n"					\
-	: : "r"(val), "i"(CTC_MSA_INSN));			\
+	: : "r"(val), "i"(cs));					\
 }
 
 #endif /* !TOOLCHAIN_SUPPORTS_MSA */
diff --git a/arch/mips/include/asm/octeon/cvmx-bootinfo.h b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
index d92cf59bd..627877655 100644
--- a/arch/mips/include/asm/octeon/cvmx-bootinfo.h
+++ b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
@@ -32,6 +32,8 @@
 #ifndef __CVMX_BOOTINFO_H__
 #define __CVMX_BOOTINFO_H__
 
+#include "cvmx-coremask.h"
+
 /*
  * Current major and minor versions of the CVMX bootinfo block that is
  * passed from the bootloader to the application.  This is versioned
@@ -39,7 +41,7 @@
  * versions.
  */
 #define CVMX_BOOTINFO_MAJ_VER 1
-#define CVMX_BOOTINFO_MIN_VER 3
+#define CVMX_BOOTINFO_MIN_VER 4
 
 #if (CVMX_BOOTINFO_MAJ_VER == 1)
 #define CVMX_BOOTINFO_OCTEON_SERIAL_LEN 20
@@ -124,6 +126,13 @@ struct cvmx_bootinfo {
 	 */
 	uint64_t fdt_addr;
 #endif
+#if (CVMX_BOOTINFO_MIN_VER >= 4)
+	/*
+	 * Coremask used for processors with more than 32 cores
+	 * or with OCI.  This replaces core_mask.
+	 */
+	struct cvmx_coremask ext_core_mask;
+#endif
 #else				/* __BIG_ENDIAN */
 	/*
 	 * Little-Endian: When the CPU mode is switched to
@@ -177,6 +186,9 @@ struct cvmx_bootinfo {
 #if (CVMX_BOOTINFO_MIN_VER >= 3)
 	uint64_t fdt_addr;
 #endif
+#if (CVMX_BOOTINFO_MIN_VER >= 4)
+	struct cvmx_coremask ext_core_mask;
+#endif
 #endif
 };
 
@@ -388,7 +400,7 @@ static inline const char *cvmx_board_type_to_string(enum
 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901)
 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)
 	}
-	return "Unsupported Board";
+	return NULL;
 }
 
 #define ENUM_CHIP_TYPE_CASE(x) \
diff --git a/arch/mips/include/asm/octeon/cvmx-ciu3-defs.h b/arch/mips/include/asm/octeon/cvmx-ciu3-defs.h
new file mode 100644
index 000000000..547f778f5
--- /dev/null
+++ b/arch/mips/include/asm/octeon/cvmx-ciu3-defs.h
@@ -0,0 +1,353 @@
+/*
+ * Copyright (c) 2003-2016 Cavium Inc.
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, Version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
+ * NONINFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ */
+
+#ifndef __CVMX_CIU3_DEFS_H__
+#define __CVMX_CIU3_DEFS_H__
+
+#define CVMX_CIU3_FUSE CVMX_ADD_IO_SEG(0x00010100000001A0ull)
+#define CVMX_CIU3_BIST CVMX_ADD_IO_SEG(0x00010100000001C0ull)
+#define CVMX_CIU3_CONST CVMX_ADD_IO_SEG(0x0001010000000220ull)
+#define CVMX_CIU3_CTL CVMX_ADD_IO_SEG(0x00010100000000E0ull)
+#define CVMX_CIU3_DESTX_IO_INT(offset) (CVMX_ADD_IO_SEG(0x0001010000210000ull) + ((offset) & 7) * 8)
+#define CVMX_CIU3_DESTX_PP_INT(offset) (CVMX_ADD_IO_SEG(0x0001010000200000ull) + ((offset) & 255) * 8)
+#define CVMX_CIU3_GSTOP CVMX_ADD_IO_SEG(0x0001010000000140ull)
+#define CVMX_CIU3_IDTX_CTL(offset) (CVMX_ADD_IO_SEG(0x0001010000110000ull) + ((offset) & 255) * 8)
+#define CVMX_CIU3_IDTX_IO(offset) (CVMX_ADD_IO_SEG(0x0001010000130000ull) + ((offset) & 255) * 8)
+#define CVMX_CIU3_IDTX_PPX(offset, block_id) (CVMX_ADD_IO_SEG(0x0001010000120000ull) + ((block_id) & 255) * 0x20ull)
+#define CVMX_CIU3_INTR_RAM_ECC_CTL CVMX_ADD_IO_SEG(0x0001010000000260ull)
+#define CVMX_CIU3_INTR_RAM_ECC_ST CVMX_ADD_IO_SEG(0x0001010000000280ull)
+#define CVMX_CIU3_INTR_READY CVMX_ADD_IO_SEG(0x00010100000002A0ull)
+#define CVMX_CIU3_INTR_SLOWDOWN CVMX_ADD_IO_SEG(0x0001010000000240ull)
+#define CVMX_CIU3_ISCX_CTL(offset) (CVMX_ADD_IO_SEG(0x0001010080000000ull) + ((offset) & 1048575) * 8)
+#define CVMX_CIU3_ISCX_W1C(offset) (CVMX_ADD_IO_SEG(0x0001010090000000ull) + ((offset) & 1048575) * 8)
+#define CVMX_CIU3_ISCX_W1S(offset) (CVMX_ADD_IO_SEG(0x00010100A0000000ull) + ((offset) & 1048575) * 8)
+#define CVMX_CIU3_NMI CVMX_ADD_IO_SEG(0x0001010000000160ull)
+#define CVMX_CIU3_SISCX(offset) (CVMX_ADD_IO_SEG(0x0001010000220000ull) + ((offset) & 255) * 8)
+#define CVMX_CIU3_TIMX(offset) (CVMX_ADD_IO_SEG(0x0001010000010000ull) + ((offset) & 15) * 8)
+
+union cvmx_ciu3_bist {
+	uint64_t u64;
+	struct cvmx_ciu3_bist_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_9_63                : 55;
+	uint64_t bist                         : 9;
+#else
+	uint64_t bist                         : 9;
+	uint64_t reserved_9_63                : 55;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_const {
+	uint64_t u64;
+	struct cvmx_ciu3_const_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t dests_io                     : 16;
+	uint64_t pintsn                       : 16;
+	uint64_t dests_pp                     : 16;
+	uint64_t idt                          : 16;
+#else
+	uint64_t idt                          : 16;
+	uint64_t dests_pp                     : 16;
+	uint64_t pintsn                       : 16;
+	uint64_t dests_io                     : 16;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_ctl {
+	uint64_t u64;
+	struct cvmx_ciu3_ctl_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_5_63                : 59;
+	uint64_t mcd_sel                      : 2;
+	uint64_t iscmem_le                    : 1;
+	uint64_t seq_dis                      : 1;
+	uint64_t cclk_dis                     : 1;
+#else
+	uint64_t cclk_dis                     : 1;
+	uint64_t seq_dis                      : 1;
+	uint64_t iscmem_le                    : 1;
+	uint64_t mcd_sel                      : 2;
+	uint64_t reserved_5_63                : 59;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_destx_io_int {
+	uint64_t u64;
+	struct cvmx_ciu3_destx_io_int_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_52_63               : 12;
+	uint64_t intsn                        : 20;
+	uint64_t reserved_10_31               : 22;
+	uint64_t intidt                       : 8;
+	uint64_t newint                       : 1;
+	uint64_t intr                         : 1;
+#else
+	uint64_t intr                         : 1;
+	uint64_t newint                       : 1;
+	uint64_t intidt                       : 8;
+	uint64_t reserved_10_31               : 22;
+	uint64_t intsn                        : 20;
+	uint64_t reserved_52_63               : 12;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_destx_pp_int {
+	uint64_t u64;
+	struct cvmx_ciu3_destx_pp_int_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_52_63               : 12;
+	uint64_t intsn                        : 20;
+	uint64_t reserved_10_31               : 22;
+	uint64_t intidt                       : 8;
+	uint64_t newint                       : 1;
+	uint64_t intr                         : 1;
+#else
+	uint64_t intr                         : 1;
+	uint64_t newint                       : 1;
+	uint64_t intidt                       : 8;
+	uint64_t reserved_10_31               : 22;
+	uint64_t intsn                        : 20;
+	uint64_t reserved_52_63               : 12;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_gstop {
+	uint64_t u64;
+	struct cvmx_ciu3_gstop_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_1_63                : 63;
+	uint64_t gstop                        : 1;
+#else
+	uint64_t gstop                        : 1;
+	uint64_t reserved_1_63                : 63;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_idtx_ctl {
+	uint64_t u64;
+	struct cvmx_ciu3_idtx_ctl_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_52_63               : 12;
+	uint64_t intsn                        : 20;
+	uint64_t reserved_4_31                : 28;
+	uint64_t intr                         : 1;
+	uint64_t newint                       : 1;
+	uint64_t ip_num                       : 2;
+#else
+	uint64_t ip_num                       : 2;
+	uint64_t newint                       : 1;
+	uint64_t intr                         : 1;
+	uint64_t reserved_4_31                : 28;
+	uint64_t intsn                        : 20;
+	uint64_t reserved_52_63               : 12;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_idtx_io {
+	uint64_t u64;
+	struct cvmx_ciu3_idtx_io_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_5_63                : 59;
+	uint64_t io                           : 5;
+#else
+	uint64_t io                           : 5;
+	uint64_t reserved_5_63                : 59;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_idtx_ppx {
+	uint64_t u64;
+	struct cvmx_ciu3_idtx_ppx_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_48_63               : 16;
+	uint64_t pp                           : 48;
+#else
+	uint64_t pp                           : 48;
+	uint64_t reserved_48_63               : 16;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_intr_ram_ecc_ctl {
+	uint64_t u64;
+	struct cvmx_ciu3_intr_ram_ecc_ctl_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_3_63                : 61;
+	uint64_t flip_synd                    : 2;
+	uint64_t ecc_ena                      : 1;
+#else
+	uint64_t ecc_ena                      : 1;
+	uint64_t flip_synd                    : 2;
+	uint64_t reserved_3_63                : 61;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_intr_ram_ecc_st {
+	uint64_t u64;
+	struct cvmx_ciu3_intr_ram_ecc_st_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_52_63               : 12;
+	uint64_t addr                         : 20;
+	uint64_t reserved_6_31                : 26;
+	uint64_t sisc_dbe                     : 1;
+	uint64_t sisc_sbe                     : 1;
+	uint64_t idt_dbe                      : 1;
+	uint64_t idt_sbe                      : 1;
+	uint64_t isc_dbe                      : 1;
+	uint64_t isc_sbe                      : 1;
+#else
+	uint64_t isc_sbe                      : 1;
+	uint64_t isc_dbe                      : 1;
+	uint64_t idt_sbe                      : 1;
+	uint64_t idt_dbe                      : 1;
+	uint64_t sisc_sbe                     : 1;
+	uint64_t sisc_dbe                     : 1;
+	uint64_t reserved_6_31                : 26;
+	uint64_t addr                         : 20;
+	uint64_t reserved_52_63               : 12;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_intr_ready {
+	uint64_t u64;
+	struct cvmx_ciu3_intr_ready_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_46_63               : 18;
+	uint64_t index                        : 14;
+	uint64_t reserved_1_31                : 31;
+	uint64_t ready                        : 1;
+#else
+	uint64_t ready                        : 1;
+	uint64_t reserved_1_31                : 31;
+	uint64_t index                        : 14;
+	uint64_t reserved_46_63               : 18;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_intr_slowdown {
+	uint64_t u64;
+	struct cvmx_ciu3_intr_slowdown_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_3_63                : 61;
+	uint64_t ctl                          : 3;
+#else
+	uint64_t ctl                          : 3;
+	uint64_t reserved_3_63                : 61;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_iscx_ctl {
+	uint64_t u64;
+	struct cvmx_ciu3_iscx_ctl_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_24_63               : 40;
+	uint64_t idt                          : 8;
+	uint64_t imp                          : 1;
+	uint64_t reserved_2_14                : 13;
+	uint64_t en                           : 1;
+	uint64_t raw                          : 1;
+#else
+	uint64_t raw                          : 1;
+	uint64_t en                           : 1;
+	uint64_t reserved_2_14                : 13;
+	uint64_t imp                          : 1;
+	uint64_t idt                          : 8;
+	uint64_t reserved_24_63               : 40;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_iscx_w1c {
+	uint64_t u64;
+	struct cvmx_ciu3_iscx_w1c_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_2_63                : 62;
+	uint64_t en                           : 1;
+	uint64_t raw                          : 1;
+#else
+	uint64_t raw                          : 1;
+	uint64_t en                           : 1;
+	uint64_t reserved_2_63                : 62;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_iscx_w1s {
+	uint64_t u64;
+	struct cvmx_ciu3_iscx_w1s_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_2_63                : 62;
+	uint64_t en                           : 1;
+	uint64_t raw                          : 1;
+#else
+	uint64_t raw                          : 1;
+	uint64_t en                           : 1;
+	uint64_t reserved_2_63                : 62;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_nmi {
+	uint64_t u64;
+	struct cvmx_ciu3_nmi_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_48_63               : 16;
+	uint64_t nmi                          : 48;
+#else
+	uint64_t nmi                          : 48;
+	uint64_t reserved_48_63               : 16;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_siscx {
+	uint64_t u64;
+	struct cvmx_ciu3_siscx_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t en                           : 64;
+#else
+	uint64_t en                           : 64;
+#endif
+	} s;
+};
+
+union cvmx_ciu3_timx {
+	uint64_t u64;
+	struct cvmx_ciu3_timx_s {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint64_t reserved_37_63               : 27;
+	uint64_t one_shot                     : 1;
+	uint64_t len                          : 36;
+#else
+	uint64_t len                          : 36;
+	uint64_t one_shot                     : 1;
+	uint64_t reserved_37_63               : 27;
+#endif
+	} s;
+};
+
+#endif
diff --git a/arch/mips/include/asm/octeon/cvmx-cmd-queue.h b/arch/mips/include/asm/octeon/cvmx-cmd-queue.h
index 8d05d9069..a07a36f7d 100644
--- a/arch/mips/include/asm/octeon/cvmx-cmd-queue.h
+++ b/arch/mips/include/asm/octeon/cvmx-cmd-queue.h
@@ -146,7 +146,7 @@ typedef struct {
  * This structure contains the global state of all command queues.
  * It is stored in a bootmem named block and shared by all
  * applications running on Octeon. Tickets are stored in a differnet
- * cahce line that queue information to reduce the contention on the
+ * cache line that queue information to reduce the contention on the
  * ll/sc used to get a ticket. If this is not the case, the update
  * of queue state causes the ll/sc to fail quite often.
  */
diff --git a/arch/mips/include/asm/octeon/cvmx-coremask.h b/arch/mips/include/asm/octeon/cvmx-coremask.h
new file mode 100644
index 000000000..097dc096d
--- /dev/null
+++ b/arch/mips/include/asm/octeon/cvmx-coremask.h
@@ -0,0 +1,89 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2016  Cavium Inc. (support@cavium.com).
+ *
+ */
+
+/*
+ * Module to support operations on bitmap of cores. Coremask can be used to
+ * select a specific core, a group of cores, or all available cores, for
+ * initialization and differentiation of roles within a single shared binary
+ * executable image.
+ *
+ * The core numbers used in this file are the same value as what is found in
+ * the COP0_EBASE register and the rdhwr 0 instruction.
+ *
+ * For the CN78XX and other multi-node environments the core numbers are not
+ * contiguous.  The core numbers for the CN78XX are as follows:
+ *
+ * Node 0:	Cores 0 - 47
+ * Node 1:	Cores 128 - 175
+ * Node 2:	Cores 256 - 303
+ * Node 3:	Cores 384 - 431
+ *
+ */
+
+#ifndef __CVMX_COREMASK_H__
+#define __CVMX_COREMASK_H__
+
+#define CVMX_MIPS_MAX_CORES 1024
+/* bits per holder */
+#define CVMX_COREMASK_ELTSZ 64
+
+/* cvmx_coremask_t's size in u64 */
+#define CVMX_COREMASK_BMPSZ (CVMX_MIPS_MAX_CORES / CVMX_COREMASK_ELTSZ)
+
+
+/* cvmx_coremask_t */
+struct cvmx_coremask {
+	u64 coremask_bitmap[CVMX_COREMASK_BMPSZ];
+};
+
+/*
+ * Is ``core'' set in the coremask?
+ */
+static inline bool cvmx_coremask_is_core_set(const struct cvmx_coremask *pcm,
+					    int core)
+{
+	int n, i;
+
+	n = core % CVMX_COREMASK_ELTSZ;
+	i = core / CVMX_COREMASK_ELTSZ;
+
+	return (pcm->coremask_bitmap[i] & ((u64)1 << n)) != 0;
+}
+
+/*
+ * Make a copy of a coremask
+ */
+static inline void cvmx_coremask_copy(struct cvmx_coremask *dest,
+				      const struct cvmx_coremask *src)
+{
+	memcpy(dest, src, sizeof(*dest));
+}
+
+/*
+ * Set the lower 64-bit of the coremask.
+ */
+static inline void cvmx_coremask_set64(struct cvmx_coremask *pcm,
+				       uint64_t coremask_64)
+{
+	pcm->coremask_bitmap[0] = coremask_64;
+}
+
+/*
+ * Clear ``core'' from the coremask.
+ */
+static inline void cvmx_coremask_clear_core(struct cvmx_coremask *pcm, int core)
+{
+	int n, i;
+
+	n = core % CVMX_COREMASK_ELTSZ;
+	i = core / CVMX_COREMASK_ELTSZ;
+	pcm->coremask_bitmap[i] &= ~(1ull << n);
+}
+
+#endif /* __CVMX_COREMASK_H__ */
diff --git a/arch/mips/include/asm/octeon/cvmx-fpa-defs.h b/arch/mips/include/asm/octeon/cvmx-fpa-defs.h
index 1d79e3c70..887ff8e1f 100644
--- a/arch/mips/include/asm/octeon/cvmx-fpa-defs.h
+++ b/arch/mips/include/asm/octeon/cvmx-fpa-defs.h
@@ -66,6 +66,7 @@
 #define CVMX_FPA_WART_CTL (CVMX_ADD_IO_SEG(0x00011800280000D8ull))
 #define CVMX_FPA_WART_STATUS (CVMX_ADD_IO_SEG(0x00011800280000E0ull))
 #define CVMX_FPA_WQE_THRESHOLD (CVMX_ADD_IO_SEG(0x0001180028000468ull))
+#define CVMX_FPA_CLK_COUNT (CVMX_ADD_IO_SEG(0x00012800000000F0ull))
 
 union cvmx_fpa_addr_range_error {
 	uint64_t u64;
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-board.h b/arch/mips/include/asm/octeon/cvmx-helper-board.h
index 893320375..cda93aee7 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-board.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-board.h
@@ -94,7 +94,7 @@ extern int cvmx_helper_board_get_mii_address(int ipd_port);
  * @phy_addr:  The address of the PHY to program
  * @link_flags:
  *		    Flags to control autonegotiation.  Bit 0 is autonegotiation
- *		    enable/disable to maintain backware compatibility.
+ *		    enable/disable to maintain backward compatibility.
  * @link_info: Link speed to program. If the speed is zero and autonegotiation
  *		    is enabled, all possible negotiation speeds are advertised.
  *
diff --git a/arch/mips/include/asm/octeon/cvmx-ipd.h b/arch/mips/include/asm/octeon/cvmx-ipd.h
index e13490ebb..cbdc14b77 100644
--- a/arch/mips/include/asm/octeon/cvmx-ipd.h
+++ b/arch/mips/include/asm/octeon/cvmx-ipd.h
@@ -39,7 +39,7 @@
 
 enum cvmx_ipd_mode {
    CVMX_IPD_OPC_MODE_STT = 0LL,	  /* All blocks DRAM, not cached in L2 */
-   CVMX_IPD_OPC_MODE_STF = 1LL,	  /* All bloccks into  L2 */
+   CVMX_IPD_OPC_MODE_STF = 1LL,	  /* All blocks into  L2 */
    CVMX_IPD_OPC_MODE_STF1_STT = 2LL,   /* 1st block L2, rest DRAM */
    CVMX_IPD_OPC_MODE_STF2_STT = 3LL    /* 1st, 2nd blocks L2, rest DRAM */
 };
diff --git a/arch/mips/include/asm/octeon/cvmx-mio-defs.h b/arch/mips/include/asm/octeon/cvmx-mio-defs.h
index bb0ae338a..5196c04ee 100644
--- a/arch/mips/include/asm/octeon/cvmx-mio-defs.h
+++ b/arch/mips/include/asm/octeon/cvmx-mio-defs.h
@@ -1481,7 +1481,9 @@ union cvmx_mio_fus_dat2 {
 	uint64_t u64;
 	struct cvmx_mio_fus_dat2_s {
 #ifdef __BIG_ENDIAN_BITFIELD
-		uint64_t reserved_48_63:16;
+		uint64_t reserved_59_63:5;
+		uint64_t run_platform:3;
+		uint64_t gbl_pwr_throttle:8;
 		uint64_t fus118:1;
 		uint64_t rom_info:10;
 		uint64_t power_limit:2;
@@ -1513,7 +1515,9 @@ union cvmx_mio_fus_dat2 {
 		uint64_t power_limit:2;
 		uint64_t rom_info:10;
 		uint64_t fus118:1;
-		uint64_t reserved_48_63:16;
+		uint64_t gbl_pwr_throttle:8;
+		uint64_t run_platform:3;
+		uint64_t reserved_59_63:5;
 #endif
 	} s;
 	struct cvmx_mio_fus_dat2_cn30xx {
@@ -1837,50 +1841,192 @@ union cvmx_mio_fus_dat2 {
 #endif
 	} cn68xx;
 	struct cvmx_mio_fus_dat2_cn68xx cn68xxp1;
+	struct cvmx_mio_fus_dat2_cn70xx {
+#ifdef __BIG_ENDIAN_BITFIELD
+		uint64_t reserved_48_63:16;
+		uint64_t fus118:1;
+		uint64_t rom_info:10;
+		uint64_t power_limit:2;
+		uint64_t dorm_crypto:1;
+		uint64_t fus318:1;
+		uint64_t raid_en:1;
+		uint64_t reserved_31_29:3;
+		uint64_t nodfa_cp2:1;
+		uint64_t nomul:1;
+		uint64_t nocrypto:1;
+		uint64_t reserved_25_24:2;
+		uint64_t chip_id:8;
+		uint64_t reserved_15_0:16;
+#else
+		uint64_t reserved_15_0:16;
+		uint64_t chip_id:8;
+		uint64_t reserved_25_24:2;
+		uint64_t nocrypto:1;
+		uint64_t nomul:1;
+		uint64_t nodfa_cp2:1;
+		uint64_t reserved_31_29:3;
+		uint64_t raid_en:1;
+		uint64_t fus318:1;
+		uint64_t dorm_crypto:1;
+		uint64_t power_limit:2;
+		uint64_t rom_info:10;
+		uint64_t fus118:1;
+		uint64_t reserved_48_63:16;
+#endif
+	} cn70xx;
+	struct cvmx_mio_fus_dat2_cn70xx cn70xxp1;
+	struct cvmx_mio_fus_dat2_cn73xx {
+#ifdef __BIG_ENDIAN_BITFIELD
+		uint64_t reserved_59_63:5;
+		uint64_t run_platform:3;
+		uint64_t gbl_pwr_throttle:8;
+		uint64_t fus118:1;
+		uint64_t rom_info:10;
+		uint64_t power_limit:2;
+		uint64_t dorm_crypto:1;
+		uint64_t fus318:1;
+		uint64_t raid_en:1;
+		uint64_t reserved_31_29:3;
+		uint64_t nodfa_cp2:1;
+		uint64_t nomul:1;
+		uint64_t nocrypto:1;
+		uint64_t reserved_25_24:2;
+		uint64_t chip_id:8;
+		uint64_t reserved_15_0:16;
+#else
+		uint64_t reserved_15_0:16;
+		uint64_t chip_id:8;
+		uint64_t reserved_25_24:2;
+		uint64_t nocrypto:1;
+		uint64_t nomul:1;
+		uint64_t nodfa_cp2:1;
+		uint64_t reserved_31_29:3;
+		uint64_t raid_en:1;
+		uint64_t fus318:1;
+		uint64_t dorm_crypto:1;
+		uint64_t power_limit:2;
+		uint64_t rom_info:10;
+		uint64_t fus118:1;
+		uint64_t gbl_pwr_throttle:8;
+		uint64_t run_platform:3;
+		uint64_t reserved_59_63:5;
+#endif
+	} cn73xx;
+	struct cvmx_mio_fus_dat2_cn78xx {
+#ifdef __BIG_ENDIAN_BITFIELD
+		uint64_t reserved_59_63:5;
+		uint64_t run_platform:3;
+		uint64_t reserved_48_55:8;
+		uint64_t fus118:1;
+		uint64_t rom_info:10;
+		uint64_t power_limit:2;
+		uint64_t dorm_crypto:1;
+		uint64_t fus318:1;
+		uint64_t raid_en:1;
+		uint64_t reserved_31_29:3;
+		uint64_t nodfa_cp2:1;
+		uint64_t nomul:1;
+		uint64_t nocrypto:1;
+		uint64_t reserved_25_24:2;
+		uint64_t chip_id:8;
+		uint64_t reserved_0_15:16;
+#else
+		uint64_t reserved_0_15:16;
+		uint64_t chip_id:8;
+		uint64_t reserved_25_24:2;
+		uint64_t nocrypto:1;
+		uint64_t nomul:1;
+		uint64_t nodfa_cp2:1;
+		uint64_t reserved_31_29:3;
+		uint64_t raid_en:1;
+		uint64_t fus318:1;
+		uint64_t dorm_crypto:1;
+		uint64_t power_limit:2;
+		uint64_t rom_info:10;
+		uint64_t fus118:1;
+		uint64_t reserved_48_55:8;
+		uint64_t run_platform:3;
+		uint64_t reserved_59_63:5;
+#endif
+	} cn78xx;
+	struct cvmx_mio_fus_dat2_cn78xxp2 {
+#ifdef __BIG_ENDIAN_BITFIELD
+		uint64_t reserved_59_63:5;
+		uint64_t run_platform:3;
+		uint64_t gbl_pwr_throttle:8;
+		uint64_t fus118:1;
+		uint64_t rom_info:10;
+		uint64_t power_limit:2;
+		uint64_t dorm_crypto:1;
+		uint64_t fus318:1;
+		uint64_t raid_en:1;
+		uint64_t reserved_31_29:3;
+		uint64_t nodfa_cp2:1;
+		uint64_t nomul:1;
+		uint64_t nocrypto:1;
+		uint64_t reserved_25_24:2;
+		uint64_t chip_id:8;
+		uint64_t reserved_0_15:16;
+#else
+		uint64_t reserved_0_15:16;
+		uint64_t chip_id:8;
+		uint64_t reserved_25_24:2;
+		uint64_t nocrypto:1;
+		uint64_t nomul:1;
+		uint64_t nodfa_cp2:1;
+		uint64_t reserved_31_29:3;
+		uint64_t raid_en:1;
+		uint64_t fus318:1;
+		uint64_t dorm_crypto:1;
+		uint64_t power_limit:2;
+		uint64_t rom_info:10;
+		uint64_t fus118:1;
+		uint64_t gbl_pwr_throttle:8;
+		uint64_t run_platform:3;
+		uint64_t reserved_59_63:5;
+#endif
+	} cn78xxp2;
 	struct cvmx_mio_fus_dat2_cn61xx cnf71xx;
+	struct cvmx_mio_fus_dat2_cn73xx cnf75xx;
 };
 
 union cvmx_mio_fus_dat3 {
 	uint64_t u64;
 	struct cvmx_mio_fus_dat3_s {
 #ifdef __BIG_ENDIAN_BITFIELD
-		uint64_t reserved_58_63:6;
+		uint64_t ema0:6;
 		uint64_t pll_ctl:10;
 		uint64_t dfa_info_dte:3;
 		uint64_t dfa_info_clm:4;
-		uint64_t reserved_40_40:1;
-		uint64_t ema:2;
+		uint64_t pll_alt_matrix:1;
+		uint64_t reserved_38_39:2;
 		uint64_t efus_lck_rsv:1;
 		uint64_t efus_lck_man:1;
 		uint64_t pll_half_dis:1;
 		uint64_t l2c_crip:3;
-		uint64_t pll_div4:1;
-		uint64_t reserved_29_30:2;
-		uint64_t bar2_en:1;
+		uint64_t reserved_28_31:4;
 		uint64_t efus_lck:1;
 		uint64_t efus_ign:1;
 		uint64_t nozip:1;
 		uint64_t nodfa_dte:1;
-		uint64_t icache:24;
+		uint64_t reserved_0_23:24;
 #else
-		uint64_t icache:24;
+		uint64_t reserved_0_23:24;
 		uint64_t nodfa_dte:1;
 		uint64_t nozip:1;
 		uint64_t efus_ign:1;
 		uint64_t efus_lck:1;
-		uint64_t bar2_en:1;
-		uint64_t reserved_29_30:2;
-		uint64_t pll_div4:1;
+		uint64_t reserved_28_31:4;
 		uint64_t l2c_crip:3;
 		uint64_t pll_half_dis:1;
 		uint64_t efus_lck_man:1;
 		uint64_t efus_lck_rsv:1;
-		uint64_t ema:2;
-		uint64_t reserved_40_40:1;
+		uint64_t reserved_38_39:2;
+		uint64_t pll_alt_matrix:1;
 		uint64_t dfa_info_clm:4;
 		uint64_t dfa_info_dte:3;
 		uint64_t pll_ctl:10;
-		uint64_t reserved_58_63:6;
+		uint64_t ema0:6;
 #endif
 	} s;
 	struct cvmx_mio_fus_dat3_cn30xx {
@@ -2022,7 +2168,239 @@ union cvmx_mio_fus_dat3 {
 	struct cvmx_mio_fus_dat3_cn61xx cn66xx;
 	struct cvmx_mio_fus_dat3_cn61xx cn68xx;
 	struct cvmx_mio_fus_dat3_cn61xx cn68xxp1;
+	struct cvmx_mio_fus_dat3_cn70xx {
+#ifdef __BIG_ENDIAN_BITFIELD
+		uint64_t ema0:6;
+		uint64_t pll_ctl:10;
+		uint64_t dfa_info_dte:3;
+		uint64_t dfa_info_clm:4;
+		uint64_t pll_alt_matrix:1;
+		uint64_t pll_bwadj_denom:2;
+		uint64_t efus_lck_rsv:1;
+		uint64_t efus_lck_man:1;
+		uint64_t pll_half_dis:1;
+		uint64_t l2c_crip:3;
+		uint64_t use_int_refclk:1;
+		uint64_t zip_info:2;
+		uint64_t bar2_sz_conf:1;
+		uint64_t efus_lck:1;
+		uint64_t efus_ign:1;
+		uint64_t nozip:1;
+		uint64_t nodfa_dte:1;
+		uint64_t ema1:6;
+		uint64_t reserved_0_17:18;
+#else
+		uint64_t reserved_0_17:18;
+		uint64_t ema1:6;
+		uint64_t nodfa_dte:1;
+		uint64_t nozip:1;
+		uint64_t efus_ign:1;
+		uint64_t efus_lck:1;
+		uint64_t bar2_sz_conf:1;
+		uint64_t zip_info:2;
+		uint64_t use_int_refclk:1;
+		uint64_t l2c_crip:3;
+		uint64_t pll_half_dis:1;
+		uint64_t efus_lck_man:1;
+		uint64_t efus_lck_rsv:1;
+		uint64_t pll_bwadj_denom:2;
+		uint64_t pll_alt_matrix:1;
+		uint64_t dfa_info_clm:4;
+		uint64_t dfa_info_dte:3;
+		uint64_t pll_ctl:10;
+		uint64_t ema0:6;
+#endif
+	} cn70xx;
+	struct cvmx_mio_fus_dat3_cn70xxp1 {
+#ifdef __BIG_ENDIAN_BITFIELD
+		uint64_t ema0:6;
+		uint64_t pll_ctl:10;
+		uint64_t dfa_info_dte:3;
+		uint64_t dfa_info_clm:4;
+		uint64_t reserved_38_40:3;
+		uint64_t efus_lck_rsv:1;
+		uint64_t efus_lck_man:1;
+		uint64_t pll_half_dis:1;
+		uint64_t l2c_crip:3;
+		uint64_t reserved_31_31:1;
+		uint64_t zip_info:2;
+		uint64_t bar2_sz_conf:1;
+		uint64_t efus_lck:1;
+		uint64_t efus_ign:1;
+		uint64_t nozip:1;
+		uint64_t nodfa_dte:1;
+		uint64_t ema1:6;
+		uint64_t reserved_0_17:18;
+#else
+		uint64_t reserved_0_17:18;
+		uint64_t ema1:6;
+		uint64_t nodfa_dte:1;
+		uint64_t nozip:1;
+		uint64_t efus_ign:1;
+		uint64_t efus_lck:1;
+		uint64_t bar2_sz_conf:1;
+		uint64_t zip_info:2;
+		uint64_t reserved_31_31:1;
+		uint64_t l2c_crip:3;
+		uint64_t pll_half_dis:1;
+		uint64_t efus_lck_man:1;
+		uint64_t efus_lck_rsv:1;
+		uint64_t reserved_38_40:3;
+		uint64_t dfa_info_clm:4;
+		uint64_t dfa_info_dte:3;
+		uint64_t pll_ctl:10;
+		uint64_t ema0:6;
+#endif
+	} cn70xxp1;
+	struct cvmx_mio_fus_dat3_cn73xx {
+#ifdef __BIG_ENDIAN_BITFIELD
+		uint64_t ema0:6;
+		uint64_t pll_ctl:10;
+		uint64_t dfa_info_dte:3;
+		uint64_t dfa_info_clm:4;
+		uint64_t pll_alt_matrix:1;
+		uint64_t pll_bwadj_denom:2;
+		uint64_t efus_lck_rsv:1;
+		uint64_t efus_lck_man:1;
+		uint64_t pll_half_dis:1;
+		uint64_t l2c_crip:3;
+		uint64_t use_int_refclk:1;
+		uint64_t zip_info:2;
+		uint64_t bar2_sz_conf:1;
+		uint64_t efus_lck:1;
+		uint64_t efus_ign:1;
+		uint64_t nozip:1;
+		uint64_t nodfa_dte:1;
+		uint64_t ema1:6;
+		uint64_t nohna_dte:1;
+		uint64_t hna_info_dte:3;
+		uint64_t hna_info_clm:4;
+		uint64_t reserved_9_9:1;
+		uint64_t core_pll_mul:5;
+		uint64_t pnr_pll_mul:4;
+#else
+		uint64_t pnr_pll_mul:4;
+		uint64_t core_pll_mul:5;
+		uint64_t reserved_9_9:1;
+		uint64_t hna_info_clm:4;
+		uint64_t hna_info_dte:3;
+		uint64_t nohna_dte:1;
+		uint64_t ema1:6;
+		uint64_t nodfa_dte:1;
+		uint64_t nozip:1;
+		uint64_t efus_ign:1;
+		uint64_t efus_lck:1;
+		uint64_t bar2_sz_conf:1;
+		uint64_t zip_info:2;
+		uint64_t use_int_refclk:1;
+		uint64_t l2c_crip:3;
+		uint64_t pll_half_dis:1;
+		uint64_t efus_lck_man:1;
+		uint64_t efus_lck_rsv:1;
+		uint64_t pll_bwadj_denom:2;
+		uint64_t pll_alt_matrix:1;
+		uint64_t dfa_info_clm:4;
+		uint64_t dfa_info_dte:3;
+		uint64_t pll_ctl:10;
+		uint64_t ema0:6;
+#endif
+	} cn73xx;
+	struct cvmx_mio_fus_dat3_cn78xx {
+#ifdef __BIG_ENDIAN_BITFIELD
+		uint64_t ema0:6;
+		uint64_t pll_ctl:10;
+		uint64_t dfa_info_dte:3;
+		uint64_t dfa_info_clm:4;
+		uint64_t reserved_38_40:3;
+		uint64_t efus_lck_rsv:1;
+		uint64_t efus_lck_man:1;
+		uint64_t pll_half_dis:1;
+		uint64_t l2c_crip:3;
+		uint64_t reserved_31_31:1;
+		uint64_t zip_info:2;
+		uint64_t bar2_sz_conf:1;
+		uint64_t efus_lck:1;
+		uint64_t efus_ign:1;
+		uint64_t nozip:1;
+		uint64_t nodfa_dte:1;
+		uint64_t ema1:6;
+		uint64_t nohna_dte:1;
+		uint64_t hna_info_dte:3;
+		uint64_t hna_info_clm:4;
+		uint64_t reserved_0_9:10;
+#else
+		uint64_t reserved_0_9:10;
+		uint64_t hna_info_clm:4;
+		uint64_t hna_info_dte:3;
+		uint64_t nohna_dte:1;
+		uint64_t ema1:6;
+		uint64_t nodfa_dte:1;
+		uint64_t nozip:1;
+		uint64_t efus_ign:1;
+		uint64_t efus_lck:1;
+		uint64_t bar2_sz_conf:1;
+		uint64_t zip_info:2;
+		uint64_t reserved_31_31:1;
+		uint64_t l2c_crip:3;
+		uint64_t pll_half_dis:1;
+		uint64_t efus_lck_man:1;
+		uint64_t efus_lck_rsv:1;
+		uint64_t reserved_38_40:3;
+		uint64_t dfa_info_clm:4;
+		uint64_t dfa_info_dte:3;
+		uint64_t pll_ctl:10;
+		uint64_t ema0:6;
+#endif
+	} cn78xx;
+	struct cvmx_mio_fus_dat3_cn73xx cn78xxp2;
 	struct cvmx_mio_fus_dat3_cn61xx cnf71xx;
+	struct cvmx_mio_fus_dat3_cnf75xx {
+#ifdef __BIG_ENDIAN_BITFIELD
+		uint64_t ema0:6;
+		uint64_t pll_ctl:10;
+		uint64_t dfa_info_dte:3;
+		uint64_t dfa_info_clm:4;
+		uint64_t pll_alt_matrix:1;
+		uint64_t pll_bwadj_denom:2;
+		uint64_t efus_lck_rsv:1;
+		uint64_t efus_lck_man:1;
+		uint64_t pll_half_dis:1;
+		uint64_t l2c_crip:3;
+		uint64_t use_int_refclk:1;
+		uint64_t zip_info:2;
+		uint64_t bar2_sz_conf:1;
+		uint64_t efus_lck:1;
+		uint64_t efus_ign:1;
+		uint64_t nozip:1;
+		uint64_t nodfa_dte:1;
+		uint64_t ema1:6;
+		uint64_t reserved_9_17:9;
+		uint64_t core_pll_mul:5;
+		uint64_t pnr_pll_mul:4;
+#else
+		uint64_t pnr_pll_mul:4;
+		uint64_t core_pll_mul:5;
+		uint64_t reserved_9_17:9;
+		uint64_t ema1:6;
+		uint64_t nodfa_dte:1;
+		uint64_t nozip:1;
+		uint64_t efus_ign:1;
+		uint64_t efus_lck:1;
+		uint64_t bar2_sz_conf:1;
+		uint64_t zip_info:2;
+		uint64_t use_int_refclk:1;
+		uint64_t l2c_crip:3;
+		uint64_t pll_half_dis:1;
+		uint64_t efus_lck_man:1;
+		uint64_t efus_lck_rsv:1;
+		uint64_t pll_bwadj_denom:2;
+		uint64_t pll_alt_matrix:1;
+		uint64_t dfa_info_clm:4;
+		uint64_t dfa_info_dte:3;
+		uint64_t pll_ctl:10;
+		uint64_t ema0:6;
+#endif
+	} cnf75xx;
 };
 
 union cvmx_mio_fus_ema {
diff --git a/arch/mips/include/asm/octeon/cvmx-pow.h b/arch/mips/include/asm/octeon/cvmx-pow.h
index 51531563f..410bb70e5 100644
--- a/arch/mips/include/asm/octeon/cvmx-pow.h
+++ b/arch/mips/include/asm/octeon/cvmx-pow.h
@@ -2051,7 +2051,7 @@ static inline void cvmx_pow_tag_sw_desched(uint32_t tag,
 }
 
 /**
- * Descchedules the current work queue entry.
+ * Deschedules the current work queue entry.
  *
  * @no_sched: no schedule flag value to be set on the work queue
  *	      entry.  If this is set the entry will not be
diff --git a/arch/mips/include/asm/octeon/cvmx-sysinfo.h b/arch/mips/include/asm/octeon/cvmx-sysinfo.h
index 213119742..c6c3ee39c 100644
--- a/arch/mips/include/asm/octeon/cvmx-sysinfo.h
+++ b/arch/mips/include/asm/octeon/cvmx-sysinfo.h
@@ -4,7 +4,7 @@
  * Contact: support@caviumnetworks.com
  * This file is part of the OCTEON SDK
  *
- * Copyright (c) 2003-2008 Cavium Networks
+ * Copyright (c) 2003-2016 Cavium, Inc.
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License, Version 2, as
@@ -32,6 +32,8 @@
 #ifndef __CVMX_SYSINFO_H__
 #define __CVMX_SYSINFO_H__
 
+#include "cvmx-coremask.h"
+
 #define OCTEON_SERIAL_LEN 20
 /**
  * Structure describing application specific information.
@@ -50,8 +52,7 @@ struct cvmx_sysinfo {
 	uint64_t system_dram_size;
 
 	/* ptr to memory descriptor block */
-	void *phy_mem_desc_ptr;
-
+	uint64_t phy_mem_desc_addr;
 
 	/* Application image specific variables */
 	/* stack top address (virtual) */
@@ -63,7 +64,7 @@ struct cvmx_sysinfo {
 	/* heap size in bytes */
 	uint32_t heap_size;
 	/* coremask defining cores running application */
-	uint32_t core_mask;
+	struct cvmx_coremask core_mask;
 	/* Deprecated, use cvmx_coremask_first_core() to select init core */
 	uint32_t init_core;
 
@@ -121,32 +122,4 @@ struct cvmx_sysinfo {
 
 extern struct cvmx_sysinfo *cvmx_sysinfo_get(void);
 
-/**
- * This function is used in non-simple executive environments (such as
- * Linux kernel, u-boot, etc.)	to configure the minimal fields that
- * are required to use simple executive files directly.
- *
- * Locking (if required) must be handled outside of this
- * function
- *
- * @phy_mem_desc_ptr: Pointer to global physical memory descriptor
- *		     (bootmem descriptor) @board_type: Octeon board
- *		     type enumeration
- *
- * @board_rev_major:
- *		     Board major revision
- * @board_rev_minor:
- *		     Board minor revision
- * @cpu_clock_hz:
- *		     CPU clock freqency in hertz
- *
- * Returns 0: Failure
- *	   1: success
- */
-extern int cvmx_sysinfo_minimal_initialize(void *phy_mem_desc_ptr,
-					   uint16_t board_type,
-					   uint8_t board_rev_major,
-					   uint8_t board_rev_minor,
-					   uint32_t cpu_clock_hz);
-
 #endif /* __CVMX_SYSINFO_H__ */
diff --git a/arch/mips/include/asm/octeon/cvmx.h b/arch/mips/include/asm/octeon/cvmx.h
index 3e982e0c3..2530e8731 100644
--- a/arch/mips/include/asm/octeon/cvmx.h
+++ b/arch/mips/include/asm/octeon/cvmx.h
@@ -57,6 +57,7 @@ enum cvmx_mips_space {
 #include <asm/octeon/cvmx-sysinfo.h>
 
 #include <asm/octeon/cvmx-ciu-defs.h>
+#include <asm/octeon/cvmx-ciu3-defs.h>
 #include <asm/octeon/cvmx-gpio-defs.h>
 #include <asm/octeon/cvmx-iob-defs.h>
 #include <asm/octeon/cvmx-ipd-defs.h>
@@ -341,6 +342,21 @@ static inline unsigned int cvmx_get_core_num(void)
 	return core_num;
 }
 
+/* Maximum # of bits to define core in node */
+#define CVMX_NODE_NO_SHIFT	7
+#define CVMX_NODE_MASK		0x3
+static inline unsigned int cvmx_get_node_num(void)
+{
+	unsigned int core_num = cvmx_get_core_num();
+
+	return (core_num >> CVMX_NODE_NO_SHIFT) & CVMX_NODE_MASK;
+}
+
+static inline unsigned int cvmx_get_local_core_num(void)
+{
+	return cvmx_get_core_num() & ((1 << CVMX_NODE_NO_SHIFT) - 1);
+}
+
 /**
  * Returns the number of bits set in the provided value.
  * Simple wrapper for POP instruction.
@@ -448,8 +464,15 @@ static inline uint64_t cvmx_get_cycle_global(void)
 /* Return the number of cores available in the chip */
 static inline uint32_t cvmx_octeon_num_cores(void)
 {
-	uint32_t ciu_fuse = (uint32_t) cvmx_read_csr(CVMX_CIU_FUSE) & 0xffff;
-	return cvmx_pop(ciu_fuse);
+	u64 ciu_fuse_reg;
+	u64 ciu_fuse;
+
+	if (OCTEON_IS_OCTEON3() && !OCTEON_IS_MODEL(OCTEON_CN70XX))
+		ciu_fuse_reg = CVMX_CIU3_FUSE;
+	else
+		ciu_fuse_reg = CVMX_CIU_FUSE;
+	ciu_fuse = cvmx_read_csr(ciu_fuse_reg);
+	return cvmx_dpop(ciu_fuse);
 }
 
 #endif /*  __CVMX_H__  */
diff --git a/arch/mips/include/asm/octeon/octeon-feature.h b/arch/mips/include/asm/octeon/octeon-feature.h
index 3ed10a8d7..a19ca3b27 100644
--- a/arch/mips/include/asm/octeon/octeon-feature.h
+++ b/arch/mips/include/asm/octeon/octeon-feature.h
@@ -81,6 +81,10 @@ enum octeon_feature {
 	OCTEON_FEATURE_HFA,
 	OCTEON_FEATURE_DFM,
 	OCTEON_FEATURE_CIU2,
+	OCTEON_FEATURE_CIU3,
+	/* Octeon has FPA first seen on 78XX */
+	OCTEON_FEATURE_FPA3,
+	OCTEON_FEATURE_FAU,
 	OCTEON_MAX_FEATURE
 };
 
@@ -110,7 +114,7 @@ static inline int octeon_has_crypto(void)
  * Returns Non zero if the feature exists. Zero if the feature does not
  *	   exist.
  */
-static inline int octeon_has_feature(enum octeon_feature feature)
+static inline bool octeon_has_feature(enum octeon_feature feature)
 {
 	switch (feature) {
 	case OCTEON_FEATURE_SAAD:
@@ -122,7 +126,7 @@ static inline int octeon_has_feature(enum octeon_feature feature)
 			fus_2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
 			return !fus_2.s.nocrypto && !fus_2.s.nomul && fus_2.s.dorm_crypto;
 		} else {
-			return 0;
+			return false;
 		}
 
 	case OCTEON_FEATURE_PCIE:
@@ -190,11 +194,20 @@ static inline int octeon_has_feature(enum octeon_feature feature)
 
 	case OCTEON_FEATURE_CIU2:
 		return OCTEON_IS_MODEL(OCTEON_CN68XX);
+	case OCTEON_FEATURE_CIU3:
+	case OCTEON_FEATURE_FPA3:
+		return OCTEON_IS_MODEL(OCTEON_CN78XX)
+			|| OCTEON_IS_MODEL(OCTEON_CNF75XX)
+			|| OCTEON_IS_MODEL(OCTEON_CN73XX);
+	case OCTEON_FEATURE_FAU:
+		return !(OCTEON_IS_MODEL(OCTEON_CN78XX)
+			 || OCTEON_IS_MODEL(OCTEON_CNF75XX)
+			 || OCTEON_IS_MODEL(OCTEON_CN73XX));
 
 	default:
 		break;
 	}
-	return 0;
+	return false;
 }
 
 #endif /* __OCTEON_FEATURE_H__ */
diff --git a/arch/mips/include/asm/octeon/octeon-model.h b/arch/mips/include/asm/octeon/octeon-model.h
index 92b377e36..6c68517c2 100644
--- a/arch/mips/include/asm/octeon/octeon-model.h
+++ b/arch/mips/include/asm/octeon/octeon-model.h
@@ -74,7 +74,12 @@
  * CN7XXX models with new revision encoding
  */
 
+#define OCTEON_CNF75XX_PASS1_0	0x000d9800
+#define OCTEON_CNF75XX		(OCTEON_CNF75XX_PASS1_0 | OM_IGNORE_REVISION)
+#define OCTEON_CNF75XX_PASS1_X	(OCTEON_CNF75XX_PASS1_0 | OM_IGNORE_MINOR_REVISION)
+
 #define OCTEON_CN73XX_PASS1_0	0x000d9700
+#define OCTEON_CN73XX_PASS1_1	0x000d9701
 #define OCTEON_CN73XX		(OCTEON_CN73XX_PASS1_0 | OM_IGNORE_REVISION)
 #define OCTEON_CN73XX_PASS1_X	(OCTEON_CN73XX_PASS1_0 | \
 				 OM_IGNORE_MINOR_REVISION)
diff --git a/arch/mips/include/asm/octeon/octeon.h b/arch/mips/include/asm/octeon/octeon.h
index de9f74ee5..07c0516ef 100644
--- a/arch/mips/include/asm/octeon/octeon.h
+++ b/arch/mips/include/asm/octeon/octeon.h
@@ -299,6 +299,31 @@ static inline void octeon_npi_write32(uint64_t address, uint32_t val)
 	cvmx_read64_uint32(address ^ 4);
 }
 
+#ifdef CONFIG_SMP
+void octeon_setup_smp(void);
+#else
+static inline void octeon_setup_smp(void) {}
+#endif
+
+struct irq_domain;
+struct device_node;
+struct irq_data;
+struct irq_chip;
+void octeon_ciu3_mbox_send(int cpu, unsigned int mbox);
+int octeon_irq_ciu3_xlat(struct irq_domain *d,
+			 struct device_node *node,
+			 const u32 *intspec,
+			 unsigned int intsize,
+			 unsigned long *out_hwirq,
+			 unsigned int *out_type);
+void octeon_irq_ciu3_enable(struct irq_data *data);
+void octeon_irq_ciu3_disable(struct irq_data *data);
+void octeon_irq_ciu3_ack(struct irq_data *data);
+void octeon_irq_ciu3_mask(struct irq_data *data);
+void octeon_irq_ciu3_mask_ack(struct irq_data *data);
+int octeon_irq_ciu3_mapx(struct irq_domain *d, unsigned int virq,
+			 irq_hw_number_t hw, struct irq_chip *chip);
+
 /* Octeon multiplier save/restore routines from octeon_switch.S */
 void octeon_mult_save(void);
 void octeon_mult_restore(void);
diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h
index 8c16fb7b8..86b239d9d 100644
--- a/arch/mips/include/asm/pci.h
+++ b/arch/mips/include/asm/pci.h
@@ -43,8 +43,6 @@ struct pci_controller {
 	   and XFree86. Eventually will be removed. */
 	unsigned int need_domain_info;
 
-	int iommu;
-
 	/* Optional access methods for reading/writing the bus number
 	   of the PCI controller */
 	int (*get_busno)(void);
@@ -106,11 +104,11 @@ static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
 struct pci_dev;
 
 /*
- * The PCI address space does equal the physical memory address space.	The
- * networking and block device layers use this boolean for bounce buffer
- * decisions.  This is set if any hose does not have an IOMMU.
+ * The PCI address space does equal the physical memory address space.
+ * The networking and block device layers use this boolean for bounce
+ * buffer decisions.
  */
-extern unsigned int PCI_DMA_BUS_IS_PHYS;
+#define PCI_DMA_BUS_IS_PHYS     (1)
 
 #ifdef CONFIG_PCI_DOMAINS
 #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
index b336037e8..93c079a1c 100644
--- a/arch/mips/include/asm/pgalloc.h
+++ b/arch/mips/include/asm/pgalloc.h
@@ -69,7 +69,7 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 {
 	pte_t *pte;
 
-	pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, PTE_ORDER);
+	pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_ZERO, PTE_ORDER);
 
 	return pte;
 }
@@ -79,7 +79,7 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
 {
 	struct page *pte;
 
-	pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
+	pte = alloc_pages(GFP_KERNEL, PTE_ORDER);
 	if (!pte)
 		return NULL;
 	clear_highpage(pte);
@@ -113,7 +113,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
 {
 	pmd_t *pmd;
 
-	pmd = (pmd_t *) __get_free_pages(GFP_KERNEL|__GFP_REPEAT, PMD_ORDER);
+	pmd = (pmd_t *) __get_free_pages(GFP_KERNEL, PMD_ORDER);
 	if (pmd)
 		pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
 	return pmd;
diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h
index 832e2167d..d21f3da7b 100644
--- a/arch/mips/include/asm/pgtable-32.h
+++ b/arch/mips/include/asm/pgtable-32.h
@@ -103,8 +103,8 @@ static inline void pmd_clear(pmd_t *pmdp)
 	pmd_val(*pmdp) = ((unsigned long) invalid_pte_table);
 }
 
-#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
-#define pte_page(x)		pfn_to_page(pte_pfn(x))
+#if defined(CONFIG_XPA)
+
 #define pte_pfn(x)		(((unsigned long)((x).pte_high >> _PFN_SHIFT)) | (unsigned long)((x).pte_low << _PAGE_PRESENT_SHIFT))
 static inline pte_t
 pfn_pte(unsigned long pfn, pgprot_t prot)
@@ -118,9 +118,21 @@ pfn_pte(unsigned long pfn, pgprot_t prot)
 	return pte;
 }
 
-#else
+#elif defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
 
-#define pte_page(x)		pfn_to_page(pte_pfn(x))
+#define pte_pfn(x)		((unsigned long)((x).pte_high >> 6))
+
+static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot)
+{
+	pte_t pte;
+
+	pte.pte_high = (pfn << 6) | (pgprot_val(prot) & 0x3f);
+	pte.pte_low = pgprot_val(prot);
+
+	return pte;
+}
+
+#else
 
 #ifdef CONFIG_CPU_VR41XX
 #define pte_pfn(x)		((unsigned long)((x).pte >> (PAGE_SHIFT + 2)))
@@ -131,6 +143,8 @@ pfn_pte(unsigned long pfn, pgprot_t prot)
 #endif
 #endif /* defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32) */
 
+#define pte_page(x)		pfn_to_page(pte_pfn(x))
+
 #define __pgd_offset(address)	pgd_index(address)
 #define __pud_offset(address)	(((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
 #define __pmd_offset(address)	(((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
@@ -166,7 +180,7 @@ pfn_pte(unsigned long pfn, pgprot_t prot)
 
 #else
 
-#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
+#if defined(CONFIG_XPA)
 
 /* Swap entries must have VALID and GLOBAL bits cleared. */
 #define __swp_type(x)			(((x).val >> 4) & 0x1f)
@@ -175,6 +189,15 @@ pfn_pte(unsigned long pfn, pgprot_t prot)
 #define __pte_to_swp_entry(pte)		((swp_entry_t) { (pte).pte_high })
 #define __swp_entry_to_pte(x)		((pte_t) { 0, (x).val })
 
+#elif defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
+
+/* Swap entries must have VALID and GLOBAL bits cleared. */
+#define __swp_type(x)			(((x).val >> 2) & 0x1f)
+#define __swp_offset(x)			 ((x).val >> 7)
+#define __swp_entry(type, offset)	((swp_entry_t)  { ((type) << 2) | ((offset) << 7) })
+#define __pte_to_swp_entry(pte)		((swp_entry_t) { (pte).pte_high })
+#define __swp_entry_to_pte(x)		((pte_t) { 0, (x).val })
+
 #else
 /*
  * Constraints:
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index cf661a2fb..514cbc0a6 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -17,7 +17,7 @@
 #include <asm/cachectl.h>
 #include <asm/fixmap.h>
 
-#ifdef CONFIG_PAGE_SIZE_64KB
+#if defined(CONFIG_PAGE_SIZE_64KB) && !defined(CONFIG_MIPS_VA_BITS_48)
 #include <asm-generic/pgtable-nopmd.h>
 #else
 #include <asm-generic/pgtable-nopud.h>
@@ -90,7 +90,11 @@
 #define PTE_ORDER		0
 #endif
 #ifdef CONFIG_PAGE_SIZE_16KB
-#define PGD_ORDER		0
+#ifdef CONFIG_MIPS_VA_BITS_48
+#define PGD_ORDER               1
+#else
+#define PGD_ORDER               0
+#endif
 #define PUD_ORDER		aieeee_attempt_to_allocate_pud
 #define PMD_ORDER		0
 #define PTE_ORDER		0
@@ -104,7 +108,11 @@
 #ifdef CONFIG_PAGE_SIZE_64KB
 #define PGD_ORDER		0
 #define PUD_ORDER		aieeee_attempt_to_allocate_pud
+#ifdef CONFIG_MIPS_VA_BITS_48
+#define PMD_ORDER		0
+#else
 #define PMD_ORDER		aieeee_attempt_to_allocate_pmd
+#endif
 #define PTE_ORDER		0
 #endif
 
@@ -114,11 +122,7 @@
 #endif
 #define PTRS_PER_PTE	((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t))
 
-#if PGDIR_SIZE >= TASK_SIZE64
-#define USER_PTRS_PER_PGD	(1)
-#else
-#define USER_PTRS_PER_PGD	(TASK_SIZE64 / PGDIR_SIZE)
-#endif
+#define USER_PTRS_PER_PGD       ((TASK_SIZE64 / PGDIR_SIZE)?(TASK_SIZE64 / PGDIR_SIZE):1)
 #define FIRST_USER_ADDRESS	0UL
 
 /*
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h
index 97b313882..f88a48cd6 100644
--- a/arch/mips/include/asm/pgtable-bits.h
+++ b/arch/mips/include/asm/pgtable-bits.h
@@ -32,149 +32,132 @@
  * unpredictable things.  The code (when it is written) to deal with
  * this problem will be in the update_mmu_cache() code for the r4k.
  */
-#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
+#if defined(CONFIG_XPA)
 
 /*
- * The following bits are implemented by the TLB hardware
+ * Page table bit offsets used for 64 bit physical addressing on
+ * MIPS32r5 with XPA.
  */
-#define _PAGE_NO_EXEC_SHIFT	0
-#define _PAGE_NO_EXEC		(1 << _PAGE_NO_EXEC_SHIFT)
-#define _PAGE_NO_READ_SHIFT	(_PAGE_NO_EXEC_SHIFT + 1)
-#define _PAGE_NO_READ		(1 << _PAGE_NO_READ_SHIFT)
-#define _PAGE_GLOBAL_SHIFT	(_PAGE_NO_READ_SHIFT + 1)
-#define _PAGE_GLOBAL		(1 << _PAGE_GLOBAL_SHIFT)
-#define _PAGE_VALID_SHIFT	(_PAGE_GLOBAL_SHIFT + 1)
-#define _PAGE_VALID		(1 << _PAGE_VALID_SHIFT)
-#define _PAGE_DIRTY_SHIFT	(_PAGE_VALID_SHIFT + 1)
-#define _PAGE_DIRTY		(1 << _PAGE_DIRTY_SHIFT)
-#define _CACHE_SHIFT		(_PAGE_DIRTY_SHIFT + 1)
-#define _CACHE_MASK		(7 << _CACHE_SHIFT)
-
-/*
- * The following bits are implemented in software
- */
-#define _PAGE_PRESENT_SHIFT	(24)
-#define _PAGE_PRESENT		(1 << _PAGE_PRESENT_SHIFT)
-#define _PAGE_READ_SHIFT	(_PAGE_PRESENT_SHIFT + 1)
-#define _PAGE_READ		(1 << _PAGE_READ_SHIFT)
-#define _PAGE_WRITE_SHIFT	(_PAGE_READ_SHIFT + 1)
-#define _PAGE_WRITE		(1 << _PAGE_WRITE_SHIFT)
-#define _PAGE_ACCESSED_SHIFT	(_PAGE_WRITE_SHIFT + 1)
-#define _PAGE_ACCESSED		(1 << _PAGE_ACCESSED_SHIFT)
-#define _PAGE_MODIFIED_SHIFT	(_PAGE_ACCESSED_SHIFT + 1)
-#define _PAGE_MODIFIED		(1 << _PAGE_MODIFIED_SHIFT)
-
-#define _PFN_SHIFT		(PAGE_SHIFT - 12 + _CACHE_SHIFT + 3)
+enum pgtable_bits {
+	/* Used by TLB hardware (placed in EntryLo*) */
+	_PAGE_NO_EXEC_SHIFT,
+	_PAGE_NO_READ_SHIFT,
+	_PAGE_GLOBAL_SHIFT,
+	_PAGE_VALID_SHIFT,
+	_PAGE_DIRTY_SHIFT,
+	_CACHE_SHIFT,
+
+	/* Used only by software (masked out before writing EntryLo*) */
+	_PAGE_PRESENT_SHIFT = 24,
+	_PAGE_WRITE_SHIFT,
+	_PAGE_ACCESSED_SHIFT,
+	_PAGE_MODIFIED_SHIFT,
+};
 
 /*
  * Bits for extended EntryLo0/EntryLo1 registers
  */
 #define _PFNX_MASK		0xffffff
 
-#elif defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+#elif defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
 
 /*
- * The following bits are implemented in software
+ * Page table bit offsets used for 36 bit physical addressing on MIPS32,
+ * for example with Alchemy or Netlogic XLP/XLR.
  */
-#define _PAGE_PRESENT_SHIFT	(0)
-#define _PAGE_PRESENT		(1 << _PAGE_PRESENT_SHIFT)
-#define _PAGE_READ_SHIFT	(_PAGE_PRESENT_SHIFT + 1)
-#define _PAGE_READ		(1 << _PAGE_READ_SHIFT)
-#define _PAGE_WRITE_SHIFT	(_PAGE_READ_SHIFT + 1)
-#define _PAGE_WRITE		(1 << _PAGE_WRITE_SHIFT)
-#define _PAGE_ACCESSED_SHIFT	(_PAGE_WRITE_SHIFT + 1)
-#define _PAGE_ACCESSED		(1 << _PAGE_ACCESSED_SHIFT)
-#define _PAGE_MODIFIED_SHIFT	(_PAGE_ACCESSED_SHIFT + 1)
-#define _PAGE_MODIFIED		(1 << _PAGE_MODIFIED_SHIFT)
+enum pgtable_bits {
+	/* Used by TLB hardware (placed in EntryLo*) */
+	_PAGE_GLOBAL_SHIFT,
+	_PAGE_VALID_SHIFT,
+	_PAGE_DIRTY_SHIFT,
+	_CACHE_SHIFT,
+
+	/* Used only by software (masked out before writing EntryLo*) */
+	_PAGE_PRESENT_SHIFT = _CACHE_SHIFT + 3,
+	_PAGE_NO_READ_SHIFT,
+	_PAGE_WRITE_SHIFT,
+	_PAGE_ACCESSED_SHIFT,
+	_PAGE_MODIFIED_SHIFT,
+};
 
-/*
- * The following bits are implemented by the TLB hardware
- */
-#define _PAGE_GLOBAL_SHIFT	(_PAGE_MODIFIED_SHIFT + 4)
-#define _PAGE_GLOBAL		(1 << _PAGE_GLOBAL_SHIFT)
-#define _PAGE_VALID_SHIFT	(_PAGE_GLOBAL_SHIFT + 1)
-#define _PAGE_VALID		(1 << _PAGE_VALID_SHIFT)
-#define _PAGE_DIRTY_SHIFT	(_PAGE_VALID_SHIFT + 1)
-#define _PAGE_DIRTY		(1 << _PAGE_DIRTY_SHIFT)
-#define _CACHE_UNCACHED_SHIFT	(_PAGE_DIRTY_SHIFT + 1)
-#define _CACHE_UNCACHED		(1 << _CACHE_UNCACHED_SHIFT)
-#define _CACHE_MASK		_CACHE_UNCACHED
+#elif defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
 
-#define _PFN_SHIFT		PAGE_SHIFT
+/* Page table bits used for r3k systems */
+enum pgtable_bits {
+	/* Used only by software (writes to EntryLo ignored) */
+	_PAGE_PRESENT_SHIFT,
+	_PAGE_NO_READ_SHIFT,
+	_PAGE_WRITE_SHIFT,
+	_PAGE_ACCESSED_SHIFT,
+	_PAGE_MODIFIED_SHIFT,
+
+	/* Used by TLB hardware (placed in EntryLo) */
+	_PAGE_GLOBAL_SHIFT = 8,
+	_PAGE_VALID_SHIFT,
+	_PAGE_DIRTY_SHIFT,
+	_CACHE_UNCACHED_SHIFT,
+};
 
 #else
-/*
- * Below are the "Normal" R4K cases
- */
 
-/*
- * The following bits are implemented in software
- */
-#define _PAGE_PRESENT_SHIFT	0
+/* Page table bits used for r4k systems */
+enum pgtable_bits {
+	/* Used only by software (masked out before writing EntryLo*) */
+	_PAGE_PRESENT_SHIFT,
+#if !defined(CONFIG_CPU_HAS_RIXI)
+	_PAGE_NO_READ_SHIFT,
+#endif
+	_PAGE_WRITE_SHIFT,
+	_PAGE_ACCESSED_SHIFT,
+	_PAGE_MODIFIED_SHIFT,
+#if defined(CONFIG_64BIT) && defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
+	_PAGE_HUGE_SHIFT,
+#endif
+
+	/* Used by TLB hardware (placed in EntryLo*) */
+#if defined(CONFIG_CPU_HAS_RIXI)
+	_PAGE_NO_EXEC_SHIFT,
+	_PAGE_NO_READ_SHIFT,
+#endif
+	_PAGE_GLOBAL_SHIFT,
+	_PAGE_VALID_SHIFT,
+	_PAGE_DIRTY_SHIFT,
+	_CACHE_SHIFT,
+};
+
+#endif /* defined(CONFIG_PHYS_ADDR_T_64BIT && defined(CONFIG_CPU_MIPS32) */
+
+/* Used only by software */
 #define _PAGE_PRESENT		(1 << _PAGE_PRESENT_SHIFT)
-/* R2 or later cores check for RI/XI support to determine _PAGE_READ */
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
-#define _PAGE_WRITE_SHIFT	(_PAGE_PRESENT_SHIFT + 1)
-#define _PAGE_WRITE		(1 << _PAGE_WRITE_SHIFT)
-#else
-#define _PAGE_READ_SHIFT	(_PAGE_PRESENT_SHIFT + 1)
-#define _PAGE_READ		(1 << _PAGE_READ_SHIFT)
-#define _PAGE_WRITE_SHIFT	(_PAGE_READ_SHIFT + 1)
 #define _PAGE_WRITE		(1 << _PAGE_WRITE_SHIFT)
-#endif
-#define _PAGE_ACCESSED_SHIFT	(_PAGE_WRITE_SHIFT + 1)
 #define _PAGE_ACCESSED		(1 << _PAGE_ACCESSED_SHIFT)
-#define _PAGE_MODIFIED_SHIFT	(_PAGE_ACCESSED_SHIFT + 1)
 #define _PAGE_MODIFIED		(1 << _PAGE_MODIFIED_SHIFT)
-
 #if defined(CONFIG_64BIT) && defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
-/* Huge TLB page */
-#define _PAGE_HUGE_SHIFT	(_PAGE_MODIFIED_SHIFT + 1)
-#define _PAGE_HUGE		(1 << _PAGE_HUGE_SHIFT)
-#endif	/* CONFIG_64BIT && CONFIG_MIPS_HUGE_TLB_SUPPORT */
-
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
-/* XI - page cannot be executed */
-#ifdef _PAGE_HUGE_SHIFT
-#define _PAGE_NO_EXEC_SHIFT	(_PAGE_HUGE_SHIFT + 1)
-#else
-#define _PAGE_NO_EXEC_SHIFT	(_PAGE_MODIFIED_SHIFT + 1)
+# define _PAGE_HUGE		(1 << _PAGE_HUGE_SHIFT)
 #endif
-#define _PAGE_NO_EXEC		(cpu_has_rixi ? (1 << _PAGE_NO_EXEC_SHIFT) : 0)
-
-/* RI - page cannot be read */
-#define _PAGE_READ_SHIFT	(_PAGE_NO_EXEC_SHIFT + 1)
-#define _PAGE_READ		(cpu_has_rixi ? 0 : (1 << _PAGE_READ_SHIFT))
-#define _PAGE_NO_READ_SHIFT	_PAGE_READ_SHIFT
-#define _PAGE_NO_READ		(cpu_has_rixi ? (1 << _PAGE_READ_SHIFT) : 0)
-#endif	/* defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) */
-
-#if defined(_PAGE_NO_READ_SHIFT)
-#define _PAGE_GLOBAL_SHIFT	(_PAGE_NO_READ_SHIFT + 1)
-#elif defined(_PAGE_HUGE_SHIFT)
-#define _PAGE_GLOBAL_SHIFT	(_PAGE_HUGE_SHIFT + 1)
-#else
-#define _PAGE_GLOBAL_SHIFT	(_PAGE_MODIFIED_SHIFT + 1)
+
+/* Used by TLB hardware (placed in EntryLo*) */
+#if defined(CONFIG_XPA)
+# define _PAGE_NO_EXEC		(1 << _PAGE_NO_EXEC_SHIFT)
+#elif defined(CONFIG_CPU_HAS_RIXI)
+# define _PAGE_NO_EXEC		(cpu_has_rixi ? (1 << _PAGE_NO_EXEC_SHIFT) : 0)
 #endif
+#define _PAGE_NO_READ		(1 << _PAGE_NO_READ_SHIFT)
 #define _PAGE_GLOBAL		(1 << _PAGE_GLOBAL_SHIFT)
-
-#define _PAGE_VALID_SHIFT	(_PAGE_GLOBAL_SHIFT + 1)
 #define _PAGE_VALID		(1 << _PAGE_VALID_SHIFT)
-#define _PAGE_DIRTY_SHIFT	(_PAGE_VALID_SHIFT + 1)
 #define _PAGE_DIRTY		(1 << _PAGE_DIRTY_SHIFT)
-#define _CACHE_SHIFT		(_PAGE_DIRTY_SHIFT + 1)
-#define _CACHE_MASK		(7 << _CACHE_SHIFT)
-
-#define _PFN_SHIFT		(PAGE_SHIFT - 12 + _CACHE_SHIFT + 3)
-
-#endif /* defined(CONFIG_PHYS_ADDR_T_64BIT && defined(CONFIG_CPU_MIPS32) */
+#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+# define _CACHE_UNCACHED	(1 << _CACHE_UNCACHED_SHIFT)
+# define _CACHE_MASK		_CACHE_UNCACHED
+# define _PFN_SHIFT		PAGE_SHIFT
+#else
+# define _CACHE_MASK		(7 << _CACHE_SHIFT)
+# define _PFN_SHIFT		(PAGE_SHIFT - 12 + _CACHE_SHIFT + 3)
+#endif
 
 #ifndef _PAGE_NO_EXEC
 #define _PAGE_NO_EXEC		0
 #endif
-#ifndef _PAGE_NO_READ
-#define _PAGE_NO_READ		0
-#endif
 
 #define _PAGE_SILENT_READ	_PAGE_VALID
 #define _PAGE_SILENT_WRITE	_PAGE_DIRTY
@@ -191,14 +174,13 @@
  */
 
 
-#ifndef __ASSEMBLY__
 /*
  * pte_to_entrylo converts a page table entry (PTE) into a Mips
  * entrylo0/1 value.
  */
 static inline uint64_t pte_to_entrylo(unsigned long pte_val)
 {
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
+#ifdef CONFIG_CPU_HAS_RIXI
 	if (cpu_has_rixi) {
 		int sa;
 #ifdef CONFIG_32BIT
@@ -218,7 +200,6 @@ static inline uint64_t pte_to_entrylo(unsigned long pte_val)
 
 	return pte_val >> _PAGE_GLOBAL_SHIFT;
 }
-#endif
 
 /*
  * Cache attributes
@@ -274,7 +255,7 @@ static inline uint64_t pte_to_entrylo(unsigned long pte_val)
 #define _CACHE_UNCACHED_ACCELERATED	(7<<_CACHE_SHIFT)
 #endif
 
-#define __READABLE	(_PAGE_SILENT_READ | _PAGE_READ | _PAGE_ACCESSED)
+#define __READABLE	(_PAGE_SILENT_READ | _PAGE_ACCESSED)
 #define __WRITEABLE	(_PAGE_SILENT_WRITE | _PAGE_WRITE | _PAGE_MODIFIED)
 
 #define _PAGE_CHG_MASK	(_PAGE_ACCESSED | _PAGE_MODIFIED |	\
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index 65bf2c065..7d44e8881 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -23,18 +23,19 @@
 struct mm_struct;
 struct vm_area_struct;
 
-#define PAGE_NONE	__pgprot(_PAGE_PRESENT | _CACHE_CACHABLE_NONCOHERENT)
-#define PAGE_SHARED	__pgprot(_PAGE_PRESENT | _PAGE_WRITE | _PAGE_READ | \
+#define PAGE_NONE	__pgprot(_PAGE_PRESENT | _PAGE_NO_READ | \
 				 _page_cachable_default)
-#define PAGE_COPY	__pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_NO_EXEC | \
+#define PAGE_SHARED	__pgprot(_PAGE_PRESENT | _PAGE_WRITE | \
 				 _page_cachable_default)
-#define PAGE_READONLY	__pgprot(_PAGE_PRESENT | _PAGE_READ | \
+#define PAGE_COPY	__pgprot(_PAGE_PRESENT | _PAGE_NO_EXEC | \
+				 _page_cachable_default)
+#define PAGE_READONLY	__pgprot(_PAGE_PRESENT | \
 				 _page_cachable_default)
 #define PAGE_KERNEL	__pgprot(_PAGE_PRESENT | __READABLE | __WRITEABLE | \
 				 _PAGE_GLOBAL | _page_cachable_default)
 #define PAGE_KERNEL_NC	__pgprot(_PAGE_PRESENT | __READABLE | __WRITEABLE | \
 				 _PAGE_GLOBAL | _CACHE_CACHABLE_NONCOHERENT)
-#define PAGE_USERIO	__pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
+#define PAGE_USERIO	__pgprot(_PAGE_PRESENT | _PAGE_WRITE | \
 				 _page_cachable_default)
 #define PAGE_KERNEL_UNCACHED __pgprot(_PAGE_PRESENT | __READABLE | \
 			__WRITEABLE | _PAGE_GLOBAL | _CACHE_UNCACHED)
@@ -132,7 +133,12 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
 
 #if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
 
-#define pte_none(pte)		(!(((pte).pte_high) & ~_PAGE_GLOBAL))
+#ifdef CONFIG_XPA
+# define pte_none(pte)		(!(((pte).pte_high) & ~_PAGE_GLOBAL))
+#else
+# define pte_none(pte)		(!(((pte).pte_low | (pte).pte_high) & ~_PAGE_GLOBAL))
+#endif
+
 #define pte_present(pte)	((pte).pte_low & _PAGE_PRESENT)
 #define pte_no_exec(pte)	((pte).pte_low & _PAGE_NO_EXEC)
 
@@ -142,14 +148,21 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
 	smp_wmb();
 	ptep->pte_low = pte.pte_low;
 
+#ifdef CONFIG_XPA
 	if (pte.pte_high & _PAGE_GLOBAL) {
+#else
+	if (pte.pte_low & _PAGE_GLOBAL) {
+#endif
 		pte_t *buddy = ptep_buddy(ptep);
 		/*
 		 * Make sure the buddy is global too (if it's !none,
 		 * it better already be global)
 		 */
-		if (pte_none(*buddy))
+		if (pte_none(*buddy)) {
+			if (!config_enabled(CONFIG_XPA))
+				buddy->pte_low |= _PAGE_GLOBAL;
 			buddy->pte_high |= _PAGE_GLOBAL;
+		}
 	}
 }
 
@@ -159,8 +172,13 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt
 
 	htw_stop();
 	/* Preserve global status for the pair */
-	if (ptep_buddy(ptep)->pte_high & _PAGE_GLOBAL)
-		null.pte_high = _PAGE_GLOBAL;
+	if (config_enabled(CONFIG_XPA)) {
+		if (ptep_buddy(ptep)->pte_high & _PAGE_GLOBAL)
+			null.pte_high = _PAGE_GLOBAL;
+	} else {
+		if (ptep_buddy(ptep)->pte_low & _PAGE_GLOBAL)
+			null.pte_low = null.pte_high = _PAGE_GLOBAL;
+	}
 
 	set_pte_at(mm, addr, ptep, null);
 	htw_start();
@@ -191,30 +209,42 @@ static inline void set_pte(pte_t *ptep, pte_t pteval)
 		 * For SMP, multiple CPUs can race, so we need to do
 		 * this atomically.
 		 */
-#ifdef CONFIG_64BIT
-#define LL_INSN "lld"
-#define SC_INSN "scd"
-#else /* CONFIG_32BIT */
-#define LL_INSN "ll"
-#define SC_INSN "sc"
-#endif
 		unsigned long page_global = _PAGE_GLOBAL;
 		unsigned long tmp;
 
-		__asm__ __volatile__ (
-			"	.set	push\n"
-			"	.set	noreorder\n"
-			"1:	" LL_INSN "	%[tmp], %[buddy]\n"
-			"	bnez	%[tmp], 2f\n"
-			"	 or	%[tmp], %[tmp], %[global]\n"
-			"	" SC_INSN "	%[tmp], %[buddy]\n"
-			"	beqz	%[tmp], 1b\n"
-			"	 nop\n"
-			"2:\n"
-			"	.set pop"
-			: [buddy] "+m" (buddy->pte),
-			  [tmp] "=&r" (tmp)
+		if (kernel_uses_llsc && R10000_LLSC_WAR) {
+			__asm__ __volatile__ (
+			"	.set	arch=r4000			\n"
+			"	.set	push				\n"
+			"	.set	noreorder			\n"
+			"1:"	__LL	"%[tmp], %[buddy]		\n"
+			"	bnez	%[tmp], 2f			\n"
+			"	 or	%[tmp], %[tmp], %[global]	\n"
+				__SC	"%[tmp], %[buddy]		\n"
+			"	beqzl	%[tmp], 1b			\n"
+			"	nop					\n"
+			"2:						\n"
+			"	.set	pop				\n"
+			"	.set	mips0				\n"
+			: [buddy] "+m" (buddy->pte), [tmp] "=&r" (tmp)
 			: [global] "r" (page_global));
+		} else if (kernel_uses_llsc) {
+			__asm__ __volatile__ (
+			"	.set	"MIPS_ISA_ARCH_LEVEL"		\n"
+			"	.set	push				\n"
+			"	.set	noreorder			\n"
+			"1:"	__LL	"%[tmp], %[buddy]		\n"
+			"	bnez	%[tmp], 2f			\n"
+			"	 or	%[tmp], %[tmp], %[global]	\n"
+				__SC	"%[tmp], %[buddy]		\n"
+			"	beqz	%[tmp], 1b			\n"
+			"	nop					\n"
+			"2:						\n"
+			"	.set	pop				\n"
+			"	.set	mips0				\n"
+			: [buddy] "+m" (buddy->pte), [tmp] "=&r" (tmp)
+			: [global] "r" (page_global));
+		}
 #else /* !CONFIG_SMP */
 		if (pte_none(*buddy))
 			pte_val(*buddy) = pte_val(*buddy) | _PAGE_GLOBAL;
@@ -289,6 +319,8 @@ static inline int pte_young(pte_t pte)	{ return pte.pte_low & _PAGE_ACCESSED; }
 static inline pte_t pte_wrprotect(pte_t pte)
 {
 	pte.pte_low  &= ~_PAGE_WRITE;
+	if (!config_enabled(CONFIG_XPA))
+		pte.pte_low &= ~_PAGE_SILENT_WRITE;
 	pte.pte_high &= ~_PAGE_SILENT_WRITE;
 	return pte;
 }
@@ -296,6 +328,8 @@ static inline pte_t pte_wrprotect(pte_t pte)
 static inline pte_t pte_mkclean(pte_t pte)
 {
 	pte.pte_low  &= ~_PAGE_MODIFIED;
+	if (!config_enabled(CONFIG_XPA))
+		pte.pte_low &= ~_PAGE_SILENT_WRITE;
 	pte.pte_high &= ~_PAGE_SILENT_WRITE;
 	return pte;
 }
@@ -303,6 +337,8 @@ static inline pte_t pte_mkclean(pte_t pte)
 static inline pte_t pte_mkold(pte_t pte)
 {
 	pte.pte_low  &= ~_PAGE_ACCESSED;
+	if (!config_enabled(CONFIG_XPA))
+		pte.pte_low &= ~_PAGE_SILENT_READ;
 	pte.pte_high &= ~_PAGE_SILENT_READ;
 	return pte;
 }
@@ -310,24 +346,33 @@ static inline pte_t pte_mkold(pte_t pte)
 static inline pte_t pte_mkwrite(pte_t pte)
 {
 	pte.pte_low |= _PAGE_WRITE;
-	if (pte.pte_low & _PAGE_MODIFIED)
+	if (pte.pte_low & _PAGE_MODIFIED) {
+		if (!config_enabled(CONFIG_XPA))
+			pte.pte_low |= _PAGE_SILENT_WRITE;
 		pte.pte_high |= _PAGE_SILENT_WRITE;
+	}
 	return pte;
 }
 
 static inline pte_t pte_mkdirty(pte_t pte)
 {
 	pte.pte_low |= _PAGE_MODIFIED;
-	if (pte.pte_low & _PAGE_WRITE)
+	if (pte.pte_low & _PAGE_WRITE) {
+		if (!config_enabled(CONFIG_XPA))
+			pte.pte_low |= _PAGE_SILENT_WRITE;
 		pte.pte_high |= _PAGE_SILENT_WRITE;
+	}
 	return pte;
 }
 
 static inline pte_t pte_mkyoung(pte_t pte)
 {
 	pte.pte_low |= _PAGE_ACCESSED;
-	if (pte.pte_low & _PAGE_READ)
+	if (!(pte.pte_low & _PAGE_NO_READ)) {
+		if (!config_enabled(CONFIG_XPA))
+			pte.pte_low |= _PAGE_SILENT_READ;
 		pte.pte_high |= _PAGE_SILENT_READ;
+	}
 	return pte;
 }
 #else
@@ -372,13 +417,8 @@ static inline pte_t pte_mkdirty(pte_t pte)
 static inline pte_t pte_mkyoung(pte_t pte)
 {
 	pte_val(pte) |= _PAGE_ACCESSED;
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
 	if (!(pte_val(pte) & _PAGE_NO_READ))
 		pte_val(pte) |= _PAGE_SILENT_READ;
-	else
-#endif
-	if (pte_val(pte) & _PAGE_READ)
-		pte_val(pte) |= _PAGE_SILENT_READ;
 	return pte;
 }
 
@@ -430,19 +470,29 @@ static inline pgprot_t pgprot_writecombine(pgprot_t _prot)
  */
 #define mk_pte(page, pgprot)	pfn_pte(page_to_pfn(page), (pgprot))
 
-#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
+#if defined(CONFIG_XPA)
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
 	pte.pte_low  &= (_PAGE_MODIFIED | _PAGE_ACCESSED | _PFNX_MASK);
 	pte.pte_high &= (_PFN_MASK | _CACHE_MASK);
 	pte.pte_low  |= pgprot_val(newprot) & ~_PFNX_MASK;
-	pte.pte_high |= pgprot_val(newprot) & ~_PFN_MASK;
+	pte.pte_high |= pgprot_val(newprot) & ~(_PFN_MASK | _CACHE_MASK);
+	return pte;
+}
+#elif defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
+static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
+{
+	pte.pte_low  &= _PAGE_CHG_MASK;
+	pte.pte_high &= (_PFN_MASK | _CACHE_MASK);
+	pte.pte_low  |= pgprot_val(newprot);
+	pte.pte_high |= pgprot_val(newprot) & ~(_PFN_MASK | _CACHE_MASK);
 	return pte;
 }
 #else
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
-	return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot));
+	return __pte((pte_val(pte) & _PAGE_CHG_MASK) |
+		     (pgprot_val(newprot) & ~_PAGE_CHG_MASK));
 }
 #endif
 
@@ -484,6 +534,7 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 
+#define has_transparent_hugepage has_transparent_hugepage
 extern int has_transparent_hugepage(void);
 
 static inline int pmd_trans_huge(pmd_t pmd)
@@ -558,13 +609,8 @@ static inline pmd_t pmd_mkyoung(pmd_t pmd)
 {
 	pmd_val(pmd) |= _PAGE_ACCESSED;
 
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
 	if (!(pmd_val(pmd) & _PAGE_NO_READ))
 		pmd_val(pmd) |= _PAGE_SILENT_READ;
-	else
-#endif
-	if (pmd_val(pmd) & _PAGE_READ)
-		pmd_val(pmd) |= _PAGE_SILENT_READ;
 
 	return pmd;
 }
@@ -587,7 +633,8 @@ static inline struct page *pmd_page(pmd_t pmd)
 
 static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
 {
-	pmd_val(pmd) = (pmd_val(pmd) & _PAGE_CHG_MASK) | pgprot_val(newprot);
+	pmd_val(pmd) = (pmd_val(pmd) & (_PAGE_CHG_MASK | _PAGE_HUGE)) |
+		       (pgprot_val(newprot) & ~_PAGE_CHG_MASK);
 	return pmd;
 }
 
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index 041153f5c..7e78b6208 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -63,7 +63,11 @@ extern unsigned int vced_count, vcei_count;
  * 8192EB ...
  */
 #define TASK_SIZE32	0x7fff8000UL
-#define TASK_SIZE64	0x10000000000UL
+#ifdef CONFIG_MIPS_VA_BITS_48
+#define TASK_SIZE64     (0x1UL << ((cpu_data[0].vmbits>48)?48:cpu_data[0].vmbits))
+#else
+#define TASK_SIZE64     0x10000000000UL
+#endif
 #define TASK_SIZE (test_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE64)
 #define STACK_TOP_MAX	TASK_SIZE64
 
@@ -355,6 +359,10 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
  */
 extern void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long sp);
 
+static inline void flush_thread(void)
+{
+}
+
 unsigned long get_wchan(struct task_struct *p);
 
 #define __KSTK_TOS(tsk) ((unsigned long)task_stack_page(tsk) + \
diff --git a/arch/mips/include/asm/seccomp.h b/arch/mips/include/asm/seccomp.h
index 1d8a2e2c7..684fb3a12 100644
--- a/arch/mips/include/asm/seccomp.h
+++ b/arch/mips/include/asm/seccomp.h
@@ -2,27 +2,32 @@
 
 #include <linux/unistd.h>
 
-/*
- * Kludge alert:
- *
- * The generic seccomp code currently allows only a single compat ABI.	Until
- * this is fixed we priorize O32 as the compat ABI over N32.
- */
-#ifdef CONFIG_MIPS32_O32
-
-#define __NR_seccomp_read_32		4003
-#define __NR_seccomp_write_32		4004
-#define __NR_seccomp_exit_32		4001
-#define __NR_seccomp_sigreturn_32	4193	/* rt_sigreturn */
-
-#elif defined(CONFIG_MIPS32_N32)
-
-#define __NR_seccomp_read_32		6000
-#define __NR_seccomp_write_32		6001
-#define __NR_seccomp_exit_32		6058
-#define __NR_seccomp_sigreturn_32	6211	/* rt_sigreturn */
-
-#endif /* CONFIG_MIPS32_O32 */
+#ifdef CONFIG_COMPAT
+static inline const int *get_compat_mode1_syscalls(void)
+{
+	static const int syscalls_O32[] = {
+		__NR_O32_Linux + 3, __NR_O32_Linux + 4,
+		__NR_O32_Linux + 1, __NR_O32_Linux + 193,
+		0, /* null terminated */
+	};
+	static const int syscalls_N32[] = {
+		__NR_N32_Linux + 0, __NR_N32_Linux + 1,
+		__NR_N32_Linux + 58, __NR_N32_Linux + 211,
+		0, /* null terminated */
+	};
+
+	if (config_enabled(CONFIG_MIPS32_O32) && test_thread_flag(TIF_32BIT_REGS))
+		return syscalls_O32;
+
+	if (config_enabled(CONFIG_MIPS32_N32))
+		return syscalls_N32;
+
+	BUG();
+}
+
+#define get_compat_mode1_syscalls get_compat_mode1_syscalls
+
+#endif /* CONFIG_COMPAT */
 
 #include <asm-generic/seccomp.h>
 
diff --git a/arch/mips/include/asm/sgi/hpc3.h b/arch/mips/include/asm/sgi/hpc3.h
index 4a9c99050..c0e3dc029 100644
--- a/arch/mips/include/asm/sgi/hpc3.h
+++ b/arch/mips/include/asm/sgi/hpc3.h
@@ -39,7 +39,7 @@ struct hpc3_pbus_dmacregs {
 	volatile u32 pbdma_dptr;	/* pbus dma channel desc ptr */
 	u32 _unused0[0x1000/4 - 2];	/* padding */
 	volatile u32 pbdma_ctrl;	/* pbus dma channel control register has
-					 * copletely different meaning for read
+					 * completely different meaning for read
 					 * compared with write */
 	/* read */
 #define HPC3_PDMACTRL_INT	0x00000001 /* interrupt (cleared after read) */
diff --git a/arch/mips/include/asm/sibyte/bcm1480_regs.h b/arch/mips/include/asm/sibyte/bcm1480_regs.h
index ec0dacf6f..32a84837b 100644
--- a/arch/mips/include/asm/sibyte/bcm1480_regs.h
+++ b/arch/mips/include/asm/sibyte/bcm1480_regs.h
@@ -415,8 +415,8 @@
 					(cpu)*BCM1480_IMR_ALIAS_MAILBOX_SPACING)
 #define A_BCM1480_IMR_ALIAS_MAILBOX_REGISTER(cpu, reg) (A_BCM1480_IMR_ALIAS_MAILBOX(cpu)+(reg))
 
-#define R_BCM1480_IMR_ALIAS_MAILBOX_0		0x0000		/* 0x0x0 */
-#define R_BCM1480_IMR_ALIAS_MAILBOX_0_SET	0x0008		/* 0x0x8 */
+#define R_BCM1480_IMR_ALIAS_MAILBOX_0		0x0000
+#define R_BCM1480_IMR_ALIAS_MAILBOX_0_SET	0x0008
 
 /*
  * these macros work together to build the address of a mailbox
diff --git a/arch/mips/include/asm/signal.h b/arch/mips/include/asm/signal.h
index 003e273ef..2292373ff 100644
--- a/arch/mips/include/asm/signal.h
+++ b/arch/mips/include/asm/signal.h
@@ -11,11 +11,17 @@
 
 #include <uapi/asm/signal.h>
 
+#ifdef CONFIG_MIPS32_COMPAT
+extern struct mips_abi mips_abi_32;
 
-#ifdef CONFIG_TRAD_SIGNALS
-#define sig_uses_siginfo(ka)	((ka)->sa.sa_flags & SA_SIGINFO)
+#define sig_uses_siginfo(ka, abi)                               \
+	((abi != &mips_abi_32) ? 1 :                            \
+		((ka)->sa.sa_flags & SA_SIGINFO))
 #else
-#define sig_uses_siginfo(ka)	(1)
+#define sig_uses_siginfo(ka, abi)                               \
+	(config_enabled(CONFIG_64BIT) ? 1 :                     \
+		(config_enabled(CONFIG_TRAD_SIGNALS) ?          \
+			((ka)->sa.sa_flags & SA_SIGINFO) : 1) )
 #endif
 
 #include <asm/sigcontext.h>
diff --git a/arch/mips/include/asm/smp-cps.h b/arch/mips/include/asm/smp-cps.h
index 326c16ebd..2ae1f61a4 100644
--- a/arch/mips/include/asm/smp-cps.h
+++ b/arch/mips/include/asm/smp-cps.h
@@ -29,7 +29,7 @@ extern struct core_boot_config *mips_cps_core_bootcfg;
 extern void mips_cps_core_entry(void);
 extern void mips_cps_core_init(void);
 
-extern struct vpe_boot_config *mips_cps_boot_vpes(void);
+extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe);
 
 extern void mips_cps_pm_save(void);
 extern void mips_cps_pm_restore(void);
diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h
index fc1cdd25f..b6ecfeee4 100644
--- a/arch/mips/include/asm/uasm.h
+++ b/arch/mips/include/asm/uasm.h
@@ -171,7 +171,8 @@ Ip_u2u1(_wsbh);
 Ip_u3u1u2(_xor);
 Ip_u2u1u3(_xori);
 Ip_u2u1(_yield);
-
+Ip_u1u2(_ldpte);
+Ip_u2u1u3(_lddir);
 
 /* Handle labels. */
 struct uasm_label {
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h
index ddea53e3a..8051f9aa1 100644
--- a/arch/mips/include/uapi/asm/inst.h
+++ b/arch/mips/include/uapi/asm/inst.h
@@ -167,6 +167,7 @@ enum cop1_sdw_func {
 	fceill_op    =	0x0a, ffloorl_op   =  0x0b,
 	fround_op    =	0x0c, ftrunc_op	   =  0x0d,
 	fceil_op     =	0x0e, ffloor_op	   =  0x0f,
+	fsel_op      =  0x10,
 	fmovc_op     =	0x11, fmovz_op	   =  0x12,
 	fmovn_op     =	0x13, fseleqz_op   =  0x14,
 	frecip_op    =  0x15, frsqrt_op    =  0x16,
@@ -204,6 +205,16 @@ enum mad_func {
 };
 
 /*
+ * func field for page table walker (Loongson-3).
+ */
+enum ptw_func {
+	lwdir_op = 0x00,
+	lwpte_op = 0x01,
+	lddir_op = 0x02,
+	ldpte_op = 0x03,
+};
+
+/*
  * func field for special3 lx opcodes (Cavium Octeon).
  */
 enum lx_func {
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index 934b15b5b..258fd03c9 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -39,8 +39,6 @@
 
 #include "clock.h"
 
-static bool is_avt2;
-
 /* GPIOs */
 #define QI_LB60_GPIO_SD_CD		JZ_GPIO_PORTD(0)
 #define QI_LB60_GPIO_SD_VCC_EN_N	JZ_GPIO_PORTD(2)
@@ -50,20 +48,6 @@ static bool is_avt2;
 #define QI_LB60_GPIO_KEYIN8		JZ_GPIO_PORTD(26)
 
 /* NAND */
-static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
-	.eccbytes = 36,
-	.eccpos = {
-		6,  7,	8,  9,	10, 11, 12, 13,
-		14, 15, 16, 17, 18, 19, 20, 21,
-		22, 23, 24, 25, 26, 27, 28, 29,
-		30, 31, 32, 33, 34, 35, 36, 37,
-		38, 39, 40, 41
-	},
-	.oobfree = {
-		{ .offset = 2, .length = 4 },
-		{ .offset = 42, .length = 22 }
-	},
-};
 
 /* Early prototypes of the QI LB60 had only 1GB of NAND.
  * In order to support these devices as well the partition and ecc layout is
@@ -86,25 +70,6 @@ static struct mtd_partition qi_lb60_partitions_1gb[] = {
 	},
 };
 
-static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
-	.eccbytes = 72,
-	.eccpos = {
-		12, 13, 14, 15, 16, 17, 18, 19,
-		20, 21, 22, 23, 24, 25, 26, 27,
-		28, 29, 30, 31, 32, 33, 34, 35,
-		36, 37, 38, 39, 40, 41, 42, 43,
-		44, 45, 46, 47, 48, 49, 50, 51,
-		52, 53, 54, 55, 56, 57, 58, 59,
-		60, 61, 62, 63, 64, 65, 66, 67,
-		68, 69, 70, 71, 72, 73, 74, 75,
-		76, 77, 78, 79, 80, 81, 82, 83
-	},
-	.oobfree = {
-		{ .offset = 2, .length = 10 },
-		{ .offset = 84, .length = 44 },
-	},
-};
-
 static struct mtd_partition qi_lb60_partitions_2gb[] = {
 	{
 		.name = "NAND BOOT partition",
@@ -123,19 +88,67 @@ static struct mtd_partition qi_lb60_partitions_2gb[] = {
 	},
 };
 
+static int qi_lb60_ooblayout_ecc(struct mtd_info *mtd, int section,
+				 struct mtd_oob_region *oobregion)
+{
+	if (section)
+		return -ERANGE;
+
+	oobregion->length = 36;
+	oobregion->offset = 6;
+
+	if (mtd->oobsize == 128) {
+		oobregion->length *= 2;
+		oobregion->offset *= 2;
+	}
+
+	return 0;
+}
+
+static int qi_lb60_ooblayout_free(struct mtd_info *mtd, int section,
+				  struct mtd_oob_region *oobregion)
+{
+	int eccbytes = 36, eccoff = 6;
+
+	if (section > 1)
+		return -ERANGE;
+
+	if (mtd->oobsize == 128) {
+		eccbytes *= 2;
+		eccoff *= 2;
+	}
+
+	if (!section) {
+		oobregion->offset = 2;
+		oobregion->length = eccoff - 2;
+	} else {
+		oobregion->offset = eccoff + eccbytes;
+		oobregion->length = mtd->oobsize - oobregion->offset;
+	}
+
+	return 0;
+}
+
+static const struct mtd_ooblayout_ops qi_lb60_ooblayout_ops = {
+	.ecc = qi_lb60_ooblayout_ecc,
+	.free = qi_lb60_ooblayout_free,
+};
+
 static void qi_lb60_nand_ident(struct platform_device *pdev,
-		struct nand_chip *chip, struct mtd_partition **partitions,
+		struct mtd_info *mtd, struct mtd_partition **partitions,
 		int *num_partitions)
 {
+	struct nand_chip *chip = mtd_to_nand(mtd);
+
 	if (chip->page_shift == 12) {
-		chip->ecc.layout = &qi_lb60_ecclayout_2gb;
 		*partitions = qi_lb60_partitions_2gb;
 		*num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
 	} else {
-		chip->ecc.layout = &qi_lb60_ecclayout_1gb;
 		*partitions = qi_lb60_partitions_1gb;
 		*num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
 	}
+
+	mtd_set_ooblayout(mtd, &qi_lb60_ooblayout_ops);
 }
 
 static struct jz_nand_platform_data qi_lb60_nand_pdata = {
@@ -367,43 +380,12 @@ static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
 	.power_active_low	= 1,
 };
 
-/* OHCI */
-static struct regulator_consumer_supply avt2_usb_regulator_consumer =
-	REGULATOR_SUPPLY("vbus", "jz4740-ohci");
-
-static struct regulator_init_data avt2_usb_regulator_init_data = {
-	.num_consumer_supplies = 1,
-	.consumer_supplies = &avt2_usb_regulator_consumer,
-	.constraints = {
-		.name = "USB power",
-		.min_uV = 5000000,
-		.max_uV = 5000000,
-		.valid_modes_mask = REGULATOR_MODE_NORMAL,
-		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
-	},
-};
-
-static struct fixed_voltage_config avt2_usb_regulator_data = {
-	.supply_name = "USB power",
-	.microvolts = 5000000,
-	.gpio = JZ_GPIO_PORTB(17),
-	.init_data = &avt2_usb_regulator_init_data,
-};
-
-static struct platform_device avt2_usb_regulator_device = {
-	.name = "reg-fixed-voltage",
-	.id = -1,
-	.dev = {
-		.platform_data = &avt2_usb_regulator_data,
-	}
-};
-
+/* beeper */
 static struct pwm_lookup qi_lb60_pwm_lookup[] = {
 	PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0,
 		   PWM_POLARITY_NORMAL),
 };
 
-/* beeper */
 static struct platform_device qi_lb60_pwm_beeper = {
 	.name = "pwm-beeper",
 	.id = -1,
@@ -487,11 +469,6 @@ static int __init qi_lb60_init_platform_devices(void)
 	spi_register_board_info(qi_lb60_spi_board_info,
 				ARRAY_SIZE(qi_lb60_spi_board_info));
 
-	if (is_avt2) {
-		platform_device_register(&avt2_usb_regulator_device);
-		platform_device_register(&jz4740_usb_ohci_device);
-	}
-
 	pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup));
 
 	return platform_add_devices(jz_platform_devices,
@@ -499,19 +476,9 @@ static int __init qi_lb60_init_platform_devices(void)
 
 }
 
-static __init int board_avt2(char *str)
-{
-	qi_lb60_mmc_pdata.card_detect_active_low = 1;
-	is_avt2 = true;
-
-	return 1;
-}
-__setup("avt2", board_avt2);
-
 static int __init qi_lb60_board_setup(void)
 {
-	printk(KERN_INFO "Qi Hardware JZ4740 QI %s setup\n",
-		is_avt2 ? "AVT2" : "LB60");
+	printk(KERN_INFO "Qi Hardware JZ4740 QI LB60 setup\n");
 
 	board_gpio_setup();
 
diff --git a/arch/mips/jz4740/platform.c b/arch/mips/jz4740/platform.c
index e8a463b9b..2f1dab35c 100644
--- a/arch/mips/jz4740/platform.c
+++ b/arch/mips/jz4740/platform.c
@@ -32,31 +32,6 @@
 
 #include "clock.h"
 
-/* OHCI controller */
-static struct resource jz4740_usb_ohci_resources[] = {
-	{
-		.start	= JZ4740_UHC_BASE_ADDR,
-		.end	= JZ4740_UHC_BASE_ADDR + 0x1000 - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	{
-		.start	= JZ4740_IRQ_UHC,
-		.end	= JZ4740_IRQ_UHC,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-struct platform_device jz4740_usb_ohci_device = {
-	.name		= "jz4740-ohci",
-	.id		= -1,
-	.dev = {
-		.dma_mask = &jz4740_usb_ohci_device.dev.coherent_dma_mask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
-	},
-	.num_resources	= ARRAY_SIZE(jz4740_usb_ohci_resources),
-	.resource	= jz4740_usb_ohci_resources,
-};
-
 /* USB Device Controller */
 struct platform_device jz4740_udc_xceiv_device = {
 	.name = "usb_phy_generic",
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index b0988fd62..e6053d070 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -44,7 +44,7 @@ obj-$(CONFIG_CPU_CAVIUM_OCTEON)	+= r4k_fpu.o octeon_switch.o
 
 obj-$(CONFIG_SMP)		+= smp.o
 obj-$(CONFIG_SMP_UP)		+= smp-up.o
-obj-$(CONFIG_CPU_BMIPS)		+= smp-bmips.o bmips_vec.o
+obj-$(CONFIG_CPU_BMIPS)		+= smp-bmips.o bmips_vec.o bmips_5xxx_init.o
 
 obj-$(CONFIG_MIPS_MT)		+= mips-mt.o
 obj-$(CONFIG_MIPS_MT_FPAFF)	+= mips-mt-fpaff.o
@@ -83,6 +83,8 @@ obj-$(CONFIG_I8253)		+= i8253.o
 
 obj-$(CONFIG_GPIO_TXX9)		+= gpio_txx9.o
 
+obj-$(CONFIG_RELOCATABLE)	+= relocate.o
+
 obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o crash.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index 154e2039e..1ea973b2a 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -14,6 +14,7 @@
 #include <linux/mm.h>
 #include <linux/kbuild.h>
 #include <linux/suspend.h>
+#include <asm/cpu-info.h>
 #include <asm/pm.h>
 #include <asm/ptrace.h>
 #include <asm/processor.h>
@@ -338,6 +339,15 @@ void output_pm_defines(void)
 }
 #endif
 
+void output_cpuinfo_defines(void)
+{
+	COMMENT(" MIPS cpuinfo offsets. ");
+	DEFINE(CPUINFO_SIZE, sizeof(struct cpuinfo_mips));
+#ifdef CONFIG_MIPS_ASID_BITS_VARIABLE
+	OFFSET(CPUINFO_ASID_MASK, cpuinfo_mips, asid_mask);
+#endif
+}
+
 void output_kvm_defines(void)
 {
 	COMMENT(" KVM/MIPS Specfic offsets. ");
diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c
index 1b992c6e3..58ad63d7e 100644
--- a/arch/mips/kernel/binfmt_elfn32.c
+++ b/arch/mips/kernel/binfmt_elfn32.c
@@ -30,21 +30,7 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
 /*
  * This is used to ensure we don't load something for the wrong architecture.
  */
-#define elf_check_arch(hdr)						\
-({									\
-	int __res = 1;							\
-	struct elfhdr *__h = (hdr);					\
-									\
-	if (!mips_elf_check_machine(__h))				\
-		__res = 0;						\
-	if (__h->e_ident[EI_CLASS] != ELFCLASS32)			\
-		__res = 0;						\
-	if (((__h->e_flags & EF_MIPS_ABI2) == 0) ||			\
-	    ((__h->e_flags & EF_MIPS_ABI) != 0))			\
-		__res = 0;						\
-									\
-	__res;								\
-})
+#define elf_check_arch elfn32_check_arch
 
 #define TASK32_SIZE		0x7fff8000UL
 #undef ELF_ET_DYN_BASE
diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c
index abd3affe5..49fb88148 100644
--- a/arch/mips/kernel/binfmt_elfo32.c
+++ b/arch/mips/kernel/binfmt_elfo32.c
@@ -28,39 +28,9 @@ typedef double elf_fpreg_t;
 typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
 
 /*
- * In order to be sure that we don't attempt to execute an O32 binary which
- * requires 64 bit FP (FR=1) on a system which does not support it we refuse
- * to execute any binary which has bits specified by the following macro set
- * in its ELF header flags.
- */
-#ifdef CONFIG_MIPS_O32_FP64_SUPPORT
-# define __MIPS_O32_FP64_MUST_BE_ZERO	0
-#else
-# define __MIPS_O32_FP64_MUST_BE_ZERO	EF_MIPS_FP64
-#endif
-
-/*
  * This is used to ensure we don't load something for the wrong architecture.
  */
-#define elf_check_arch(hdr)						\
-({									\
-	int __res = 1;							\
-	struct elfhdr *__h = (hdr);					\
-									\
-	if (!mips_elf_check_machine(__h))				\
-		__res = 0;						\
-	if (__h->e_ident[EI_CLASS] != ELFCLASS32)			\
-		__res = 0;						\
-	if ((__h->e_flags & EF_MIPS_ABI2) != 0)				\
-		__res = 0;						\
-	if (((__h->e_flags & EF_MIPS_ABI) != 0) &&			\
-	    ((__h->e_flags & EF_MIPS_ABI) != EF_MIPS_ABI_O32))		\
-		__res = 0;						\
-	if (__h->e_flags & __MIPS_O32_FP64_MUST_BE_ZERO)		\
-		__res = 0;						\
-									\
-	__res;								\
-})
+#define elf_check_arch elfo32_check_arch
 
 #ifdef CONFIG_KVM_GUEST
 #define TASK32_SIZE		0x3fff8000UL
diff --git a/arch/mips/kernel/bmips_5xxx_init.S b/arch/mips/kernel/bmips_5xxx_init.S
new file mode 100644
index 000000000..adaa82e00
--- /dev/null
+++ b/arch/mips/kernel/bmips_5xxx_init.S
@@ -0,0 +1,753 @@
+
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2011-2012 by Broadcom Corporation
+ *
+ * Init for bmips 5000.
+ * Used to init second core in dual core 5000's.
+ */
+
+#include <linux/init.h>
+
+#include <asm/asm.h>
+#include <asm/asmmacro.h>
+#include <asm/cacheops.h>
+#include <asm/regdef.h>
+#include <asm/mipsregs.h>
+#include <asm/stackframe.h>
+#include <asm/addrspace.h>
+#include <asm/hazards.h>
+#include <asm/bmips.h>
+
+#ifdef CONFIG_CPU_BMIPS5000
+
+
+#define cacheop(kva, size, linesize, op) 	\
+	.set noreorder			;	\
+	addu		t1, kva, size	;	\
+	subu		t2, linesize, 1	;	\
+	not		t2		;	\
+	and		t0, kva, t2	;	\
+	addiu		t1, t1, -1	;	\
+	and		t1, t2		;	\
+9:	cache		op, 0(t0)	;	\
+	bne		t0, t1, 9b	;	\
+	 addu		t0, linesize	;	\
+	.set reorder			;
+
+
+
+#define	IS_SHIFT	22
+#define	IL_SHIFT	19
+#define	IA_SHIFT	16
+#define	DS_SHIFT	13
+#define	DL_SHIFT	10
+#define	DA_SHIFT	 7
+#define	IS_MASK		 7
+#define	IL_MASK		 7
+#define	IA_MASK		 7
+#define	DS_MASK		 7
+#define	DL_MASK		 7
+#define	DA_MASK		 7
+#define	ICE_MASK	0x80000000
+#define	DCE_MASK	0x40000000
+
+#define CP0_BRCM_CONFIG0	$22, 0
+#define CP0_BRCM_MODE		$22, 1
+#define	CP0_CONFIG_K0_MASK	7
+
+#define CP0_ICACHE_TAG_LO	$28
+#define CP0_ICACHE_DATA_LO	$28, 1
+#define CP0_DCACHE_TAG_LO	$28, 2
+#define CP0_D_SEC_CACHE_DATA_LO	$28, 3
+#define CP0_ICACHE_TAG_HI	$29
+#define CP0_ICACHE_DATA_HI	$29, 1
+#define CP0_DCACHE_TAG_HI	$29, 2
+
+#define CP0_BRCM_MODE_Luc_MASK		(1 << 11)
+#define	CP0_BRCM_CONFIG0_CWF_MASK	(1 << 20)
+#define	CP0_BRCM_CONFIG0_TSE_MASK	(1 << 19)
+#define CP0_BRCM_MODE_SET_MASK		(1 << 7)
+#define CP0_BRCM_MODE_ClkRATIO_MASK	(7 << 4)
+#define CP0_BRCM_MODE_BrPRED_MASK 	(3 << 24)
+#define CP0_BRCM_MODE_BrPRED_SHIFT	24
+#define CP0_BRCM_MODE_BrHIST_MASK 	(0x1f << 20)
+#define CP0_BRCM_MODE_BrHIST_SHIFT	20
+
+/* ZSC L2 Cache Register Access Register Definitions */
+#define BRCM_ZSC_ALL_REGS_SELECT		0x7 << 24
+
+#define BRCM_ZSC_CONFIG_REG			0 << 3
+#define BRCM_ZSC_REQ_BUFFER_REG			2 << 3
+#define BRCM_ZSC_RBUS_ADDR_MAPPING_REG0		4 << 3
+#define BRCM_ZSC_RBUS_ADDR_MAPPING_REG1		6 << 3
+#define BRCM_ZSC_RBUS_ADDR_MAPPING_REG2		8 << 3
+
+#define BRCM_ZSC_SCB0_ADDR_MAPPING_REG0		0xa << 3
+#define BRCM_ZSC_SCB0_ADDR_MAPPING_REG1		0xc << 3
+
+#define BRCM_ZSC_SCB1_ADDR_MAPPING_REG0		0xe << 3
+#define BRCM_ZSC_SCB1_ADDR_MAPPING_REG1		0x10 << 3
+
+#define BRCM_ZSC_CONFIG_LMB1En			1 << (15)
+#define BRCM_ZSC_CONFIG_LMB0En			1 << (14)
+
+/* branch predition values */
+
+#define BRCM_BrPRED_ALL_TAKEN		(0x0)
+#define BRCM_BrPRED_ALL_NOT_TAKEN	(0x1)
+#define BRCM_BrPRED_BHT_ENABLE		(0x2)
+#define BRCM_BrPRED_PREDICT_BACKWARD	(0x3)
+
+
+
+.align 2
+/*
+ * Function: 	size_i_cache
+ * Arguments: 	None
+ * Returns:	v0 = i cache size, v1 = I cache line size
+ * Description: compute the I-cache size and I-cache line size
+ * Trashes:	v0, v1, a0, t0
+ *
+ *	pseudo code:
+ *
+ */
+
+LEAF(size_i_cache)
+	.set	noreorder
+
+	mfc0	a0, CP0_CONFIG, 1
+	move	t0, a0
+
+	/*
+	 * Determine sets per way: IS
+	 *
+	 * This field contains the number of sets (i.e., indices) per way of
+	 * the instruction cache:
+	 * i) 0x0: 64, ii) 0x1: 128, iii) 0x2: 256, iv) 0x3: 512, v) 0x4: 1k
+	 * vi) 0x5 - 0x7: Reserved.
+	 */
+
+	srl	a0, a0, IS_SHIFT
+	and	a0, a0, IS_MASK
+
+	/* sets per way = (64<<IS) */
+
+	li	v0, 0x40
+	sllv	v0, v0, a0
+
+	/*
+	 * Determine line size
+	 *
+	 * This field contains the line size of the instruction cache:
+	 * i) 0x0: No I-cache present, i) 0x3: 16 bytes, ii) 0x4: 32 bytes, iii)
+	 * 0x5: 64 bytes, iv) the rest: Reserved.
+	 */
+
+	move	a0, t0
+
+	srl	a0, a0, IL_SHIFT
+	and	a0, a0, IL_MASK
+
+	beqz	a0, no_i_cache
+	nop
+
+	/* line size = 2 ^ (IL+1) */
+
+	addi	a0, a0, 1
+	li	v1, 1
+	sll	v1, v1, a0
+
+	/* v0 now have sets per way, multiply it by line size now
+	 * that will give the set size
+	 */
+
+	sll	v0, v0, a0
+
+	/*
+	 * Determine set associativity
+	 *
+	 * This field contains the set associativity of the instruction cache.
+	 * i) 0x0: Direct mapped, ii) 0x1: 2-way, iii) 0x2: 3-way, iv) 0x3:
+	 * 4-way, v) 0x4 - 0x7: Reserved.
+	 */
+
+	move	a0, t0
+
+	srl	a0, a0, IA_SHIFT
+	and	a0, a0, IA_MASK
+	addi	a0, a0, 0x1
+
+	/* v0 has the set size, multiply it by
+	 * set associativiy, to get the cache size
+	 */
+
+	multu	v0, a0	/*multu is interlocked, so no need to insert nops */
+	mflo	v0
+	b	1f
+	nop
+
+no_i_cache:
+	move	v0, zero
+	move	v1, zero
+1:
+	jr	ra
+	nop
+	.set	reorder
+
+END(size_i_cache)
+
+/*
+ * Function: 	size_d_cache
+ * Arguments: 	None
+ * Returns:	v0 = d cache size, v1 = d cache line size
+ * Description: compute the D-cache size and D-cache line size.
+ * Trashes:	v0, v1, a0, t0
+ *
+ */
+
+LEAF(size_d_cache)
+	.set	noreorder
+
+	mfc0	a0, CP0_CONFIG, 1
+	move	t0, a0
+
+	/*
+	 * Determine sets per way: IS
+	 *
+	 * This field contains the number of sets (i.e., indices) per way of
+	 * the instruction cache:
+	 * i) 0x0: 64, ii) 0x1: 128, iii) 0x2: 256, iv) 0x3: 512, v) 0x4: 1k
+	 * vi) 0x5 - 0x7: Reserved.
+	 */
+
+	srl	a0, a0, DS_SHIFT
+	and	a0, a0, DS_MASK
+
+	/* sets per way = (64<<IS) */
+
+	li	v0, 0x40
+	sllv	v0, v0, a0
+
+	/*
+	 * Determine line size
+	 *
+	 * This field contains the line size of the instruction cache:
+	 * i) 0x0: No I-cache present, i) 0x3: 16 bytes, ii) 0x4: 32 bytes, iii)
+	 * 0x5: 64 bytes, iv) the rest: Reserved.
+	 */
+	move	a0, t0
+
+	srl	a0, a0, DL_SHIFT
+	and	a0, a0, DL_MASK
+
+	beqz	a0, no_d_cache
+	nop
+
+	/* line size = 2 ^ (IL+1) */
+
+	addi	a0, a0, 1
+	li	v1, 1
+	sll	v1, v1, a0
+
+	/* v0 now have sets per way, multiply it by line size now
+	 * that will give the set size
+	 */
+
+	sll	v0, v0, a0
+
+	/* determine set associativity
+	 *
+	 * This field contains the set associativity of the instruction cache.
+	 * i) 0x0: Direct mapped, ii) 0x1: 2-way, iii) 0x2: 3-way, iv) 0x3:
+	 * 4-way, v) 0x4 - 0x7: Reserved.
+	 */
+
+	move	a0, t0
+
+	srl	a0, a0, DA_SHIFT
+	and	a0, a0, DA_MASK
+	addi	a0, a0, 0x1
+
+	/* v0 has the set size, multiply it by
+	 * set associativiy, to get the cache size
+	 */
+
+	multu	v0, a0	/*multu is interlocked, so no need to insert nops */
+	mflo	v0
+
+	b	1f
+	nop
+
+no_d_cache:
+	move	v0, zero
+	move	v1, zero
+1:
+	jr	ra
+	nop
+	.set	reorder
+
+END(size_d_cache)
+
+
+/*
+ * Function: enable_ID
+ * Arguments: 	None
+ * Returns:	None
+ * Description: Enable I and D caches, initialize I and D-caches, also set
+ *		hardware delay for d-cache (TP0).
+ * Trashes:	t0
+ *
+ */
+	.global	enable_ID
+	.ent	enable_ID
+	.set	noreorder
+enable_ID:
+	mfc0	t0, CP0_BRCM_CONFIG0
+	or	t0, t0, (ICE_MASK | DCE_MASK)
+	mtc0	t0, CP0_BRCM_CONFIG0
+	jr	ra
+	nop
+
+	.end	enable_ID
+	.set	reorder
+
+
+/*
+ * Function: l1_init
+ * Arguments: 	None
+ * Returns:	None
+ * Description: Enable I and D caches, and initialize I and D-caches
+ * Trashes:	a0, v0, v1, t0, t1, t2, t8
+ *
+ */
+	.globl	l1_init
+	.ent	l1_init
+	.set	noreorder
+l1_init:
+
+	/* save return address */
+	move	t8, ra
+
+
+	/* initialize I and D cache Data and Tag registers.  */
+	mtc0	zero, CP0_ICACHE_TAG_LO
+	mtc0	zero, CP0_ICACHE_TAG_HI
+	mtc0	zero, CP0_ICACHE_DATA_LO
+	mtc0	zero, CP0_ICACHE_DATA_HI
+	mtc0	zero, CP0_DCACHE_TAG_LO
+	mtc0	zero, CP0_DCACHE_TAG_HI
+
+	/* Enable Caches before Clearing. If the caches are disabled
+	 * then the cache operations to clear the cache will be ignored
+	 */
+
+	jal	enable_ID
+	nop
+
+	jal	size_i_cache	/* v0 = i-cache size, v1 = i-cache line size */
+	nop
+
+	/* run uncached in kseg 1 */
+	la	k0, 1f
+	lui	k1, 0x2000
+	or	k0, k1, k0
+	jr	k0
+	nop
+1:
+
+	/*
+	 * set K0 cache mode
+	 */
+
+	mfc0	t0, CP0_CONFIG
+	and	t0, t0, ~CP0_CONFIG_K0_MASK
+	or	t0, t0, 3	/* Write Back mode */
+	mtc0	t0, CP0_CONFIG
+
+	/*
+	 * Initialize instruction cache.
+	 */
+
+	li	a0, KSEG0
+	cacheop(a0, v0, v1, Index_Store_Tag_I)
+
+	/*
+	 * Now we can run from I-$, kseg 0
+	 */
+	la	k0, 1f
+	lui	k1, 0x2000
+	or	k0, k1, k0
+	xor	k0, k1, k0
+	jr	k0
+	nop
+1:
+	/*
+	 * Initialize data cache.
+	 */
+
+	jal	size_d_cache	/* v0 = d-cache size, v1 = d-cache line size */
+	nop
+
+
+	li	a0, KSEG0
+	cacheop(a0, v0, v1, Index_Store_Tag_D)
+
+	jr	t8
+	nop
+
+	.end 	l1_init
+	.set	reorder
+
+
+/*
+ * Function: 	set_other_config
+ * Arguments:	none
+ * Returns:	None
+ * Description: initialize other remainder configuration to defaults.
+ * Trashes:	t0, t1
+ *
+ *	pseudo code:
+ *
+ */
+LEAF(set_other_config)
+	.set noreorder
+
+	/* enable Bus error for I-fetch */
+	mfc0	t0, CP0_CACHEERR, 0
+	li	t1, 0x4
+	or	t0, t1
+	mtc0	t0, CP0_CACHEERR, 0
+
+	/* enable Bus error for Load */
+	mfc0	t0, CP0_CACHEERR, 1
+	li	t1, 0x4
+	or	t0, t1
+	mtc0	t0, CP0_CACHEERR, 1
+
+	/* enable Bus Error for Store */
+	mfc0	t0, CP0_CACHEERR, 2
+	li	t1, 0x4
+	or	t0, t1
+	mtc0	t0, CP0_CACHEERR, 2
+
+	jr	ra
+	nop
+	.set reorder
+END(set_other_config)
+
+/*
+ * Function: 	set_branch_pred
+ * Arguments:	none
+ * Returns:	None
+ * Description:
+ * Trashes:	t0, t1
+ *
+ *	pseudo code:
+ *
+ */
+
+LEAF(set_branch_pred)
+	.set noreorder
+	mfc0	t0, CP0_BRCM_MODE
+	li	t1, ~(CP0_BRCM_MODE_BrPRED_MASK | CP0_BRCM_MODE_BrHIST_MASK )
+	and	t0, t0, t1
+
+	/* enable Branch prediction */
+	li	t1, BRCM_BrPRED_BHT_ENABLE
+	sll	t1, CP0_BRCM_MODE_BrPRED_SHIFT
+	or	t0, t0, t1
+
+	/* set history count to 8 */
+	li	t1, 8
+	sll	t1, CP0_BRCM_MODE_BrHIST_SHIFT
+	or	t0, t0, t1
+
+	mtc0	t0, CP0_BRCM_MODE
+	jr	ra
+	nop
+	.set	reorder
+END(set_branch_pred)
+
+
+/*
+ * Function: 	set_luc
+ * Arguments:	set link uncached.
+ * Returns:	None
+ * Description:
+ * Trashes:	t0, t1
+ *
+ */
+LEAF(set_luc)
+	.set noreorder
+	mfc0	t0, CP0_BRCM_MODE
+	li	t1, ~(CP0_BRCM_MODE_Luc_MASK)
+	and	t0, t0, t1
+
+	/* set Luc */
+	ori	t0, t0, CP0_BRCM_MODE_Luc_MASK
+
+	mtc0	t0, CP0_BRCM_MODE
+	jr	ra
+	nop
+	.set	reorder
+END(set_luc)
+
+/*
+ * Function: 	set_cwf_tse
+ * Arguments:	set CWF and TSE bits
+ * Returns:	None
+ * Description:
+ * Trashes:	t0, t1
+ *
+ */
+LEAF(set_cwf_tse)
+	.set noreorder
+	mfc0	t0, CP0_BRCM_CONFIG0
+	li	t1, (CP0_BRCM_CONFIG0_CWF_MASK | CP0_BRCM_CONFIG0_TSE_MASK)
+	or	t0, t0, t1
+
+	mtc0	t0, CP0_BRCM_CONFIG0
+	jr	ra
+	nop
+	.set	reorder
+END(set_cwf_tse)
+
+/*
+ * Function: 	set_clock_ratio
+ * Arguments:	set clock ratio specified by a0
+ * Returns:	None
+ * Description:
+ * Trashes:	v0, v1, a0, a1
+ *
+ *	pseudo code:
+ *
+ */
+LEAF(set_clock_ratio)
+	.set noreorder
+
+	mfc0	t0, CP0_BRCM_MODE
+	li	t1, ~(CP0_BRCM_MODE_SET_MASK | CP0_BRCM_MODE_ClkRATIO_MASK)
+	and	t0, t0, t1
+	li	t1, CP0_BRCM_MODE_SET_MASK
+	or	t0, t0, t1
+	or	t0, t0, a0
+	mtc0	t0, CP0_BRCM_MODE
+	jr	ra
+	nop
+	.set	reorder
+END(set_clock_ratio)
+/*
+ * Function: set_zephyr
+ * Arguments:	None
+ * Returns:	None
+ * Description: Set any zephyr bits
+ * Trashes:	t0 & t1
+ *
+ */
+LEAF(set_zephyr)
+	.set	noreorder
+
+	/* enable read/write of CP0 #22 sel. 8 */
+	li	t0, 0x5a455048
+	.word	0x4088b00f	/* mtc0    t0, $22, 15 */
+
+	.word	0x4008b008	/* mfc0    t0, $22, 8 */
+	li	t1, 0x09008000	/* turn off pref, jtb */
+	or	t0, t0, t1
+	.word	0x4088b008	/* mtc0    t0, $22, 8 */
+	sync
+
+	/* disable read/write of CP0 #22 sel 8 */
+	li	t0, 0x0
+	.word	0x4088b00f	/* mtc0    t0, $22, 15 */
+
+
+	jr	ra
+	nop
+	.set reorder
+
+END(set_zephyr)
+
+
+/*
+ * Function:	set_llmb
+ * Arguments:	a0=0 disable llmb, a0=1 enables llmb
+ * Returns:	None
+ * Description:
+ * Trashes:	t0, t1, t2
+ *
+ *      pseudo code:
+ *
+ */
+LEAF(set_llmb)
+	.set noreorder
+
+	li	t2, 0x90000000 | BRCM_ZSC_ALL_REGS_SELECT | BRCM_ZSC_CONFIG_REG
+	sync
+	cache	0x7, 0x0(t2)
+	sync
+	mfc0	t0, CP0_D_SEC_CACHE_DATA_LO
+	li	t1, ~(BRCM_ZSC_CONFIG_LMB1En | BRCM_ZSC_CONFIG_LMB0En)
+	and	t0, t0, t1
+
+	beqz	a0, svlmb
+	nop
+
+enable_lmb:
+	li	t1, (BRCM_ZSC_CONFIG_LMB1En | BRCM_ZSC_CONFIG_LMB0En)
+	or	t0, t0, t1
+
+svlmb:
+	mtc0	t0, CP0_D_SEC_CACHE_DATA_LO
+	sync
+	cache	0xb, 0x0(t2)
+	sync
+
+	jr	ra
+	nop
+	.set reorder
+
+END(set_llmb)
+/*
+ * Function: 	core_init
+ * Arguments:	none
+ * Returns:	None
+ * Description: initialize core related configuration
+ * Trashes:	v0,v1,a0,a1,t8
+ *
+ *	pseudo code:
+ *
+ */
+	.globl	core_init
+	.ent	core_init
+	.set	noreorder
+core_init:
+	move	t8, ra
+
+	/* set Zephyr bits. */
+	bal	set_zephyr
+	nop
+
+#if ENABLE_FPU==1
+	/* initialize the Floating point unit (both TPs) */
+	bal	init_fpu
+	nop
+#endif
+
+	/* set low latency memory bus */
+	li	a0, 1
+	bal	set_llmb
+	nop
+
+	/* set branch prediction (TP0 only) */
+	bal	set_branch_pred
+	nop
+
+	/* set link uncached */
+	bal	set_luc
+	nop
+
+	/* set CWF and TSE */
+	bal	set_cwf_tse
+	nop
+
+	/*
+	 *set clock ratio by setting 1 to 'set'
+	 * and 0 to ClkRatio, (TP0 only)
+	 */
+	li	a0, 0
+	bal	set_clock_ratio
+	nop
+
+	/* set other configuration to defaults */
+	bal	set_other_config
+	nop
+
+	move	ra, t8
+	jr	ra
+	nop
+
+	.set reorder
+	.end	core_init
+
+/*
+ * Function: 	clear_jump_target_buffer
+ * Arguments:	None
+ * Returns:	None
+ * Description:
+ * Trashes:	t0, t1, t2
+ *
+ */
+#define RESET_CALL_RETURN_STACK_THIS_THREAD		(0x06<<16)
+#define RESET_JUMP_TARGET_BUFFER_THIS_THREAD		(0x04<<16)
+#define JTB_CS_CNTL_MASK				(0xFF<<16)
+
+	.globl	clear_jump_target_buffer
+	.ent	clear_jump_target_buffer
+	.set	noreorder
+clear_jump_target_buffer:
+
+	mfc0	t0, $22, 2
+	nop
+	nop
+
+	li	t1, ~JTB_CS_CNTL_MASK
+	and	t0, t0, t1
+	li	t2, RESET_CALL_RETURN_STACK_THIS_THREAD
+	or	t0, t0, t2
+	mtc0	t0, $22, 2
+	nop
+	nop
+
+	and	t0, t0, t1
+	li	t2, RESET_JUMP_TARGET_BUFFER_THIS_THREAD
+	or	t0, t0, t2
+	mtc0	t0, $22, 2
+	nop
+	nop
+	jr	ra
+	nop
+
+	.end	clear_jump_target_buffer
+	.set	reorder
+/*
+ * Function: 	bmips_cache_init
+ * Arguments: 	None
+ * Returns:	None
+ * Description: Enable I and D caches, and initialize I and D-caches
+ * Trashes:	v0, v1, t0, t1, t2, t5, t7, t8
+ *
+ */
+	.globl	bmips_5xxx_init
+	.ent	bmips_5xxx_init
+	.set	noreorder
+bmips_5xxx_init:
+
+	/* save return address and A0 */
+	move	t7, ra
+	move	t5, a0
+
+	jal	l1_init
+	nop
+
+	jal	core_init
+	nop
+
+	jal	clear_jump_target_buffer
+	nop
+
+	mtc0	zero, CP0_CAUSE
+
+	move 	a0, t5
+	jr	t7
+	nop
+
+	.end 	bmips_5xxx_init
+	.set	reorder
+
+
+#endif
diff --git a/arch/mips/kernel/bmips_vec.S b/arch/mips/kernel/bmips_vec.S
index 86495072a..921a5fa55 100644
--- a/arch/mips/kernel/bmips_vec.S
+++ b/arch/mips/kernel/bmips_vec.S
@@ -88,12 +88,13 @@ NESTED(bmips_reset_nmi_vec, PT_SIZE, sp)
 	li	k1, (1 << 19)
 	mfc0	k0, CP0_STATUS
 	and	k0, k1
-	beqz	k0, bmips_smp_entry
+	beqz	k0, soft_reset
 
 #if defined(CONFIG_CPU_BMIPS5000)
 	mfc0	k0, CP0_PRID
 	li	k1, PRID_IMP_BMIPS5000
-	andi	k0, 0xff00
+	/* mask with PRID_IMP_BMIPS5000 to cover both variants */
+	andi	k0, PRID_IMP_BMIPS5000
 	bne	k0, k1, 1f
 
 	/* if we're not on core 0, this must be the SMP boot signal */
@@ -125,13 +126,48 @@ NESTED(bmips_reset_nmi_vec, PT_SIZE, sp)
 	.set	arch=r4000
 	eret
 
+#ifdef CONFIG_SMP
+soft_reset:
+
+#if defined(CONFIG_CPU_BMIPS5000)
+	mfc0	k0, CP0_PRID
+	andi	k0, 0xff00
+	li	k1, PRID_IMP_BMIPS5200
+	bne	k0, k1, bmips_smp_entry
+
+        /* if running on TP 1, jump  to  bmips_smp_entry */
+        mfc0    k0, $22
+        li      k1, (1 << 24)
+        and     k1, k0
+        bnez    k1, bmips_smp_entry
+        nop
+
+        /*
+         * running on TP0, can not be core 0 (the boot core).
+         * Check for soft reset.  Indicates a warm boot
+         */
+        mfc0    k0, $12
+        li      k1, (1 << 20)
+        and     k0, k1
+        beqz    k0, bmips_smp_entry
+
+        /*
+         * Warm boot.
+         * Cache init is only done on TP0
+         */
+        la      k0, bmips_5xxx_init
+        jalr    k0
+        nop
+
+        b       bmips_smp_entry
+        nop
+#endif
+
 /***********************************************************************
  * CPU1 reset vector (used for the initial boot only)
  * This is still part of bmips_reset_nmi_vec().
  ***********************************************************************/
 
-#ifdef CONFIG_SMP
-
 bmips_smp_entry:
 
 	/* set up CP0 STATUS; enable FPU */
@@ -166,10 +202,12 @@ bmips_smp_entry:
 2:
 #endif /* CONFIG_CPU_BMIPS4350 || CONFIG_CPU_BMIPS4380 */
 #if defined(CONFIG_CPU_BMIPS5000)
-	/* set exception vector base */
+	/* mask with PRID_IMP_BMIPS5000 to cover both variants */
 	li	k1, PRID_IMP_BMIPS5000
+	andi	k0, PRID_IMP_BMIPS5000
 	bne	k0, k1, 3f
 
+	/* set exception vector base */
 	la	k0, ebase
 	lw	k0, 0(k0)
 	mtc0	k0, $15, 1
@@ -263,6 +301,8 @@ LEAF(bmips_enable_xks01)
 #endif /* CONFIG_CPU_BMIPS4380 */
 #if defined(CONFIG_CPU_BMIPS5000)
 	li	t1, PRID_IMP_BMIPS5000
+	/* mask with PRID_IMP_BMIPS5000 to cover both variants */
+	andi	t2, PRID_IMP_BMIPS5000
 	bne	t2, t1, 2f
 
 	mfc0	t0, $22, 5
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index d8f9b357b..6dc3f1fda 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -481,7 +481,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
 			/*
 			 * OK we are here either because we hit a NAL
 			 * instruction or because we are emulating an
-			 * old bltzal{,l} one. Lets figure out what the
+			 * old bltzal{,l} one. Let's figure out what the
 			 * case really is.
 			 */
 			if (!insn.i_format.rs) {
@@ -515,7 +515,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
 			/*
 			 * OK we are here either because we hit a BAL
 			 * instruction or because we are emulating an
-			 * old bgezal{,l} one. Lets figure out what the
+			 * old bgezal{,l} one. Let's figure out what the
 			 * case really is.
 			 */
 			if (!insn.i_format.rs) {
@@ -688,21 +688,9 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
 			}
 			lose_fpu(1);    /* Save FPU state for the emulator. */
 			reg = insn.i_format.rt;
-			bit = 0;
-			switch (insn.i_format.rs) {
-			case bc1eqz_op:
-				/* Test bit 0 */
-				if (get_fpr32(&current->thread.fpu.fpr[reg], 0)
-				    & 0x1)
-					bit = 1;
-				break;
-			case bc1nez_op:
-				/* Test bit 0 */
-				if (!(get_fpr32(&current->thread.fpu.fpr[reg], 0)
-				      & 0x1))
-					bit = 1;
-				break;
-			}
+			bit = get_fpr32(&current->thread.fpu.fpr[reg], 0) & 0x1;
+			if (insn.i_format.rs == bc1eqz_op)
+				bit = !bit;
 			own_fpu(1);
 			if (bit)
 				epc = epc + 4 +
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index 8dfe6a6e1..e4c21bbf9 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -28,6 +28,83 @@ static int mips_next_event(unsigned long delta,
 	return res;
 }
 
+/**
+ * calculate_min_delta() - Calculate a good minimum delta for mips_next_event().
+ *
+ * Running under virtualisation can introduce overhead into mips_next_event() in
+ * the form of hypervisor emulation of CP0_Count/CP0_Compare registers,
+ * potentially with an unnatural frequency, which makes a fixed min_delta_ns
+ * value inappropriate as it may be too small.
+ *
+ * It can also introduce occasional latency from the guest being descheduled.
+ *
+ * This function calculates a good minimum delta based roughly on the 75th
+ * percentile of the time taken to do the mips_next_event() sequence, in order
+ * to handle potentially higher overhead while also eliminating outliers due to
+ * unpredictable hypervisor latency (which can be handled by retries).
+ *
+ * Return:	An appropriate minimum delta for the clock event device.
+ */
+static unsigned int calculate_min_delta(void)
+{
+	unsigned int cnt, i, j, k, l;
+	unsigned int buf1[4], buf2[3];
+	unsigned int min_delta;
+
+	/*
+	 * Calculate the median of 5 75th percentiles of 5 samples of how long
+	 * it takes to set CP0_Compare = CP0_Count + delta.
+	 */
+	for (i = 0; i < 5; ++i) {
+		for (j = 0; j < 5; ++j) {
+			/*
+			 * This is like the code in mips_next_event(), and
+			 * directly measures the borderline "safe" delta.
+			 */
+			cnt = read_c0_count();
+			write_c0_compare(cnt);
+			cnt = read_c0_count() - cnt;
+
+			/* Sorted insert into buf1 */
+			for (k = 0; k < j; ++k) {
+				if (cnt < buf1[k]) {
+					l = min_t(unsigned int,
+						  j, ARRAY_SIZE(buf1) - 1);
+					for (; l > k; --l)
+						buf1[l] = buf1[l - 1];
+					break;
+				}
+			}
+			if (k < ARRAY_SIZE(buf1))
+				buf1[k] = cnt;
+		}
+
+		/* Sorted insert of 75th percentile into buf2 */
+		for (k = 0; k < i; ++k) {
+			if (buf1[ARRAY_SIZE(buf1) - 1] < buf2[k]) {
+				l = min_t(unsigned int,
+					  i, ARRAY_SIZE(buf2) - 1);
+				for (; l > k; --l)
+					buf2[l] = buf2[l - 1];
+				break;
+			}
+		}
+		if (k < ARRAY_SIZE(buf2))
+			buf2[k] = buf1[ARRAY_SIZE(buf1) - 1];
+	}
+
+	/* Use 2 * median of 75th percentiles */
+	min_delta = buf2[ARRAY_SIZE(buf2) - 1] * 2;
+
+	/* Don't go too low */
+	if (min_delta < 0x300)
+		min_delta = 0x300;
+
+	pr_debug("%s: median 75th percentile=%#x, min_delta=%#x\n",
+		 __func__, buf2[ARRAY_SIZE(buf2) - 1], min_delta);
+	return min_delta;
+}
+
 DEFINE_PER_CPU(struct clock_event_device, mips_clockevent_device);
 int cp0_timer_irq_installed;
 
@@ -177,7 +254,7 @@ int r4k_clockevent_init(void)
 {
 	unsigned int cpu = smp_processor_id();
 	struct clock_event_device *cd;
-	unsigned int irq;
+	unsigned int irq, min_delta;
 
 	if (!cpu_has_counter || !mips_hpt_frequency)
 		return -ENXIO;
@@ -203,7 +280,8 @@ int r4k_clockevent_init(void)
 
 	/* Calculate the min / max delta */
 	cd->max_delta_ns	= clockevent_delta2ns(0x7fffffff, cd);
-	cd->min_delta_ns	= clockevent_delta2ns(0x300, cd);
+	min_delta		= calculate_min_delta();
+	cd->min_delta_ns	= clockevent_delta2ns(min_delta, cd);
 
 	cd->rating		= 300;
 	cd->irq			= irq;
diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index ac81edd44..59476a607 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -18,9 +18,12 @@
 #include <asm/mipsmtregs.h>
 #include <asm/pm.h>
 
+#define GCR_CPC_BASE_OFS	0x0088
 #define GCR_CL_COHERENCE_OFS	0x2008
 #define GCR_CL_ID_OFS		0x2028
 
+#define CPC_CL_VC_RUN_OFS	0x2028
+
 .extern mips_cm_base
 
 .set noreorder
@@ -60,6 +63,37 @@
 	 nop
 	.endm
 
+	/*
+	 * Set dest to non-zero if the core supports MIPSr6 multithreading
+	 * (ie. VPs), else zero. If MIPSr6 multithreading is not supported then
+	 * branch to nomt.
+	 */
+	.macro	has_vp	dest, nomt
+	mfc0	\dest, CP0_CONFIG, 1
+	bgez	\dest, \nomt
+	 mfc0	\dest, CP0_CONFIG, 2
+	bgez	\dest, \nomt
+	 mfc0	\dest, CP0_CONFIG, 3
+	bgez	\dest, \nomt
+	 mfc0	\dest, CP0_CONFIG, 4
+	bgez	\dest, \nomt
+	 mfc0	\dest, CP0_CONFIG, 5
+	andi	\dest, \dest, MIPS_CONF5_VP
+	beqz	\dest, \nomt
+	 nop
+	.endm
+
+	/* Calculate an uncached address for the CM GCRs */
+	.macro	cmgcrb	dest
+	.set	push
+	.set	noat
+	MFC0	$1, CP0_CMGCRBASE
+	PTR_SLL	$1, $1, 4
+	PTR_LI	\dest, UNCAC_BASE
+	PTR_ADDU \dest, \dest, $1
+	.set	pop
+	.endm
+
 .section .text.cps-vec
 .balign 0x1000
 
@@ -90,120 +124,64 @@ not_nmi:
 	li	t0, ST0_CU1 | ST0_CU0 | ST0_BEV | STATUS_BITDEPS
 	mtc0	t0, CP0_STATUS
 
-	/*
-	 * Clear the bits used to index the caches. Note that the architecture
-	 * dictates that writing to any of TagLo or TagHi selects 0 or 2 should
-	 * be valid for all MIPS32 CPUs, even those for which said writes are
-	 * unnecessary.
-	 */
-	mtc0	zero, CP0_TAGLO, 0
-	mtc0	zero, CP0_TAGHI, 0
-	mtc0	zero, CP0_TAGLO, 2
-	mtc0	zero, CP0_TAGHI, 2
-	ehb
-
-	/* Primary cache configuration is indicated by Config1 */
-	mfc0	v0, CP0_CONFIG, 1
-
-	/* Detect I-cache line size */
-	_EXT	t0, v0, MIPS_CONF1_IL_SHF, MIPS_CONF1_IL_SZ
-	beqz	t0, icache_done
-	 li	t1, 2
-	sllv	t0, t1, t0
-
-	/* Detect I-cache size */
-	_EXT	t1, v0, MIPS_CONF1_IS_SHF, MIPS_CONF1_IS_SZ
-	xori	t2, t1, 0x7
-	beqz	t2, 1f
-	 li	t3, 32
-	addiu	t1, t1, 1
-	sllv	t1, t3, t1
-1:	/* At this point t1 == I-cache sets per way */
-	_EXT	t2, v0, MIPS_CONF1_IA_SHF, MIPS_CONF1_IA_SZ
-	addiu	t2, t2, 1
-	mul	t1, t1, t0
-	mul	t1, t1, t2
-
-	li	a0, CKSEG0
-	PTR_ADD	a1, a0, t1
-1:	cache	Index_Store_Tag_I, 0(a0)
-	PTR_ADD	a0, a0, t0
-	bne	a0, a1, 1b
+	/* Skip cache & coherence setup if we're already coherent */
+	cmgcrb	v1
+	lw	s7, GCR_CL_COHERENCE_OFS(v1)
+	bnez	s7, 1f
 	 nop
-icache_done:
 
-	/* Detect D-cache line size */
-	_EXT	t0, v0, MIPS_CONF1_DL_SHF, MIPS_CONF1_DL_SZ
-	beqz	t0, dcache_done
-	 li	t1, 2
-	sllv	t0, t1, t0
-
-	/* Detect D-cache size */
-	_EXT	t1, v0, MIPS_CONF1_DS_SHF, MIPS_CONF1_DS_SZ
-	xori	t2, t1, 0x7
-	beqz	t2, 1f
-	 li	t3, 32
-	addiu	t1, t1, 1
-	sllv	t1, t3, t1
-1:	/* At this point t1 == D-cache sets per way */
-	_EXT	t2, v0, MIPS_CONF1_DA_SHF, MIPS_CONF1_DA_SZ
-	addiu	t2, t2, 1
-	mul	t1, t1, t0
-	mul	t1, t1, t2
+	/* Initialize the L1 caches */
+	jal	mips_cps_cache_init
+	 nop
 
-	li	a0, CKSEG0
-	PTR_ADDU a1, a0, t1
-	PTR_SUBU a1, a1, t0
-1:	cache	Index_Store_Tag_D, 0(a0)
-	bne	a0, a1, 1b
-	 PTR_ADD a0, a0, t0
-dcache_done:
+	/* Enter the coherent domain */
+	li	t0, 0xff
+	sw	t0, GCR_CL_COHERENCE_OFS(v1)
+	ehb
 
 	/* Set Kseg0 CCA to that in s0 */
-	mfc0	t0, CP0_CONFIG
+1:	mfc0	t0, CP0_CONFIG
 	ori	t0, 0x7
 	xori	t0, 0x7
 	or	t0, t0, s0
 	mtc0	t0, CP0_CONFIG
 	ehb
 
-	/* Calculate an uncached address for the CM GCRs */
-	MFC0	v1, CP0_CMGCRBASE
-	PTR_SLL	v1, v1, 4
-	PTR_LI	t0, UNCAC_BASE
-	PTR_ADDU v1, v1, t0
-
-	/* Enter the coherent domain */
-	li	t0, 0xff
-	sw	t0, GCR_CL_COHERENCE_OFS(v1)
-	ehb
-
 	/* Jump to kseg0 */
 	PTR_LA	t0, 1f
 	jr	t0
 	 nop
 
 	/*
-	 * We're up, cached & coherent. Perform any further required core-level
-	 * initialisation.
+	 * We're up, cached & coherent. Perform any EVA initialization necessary
+	 * before we access memory.
 	 */
-1:	jal	mips_cps_core_init
+1:	eva_init
+
+	/* Retrieve boot configuration pointers */
+	jal	mips_cps_get_bootcfg
+	 nop
+
+	/* Skip core-level init if we started up coherent */
+	bnez	s7, 1f
 	 nop
 
-	/* Do any EVA initialization if necessary */
-	eva_init
+	/* Perform any further required core-level initialisation */
+	jal	mips_cps_core_init
+	 nop
 
 	/*
 	 * Boot any other VPEs within this core that should be online, and
 	 * deactivate this VPE if it should be offline.
 	 */
+	move	a1, t9
 	jal	mips_cps_boot_vpes
-	 nop
+	 move	a0, v0
 
 	/* Off we go! */
-	PTR_L	t1, VPEBOOTCFG_PC(v0)
-	PTR_L	gp, VPEBOOTCFG_GP(v0)
-	PTR_L	sp, VPEBOOTCFG_SP(v0)
+1:	PTR_L	t1, VPEBOOTCFG_PC(v1)
+	PTR_L	gp, VPEBOOTCFG_GP(v1)
+	PTR_L	sp, VPEBOOTCFG_SP(v1)
 	jr	t1
 	 nop
 	END(mips_cps_core_entry)
@@ -245,7 +223,6 @@ LEAF(excep_intex)
 
 .org 0x480
 LEAF(excep_ejtag)
-	DUMP_EXCEP("EJTAG")
 	PTR_LA	k0, ejtag_debug_handler
 	jr	k0
 	 nop
@@ -323,22 +300,35 @@ LEAF(mips_cps_core_init)
 	 nop
 	END(mips_cps_core_init)
 
-LEAF(mips_cps_boot_vpes)
-	/* Retrieve CM base address */
-	PTR_LA	t0, mips_cm_base
-	PTR_L	t0, 0(t0)
-
+/**
+ * mips_cps_get_bootcfg() - retrieve boot configuration pointers
+ *
+ * Returns: pointer to struct core_boot_config in v0, pointer to
+ *          struct vpe_boot_config in v1, VPE ID in t9
+ */
+LEAF(mips_cps_get_bootcfg)
 	/* Calculate a pointer to this cores struct core_boot_config */
+	cmgcrb	t0
 	lw	t0, GCR_CL_ID_OFS(t0)
 	li	t1, COREBOOTCFG_SIZE
 	mul	t0, t0, t1
 	PTR_LA	t1, mips_cps_core_bootcfg
 	PTR_L	t1, 0(t1)
-	PTR_ADDU t0, t0, t1
+	PTR_ADDU v0, t0, t1
 
 	/* Calculate this VPEs ID. If the core doesn't support MT use 0 */
 	li	t9, 0
-#ifdef CONFIG_MIPS_MT_SMP
+#if defined(CONFIG_CPU_MIPSR6)
+	has_vp	ta2, 1f
+
+	/*
+	 * Assume non-contiguous numbering. Perhaps some day we'll need
+	 * to handle contiguous VP numbering, but no such systems yet
+	 * exist.
+	 */
+	mfc0	t9, $3, 1
+	andi	t9, t9, 0xff
+#elif defined(CONFIG_MIPS_MT_SMP)
 	has_mt	ta2, 1f
 
 	/* Find the number of VPEs present in the core */
@@ -362,22 +352,43 @@ LEAF(mips_cps_boot_vpes)
 
 1:	/* Calculate a pointer to this VPEs struct vpe_boot_config */
 	li	t1, VPEBOOTCFG_SIZE
-	mul	v0, t9, t1
-	PTR_L	ta3, COREBOOTCFG_VPECONFIG(t0)
-	PTR_ADDU v0, v0, ta3
+	mul	v1, t9, t1
+	PTR_L	ta3, COREBOOTCFG_VPECONFIG(v0)
+	PTR_ADDU v1, v1, ta3
 
-#ifdef CONFIG_MIPS_MT_SMP
-
-	/* If the core doesn't support MT then return */
-	bnez	ta2, 1f
-	 nop
 	jr	ra
 	 nop
+	END(mips_cps_get_bootcfg)
+
+LEAF(mips_cps_boot_vpes)
+	PTR_L	ta2, COREBOOTCFG_VPEMASK(a0)
+	PTR_L	ta3, COREBOOTCFG_VPECONFIG(a0)
+
+#if defined(CONFIG_CPU_MIPSR6)
+
+	has_vp	t0, 5f
+
+	/* Find base address of CPC */
+	cmgcrb	t3
+	PTR_L	t1, GCR_CPC_BASE_OFS(t3)
+	PTR_LI	t2, ~0x7fff
+	and	t1, t1, t2
+	PTR_LI	t2, UNCAC_BASE
+	PTR_ADD	t1, t1, t2
+
+	/* Set VC_RUN to the VPE mask */
+	PTR_S	ta2, CPC_CL_VC_RUN_OFS(t1)
+	ehb
+
+#elif defined(CONFIG_MIPS_MT)
 
 	.set	push
 	.set	mt
 
-1:	/* Enter VPE configuration state */
+	/* If the core doesn't support MT then return */
+	has_mt	t0, 5f
+
+	/* Enter VPE configuration state */
 	dvpe
 	PTR_LA	t1, 1f
 	jr.hb	t1
@@ -388,7 +399,6 @@ LEAF(mips_cps_boot_vpes)
 	ehb
 
 	/* Loop through each VPE */
-	PTR_L	ta2, COREBOOTCFG_VPEMASK(t0)
 	move	t8, ta2
 	li	ta1, 0
 
@@ -431,6 +441,21 @@ LEAF(mips_cps_boot_vpes)
 	mfc0	t0, CP0_CONFIG
 	mttc0	t0, CP0_CONFIG
 
+	/*
+	 * Copy the EVA config from this VPE if the CPU supports it.
+	 * CONFIG3 must exist to be running MT startup - just read it.
+	 */
+	mfc0	t0, CP0_CONFIG, 3
+	and	t0, t0, MIPS_CONF3_SC
+	beqz	t0, 3f
+	 nop
+	mfc0    t0, CP0_SEGCTL0
+	mttc0	t0, CP0_SEGCTL0
+	mfc0    t0, CP0_SEGCTL1
+	mttc0	t0, CP0_SEGCTL1
+	mfc0    t0, CP0_SEGCTL2
+	mttc0	t0, CP0_SEGCTL2
+3:
 	/* Ensure no software interrupts are pending */
 	mttc0	zero, CP0_CAUSE
 	mttc0	zero, CP0_STATUS
@@ -465,7 +490,7 @@ LEAF(mips_cps_boot_vpes)
 
 	/* Check whether this VPE is meant to be running */
 	li	t0, 1
-	sll	t0, t0, t9
+	sll	t0, t0, a1
 	and	t0, t0, t8
 	bnez	t0, 2f
 	 nop
@@ -482,10 +507,84 @@ LEAF(mips_cps_boot_vpes)
 #endif /* CONFIG_MIPS_MT_SMP */
 
 	/* Return */
-	jr	ra
+5:	jr	ra
 	 nop
 	END(mips_cps_boot_vpes)
 
+LEAF(mips_cps_cache_init)
+	/*
+	 * Clear the bits used to index the caches. Note that the architecture
+	 * dictates that writing to any of TagLo or TagHi selects 0 or 2 should
+	 * be valid for all MIPS32 CPUs, even those for which said writes are
+	 * unnecessary.
+	 */
+	mtc0	zero, CP0_TAGLO, 0
+	mtc0	zero, CP0_TAGHI, 0
+	mtc0	zero, CP0_TAGLO, 2
+	mtc0	zero, CP0_TAGHI, 2
+	ehb
+
+	/* Primary cache configuration is indicated by Config1 */
+	mfc0	v0, CP0_CONFIG, 1
+
+	/* Detect I-cache line size */
+	_EXT	t0, v0, MIPS_CONF1_IL_SHF, MIPS_CONF1_IL_SZ
+	beqz	t0, icache_done
+	 li	t1, 2
+	sllv	t0, t1, t0
+
+	/* Detect I-cache size */
+	_EXT	t1, v0, MIPS_CONF1_IS_SHF, MIPS_CONF1_IS_SZ
+	xori	t2, t1, 0x7
+	beqz	t2, 1f
+	 li	t3, 32
+	addiu	t1, t1, 1
+	sllv	t1, t3, t1
+1:	/* At this point t1 == I-cache sets per way */
+	_EXT	t2, v0, MIPS_CONF1_IA_SHF, MIPS_CONF1_IA_SZ
+	addiu	t2, t2, 1
+	mul	t1, t1, t0
+	mul	t1, t1, t2
+
+	li	a0, CKSEG0
+	PTR_ADD	a1, a0, t1
+1:	cache	Index_Store_Tag_I, 0(a0)
+	PTR_ADD	a0, a0, t0
+	bne	a0, a1, 1b
+	 nop
+icache_done:
+
+	/* Detect D-cache line size */
+	_EXT	t0, v0, MIPS_CONF1_DL_SHF, MIPS_CONF1_DL_SZ
+	beqz	t0, dcache_done
+	 li	t1, 2
+	sllv	t0, t1, t0
+
+	/* Detect D-cache size */
+	_EXT	t1, v0, MIPS_CONF1_DS_SHF, MIPS_CONF1_DS_SZ
+	xori	t2, t1, 0x7
+	beqz	t2, 1f
+	 li	t3, 32
+	addiu	t1, t1, 1
+	sllv	t1, t3, t1
+1:	/* At this point t1 == D-cache sets per way */
+	_EXT	t2, v0, MIPS_CONF1_DA_SHF, MIPS_CONF1_DA_SZ
+	addiu	t2, t2, 1
+	mul	t1, t1, t0
+	mul	t1, t1, t2
+
+	li	a0, CKSEG0
+	PTR_ADDU a1, a0, t1
+	PTR_SUBU a1, a1, t0
+1:	cache	Index_Store_Tag_D, 0(a0)
+	bne	a0, a1, 1b
+	 PTR_ADD a0, a0, t0
+dcache_done:
+
+	jr	ra
+	 nop
+	END(mips_cps_cache_init)
+
 #if defined(CONFIG_MIPS_CPS_PM) && defined(CONFIG_CPU_PM)
 
 	/* Calculate a pointer to this CPUs struct mips_static_suspend_state */
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index b725b713b..a88d44247 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -539,6 +539,7 @@ static int set_ftlb_enable(struct cpuinfo_mips *c, int enable)
 	switch (c->cputype) {
 	case CPU_PROAPTIV:
 	case CPU_P5600:
+	case CPU_P6600:
 		/* proAptiv & related cores use Config6 to enable the FTLB */
 		config = read_c0_config6();
 		/* Clear the old probability value */
@@ -561,6 +562,19 @@ static int set_ftlb_enable(struct cpuinfo_mips *c, int enable)
 		write_c0_config7(config | (calculate_ftlb_probability(c)
 					   << MIPS_CONF7_FTLBP_SHIFT));
 		break;
+	case CPU_LOONGSON3:
+		/* Flush ITLB, DTLB, VTLB and FTLB */
+		write_c0_diag(LOONGSON_DIAG_ITLB | LOONGSON_DIAG_DTLB |
+			      LOONGSON_DIAG_VTLB | LOONGSON_DIAG_FTLB);
+		/* Loongson-3 cores use Config6 to enable the FTLB */
+		config = read_c0_config6();
+		if (enable)
+			/* Enable FTLB */
+			write_c0_config6(config & ~MIPS_CONF6_FTLBDIS);
+		else
+			/* Disable FTLB */
+			write_c0_config6(config | MIPS_CONF6_FTLBDIS);
+		break;
 	default:
 		return 1;
 	}
@@ -634,6 +648,8 @@ static inline unsigned int decode_config1(struct cpuinfo_mips *c)
 
 	if (config1 & MIPS_CONF1_MD)
 		c->ases |= MIPS_ASE_MDMX;
+	if (config1 & MIPS_CONF1_PC)
+		c->options |= MIPS_CPU_PERF;
 	if (config1 & MIPS_CONF1_WR)
 		c->options |= MIPS_CPU_WATCH;
 	if (config1 & MIPS_CONF1_CA)
@@ -673,18 +689,25 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c)
 
 	if (config3 & MIPS_CONF3_SM) {
 		c->ases |= MIPS_ASE_SMARTMIPS;
-		c->options |= MIPS_CPU_RIXI;
+		c->options |= MIPS_CPU_RIXI | MIPS_CPU_CTXTC;
 	}
 	if (config3 & MIPS_CONF3_RXI)
 		c->options |= MIPS_CPU_RIXI;
+	if (config3 & MIPS_CONF3_CTXTC)
+		c->options |= MIPS_CPU_CTXTC;
 	if (config3 & MIPS_CONF3_DSP)
 		c->ases |= MIPS_ASE_DSP;
-	if (config3 & MIPS_CONF3_DSP2P)
+	if (config3 & MIPS_CONF3_DSP2P) {
 		c->ases |= MIPS_ASE_DSP2P;
+		if (cpu_has_mips_r6)
+			c->ases |= MIPS_ASE_DSP3;
+	}
 	if (config3 & MIPS_CONF3_VINT)
 		c->options |= MIPS_CPU_VINT;
 	if (config3 & MIPS_CONF3_VEIC)
 		c->options |= MIPS_CPU_VEIC;
+	if (config3 & MIPS_CONF3_LPA)
+		c->options |= MIPS_CPU_LPA;
 	if (config3 & MIPS_CONF3_MT)
 		c->ases |= MIPS_ASE_MIPSMT;
 	if (config3 & MIPS_CONF3_ULRI)
@@ -695,6 +718,10 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c)
 		c->ases |= MIPS_ASE_VZ;
 	if (config3 & MIPS_CONF3_SC)
 		c->options |= MIPS_CPU_SEGMENTS;
+	if (config3 & MIPS_CONF3_BI)
+		c->options |= MIPS_CPU_BADINSTR;
+	if (config3 & MIPS_CONF3_BP)
+		c->options |= MIPS_CPU_BADINSTRP;
 	if (config3 & MIPS_CONF3_MSA)
 		c->ases |= MIPS_ASE_MSA;
 	if (config3 & MIPS_CONF3_PW) {
@@ -715,6 +742,7 @@ static inline unsigned int decode_config4(struct cpuinfo_mips *c)
 	unsigned int newcf4;
 	unsigned int mmuextdef;
 	unsigned int ftlb_page = MIPS_CONF4_FTLBPAGESIZE;
+	unsigned long asid_mask;
 
 	config4 = read_c0_config4();
 
@@ -773,7 +801,20 @@ static inline unsigned int decode_config4(struct cpuinfo_mips *c)
 		}
 	}
 
-	c->kscratch_mask = (config4 >> 16) & 0xff;
+	c->kscratch_mask = (config4 & MIPS_CONF4_KSCREXIST)
+				>> MIPS_CONF4_KSCREXIST_SHIFT;
+
+	asid_mask = MIPS_ENTRYHI_ASID;
+	if (config4 & MIPS_CONF4_AE)
+		asid_mask |= MIPS_ENTRYHI_ASIDX;
+	set_cpu_asid_mask(c, asid_mask);
+
+	/*
+	 * Warn if the computed ASID mask doesn't match the mask the kernel
+	 * is built for. This may indicate either a serious problem or an
+	 * easy optimisation opportunity, but either way should be addressed.
+	 */
+	WARN_ON(asid_mask != cpu_asid_mask(c));
 
 	return config4 & MIPS_CONF_M;
 }
@@ -792,10 +833,10 @@ static inline unsigned int decode_config5(struct cpuinfo_mips *c)
 		c->options |= MIPS_CPU_MAAR;
 	if (config5 & MIPS_CONF5_LLB)
 		c->options |= MIPS_CPU_RW_LLB;
-#ifdef CONFIG_XPA
 	if (config5 & MIPS_CONF5_MVH)
-		c->options |= MIPS_CPU_XPA;
-#endif
+		c->options |= MIPS_CPU_MVH;
+	if (cpu_has_mips_r6 && (config5 & MIPS_CONF5_VP))
+		c->options |= MIPS_CPU_VP;
 
 	return config5 & MIPS_CONF_M;
 }
@@ -826,17 +867,43 @@ static void decode_configs(struct cpuinfo_mips *c)
 	if (ok)
 		ok = decode_config5(c);
 
-	mips_probe_watch_registers(c);
-
-	if (cpu_has_rixi) {
-		/* Enable the RIXI exceptions */
-		set_c0_pagegrain(PG_IEC);
-		back_to_back_c0_hazard();
-		/* Verify the IEC bit is set */
-		if (read_c0_pagegrain() & PG_IEC)
-			c->options |= MIPS_CPU_RIXIEX;
+	/* Probe the EBase.WG bit */
+	if (cpu_has_mips_r2_r6) {
+		u64 ebase;
+		unsigned int status;
+
+		/* {read,write}_c0_ebase_64() may be UNDEFINED prior to r6 */
+		ebase = cpu_has_mips64r6 ? read_c0_ebase_64()
+					 : (s32)read_c0_ebase();
+		if (ebase & MIPS_EBASE_WG) {
+			/* WG bit already set, we can avoid the clumsy probe */
+			c->options |= MIPS_CPU_EBASE_WG;
+		} else {
+			/* Its UNDEFINED to change EBase while BEV=0 */
+			status = read_c0_status();
+			write_c0_status(status | ST0_BEV);
+			irq_enable_hazard();
+			/*
+			 * On pre-r6 cores, this may well clobber the upper bits
+			 * of EBase. This is hard to avoid without potentially
+			 * hitting UNDEFINED dm*c0 behaviour if EBase is 32-bit.
+			 */
+			if (cpu_has_mips64r6)
+				write_c0_ebase_64(ebase | MIPS_EBASE_WG);
+			else
+				write_c0_ebase(ebase | MIPS_EBASE_WG);
+			back_to_back_c0_hazard();
+			/* Restore BEV */
+			write_c0_status(status);
+			if (read_c0_ebase() & MIPS_EBASE_WG) {
+				c->options |= MIPS_CPU_EBASE_WG;
+				write_c0_ebase(ebase);
+			}
+		}
 	}
 
+	mips_probe_watch_registers(c);
+
 #ifndef CONFIG_MIPS_CPS
 	if (cpu_has_mips_r2_r6) {
 		c->core = get_ebase_cpunum();
@@ -846,6 +913,235 @@ static void decode_configs(struct cpuinfo_mips *c)
 #endif
 }
 
+/*
+ * Probe for certain guest capabilities by writing config bits and reading back.
+ * Finally write back the original value.
+ */
+#define probe_gc0_config(name, maxconf, bits)				\
+do {									\
+	unsigned int tmp;						\
+	tmp = read_gc0_##name();					\
+	write_gc0_##name(tmp | (bits));					\
+	back_to_back_c0_hazard();					\
+	maxconf = read_gc0_##name();					\
+	write_gc0_##name(tmp);						\
+} while (0)
+
+/*
+ * Probe for dynamic guest capabilities by changing certain config bits and
+ * reading back to see if they change. Finally write back the original value.
+ */
+#define probe_gc0_config_dyn(name, maxconf, dynconf, bits)		\
+do {									\
+	maxconf = read_gc0_##name();					\
+	write_gc0_##name(maxconf ^ (bits));				\
+	back_to_back_c0_hazard();					\
+	dynconf = maxconf ^ read_gc0_##name();				\
+	write_gc0_##name(maxconf);					\
+	maxconf |= dynconf;						\
+} while (0)
+
+static inline unsigned int decode_guest_config0(struct cpuinfo_mips *c)
+{
+	unsigned int config0;
+
+	probe_gc0_config(config, config0, MIPS_CONF_M);
+
+	if (config0 & MIPS_CONF_M)
+		c->guest.conf |= BIT(1);
+	return config0 & MIPS_CONF_M;
+}
+
+static inline unsigned int decode_guest_config1(struct cpuinfo_mips *c)
+{
+	unsigned int config1, config1_dyn;
+
+	probe_gc0_config_dyn(config1, config1, config1_dyn,
+			     MIPS_CONF_M | MIPS_CONF1_PC | MIPS_CONF1_WR |
+			     MIPS_CONF1_FP);
+
+	if (config1 & MIPS_CONF1_FP)
+		c->guest.options |= MIPS_CPU_FPU;
+	if (config1_dyn & MIPS_CONF1_FP)
+		c->guest.options_dyn |= MIPS_CPU_FPU;
+
+	if (config1 & MIPS_CONF1_WR)
+		c->guest.options |= MIPS_CPU_WATCH;
+	if (config1_dyn & MIPS_CONF1_WR)
+		c->guest.options_dyn |= MIPS_CPU_WATCH;
+
+	if (config1 & MIPS_CONF1_PC)
+		c->guest.options |= MIPS_CPU_PERF;
+	if (config1_dyn & MIPS_CONF1_PC)
+		c->guest.options_dyn |= MIPS_CPU_PERF;
+
+	if (config1 & MIPS_CONF_M)
+		c->guest.conf |= BIT(2);
+	return config1 & MIPS_CONF_M;
+}
+
+static inline unsigned int decode_guest_config2(struct cpuinfo_mips *c)
+{
+	unsigned int config2;
+
+	probe_gc0_config(config2, config2, MIPS_CONF_M);
+
+	if (config2 & MIPS_CONF_M)
+		c->guest.conf |= BIT(3);
+	return config2 & MIPS_CONF_M;
+}
+
+static inline unsigned int decode_guest_config3(struct cpuinfo_mips *c)
+{
+	unsigned int config3, config3_dyn;
+
+	probe_gc0_config_dyn(config3, config3, config3_dyn,
+			     MIPS_CONF_M | MIPS_CONF3_MSA | MIPS_CONF3_CTXTC);
+
+	if (config3 & MIPS_CONF3_CTXTC)
+		c->guest.options |= MIPS_CPU_CTXTC;
+	if (config3_dyn & MIPS_CONF3_CTXTC)
+		c->guest.options_dyn |= MIPS_CPU_CTXTC;
+
+	if (config3 & MIPS_CONF3_PW)
+		c->guest.options |= MIPS_CPU_HTW;
+
+	if (config3 & MIPS_CONF3_SC)
+		c->guest.options |= MIPS_CPU_SEGMENTS;
+
+	if (config3 & MIPS_CONF3_BI)
+		c->guest.options |= MIPS_CPU_BADINSTR;
+	if (config3 & MIPS_CONF3_BP)
+		c->guest.options |= MIPS_CPU_BADINSTRP;
+
+	if (config3 & MIPS_CONF3_MSA)
+		c->guest.ases |= MIPS_ASE_MSA;
+	if (config3_dyn & MIPS_CONF3_MSA)
+		c->guest.ases_dyn |= MIPS_ASE_MSA;
+
+	if (config3 & MIPS_CONF_M)
+		c->guest.conf |= BIT(4);
+	return config3 & MIPS_CONF_M;
+}
+
+static inline unsigned int decode_guest_config4(struct cpuinfo_mips *c)
+{
+	unsigned int config4;
+
+	probe_gc0_config(config4, config4,
+			 MIPS_CONF_M | MIPS_CONF4_KSCREXIST);
+
+	c->guest.kscratch_mask = (config4 & MIPS_CONF4_KSCREXIST)
+				>> MIPS_CONF4_KSCREXIST_SHIFT;
+
+	if (config4 & MIPS_CONF_M)
+		c->guest.conf |= BIT(5);
+	return config4 & MIPS_CONF_M;
+}
+
+static inline unsigned int decode_guest_config5(struct cpuinfo_mips *c)
+{
+	unsigned int config5, config5_dyn;
+
+	probe_gc0_config_dyn(config5, config5, config5_dyn,
+			 MIPS_CONF_M | MIPS_CONF5_MRP);
+
+	if (config5 & MIPS_CONF5_MRP)
+		c->guest.options |= MIPS_CPU_MAAR;
+	if (config5_dyn & MIPS_CONF5_MRP)
+		c->guest.options_dyn |= MIPS_CPU_MAAR;
+
+	if (config5 & MIPS_CONF5_LLB)
+		c->guest.options |= MIPS_CPU_RW_LLB;
+
+	if (config5 & MIPS_CONF_M)
+		c->guest.conf |= BIT(6);
+	return config5 & MIPS_CONF_M;
+}
+
+static inline void decode_guest_configs(struct cpuinfo_mips *c)
+{
+	unsigned int ok;
+
+	ok = decode_guest_config0(c);
+	if (ok)
+		ok = decode_guest_config1(c);
+	if (ok)
+		ok = decode_guest_config2(c);
+	if (ok)
+		ok = decode_guest_config3(c);
+	if (ok)
+		ok = decode_guest_config4(c);
+	if (ok)
+		decode_guest_config5(c);
+}
+
+static inline void cpu_probe_guestctl0(struct cpuinfo_mips *c)
+{
+	unsigned int guestctl0, temp;
+
+	guestctl0 = read_c0_guestctl0();
+
+	if (guestctl0 & MIPS_GCTL0_G0E)
+		c->options |= MIPS_CPU_GUESTCTL0EXT;
+	if (guestctl0 & MIPS_GCTL0_G1)
+		c->options |= MIPS_CPU_GUESTCTL1;
+	if (guestctl0 & MIPS_GCTL0_G2)
+		c->options |= MIPS_CPU_GUESTCTL2;
+	if (!(guestctl0 & MIPS_GCTL0_RAD)) {
+		c->options |= MIPS_CPU_GUESTID;
+
+		/*
+		 * Probe for Direct Root to Guest (DRG). Set GuestCtl1.RID = 0
+		 * first, otherwise all data accesses will be fully virtualised
+		 * as if they were performed by guest mode.
+		 */
+		write_c0_guestctl1(0);
+		tlbw_use_hazard();
+
+		write_c0_guestctl0(guestctl0 | MIPS_GCTL0_DRG);
+		back_to_back_c0_hazard();
+		temp = read_c0_guestctl0();
+
+		if (temp & MIPS_GCTL0_DRG) {
+			write_c0_guestctl0(guestctl0);
+			c->options |= MIPS_CPU_DRG;
+		}
+	}
+}
+
+static inline void cpu_probe_guestctl1(struct cpuinfo_mips *c)
+{
+	if (cpu_has_guestid) {
+		/* determine the number of bits of GuestID available */
+		write_c0_guestctl1(MIPS_GCTL1_ID);
+		back_to_back_c0_hazard();
+		c->guestid_mask = (read_c0_guestctl1() & MIPS_GCTL1_ID)
+						>> MIPS_GCTL1_ID_SHIFT;
+		write_c0_guestctl1(0);
+	}
+}
+
+static inline void cpu_probe_gtoffset(struct cpuinfo_mips *c)
+{
+	/* determine the number of bits of GTOffset available */
+	write_c0_gtoffset(0xffffffff);
+	back_to_back_c0_hazard();
+	c->gtoffset_mask = read_c0_gtoffset();
+	write_c0_gtoffset(0);
+}
+
+static inline void cpu_probe_vz(struct cpuinfo_mips *c)
+{
+	cpu_probe_guestctl0(c);
+	if (cpu_has_guestctl1)
+		cpu_probe_guestctl1(c);
+
+	cpu_probe_gtoffset(c);
+
+	decode_guest_configs(c);
+}
+
 #define R4K_OPTS (MIPS_CPU_TLB | MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE \
 		| MIPS_CPU_COUNTER)
 
@@ -1172,7 +1468,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
 			set_isa(c, MIPS_CPU_ISA_III);
 			c->fpu_msk31 |= FPU_CSR_CONDX;
 			break;
-		case PRID_REV_LOONGSON3A:
+		case PRID_REV_LOONGSON3A_R1:
 			c->cputype = CPU_LOONGSON3;
 			__cpu_name[cpu] = "ICT Loongson-3";
 			set_elf_platform(cpu, "loongson3a");
@@ -1314,6 +1610,10 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)
 		c->cputype = CPU_P5600;
 		__cpu_name[cpu] = "MIPS P5600";
 		break;
+	case PRID_IMP_P6600:
+		c->cputype = CPU_P6600;
+		__cpu_name[cpu] = "MIPS P6600";
+		break;
 	case PRID_IMP_I6400:
 		c->cputype = CPU_I6400;
 		__cpu_name[cpu] = "MIPS I6400";
@@ -1322,6 +1622,10 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)
 		c->cputype = CPU_M5150;
 		__cpu_name[cpu] = "MIPS M5150";
 		break;
+	case PRID_IMP_M6250:
+		c->cputype = CPU_M6250;
+		__cpu_name[cpu] = "MIPS M6250";
+		break;
 	}
 
 	decode_configs(c);
@@ -1435,6 +1739,7 @@ static inline void cpu_probe_broadcom(struct cpuinfo_mips *c, unsigned int cpu)
 			c->cputype = CPU_BMIPS4380;
 			__cpu_name[cpu] = "Broadcom BMIPS4380";
 			set_elf_platform(cpu, "bmips4380");
+			c->options |= MIPS_CPU_RIXI;
 		} else {
 			c->cputype = CPU_BMIPS4350;
 			__cpu_name[cpu] = "Broadcom BMIPS4350";
@@ -1445,9 +1750,12 @@ static inline void cpu_probe_broadcom(struct cpuinfo_mips *c, unsigned int cpu)
 	case PRID_IMP_BMIPS5000:
 	case PRID_IMP_BMIPS5200:
 		c->cputype = CPU_BMIPS5000;
-		__cpu_name[cpu] = "Broadcom BMIPS5000";
+		if ((c->processor_id & PRID_IMP_MASK) == PRID_IMP_BMIPS5200)
+			__cpu_name[cpu] = "Broadcom BMIPS5200";
+		else
+			__cpu_name[cpu] = "Broadcom BMIPS5000";
 		set_elf_platform(cpu, "bmips5000");
-		c->options |= MIPS_CPU_ULRI;
+		c->options |= MIPS_CPU_ULRI | MIPS_CPU_RIXI;
 		break;
 	}
 }
@@ -1481,6 +1789,8 @@ platform:
 		set_elf_platform(cpu, "octeon2");
 		break;
 	case PRID_IMP_CAVIUM_CN70XX:
+	case PRID_IMP_CAVIUM_CN73XX:
+	case PRID_IMP_CAVIUM_CNF75XX:
 	case PRID_IMP_CAVIUM_CN78XX:
 		c->cputype = CPU_CAVIUM_OCTEON3;
 		__cpu_name[cpu] = "Cavium Octeon III";
@@ -1493,6 +1803,29 @@ platform:
 	}
 }
 
+static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu)
+{
+	switch (c->processor_id & PRID_IMP_MASK) {
+	case PRID_IMP_LOONGSON_64:  /* Loongson-2/3 */
+		switch (c->processor_id & PRID_REV_MASK) {
+		case PRID_REV_LOONGSON3A_R2:
+			c->cputype = CPU_LOONGSON3;
+			__cpu_name[cpu] = "ICT Loongson-3";
+			set_elf_platform(cpu, "loongson3a");
+			set_isa(c, MIPS_CPU_ISA_M64R2);
+			break;
+		}
+
+		decode_configs(c);
+		c->options |= MIPS_CPU_TLBINV | MIPS_CPU_LDPTE;
+		c->writecombine = _CACHE_UNCACHED_ACCELERATED;
+		break;
+	default:
+		panic("Unknown Loongson Processor ID!");
+		break;
+	}
+}
+
 static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu)
 {
 	decode_configs(c);
@@ -1640,6 +1973,9 @@ void cpu_probe(void)
 	case PRID_COMP_CAVIUM:
 		cpu_probe_cavium(c, cpu);
 		break;
+	case PRID_COMP_LOONGSON:
+		cpu_probe_loongson(c, cpu);
+		break;
 	case PRID_COMP_INGENIC_D0:
 	case PRID_COMP_INGENIC_D1:
 	case PRID_COMP_INGENIC_E1:
@@ -1660,6 +1996,15 @@ void cpu_probe(void)
 	 */
 	BUG_ON(current_cpu_type() != c->cputype);
 
+	if (cpu_has_rixi) {
+		/* Enable the RIXI exceptions */
+		set_c0_pagegrain(PG_IEC);
+		back_to_back_c0_hazard();
+		/* Verify the IEC bit is set */
+		if (read_c0_pagegrain() & PG_IEC)
+			c->options |= MIPS_CPU_RIXIEX;
+	}
+
 	if (mips_fpu_disabled)
 		c->options &= ~MIPS_CPU_FPU;
 
@@ -1699,6 +2044,9 @@ void cpu_probe(void)
 		elf_hwcap |= HWCAP_MIPS_MSA;
 	}
 
+	if (cpu_has_vz)
+		cpu_probe_vz(c);
+
 	cpu_probe_vmbits(c);
 
 #ifdef CONFIG_64BIT
diff --git a/arch/mips/kernel/crash.c b/arch/mips/kernel/crash.c
index d434d5d5a..610f0f3bd 100644
--- a/arch/mips/kernel/crash.c
+++ b/arch/mips/kernel/crash.c
@@ -14,12 +14,22 @@ static int crashing_cpu = -1;
 static cpumask_t cpus_in_crash = CPU_MASK_NONE;
 
 #ifdef CONFIG_SMP
-static void crash_shutdown_secondary(void *ignore)
+static void crash_shutdown_secondary(void *passed_regs)
 {
-	struct pt_regs *regs;
+	struct pt_regs *regs = passed_regs;
 	int cpu = smp_processor_id();
 
-	regs = task_pt_regs(current);
+	/*
+	 * If we are passed registers, use those.  Otherwise get the
+	 * regs from the last interrupt, which should be correct, as
+	 * we are in an interrupt.  But if the regs are not there,
+	 * pull them from the top of the stack.  They are probably
+	 * wrong, but we need something to keep from crashing again.
+	 */
+	if (!regs)
+		regs = get_irq_regs();
+	if (!regs)
+		regs = task_pt_regs(current);
 
 	if (!cpu_online(cpu))
 		return;
diff --git a/arch/mips/kernel/elf.c b/arch/mips/kernel/elf.c
index c3c234dc0..891f5ee63 100644
--- a/arch/mips/kernel/elf.c
+++ b/arch/mips/kernel/elf.c
@@ -88,7 +88,7 @@ int arch_elf_pt_proc(void *_ehdr, void *_phdr, struct file *elf,
 	elf32 = ehdr->e32.e_ident[EI_CLASS] == ELFCLASS32;
 	flags = elf32 ? ehdr->e32.e_flags : ehdr->e64.e_flags;
 
-	/* Lets see if this is an O32 ELF */
+	/* Let's see if this is an O32 ELF */
 	if (elf32) {
 		if (flags & EF_MIPS_FP64) {
 			/*
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index baa7b6fc0..17326a90d 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -130,7 +130,7 @@ LEAF(__r4k_wait)
 	/* end of rollback region (the region size must be power of two) */
 1:
 	jr	ra
-	nop
+	 nop
 	.set	pop
 	END(__r4k_wait)
 
@@ -172,7 +172,7 @@ NESTED(handle_int, PT_SIZE, sp)
 	mfc0	k0, CP0_EPC
 	.set	noreorder
 	j	k0
-	rfe
+	 rfe
 #else
 	and	k0, ST0_IE
 	bnez	k0, 1f
@@ -189,7 +189,7 @@ NESTED(handle_int, PT_SIZE, sp)
 	LONG_L	s0, TI_REGS($28)
 	LONG_S	sp, TI_REGS($28)
 	PTR_LA	ra, ret_from_irq
-	PTR_LA  v0, plat_irq_dispatch
+	PTR_LA	v0, plat_irq_dispatch
 	jr	v0
 #ifdef CONFIG_CPU_MICROMIPS
 	nop
@@ -292,7 +292,7 @@ ejtag_return:
 	MFC0	k0, CP0_DESAVE
 	.set	mips32
 	deret
-	.set pop
+	.set	pop
 	END(ejtag_debug_handler)
 
 /*
@@ -329,10 +329,10 @@ NESTED(nmi_handler, PT_SIZE, sp)
 	 * Clear BEV - required for page fault exception handler to work
 	 */
 	mfc0	k0, CP0_STATUS
-	ori     k0, k0, ST0_EXL
+	ori	k0, k0, ST0_EXL
 	li	k1, ~(ST0_BEV | ST0_ERL)
-	and     k0, k0, k1
-	mtc0    k0, CP0_STATUS
+	and	k0, k0, k1
+	mtc0	k0, CP0_STATUS
 	_ehb
 	SAVE_ALL
 	move	a0, sp
@@ -396,7 +396,7 @@ NESTED(nmi_handler, PT_SIZE, sp)
 
 	.macro	__BUILD_count exception
 	LONG_L	t0,exception_count_\exception
-	LONG_ADDIU t0, 1
+	LONG_ADDIU	t0, 1
 	LONG_S	t0,exception_count_\exception
 	.comm	exception_count\exception, 8, 8
 	.endm
@@ -455,10 +455,10 @@ NESTED(nmi_handler, PT_SIZE, sp)
 	.set	noreorder
 	/* check if TLB contains a entry for EPC */
 	MFC0	k1, CP0_ENTRYHI
-	andi	k1, 0xff	/* ASID_MASK */
+	andi	k1, MIPS_ENTRYHI_ASID | MIPS_ENTRYHI_ASIDX
 	MFC0	k0, CP0_EPC
-	PTR_SRL k0, _PAGE_SHIFT + 1
-	PTR_SLL k0, _PAGE_SHIFT + 1
+	PTR_SRL	k0, _PAGE_SHIFT + 1
+	PTR_SLL	k0, _PAGE_SHIFT + 1
 	or	k1, k0
 	MTC0	k1, CP0_ENTRYHI
 	mtc0_tlbw_hazard
@@ -478,27 +478,27 @@ NESTED(nmi_handler, PT_SIZE, sp)
 	/* microMIPS: 0x007d6b3c: rdhwr v1,$29 */
 	MFC0	k1, CP0_EPC
 #if defined(CONFIG_CPU_MICROMIPS) || defined(CONFIG_CPU_MIPS32_R2) || defined(CONFIG_CPU_MIPS64_R2)
-	and     k0, k1, 1
-	beqz    k0, 1f
-	xor     k1, k0
-	lhu     k0, (k1)
-	lhu     k1, 2(k1)
-	ins     k1, k0, 16, 16
-	lui     k0, 0x007d
-	b       docheck
-	ori     k0, 0x6b3c
+	and	k0, k1, 1
+	beqz	k0, 1f
+	 xor	k1, k0
+	lhu	k0, (k1)
+	lhu	k1, 2(k1)
+	ins	k1, k0, 16, 16
+	lui	k0, 0x007d
+	b	docheck
+	 ori	k0, 0x6b3c
 1:
-	lui     k0, 0x7c03
-	lw      k1, (k1)
-	ori     k0, 0xe83b
+	lui	k0, 0x7c03
+	lw	k1, (k1)
+	ori	k0, 0xe83b
 #else
-	andi    k0, k1, 1
-	bnez    k0, handle_ri
-	lui     k0, 0x7c03
-	lw      k1, (k1)
-	ori     k0, 0xe83b
+	andi	k0, k1, 1
+	bnez	k0, handle_ri
+	 lui	k0, 0x7c03
+	lw	k1, (k1)
+	ori	k0, 0xe83b
 #endif
-	.set    reorder
+	.set	reorder
 docheck:
 	bne	k0, k1, handle_ri	/* if not ours */
 
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S
index 4e4cc5b9a..56e8fede3 100644
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -21,7 +21,6 @@
 #include <asm/asmmacro.h>
 #include <asm/irqflags.h>
 #include <asm/regdef.h>
-#include <asm/pgtable-bits.h>
 #include <asm/mipsregs.h>
 #include <asm/stackframe.h>
 
@@ -132,7 +131,27 @@ not_found:
 	set_saved_sp	sp, t0, t1
 	PTR_SUBU	sp, 4 * SZREG		# init stack pointer
 
+#ifdef CONFIG_RELOCATABLE
+	/* Copy kernel and apply the relocations */
+	jal		relocate_kernel
+
+	/* Repoint the sp into the new kernel image */
+	PTR_LI		sp, _THREAD_SIZE - 32 - PT_SIZE
+	PTR_ADDU	sp, $28
+	set_saved_sp	sp, t0, t1
+	PTR_SUBU	sp, 4 * SZREG		# init stack pointer
+
+	/*
+	 * relocate_kernel returns the entry point either
+	 * in the relocated kernel or the original if for
+	 * some reason relocation failed - jump there now
+	 * with instruction hazard barrier because of the
+	 * newly sync'd icache.
+	 */
+	jr.hb		v0
+#else
 	j		start_kernel
+#endif
 	END(kernel_entry)
 
 #ifdef CONFIG_SMP
diff --git a/arch/mips/kernel/idle.c b/arch/mips/kernel/idle.c
index 46794d64c..60ab4c44d 100644
--- a/arch/mips/kernel/idle.c
+++ b/arch/mips/kernel/idle.c
@@ -181,6 +181,11 @@ void __init check_wait(void)
 	case CPU_XLP:
 		cpu_wait = r4k_wait;
 		break;
+	case CPU_LOONGSON3:
+		if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_LOONGSON3A_R2)
+			cpu_wait = r4k_wait;
+		break;
+
 	case CPU_BMIPS5000:
 		cpu_wait = r4k_wait_irqoff;
 		break;
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index 8eb5af805..f25f7eab7 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -54,6 +54,9 @@ void __init init_IRQ(void)
 	for (i = 0; i < NR_IRQS; i++)
 		irq_set_noprobe(i);
 
+	if (cpu_has_veic)
+		clear_c0_status(ST0_IM);
+
 	arch_init_irq();
 }
 
diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c
index 625ee770b..7ff2a557f 100644
--- a/arch/mips/kernel/mips-r2-to-r6-emul.c
+++ b/arch/mips/kernel/mips-r2-to-r6-emul.c
@@ -2202,7 +2202,7 @@ fpu_emul:
 	}
 
 	/*
-	 * Lets not return to userland just yet. It's constly and
+	 * Let's not return to userland just yet. It's costly and
 	 * it's likely we have more R2 instructions to emulate
 	 */
 	if (!err && (pass++ < MIPS_R2_EMUL_TOTAL_PASS)) {
diff --git a/arch/mips/kernel/module-rela.c b/arch/mips/kernel/module-rela.c
index 9083d63b7..781168834 100644
--- a/arch/mips/kernel/module-rela.c
+++ b/arch/mips/kernel/module-rela.c
@@ -16,6 +16,7 @@
  *  Copyright (C) 2001 Rusty Russell.
  *  Copyright (C) 2003, 2004 Ralf Baechle (ralf@linux-mips.org)
  *  Copyright (C) 2005 Thiemo Seufer
+ *  Copyright (C) 2015 Imagination Technologies Ltd.
  */
 
 #include <linux/elf.h>
@@ -35,15 +36,13 @@ static int apply_r_mips_32_rela(struct module *me, u32 *location, Elf_Addr v)
 static int apply_r_mips_26_rela(struct module *me, u32 *location, Elf_Addr v)
 {
 	if (v % 4) {
-		pr_err("module %s: dangerous R_MIPS_26 RELArelocation\n",
+		pr_err("module %s: dangerous R_MIPS_26 RELA relocation\n",
 		       me->name);
 		return -ENOEXEC;
 	}
 
 	if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
-		printk(KERN_ERR
-		       "module %s: relocation overflow\n",
-		       me->name);
+		pr_err("module %s: relocation overflow\n", me->name);
 		return -ENOEXEC;
 	}
 
@@ -67,6 +66,48 @@ static int apply_r_mips_lo16_rela(struct module *me, u32 *location, Elf_Addr v)
 	return 0;
 }
 
+static int apply_r_mips_pc_rela(struct module *me, u32 *location, Elf_Addr v,
+				unsigned bits)
+{
+	unsigned long mask = GENMASK(bits - 1, 0);
+	unsigned long se_bits;
+	long offset;
+
+	if (v % 4) {
+		pr_err("module %s: dangerous R_MIPS_PC%u RELA relocation\n",
+		       me->name, bits);
+		return -ENOEXEC;
+	}
+
+	offset = ((long)v - (long)location) >> 2;
+
+	/* check the sign bit onwards are identical - ie. we didn't overflow */
+	se_bits = (offset & BIT(bits - 1)) ? ~0ul : 0;
+	if ((offset & ~mask) != (se_bits & ~mask)) {
+		pr_err("module %s: relocation overflow\n", me->name);
+		return -ENOEXEC;
+	}
+
+	*location = (*location & ~mask) | (offset & mask);
+
+	return 0;
+}
+
+static int apply_r_mips_pc16_rela(struct module *me, u32 *location, Elf_Addr v)
+{
+	return apply_r_mips_pc_rela(me, location, v, 16);
+}
+
+static int apply_r_mips_pc21_rela(struct module *me, u32 *location, Elf_Addr v)
+{
+	return apply_r_mips_pc_rela(me, location, v, 21);
+}
+
+static int apply_r_mips_pc26_rela(struct module *me, u32 *location, Elf_Addr v)
+{
+	return apply_r_mips_pc_rela(me, location, v, 26);
+}
+
 static int apply_r_mips_64_rela(struct module *me, u32 *location, Elf_Addr v)
 {
 	*(Elf_Addr *)location = v;
@@ -99,9 +140,12 @@ static int (*reloc_handlers_rela[]) (struct module *me, u32 *location,
 	[R_MIPS_26]		= apply_r_mips_26_rela,
 	[R_MIPS_HI16]		= apply_r_mips_hi16_rela,
 	[R_MIPS_LO16]		= apply_r_mips_lo16_rela,
+	[R_MIPS_PC16]		= apply_r_mips_pc16_rela,
 	[R_MIPS_64]		= apply_r_mips_64_rela,
 	[R_MIPS_HIGHER]		= apply_r_mips_higher_rela,
-	[R_MIPS_HIGHEST]	= apply_r_mips_highest_rela
+	[R_MIPS_HIGHEST]	= apply_r_mips_highest_rela,
+	[R_MIPS_PC21_S2]	= apply_r_mips_pc21_rela,
+	[R_MIPS_PC26_S2]	= apply_r_mips_pc26_rela,
 };
 
 int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
@@ -126,11 +170,11 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
 		/* This is the symbol it is referring to */
 		sym = (Elf_Sym *)sechdrs[symindex].sh_addr
 			+ ELF_MIPS_R_SYM(rel[i]);
-		if (IS_ERR_VALUE(sym->st_value)) {
+		if (sym->st_value >= -MAX_ERRNO) {
 			/* Ignore unresolved weak symbol */
 			if (ELF_ST_BIND(sym->st_info) == STB_WEAK)
 				continue;
-			printk(KERN_WARNING "%s: Unknown symbol %s\n",
+			pr_warn("%s: Unknown symbol %s\n",
 			       me->name, strtab + sym->st_name);
 			return -ENOENT;
 		}
diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c
index f9b2936d5..79850e376 100644
--- a/arch/mips/kernel/module.c
+++ b/arch/mips/kernel/module.c
@@ -73,8 +73,7 @@ static int apply_r_mips_26_rel(struct module *me, u32 *location, Elf_Addr v)
 	}
 
 	if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
-		printk(KERN_ERR
-		       "module %s: relocation overflow\n",
+		pr_err("module %s: relocation overflow\n",
 		       me->name);
 		return -ENOEXEC;
 	}
@@ -183,13 +182,62 @@ out_danger:
 	return -ENOEXEC;
 }
 
+static int apply_r_mips_pc_rel(struct module *me, u32 *location, Elf_Addr v,
+			       unsigned bits)
+{
+	unsigned long mask = GENMASK(bits - 1, 0);
+	unsigned long se_bits;
+	long offset;
+
+	if (v % 4) {
+		pr_err("module %s: dangerous R_MIPS_PC%u REL relocation\n",
+		       me->name, bits);
+		return -ENOEXEC;
+	}
+
+	/* retrieve & sign extend implicit addend */
+	offset = *location & mask;
+	offset |= (offset & BIT(bits - 1)) ? ~mask : 0;
+
+	offset += ((long)v - (long)location) >> 2;
+
+	/* check the sign bit onwards are identical - ie. we didn't overflow */
+	se_bits = (offset & BIT(bits - 1)) ? ~0ul : 0;
+	if ((offset & ~mask) != (se_bits & ~mask)) {
+		pr_err("module %s: relocation overflow\n", me->name);
+		return -ENOEXEC;
+	}
+
+	*location = (*location & ~mask) | (offset & mask);
+
+	return 0;
+}
+
+static int apply_r_mips_pc16_rel(struct module *me, u32 *location, Elf_Addr v)
+{
+	return apply_r_mips_pc_rel(me, location, v, 16);
+}
+
+static int apply_r_mips_pc21_rel(struct module *me, u32 *location, Elf_Addr v)
+{
+	return apply_r_mips_pc_rel(me, location, v, 21);
+}
+
+static int apply_r_mips_pc26_rel(struct module *me, u32 *location, Elf_Addr v)
+{
+	return apply_r_mips_pc_rel(me, location, v, 26);
+}
+
 static int (*reloc_handlers_rel[]) (struct module *me, u32 *location,
 				Elf_Addr v) = {
 	[R_MIPS_NONE]		= apply_r_mips_none,
 	[R_MIPS_32]		= apply_r_mips_32_rel,
 	[R_MIPS_26]		= apply_r_mips_26_rel,
 	[R_MIPS_HI16]		= apply_r_mips_hi16_rel,
-	[R_MIPS_LO16]		= apply_r_mips_lo16_rel
+	[R_MIPS_LO16]		= apply_r_mips_lo16_rel,
+	[R_MIPS_PC16]		= apply_r_mips_pc16_rel,
+	[R_MIPS_PC21_S2]	= apply_r_mips_pc21_rel,
+	[R_MIPS_PC26_S2]	= apply_r_mips_pc26_rel,
 };
 
 int apply_relocate(Elf_Shdr *sechdrs, const char *strtab,
@@ -215,12 +263,12 @@ int apply_relocate(Elf_Shdr *sechdrs, const char *strtab,
 		/* This is the symbol it is referring to */
 		sym = (Elf_Sym *)sechdrs[symindex].sh_addr
 			+ ELF_MIPS_R_SYM(rel[i]);
-		if (IS_ERR_VALUE(sym->st_value)) {
+		if (sym->st_value >= -MAX_ERRNO) {
 			/* Ignore unresolved weak symbol */
 			if (ELF_ST_BIND(sym->st_info) == STB_WEAK)
 				continue;
-			printk(KERN_WARNING "%s: Unknown symbol %s\n",
-			       me->name, strtab + sym->st_name);
+			pr_warn("%s: Unknown symbol %s\n",
+				me->name, strtab + sym->st_name);
 			return -ENOENT;
 		}
 
diff --git a/arch/mips/kernel/perf_event.c b/arch/mips/kernel/perf_event.c
index c1cf9c6c3..d64056e0b 100644
--- a/arch/mips/kernel/perf_event.c
+++ b/arch/mips/kernel/perf_event.c
@@ -25,8 +25,8 @@
  * the user stack callchains, we will add it here.
  */
 
-static void save_raw_perf_callchain(struct perf_callchain_entry *entry,
-	unsigned long reg29)
+static void save_raw_perf_callchain(struct perf_callchain_entry_ctx *entry,
+				    unsigned long reg29)
 {
 	unsigned long *sp = (unsigned long *)reg29;
 	unsigned long addr;
@@ -35,14 +35,14 @@ static void save_raw_perf_callchain(struct perf_callchain_entry *entry,
 		addr = *sp++;
 		if (__kernel_text_address(addr)) {
 			perf_callchain_store(entry, addr);
-			if (entry->nr >= PERF_MAX_STACK_DEPTH)
+			if (entry->nr >= entry->max_stack)
 				break;
 		}
 	}
 }
 
-void perf_callchain_kernel(struct perf_callchain_entry *entry,
-		      struct pt_regs *regs)
+void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry,
+			   struct pt_regs *regs)
 {
 	unsigned long sp = regs->regs[29];
 #ifdef CONFIG_KALLSYMS
@@ -59,7 +59,7 @@ void perf_callchain_kernel(struct perf_callchain_entry *entry,
 	}
 	do {
 		perf_callchain_store(entry, pc);
-		if (entry->nr >= PERF_MAX_STACK_DEPTH)
+		if (entry->nr >= entry->max_stack)
 			break;
 		pc = unwind_stack(current, &sp, pc, &ra);
 	} while (pc);
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index 9bc1191b1..d3ba9f410 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -101,8 +101,6 @@ struct mips_pmu {
 
 static struct mips_pmu mipspmu;
 
-#define M_CONFIG1_PC	(1 << 4)
-
 #define M_PERFCTL_EXL			(1	<<  0)
 #define M_PERFCTL_KERNEL		(1	<<  1)
 #define M_PERFCTL_SUPERVISOR		(1	<<  2)
@@ -754,7 +752,7 @@ static void handle_associated_event(struct cpu_hw_events *cpuc,
 
 static int __n_counters(void)
 {
-	if (!(read_c0_config1() & M_CONFIG1_PC))
+	if (!cpu_has_perf)
 		return 0;
 	if (!(read_c0_perfctrl0() & M_PERFCTL_MORE))
 		return 1;
@@ -825,6 +823,16 @@ static const struct mips_perf_event mipsxxcore_event_map2
 	[PERF_COUNT_HW_BRANCH_MISSES] = { 0x27, CNTR_ODD, T },
 };
 
+static const struct mips_perf_event i6400_event_map[PERF_COUNT_HW_MAX] = {
+	[PERF_COUNT_HW_CPU_CYCLES]          = { 0x00, CNTR_EVEN | CNTR_ODD },
+	[PERF_COUNT_HW_INSTRUCTIONS]        = { 0x01, CNTR_EVEN | CNTR_ODD },
+	/* These only count dcache, not icache */
+	[PERF_COUNT_HW_CACHE_REFERENCES]    = { 0x45, CNTR_EVEN | CNTR_ODD },
+	[PERF_COUNT_HW_CACHE_MISSES]        = { 0x48, CNTR_EVEN | CNTR_ODD },
+	[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { 0x15, CNTR_EVEN | CNTR_ODD },
+	[PERF_COUNT_HW_BRANCH_MISSES]       = { 0x16, CNTR_EVEN | CNTR_ODD },
+};
+
 static const struct mips_perf_event loongson3_event_map[PERF_COUNT_HW_MAX] = {
 	[PERF_COUNT_HW_CPU_CYCLES] = { 0x00, CNTR_EVEN },
 	[PERF_COUNT_HW_INSTRUCTIONS] = { 0x00, CNTR_ODD },
@@ -1015,6 +1023,46 @@ static const struct mips_perf_event mipsxxcore_cache_map2
 },
 };
 
+static const struct mips_perf_event i6400_cache_map
+				[PERF_COUNT_HW_CACHE_MAX]
+				[PERF_COUNT_HW_CACHE_OP_MAX]
+				[PERF_COUNT_HW_CACHE_RESULT_MAX] = {
+[C(L1D)] = {
+	[C(OP_READ)] = {
+		[C(RESULT_ACCESS)]	= { 0x46, CNTR_EVEN | CNTR_ODD },
+		[C(RESULT_MISS)]	= { 0x49, CNTR_EVEN | CNTR_ODD },
+	},
+	[C(OP_WRITE)] = {
+		[C(RESULT_ACCESS)]	= { 0x47, CNTR_EVEN | CNTR_ODD },
+		[C(RESULT_MISS)]	= { 0x4a, CNTR_EVEN | CNTR_ODD },
+	},
+},
+[C(L1I)] = {
+	[C(OP_READ)] = {
+		[C(RESULT_ACCESS)]	= { 0x84, CNTR_EVEN | CNTR_ODD },
+		[C(RESULT_MISS)]	= { 0x85, CNTR_EVEN | CNTR_ODD },
+	},
+},
+[C(DTLB)] = {
+	/* Can't distinguish read & write */
+	[C(OP_READ)] = {
+		[C(RESULT_ACCESS)]	= { 0x40, CNTR_EVEN | CNTR_ODD },
+		[C(RESULT_MISS)]	= { 0x41, CNTR_EVEN | CNTR_ODD },
+	},
+	[C(OP_WRITE)] = {
+		[C(RESULT_ACCESS)]	= { 0x40, CNTR_EVEN | CNTR_ODD },
+		[C(RESULT_MISS)]	= { 0x41, CNTR_EVEN | CNTR_ODD },
+	},
+},
+[C(BPU)] = {
+	/* Conditional branches / mispredicted */
+	[C(OP_READ)] = {
+		[C(RESULT_ACCESS)]	= { 0x15, CNTR_EVEN | CNTR_ODD },
+		[C(RESULT_MISS)]	= { 0x16, CNTR_EVEN | CNTR_ODD },
+	},
+},
+};
+
 static const struct mips_perf_event loongson3_cache_map
 				[PERF_COUNT_HW_CACHE_MAX]
 				[PERF_COUNT_HW_CACHE_OP_MAX]
@@ -1556,6 +1604,7 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config)
 #endif
 		break;
 	case CPU_P5600:
+	case CPU_P6600:
 	case CPU_I6400:
 		/* 8-bit event numbers */
 		raw_id = config & 0x1ff;
@@ -1718,11 +1767,16 @@ init_hw_perf_events(void)
 		mipspmu.general_event_map = &mipsxxcore_event_map2;
 		mipspmu.cache_event_map = &mipsxxcore_cache_map2;
 		break;
-	case CPU_I6400:
-		mipspmu.name = "mips/I6400";
+	case CPU_P6600:
+		mipspmu.name = "mips/P6600";
 		mipspmu.general_event_map = &mipsxxcore_event_map2;
 		mipspmu.cache_event_map = &mipsxxcore_cache_map2;
 		break;
+	case CPU_I6400:
+		mipspmu.name = "mips/I6400";
+		mipspmu.general_event_map = &i6400_event_map;
+		mipspmu.cache_event_map = &i6400_cache_map;
+		break;
 	case CPU_1004K:
 		mipspmu.name = "mips/1004K";
 		mipspmu.general_event_map = &mipsxxcore_event_map;
diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c
index fa3f9ebad..adda3ffb9 100644
--- a/arch/mips/kernel/pm-cps.c
+++ b/arch/mips/kernel/pm-cps.c
@@ -224,11 +224,18 @@ static void __init cps_gen_cache_routine(u32 **pp, struct uasm_label **pl,
 	uasm_build_label(pl, *pp, lbl);
 
 	/* Generate the cache ops */
-	for (i = 0; i < unroll_lines; i++)
-		uasm_i_cache(pp, op, i * cache->linesz, t0);
+	for (i = 0; i < unroll_lines; i++) {
+		if (cpu_has_mips_r6) {
+			uasm_i_cache(pp, op, 0, t0);
+			uasm_i_addiu(pp, t0, t0, cache->linesz);
+		} else {
+			uasm_i_cache(pp, op, i * cache->linesz, t0);
+		}
+	}
 
-	/* Update the base address */
-	uasm_i_addiu(pp, t0, t0, unroll_lines * cache->linesz);
+	if (!cpu_has_mips_r6)
+		/* Update the base address */
+		uasm_i_addiu(pp, t0, t0, unroll_lines * cache->linesz);
 
 	/* Loop if we haven't reached the end address yet */
 	uasm_il_bne(pp, pr, t0, t1, lbl);
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 298b2b773..97dc01b03 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -114,6 +114,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	if (cpu_has_smartmips)	seq_printf(m, "%s", " smartmips");
 	if (cpu_has_dsp)	seq_printf(m, "%s", " dsp");
 	if (cpu_has_dsp2)	seq_printf(m, "%s", " dsp2");
+	if (cpu_has_dsp3)	seq_printf(m, "%s", " dsp3");
 	if (cpu_has_mipsmt)	seq_printf(m, "%s", " mt");
 	if (cpu_has_mmips)	seq_printf(m, "%s", " micromips");
 	if (cpu_has_vz)		seq_printf(m, "%s", " vz");
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index d83730cd2..813ed7829 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -73,14 +73,6 @@ void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long sp)
 	regs->regs[29] = sp;
 }
 
-void exit_thread(void)
-{
-}
-
-void flush_thread(void)
-{
-}
-
 int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
 {
 	/*
@@ -353,7 +345,7 @@ static int get_frame_info(struct mips_frame_info *info)
 		return 0;
 	if (info->pc_offset < 0) /* leaf */
 		return 1;
-	/* prologue seems boggus... */
+	/* prologue seems bogus... */
 err:
 	return -1;
 }
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 4285d8b7c..0dcf69194 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -221,7 +221,8 @@ int ptrace_get_watch_regs(struct task_struct *child,
 	for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) {
 		__put_user(child->thread.watch.mips3264.watchlo[i],
 			   &addr->WATCH_STYLE.watchlo[i]);
-		__put_user(child->thread.watch.mips3264.watchhi[i] & 0xfff,
+		__put_user(child->thread.watch.mips3264.watchhi[i] &
+				(MIPS_WATCHHI_MASK | MIPS_WATCHHI_IRW),
 			   &addr->WATCH_STYLE.watchhi[i]);
 		__put_user(boot_cpu_data.watch_reg_masks[i],
 			   &addr->WATCH_STYLE.watch_masks[i]);
@@ -263,12 +264,12 @@ int ptrace_set_watch_regs(struct task_struct *child,
 		}
 #endif
 		__get_user(ht[i], &addr->WATCH_STYLE.watchhi[i]);
-		if (ht[i] & ~0xff8)
+		if (ht[i] & ~MIPS_WATCHHI_MASK)
 			return -EINVAL;
 	}
 	/* Install them. */
 	for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) {
-		if (lt[i] & 7)
+		if (lt[i] & MIPS_WATCHLO_IRW)
 			watch_active = 1;
 		child->thread.watch.mips3264.watchlo[i] = lt[i];
 		/* Set the G bit. */
diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S
index 92cd0516e..2f0a3b223 100644
--- a/arch/mips/kernel/r4k_switch.S
+++ b/arch/mips/kernel/r4k_switch.S
@@ -15,7 +15,6 @@
 #include <asm/fpregdef.h>
 #include <asm/mipsregs.h>
 #include <asm/asm-offsets.h>
-#include <asm/pgtable-bits.h>
 #include <asm/regdef.h>
 #include <asm/stackframe.h>
 #include <asm/thread_info.h>
diff --git a/arch/mips/kernel/relocate.c b/arch/mips/kernel/relocate.c
new file mode 100644
index 000000000..ca1cc30c0
--- /dev/null
+++ b/arch/mips/kernel/relocate.c
@@ -0,0 +1,386 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Support for Kernel relocation at boot time
+ *
+ * Copyright (C) 2015, Imagination Technologies Ltd.
+ * Authors: Matt Redfearn (matt.redfearn@imgtec.com)
+ */
+#include <asm/bootinfo.h>
+#include <asm/cacheflush.h>
+#include <asm/fw/fw.h>
+#include <asm/sections.h>
+#include <asm/setup.h>
+#include <asm/timex.h>
+#include <linux/elf.h>
+#include <linux/kernel.h>
+#include <linux/libfdt.h>
+#include <linux/of_fdt.h>
+#include <linux/sched.h>
+#include <linux/start_kernel.h>
+#include <linux/string.h>
+#include <linux/printk.h>
+
+#define RELOCATED(x) ((void *)((long)x + offset))
+
+extern u32 _relocation_start[];	/* End kernel image / start relocation table */
+extern u32 _relocation_end[];	/* End relocation table */
+
+extern long __start___ex_table;	/* Start exception table */
+extern long __stop___ex_table;	/* End exception table */
+
+static inline u32 __init get_synci_step(void)
+{
+	u32 res;
+
+	__asm__("rdhwr  %0, $1" : "=r" (res));
+
+	return res;
+}
+
+static void __init sync_icache(void *kbase, unsigned long kernel_length)
+{
+	void *kend = kbase + kernel_length;
+	u32 step = get_synci_step();
+
+	do {
+		__asm__ __volatile__(
+			"synci  0(%0)"
+			: /* no output */
+			: "r" (kbase));
+
+		kbase += step;
+	} while (kbase < kend);
+
+	/* Completion barrier */
+	__sync();
+}
+
+static int __init apply_r_mips_64_rel(u32 *loc_orig, u32 *loc_new, long offset)
+{
+	*(u64 *)loc_new += offset;
+
+	return 0;
+}
+
+static int __init apply_r_mips_32_rel(u32 *loc_orig, u32 *loc_new, long offset)
+{
+	*loc_new += offset;
+
+	return 0;
+}
+
+static int __init apply_r_mips_26_rel(u32 *loc_orig, u32 *loc_new, long offset)
+{
+	unsigned long target_addr = (*loc_orig) & 0x03ffffff;
+
+	if (offset % 4) {
+		pr_err("Dangerous R_MIPS_26 REL relocation\n");
+		return -ENOEXEC;
+	}
+
+	/* Original target address */
+	target_addr <<= 2;
+	target_addr += (unsigned long)loc_orig & ~0x03ffffff;
+
+	/* Get the new target address */
+	target_addr += offset;
+
+	if ((target_addr & 0xf0000000) != ((unsigned long)loc_new & 0xf0000000)) {
+		pr_err("R_MIPS_26 REL relocation overflow\n");
+		return -ENOEXEC;
+	}
+
+	target_addr -= (unsigned long)loc_new & ~0x03ffffff;
+	target_addr >>= 2;
+
+	*loc_new = (*loc_new & ~0x03ffffff) | (target_addr & 0x03ffffff);
+
+	return 0;
+}
+
+
+static int __init apply_r_mips_hi16_rel(u32 *loc_orig, u32 *loc_new, long offset)
+{
+	unsigned long insn = *loc_orig;
+	unsigned long target = (insn & 0xffff) << 16; /* high 16bits of target */
+
+	target += offset;
+
+	*loc_new = (insn & ~0xffff) | ((target >> 16) & 0xffff);
+	return 0;
+}
+
+static int (*reloc_handlers_rel[]) (u32 *, u32 *, long) __initdata = {
+	[R_MIPS_64]		= apply_r_mips_64_rel,
+	[R_MIPS_32]		= apply_r_mips_32_rel,
+	[R_MIPS_26]		= apply_r_mips_26_rel,
+	[R_MIPS_HI16]		= apply_r_mips_hi16_rel,
+};
+
+int __init do_relocations(void *kbase_old, void *kbase_new, long offset)
+{
+	u32 *r;
+	u32 *loc_orig;
+	u32 *loc_new;
+	int type;
+	int res;
+
+	for (r = _relocation_start; r < _relocation_end; r++) {
+		/* Sentinel for last relocation */
+		if (*r == 0)
+			break;
+
+		type = (*r >> 24) & 0xff;
+		loc_orig = (void *)(kbase_old + ((*r & 0x00ffffff) << 2));
+		loc_new = RELOCATED(loc_orig);
+
+		if (reloc_handlers_rel[type] == NULL) {
+			/* Unsupported relocation */
+			pr_err("Unhandled relocation type %d at 0x%pK\n",
+			       type, loc_orig);
+			return -ENOEXEC;
+		}
+
+		res = reloc_handlers_rel[type](loc_orig, loc_new, offset);
+		if (res)
+			return res;
+	}
+
+	return 0;
+}
+
+/*
+ * The exception table is filled in by the relocs tool after vmlinux is linked.
+ * It must be relocated separately since there will not be any relocation
+ * information for it filled in by the linker.
+ */
+static int __init relocate_exception_table(long offset)
+{
+	unsigned long *etable_start, *etable_end, *e;
+
+	etable_start = RELOCATED(&__start___ex_table);
+	etable_end = RELOCATED(&__stop___ex_table);
+
+	for (e = etable_start; e < etable_end; e++)
+		*e += offset;
+
+	return 0;
+}
+
+#ifdef CONFIG_RANDOMIZE_BASE
+
+static inline __init unsigned long rotate_xor(unsigned long hash,
+					      const void *area, size_t size)
+{
+	size_t i;
+	unsigned long *ptr = (unsigned long *)area;
+
+	for (i = 0; i < size / sizeof(hash); i++) {
+		/* Rotate by odd number of bits and XOR. */
+		hash = (hash << ((sizeof(hash) * 8) - 7)) | (hash >> 7);
+		hash ^= ptr[i];
+	}
+
+	return hash;
+}
+
+static inline __init unsigned long get_random_boot(void)
+{
+	unsigned long entropy = random_get_entropy();
+	unsigned long hash = 0;
+
+	/* Attempt to create a simple but unpredictable starting entropy. */
+	hash = rotate_xor(hash, linux_banner, strlen(linux_banner));
+
+	/* Add in any runtime entropy we can get */
+	hash = rotate_xor(hash, &entropy, sizeof(entropy));
+
+#if defined(CONFIG_USE_OF)
+	/* Get any additional entropy passed in device tree */
+	{
+		int node, len;
+		u64 *prop;
+
+		node = fdt_path_offset(initial_boot_params, "/chosen");
+		if (node >= 0) {
+			prop = fdt_getprop_w(initial_boot_params, node,
+					     "kaslr-seed", &len);
+			if (prop && (len == sizeof(u64)))
+				hash = rotate_xor(hash, prop, sizeof(*prop));
+		}
+	}
+#endif /* CONFIG_USE_OF */
+
+	return hash;
+}
+
+static inline __init bool kaslr_disabled(void)
+{
+	char *str;
+
+#if defined(CONFIG_CMDLINE_BOOL)
+	const char *builtin_cmdline = CONFIG_CMDLINE;
+
+	str = strstr(builtin_cmdline, "nokaslr");
+	if (str == builtin_cmdline ||
+	    (str > builtin_cmdline && *(str - 1) == ' '))
+		return true;
+#endif
+	str = strstr(arcs_cmdline, "nokaslr");
+	if (str == arcs_cmdline || (str > arcs_cmdline && *(str - 1) == ' '))
+		return true;
+
+	return false;
+}
+
+static inline void __init *determine_relocation_address(void)
+{
+	/* Choose a new address for the kernel */
+	unsigned long kernel_length;
+	void *dest = &_text;
+	unsigned long offset;
+
+	if (kaslr_disabled())
+		return dest;
+
+	kernel_length = (long)_end - (long)(&_text);
+
+	offset = get_random_boot() << 16;
+	offset &= (CONFIG_RANDOMIZE_BASE_MAX_OFFSET - 1);
+	if (offset < kernel_length)
+		offset += ALIGN(kernel_length, 0xffff);
+
+	return RELOCATED(dest);
+}
+
+#else
+
+static inline void __init *determine_relocation_address(void)
+{
+	/*
+	 * Choose a new address for the kernel
+	 * For now we'll hard code the destination
+	 */
+	return (void *)0xffffffff81000000;
+}
+
+#endif
+
+static inline int __init relocation_addr_valid(void *loc_new)
+{
+	if ((unsigned long)loc_new & 0x0000ffff) {
+		/* Inappropriately aligned new location */
+		return 0;
+	}
+	if ((unsigned long)loc_new < (unsigned long)&_end) {
+		/* New location overlaps original kernel */
+		return 0;
+	}
+	return 1;
+}
+
+void *__init relocate_kernel(void)
+{
+	void *loc_new;
+	unsigned long kernel_length;
+	unsigned long bss_length;
+	long offset = 0;
+	int res = 1;
+	/* Default to original kernel entry point */
+	void *kernel_entry = start_kernel;
+
+	/* Get the command line */
+	fw_init_cmdline();
+#if defined(CONFIG_USE_OF)
+	/* Deal with the device tree */
+	early_init_dt_scan(plat_get_fdt());
+	if (boot_command_line[0]) {
+		/* Boot command line was passed in device tree */
+		strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
+	}
+#endif /* CONFIG_USE_OF */
+
+	kernel_length = (long)(&_relocation_start) - (long)(&_text);
+	bss_length = (long)&__bss_stop - (long)&__bss_start;
+
+	loc_new = determine_relocation_address();
+
+	/* Sanity check relocation address */
+	if (relocation_addr_valid(loc_new))
+		offset = (unsigned long)loc_new - (unsigned long)(&_text);
+
+	/* Reset the command line now so we don't end up with a duplicate */
+	arcs_cmdline[0] = '\0';
+
+	if (offset) {
+		/* Copy the kernel to it's new location */
+		memcpy(loc_new, &_text, kernel_length);
+
+		/* Perform relocations on the new kernel */
+		res = do_relocations(&_text, loc_new, offset);
+		if (res < 0)
+			goto out;
+
+		/* Sync the caches ready for execution of new kernel */
+		sync_icache(loc_new, kernel_length);
+
+		res = relocate_exception_table(offset);
+		if (res < 0)
+			goto out;
+
+		/*
+		 * The original .bss has already been cleared, and
+		 * some variables such as command line parameters
+		 * stored to it so make a copy in the new location.
+		 */
+		memcpy(RELOCATED(&__bss_start), &__bss_start, bss_length);
+
+		/* The current thread is now within the relocated image */
+		__current_thread_info = RELOCATED(&init_thread_union);
+
+		/* Return the new kernel's entry point */
+		kernel_entry = RELOCATED(start_kernel);
+	}
+out:
+	return kernel_entry;
+}
+
+/*
+ * Show relocation information on panic.
+ */
+void show_kernel_relocation(const char *level)
+{
+	unsigned long offset;
+
+	offset = __pa_symbol(_text) - __pa_symbol(VMLINUX_LOAD_ADDRESS);
+
+	if (IS_ENABLED(CONFIG_RELOCATABLE) && offset > 0) {
+		printk(level);
+		pr_cont("Kernel relocated by 0x%pK\n", (void *)offset);
+		pr_cont(" .text @ 0x%pK\n", _text);
+		pr_cont(" .data @ 0x%pK\n", _sdata);
+		pr_cont(" .bss  @ 0x%pK\n", __bss_start);
+	}
+}
+
+static int kernel_location_notifier_fn(struct notifier_block *self,
+				       unsigned long v, void *p)
+{
+	show_kernel_relocation(KERN_EMERG);
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block kernel_location_notifier = {
+	.notifier_call = kernel_location_notifier_fn
+};
+
+static int __init register_kernel_offset_dumper(void)
+{
+	atomic_notifier_chain_register(&panic_notifier_list,
+				       &kernel_location_notifier);
+	return 0;
+}
+__initcall(register_kernel_offset_dumper);
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index d01fe53a6..c8e43e0c4 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -35,7 +35,6 @@ NESTED(handle_sys, PT_SIZE, sp)
 
 	lw	t1, PT_EPC(sp)		# skip syscall on return
 
-	subu	v0, v0, __NR_O32_Linux	# check syscall number
 	addiu	t1, 4			# skip to next instruction
 	sw	t1, PT_EPC(sp)
 
@@ -89,6 +88,7 @@ loads_done:
 	and	t0, t1
 	bnez	t0, syscall_trace_entry # -> yes
 syscall_common:
+	subu	v0, v0, __NR_O32_Linux	# check syscall number
 	sltiu	t0, v0, __NR_O32_Linux_syscalls + 1
 	beqz	t0, illegal_syscall
 
@@ -118,24 +118,23 @@ o32_syscall_exit:
 
 syscall_trace_entry:
 	SAVE_STATIC
-	move	s0, v0
 	move	a0, sp
 
 	/*
 	 * syscall number is in v0 unless we called syscall(__NR_###)
 	 * where the real syscall number is in a0
 	 */
-	addiu	a1, v0,  __NR_O32_Linux
-	bnez	v0, 1f /* __NR_syscall at offset 0 */
+	move	a1, v0
+	subu	t2, v0,  __NR_O32_Linux
+	bnez	t2, 1f /* __NR_syscall at offset 0 */
 	lw	a1, PT_R4(sp)
 
 1:	jal	syscall_trace_enter
 
 	bltz	v0, 1f			# seccomp failed? Skip syscall
 
-	move	v0, s0			# restore syscall
-
 	RESTORE_STATIC
+	lw	v0, PT_R2(sp)		# Restore syscall (maybe modified)
 	lw	a0, PT_R4(sp)		# Restore argument registers
 	lw	a1, PT_R5(sp)
 	lw	a2, PT_R6(sp)
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 6b73ecc02..e6ede1250 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -82,15 +82,14 @@ n64_syscall_exit:
 
 syscall_trace_entry:
 	SAVE_STATIC
-	move	s0, v0
 	move	a0, sp
 	move	a1, v0
 	jal	syscall_trace_enter
 
 	bltz	v0, 1f			# seccomp failed? Skip syscall
 
-	move	v0, s0
 	RESTORE_STATIC
+	ld	v0, PT_R2(sp)		# Restore syscall (maybe modified)
 	ld	a0, PT_R4(sp)		# Restore argument registers
 	ld	a1, PT_R5(sp)
 	ld	a2, PT_R6(sp)
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 71f99d5f7..51d398893 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -42,9 +42,6 @@ NESTED(handle_sysn32, PT_SIZE, sp)
 #endif
 	beqz	t0, not_n32_scall
 
-	dsll	t0, v0, 3		# offset into table
-	ld	t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0)
-
 	sd	a3, PT_R26(sp)		# save a3 for syscall restarting
 
 	li	t1, _TIF_WORK_SYSCALL_ENTRY
@@ -53,6 +50,9 @@ NESTED(handle_sysn32, PT_SIZE, sp)
 	bnez	t0, n32_syscall_trace_entry
 
 syscall_common:
+	dsll	t0, v0, 3		# offset into table
+	ld	t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0)
+
 	jalr	t2			# Do The Real Thing (TM)
 
 	li	t0, -EMAXERRNO - 1	# error?
@@ -71,21 +71,25 @@ syscall_common:
 
 n32_syscall_trace_entry:
 	SAVE_STATIC
-	move	s0, t2
 	move	a0, sp
 	move	a1, v0
 	jal	syscall_trace_enter
 
 	bltz	v0, 1f			# seccomp failed? Skip syscall
 
-	move	t2, s0
 	RESTORE_STATIC
+	ld	v0, PT_R2(sp)		# Restore syscall (maybe modified)
 	ld	a0, PT_R4(sp)		# Restore argument registers
 	ld	a1, PT_R5(sp)
 	ld	a2, PT_R6(sp)
 	ld	a3, PT_R7(sp)
 	ld	a4, PT_R8(sp)
 	ld	a5, PT_R9(sp)
+
+	dsubu	t2, v0, __NR_N32_Linux	# check (new) syscall number
+	sltiu   t0, t2, __NR_N32_Linux_syscalls + 1
+	beqz	t0, not_n32_scall
+
 	j	syscall_common
 
 1:	j	syscall_exit
@@ -344,7 +348,7 @@ EXPORT(sysn32_call_table)
 	PTR	sys_ni_syscall			/* available, was setaltroot */
 	PTR	sys_add_key
 	PTR	sys_request_key
-	PTR	sys_keyctl			/* 6245 */
+	PTR	compat_sys_keyctl		/* 6245 */
 	PTR	sys_set_thread_area
 	PTR	sys_inotify_init
 	PTR	sys_inotify_add_watch
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 91b43eea2..6efa71367 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -52,9 +52,6 @@ NESTED(handle_sys, PT_SIZE, sp)
 	sll	a2, a2, 0
 	sll	a3, a3, 0
 
-	dsll	t0, v0, 3		# offset into table
-	ld	t2, (sys32_call_table - (__NR_O32_Linux * 8))(t0)
-
 	sd	a3, PT_R26(sp)		# save a3 for syscall restarting
 
 	/*
@@ -88,6 +85,9 @@ loads_done:
 	bnez	t0, trace_a_syscall
 
 syscall_common:
+	dsll	t0, v0, 3		# offset into table
+	ld	t2, (sys32_call_table - (__NR_O32_Linux * 8))(t0)
+
 	jalr	t2			# Do The Real Thing (TM)
 
 	li	t0, -EMAXERRNO - 1	# error?
@@ -112,7 +112,6 @@ trace_a_syscall:
 	sd	a6, PT_R10(sp)
 	sd	a7, PT_R11(sp)		# For indirect syscalls
 
-	move	s0, t2			# Save syscall pointer
 	move	a0, sp
 	/*
 	 * absolute syscall number is in v0 unless we called syscall(__NR_###)
@@ -133,8 +132,8 @@ trace_a_syscall:
 
 	bltz	v0, 1f			# seccomp failed? Skip syscall
 
-	move	t2, s0
 	RESTORE_STATIC
+	ld	v0, PT_R2(sp)		# Restore syscall (maybe modified)
 	ld	a0, PT_R4(sp)		# Restore argument registers
 	ld	a1, PT_R5(sp)
 	ld	a2, PT_R6(sp)
@@ -143,6 +142,11 @@ trace_a_syscall:
 	ld	a5, PT_R9(sp)
 	ld	a6, PT_R10(sp)
 	ld	a7, PT_R11(sp)		# For indirect syscalls
+
+	dsubu	t0, v0, __NR_O32_Linux	# check (new) syscall number
+	sltiu	t0, t0, __NR_O32_Linux_syscalls + 1
+	beqz	t0, not_o32_scall
+
 	j	syscall_common
 
 1:	j	syscall_exit
@@ -500,7 +504,7 @@ EXPORT(sys32_call_table)
 	PTR	sys_ni_syscall			/* available, was setaltroot */
 	PTR	sys_add_key			/* 4280 */
 	PTR	sys_request_key
-	PTR	sys_keyctl
+	PTR	compat_sys_keyctl
 	PTR	sys_set_thread_area
 	PTR	sys_inotify_init
 	PTR	sys_inotify_add_watch		/* 4285 */
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index d20caacfd..ef408a03e 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -26,6 +26,7 @@
 #include <linux/sizes.h>
 #include <linux/device.h>
 #include <linux/dma-contiguous.h>
+#include <linux/decompress/generic.h>
 
 #include <asm/addrspace.h>
 #include <asm/bootinfo.h>
@@ -52,13 +53,6 @@ struct screen_info screen_info;
 #endif
 
 /*
- * Despite it's name this variable is even if we don't have PCI
- */
-unsigned int PCI_DMA_BUS_IS_PHYS;
-
-EXPORT_SYMBOL(PCI_DMA_BUS_IS_PHYS);
-
-/*
  * Setup information
  *
  * These are initialized so they are in the .data section
@@ -250,6 +244,35 @@ disable:
 	return 0;
 }
 
+/* In some conditions (e.g. big endian bootloader with a little endian
+   kernel), the initrd might appear byte swapped.  Try to detect this and
+   byte swap it if needed.  */
+static void __init maybe_bswap_initrd(void)
+{
+#if defined(CONFIG_CPU_CAVIUM_OCTEON)
+	u64 buf;
+
+	/* Check for CPIO signature */
+	if (!memcmp((void *)initrd_start, "070701", 6))
+		return;
+
+	/* Check for compressed initrd */
+	if (decompress_method((unsigned char *)initrd_start, 8, NULL))
+		return;
+
+	/* Try again with a byte swapped header */
+	buf = swab64p((u64 *)initrd_start);
+	if (!memcmp(&buf, "070701", 6) ||
+	    decompress_method((unsigned char *)(&buf), 8, NULL)) {
+		unsigned long i;
+
+		pr_info("Byteswapped initrd detected\n");
+		for (i = initrd_start; i < ALIGN(initrd_end, 8); i += 8)
+			swab64s((u64 *)i);
+	}
+#endif
+}
+
 static void __init finalize_initrd(void)
 {
 	unsigned long size = initrd_end - initrd_start;
@@ -263,6 +286,8 @@ static void __init finalize_initrd(void)
 		goto disable;
 	}
 
+	maybe_bswap_initrd();
+
 	reserve_bootmem(__pa(initrd_start), size, BOOTMEM_DEFAULT);
 	initrd_below_start_ok = 1;
 
@@ -469,6 +494,29 @@ static void __init bootmem_init(void)
 	 */
 	reserve_bootmem(PFN_PHYS(mapstart), bootmap_size, BOOTMEM_DEFAULT);
 
+#ifdef CONFIG_RELOCATABLE
+	/*
+	 * The kernel reserves all memory below its _end symbol as bootmem,
+	 * but the kernel may now be at a much higher address. The memory
+	 * between the original and new locations may be returned to the system.
+	 */
+	if (__pa_symbol(_text) > __pa_symbol(VMLINUX_LOAD_ADDRESS)) {
+		unsigned long offset;
+		extern void show_kernel_relocation(const char *level);
+
+		offset = __pa_symbol(_text) - __pa_symbol(VMLINUX_LOAD_ADDRESS);
+		free_bootmem(__pa_symbol(VMLINUX_LOAD_ADDRESS), offset);
+
+#if defined(CONFIG_DEBUG_KERNEL) && defined(CONFIG_DEBUG_INFO)
+		/*
+		 * This information is necessary when debugging the kernel
+		 * But is a security vulnerability otherwise!
+		 */
+		show_kernel_relocation(KERN_INFO);
+#endif
+	}
+#endif
+
 	/*
 	 * Reserve initrd memory if needed.
 	 */
@@ -624,6 +672,8 @@ static void __init request_crashkernel(struct resource *res)
 #define USE_PROM_CMDLINE	IS_ENABLED(CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER)
 #define USE_DTB_CMDLINE		IS_ENABLED(CONFIG_MIPS_CMDLINE_FROM_DTB)
 #define EXTEND_WITH_PROM	IS_ENABLED(CONFIG_MIPS_CMDLINE_DTB_EXTEND)
+#define BUILTIN_EXTEND_WITH_PROM	\
+	IS_ENABLED(CONFIG_MIPS_CMDLINE_BUILTIN_EXTEND)
 
 static void __init arch_mem_init(char **cmdline_p)
 {
@@ -657,15 +707,23 @@ static void __init arch_mem_init(char **cmdline_p)
 		strlcpy(boot_command_line, arcs_cmdline, COMMAND_LINE_SIZE);
 
 	if (EXTEND_WITH_PROM && arcs_cmdline[0]) {
-		strlcat(boot_command_line, " ", COMMAND_LINE_SIZE);
+		if (boot_command_line[0])
+			strlcat(boot_command_line, " ", COMMAND_LINE_SIZE);
 		strlcat(boot_command_line, arcs_cmdline, COMMAND_LINE_SIZE);
 	}
 
 #if defined(CONFIG_CMDLINE_BOOL)
 	if (builtin_cmdline[0]) {
-		strlcat(boot_command_line, " ", COMMAND_LINE_SIZE);
+		if (boot_command_line[0])
+			strlcat(boot_command_line, " ", COMMAND_LINE_SIZE);
 		strlcat(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE);
 	}
+
+	if (BUILTIN_EXTEND_WITH_PROM && arcs_cmdline[0]) {
+		if (boot_command_line[0])
+			strlcat(boot_command_line, " ", COMMAND_LINE_SIZE);
+		strlcat(boot_command_line, arcs_cmdline, COMMAND_LINE_SIZE);
+	}
 #endif
 #endif
 	strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 9e35b6b26..ae4231452 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -793,7 +793,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
 		regs->regs[0] = 0;		/* Don't deal with this again.	*/
 	}
 
-	if (sig_uses_siginfo(&ksig->ka))
+	if (sig_uses_siginfo(&ksig->ka, abi))
 		ret = abi->setup_rt_frame(vdso + abi->vdso->off_rt_sigreturn,
 					  ksig, regs, oldset);
 	else
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index 4909639aa..78c8349d1 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -227,6 +227,12 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
 			err |= __put_user(from->si_uid, &to->si_uid);
 			err |= __put_user(from->si_int, &to->si_int);
 			break;
+		case __SI_SYS >> 16:
+			err |= __copy_to_user(&to->si_call_addr, &from->si_call_addr,
+					      sizeof(compat_uptr_t));
+			err |= __put_user(from->si_syscall, &to->si_syscall);
+			err |= __put_user(from->si_arch, &to->si_arch);
+			break;
 		}
 	}
 	return err;
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index 78cf8c2f1..e02addc03 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -243,6 +243,7 @@ static void bmips_init_secondary(void)
 		break;
 	case CPU_BMIPS5000:
 		write_c0_brcm_action(ACTION_CLR_IPI(smp_processor_id(), 0));
+		current_cpu_data.core = (read_c0_brcm_config() >> 25) & 3;
 		break;
 	}
 }
@@ -565,3 +566,90 @@ asmlinkage void __weak plat_wired_tlb_setup(void)
 	 * once the wired entries are present.
 	 */
 }
+
+void __init bmips_cpu_setup(void)
+{
+	void __iomem __maybe_unused *cbr = BMIPS_GET_CBR();
+	u32 __maybe_unused cfg;
+
+	switch (current_cpu_type()) {
+	case CPU_BMIPS3300:
+		/* Set BIU to async mode */
+		set_c0_brcm_bus_pll(BIT(22));
+		__sync();
+
+		/* put the BIU back in sync mode */
+		clear_c0_brcm_bus_pll(BIT(22));
+
+		/* clear BHTD to enable branch history table */
+		clear_c0_brcm_reset(BIT(16));
+
+		/* Flush and enable RAC */
+		cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG);
+		__raw_writel(cfg | 0x100, BMIPS_RAC_CONFIG);
+		__raw_readl(cbr + BMIPS_RAC_CONFIG);
+
+		cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG);
+		__raw_writel(cfg | 0xf, BMIPS_RAC_CONFIG);
+		__raw_readl(cbr + BMIPS_RAC_CONFIG);
+
+		cfg = __raw_readl(cbr + BMIPS_RAC_ADDRESS_RANGE);
+		__raw_writel(cfg | 0x0fff0000, cbr + BMIPS_RAC_ADDRESS_RANGE);
+		__raw_readl(cbr + BMIPS_RAC_ADDRESS_RANGE);
+		break;
+
+	case CPU_BMIPS4380:
+		/* CBG workaround for early BMIPS4380 CPUs */
+		switch (read_c0_prid()) {
+		case 0x2a040:
+		case 0x2a042:
+		case 0x2a044:
+		case 0x2a060:
+			cfg = __raw_readl(cbr + BMIPS_L2_CONFIG);
+			__raw_writel(cfg & ~0x07000000, cbr + BMIPS_L2_CONFIG);
+			__raw_readl(cbr + BMIPS_L2_CONFIG);
+		}
+
+		/* clear BHTD to enable branch history table */
+		clear_c0_brcm_config_0(BIT(21));
+
+		/* XI/ROTR enable */
+		set_c0_brcm_config_0(BIT(23));
+		set_c0_brcm_cmt_ctrl(BIT(15));
+		break;
+
+	case CPU_BMIPS5000:
+		/* enable RDHWR, BRDHWR */
+		set_c0_brcm_config(BIT(17) | BIT(21));
+
+		/* Disable JTB */
+		__asm__ __volatile__(
+		"	.set	noreorder\n"
+		"	li	$8, 0x5a455048\n"
+		"	.word	0x4088b00f\n"	/* mtc0	t0, $22, 15 */
+		"	.word	0x4008b008\n"	/* mfc0	t0, $22, 8 */
+		"	li	$9, 0x00008000\n"
+		"	or	$8, $8, $9\n"
+		"	.word	0x4088b008\n"	/* mtc0	t0, $22, 8 */
+		"	sync\n"
+		"	li	$8, 0x0\n"
+		"	.word	0x4088b00f\n"	/* mtc0	t0, $22, 15 */
+		"	.set	reorder\n"
+		: : : "$8", "$9");
+
+		/* XI enable */
+		set_c0_brcm_config(BIT(27));
+
+		/* enable MIPS32R2 ROR instruction for XI TLB handlers */
+		__asm__ __volatile__(
+		"	li	$8, 0x5a455048\n"
+		"	.word	0x4088b00f\n"	/* mtc0 $8, $22, 15 */
+		"	nop; nop; nop\n"
+		"	.word	0x4008b008\n"	/* mfc0 $8, $22, 8 */
+		"	lui	$9, 0x0100\n"
+		"	or	$8, $9\n"
+		"	.word	0x4088b008\n"	/* mtc0 $8, $22, 8 */
+		: : : "$8", "$9");
+		break;
+	}
+}
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
index 253e14093..4ed36f288 100644
--- a/arch/mips/kernel/smp-cps.c
+++ b/arch/mips/kernel/smp-cps.c
@@ -27,15 +27,27 @@
 #include <asm/time.h>
 #include <asm/uasm.h>
 
+static bool threads_disabled;
 static DECLARE_BITMAP(core_power, NR_CPUS);
 
 struct core_boot_config *mips_cps_core_bootcfg;
 
+static int __init setup_nothreads(char *s)
+{
+	threads_disabled = true;
+	return 0;
+}
+early_param("nothreads", setup_nothreads);
+
 static unsigned core_vpe_count(unsigned core)
 {
 	unsigned cfg;
 
-	if (!config_enabled(CONFIG_MIPS_MT_SMP) || !cpu_has_mipsmt)
+	if (threads_disabled)
+		return 1;
+
+	if ((!config_enabled(CONFIG_MIPS_MT_SMP) || !cpu_has_mipsmt)
+		&& (!config_enabled(CONFIG_CPU_MIPSR6) || !cpu_has_vp))
 		return 1;
 
 	mips_cm_lock_other(core, 0);
@@ -47,11 +59,12 @@ static unsigned core_vpe_count(unsigned core)
 static void __init cps_smp_setup(void)
 {
 	unsigned int ncores, nvpes, core_vpes;
+	unsigned long core_entry;
 	int c, v;
 
 	/* Detect & record VPE topology */
 	ncores = mips_cm_numcores();
-	pr_info("VPE topology ");
+	pr_info("%s topology ", cpu_has_mips_r6 ? "VP" : "VPE");
 	for (c = nvpes = 0; c < ncores; c++) {
 		core_vpes = core_vpe_count(c);
 		pr_cont("%c%u", c ? ',' : '{', core_vpes);
@@ -62,7 +75,7 @@ static void __init cps_smp_setup(void)
 
 		for (v = 0; v < min_t(int, core_vpes, NR_CPUS - nvpes); v++) {
 			cpu_data[nvpes + v].core = c;
-#ifdef CONFIG_MIPS_MT_SMP
+#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_CPU_MIPSR6)
 			cpu_data[nvpes + v].vpe_id = v;
 #endif
 		}
@@ -91,6 +104,11 @@ static void __init cps_smp_setup(void)
 	/* Make core 0 coherent with everything */
 	write_gcr_cl_coherence(0xff);
 
+	if (mips_cm_revision() >= CM_REV_CM3) {
+		core_entry = CKSEG1ADDR((unsigned long)mips_cps_core_entry);
+		write_gcr_bev_base(core_entry);
+	}
+
 #ifdef CONFIG_MIPS_MT_FPAFF
 	/* If we have an FPU, enroll ourselves in the FPU-full mask */
 	if (cpu_has_fpu)
@@ -213,6 +231,18 @@ static void boot_core(unsigned core)
 	if (mips_cpc_present()) {
 		/* Reset the core */
 		mips_cpc_lock_other(core);
+
+		if (mips_cm_revision() >= CM_REV_CM3) {
+			/* Run VP0 following the reset */
+			write_cpc_co_vp_run(0x1);
+
+			/*
+			 * Ensure that the VP_RUN register is written before the
+			 * core leaves reset.
+			 */
+			wmb();
+		}
+
 		write_cpc_co_cmd(CPC_Cx_CMD_RESET);
 
 		timeout = 100;
@@ -250,7 +280,10 @@ static void boot_core(unsigned core)
 
 static void remote_vpe_boot(void *dummy)
 {
-	mips_cps_boot_vpes();
+	unsigned core = current_cpu_data.core;
+	struct core_boot_config *core_cfg = &mips_cps_core_bootcfg[core];
+
+	mips_cps_boot_vpes(core_cfg, cpu_vpe_id(&current_cpu_data));
 }
 
 static void cps_boot_secondary(int cpu, struct task_struct *idle)
@@ -259,6 +292,7 @@ static void cps_boot_secondary(int cpu, struct task_struct *idle)
 	unsigned vpe_id = cpu_vpe_id(&cpu_data[cpu]);
 	struct core_boot_config *core_cfg = &mips_cps_core_bootcfg[core];
 	struct vpe_boot_config *vpe_cfg = &core_cfg->vpe_config[vpe_id];
+	unsigned long core_entry;
 	unsigned int remote;
 	int err;
 
@@ -276,6 +310,13 @@ static void cps_boot_secondary(int cpu, struct task_struct *idle)
 		goto out;
 	}
 
+	if (cpu_has_vp) {
+		mips_cm_lock_other(core, vpe_id);
+		core_entry = CKSEG1ADDR((unsigned long)mips_cps_core_entry);
+		write_gcr_co_reset_base(core_entry);
+		mips_cm_unlock_other();
+	}
+
 	if (core != current_cpu_data.core) {
 		/* Boot a VPE on another powered up core */
 		for (remote = 0; remote < NR_CPUS; remote++) {
@@ -293,10 +334,10 @@ static void cps_boot_secondary(int cpu, struct task_struct *idle)
 		goto out;
 	}
 
-	BUG_ON(!cpu_has_mipsmt);
+	BUG_ON(!cpu_has_mipsmt && !cpu_has_vp);
 
 	/* Boot a VPE on this core */
-	mips_cps_boot_vpes();
+	mips_cps_boot_vpes(core_cfg, vpe_id);
 out:
 	preempt_enable();
 }
@@ -307,8 +348,23 @@ static void cps_init_secondary(void)
 	if (cpu_has_mipsmt)
 		dmt();
 
-	change_c0_status(ST0_IM, STATUSF_IP2 | STATUSF_IP3 | STATUSF_IP4 |
-				 STATUSF_IP5 | STATUSF_IP6 | STATUSF_IP7);
+	if (mips_cm_revision() >= CM_REV_CM3) {
+		unsigned ident = gic_read_local_vp_id();
+
+		/*
+		 * Ensure that our calculation of the VP ID matches up with
+		 * what the GIC reports, otherwise we'll have configured
+		 * interrupts incorrectly.
+		 */
+		BUG_ON(ident != mips_cm_vp_id(smp_processor_id()));
+	}
+
+	if (cpu_has_veic)
+		clear_c0_status(ST0_IM);
+	else
+		change_c0_status(ST0_IM, STATUSF_IP2 | STATUSF_IP3 |
+					 STATUSF_IP4 | STATUSF_IP5 |
+					 STATUSF_IP6 | STATUSF_IP7);
 }
 
 static void cps_smp_finish(void)
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 27cb638f0..f9d01e953 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -243,18 +243,6 @@ static int __init mips_smp_ipi_init(void)
 	struct irq_domain *ipidomain;
 	struct device_node *node;
 
-	/*
-	 * In some cases like qemu-malta, it is desired to try SMP with
-	 * a single core. Qemu-malta has no GIC, so an attempt to set any IPIs
-	 * would cause a BUG_ON() to be triggered since there's no ipidomain.
-	 *
-	 * Since for a single core system IPIs aren't required really, skip the
-	 * initialisation which should generally keep any such configurations
-	 * happy and only fail hard when trying to truely run SMP.
-	 */
-	if (cpumask_weight(cpu_possible_mask) == 1)
-		return 0;
-
 	node = of_irq_find_parent(of_root);
 	ipidomain = irq_find_matching_host(node, DOMAIN_BUS_IPI);
 
@@ -266,7 +254,17 @@ static int __init mips_smp_ipi_init(void)
 	if (node && !ipidomain)
 		ipidomain = irq_find_matching_host(NULL, DOMAIN_BUS_IPI);
 
-	BUG_ON(!ipidomain);
+	/*
+	 * There are systems which only use IPI domains some of the time,
+	 * depending upon configuration we don't know until runtime. An
+	 * example is Malta where we may compile in support for GIC & the
+	 * MT ASE, but run on a system which has multiple VPEs in a single
+	 * core and doesn't include a GIC. Until all IPI implementations
+	 * have been converted to use IPI domains the best we can do here
+	 * is to return & hope some other code sets up the IPIs.
+	 */
+	if (!ipidomain)
+		return 0;
 
 	call_virq = irq_reserve_ipi(ipidomain, cpu_possible_mask);
 	BUG_ON(!call_virq);
diff --git a/arch/mips/kernel/spram.c b/arch/mips/kernel/spram.c
index 8489c88f9..d6e6cf751 100644
--- a/arch/mips/kernel/spram.c
+++ b/arch/mips/kernel/spram.c
@@ -210,6 +210,7 @@ void spram_config(void)
 	case CPU_P5600:
 	case CPU_QEMU_GENERIC:
 	case CPU_I6400:
+	case CPU_P6600:
 		config0 = read_c0_config();
 		/* FIXME: addresses are Malta specific */
 		if (config0 & (1<<24)) {
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 5aa1d5c26..4a1712b5a 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -399,11 +399,8 @@ void __noreturn die(const char *str, struct pt_regs *regs)
 	if (in_interrupt())
 		panic("Fatal exception in interrupt");
 
-	if (panic_on_oops) {
-		printk(KERN_EMERG "Fatal exception: panic in 5 seconds");
-		ssleep(5);
+	if (panic_on_oops)
 		panic("Fatal exception");
-	}
 
 	if (regs && kexec_should_crash(current))
 		crash_kexec(regs);
@@ -1356,7 +1353,6 @@ asmlinkage void do_cpu(struct pt_regs *regs)
 	unsigned long fcr31;
 	unsigned int cpid;
 	int status, err;
-	unsigned long __maybe_unused flags;
 	int sig;
 
 	prev_state = exception_enter();
@@ -1501,16 +1497,13 @@ asmlinkage void do_watch(struct pt_regs *regs)
 {
 	siginfo_t info = { .si_signo = SIGTRAP, .si_code = TRAP_HWBKPT };
 	enum ctx_state prev_state;
-	u32 cause;
 
 	prev_state = exception_enter();
 	/*
 	 * Clear WP (bit 22) bit of cause register so we don't loop
 	 * forever.
 	 */
-	cause = read_c0_cause();
-	cause &= ~(1 << 22);
-	write_c0_cause(cause);
+	clear_c0_cause(CAUSEF_WP);
 
 	/*
 	 * If the current thread has the watch registers loaded, save
@@ -1647,6 +1640,7 @@ static inline void parity_protection_init(void)
 	case CPU_P5600:
 	case CPU_QEMU_GENERIC:
 	case CPU_I6400:
+	case CPU_P6600:
 		{
 #define ERRCTL_PE	0x80000000
 #define ERRCTL_L2P	0x00800000
@@ -1777,7 +1771,8 @@ asmlinkage void do_ftlb(void)
 
 	/* For the moment, report the problem and hang. */
 	if ((cpu_has_mips_r2_r6) &&
-	    ((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS)) {
+	    (((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS) ||
+	    ((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_LOONGSON))) {
 		pr_err("FTLB error exception, cp0_ecc=0x%08x:\n",
 		       read_c0_ecc());
 		pr_err("cp0_errorepc == %0*lx\n", field, read_c0_errorepc());
@@ -2119,6 +2114,13 @@ void per_cpu_trap_init(bool is_boot_cpu)
 	 *  o read IntCtl.IPFDC to determine the fast debug channel interrupt
 	 */
 	if (cpu_has_mips_r2_r6) {
+		/*
+		 * We shouldn't trust a secondary core has a sane EBASE register
+		 * so use the one calculated by the boot CPU.
+		 */
+		if (!is_boot_cpu)
+			write_c0_ebase(ebase);
+
 		cp0_compare_irq_shift = CAUSEB_TI - CAUSEB_IP;
 		cp0_compare_irq = (read_c0_intctl() >> INTCTLB_IPTI) & 7;
 		cp0_perfcount_irq = (read_c0_intctl() >> INTCTLB_IPPCI) & 7;
@@ -2134,7 +2136,7 @@ void per_cpu_trap_init(bool is_boot_cpu)
 	}
 
 	if (!cpu_data[cpu].asid_cache)
-		cpu_data[cpu].asid_cache = ASID_FIRST_VERSION;
+		cpu_data[cpu].asid_cache = asid_first_version(cpu);
 
 	atomic_inc(&init_mm.mm_count);
 	current->active_mm = &init_mm;
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index 5c62065cb..28b3af73a 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -1191,6 +1191,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
 	case ldc1_op:
 	case swc1_op:
 	case sdc1_op:
+	case cop1x_op:
 		die_if_kernel("Unaligned FP access in kernel code", regs);
 		BUG_ON(!used_math());
 
diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c
index 975e99759..54e1663ce 100644
--- a/arch/mips/kernel/vdso.c
+++ b/arch/mips/kernel/vdso.c
@@ -104,7 +104,8 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
 	struct resource gic_res;
 	int ret;
 
-	down_write(&mm->mmap_sem);
+	if (down_write_killable(&mm->mmap_sem))
+		return -EINTR;
 
 	/*
 	 * Determine total area size. This includes the VDSO data itself, the
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index 54d653ee1..a82c178d0 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -136,6 +136,27 @@ SECTIONS
 #ifdef CONFIG_SMP
 	PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
 #endif
+
+#ifdef CONFIG_RELOCATABLE
+	. = ALIGN(4);
+
+	.data.reloc : {
+		_relocation_start = .;
+		/*
+		 * Space for relocation table
+		 * This needs to be filled so that the
+		 * relocs tool can overwrite the content.
+		 * An invalid value is left at the start of the
+		 * section to abort relocation if the table
+		 * has not been filled in.
+		 */
+		LONG(0xFFFFFFFF);
+		FILL(0);
+		. += CONFIG_RELOCATION_TABLE_SIZE - 4;
+		_relocation_end = .;
+	}
+#endif
+
 #ifdef CONFIG_MIPS_RAW_APPENDED_DTB
 	__appended_dtb = .;
 	/* leave space for appended DTB */
diff --git a/arch/mips/kernel/watch.c b/arch/mips/kernel/watch.c
index 9b78e3751..19fcab734 100644
--- a/arch/mips/kernel/watch.c
+++ b/arch/mips/kernel/watch.c
@@ -25,16 +25,20 @@ void mips_install_watch_registers(struct task_struct *t)
 		write_c0_watchlo3(watches->watchlo[3]);
 		/* Write 1 to the I, R, and W bits to clear them, and
 		   1 to G so all ASIDs are trapped. */
-		write_c0_watchhi3(0x40000007 | watches->watchhi[3]);
+		write_c0_watchhi3(MIPS_WATCHHI_G | MIPS_WATCHHI_IRW |
+				  watches->watchhi[3]);
 	case 3:
 		write_c0_watchlo2(watches->watchlo[2]);
-		write_c0_watchhi2(0x40000007 | watches->watchhi[2]);
+		write_c0_watchhi2(MIPS_WATCHHI_G | MIPS_WATCHHI_IRW |
+				  watches->watchhi[2]);
 	case 2:
 		write_c0_watchlo1(watches->watchlo[1]);
-		write_c0_watchhi1(0x40000007 | watches->watchhi[1]);
+		write_c0_watchhi1(MIPS_WATCHHI_G | MIPS_WATCHHI_IRW |
+				  watches->watchhi[1]);
 	case 1:
 		write_c0_watchlo0(watches->watchlo[0]);
-		write_c0_watchhi0(0x40000007 | watches->watchhi[0]);
+		write_c0_watchhi0(MIPS_WATCHHI_G | MIPS_WATCHHI_IRW |
+				  watches->watchhi[0]);
 	}
 }
 
@@ -51,22 +55,26 @@ void mips_read_watch_registers(void)
 	default:
 		BUG();
 	case 4:
-		watches->watchhi[3] = (read_c0_watchhi3() & 0x0fff);
+		watches->watchhi[3] = (read_c0_watchhi3() &
+				       (MIPS_WATCHHI_MASK | MIPS_WATCHHI_IRW));
 	case 3:
-		watches->watchhi[2] = (read_c0_watchhi2() & 0x0fff);
+		watches->watchhi[2] = (read_c0_watchhi2() &
+				       (MIPS_WATCHHI_MASK | MIPS_WATCHHI_IRW));
 	case 2:
-		watches->watchhi[1] = (read_c0_watchhi1() & 0x0fff);
+		watches->watchhi[1] = (read_c0_watchhi1() &
+				       (MIPS_WATCHHI_MASK | MIPS_WATCHHI_IRW));
 	case 1:
-		watches->watchhi[0] = (read_c0_watchhi0() & 0x0fff);
+		watches->watchhi[0] = (read_c0_watchhi0() &
+				       (MIPS_WATCHHI_MASK | MIPS_WATCHHI_IRW));
 	}
 	if (current_cpu_data.watch_reg_use_cnt == 1 &&
-	    (watches->watchhi[0] & 7) == 0) {
+	    (watches->watchhi[0] & MIPS_WATCHHI_IRW) == 0) {
 		/* Pathological case of release 1 architecture that
 		 * doesn't set the condition bits.  We assume that
 		 * since we got here, the watch condition was met and
 		 * signal that the conditions requested in watchlo
 		 * were met.  */
-		watches->watchhi[0] |= (watches->watchlo[0] & 7);
+		watches->watchhi[0] |= (watches->watchlo[0] & MIPS_WATCHHI_IRW);
 	}
  }
 
@@ -109,86 +117,86 @@ void mips_probe_watch_registers(struct cpuinfo_mips *c)
 	 * Check which of the I,R and W bits are supported, then
 	 * disable the register.
 	 */
-	write_c0_watchlo0(7);
+	write_c0_watchlo0(MIPS_WATCHLO_IRW);
 	back_to_back_c0_hazard();
 	t = read_c0_watchlo0();
 	write_c0_watchlo0(0);
-	c->watch_reg_masks[0] = t & 7;
+	c->watch_reg_masks[0] = t & MIPS_WATCHLO_IRW;
 
 	/* Write the mask bits and read them back to determine which
 	 * can be used. */
 	c->watch_reg_count = 1;
 	c->watch_reg_use_cnt = 1;
 	t = read_c0_watchhi0();
-	write_c0_watchhi0(t | 0xff8);
+	write_c0_watchhi0(t | MIPS_WATCHHI_MASK);
 	back_to_back_c0_hazard();
 	t = read_c0_watchhi0();
-	c->watch_reg_masks[0] |= (t & 0xff8);
-	if ((t & 0x80000000) == 0)
+	c->watch_reg_masks[0] |= (t & MIPS_WATCHHI_MASK);
+	if ((t & MIPS_WATCHHI_M) == 0)
 		return;
 
-	write_c0_watchlo1(7);
+	write_c0_watchlo1(MIPS_WATCHLO_IRW);
 	back_to_back_c0_hazard();
 	t = read_c0_watchlo1();
 	write_c0_watchlo1(0);
-	c->watch_reg_masks[1] = t & 7;
+	c->watch_reg_masks[1] = t & MIPS_WATCHLO_IRW;
 
 	c->watch_reg_count = 2;
 	c->watch_reg_use_cnt = 2;
 	t = read_c0_watchhi1();
-	write_c0_watchhi1(t | 0xff8);
+	write_c0_watchhi1(t | MIPS_WATCHHI_MASK);
 	back_to_back_c0_hazard();
 	t = read_c0_watchhi1();
-	c->watch_reg_masks[1] |= (t & 0xff8);
-	if ((t & 0x80000000) == 0)
+	c->watch_reg_masks[1] |= (t & MIPS_WATCHHI_MASK);
+	if ((t & MIPS_WATCHHI_M) == 0)
 		return;
 
-	write_c0_watchlo2(7);
+	write_c0_watchlo2(MIPS_WATCHLO_IRW);
 	back_to_back_c0_hazard();
 	t = read_c0_watchlo2();
 	write_c0_watchlo2(0);
-	c->watch_reg_masks[2] = t & 7;
+	c->watch_reg_masks[2] = t & MIPS_WATCHLO_IRW;
 
 	c->watch_reg_count = 3;
 	c->watch_reg_use_cnt = 3;
 	t = read_c0_watchhi2();
-	write_c0_watchhi2(t | 0xff8);
+	write_c0_watchhi2(t | MIPS_WATCHHI_MASK);
 	back_to_back_c0_hazard();
 	t = read_c0_watchhi2();
-	c->watch_reg_masks[2] |= (t & 0xff8);
-	if ((t & 0x80000000) == 0)
+	c->watch_reg_masks[2] |= (t & MIPS_WATCHHI_MASK);
+	if ((t & MIPS_WATCHHI_M) == 0)
 		return;
 
-	write_c0_watchlo3(7);
+	write_c0_watchlo3(MIPS_WATCHLO_IRW);
 	back_to_back_c0_hazard();
 	t = read_c0_watchlo3();
 	write_c0_watchlo3(0);
-	c->watch_reg_masks[3] = t & 7;
+	c->watch_reg_masks[3] = t & MIPS_WATCHLO_IRW;
 
 	c->watch_reg_count = 4;
 	c->watch_reg_use_cnt = 4;
 	t = read_c0_watchhi3();
-	write_c0_watchhi3(t | 0xff8);
+	write_c0_watchhi3(t | MIPS_WATCHHI_MASK);
 	back_to_back_c0_hazard();
 	t = read_c0_watchhi3();
-	c->watch_reg_masks[3] |= (t & 0xff8);
-	if ((t & 0x80000000) == 0)
+	c->watch_reg_masks[3] |= (t & MIPS_WATCHHI_MASK);
+	if ((t & MIPS_WATCHHI_M) == 0)
 		return;
 
 	/* We use at most 4, but probe and report up to 8. */
 	c->watch_reg_count = 5;
 	t = read_c0_watchhi4();
-	if ((t & 0x80000000) == 0)
+	if ((t & MIPS_WATCHHI_M) == 0)
 		return;
 
 	c->watch_reg_count = 6;
 	t = read_c0_watchhi5();
-	if ((t & 0x80000000) == 0)
+	if ((t & MIPS_WATCHHI_M) == 0)
 		return;
 
 	c->watch_reg_count = 7;
 	t = read_c0_watchhi6();
-	if ((t & 0x80000000) == 0)
+	if ((t & MIPS_WATCHHI_M) == 0)
 		return;
 
 	c->watch_reg_count = 8;
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index b8b7860ec..645c8a198 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -1079,15 +1079,15 @@ enum emulation_result kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc,
 					kvm_read_c0_guest_ebase(cop0));
 			} else if (rd == MIPS_CP0_TLB_HI && sel == 0) {
 				uint32_t nasid =
-					vcpu->arch.gprs[rt] & ASID_MASK;
+					vcpu->arch.gprs[rt] & KVM_ENTRYHI_ASID;
 				if ((KSEGX(vcpu->arch.gprs[rt]) != CKSEG0) &&
 				    ((kvm_read_c0_guest_entryhi(cop0) &
-				      ASID_MASK) != nasid)) {
+				      KVM_ENTRYHI_ASID) != nasid)) {
 					kvm_debug("MTCz, change ASID from %#lx to %#lx\n",
 						kvm_read_c0_guest_entryhi(cop0)
-						& ASID_MASK,
+						& KVM_ENTRYHI_ASID,
 						vcpu->arch.gprs[rt]
-						& ASID_MASK);
+						& KVM_ENTRYHI_ASID);
 
 					/* Blow away the shadow host TLBs */
 					kvm_mips_flush_host_tlb(1);
@@ -1631,11 +1631,12 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc,
 		 */
 		index = kvm_mips_guest_tlb_lookup(vcpu, (va & VPN2_MASK) |
 						  (kvm_read_c0_guest_entryhi
-						   (cop0) & ASID_MASK));
+						   (cop0) & KVM_ENTRYHI_ASID));
 
 		if (index < 0) {
 			vcpu->arch.host_cp0_entryhi = (va & VPN2_MASK);
 			vcpu->arch.host_cp0_badvaddr = va;
+			vcpu->arch.pc = curr_pc;
 			er = kvm_mips_emulate_tlbmiss_ld(cause, NULL, run,
 							 vcpu);
 			preempt_enable();
@@ -1647,6 +1648,8 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc,
 			 * invalid exception to the guest
 			 */
 			if (!TLB_IS_VALID(*tlb, va)) {
+				vcpu->arch.host_cp0_badvaddr = va;
+				vcpu->arch.pc = curr_pc;
 				er = kvm_mips_emulate_tlbinv_ld(cause, NULL,
 								run, vcpu);
 				preempt_enable();
@@ -1666,7 +1669,7 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc,
 			cache, op, base, arch->gprs[base], offset);
 		er = EMULATE_FAIL;
 		preempt_enable();
-		goto dont_update_pc;
+		goto done;
 
 	}
 
@@ -1694,16 +1697,20 @@ skip_fault:
 		kvm_err("NO-OP CACHE (cache: %#x, op: %#x, base[%d]: %#lx, offset: %#x\n",
 			cache, op, base, arch->gprs[base], offset);
 		er = EMULATE_FAIL;
-		preempt_enable();
-		goto dont_update_pc;
 	}
 
 	preempt_enable();
+done:
+	/* Rollback PC only if emulation was unsuccessful */
+	if (er == EMULATE_FAIL)
+		vcpu->arch.pc = curr_pc;
 
 dont_update_pc:
-	/* Rollback PC */
-	vcpu->arch.pc = curr_pc;
-done:
+	/*
+	 * This is for exceptions whose emulation updates the PC, so do not
+	 * overwrite the PC under any circumstances
+	 */
+
 	return er;
 }
 
@@ -1797,7 +1804,7 @@ enum emulation_result kvm_mips_emulate_tlbmiss_ld(unsigned long cause,
 	struct mips_coproc *cop0 = vcpu->arch.cop0;
 	struct kvm_vcpu_arch *arch = &vcpu->arch;
 	unsigned long entryhi = (vcpu->arch.  host_cp0_badvaddr & VPN2_MASK) |
-				(kvm_read_c0_guest_entryhi(cop0) & ASID_MASK);
+			(kvm_read_c0_guest_entryhi(cop0) & KVM_ENTRYHI_ASID);
 
 	if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
 		/* save old pc */
@@ -1844,7 +1851,7 @@ enum emulation_result kvm_mips_emulate_tlbinv_ld(unsigned long cause,
 	struct kvm_vcpu_arch *arch = &vcpu->arch;
 	unsigned long entryhi =
 		(vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
-		(kvm_read_c0_guest_entryhi(cop0) & ASID_MASK);
+		(kvm_read_c0_guest_entryhi(cop0) & KVM_ENTRYHI_ASID);
 
 	if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
 		/* save old pc */
@@ -1889,7 +1896,7 @@ enum emulation_result kvm_mips_emulate_tlbmiss_st(unsigned long cause,
 	struct mips_coproc *cop0 = vcpu->arch.cop0;
 	struct kvm_vcpu_arch *arch = &vcpu->arch;
 	unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
-				(kvm_read_c0_guest_entryhi(cop0) & ASID_MASK);
+			(kvm_read_c0_guest_entryhi(cop0) & KVM_ENTRYHI_ASID);
 
 	if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
 		/* save old pc */
@@ -1933,7 +1940,7 @@ enum emulation_result kvm_mips_emulate_tlbinv_st(unsigned long cause,
 	struct mips_coproc *cop0 = vcpu->arch.cop0;
 	struct kvm_vcpu_arch *arch = &vcpu->arch;
 	unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
-		(kvm_read_c0_guest_entryhi(cop0) & ASID_MASK);
+		(kvm_read_c0_guest_entryhi(cop0) & KVM_ENTRYHI_ASID);
 
 	if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
 		/* save old pc */
@@ -1978,7 +1985,7 @@ enum emulation_result kvm_mips_handle_tlbmod(unsigned long cause, uint32_t *opc,
 #ifdef DEBUG
 	struct mips_coproc *cop0 = vcpu->arch.cop0;
 	unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
-				(kvm_read_c0_guest_entryhi(cop0) & ASID_MASK);
+			(kvm_read_c0_guest_entryhi(cop0) & KVM_ENTRYHI_ASID);
 	int index;
 
 	/* If address not in the guest TLB, then we are in trouble */
@@ -2005,7 +2012,7 @@ enum emulation_result kvm_mips_emulate_tlbmod(unsigned long cause,
 {
 	struct mips_coproc *cop0 = vcpu->arch.cop0;
 	unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
-				(kvm_read_c0_guest_entryhi(cop0) & ASID_MASK);
+			(kvm_read_c0_guest_entryhi(cop0) & KVM_ENTRYHI_ASID);
 	struct kvm_vcpu_arch *arch = &vcpu->arch;
 
 	if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
@@ -2580,7 +2587,8 @@ enum emulation_result kvm_mips_handle_tlbmiss(unsigned long cause,
 	 */
 	index = kvm_mips_guest_tlb_lookup(vcpu,
 		      (va & VPN2_MASK) |
-		      (kvm_read_c0_guest_entryhi(vcpu->arch.cop0) & ASID_MASK));
+		      (kvm_read_c0_guest_entryhi(vcpu->arch.cop0) &
+		       KVM_ENTRYHI_ASID));
 	if (index < 0) {
 		if (exccode == EXCCODE_TLBL) {
 			er = kvm_mips_emulate_tlbmiss_ld(cause, opc, run, vcpu);
diff --git a/arch/mips/kvm/locore.S b/arch/mips/kvm/locore.S
index fc93a08b6..828fcfc1c 100644
--- a/arch/mips/kvm/locore.S
+++ b/arch/mips/kvm/locore.S
@@ -32,7 +32,6 @@
     EXPORT(x);
 
 /* Overload, Danger Will Robinson!! */
-#define PT_HOST_ASID        PT_BVADDR
 #define PT_HOST_USERLOCAL   PT_EPC
 
 #define CP0_DDATA_LO        $28,3
@@ -49,45 +48,18 @@
  * a1: vcpu
  */
 	.set	noreorder
-	.set	noat
 
 FEXPORT(__kvm_mips_vcpu_run)
 	/* k0/k1 not being used in host kernel context */
 	INT_ADDIU k1, sp, -PT_SIZE
-	LONG_S	$0, PT_R0(k1)
-	LONG_S	$1, PT_R1(k1)
-	LONG_S	$2, PT_R2(k1)
-	LONG_S	$3, PT_R3(k1)
-
-	LONG_S	$4, PT_R4(k1)
-	LONG_S	$5, PT_R5(k1)
-	LONG_S	$6, PT_R6(k1)
-	LONG_S	$7, PT_R7(k1)
-
-	LONG_S	$8,  PT_R8(k1)
-	LONG_S	$9,  PT_R9(k1)
-	LONG_S	$10, PT_R10(k1)
-	LONG_S	$11, PT_R11(k1)
-	LONG_S	$12, PT_R12(k1)
-	LONG_S	$13, PT_R13(k1)
-	LONG_S	$14, PT_R14(k1)
-	LONG_S	$15, PT_R15(k1)
 	LONG_S	$16, PT_R16(k1)
 	LONG_S	$17, PT_R17(k1)
-
 	LONG_S	$18, PT_R18(k1)
 	LONG_S	$19, PT_R19(k1)
 	LONG_S	$20, PT_R20(k1)
 	LONG_S	$21, PT_R21(k1)
 	LONG_S	$22, PT_R22(k1)
 	LONG_S	$23, PT_R23(k1)
-	LONG_S	$24, PT_R24(k1)
-	LONG_S	$25, PT_R25(k1)
-
-	/*
-	 * XXXKYMA k0/k1 not saved, not being used if we got here through
-	 * an ioctl()
-	 */
 
 	LONG_S	$28, PT_R28(k1)
 	LONG_S	$29, PT_R29(k1)
@@ -104,11 +76,6 @@ FEXPORT(__kvm_mips_vcpu_run)
 	mfc0	v0, CP0_STATUS
 	LONG_S	v0, PT_STATUS(k1)
 
-	/* Save host ASID, shove it into the BVADDR location */
-	mfc0	v1, CP0_ENTRYHI
-	andi	v1, 0xff
-	LONG_S	v1, PT_HOST_ASID(k1)
-
 	/* Save DDATA_LO, will be used to store pointer to vcpu */
 	mfc0	v1, CP0_DDATA_LO
 	LONG_S	v1, PT_HOST_USERLOCAL(k1)
@@ -170,13 +137,21 @@ FEXPORT(__kvm_mips_load_asid)
 	INT_SLL	t2, t2, 2                   /* x4 */
 	REG_ADDU t3, t1, t2
 	LONG_L	k0, (t3)
-	andi	k0, k0, 0xff
+#ifdef CONFIG_MIPS_ASID_BITS_VARIABLE
+	li	t3, CPUINFO_SIZE/4
+	mul	t2, t2, t3		/* x sizeof(struct cpuinfo_mips)/4 */
+	LONG_L	t2, (cpu_data + CPUINFO_ASID_MASK)(t2)
+	and	k0, k0, t2
+#else
+	andi	k0, k0, MIPS_ENTRYHI_ASID
+#endif
 	mtc0	k0, CP0_ENTRYHI
 	ehb
 
 	/* Disable RDHWR access */
 	mtc0	zero, CP0_HWRENA
 
+	.set	noat
 	/* Now load up the Guest Context from VCPU */
 	LONG_L	$1, VCPU_R1(k1)
 	LONG_L	$2, VCPU_R2(k1)
@@ -289,6 +264,8 @@ NESTED (MIPSX(GuestException), CALLFRAME_SIZ, ra)
 	LONG_S	$30, VCPU_R30(k1)
 	LONG_S	$31, VCPU_R31(k1)
 
+	.set at
+
 	/* We need to save hi/lo and restore them on the way out */
 	mfhi	t0
 	LONG_S	t0, VCPU_HI(k1)
@@ -340,9 +317,7 @@ NESTED (MIPSX(GuestException), CALLFRAME_SIZ, ra)
 	/* load up the host EBASE */
 	mfc0	v0, CP0_STATUS
 
-	.set	at
 	or	k0, v0, ST0_BEV
-	.set	noat
 
 	mtc0	k0, CP0_STATUS
 	ehb
@@ -354,7 +329,6 @@ NESTED (MIPSX(GuestException), CALLFRAME_SIZ, ra)
 	 * If FPU is enabled, save FCR31 and clear it so that later ctc1's don't
 	 * trigger FPE for pending exceptions.
 	 */
-	.set	at
 	and	v1, v0, ST0_CU1
 	beqz	v1, 1f
 	 nop
@@ -364,7 +338,6 @@ NESTED (MIPSX(GuestException), CALLFRAME_SIZ, ra)
 	sw	t0, VCPU_FCR31(k1)
 	ctc1	zero,fcr31
 	.set	pop
-	.set	noat
 1:
 
 #ifdef CONFIG_CPU_HAS_MSA
@@ -387,10 +360,8 @@ NESTED (MIPSX(GuestException), CALLFRAME_SIZ, ra)
 #endif
 
 	/* Now that the new EBASE has been loaded, unset BEV and KSU_USER */
-	.set	at
 	and	v0, v0, ~(ST0_EXL | KSU_USER | ST0_IE)
 	or	v0, v0, ST0_CU0
-	.set	noat
 	mtc0	v0, CP0_STATUS
 	ehb
 
@@ -457,18 +428,14 @@ __kvm_mips_return_to_guest:
 
 	/* Switch EBASE back to the one used by KVM */
 	mfc0	v1, CP0_STATUS
-	.set	at
 	or	k0, v1, ST0_BEV
-	.set	noat
 	mtc0	k0, CP0_STATUS
 	ehb
 	mtc0	t0, CP0_EBASE
 
 	/* Setup status register for running guest in UM */
-	.set	at
 	or	v1, v1, (ST0_EXL | KSU_USER | ST0_IE)
 	and	v1, v1, ~(ST0_CU0 | ST0_MX)
-	.set	noat
 	mtc0	v1, CP0_STATUS
 	ehb
 
@@ -490,13 +457,21 @@ __kvm_mips_return_to_guest:
 	INT_SLL	t2, t2, 2		/* x4 */
 	REG_ADDU t3, t1, t2
 	LONG_L	k0, (t3)
-	andi	k0, k0, 0xff
+#ifdef CONFIG_MIPS_ASID_BITS_VARIABLE
+	li	t3, CPUINFO_SIZE/4
+	mul	t2, t2, t3		/* x sizeof(struct cpuinfo_mips)/4 */
+	LONG_L	t2, (cpu_data + CPUINFO_ASID_MASK)(t2)
+	and	k0, k0, t2
+#else
+	andi	k0, k0, MIPS_ENTRYHI_ASID
+#endif
 	mtc0	k0, CP0_ENTRYHI
 	ehb
 
 	/* Disable RDHWR access */
 	mtc0	zero, CP0_HWRENA
 
+	.set	noat
 	/* load the guest context from VCPU and return */
 	LONG_L	$0, VCPU_R0(k1)
 	LONG_L	$1, VCPU_R1(k1)
@@ -542,6 +517,7 @@ FEXPORT(__kvm_mips_skip_guest_restore)
 	LONG_L	k1, VCPU_R27(k1)
 
 	eret
+	.set	at
 
 __kvm_mips_return_to_host:
 	/* EBASE is already pointing to Linux */
@@ -552,16 +528,6 @@ __kvm_mips_return_to_host:
 	LONG_L	k0, PT_HOST_USERLOCAL(k1)
 	mtc0	k0, CP0_DDATA_LO
 
-	/* Restore host ASID */
-	LONG_L	k0, PT_HOST_ASID(sp)
-	andi	k0, 0xff
-	mtc0	k0,CP0_ENTRYHI
-	ehb
-
-	/* Load context saved on the host stack */
-	LONG_L	$0, PT_R0(k1)
-	LONG_L	$1, PT_R1(k1)
-
 	/*
 	 * r2/v0 is the return code, shift it down by 2 (arithmetic)
 	 * to recover the err code
@@ -569,19 +535,7 @@ __kvm_mips_return_to_host:
 	INT_SRA	k0, v0, 2
 	move	$2, k0
 
-	LONG_L	$3, PT_R3(k1)
-	LONG_L	$4, PT_R4(k1)
-	LONG_L	$5, PT_R5(k1)
-	LONG_L	$6, PT_R6(k1)
-	LONG_L	$7, PT_R7(k1)
-	LONG_L	$8, PT_R8(k1)
-	LONG_L	$9, PT_R9(k1)
-	LONG_L	$10, PT_R10(k1)
-	LONG_L	$11, PT_R11(k1)
-	LONG_L	$12, PT_R12(k1)
-	LONG_L	$13, PT_R13(k1)
-	LONG_L	$14, PT_R14(k1)
-	LONG_L	$15, PT_R15(k1)
+	/* Load context saved on the host stack */
 	LONG_L	$16, PT_R16(k1)
 	LONG_L	$17, PT_R17(k1)
 	LONG_L	$18, PT_R18(k1)
@@ -590,10 +544,6 @@ __kvm_mips_return_to_host:
 	LONG_L	$21, PT_R21(k1)
 	LONG_L	$22, PT_R22(k1)
 	LONG_L	$23, PT_R23(k1)
-	LONG_L	$24, PT_R24(k1)
-	LONG_L	$25, PT_R25(k1)
-
-	/* Host k0/k1 were not saved */
 
 	LONG_L	$28, PT_R28(k1)
 	LONG_L	$29, PT_R29(k1)
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index e223cb3d9..44da5259f 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -56,6 +56,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
 	{ "flush_dcache", VCPU_STAT(flush_dcache_exits), KVM_STAT_VCPU },
 	{ "halt_successful_poll", VCPU_STAT(halt_successful_poll), KVM_STAT_VCPU },
 	{ "halt_attempted_poll", VCPU_STAT(halt_attempted_poll), KVM_STAT_VCPU },
+	{ "halt_poll_invalid", VCPU_STAT(halt_poll_invalid), KVM_STAT_VCPU },
 	{ "halt_wakeup",  VCPU_STAT(halt_wakeup),	 KVM_STAT_VCPU },
 	{NULL}
 };
@@ -1088,7 +1089,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 		r = KVM_COALESCED_MMIO_PAGE_OFFSET;
 		break;
 	case KVM_CAP_MIPS_FPU:
-		r = !!cpu_has_fpu;
+		/* We don't handle systems with inconsistent cpu_has_fpu */
+		r = !!raw_cpu_has_fpu;
 		break;
 	case KVM_CAP_MIPS_MSA:
 		/*
@@ -1564,8 +1566,10 @@ void kvm_lose_fpu(struct kvm_vcpu *vcpu)
 
 		/* Disable MSA & FPU */
 		disable_msa();
-		if (vcpu->arch.fpu_inuse & KVM_MIPS_FPU_FPU)
+		if (vcpu->arch.fpu_inuse & KVM_MIPS_FPU_FPU) {
 			clear_c0_status(ST0_CU1 | ST0_FR);
+			disable_fpu_hazard();
+		}
 		vcpu->arch.fpu_inuse &= ~(KVM_MIPS_FPU_FPU | KVM_MIPS_FPU_MSA);
 	} else if (vcpu->arch.fpu_inuse & KVM_MIPS_FPU_FPU) {
 		set_c0_status(ST0_CU1);
@@ -1576,6 +1580,7 @@ void kvm_lose_fpu(struct kvm_vcpu *vcpu)
 
 		/* Disable FPU */
 		clear_c0_status(ST0_CU1 | ST0_FR);
+		disable_fpu_hazard();
 	}
 	preempt_enable();
 }
diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c
index e0e1d0a61..ed021ae78 100644
--- a/arch/mips/kvm/tlb.c
+++ b/arch/mips/kvm/tlb.c
@@ -49,12 +49,18 @@ EXPORT_SYMBOL_GPL(kvm_mips_is_error_pfn);
 
 uint32_t kvm_mips_get_kernel_asid(struct kvm_vcpu *vcpu)
 {
-	return vcpu->arch.guest_kernel_asid[smp_processor_id()] & ASID_MASK;
+	int cpu = smp_processor_id();
+
+	return vcpu->arch.guest_kernel_asid[cpu] &
+			cpu_asid_mask(&cpu_data[cpu]);
 }
 
 uint32_t kvm_mips_get_user_asid(struct kvm_vcpu *vcpu)
 {
-	return vcpu->arch.guest_user_asid[smp_processor_id()] & ASID_MASK;
+	int cpu = smp_processor_id();
+
+	return vcpu->arch.guest_user_asid[cpu] &
+			cpu_asid_mask(&cpu_data[cpu]);
 }
 
 inline uint32_t kvm_mips_get_commpage_asid(struct kvm_vcpu *vcpu)
@@ -78,7 +84,8 @@ void kvm_mips_dump_host_tlbs(void)
 	old_pagemask = read_c0_pagemask();
 
 	kvm_info("HOST TLBs:\n");
-	kvm_info("ASID: %#lx\n", read_c0_entryhi() & ASID_MASK);
+	kvm_info("ASID: %#lx\n", read_c0_entryhi() &
+		 cpu_asid_mask(&current_cpu_data));
 
 	for (i = 0; i < current_cpu_data.tlbsize; i++) {
 		write_c0_index(i);
@@ -268,6 +275,7 @@ int kvm_mips_handle_kseg0_tlb_fault(unsigned long badvaddr,
 	int even;
 	struct kvm *kvm = vcpu->kvm;
 	const int flush_dcache_mask = 0;
+	int ret;
 
 	if (KVM_GUEST_KSEGX(badvaddr) != KVM_GUEST_KSEG0) {
 		kvm_err("%s: Invalid BadVaddr: %#lx\n", __func__, badvaddr);
@@ -299,14 +307,18 @@ int kvm_mips_handle_kseg0_tlb_fault(unsigned long badvaddr,
 		pfn1 = kvm->arch.guest_pmap[gfn];
 	}
 
-	entryhi = (vaddr | kvm_mips_get_kernel_asid(vcpu));
 	entrylo0 = mips3_paddr_to_tlbpfn(pfn0 << PAGE_SHIFT) | (0x3 << 3) |
 		   (1 << 2) | (0x1 << 1);
 	entrylo1 = mips3_paddr_to_tlbpfn(pfn1 << PAGE_SHIFT) | (0x3 << 3) |
 		   (1 << 2) | (0x1 << 1);
 
-	return kvm_mips_host_tlb_write(vcpu, entryhi, entrylo0, entrylo1,
-				       flush_dcache_mask);
+	preempt_disable();
+	entryhi = (vaddr | kvm_mips_get_kernel_asid(vcpu));
+	ret = kvm_mips_host_tlb_write(vcpu, entryhi, entrylo0, entrylo1,
+				      flush_dcache_mask);
+	preempt_enable();
+
+	return ret;
 }
 EXPORT_SYMBOL_GPL(kvm_mips_handle_kseg0_tlb_fault);
 
@@ -361,6 +373,7 @@ int kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu,
 	unsigned long entryhi = 0, entrylo0 = 0, entrylo1 = 0;
 	struct kvm *kvm = vcpu->kvm;
 	kvm_pfn_t pfn0, pfn1;
+	int ret;
 
 	if ((tlb->tlb_hi & VPN2_MASK) == 0) {
 		pfn0 = 0;
@@ -387,9 +400,6 @@ int kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu,
 		*hpa1 = pfn1 << PAGE_SHIFT;
 
 	/* Get attributes from the Guest TLB */
-	entryhi = (tlb->tlb_hi & VPN2_MASK) | (KVM_GUEST_KERNEL_MODE(vcpu) ?
-					       kvm_mips_get_kernel_asid(vcpu) :
-					       kvm_mips_get_user_asid(vcpu));
 	entrylo0 = mips3_paddr_to_tlbpfn(pfn0 << PAGE_SHIFT) | (0x3 << 3) |
 		   (tlb->tlb_lo0 & MIPS3_PG_D) | (tlb->tlb_lo0 & MIPS3_PG_V);
 	entrylo1 = mips3_paddr_to_tlbpfn(pfn1 << PAGE_SHIFT) | (0x3 << 3) |
@@ -398,8 +408,15 @@ int kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu,
 	kvm_debug("@ %#lx tlb_lo0: 0x%08lx tlb_lo1: 0x%08lx\n", vcpu->arch.pc,
 		  tlb->tlb_lo0, tlb->tlb_lo1);
 
-	return kvm_mips_host_tlb_write(vcpu, entryhi, entrylo0, entrylo1,
-				       tlb->tlb_mask);
+	preempt_disable();
+	entryhi = (tlb->tlb_hi & VPN2_MASK) | (KVM_GUEST_KERNEL_MODE(vcpu) ?
+					       kvm_mips_get_kernel_asid(vcpu) :
+					       kvm_mips_get_user_asid(vcpu));
+	ret = kvm_mips_host_tlb_write(vcpu, entryhi, entrylo0, entrylo1,
+				      tlb->tlb_mask);
+	preempt_enable();
+
+	return ret;
 }
 EXPORT_SYMBOL_GPL(kvm_mips_handle_mapped_seg_tlb_fault);
 
@@ -564,15 +581,15 @@ void kvm_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu,
 {
 	unsigned long asid = asid_cache(cpu);
 
-	asid += ASID_INC;
-	if (!(asid & ASID_MASK)) {
+	asid += cpu_asid_inc();
+	if (!(asid & cpu_asid_mask(&cpu_data[cpu]))) {
 		if (cpu_has_vtag_icache)
 			flush_icache_all();
 
 		kvm_local_flush_tlb_all();      /* start new asid cycle */
 
 		if (!asid)      /* fix version if needed */
-			asid = ASID_FIRST_VERSION;
+			asid = asid_first_version(cpu);
 	}
 
 	cpu_context(cpu, mm) = asid_cache(cpu) = asid;
@@ -627,6 +644,7 @@ static void kvm_mips_migrate_count(struct kvm_vcpu *vcpu)
 /* Restore ASID once we are scheduled back after preemption */
 void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 {
+	unsigned long asid_mask = cpu_asid_mask(&cpu_data[cpu]);
 	unsigned long flags;
 	int newasid = 0;
 
@@ -637,7 +655,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 	local_irq_save(flags);
 
 	if ((vcpu->arch.guest_kernel_asid[cpu] ^ asid_cache(cpu)) &
-							ASID_VERSION_MASK) {
+						asid_version_mask(cpu)) {
 		kvm_get_new_mmu_context(&vcpu->arch.guest_kernel_mm, cpu, vcpu);
 		vcpu->arch.guest_kernel_asid[cpu] =
 		    vcpu->arch.guest_kernel_mm.context.asid[cpu];
@@ -672,7 +690,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 		 */
 		if (current->flags & PF_VCPU) {
 			write_c0_entryhi(vcpu->arch.
-					 preempt_entryhi & ASID_MASK);
+					 preempt_entryhi & asid_mask);
 			ehb();
 		}
 	} else {
@@ -687,11 +705,11 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 			if (KVM_GUEST_KERNEL_MODE(vcpu))
 				write_c0_entryhi(vcpu->arch.
 						 guest_kernel_asid[cpu] &
-						 ASID_MASK);
+						 asid_mask);
 			else
 				write_c0_entryhi(vcpu->arch.
 						 guest_user_asid[cpu] &
-						 ASID_MASK);
+						 asid_mask);
 			ehb();
 		}
 	}
@@ -721,7 +739,7 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
 	kvm_mips_callbacks->vcpu_get_regs(vcpu);
 
 	if (((cpu_context(cpu, current->mm) ^ asid_cache(cpu)) &
-	     ASID_VERSION_MASK)) {
+	     asid_version_mask(cpu))) {
 		kvm_debug("%s: Dropping MMU Context:  %#lx\n", __func__,
 			  cpu_context(cpu, current->mm));
 		drop_mmu_context(current->mm, cpu);
@@ -748,7 +766,8 @@ uint32_t kvm_get_inst(uint32_t *opc, struct kvm_vcpu *vcpu)
 			inst = *(opc);
 		} else {
 			vpn2 = (unsigned long) opc & VPN2_MASK;
-			asid = kvm_read_c0_guest_entryhi(cop0) & ASID_MASK;
+			asid = kvm_read_c0_guest_entryhi(cop0) &
+						KVM_ENTRYHI_ASID;
 			index = kvm_mips_guest_tlb_lookup(vcpu, vpn2 | asid);
 			if (index < 0) {
 				kvm_err("%s: get_user_failed for %p, vcpu: %p, ASID: %#lx\n",
diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c
index caa5ea103..6ba0fafce 100644
--- a/arch/mips/kvm/trap_emul.c
+++ b/arch/mips/kvm/trap_emul.c
@@ -505,7 +505,8 @@ static int kvm_trap_emul_vcpu_setup(struct kvm_vcpu *vcpu)
 	kvm_write_c0_guest_intctl(cop0, 0xFC000000);
 
 	/* Put in vcpu id as CPUNum into Ebase Reg to handle SMP Guests */
-	kvm_write_c0_guest_ebase(cop0, KVM_GUEST_KSEG0 | (vcpu_id & 0xFF));
+	kvm_write_c0_guest_ebase(cop0, KVM_GUEST_KSEG0 |
+				       (vcpu_id & MIPS_EBASE_CPUNUM));
 
 	return 0;
 }
diff --git a/arch/mips/lantiq/Kconfig b/arch/mips/lantiq/Kconfig
index e10d33342..177769dbb 100644
--- a/arch/mips/lantiq/Kconfig
+++ b/arch/mips/lantiq/Kconfig
@@ -25,7 +25,17 @@ config SOC_FALCON
 endchoice
 
 choice
-	prompt "Devicetree"
+	prompt "Built-in device tree"
+	help
+	  Legacy bootloaders do not pass a DTB pointer to the kernel, so
+	  if a "wrapper" is not being used, the kernel will need to include
+	  a device tree that matches the target board.
+
+	  The builtin DTB will only be used if the firmware does not supply
+	  a valid DTB.
+
+config LANTIQ_DT_NONE
+	bool "None"
 
 config DT_EASY50712
 	bool "Easy50712"
diff --git a/arch/mips/lantiq/Makefile b/arch/mips/lantiq/Makefile
index 690257ab8..2718652e7 100644
--- a/arch/mips/lantiq/Makefile
+++ b/arch/mips/lantiq/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+# Copyright (C) 2010 John Crispin <john@phrozen.org>
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License version 2 as published
diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c
index a0706fd4c..149f0513c 100644
--- a/arch/mips/lantiq/clk.c
+++ b/arch/mips/lantiq/clk.c
@@ -4,7 +4,7 @@
  *  by the Free Software Foundation.
  *
  * Copyright (C) 2010 Thomas Langer <thomas.langer@lantiq.com>
- * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 #include <linux/io.h>
 #include <linux/export.h>
diff --git a/arch/mips/lantiq/clk.h b/arch/mips/lantiq/clk.h
index 7376ce817..e806e048f 100644
--- a/arch/mips/lantiq/clk.h
+++ b/arch/mips/lantiq/clk.h
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #ifndef _LTQ_CLK_H__
diff --git a/arch/mips/lantiq/early_printk.c b/arch/mips/lantiq/early_printk.c
index 9b28d0940..44bccaee8 100644
--- a/arch/mips/lantiq/early_printk.c
+++ b/arch/mips/lantiq/early_printk.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #include <linux/cpu.h>
diff --git a/arch/mips/lantiq/falcon/prom.c b/arch/mips/lantiq/falcon/prom.c
index aa9497947..75315c0a9 100644
--- a/arch/mips/lantiq/falcon/prom.c
+++ b/arch/mips/lantiq/falcon/prom.c
@@ -4,7 +4,7 @@
  * by the Free Software Foundation.
  *
  * Copyright (C) 2012 Thomas Langer <thomas.langer@lantiq.com>
- * Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2012 John Crispin <john@phrozen.org>
  */
 
 #include <linux/kernel.h>
diff --git a/arch/mips/lantiq/falcon/reset.c b/arch/mips/lantiq/falcon/reset.c
index 568248253..7a535d72f 100644
--- a/arch/mips/lantiq/falcon/reset.c
+++ b/arch/mips/lantiq/falcon/reset.c
@@ -4,7 +4,7 @@
  * by the Free Software Foundation.
  *
  * Copyright (C) 2012 Thomas Langer <thomas.langer@lantiq.com>
- * Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2012 John Crispin <john@phrozen.org>
  */
 
 #include <linux/init.h>
diff --git a/arch/mips/lantiq/falcon/sysctrl.c b/arch/mips/lantiq/falcon/sysctrl.c
index 7edcd4946..2a1b30215 100644
--- a/arch/mips/lantiq/falcon/sysctrl.c
+++ b/arch/mips/lantiq/falcon/sysctrl.c
@@ -4,7 +4,7 @@
  * by the Free Software Foundation.
  *
  * Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com>
- * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2011 John Crispin <john@phrozen.org>
  */
 
 #include <linux/ioport.h>
diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
index 2e7f60c9f..ff17669e3 100644
--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2010 John Crispin <john@phrozen.org>
  * Copyright (C) 2010 Thomas Langer <thomas.langer@lantiq.com>
  */
 
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index 297bcaa6b..5f693ac77 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #include <linux/export.h>
@@ -65,6 +65,8 @@ static void __init prom_init_cmdline(void)
 
 void __init plat_mem_setup(void)
 {
+	void *dtb;
+
 	ioport_resource.start = IOPORT_RESOURCE_START;
 	ioport_resource.end = IOPORT_RESOURCE_END;
 	iomem_resource.start = IOMEM_RESOURCE_START;
@@ -72,11 +74,18 @@ void __init plat_mem_setup(void)
 
 	set_io_port_base((unsigned long) KSEG1);
 
+	if (fw_arg0 == -2) /* UHI interface */
+		dtb = (void *)fw_arg1;
+	else if (__dtb_start != __dtb_end)
+		dtb = (void *)__dtb_start;
+	else
+		panic("no dtb found");
+
 	/*
-	 * Load the builtin devicetree. This causes the chosen node to be
+	 * Load the devicetree. This causes the chosen node to be
 	 * parsed resulting in our memory appearing
 	 */
-	__dt_setup_arch(__dtb_start);
+	__dt_setup_arch(dtb);
 }
 
 void __init device_tree_init(void)
diff --git a/arch/mips/lantiq/prom.h b/arch/mips/lantiq/prom.h
index bfd2d58c1..4b6576c50 100644
--- a/arch/mips/lantiq/prom.h
+++ b/arch/mips/lantiq/prom.h
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #ifndef _LTQ_PROM_H__
diff --git a/arch/mips/lantiq/xway/clk.c b/arch/mips/lantiq/xway/clk.c
index 07f6d5b0b..41fc30d8e 100644
--- a/arch/mips/lantiq/xway/clk.c
+++ b/arch/mips/lantiq/xway/clk.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  *  Copyright (C) 2013-2015 Lantiq Beteiligungs-GmbH & Co.KG
  */
 
diff --git a/arch/mips/lantiq/xway/dcdc.c b/arch/mips/lantiq/xway/dcdc.c
index ae8e930f5..08f7abaad 100644
--- a/arch/mips/lantiq/xway/dcdc.c
+++ b/arch/mips/lantiq/xway/dcdc.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2012 John Crispin <john@phrozen.org>
  *  Copyright (C) 2010 Sameer Ahmad, Lantiq GmbH
  */
 
diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
index 34a116e84..cef811755 100644
--- a/arch/mips/lantiq/xway/dma.c
+++ b/arch/mips/lantiq/xway/dma.c
@@ -12,7 +12,7 @@
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
- *   Copyright (C) 2011 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2011 John Crispin <john@phrozen.org>
  */
 
 #include <linux/init.h>
diff --git a/arch/mips/lantiq/xway/gptu.c b/arch/mips/lantiq/xway/gptu.c
index f1492b2db..0f1bbea1a 100644
--- a/arch/mips/lantiq/xway/gptu.c
+++ b/arch/mips/lantiq/xway/gptu.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2012 John Crispin <john@phrozen.org>
  *  Copyright (C) 2012 Lantiq GmbH
  */
 
diff --git a/arch/mips/lantiq/xway/prom.c b/arch/mips/lantiq/xway/prom.c
index 8f6e02f1e..9475b2510 100644
--- a/arch/mips/lantiq/xway/prom.c
+++ b/arch/mips/lantiq/xway/prom.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  *  Copyright (C) 2013-2015 Lantiq Beteiligungs-GmbH & Co.KG
  */
 
diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c
index bc29bb349..83fd65d76 100644
--- a/arch/mips/lantiq/xway/reset.c
+++ b/arch/mips/lantiq/xway/reset.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  *  Copyright (C) 2013-2015 Lantiq Beteiligungs-GmbH & Co.KG
  */
 
@@ -258,7 +258,7 @@ static int ltq_reset_device(struct reset_controller_dev *rcdev,
 	return ltq_deassert_device(rcdev, id);
 }
 
-static struct reset_control_ops reset_ops = {
+static const struct reset_control_ops reset_ops = {
 	.reset = ltq_reset_device,
 	.assert = ltq_assert_device,
 	.deassert = ltq_deassert_device,
diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
index 80554e8f6..236193b52 100644
--- a/arch/mips/lantiq/xway/sysctrl.c
+++ b/arch/mips/lantiq/xway/sysctrl.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2011-2012 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2011-2012 John Crispin <john@phrozen.org>
  *  Copyright (C) 2013-2015 Lantiq Beteiligungs-GmbH & Co.KG
  */
 
diff --git a/arch/mips/lantiq/xway/vmmc.c b/arch/mips/lantiq/xway/vmmc.c
index d001bc389..4625495f9 100644
--- a/arch/mips/lantiq/xway/vmmc.c
+++ b/arch/mips/lantiq/xway/vmmc.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2012 John Crispin <john@phrozen.org>
  */
 
 #include <linux/module.h>
diff --git a/arch/mips/lantiq/xway/xrx200_phy_fw.c b/arch/mips/lantiq/xway/xrx200_phy_fw.c
index 10d3e6f54..27e4a9406 100644
--- a/arch/mips/lantiq/xway/xrx200_phy_fw.c
+++ b/arch/mips/lantiq/xway/xrx200_phy_fw.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2012 John Crispin <john@phrozen.org>
  */
 
 #include <linux/delay.h>
@@ -112,6 +112,6 @@ static struct platform_driver xway_phy_driver = {
 
 module_platform_driver(xway_phy_driver);
 
-MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_AUTHOR("John Crispin <john@phrozen.org>");
 MODULE_DESCRIPTION("Lantiq XRX200 PHY Firmware Loader");
 MODULE_LICENSE("GPL");
diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c
index b42095880..27533c109 100644
--- a/arch/mips/lasat/picvue_proc.c
+++ b/arch/mips/lasat/picvue_proc.c
@@ -43,7 +43,7 @@ static int pvc_line_proc_show(struct seq_file *m, void *v)
 {
 	int lineno = *(int *)m->private;
 
-	if (lineno < 0 || lineno > PVC_NLINES) {
+	if (lineno < 0 || lineno >= PVC_NLINES) {
 		printk(KERN_WARNING "proc_read_line: invalid lineno %d\n", lineno);
 		return 0;
 	}
@@ -67,7 +67,7 @@ static ssize_t pvc_line_proc_write(struct file *file, const char __user *buf,
 	char kbuf[PVC_LINELEN];
 	size_t len;
 
-	BUG_ON(lineno < 0 || lineno > PVC_NLINES);
+	BUG_ON(lineno < 0 || lineno >= PVC_NLINES);
 
 	len = min(count, sizeof(kbuf) - 1);
 	if (copy_from_user(kbuf, buf, len))
diff --git a/arch/mips/lib/dump_tlb.c b/arch/mips/lib/dump_tlb.c
index 92a37319e..0f80b936e 100644
--- a/arch/mips/lib/dump_tlb.c
+++ b/arch/mips/lib/dump_tlb.c
@@ -19,6 +19,8 @@ void dump_tlb_regs(void)
 
 	pr_info("Index    : %0x\n", read_c0_index());
 	pr_info("PageMask : %0x\n", read_c0_pagemask());
+	if (cpu_has_guestid)
+		pr_info("GuestCtl1: %0x\n", read_c0_guestctl1());
 	pr_info("EntryHi  : %0*lx\n", field, read_c0_entryhi());
 	pr_info("EntryLo0 : %0*lx\n", field, read_c0_entrylo0());
 	pr_info("EntryLo1 : %0*lx\n", field, read_c0_entrylo1());
@@ -72,7 +74,10 @@ static void dump_tlb(int first, int last)
 {
 	unsigned long s_entryhi, entryhi, asid;
 	unsigned long long entrylo0, entrylo1, pa;
-	unsigned int s_index, s_pagemask, pagemask, c0, c1, i;
+	unsigned int s_index, s_pagemask, s_guestctl1 = 0;
+	unsigned int pagemask, guestctl1 = 0, c0, c1, i;
+	unsigned long asidmask = cpu_asid_mask(&current_cpu_data);
+	int asidwidth = DIV_ROUND_UP(ilog2(asidmask) + 1, 4);
 #ifdef CONFIG_32BIT
 	bool xpa = cpu_has_xpa && (read_c0_pagegrain() & PG_ELPA);
 	int pwidth = xpa ? 11 : 8;
@@ -86,7 +91,9 @@ static void dump_tlb(int first, int last)
 	s_pagemask = read_c0_pagemask();
 	s_entryhi = read_c0_entryhi();
 	s_index = read_c0_index();
-	asid = s_entryhi & 0xff;
+	asid = s_entryhi & asidmask;
+	if (cpu_has_guestid)
+		s_guestctl1 = read_c0_guestctl1();
 
 	for (i = first; i <= last; i++) {
 		write_c0_index(i);
@@ -97,6 +104,8 @@ static void dump_tlb(int first, int last)
 		entryhi	 = read_c0_entryhi();
 		entrylo0 = read_c0_entrylo0();
 		entrylo1 = read_c0_entrylo1();
+		if (cpu_has_guestid)
+			guestctl1 = read_c0_guestctl1();
 
 		/* EHINV bit marks entire entry as invalid */
 		if (cpu_has_tlbinv && entryhi & MIPS_ENTRYHI_EHINV)
@@ -115,7 +124,7 @@ static void dump_tlb(int first, int last)
 		 * due to duplicate TLB entry.
 		 */
 		if (!((entrylo0 | entrylo1) & ENTRYLO_G) &&
-		    (entryhi & 0xff) != asid)
+		    (entryhi & asidmask) != asid)
 			continue;
 
 		/*
@@ -126,15 +135,19 @@ static void dump_tlb(int first, int last)
 		c0 = (entrylo0 & ENTRYLO_C) >> ENTRYLO_C_SHIFT;
 		c1 = (entrylo1 & ENTRYLO_C) >> ENTRYLO_C_SHIFT;
 
-		printk("va=%0*lx asid=%02lx\n",
+		printk("va=%0*lx asid=%0*lx",
 		       vwidth, (entryhi & ~0x1fffUL),
-		       entryhi & 0xff);
+		       asidwidth, entryhi & asidmask);
+		if (cpu_has_guestid)
+			printk(" gid=%02lx",
+			       (guestctl1 & MIPS_GCTL1_RID)
+					>> MIPS_GCTL1_RID_SHIFT);
 		/* RI/XI are in awkward places, so mask them off separately */
 		pa = entrylo0 & ~(MIPS_ENTRYLO_RI | MIPS_ENTRYLO_XI);
 		if (xpa)
 			pa |= (unsigned long long)readx_c0_entrylo0() << 30;
 		pa = (pa << 6) & PAGE_MASK;
-		printk("\t[");
+		printk("\n\t[");
 		if (cpu_has_rixi)
 			printk("ri=%d xi=%d ",
 			       (entrylo0 & MIPS_ENTRYLO_RI) ? 1 : 0,
@@ -164,6 +177,8 @@ static void dump_tlb(int first, int last)
 	write_c0_entryhi(s_entryhi);
 	write_c0_index(s_index);
 	write_c0_pagemask(s_pagemask);
+	if (cpu_has_guestid)
+		write_c0_guestctl1(s_guestctl1);
 }
 
 void dump_tlb_all(void)
diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S
index 9245e1705..6c303a94a 100644
--- a/arch/mips/lib/memcpy.S
+++ b/arch/mips/lib/memcpy.S
@@ -256,7 +256,7 @@
 
 	/*
 	 * Macro to build the __copy_user common code
-	 * Arguements:
+	 * Arguments:
 	 * mode : LEGACY_MODE or EVA_MODE
 	 * from : Source operand. USEROP or KERNELOP
 	 * to   : Destination operand. USEROP or KERNELOP
diff --git a/arch/mips/lib/memset.S b/arch/mips/lib/memset.S
index 8f0019a2e..18a1ccd4d 100644
--- a/arch/mips/lib/memset.S
+++ b/arch/mips/lib/memset.S
@@ -228,10 +228,12 @@
 	.hidden __memset
 	.endif
 
+#ifdef CONFIG_CPU_MIPSR6
 .Lbyte_fixup\@:
 	PTR_SUBU	a2, $0, t0
 	jr		ra
 	 PTR_ADDIU	a2, 1
+#endif /* CONFIG_CPU_MIPSR6 */
 
 .Lfirst_fixup\@:
 	jr	ra
diff --git a/arch/mips/lib/r3k_dump_tlb.c b/arch/mips/lib/r3k_dump_tlb.c
index cfcbb5218..744f4a7bc 100644
--- a/arch/mips/lib/r3k_dump_tlb.c
+++ b/arch/mips/lib/r3k_dump_tlb.c
@@ -29,9 +29,10 @@ static void dump_tlb(int first, int last)
 {
 	int	i;
 	unsigned int asid;
-	unsigned long entryhi, entrylo0;
+	unsigned long entryhi, entrylo0, asid_mask;
 
-	asid = read_c0_entryhi() & ASID_MASK;
+	asid_mask = cpu_asid_mask(&current_cpu_data);
+	asid = read_c0_entryhi() & asid_mask;
 
 	for (i = first; i <= last; i++) {
 		write_c0_index(i<<8);
@@ -46,7 +47,7 @@ static void dump_tlb(int first, int last)
 		/* Unused entries have a virtual address of KSEG0.  */
 		if ((entryhi & PAGE_MASK) != KSEG0 &&
 		    (entrylo0 & R3K_ENTRYLO_G ||
-		     (entryhi & ASID_MASK) == asid)) {
+		     (entryhi & asid_mask) == asid)) {
 			/*
 			 * Only print entries in use
 			 */
@@ -55,7 +56,7 @@ static void dump_tlb(int first, int last)
 			printk("va=%08lx asid=%08lx"
 			       "  [pa=%06lx n=%d d=%d v=%d g=%d]",
 			       entryhi & PAGE_MASK,
-			       entryhi & ASID_MASK,
+			       entryhi & asid_mask,
 			       entrylo0 & PAGE_MASK,
 			       (entrylo0 & R3K_ENTRYLO_N) ? 1 : 0,
 			       (entrylo0 & R3K_ENTRYLO_D) ? 1 : 0,
diff --git a/arch/mips/loongson32/common/platform.c b/arch/mips/loongson32/common/platform.c
index ddf1d4cbf..f2c714d8f 100644
--- a/arch/mips/loongson32/common/platform.c
+++ b/arch/mips/loongson32/common/platform.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
+ * Copyright (c) 2011-2016 Zhang, Keguang <keguang.zhang@gmail.com>
  *
  * This program is free software; you can redistribute	it and/or modify it
  * under  the terms of	the GNU General	 Public License as published by the
@@ -10,14 +10,17 @@
 #include <linux/clk.h>
 #include <linux/dma-mapping.h>
 #include <linux/err.h>
+#include <linux/mtd/partitions.h>
+#include <linux/sizes.h>
 #include <linux/phy.h>
 #include <linux/serial_8250.h>
 #include <linux/stmmac.h>
 #include <linux/usb/ehci_pdriver.h>
-#include <asm-generic/sizes.h>
 
-#include <cpufreq.h>
 #include <loongson1.h>
+#include <cpufreq.h>
+#include <dma.h>
+#include <nand.h>
 
 /* 8250/16550 compatible UART */
 #define LS1X_UART(_id)						\
@@ -45,7 +48,7 @@ struct platform_device ls1x_uart_pdev = {
 	},
 };
 
-void __init ls1x_serial_setup(struct platform_device *pdev)
+void __init ls1x_serial_set_uartclk(struct platform_device *pdev)
 {
 	struct clk *clk;
 	struct plat_serial8250_port *p;
@@ -77,6 +80,42 @@ struct platform_device ls1x_cpufreq_pdev = {
 	},
 };
 
+/* DMA */
+static struct resource ls1x_dma_resources[] = {
+	[0] = {
+		.start = LS1X_DMAC_BASE,
+		.end = LS1X_DMAC_BASE + SZ_4 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = LS1X_DMA0_IRQ,
+		.end = LS1X_DMA0_IRQ,
+		.flags = IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start = LS1X_DMA1_IRQ,
+		.end = LS1X_DMA1_IRQ,
+		.flags = IORESOURCE_IRQ,
+	},
+	[3] = {
+		.start = LS1X_DMA2_IRQ,
+		.end = LS1X_DMA2_IRQ,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device ls1x_dma_pdev = {
+	.name		= "ls1x-dma",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(ls1x_dma_resources),
+	.resource	= ls1x_dma_resources,
+};
+
+void __init ls1x_dma_set_platdata(struct plat_ls1x_dma *pdata)
+{
+	ls1x_dma_pdev.dev.platform_data = pdata;
+}
+
 /* Synopsys Ethernet GMAC */
 static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = {
 	.phy_mask	= 0,
@@ -198,6 +237,64 @@ struct platform_device ls1x_eth1_pdev = {
 	},
 };
 
+/* GPIO */
+static struct resource ls1x_gpio0_resources[] = {
+	[0] = {
+		.start	= LS1X_GPIO0_BASE,
+		.end	= LS1X_GPIO0_BASE + SZ_4 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+struct platform_device ls1x_gpio0_pdev = {
+	.name		= "ls1x-gpio",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(ls1x_gpio0_resources),
+	.resource	= ls1x_gpio0_resources,
+};
+
+static struct resource ls1x_gpio1_resources[] = {
+	[0] = {
+		.start	= LS1X_GPIO1_BASE,
+		.end	= LS1X_GPIO1_BASE + SZ_4 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+struct platform_device ls1x_gpio1_pdev = {
+	.name		= "ls1x-gpio",
+	.id		= 1,
+	.num_resources	= ARRAY_SIZE(ls1x_gpio1_resources),
+	.resource	= ls1x_gpio1_resources,
+};
+
+/* NAND Flash */
+static struct resource ls1x_nand_resources[] = {
+	[0] = {
+		.start	= LS1X_NAND_BASE,
+		.end	= LS1X_NAND_BASE + SZ_32 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		/* DMA channel 0 is dedicated to NAND */
+		.start	= LS1X_DMA_CHANNEL0,
+		.end	= LS1X_DMA_CHANNEL0,
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+struct platform_device ls1x_nand_pdev = {
+	.name		= "ls1x-nand",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(ls1x_nand_resources),
+	.resource	= ls1x_nand_resources,
+};
+
+void __init ls1x_nand_set_platdata(struct plat_ls1x_nand *pdata)
+{
+	ls1x_nand_pdev.dev.platform_data = pdata;
+}
+
 /* USB EHCI */
 static u64 ls1x_ehci_dmamask = DMA_BIT_MASK(32);
 
diff --git a/arch/mips/loongson32/common/reset.c b/arch/mips/loongson32/common/reset.c
index c41e4ca56..8a1d9cc5a 100644
--- a/arch/mips/loongson32/common/reset.c
+++ b/arch/mips/loongson32/common/reset.c
@@ -9,12 +9,13 @@
 
 #include <linux/io.h>
 #include <linux/pm.h>
+#include <linux/sizes.h>
 #include <asm/idle.h>
 #include <asm/reboot.h>
 
 #include <loongson1.h>
 
-static void __iomem *wdt_base;
+static void __iomem *wdt_reg_base;
 
 static void ls1x_halt(void)
 {
@@ -26,9 +27,9 @@ static void ls1x_halt(void)
 
 static void ls1x_restart(char *command)
 {
-	__raw_writel(0x1, wdt_base + WDT_EN);
-	__raw_writel(0x1, wdt_base + WDT_TIMER);
-	__raw_writel(0x1, wdt_base + WDT_SET);
+	__raw_writel(0x1, wdt_reg_base + WDT_EN);
+	__raw_writel(0x1, wdt_reg_base + WDT_TIMER);
+	__raw_writel(0x1, wdt_reg_base + WDT_SET);
 
 	ls1x_halt();
 }
@@ -40,8 +41,8 @@ static void ls1x_power_off(void)
 
 static int __init ls1x_reboot_setup(void)
 {
-	wdt_base = ioremap_nocache(LS1X_WDT_BASE, 0x0f);
-	if (!wdt_base)
+	wdt_reg_base = ioremap_nocache(LS1X_WDT_BASE, (SZ_4 + SZ_8));
+	if (!wdt_reg_base)
 		panic("Failed to remap watchdog registers");
 
 	_machine_restart = ls1x_restart;
diff --git a/arch/mips/loongson32/common/time.c b/arch/mips/loongson32/common/time.c
index 0996b025e..ff224f002 100644
--- a/arch/mips/loongson32/common/time.c
+++ b/arch/mips/loongson32/common/time.c
@@ -9,6 +9,7 @@
 
 #include <linux/clk.h>
 #include <linux/interrupt.h>
+#include <linux/sizes.h>
 #include <asm/time.h>
 
 #include <loongson1.h>
@@ -35,25 +36,25 @@
 
 DEFINE_RAW_SPINLOCK(ls1x_timer_lock);
 
-static void __iomem *timer_base;
+static void __iomem *timer_reg_base;
 static uint32_t ls1x_jiffies_per_tick;
 
 static inline void ls1x_pwmtimer_set_period(uint32_t period)
 {
-	__raw_writel(period, timer_base + PWM_HRC);
-	__raw_writel(period, timer_base + PWM_LRC);
+	__raw_writel(period, timer_reg_base + PWM_HRC);
+	__raw_writel(period, timer_reg_base + PWM_LRC);
 }
 
 static inline void ls1x_pwmtimer_restart(void)
 {
-	__raw_writel(0x0, timer_base + PWM_CNT);
-	__raw_writel(INT_EN | CNT_EN, timer_base + PWM_CTRL);
+	__raw_writel(0x0, timer_reg_base + PWM_CNT);
+	__raw_writel(INT_EN | CNT_EN, timer_reg_base + PWM_CTRL);
 }
 
 void __init ls1x_pwmtimer_init(void)
 {
-	timer_base = ioremap(LS1X_TIMER_BASE, 0xf);
-	if (!timer_base)
+	timer_reg_base = ioremap_nocache(LS1X_TIMER_BASE, SZ_16);
+	if (!timer_reg_base)
 		panic("Failed to remap timer registers");
 
 	ls1x_jiffies_per_tick = DIV_ROUND_CLOSEST(mips_hpt_frequency, HZ);
@@ -86,7 +87,7 @@ static cycle_t ls1x_clocksource_read(struct clocksource *cs)
 	 */
 	jifs = jiffies;
 	/* read the count */
-	count = __raw_readl(timer_base + PWM_CNT);
+	count = __raw_readl(timer_reg_base + PWM_CNT);
 
 	/*
 	 * It's possible for count to appear to go the wrong way for this
@@ -131,7 +132,7 @@ static int ls1x_clockevent_set_state_periodic(struct clock_event_device *cd)
 	raw_spin_lock(&ls1x_timer_lock);
 	ls1x_pwmtimer_set_period(ls1x_jiffies_per_tick);
 	ls1x_pwmtimer_restart();
-	__raw_writel(INT_EN | CNT_EN, timer_base + PWM_CTRL);
+	__raw_writel(INT_EN | CNT_EN, timer_reg_base + PWM_CTRL);
 	raw_spin_unlock(&ls1x_timer_lock);
 
 	return 0;
@@ -140,7 +141,7 @@ static int ls1x_clockevent_set_state_periodic(struct clock_event_device *cd)
 static int ls1x_clockevent_tick_resume(struct clock_event_device *cd)
 {
 	raw_spin_lock(&ls1x_timer_lock);
-	__raw_writel(INT_EN | CNT_EN, timer_base + PWM_CTRL);
+	__raw_writel(INT_EN | CNT_EN, timer_reg_base + PWM_CTRL);
 	raw_spin_unlock(&ls1x_timer_lock);
 
 	return 0;
@@ -149,8 +150,8 @@ static int ls1x_clockevent_tick_resume(struct clock_event_device *cd)
 static int ls1x_clockevent_set_state_shutdown(struct clock_event_device *cd)
 {
 	raw_spin_lock(&ls1x_timer_lock);
-	__raw_writel(__raw_readl(timer_base + PWM_CTRL) & ~CNT_EN,
-		     timer_base + PWM_CTRL);
+	__raw_writel(__raw_readl(timer_reg_base + PWM_CTRL) & ~CNT_EN,
+		     timer_reg_base + PWM_CTRL);
 	raw_spin_unlock(&ls1x_timer_lock);
 
 	return 0;
@@ -220,7 +221,7 @@ void __init plat_time_init(void)
 
 #ifdef CONFIG_CEVT_CSRC_LS1X
 	/* setup LS1X PWM timer */
-	clk = clk_get(NULL, "ls1x_pwmtimer");
+	clk = clk_get(NULL, "ls1x-pwmtimer");
 	if (IS_ERR(clk))
 		panic("unable to get timer clock, err=%ld", PTR_ERR(clk));
 
diff --git a/arch/mips/loongson32/ls1b/board.c b/arch/mips/loongson32/ls1b/board.c
index 58daeea25..38a1d404b 100644
--- a/arch/mips/loongson32/ls1b/board.c
+++ b/arch/mips/loongson32/ls1b/board.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
+ * Copyright (c) 2011-2016 Zhang, Keguang <keguang.zhang@gmail.com>
  *
  * This program is free software; you can redistribute	it and/or modify it
  * under  the terms of	the GNU General	 Public License as published by the
@@ -7,26 +7,83 @@
  * option) any later version.
  */
 
+#include <linux/leds.h>
+#include <linux/mtd/partitions.h>
+#include <linux/sizes.h>
+
+#include <loongson1.h>
+#include <dma.h>
+#include <nand.h>
 #include <platform.h>
 
+struct plat_ls1x_dma ls1x_dma_pdata = {
+	.nr_channels	= 3,
+};
+
+static struct mtd_partition ls1x_nand_parts[] = {
+	{
+		.name        = "kernel",
+		.offset      = 0,
+		.size        = SZ_16M,
+	},
+	{
+		.name        = "rootfs",
+		.offset      = MTDPART_OFS_APPEND,
+		.size        = MTDPART_SIZ_FULL,
+	},
+};
+
+struct plat_ls1x_nand ls1x_nand_pdata = {
+	.parts		= ls1x_nand_parts,
+	.nr_parts	= ARRAY_SIZE(ls1x_nand_parts),
+	.hold_cycle	= 0x2,
+	.wait_cycle	= 0xc,
+};
+
+static const struct gpio_led ls1x_gpio_leds[] __initconst = {
+	{
+		.name			= "LED9",
+		.default_trigger	= "heartbeat",
+		.gpio			= 38,
+		.active_low		= 1,
+		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
+	}, {
+		.name			= "LED6",
+		.default_trigger	= "nand-disk",
+		.gpio			= 39,
+		.active_low		= 1,
+		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
+	},
+};
+
+static const struct gpio_led_platform_data ls1x_led_pdata __initconst = {
+	.num_leds	= ARRAY_SIZE(ls1x_gpio_leds),
+	.leds		= ls1x_gpio_leds,
+};
+
 static struct platform_device *ls1b_platform_devices[] __initdata = {
 	&ls1x_uart_pdev,
 	&ls1x_cpufreq_pdev,
+	&ls1x_dma_pdev,
 	&ls1x_eth0_pdev,
 	&ls1x_eth1_pdev,
 	&ls1x_ehci_pdev,
+	&ls1x_gpio0_pdev,
+	&ls1x_gpio1_pdev,
+	&ls1x_nand_pdev,
 	&ls1x_rtc_pdev,
 };
 
 static int __init ls1b_platform_init(void)
 {
-	int err;
+	ls1x_serial_set_uartclk(&ls1x_uart_pdev);
+	ls1x_dma_set_platdata(&ls1x_dma_pdata);
+	ls1x_nand_set_platdata(&ls1x_nand_pdata);
 
-	ls1x_serial_setup(&ls1x_uart_pdev);
+	gpio_led_register_device(-1, &ls1x_led_pdata);
 
-	err = platform_add_devices(ls1b_platform_devices,
+	return platform_add_devices(ls1b_platform_devices,
 				   ARRAY_SIZE(ls1b_platform_devices));
-	return err;
 }
 
 arch_initcall(ls1b_platform_init);
diff --git a/arch/mips/loongson64/common/env.c b/arch/mips/loongson64/common/env.c
index d6d07ad56..57d590ac8 100644
--- a/arch/mips/loongson64/common/env.c
+++ b/arch/mips/loongson64/common/env.c
@@ -105,6 +105,10 @@ void __init prom_init_env(void)
 		loongson_chiptemp[1] = 0x900010001fe0019c;
 		loongson_chiptemp[2] = 0x900020001fe0019c;
 		loongson_chiptemp[3] = 0x900030001fe0019c;
+		loongson_freqctrl[0] = 0x900000001fe001d0;
+		loongson_freqctrl[1] = 0x900010001fe001d0;
+		loongson_freqctrl[2] = 0x900020001fe001d0;
+		loongson_freqctrl[3] = 0x900030001fe001d0;
 		loongson_sysconf.ht_control_base = 0x90000EFDFB000000;
 		loongson_sysconf.workarounds = WORKAROUND_CPUFREQ;
 	} else if (ecpu->cputype == Loongson_3B) {
@@ -187,7 +191,8 @@ void __init prom_init_env(void)
 		case PRID_REV_LOONGSON2F:
 			cpu_clock_freq = 797000000;
 			break;
-		case PRID_REV_LOONGSON3A:
+		case PRID_REV_LOONGSON3A_R1:
+		case PRID_REV_LOONGSON3A_R2:
 			cpu_clock_freq = 900000000;
 			break;
 		case PRID_REV_LOONGSON3B_R1:
diff --git a/arch/mips/loongson64/loongson-3/Makefile b/arch/mips/loongson64/loongson-3/Makefile
index 622fead5e..44bc14821 100644
--- a/arch/mips/loongson64/loongson-3/Makefile
+++ b/arch/mips/loongson64/loongson-3/Makefile
@@ -1,7 +1,7 @@
 #
 # Makefile for Loongson-3 family machines
 #
-obj-y			+= irq.o cop2-ex.o platform.o
+obj-y			+= irq.o cop2-ex.o platform.o acpi_init.o
 
 obj-$(CONFIG_SMP)	+= smp.o
 
diff --git a/arch/mips/loongson64/loongson-3/acpi_init.c b/arch/mips/loongson64/loongson-3/acpi_init.c
new file mode 100644
index 000000000..dbdad79ea
--- /dev/null
+++ b/arch/mips/loongson64/loongson-3/acpi_init.c
@@ -0,0 +1,150 @@
+#include <linux/io.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/export.h>
+
+#define SBX00_ACPI_IO_BASE 0x800
+#define SBX00_ACPI_IO_SIZE 0x100
+
+#define ACPI_PM_EVT_BLK         (SBX00_ACPI_IO_BASE + 0x00) /* 4 bytes */
+#define ACPI_PM_CNT_BLK         (SBX00_ACPI_IO_BASE + 0x04) /* 2 bytes */
+#define ACPI_PMA_CNT_BLK        (SBX00_ACPI_IO_BASE + 0x0F) /* 1 byte */
+#define ACPI_PM_TMR_BLK         (SBX00_ACPI_IO_BASE + 0x18) /* 4 bytes */
+#define ACPI_GPE0_BLK           (SBX00_ACPI_IO_BASE + 0x10) /* 8 bytes */
+#define ACPI_END                (SBX00_ACPI_IO_BASE + 0x80)
+
+#define PM_INDEX        0xCD6
+#define PM_DATA         0xCD7
+#define PM2_INDEX       0xCD0
+#define PM2_DATA        0xCD1
+
+/*
+ * SCI interrupt need acpi space, allocate here
+ */
+
+static int __init register_acpi_resource(void)
+{
+	request_region(SBX00_ACPI_IO_BASE, SBX00_ACPI_IO_SIZE, "acpi");
+	return 0;
+}
+
+static void pmio_write_index(u16 index, u8 reg, u8 value)
+{
+	outb(reg, index);
+	outb(value, index + 1);
+}
+
+static u8 pmio_read_index(u16 index, u8 reg)
+{
+	outb(reg, index);
+	return inb(index + 1);
+}
+
+void pm_iowrite(u8 reg, u8 value)
+{
+	pmio_write_index(PM_INDEX, reg, value);
+}
+EXPORT_SYMBOL(pm_iowrite);
+
+u8 pm_ioread(u8 reg)
+{
+	return pmio_read_index(PM_INDEX, reg);
+}
+EXPORT_SYMBOL(pm_ioread);
+
+void pm2_iowrite(u8 reg, u8 value)
+{
+	pmio_write_index(PM2_INDEX, reg, value);
+}
+EXPORT_SYMBOL(pm2_iowrite);
+
+u8 pm2_ioread(u8 reg)
+{
+	return pmio_read_index(PM2_INDEX, reg);
+}
+EXPORT_SYMBOL(pm2_ioread);
+
+static void acpi_hw_clear_status(void)
+{
+	u16 value;
+
+	/* PMStatus: Clear WakeStatus/PwrBtnStatus */
+	value = inw(ACPI_PM_EVT_BLK);
+	value |= (1 << 8 | 1 << 15);
+	outw(value, ACPI_PM_EVT_BLK);
+
+	/* GPEStatus: Clear all generated events */
+	outl(inl(ACPI_GPE0_BLK), ACPI_GPE0_BLK);
+}
+
+void acpi_registers_setup(void)
+{
+	u32 value;
+
+	/* PM Status Base */
+	pm_iowrite(0x20, ACPI_PM_EVT_BLK & 0xff);
+	pm_iowrite(0x21, ACPI_PM_EVT_BLK >> 8);
+
+	/* PM Control Base */
+	pm_iowrite(0x22, ACPI_PM_CNT_BLK & 0xff);
+	pm_iowrite(0x23, ACPI_PM_CNT_BLK >> 8);
+
+	/* GPM Base */
+	pm_iowrite(0x28, ACPI_GPE0_BLK & 0xff);
+	pm_iowrite(0x29, ACPI_GPE0_BLK >> 8);
+
+	/* ACPI End */
+	pm_iowrite(0x2e, ACPI_END & 0xff);
+	pm_iowrite(0x2f, ACPI_END >> 8);
+
+	/* IO Decode: When AcpiDecodeEnable set, South-Bridge uses the contents
+	 * of the PM registers at index 0x20~0x2B to decode ACPI I/O address. */
+	pm_iowrite(0x0e, 1 << 3);
+
+	/* SCI_EN set */
+	outw(1, ACPI_PM_CNT_BLK);
+
+	/* Enable to generate SCI */
+	pm_iowrite(0x10, pm_ioread(0x10) | 1);
+
+	/* GPM3/GPM9 enable */
+	value = inl(ACPI_GPE0_BLK + 4);
+	outl(value | (1 << 14) | (1 << 22), ACPI_GPE0_BLK + 4);
+
+	/* Set GPM9 as input */
+	pm_iowrite(0x8d, pm_ioread(0x8d) & (~(1 << 1)));
+
+	/* Set GPM9 as non-output */
+	pm_iowrite(0x94, pm_ioread(0x94) | (1 << 3));
+
+	/* GPM3 config ACPI trigger SCIOUT */
+	pm_iowrite(0x33, pm_ioread(0x33) & (~(3 << 4)));
+
+	/* GPM9 config ACPI trigger SCIOUT */
+	pm_iowrite(0x3d, pm_ioread(0x3d) & (~(3 << 2)));
+
+	/* GPM3 config falling edge trigger */
+	pm_iowrite(0x37, pm_ioread(0x37) & (~(1 << 6)));
+
+	/* No wait for STPGNT# in ACPI Sx state */
+	pm_iowrite(0x7c, pm_ioread(0x7c) | (1 << 6));
+
+	/* Set GPM3 pull-down enable */
+	value = pm2_ioread(0xf6);
+	value |= ((1 << 7) | (1 << 3));
+	pm2_iowrite(0xf6, value);
+
+	/* Set GPM9 pull-down enable */
+	value = pm2_ioread(0xf8);
+	value |= ((1 << 5) | (1 << 1));
+	pm2_iowrite(0xf8, value);
+}
+
+int __init sbx00_acpi_init(void)
+{
+	register_acpi_resource();
+	acpi_registers_setup();
+	acpi_hw_clear_status();
+
+	return 0;
+}
diff --git a/arch/mips/loongson64/loongson-3/hpet.c b/arch/mips/loongson64/loongson-3/hpet.c
index a2631a52c..249039af6 100644
--- a/arch/mips/loongson64/loongson-3/hpet.c
+++ b/arch/mips/loongson64/loongson-3/hpet.c
@@ -212,7 +212,7 @@ static void hpet_setup(void)
 	/* set hpet base address */
 	smbus_write(SMBUS_PCI_REGB4, HPET_ADDR);
 
-	/* enable decodeing of access to HPET MMIO*/
+	/* enable decoding of access to HPET MMIO*/
 	smbus_enable(SMBUS_PCI_REG40, (1 << 28));
 
 	/* HPET irq enable */
diff --git a/arch/mips/loongson64/loongson-3/irq.c b/arch/mips/loongson64/loongson-3/irq.c
index 0f75b6b3d..8e7649088 100644
--- a/arch/mips/loongson64/loongson-3/irq.c
+++ b/arch/mips/loongson64/loongson-3/irq.c
@@ -24,19 +24,21 @@ static void ht_irqdispatch(void)
 	}
 }
 
+#define UNUSED_IPS (CAUSEF_IP5 | CAUSEF_IP4 | CAUSEF_IP1 | CAUSEF_IP0)
+
 void mach_irq_dispatch(unsigned int pending)
 {
 	if (pending & CAUSEF_IP7)
 		do_IRQ(LOONGSON_TIMER_IRQ);
 #if defined(CONFIG_SMP)
-	else if (pending & CAUSEF_IP6)
+	if (pending & CAUSEF_IP6)
 		loongson3_ipi_interrupt(NULL);
 #endif
-	else if (pending & CAUSEF_IP3)
+	if (pending & CAUSEF_IP3)
 		ht_irqdispatch();
-	else if (pending & CAUSEF_IP2)
+	if (pending & CAUSEF_IP2)
 		do_IRQ(LOONGSON_UART_IRQ);
-	else {
+	if (pending & UNUSED_IPS) {
 		pr_err("%s : spurious interrupt\n", __func__);
 		spurious_interrupt();
 	}
diff --git a/arch/mips/loongson64/loongson-3/smp.c b/arch/mips/loongson64/loongson-3/smp.c
index 509832a98..e59759af6 100644
--- a/arch/mips/loongson64/loongson-3/smp.c
+++ b/arch/mips/loongson64/loongson-3/smp.c
@@ -421,7 +421,6 @@ static int loongson3_cpu_disable(void)
 	local_irq_save(flags);
 	fixup_irqs();
 	local_irq_restore(flags);
-	flush_cache_all();
 	local_flush_tlb_all();
 
 	return 0;
@@ -440,7 +439,7 @@ static void loongson3_cpu_die(unsigned int cpu)
  * flush all L1 entries at first. Then, another core (usually Core 0) can
  * safely disable the clock of the target core. loongson3_play_dead() is
  * called via CKSEG1 (uncached and unmmaped) */
-static void loongson3a_play_dead(int *state_addr)
+static void loongson3a_r1_play_dead(int *state_addr)
 {
 	register int val;
 	register long cpuid, core, node, count;
@@ -502,6 +501,89 @@ static void loongson3a_play_dead(int *state_addr)
 		: "a1");
 }
 
+static void loongson3a_r2_play_dead(int *state_addr)
+{
+	register int val;
+	register long cpuid, core, node, count;
+	register void *addr, *base, *initfunc;
+
+	__asm__ __volatile__(
+		"   .set push                     \n"
+		"   .set noreorder                \n"
+		"   li %[addr], 0x80000000        \n" /* KSEG0 */
+		"1: cache 0, 0(%[addr])           \n" /* flush L1 ICache */
+		"   cache 0, 1(%[addr])           \n"
+		"   cache 0, 2(%[addr])           \n"
+		"   cache 0, 3(%[addr])           \n"
+		"   cache 1, 0(%[addr])           \n" /* flush L1 DCache */
+		"   cache 1, 1(%[addr])           \n"
+		"   cache 1, 2(%[addr])           \n"
+		"   cache 1, 3(%[addr])           \n"
+		"   addiu %[sets], %[sets], -1    \n"
+		"   bnez  %[sets], 1b             \n"
+		"   addiu %[addr], %[addr], 0x40  \n"
+		"   li %[addr], 0x80000000        \n" /* KSEG0 */
+		"2: cache 2, 0(%[addr])           \n" /* flush L1 VCache */
+		"   cache 2, 1(%[addr])           \n"
+		"   cache 2, 2(%[addr])           \n"
+		"   cache 2, 3(%[addr])           \n"
+		"   cache 2, 4(%[addr])           \n"
+		"   cache 2, 5(%[addr])           \n"
+		"   cache 2, 6(%[addr])           \n"
+		"   cache 2, 7(%[addr])           \n"
+		"   cache 2, 8(%[addr])           \n"
+		"   cache 2, 9(%[addr])           \n"
+		"   cache 2, 10(%[addr])          \n"
+		"   cache 2, 11(%[addr])          \n"
+		"   cache 2, 12(%[addr])          \n"
+		"   cache 2, 13(%[addr])          \n"
+		"   cache 2, 14(%[addr])          \n"
+		"   cache 2, 15(%[addr])          \n"
+		"   addiu %[vsets], %[vsets], -1  \n"
+		"   bnez  %[vsets], 2b            \n"
+		"   addiu %[addr], %[addr], 0x40  \n"
+		"   li    %[val], 0x7             \n" /* *state_addr = CPU_DEAD; */
+		"   sw    %[val], (%[state_addr]) \n"
+		"   sync                          \n"
+		"   cache 21, (%[state_addr])     \n" /* flush entry of *state_addr */
+		"   .set pop                      \n"
+		: [addr] "=&r" (addr), [val] "=&r" (val)
+		: [state_addr] "r" (state_addr),
+		  [sets] "r" (cpu_data[smp_processor_id()].dcache.sets),
+		  [vsets] "r" (cpu_data[smp_processor_id()].vcache.sets));
+
+	__asm__ __volatile__(
+		"   .set push                         \n"
+		"   .set noreorder                    \n"
+		"   .set mips64                       \n"
+		"   mfc0  %[cpuid], $15, 1            \n"
+		"   andi  %[cpuid], 0x3ff             \n"
+		"   dli   %[base], 0x900000003ff01000 \n"
+		"   andi  %[core], %[cpuid], 0x3      \n"
+		"   sll   %[core], 8                  \n" /* get core id */
+		"   or    %[base], %[base], %[core]   \n"
+		"   andi  %[node], %[cpuid], 0xc      \n"
+		"   dsll  %[node], 42                 \n" /* get node id */
+		"   or    %[base], %[base], %[node]   \n"
+		"1: li    %[count], 0x100             \n" /* wait for init loop */
+		"2: bnez  %[count], 2b                \n" /* limit mailbox access */
+		"   addiu %[count], -1                \n"
+		"   ld    %[initfunc], 0x20(%[base])  \n" /* get PC via mailbox */
+		"   beqz  %[initfunc], 1b             \n"
+		"   nop                               \n"
+		"   ld    $sp, 0x28(%[base])          \n" /* get SP via mailbox */
+		"   ld    $gp, 0x30(%[base])          \n" /* get GP via mailbox */
+		"   ld    $a1, 0x38(%[base])          \n"
+		"   jr    %[initfunc]                 \n" /* jump to initial PC */
+		"   nop                               \n"
+		"   .set pop                          \n"
+		: [core] "=&r" (core), [node] "=&r" (node),
+		  [base] "=&r" (base), [cpuid] "=&r" (cpuid),
+		  [count] "=&r" (count), [initfunc] "=&r" (initfunc)
+		: /* No Input */
+		: "a1");
+}
+
 static void loongson3b_play_dead(int *state_addr)
 {
 	register int val;
@@ -573,13 +655,18 @@ void play_dead(void)
 	void (*play_dead_at_ckseg1)(int *);
 
 	idle_task_exit();
-	switch (loongson_sysconf.cputype) {
-	case Loongson_3A:
+	switch (read_c0_prid() & PRID_REV_MASK) {
+	case PRID_REV_LOONGSON3A_R1:
 	default:
 		play_dead_at_ckseg1 =
-			(void *)CKSEG1ADDR((unsigned long)loongson3a_play_dead);
+			(void *)CKSEG1ADDR((unsigned long)loongson3a_r1_play_dead);
+		break;
+	case PRID_REV_LOONGSON3A_R2:
+		play_dead_at_ckseg1 =
+			(void *)CKSEG1ADDR((unsigned long)loongson3a_r2_play_dead);
 		break;
-	case Loongson_3B:
+	case PRID_REV_LOONGSON3B_R1:
+	case PRID_REV_LOONGSON3B_R2:
 		play_dead_at_ckseg1 =
 			(void *)CKSEG1ADDR((unsigned long)loongson3b_play_dead);
 		break;
@@ -594,9 +681,9 @@ void loongson3_disable_clock(int cpu)
 	uint64_t core_id = cpu_data[cpu].core;
 	uint64_t package_id = cpu_data[cpu].package;
 
-	if (loongson_sysconf.cputype == Loongson_3A) {
+	if ((read_c0_prid() & PRID_REV_MASK) == PRID_REV_LOONGSON3A_R1) {
 		LOONGSON_CHIPCFG(package_id) &= ~(1 << (12 + core_id));
-	} else if (loongson_sysconf.cputype == Loongson_3B) {
+	} else {
 		if (!(loongson_sysconf.workarounds & WORKAROUND_CPUHOTPLUG))
 			LOONGSON_FREQCTRL(package_id) &= ~(1 << (core_id * 4 + 3));
 	}
@@ -607,9 +694,9 @@ void loongson3_enable_clock(int cpu)
 	uint64_t core_id = cpu_data[cpu].core;
 	uint64_t package_id = cpu_data[cpu].package;
 
-	if (loongson_sysconf.cputype == Loongson_3A) {
+	if ((read_c0_prid() & PRID_REV_MASK) == PRID_REV_LOONGSON3A_R1) {
 		LOONGSON_CHIPCFG(package_id) |= 1 << (12 + core_id);
-	} else if (loongson_sysconf.cputype == Loongson_3B) {
+	} else {
 		if (!(loongson_sysconf.workarounds & WORKAROUND_CPUHOTPLUG))
 			LOONGSON_FREQCTRL(package_id) |= 1 << (core_id * 4 + 3);
 	}
diff --git a/arch/mips/math-emu/Makefile b/arch/mips/math-emu/Makefile
index a19641d3a..e9bbc2a65 100644
--- a/arch/mips/math-emu/Makefile
+++ b/arch/mips/math-emu/Makefile
@@ -4,9 +4,9 @@
 
 obj-y	+= cp1emu.o ieee754dp.o ieee754sp.o ieee754.o \
 	   dp_div.o dp_mul.o dp_sub.o dp_add.o dp_fsp.o dp_cmp.o dp_simple.o \
-	   dp_tint.o dp_fint.o dp_maddf.o dp_msubf.o dp_2008class.o dp_fmin.o dp_fmax.o \
+	   dp_tint.o dp_fint.o dp_maddf.o dp_2008class.o dp_fmin.o dp_fmax.o \
 	   sp_div.o sp_mul.o sp_sub.o sp_add.o sp_fdp.o sp_cmp.o sp_simple.o \
-	   sp_tint.o sp_fint.o sp_maddf.o sp_msubf.o sp_2008class.o sp_fmin.o sp_fmax.o \
+	   sp_tint.o sp_fint.o sp_maddf.o sp_2008class.o sp_fmin.o sp_fmax.o \
 	   dsemul.o
 
 lib-y	+= ieee754d.o \
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 41d3e0e7d..d96e912b9 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -975,9 +975,10 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 		struct mm_decoded_insn dec_insn, void *__user *fault_addr)
 {
 	unsigned long contpc = xcp->cp0_epc + dec_insn.pc_inc;
-	unsigned int cond, cbit;
+	unsigned int cond, cbit, bit0;
 	mips_instruction ir;
 	int likely, pc_inc;
+	union fpureg *fpr;
 	u32 __user *wva;
 	u64 __user *dva;
 	u32 wval;
@@ -1189,14 +1190,14 @@ emul:
 				return SIGILL;
 
 			cond = likely = 0;
+			fpr = &current->thread.fpu.fpr[MIPSInst_RT(ir)];
+			bit0 = get_fpr32(fpr, 0) & 0x1;
 			switch (MIPSInst_RS(ir)) {
 			case bc1eqz_op:
-				if (get_fpr32(&current->thread.fpu.fpr[MIPSInst_RT(ir)], 0) & 0x1)
-				    cond = 1;
+				cond = bit0 == 0;
 				break;
 			case bc1nez_op:
-				if (!(get_fpr32(&current->thread.fpu.fpr[MIPSInst_RT(ir)], 0) & 0x1))
-				    cond = 1;
+				cond = bit0 != 0;
 				break;
 			}
 			goto branch_common;
@@ -1676,7 +1677,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 			union ieee754sp(*b) (union ieee754sp, union ieee754sp);
 			union ieee754sp(*u) (union ieee754sp);
 		} handler;
-		union ieee754sp fs, ft;
+		union ieee754sp fd, fs, ft;
 
 		switch (MIPSInst_FUNC(ir)) {
 			/* binary ops */
@@ -1947,6 +1948,17 @@ copcsr:
 			rfmt = w_fmt;
 			goto copcsr;
 
+		case fsel_op:
+			if (!cpu_has_mips_r6)
+				return SIGILL;
+
+			SPFROMREG(fd, MIPSInst_FD(ir));
+			if (fd.bits & 0x1)
+				SPFROMREG(rv.s, MIPSInst_FT(ir));
+			else
+				SPFROMREG(rv.s, MIPSInst_FS(ir));
+			break;
+
 		case fcvtl_op:
 			if (!cpu_has_mips_3_4_5_64_r2_r6)
 				return SIGILL;
@@ -1995,7 +2007,7 @@ copcsr:
 	}
 
 	case d_fmt: {
-		union ieee754dp fs, ft;
+		union ieee754dp fd, fs, ft;
 		union {
 			union ieee754dp(*b) (union ieee754dp, union ieee754dp);
 			union ieee754dp(*u) (union ieee754dp);
@@ -2245,6 +2257,17 @@ dcopuop:
 			rfmt = w_fmt;
 			goto copcsr;
 
+		case fsel_op:
+			if (!cpu_has_mips_r6)
+				return SIGILL;
+
+			DPFROMREG(fd, MIPSInst_FD(ir));
+			if (fd.bits & 0x1)
+				DPFROMREG(rv.d, MIPSInst_FT(ir));
+			else
+				DPFROMREG(rv.d, MIPSInst_FS(ir));
+			break;
+
 		case fcvtl_op:
 			if (!cpu_has_mips_3_4_5_64_r2_r6)
 				return SIGILL;
diff --git a/arch/mips/math-emu/dp_maddf.c b/arch/mips/math-emu/dp_maddf.c
index 119eda9fa..4a2d03c72 100644
--- a/arch/mips/math-emu/dp_maddf.c
+++ b/arch/mips/math-emu/dp_maddf.c
@@ -14,8 +14,12 @@
 
 #include "ieee754dp.h"
 
-union ieee754dp ieee754dp_maddf(union ieee754dp z, union ieee754dp x,
-				union ieee754dp y)
+enum maddf_flags {
+	maddf_negate_product	= 1 << 0,
+};
+
+static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x,
+				 union ieee754dp y, enum maddf_flags flags)
 {
 	int re;
 	int rs;
@@ -32,16 +36,15 @@ union ieee754dp ieee754dp_maddf(union ieee754dp z, union ieee754dp x,
 
 	COMPXDP;
 	COMPYDP;
-
-	u64 zm; int ze; int zs __maybe_unused; int zc;
+	COMPZDP;
 
 	EXPLODEXDP;
 	EXPLODEYDP;
-	EXPLODEDP(z, zc, zs, ze, zm)
+	EXPLODEZDP;
 
 	FLUSHXDP;
 	FLUSHYDP;
-	FLUSHDP(z, zc, zs, ze, zm);
+	FLUSHZDP;
 
 	ieee754_clearcx();
 
@@ -50,7 +53,7 @@ union ieee754dp ieee754dp_maddf(union ieee754dp z, union ieee754dp x,
 		ieee754_setcx(IEEE754_INVALID_OPERATION);
 		return ieee754dp_nanxcpt(z);
 	case IEEE754_CLASS_DNORM:
-		DPDNORMx(zm, ze);
+		DPDNORMZ;
 	/* QNAN is handled separately below */
 	}
 
@@ -154,13 +157,15 @@ union ieee754dp ieee754dp_maddf(union ieee754dp z, union ieee754dp x,
 
 	re = xe + ye;
 	rs = xs ^ ys;
+	if (flags & maddf_negate_product)
+		rs ^= 1;
 
 	/* shunt to top of word */
 	xm <<= 64 - (DP_FBITS + 1);
 	ym <<= 64 - (DP_FBITS + 1);
 
 	/*
-	 * Multiply 32 bits xm, ym to give high 32 bits rm with stickness.
+	 * Multiply 64 bits xm, ym to give high 64 bits rm with stickness.
 	 */
 
 	/* 32 * 32 => 64 */
@@ -198,7 +203,7 @@ union ieee754dp ieee754dp_maddf(union ieee754dp z, union ieee754dp x,
 	if ((s64) rm < 0) {
 		rm = (rm >> (64 - (DP_FBITS + 1 + 3))) |
 		     ((rm << (DP_FBITS + 1 + 3)) != 0);
-			re++;
+		re++;
 	} else {
 		rm = (rm >> (64 - (DP_FBITS + 1 + 3 + 1))) |
 		     ((rm << (DP_FBITS + 1 + 3 + 1)) != 0);
@@ -263,3 +268,15 @@ union ieee754dp ieee754dp_maddf(union ieee754dp z, union ieee754dp x,
 
 	return ieee754dp_format(zs, ze, zm);
 }
+
+union ieee754dp ieee754dp_maddf(union ieee754dp z, union ieee754dp x,
+				union ieee754dp y)
+{
+	return _dp_maddf(z, x, y, 0);
+}
+
+union ieee754dp ieee754dp_msubf(union ieee754dp z, union ieee754dp x,
+				union ieee754dp y)
+{
+	return _dp_maddf(z, x, y, maddf_negate_product);
+}
diff --git a/arch/mips/math-emu/dp_msubf.c b/arch/mips/math-emu/dp_msubf.c
deleted file mode 100644
index 12241262f..000000000
--- a/arch/mips/math-emu/dp_msubf.c
+++ /dev/null
@@ -1,269 +0,0 @@
-/*
- * IEEE754 floating point arithmetic
- * double precision: MSUB.f (Fused Multiply Subtract)
- * MSUBF.fmt: FPR[fd] = FPR[fd] - (FPR[fs] x FPR[ft])
- *
- * MIPS floating point support
- * Copyright (C) 2015 Imagination Technologies, Ltd.
- * Author: Markos Chandras <markos.chandras@imgtec.com>
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License as published by the
- *  Free Software Foundation; version 2 of the License.
- */
-
-#include "ieee754dp.h"
-
-union ieee754dp ieee754dp_msubf(union ieee754dp z, union ieee754dp x,
-				union ieee754dp y)
-{
-	int re;
-	int rs;
-	u64 rm;
-	unsigned lxm;
-	unsigned hxm;
-	unsigned lym;
-	unsigned hym;
-	u64 lrm;
-	u64 hrm;
-	u64 t;
-	u64 at;
-	int s;
-
-	COMPXDP;
-	COMPYDP;
-
-	u64 zm; int ze; int zs __maybe_unused; int zc;
-
-	EXPLODEXDP;
-	EXPLODEYDP;
-	EXPLODEDP(z, zc, zs, ze, zm)
-
-	FLUSHXDP;
-	FLUSHYDP;
-	FLUSHDP(z, zc, zs, ze, zm);
-
-	ieee754_clearcx();
-
-	switch (zc) {
-	case IEEE754_CLASS_SNAN:
-		ieee754_setcx(IEEE754_INVALID_OPERATION);
-		return ieee754dp_nanxcpt(z);
-	case IEEE754_CLASS_DNORM:
-		DPDNORMx(zm, ze);
-	/* QNAN is handled separately below */
-	}
-
-	switch (CLPAIR(xc, yc)) {
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_SNAN):
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_SNAN):
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_SNAN):
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_SNAN):
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_SNAN):
-		return ieee754dp_nanxcpt(y);
-
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_SNAN):
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_QNAN):
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_ZERO):
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):
-		return ieee754dp_nanxcpt(x);
-
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN):
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN):
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN):
-		return y;
-
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN):
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO):
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM):
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM):
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_INF):
-		return x;
-
-
-	/*
-	 * Infinity handling
-	 */
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO):
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF):
-		if (zc == IEEE754_CLASS_QNAN)
-			return z;
-		ieee754_setcx(IEEE754_INVALID_OPERATION);
-		return ieee754dp_indef();
-
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF):
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_INF):
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_NORM):
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_DNORM):
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF):
-		if (zc == IEEE754_CLASS_QNAN)
-			return z;
-		return ieee754dp_inf(xs ^ ys);
-
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO):
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_NORM):
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_DNORM):
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_ZERO):
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO):
-		if (zc == IEEE754_CLASS_INF)
-			return ieee754dp_inf(zs);
-		/* Multiplication is 0 so just return z */
-		return z;
-
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
-		DPDNORMX;
-
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
-		if (zc == IEEE754_CLASS_QNAN)
-			return z;
-		else if (zc == IEEE754_CLASS_INF)
-			return ieee754dp_inf(zs);
-		DPDNORMY;
-		break;
-
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_NORM):
-		if (zc == IEEE754_CLASS_QNAN)
-			return z;
-		else if (zc == IEEE754_CLASS_INF)
-			return ieee754dp_inf(zs);
-		DPDNORMX;
-		break;
-
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_NORM):
-		if (zc == IEEE754_CLASS_QNAN)
-			return z;
-		else if (zc == IEEE754_CLASS_INF)
-			return ieee754dp_inf(zs);
-		/* fall through to real computations */
-	}
-
-	/* Finally get to do some computation */
-
-	/*
-	 * Do the multiplication bit first
-	 *
-	 * rm = xm * ym, re = xe + ye basically
-	 *
-	 * At this point xm and ym should have been normalized.
-	 */
-	assert(xm & DP_HIDDEN_BIT);
-	assert(ym & DP_HIDDEN_BIT);
-
-	re = xe + ye;
-	rs = xs ^ ys;
-
-	/* shunt to top of word */
-	xm <<= 64 - (DP_FBITS + 1);
-	ym <<= 64 - (DP_FBITS + 1);
-
-	/*
-	 * Multiply 32 bits xm, ym to give high 32 bits rm with stickness.
-	 */
-
-	/* 32 * 32 => 64 */
-#define DPXMULT(x, y)	((u64)(x) * (u64)y)
-
-	lxm = xm;
-	hxm = xm >> 32;
-	lym = ym;
-	hym = ym >> 32;
-
-	lrm = DPXMULT(lxm, lym);
-	hrm = DPXMULT(hxm, hym);
-
-	t = DPXMULT(lxm, hym);
-
-	at = lrm + (t << 32);
-	hrm += at < lrm;
-	lrm = at;
-
-	hrm = hrm + (t >> 32);
-
-	t = DPXMULT(hxm, lym);
-
-	at = lrm + (t << 32);
-	hrm += at < lrm;
-	lrm = at;
-
-	hrm = hrm + (t >> 32);
-
-	rm = hrm | (lrm != 0);
-
-	/*
-	 * Sticky shift down to normal rounding precision.
-	 */
-	if ((s64) rm < 0) {
-		rm = (rm >> (64 - (DP_FBITS + 1 + 3))) |
-		     ((rm << (DP_FBITS + 1 + 3)) != 0);
-			re++;
-	} else {
-		rm = (rm >> (64 - (DP_FBITS + 1 + 3 + 1))) |
-		     ((rm << (DP_FBITS + 1 + 3 + 1)) != 0);
-	}
-	assert(rm & (DP_HIDDEN_BIT << 3));
-
-	/* And now the subtraction */
-
-	/* flip sign of r and handle as add */
-	rs ^= 1;
-
-	assert(zm & DP_HIDDEN_BIT);
-
-	/*
-	 * Provide guard,round and stick bit space.
-	 */
-	zm <<= 3;
-
-	if (ze > re) {
-		/*
-		 * Have to shift y fraction right to align.
-		 */
-		s = ze - re;
-		rm = XDPSRS(rm, s);
-		re += s;
-	} else if (re > ze) {
-		/*
-		 * Have to shift x fraction right to align.
-		 */
-		s = re - ze;
-		zm = XDPSRS(zm, s);
-		ze += s;
-	}
-	assert(ze == re);
-	assert(ze <= DP_EMAX);
-
-	if (zs == rs) {
-		/*
-		 * Generate 28 bit result of adding two 27 bit numbers
-		 * leaving result in xm, xs and xe.
-		 */
-		zm = zm + rm;
-
-		if (zm >> (DP_FBITS + 1 + 3)) { /* carry out */
-			zm = XDPSRS1(zm);
-			ze++;
-		}
-	} else {
-		if (zm >= rm) {
-			zm = zm - rm;
-		} else {
-			zm = rm - zm;
-			zs = rs;
-		}
-		if (zm == 0)
-			return ieee754dp_zero(ieee754_csr.rm == FPU_CSR_RD);
-
-		/*
-		 * Normalize to rounding precision.
-		 */
-		while ((zm >> (DP_FBITS + 3)) == 0) {
-			zm <<= 1;
-			ze--;
-		}
-	}
-
-	return ieee754dp_format(zs, ze, zm);
-}
diff --git a/arch/mips/math-emu/dp_mul.c b/arch/mips/math-emu/dp_mul.c
index d0901f03f..87d0b44b0 100644
--- a/arch/mips/math-emu/dp_mul.c
+++ b/arch/mips/math-emu/dp_mul.c
@@ -125,7 +125,7 @@ union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y)
 	ym <<= 64 - (DP_FBITS + 1);
 
 	/*
-	 * Multiply 32 bits xm, ym to give high 32 bits rm with stickness.
+	 * Multiply 64 bits xm, ym to give high 64 bits rm with stickness.
 	 */
 
 	/* 32 * 32 => 64 */
@@ -163,7 +163,7 @@ union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y)
 	if ((s64) rm < 0) {
 		rm = (rm >> (64 - (DP_FBITS + 1 + 3))) |
 		     ((rm << (DP_FBITS + 1 + 3)) != 0);
-			re++;
+		re++;
 	} else {
 		rm = (rm >> (64 - (DP_FBITS + 1 + 3 + 1))) |
 		     ((rm << (DP_FBITS + 1 + 3 + 1)) != 0);
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index 46b964d2b..47074887e 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -8,7 +8,7 @@
 #include "ieee754.h"
 
 /*
- * Emulate the arbritrary instruction ir at xcp->cp0_epc.  Required when
+ * Emulate the arbitrary instruction ir at xcp->cp0_epc.  Required when
  * we have to emulate the instruction in a COP1 branch delay slot.  Do
  * not change cp0_epc due to the instruction
  *
@@ -60,7 +60,7 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
 			unsigned int rs;
 			s32 v;
 
-			rs = (((insn.mm_a_format.rs + 0x1e) & 0xf) + 2);
+			rs = (((insn.mm_a_format.rs + 0xe) & 0xf) + 2);
 			v = regs->cp0_epc & ~3;
 			v += insn.mm_a_format.simmediate << 2;
 			regs->regs[rs] = (long)v;
@@ -88,7 +88,7 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
 	fr = (struct emuframe __user *)
 		((regs->regs[29] - sizeof(struct emuframe)) & ~0x7);
 
-	/* Verify that the stack pointer is not competely insane */
+	/* Verify that the stack pointer is not completely insane */
 	if (unlikely(!access_ok(VERIFY_WRITE, fr, sizeof(struct emuframe))))
 		return SIGBUS;
 
diff --git a/arch/mips/math-emu/ieee754dp.c b/arch/mips/math-emu/ieee754dp.c
index 47d26c805..465a0342e 100644
--- a/arch/mips/math-emu/ieee754dp.c
+++ b/arch/mips/math-emu/ieee754dp.c
@@ -54,10 +54,13 @@ union ieee754dp __cold ieee754dp_nanxcpt(union ieee754dp r)
 	assert(ieee754dp_issnan(r));
 
 	ieee754_setcx(IEEE754_INVALID_OPERATION);
-	if (ieee754_csr.nan2008)
+	if (ieee754_csr.nan2008) {
 		DPMANT(r) |= DP_MBIT(DP_FBITS - 1);
-	else
-		r = ieee754dp_indef();
+	} else {
+		DPMANT(r) &= ~DP_MBIT(DP_FBITS - 1);
+		if (!ieee754dp_isnan(r))
+			DPMANT(r) |= DP_MBIT(DP_FBITS - 2);
+	}
 
 	return r;
 }
diff --git a/arch/mips/math-emu/ieee754dp.h b/arch/mips/math-emu/ieee754dp.h
index e2babd98f..9ba023004 100644
--- a/arch/mips/math-emu/ieee754dp.h
+++ b/arch/mips/math-emu/ieee754dp.h
@@ -60,6 +60,7 @@ static inline int ieee754dp_finite(union ieee754dp x)
 	while ((m >> DP_FBITS) == 0) { m <<= 1; e--; }
 #define DPDNORMX	DPDNORMx(xm, xe)
 #define DPDNORMY	DPDNORMx(ym, ye)
+#define DPDNORMZ	DPDNORMx(zm, ze)
 
 static inline union ieee754dp builddp(int s, int bx, u64 m)
 {
diff --git a/arch/mips/math-emu/ieee754int.h b/arch/mips/math-emu/ieee754int.h
index ed7bb277b..8bc2f6963 100644
--- a/arch/mips/math-emu/ieee754int.h
+++ b/arch/mips/math-emu/ieee754int.h
@@ -55,6 +55,9 @@ static inline int ieee754_class_nan(int xc)
 #define COMPYSP \
 	unsigned ym; int ye; int ys; int yc
 
+#define COMPZSP \
+	unsigned zm; int ze; int zs; int zc
+
 #define EXPLODESP(v, vc, vs, ve, vm)					\
 {									\
 	vs = SPSIGN(v);							\
@@ -81,6 +84,7 @@ static inline int ieee754_class_nan(int xc)
 }
 #define EXPLODEXSP EXPLODESP(x, xc, xs, xe, xm)
 #define EXPLODEYSP EXPLODESP(y, yc, ys, ye, ym)
+#define EXPLODEZSP EXPLODESP(z, zc, zs, ze, zm)
 
 
 #define COMPXDP \
@@ -89,6 +93,9 @@ static inline int ieee754_class_nan(int xc)
 #define COMPYDP \
 	u64 ym; int ye; int ys; int yc
 
+#define COMPZDP \
+	u64 zm; int ze; int zs; int zc
+
 #define EXPLODEDP(v, vc, vs, ve, vm)					\
 {									\
 	vm = DPMANT(v);							\
@@ -115,6 +122,7 @@ static inline int ieee754_class_nan(int xc)
 }
 #define EXPLODEXDP EXPLODEDP(x, xc, xs, xe, xm)
 #define EXPLODEYDP EXPLODEDP(y, yc, ys, ye, ym)
+#define EXPLODEZDP EXPLODEDP(z, zc, zs, ze, zm)
 
 #define FLUSHDP(v, vc, vs, ve, vm)					\
 	if (vc==IEEE754_CLASS_DNORM) {					\
@@ -140,7 +148,9 @@ static inline int ieee754_class_nan(int xc)
 
 #define FLUSHXDP FLUSHDP(x, xc, xs, xe, xm)
 #define FLUSHYDP FLUSHDP(y, yc, ys, ye, ym)
+#define FLUSHZDP FLUSHDP(z, zc, zs, ze, zm)
 #define FLUSHXSP FLUSHSP(x, xc, xs, xe, xm)
 #define FLUSHYSP FLUSHSP(y, yc, ys, ye, ym)
+#define FLUSHZSP FLUSHSP(z, zc, zs, ze, zm)
 
 #endif /* __IEEE754INT_H  */
diff --git a/arch/mips/math-emu/ieee754sp.c b/arch/mips/math-emu/ieee754sp.c
index e0b2c450b..260e68965 100644
--- a/arch/mips/math-emu/ieee754sp.c
+++ b/arch/mips/math-emu/ieee754sp.c
@@ -54,10 +54,13 @@ union ieee754sp __cold ieee754sp_nanxcpt(union ieee754sp r)
 	assert(ieee754sp_issnan(r));
 
 	ieee754_setcx(IEEE754_INVALID_OPERATION);
-	if (ieee754_csr.nan2008)
+	if (ieee754_csr.nan2008) {
 		SPMANT(r) |= SP_MBIT(SP_FBITS - 1);
-	else
-		r = ieee754sp_indef();
+	} else {
+		SPMANT(r) &= ~SP_MBIT(SP_FBITS - 1);
+		if (!ieee754sp_isnan(r))
+			SPMANT(r) |= SP_MBIT(SP_FBITS - 2);
+	}
 
 	return r;
 }
@@ -138,7 +141,8 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
 		} else {
 			/* sticky right shift es bits
 			 */
-			SPXSRSXn(es);
+			xm = XSPSRS(xm, es);
+			xe += es;
 			assert((xm & (SP_HIDDEN_BIT << 3)) == 0);
 			assert(xe == SP_EMIN);
 		}
diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h
index 374a3f00a..847606707 100644
--- a/arch/mips/math-emu/ieee754sp.h
+++ b/arch/mips/math-emu/ieee754sp.h
@@ -46,25 +46,24 @@ static inline int ieee754sp_finite(union ieee754sp x)
 }
 
 /* 3bit extended single precision sticky right shift */
-#define SPXSRSXn(rs)							\
-	(xe += rs,							\
-	 xm = (rs > (SP_FBITS+3))?1:((xm) >> (rs)) | ((xm) << (32-(rs)) != 0))
+#define XSPSRS(v, rs)						\
+	((rs > (SP_FBITS+3))?1:((v) >> (rs)) | ((v) << (32-(rs)) != 0))
 
-#define SPXSRSX1() \
-	(xe++, (xm = (xm >> 1) | (xm & 1)))
+#define XSPSRS1(m) \
+	((m >> 1) | (m & 1))
 
-#define SPXSRSYn(rs)								\
-	(ye+=rs,								\
-	 ym = (rs > (SP_FBITS+3))?1:((ym) >> (rs)) | ((ym) << (32-(rs)) != 0))
+#define SPXSRSX1() \
+	(xe++, (xm = XSPSRS1(xm)))
 
 #define SPXSRSY1() \
-	(ye++, (ym = (ym >> 1) | (ym & 1)))
+	(ye++, (ym = XSPSRS1(ym)))
 
 /* convert denormal to normalized with extended exponent */
 #define SPDNORMx(m,e) \
 	while ((m >> SP_FBITS) == 0) { m <<= 1; e--; }
 #define SPDNORMX	SPDNORMx(xm, xe)
 #define SPDNORMY	SPDNORMx(ym, ye)
+#define SPDNORMZ	SPDNORMx(zm, ze)
 
 static inline union ieee754sp buildsp(int s, int bx, unsigned m)
 {
diff --git a/arch/mips/math-emu/sp_add.c b/arch/mips/math-emu/sp_add.c
index f1c87b07d..c55c0c00b 100644
--- a/arch/mips/math-emu/sp_add.c
+++ b/arch/mips/math-emu/sp_add.c
@@ -132,13 +132,15 @@ union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y)
 		 * Have to shift y fraction right to align.
 		 */
 		s = xe - ye;
-		SPXSRSYn(s);
+		ym = XSPSRS(ym, s);
+		ye += s;
 	} else if (ye > xe) {
 		/*
 		 * Have to shift x fraction right to align.
 		 */
 		s = ye - xe;
-		SPXSRSXn(s);
+		xm = XSPSRS(xm, s);
+		xe += s;
 	}
 	assert(xe == ye);
 	assert(xe <= SP_EMAX);
diff --git a/arch/mips/math-emu/sp_maddf.c b/arch/mips/math-emu/sp_maddf.c
index dd1dd83e3..a8cd8b4f2 100644
--- a/arch/mips/math-emu/sp_maddf.c
+++ b/arch/mips/math-emu/sp_maddf.c
@@ -14,8 +14,12 @@
 
 #include "ieee754sp.h"
 
-union ieee754sp ieee754sp_maddf(union ieee754sp z, union ieee754sp x,
-				union ieee754sp y)
+enum maddf_flags {
+	maddf_negate_product	= 1 << 0,
+};
+
+static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x,
+				 union ieee754sp y, enum maddf_flags flags)
 {
 	int re;
 	int rs;
@@ -32,15 +36,15 @@ union ieee754sp ieee754sp_maddf(union ieee754sp z, union ieee754sp x,
 
 	COMPXSP;
 	COMPYSP;
-	u32 zm; int ze; int zs __maybe_unused; int zc;
+	COMPZSP;
 
 	EXPLODEXSP;
 	EXPLODEYSP;
-	EXPLODESP(z, zc, zs, ze, zm)
+	EXPLODEZSP;
 
 	FLUSHXSP;
 	FLUSHYSP;
-	FLUSHSP(z, zc, zs, ze, zm);
+	FLUSHZSP;
 
 	ieee754_clearcx();
 
@@ -49,7 +53,7 @@ union ieee754sp ieee754sp_maddf(union ieee754sp z, union ieee754sp x,
 		ieee754_setcx(IEEE754_INVALID_OPERATION);
 		return ieee754sp_nanxcpt(z);
 	case IEEE754_CLASS_DNORM:
-		SPDNORMx(zm, ze);
+		SPDNORMZ;
 	/* QNAN is handled separately below */
 	}
 
@@ -154,6 +158,8 @@ union ieee754sp ieee754sp_maddf(union ieee754sp z, union ieee754sp x,
 
 	re = xe + ye;
 	rs = xs ^ ys;
+	if (flags & maddf_negate_product)
+		rs ^= 1;
 
 	/* shunt to top of word */
 	xm <<= 32 - (SP_FBITS + 1);
@@ -208,16 +214,18 @@ union ieee754sp ieee754sp_maddf(union ieee754sp z, union ieee754sp x,
 
 	if (ze > re) {
 		/*
-		 * Have to shift y fraction right to align.
+		 * Have to shift r fraction right to align.
 		 */
 		s = ze - re;
-		SPXSRSYn(s);
+		rm = XSPSRS(rm, s);
+		re += s;
 	} else if (re > ze) {
 		/*
-		 * Have to shift x fraction right to align.
+		 * Have to shift z fraction right to align.
 		 */
 		s = re - ze;
-		SPXSRSYn(s);
+		zm = XSPSRS(zm, s);
+		ze += s;
 	}
 	assert(ze == re);
 	assert(ze <= SP_EMAX);
@@ -230,7 +238,8 @@ union ieee754sp ieee754sp_maddf(union ieee754sp z, union ieee754sp x,
 		zm = zm + rm;
 
 		if (zm >> (SP_FBITS + 1 + 3)) { /* carry out */
-			SPXSRSX1();
+			zm = XSPSRS1(zm);
+			ze++;
 		}
 	} else {
 		if (zm >= rm) {
@@ -253,3 +262,15 @@ union ieee754sp ieee754sp_maddf(union ieee754sp z, union ieee754sp x,
 	}
 	return ieee754sp_format(zs, ze, zm);
 }
+
+union ieee754sp ieee754sp_maddf(union ieee754sp z, union ieee754sp x,
+				union ieee754sp y)
+{
+	return _sp_maddf(z, x, y, 0);
+}
+
+union ieee754sp ieee754sp_msubf(union ieee754sp z, union ieee754sp x,
+				union ieee754sp y)
+{
+	return _sp_maddf(z, x, y, maddf_negate_product);
+}
diff --git a/arch/mips/math-emu/sp_msubf.c b/arch/mips/math-emu/sp_msubf.c
deleted file mode 100644
index 81c38b980..000000000
--- a/arch/mips/math-emu/sp_msubf.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * IEEE754 floating point arithmetic
- * single precision: MSUB.f (Fused Multiply Subtract)
- * MSUBF.fmt: FPR[fd] = FPR[fd] - (FPR[fs] x FPR[ft])
- *
- * MIPS floating point support
- * Copyright (C) 2015 Imagination Technologies, Ltd.
- * Author: Markos Chandras <markos.chandras@imgtec.com>
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License as published by the
- *  Free Software Foundation; version 2 of the License.
- */
-
-#include "ieee754sp.h"
-
-union ieee754sp ieee754sp_msubf(union ieee754sp z, union ieee754sp x,
-				union ieee754sp y)
-{
-	int re;
-	int rs;
-	unsigned rm;
-	unsigned short lxm;
-	unsigned short hxm;
-	unsigned short lym;
-	unsigned short hym;
-	unsigned lrm;
-	unsigned hrm;
-	unsigned t;
-	unsigned at;
-	int s;
-
-	COMPXSP;
-	COMPYSP;
-	u32 zm; int ze; int zs __maybe_unused; int zc;
-
-	EXPLODEXSP;
-	EXPLODEYSP;
-	EXPLODESP(z, zc, zs, ze, zm)
-
-	FLUSHXSP;
-	FLUSHYSP;
-	FLUSHSP(z, zc, zs, ze, zm);
-
-	ieee754_clearcx();
-
-	switch (zc) {
-	case IEEE754_CLASS_SNAN:
-		ieee754_setcx(IEEE754_INVALID_OPERATION);
-		return ieee754sp_nanxcpt(z);
-	case IEEE754_CLASS_DNORM:
-		SPDNORMx(zm, ze);
-	/* QNAN is handled separately below */
-	}
-
-	switch (CLPAIR(xc, yc)) {
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_SNAN):
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_SNAN):
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_SNAN):
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_SNAN):
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_SNAN):
-		return ieee754sp_nanxcpt(y);
-
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_SNAN):
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_QNAN):
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_ZERO):
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):
-	case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):
-		return ieee754sp_nanxcpt(x);
-
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN):
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_QNAN):
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_QNAN):
-		return y;
-
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_QNAN):
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_ZERO):
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_NORM):
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_DNORM):
-	case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_INF):
-		return x;
-
-	/*
-	 * Infinity handling
-	 */
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO):
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF):
-		if (zc == IEEE754_CLASS_QNAN)
-			return z;
-		ieee754_setcx(IEEE754_INVALID_OPERATION);
-		return ieee754sp_indef();
-
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF):
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_INF):
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_NORM):
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_DNORM):
-	case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF):
-		if (zc == IEEE754_CLASS_QNAN)
-			return z;
-		return ieee754sp_inf(xs ^ ys);
-
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO):
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_NORM):
-	case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_DNORM):
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_ZERO):
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO):
-		if (zc == IEEE754_CLASS_INF)
-			return ieee754sp_inf(zs);
-		/* Multiplication is 0 so just return z */
-		return z;
-
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
-		SPDNORMX;
-
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
-		if (zc == IEEE754_CLASS_QNAN)
-			return z;
-		else if (zc == IEEE754_CLASS_INF)
-			return ieee754sp_inf(zs);
-		SPDNORMY;
-		break;
-
-	case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_NORM):
-		if (zc == IEEE754_CLASS_QNAN)
-			return z;
-		else if (zc == IEEE754_CLASS_INF)
-			return ieee754sp_inf(zs);
-		SPDNORMX;
-		break;
-
-	case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_NORM):
-		if (zc == IEEE754_CLASS_QNAN)
-			return z;
-		else if (zc == IEEE754_CLASS_INF)
-			return ieee754sp_inf(zs);
-		/* fall through to real compuation */
-	}
-
-	/* Finally get to do some computation */
-
-	/*
-	 * Do the multiplication bit first
-	 *
-	 * rm = xm * ym, re = xe + ye basically
-	 *
-	 * At this point xm and ym should have been normalized.
-	 */
-
-	/* rm = xm * ym, re = xe+ye basically */
-	assert(xm & SP_HIDDEN_BIT);
-	assert(ym & SP_HIDDEN_BIT);
-
-	re = xe + ye;
-	rs = xs ^ ys;
-
-	/* shunt to top of word */
-	xm <<= 32 - (SP_FBITS + 1);
-	ym <<= 32 - (SP_FBITS + 1);
-
-	/*
-	 * Multiply 32 bits xm, ym to give high 32 bits rm with stickness.
-	 */
-	lxm = xm & 0xffff;
-	hxm = xm >> 16;
-	lym = ym & 0xffff;
-	hym = ym >> 16;
-
-	lrm = lxm * lym;	/* 16 * 16 => 32 */
-	hrm = hxm * hym;	/* 16 * 16 => 32 */
-
-	t = lxm * hym; /* 16 * 16 => 32 */
-	at = lrm + (t << 16);
-	hrm += at < lrm;
-	lrm = at;
-	hrm = hrm + (t >> 16);
-
-	t = hxm * lym; /* 16 * 16 => 32 */
-	at = lrm + (t << 16);
-	hrm += at < lrm;
-	lrm = at;
-	hrm = hrm + (t >> 16);
-
-	rm = hrm | (lrm != 0);
-
-	/*
-	 * Sticky shift down to normal rounding precision.
-	 */
-	if ((int) rm < 0) {
-		rm = (rm >> (32 - (SP_FBITS + 1 + 3))) |
-		    ((rm << (SP_FBITS + 1 + 3)) != 0);
-		re++;
-	} else {
-		rm = (rm >> (32 - (SP_FBITS + 1 + 3 + 1))) |
-		     ((rm << (SP_FBITS + 1 + 3 + 1)) != 0);
-	}
-	assert(rm & (SP_HIDDEN_BIT << 3));
-
-	/* And now the subtraction */
-
-	/* Flip sign of r and handle as add */
-	rs ^= 1;
-
-	assert(zm & SP_HIDDEN_BIT);
-
-	/*
-	 * Provide guard,round and stick bit space.
-	 */
-	zm <<= 3;
-
-	if (ze > re) {
-		/*
-		 * Have to shift y fraction right to align.
-		 */
-		s = ze - re;
-		SPXSRSYn(s);
-	} else if (re > ze) {
-		/*
-		 * Have to shift x fraction right to align.
-		 */
-		s = re - ze;
-		SPXSRSYn(s);
-	}
-	assert(ze == re);
-	assert(ze <= SP_EMAX);
-
-	if (zs == rs) {
-		/*
-		 * Generate 28 bit result of adding two 27 bit numbers
-		 * leaving result in zm, zs and ze.
-		 */
-		zm = zm + rm;
-
-		if (zm >> (SP_FBITS + 1 + 3)) { /* carry out */
-			SPXSRSX1(); /* shift preserving sticky */
-		}
-	} else {
-		if (zm >= rm) {
-			zm = zm - rm;
-		} else {
-			zm = rm - zm;
-			zs = rs;
-		}
-		if (zm == 0)
-			return ieee754sp_zero(ieee754_csr.rm == FPU_CSR_RD);
-
-		/*
-		 * Normalize in extended single precision
-		 */
-		while ((zm >> (SP_MBITS + 3)) == 0) {
-			zm <<= 1;
-			ze--;
-		}
-
-	}
-	return ieee754sp_format(zs, ze, zm);
-}
diff --git a/arch/mips/math-emu/sp_sub.c b/arch/mips/math-emu/sp_sub.c
index ec5f937a8..dc998ed47 100644
--- a/arch/mips/math-emu/sp_sub.c
+++ b/arch/mips/math-emu/sp_sub.c
@@ -134,13 +134,15 @@ union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y)
 		 * have to shift y fraction right to align
 		 */
 		s = xe - ye;
-		SPXSRSYn(s);
+		ym = XSPSRS(ym, s);
+		ye += s;
 	} else if (ye > xe) {
 		/*
 		 * have to shift x fraction right to align
 		 */
 		s = ye - xe;
-		SPXSRSXn(s);
+		xm = XSPSRS(xm, s);
+		xe += s;
 	}
 	assert(xe == ye);
 	assert(xe <= SP_EMAX);
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index caac3d747..ef7f925dd 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -77,6 +77,7 @@ static inline void r4k_on_each_cpu(void (*func) (void *info), void *info)
  */
 static unsigned long icache_size __read_mostly;
 static unsigned long dcache_size __read_mostly;
+static unsigned long vcache_size __read_mostly;
 static unsigned long scache_size __read_mostly;
 
 /*
@@ -447,6 +448,11 @@ static inline void local_r4k___flush_cache_all(void * args)
 		r4k_blast_scache();
 		break;
 
+	case CPU_BMIPS5000:
+		r4k_blast_scache();
+		__sync();
+		break;
+
 	default:
 		r4k_blast_dcache();
 		r4k_blast_icache();
@@ -492,7 +498,14 @@ static inline void local_r4k_flush_cache_range(void * args)
 	if (!(has_valid_asid(vma->vm_mm)))
 		return;
 
-	r4k_blast_dcache();
+	/*
+	 * If dcache can alias, we must blast it since mapping is changing.
+	 * If executable, we must ensure any dirty lines are written back far
+	 * enough to be visible to icache.
+	 */
+	if (cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc))
+		r4k_blast_dcache();
+	/* If executable, blast stale lines from icache */
 	if (exec)
 		r4k_blast_icache();
 }
@@ -502,7 +515,7 @@ static void r4k_flush_cache_range(struct vm_area_struct *vma,
 {
 	int exec = vma->vm_flags & VM_EXEC;
 
-	if (cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc))
+	if (cpu_has_dc_aliases || exec)
 		r4k_on_each_cpu(local_r4k_flush_cache_range, vma);
 }
 
@@ -1148,6 +1161,8 @@ static void probe_pcache(void)
 					  c->dcache.ways *
 					  c->dcache.linesz;
 		c->dcache.waybit = 0;
+		if ((prid & PRID_REV_MASK) >= PRID_REV_LOONGSON3A_R2)
+			c->options |= MIPS_CPU_PREFETCH;
 		break;
 
 	case CPU_CAVIUM_OCTEON3:
@@ -1278,6 +1293,8 @@ static void probe_pcache(void)
 	case CPU_M5150:
 	case CPU_QEMU_GENERIC:
 	case CPU_I6400:
+	case CPU_P6600:
+	case CPU_M6250:
 		if (!(read_c0_config7() & MIPS_CONF7_IAR) &&
 		    (c->icache.waysize > PAGE_SIZE))
 			c->icache.flags |= MIPS_CACHE_ALIASES;
@@ -1304,7 +1321,14 @@ static void probe_pcache(void)
 		break;
 
 	case CPU_ALCHEMY:
+	case CPU_I6400:
+		c->icache.flags |= MIPS_CACHE_IC_F_DC;
+		break;
+
+	case CPU_BMIPS5000:
 		c->icache.flags |= MIPS_CACHE_IC_F_DC;
+		/* Cache aliases are handled in hardware; allow HIGHMEM */
+		c->dcache.flags &= ~MIPS_CACHE_ALIASES;
 		break;
 
 	case CPU_LOONGSON2:
@@ -1328,6 +1352,31 @@ static void probe_pcache(void)
 	       c->dcache.linesz);
 }
 
+static void probe_vcache(void)
+{
+	struct cpuinfo_mips *c = &current_cpu_data;
+	unsigned int config2, lsize;
+
+	if (current_cpu_type() != CPU_LOONGSON3)
+		return;
+
+	config2 = read_c0_config2();
+	if ((lsize = ((config2 >> 20) & 15)))
+		c->vcache.linesz = 2 << lsize;
+	else
+		c->vcache.linesz = lsize;
+
+	c->vcache.sets = 64 << ((config2 >> 24) & 15);
+	c->vcache.ways = 1 + ((config2 >> 16) & 15);
+
+	vcache_size = c->vcache.sets * c->vcache.ways * c->vcache.linesz;
+
+	c->vcache.waybit = 0;
+
+	pr_info("Unified victim cache %ldkB %s, linesize %d bytes.\n",
+		vcache_size >> 10, way_string[c->vcache.ways], c->vcache.linesz);
+}
+
 /*
  * If you even _breathe_ on this function, look at the gcc output and make sure
  * it does not pop things on and off the stack for the cache sizing loop that
@@ -1650,6 +1699,7 @@ void r4k_cache_init(void)
 	struct cpuinfo_mips *c = &current_cpu_data;
 
 	probe_pcache();
+	probe_vcache();
 	setup_scache();
 
 	r4k_blast_dcache_page_setup();
@@ -1671,7 +1721,7 @@ void r4k_cache_init(void)
 	 * This code supports virtually indexed processors and will be
 	 * unnecessarily inefficient on physically indexed processors.
 	 */
-	if (c->dcache.linesz)
+	if (c->dcache.linesz && cpu_has_dc_aliases)
 		shm_align_mask = max_t( unsigned long,
 					c->dcache.sets * c->dcache.linesz - 1,
 					PAGE_SIZE - 1);
@@ -1744,12 +1794,24 @@ void r4k_cache_init(void)
 		flush_icache_range = (void *)b5k_instruction_hazard;
 		local_flush_icache_range = (void *)b5k_instruction_hazard;
 
-		/* Cache aliases are handled in hardware; allow HIGHMEM */
-		current_cpu_data.dcache.flags &= ~MIPS_CACHE_ALIASES;
 
 		/* Optimization: an L2 flush implicitly flushes the L1 */
 		current_cpu_data.options |= MIPS_CPU_INCLUSIVE_CACHES;
 		break;
+	case CPU_LOONGSON3:
+		/* Loongson-3 maintains cache coherency by hardware */
+		__flush_cache_all	= cache_noop;
+		__flush_cache_vmap	= cache_noop;
+		__flush_cache_vunmap	= cache_noop;
+		__flush_kernel_vmap_range = (void *)cache_noop;
+		flush_cache_mm		= (void *)cache_noop;
+		flush_cache_page	= (void *)cache_noop;
+		flush_cache_range	= (void *)cache_noop;
+		flush_cache_sigtramp	= (void *)cache_noop;
+		flush_icache_all	= (void *)cache_noop;
+		flush_data_cache_page	= (void *)cache_noop;
+		local_flush_data_cache_page	= (void *)cache_noop;
+		break;
 	}
 }
 
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index 730d394ce..cb557d28c 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -88,19 +88,20 @@ static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp)
 	else
 #endif
 #if defined(CONFIG_ZONE_DMA32) && defined(CONFIG_ZONE_DMA)
-	     if (dev->coherent_dma_mask < DMA_BIT_MASK(32))
+	     if (dev == NULL || dev->coherent_dma_mask < DMA_BIT_MASK(32))
 			dma_flag = __GFP_DMA;
 	else if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
 			dma_flag = __GFP_DMA32;
 	else
 #endif
 #if defined(CONFIG_ZONE_DMA32) && !defined(CONFIG_ZONE_DMA)
-	     if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+	     if (dev == NULL || dev->coherent_dma_mask < DMA_BIT_MASK(64))
 		dma_flag = __GFP_DMA32;
 	else
 #endif
 #if defined(CONFIG_ZONE_DMA) && !defined(CONFIG_ZONE_DMA32)
-	     if (dev->coherent_dma_mask < DMA_BIT_MASK(sizeof(phys_addr_t) * 8))
+	     if (dev == NULL ||
+		 dev->coherent_dma_mask < DMA_BIT_MASK(sizeof(phys_addr_t) * 8))
 		dma_flag = __GFP_DMA;
 	else
 #endif
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 7e5fa0938..9b58eb5fd 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -98,8 +98,10 @@ static void *__kmap_pgprot(struct page *page, unsigned long addr, pgprot_t prot)
 	idx += in_interrupt() ? FIX_N_COLOURS : 0;
 	vaddr = __fix_to_virt(FIX_CMAP_END - idx);
 	pte = mk_pte(page, prot);
-#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
+#if defined(CONFIG_XPA)
 	entrylo = pte_to_entrylo(pte.pte_high);
+#elif defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
+	entrylo = pte.pte_high;
 #else
 	entrylo = pte_to_entrylo(pte_val(pte));
 #endif
@@ -110,9 +112,11 @@ static void *__kmap_pgprot(struct page *page, unsigned long addr, pgprot_t prot)
 	write_c0_entrylo0(entrylo);
 	write_c0_entrylo1(entrylo);
 #ifdef CONFIG_XPA
-	entrylo = (pte.pte_low & _PFNX_MASK);
-	writex_c0_entrylo0(entrylo);
-	writex_c0_entrylo1(entrylo);
+	if (cpu_has_xpa) {
+		entrylo = (pte.pte_low & _PFNX_MASK);
+		writex_c0_entrylo0(entrylo);
+		writex_c0_entrylo1(entrylo);
+	}
 #endif
 	tlbidx = read_c0_wired();
 	write_c0_wired(tlbidx + 1);
@@ -196,7 +200,7 @@ void copy_to_user_page(struct vm_area_struct *vma,
 		if (cpu_has_dc_aliases)
 			SetPageDcacheDirty(page);
 	}
-	if ((vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc)
+	if (vma->vm_flags & VM_EXEC)
 		flush_cache_page(vma, vaddr, page_to_pfn(page));
 }
 
diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c
index 885d73ffd..c41953ca6 100644
--- a/arch/mips/mm/page.c
+++ b/arch/mips/mm/page.c
@@ -188,6 +188,15 @@ static void set_prefetch_parameters(void)
 			}
 			break;
 
+		case CPU_LOONGSON3:
+			/* Loongson-3 only support the Pref_Load/Pref_Store. */
+			pref_bias_clear_store = 128;
+			pref_bias_copy_load = 128;
+			pref_bias_copy_store = 128;
+			pref_src_mode = Pref_Load;
+			pref_dst_mode = Pref_Store;
+			break;
+
 		default:
 			pref_bias_clear_store = 128;
 			pref_bias_copy_load = 256;
diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c
index 91dec32c7..286a4d5a1 100644
--- a/arch/mips/mm/sc-mips.c
+++ b/arch/mips/mm/sc-mips.c
@@ -141,6 +141,7 @@ static inline int mips_sc_is_activated(struct cpuinfo_mips *c)
 	case CPU_P5600:
 	case CPU_BMIPS5000:
 	case CPU_QEMU_GENERIC:
+	case CPU_P6600:
 		if (config2 & (1 << 12))
 			return 0;
 	}
diff --git a/arch/mips/mm/tlb-r3k.c b/arch/mips/mm/tlb-r3k.c
index b4f366f7c..1290b9956 100644
--- a/arch/mips/mm/tlb-r3k.c
+++ b/arch/mips/mm/tlb-r3k.c
@@ -43,7 +43,7 @@ static void local_flush_tlb_from(int entry)
 {
 	unsigned long old_ctx;
 
-	old_ctx = read_c0_entryhi() & ASID_MASK;
+	old_ctx = read_c0_entryhi() & cpu_asid_mask(&current_cpu_data);
 	write_c0_entrylo0(0);
 	while (entry < current_cpu_data.tlbsize) {
 		write_c0_index(entry << 8);
@@ -81,6 +81,7 @@ void local_flush_tlb_mm(struct mm_struct *mm)
 void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
 			   unsigned long end)
 {
+	unsigned long asid_mask = cpu_asid_mask(&current_cpu_data);
 	struct mm_struct *mm = vma->vm_mm;
 	int cpu = smp_processor_id();
 
@@ -89,13 +90,13 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
 
 #ifdef DEBUG_TLB
 		printk("[tlbrange<%lu,0x%08lx,0x%08lx>]",
-			cpu_context(cpu, mm) & ASID_MASK, start, end);
+			cpu_context(cpu, mm) & asid_mask, start, end);
 #endif
 		local_irq_save(flags);
 		size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
 		if (size <= current_cpu_data.tlbsize) {
-			int oldpid = read_c0_entryhi() & ASID_MASK;
-			int newpid = cpu_context(cpu, mm) & ASID_MASK;
+			int oldpid = read_c0_entryhi() & asid_mask;
+			int newpid = cpu_context(cpu, mm) & asid_mask;
 
 			start &= PAGE_MASK;
 			end += PAGE_SIZE - 1;
@@ -159,6 +160,7 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
 
 void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
 {
+	unsigned long asid_mask = cpu_asid_mask(&current_cpu_data);
 	int cpu = smp_processor_id();
 
 	if (cpu_context(cpu, vma->vm_mm) != 0) {
@@ -168,10 +170,10 @@ void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
 #ifdef DEBUG_TLB
 		printk("[tlbpage<%lu,0x%08lx>]", cpu_context(cpu, vma->vm_mm), page);
 #endif
-		newpid = cpu_context(cpu, vma->vm_mm) & ASID_MASK;
+		newpid = cpu_context(cpu, vma->vm_mm) & asid_mask;
 		page &= PAGE_MASK;
 		local_irq_save(flags);
-		oldpid = read_c0_entryhi() & ASID_MASK;
+		oldpid = read_c0_entryhi() & asid_mask;
 		write_c0_entryhi(page | newpid);
 		BARRIER;
 		tlb_probe();
@@ -190,6 +192,7 @@ finish:
 
 void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
 {
+	unsigned long asid_mask = cpu_asid_mask(&current_cpu_data);
 	unsigned long flags;
 	int idx, pid;
 
@@ -199,10 +202,10 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
 	if (current->active_mm != vma->vm_mm)
 		return;
 
-	pid = read_c0_entryhi() & ASID_MASK;
+	pid = read_c0_entryhi() & asid_mask;
 
 #ifdef DEBUG_TLB
-	if ((pid != (cpu_context(cpu, vma->vm_mm) & ASID_MASK)) || (cpu_context(cpu, vma->vm_mm) == 0)) {
+	if ((pid != (cpu_context(cpu, vma->vm_mm) & asid_mask)) || (cpu_context(cpu, vma->vm_mm) == 0)) {
 		printk("update_mmu_cache: Wheee, bogus tlbpid mmpid=%lu tlbpid=%d\n",
 		       (cpu_context(cpu, vma->vm_mm)), pid);
 	}
@@ -228,6 +231,7 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
 void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
 		     unsigned long entryhi, unsigned long pagemask)
 {
+	unsigned long asid_mask = cpu_asid_mask(&current_cpu_data);
 	unsigned long flags;
 	unsigned long old_ctx;
 	static unsigned long wired = 0;
@@ -243,7 +247,7 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
 
 		local_irq_save(flags);
 		/* Save old context and create impossible VPN2 value */
-		old_ctx = read_c0_entryhi() & ASID_MASK;
+		old_ctx = read_c0_entryhi() & asid_mask;
 		old_pagemask = read_c0_pagemask();
 		w = read_c0_wired();
 		write_c0_wired(w + 1);
@@ -266,7 +270,7 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
 #endif
 
 		local_irq_save(flags);
-		old_ctx = read_c0_entryhi() & ASID_MASK;
+		old_ctx = read_c0_entryhi() & asid_mask;
 		write_c0_entrylo0(entrylo0);
 		write_c0_entryhi(entryhi);
 		write_c0_index(wired);
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index c17d7627f..e8b335c16 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -28,25 +28,28 @@
 extern void build_tlb_refill_handler(void);
 
 /*
- * LOONGSON2/3 has a 4 entry itlb which is a subset of dtlb,
- * unfortunately, itlb is not totally transparent to software.
+ * LOONGSON-2 has a 4 entry itlb which is a subset of jtlb, LOONGSON-3 has
+ * a 4 entry itlb and a 4 entry dtlb which are subsets of jtlb. Unfortunately,
+ * itlb/dtlb are not totally transparent to software.
  */
-static inline void flush_itlb(void)
+static inline void flush_micro_tlb(void)
 {
 	switch (current_cpu_type()) {
 	case CPU_LOONGSON2:
+		write_c0_diag(LOONGSON_DIAG_ITLB);
+		break;
 	case CPU_LOONGSON3:
-		write_c0_diag(4);
+		write_c0_diag(LOONGSON_DIAG_ITLB | LOONGSON_DIAG_DTLB);
 		break;
 	default:
 		break;
 	}
 }
 
-static inline void flush_itlb_vm(struct vm_area_struct *vma)
+static inline void flush_micro_tlb_vm(struct vm_area_struct *vma)
 {
 	if (vma->vm_flags & VM_EXEC)
-		flush_itlb();
+		flush_micro_tlb();
 }
 
 void local_flush_tlb_all(void)
@@ -93,7 +96,7 @@ void local_flush_tlb_all(void)
 	tlbw_use_hazard();
 	write_c0_entryhi(old_ctx);
 	htw_start();
-	flush_itlb();
+	flush_micro_tlb();
 	local_irq_restore(flags);
 }
 EXPORT_SYMBOL(local_flush_tlb_all);
@@ -159,7 +162,7 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
 		} else {
 			drop_mmu_context(mm, cpu);
 		}
-		flush_itlb();
+		flush_micro_tlb();
 		local_irq_restore(flags);
 	}
 }
@@ -205,7 +208,7 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
 	} else {
 		local_flush_tlb_all();
 	}
-	flush_itlb();
+	flush_micro_tlb();
 	local_irq_restore(flags);
 }
 
@@ -240,7 +243,7 @@ void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
 	finish:
 		write_c0_entryhi(oldpid);
 		htw_start();
-		flush_itlb_vm(vma);
+		flush_micro_tlb_vm(vma);
 		local_irq_restore(flags);
 	}
 }
@@ -274,7 +277,7 @@ void local_flush_tlb_one(unsigned long page)
 	}
 	write_c0_entryhi(oldpid);
 	htw_start();
-	flush_itlb();
+	flush_micro_tlb();
 	local_irq_restore(flags);
 }
 
@@ -301,7 +304,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
 	local_irq_save(flags);
 
 	htw_stop();
-	pid = read_c0_entryhi() & ASID_MASK;
+	pid = read_c0_entryhi() & cpu_asid_mask(&current_cpu_data);
 	address &= (PAGE_MASK << 1);
 	write_c0_entryhi(address | pid);
 	pgdp = pgd_offset(vma->vm_mm, address);
@@ -336,10 +339,12 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
 #if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
 #ifdef CONFIG_XPA
 		write_c0_entrylo0(pte_to_entrylo(ptep->pte_high));
-		writex_c0_entrylo0(ptep->pte_low & _PFNX_MASK);
+		if (cpu_has_xpa)
+			writex_c0_entrylo0(ptep->pte_low & _PFNX_MASK);
 		ptep++;
 		write_c0_entrylo1(pte_to_entrylo(ptep->pte_high));
-		writex_c0_entrylo1(ptep->pte_low & _PFNX_MASK);
+		if (cpu_has_xpa)
+			writex_c0_entrylo1(ptep->pte_low & _PFNX_MASK);
 #else
 		write_c0_entrylo0(ptep->pte_high);
 		ptep++;
@@ -357,7 +362,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
 	}
 	tlbw_use_hazard();
 	htw_start();
-	flush_itlb_vm(vma);
+	flush_micro_tlb_vm(vma);
 	local_irq_restore(flags);
 }
 
@@ -400,19 +405,20 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 
-int __init has_transparent_hugepage(void)
+int has_transparent_hugepage(void)
 {
-	unsigned int mask;
-	unsigned long flags;
+	static unsigned int mask = -1;
 
-	local_irq_save(flags);
-	write_c0_pagemask(PM_HUGE_MASK);
-	back_to_back_c0_hazard();
-	mask = read_c0_pagemask();
-	write_c0_pagemask(PM_DEFAULT_MASK);
-
-	local_irq_restore(flags);
+	if (mask == -1) {	/* first call comes during __init */
+		unsigned long flags;
 
+		local_irq_save(flags);
+		write_c0_pagemask(PM_HUGE_MASK);
+		back_to_back_c0_hazard();
+		mask = read_c0_pagemask();
+		write_c0_pagemask(PM_DEFAULT_MASK);
+		local_irq_restore(flags);
+	}
 	return mask == PM_HUGE_MASK;
 }
 
diff --git a/arch/mips/mm/tlb-r8k.c b/arch/mips/mm/tlb-r8k.c
index 138a2ec7c..e86e2e55a 100644
--- a/arch/mips/mm/tlb-r8k.c
+++ b/arch/mips/mm/tlb-r8k.c
@@ -194,7 +194,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
 	if (current->active_mm != vma->vm_mm)
 		return;
 
-	pid = read_c0_entryhi() & ASID_MASK;
+	pid = read_c0_entryhi() & cpu_asid_mask(&current_cpu_data);
 
 	local_irq_save(flags);
 	address &= PAGE_MASK;
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 84c6e3fda..4004b659c 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -234,20 +234,16 @@ static void output_pgtable_bits_defines(void)
 	pr_debug("\n");
 
 	pr_define("_PAGE_PRESENT_SHIFT %d\n", _PAGE_PRESENT_SHIFT);
-	pr_define("_PAGE_READ_SHIFT %d\n", _PAGE_READ_SHIFT);
+	pr_define("_PAGE_NO_READ_SHIFT %d\n", _PAGE_NO_READ_SHIFT);
 	pr_define("_PAGE_WRITE_SHIFT %d\n", _PAGE_WRITE_SHIFT);
 	pr_define("_PAGE_ACCESSED_SHIFT %d\n", _PAGE_ACCESSED_SHIFT);
 	pr_define("_PAGE_MODIFIED_SHIFT %d\n", _PAGE_MODIFIED_SHIFT);
 #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
 	pr_define("_PAGE_HUGE_SHIFT %d\n", _PAGE_HUGE_SHIFT);
 #endif
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
-	if (cpu_has_rixi) {
 #ifdef _PAGE_NO_EXEC_SHIFT
+	if (cpu_has_rixi)
 		pr_define("_PAGE_NO_EXEC_SHIFT %d\n", _PAGE_NO_EXEC_SHIFT);
-		pr_define("_PAGE_NO_READ_SHIFT %d\n", _PAGE_NO_READ_SHIFT);
-#endif
-	}
 #endif
 	pr_define("_PAGE_GLOBAL_SHIFT %d\n", _PAGE_GLOBAL_SHIFT);
 	pr_define("_PAGE_VALID_SHIFT %d\n", _PAGE_VALID_SHIFT);
@@ -284,7 +280,12 @@ static inline void dump_handler(const char *symbol, const u32 *handler, int coun
 #define C0_ENTRYLO1	3, 0
 #define C0_CONTEXT	4, 0
 #define C0_PAGEMASK	5, 0
+#define C0_PWBASE	5, 5
+#define C0_PWFIELD	5, 6
+#define C0_PWSIZE	5, 7
+#define C0_PWCTL	6, 6
 #define C0_BADVADDR	8, 0
+#define C0_PGD		9, 7
 #define C0_ENTRYHI	10, 0
 #define C0_EPC		14, 0
 #define C0_XCONTEXT	20, 0
@@ -630,6 +631,11 @@ static void build_tlb_write_entry(u32 **p, struct uasm_label **l,
 static __maybe_unused void build_convert_pte_to_entrylo(u32 **p,
 							unsigned int reg)
 {
+	if (_PAGE_GLOBAL_SHIFT == 0) {
+		/* pte_t is already in EntryLo format */
+		return;
+	}
+
 	if (cpu_has_rixi && _PAGE_NO_EXEC) {
 		if (fill_includes_sw_bits) {
 			UASM_i_ROTR(p, reg, reg, ilog2(_PAGE_GLOBAL));
@@ -808,7 +814,10 @@ build_get_pmde64(u32 **p, struct uasm_label **l, struct uasm_reloc **r,
 
 	if (pgd_reg != -1) {
 		/* pgd is in pgd_reg */
-		UASM_i_MFC0(p, ptr, c0_kscratch(), pgd_reg);
+		if (cpu_has_ldpte)
+			UASM_i_MFC0(p, ptr, C0_PWBASE);
+		else
+			UASM_i_MFC0(p, ptr, c0_kscratch(), pgd_reg);
 	} else {
 #if defined(CONFIG_MIPS_PGD_C0_CONTEXT)
 		/*
@@ -1007,39 +1016,40 @@ static void build_get_ptep(u32 **p, unsigned int tmp, unsigned int ptr)
 
 static void build_update_entries(u32 **p, unsigned int tmp, unsigned int ptep)
 {
-	/*
-	 * 64bit address support (36bit on a 32bit CPU) in a 32bit
-	 * Kernel is a special case. Only a few CPUs use it.
-	 */
-	if (config_enabled(CONFIG_PHYS_ADDR_T_64BIT) && !cpu_has_64bits) {
-		int pte_off_even = sizeof(pte_t) / 2;
-		int pte_off_odd = pte_off_even + sizeof(pte_t);
-#ifdef CONFIG_XPA
-		const int scratch = 1; /* Our extra working register */
+	int pte_off_even = 0;
+	int pte_off_odd = sizeof(pte_t);
 
-		uasm_i_addu(p, scratch, 0, ptep);
+#if defined(CONFIG_CPU_MIPS32) && defined(CONFIG_PHYS_ADDR_T_64BIT)
+	/* The low 32 bits of EntryLo is stored in pte_high */
+	pte_off_even += offsetof(pte_t, pte_high);
+	pte_off_odd += offsetof(pte_t, pte_high);
 #endif
+
+	if (config_enabled(CONFIG_XPA)) {
 		uasm_i_lw(p, tmp, pte_off_even, ptep); /* even pte */
-		uasm_i_lw(p, ptep, pte_off_odd, ptep); /* odd pte */
 		UASM_i_ROTR(p, tmp, tmp, ilog2(_PAGE_GLOBAL));
-		UASM_i_ROTR(p, ptep, ptep, ilog2(_PAGE_GLOBAL));
 		UASM_i_MTC0(p, tmp, C0_ENTRYLO0);
-		UASM_i_MTC0(p, ptep, C0_ENTRYLO1);
-#ifdef CONFIG_XPA
-		uasm_i_lw(p, tmp, 0, scratch);
-		uasm_i_lw(p, ptep, sizeof(pte_t), scratch);
-		uasm_i_lui(p, scratch, 0xff);
-		uasm_i_ori(p, scratch, scratch, 0xffff);
-		uasm_i_and(p, tmp, scratch, tmp);
-		uasm_i_and(p, ptep, scratch, ptep);
-		uasm_i_mthc0(p, tmp, C0_ENTRYLO0);
-		uasm_i_mthc0(p, ptep, C0_ENTRYLO1);
-#endif
+
+		if (cpu_has_xpa && !mips_xpa_disabled) {
+			uasm_i_lw(p, tmp, 0, ptep);
+			uasm_i_ext(p, tmp, tmp, 0, 24);
+			uasm_i_mthc0(p, tmp, C0_ENTRYLO0);
+		}
+
+		uasm_i_lw(p, tmp, pte_off_odd, ptep); /* odd pte */
+		UASM_i_ROTR(p, tmp, tmp, ilog2(_PAGE_GLOBAL));
+		UASM_i_MTC0(p, tmp, C0_ENTRYLO1);
+
+		if (cpu_has_xpa && !mips_xpa_disabled) {
+			uasm_i_lw(p, tmp, sizeof(pte_t), ptep);
+			uasm_i_ext(p, tmp, tmp, 0, 24);
+			uasm_i_mthc0(p, tmp, C0_ENTRYLO1);
+		}
 		return;
 	}
 
-	UASM_i_LW(p, tmp, 0, ptep); /* get even pte */
-	UASM_i_LW(p, ptep, sizeof(pte_t), ptep); /* get odd pte */
+	UASM_i_LW(p, tmp, pte_off_even, ptep); /* get even pte */
+	UASM_i_LW(p, ptep, pte_off_odd, ptep); /* get odd pte */
 	if (r45k_bvahwbug())
 		build_tlb_probe_entry(p);
 	build_convert_pte_to_entrylo(p, tmp);
@@ -1421,6 +1431,108 @@ static void build_r4000_tlb_refill_handler(void)
 	dump_handler("r4000_tlb_refill", (u32 *)ebase, 64);
 }
 
+static void setup_pw(void)
+{
+	unsigned long pgd_i, pgd_w;
+#ifndef __PAGETABLE_PMD_FOLDED
+	unsigned long pmd_i, pmd_w;
+#endif
+	unsigned long pt_i, pt_w;
+	unsigned long pte_i, pte_w;
+#ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
+	unsigned long psn;
+
+	psn = ilog2(_PAGE_HUGE);     /* bit used to indicate huge page */
+#endif
+	pgd_i = PGDIR_SHIFT;  /* 1st level PGD */
+#ifndef __PAGETABLE_PMD_FOLDED
+	pgd_w = PGDIR_SHIFT - PMD_SHIFT + PGD_ORDER;
+
+	pmd_i = PMD_SHIFT;    /* 2nd level PMD */
+	pmd_w = PMD_SHIFT - PAGE_SHIFT;
+#else
+	pgd_w = PGDIR_SHIFT - PAGE_SHIFT + PGD_ORDER;
+#endif
+
+	pt_i  = PAGE_SHIFT;    /* 3rd level PTE */
+	pt_w  = PAGE_SHIFT - 3;
+
+	pte_i = ilog2(_PAGE_GLOBAL);
+	pte_w = 0;
+
+#ifndef __PAGETABLE_PMD_FOLDED
+	write_c0_pwfield(pgd_i << 24 | pmd_i << 12 | pt_i << 6 | pte_i);
+	write_c0_pwsize(1 << 30 | pgd_w << 24 | pmd_w << 12 | pt_w << 6 | pte_w);
+#else
+	write_c0_pwfield(pgd_i << 24 | pt_i << 6 | pte_i);
+	write_c0_pwsize(1 << 30 | pgd_w << 24 | pt_w << 6 | pte_w);
+#endif
+
+#ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
+	write_c0_pwctl(1 << 6 | psn);
+#endif
+	write_c0_kpgd(swapper_pg_dir);
+	kscratch_used_mask |= (1 << 7); /* KScratch6 is used for KPGD */
+}
+
+static void build_loongson3_tlb_refill_handler(void)
+{
+	u32 *p = tlb_handler;
+	struct uasm_label *l = labels;
+	struct uasm_reloc *r = relocs;
+
+	memset(labels, 0, sizeof(labels));
+	memset(relocs, 0, sizeof(relocs));
+	memset(tlb_handler, 0, sizeof(tlb_handler));
+
+	if (check_for_high_segbits) {
+		uasm_i_dmfc0(&p, K0, C0_BADVADDR);
+		uasm_i_dsrl_safe(&p, K1, K0, PGDIR_SHIFT + PGD_ORDER + PAGE_SHIFT - 3);
+		uasm_il_beqz(&p, &r, K1, label_vmalloc);
+		uasm_i_nop(&p);
+
+		uasm_il_bgez(&p, &r, K0, label_large_segbits_fault);
+		uasm_i_nop(&p);
+		uasm_l_vmalloc(&l, p);
+	}
+
+	uasm_i_dmfc0(&p, K1, C0_PGD);
+
+	uasm_i_lddir(&p, K0, K1, 3);  /* global page dir */
+#ifndef __PAGETABLE_PMD_FOLDED
+	uasm_i_lddir(&p, K1, K0, 1);  /* middle page dir */
+#endif
+	uasm_i_ldpte(&p, K1, 0);      /* even */
+	uasm_i_ldpte(&p, K1, 1);      /* odd */
+	uasm_i_tlbwr(&p);
+
+	/* restore page mask */
+	if (PM_DEFAULT_MASK >> 16) {
+		uasm_i_lui(&p, K0, PM_DEFAULT_MASK >> 16);
+		uasm_i_ori(&p, K0, K0, PM_DEFAULT_MASK & 0xffff);
+		uasm_i_mtc0(&p, K0, C0_PAGEMASK);
+	} else if (PM_DEFAULT_MASK) {
+		uasm_i_ori(&p, K0, 0, PM_DEFAULT_MASK);
+		uasm_i_mtc0(&p, K0, C0_PAGEMASK);
+	} else {
+		uasm_i_mtc0(&p, 0, C0_PAGEMASK);
+	}
+
+	uasm_i_eret(&p);
+
+	if (check_for_high_segbits) {
+		uasm_l_large_segbits_fault(&l, p);
+		UASM_i_LA(&p, K1, (unsigned long)tlb_do_page_fault_0);
+		uasm_i_jr(&p, K1);
+		uasm_i_nop(&p);
+	}
+
+	uasm_resolve_relocs(relocs, labels);
+	memcpy((void *)(ebase + 0x80), tlb_handler, 0x80);
+	local_flush_icache_range(ebase + 0x80, ebase + 0x100);
+	dump_handler("loongson3_tlb_refill", (u32 *)(ebase + 0x80), 32);
+}
+
 extern u32 handle_tlbl[], handle_tlbl_end[];
 extern u32 handle_tlbs[], handle_tlbs_end[];
 extern u32 handle_tlbm[], handle_tlbm_end[];
@@ -1468,7 +1580,10 @@ static void build_setup_pgd(void)
 	} else {
 		/* PGD in c0_KScratch */
 		uasm_i_jr(&p, 31);
-		UASM_i_MTC0(&p, a0, c0_kscratch(), pgd_reg);
+		if (cpu_has_ldpte)
+			UASM_i_MTC0(&p, a0, C0_PWBASE);
+		else
+			UASM_i_MTC0(&p, a0, c0_kscratch(), pgd_reg);
 	}
 #else
 #ifdef CONFIG_SMP
@@ -1523,19 +1638,19 @@ iPTE_LW(u32 **p, unsigned int pte, unsigned int ptr)
 
 static void
 iPTE_SW(u32 **p, struct uasm_reloc **r, unsigned int pte, unsigned int ptr,
-	unsigned int mode)
+	unsigned int mode, unsigned int scratch)
 {
-#ifdef CONFIG_PHYS_ADDR_T_64BIT
 	unsigned int hwmode = mode & (_PAGE_VALID | _PAGE_DIRTY);
+	unsigned int swmode = mode & ~hwmode;
 
-	if (!cpu_has_64bits) {
-		const int scratch = 1; /* Our extra working register */
-
-		uasm_i_lui(p, scratch, (mode >> 16));
+	if (config_enabled(CONFIG_XPA) && !cpu_has_64bits) {
+		uasm_i_lui(p, scratch, swmode >> 16);
 		uasm_i_or(p, pte, pte, scratch);
-	} else
-#endif
-	uasm_i_ori(p, pte, pte, mode);
+		BUG_ON(swmode & 0xffff);
+	} else {
+		uasm_i_ori(p, pte, pte, mode);
+	}
+
 #ifdef CONFIG_SMP
 # ifdef CONFIG_PHYS_ADDR_T_64BIT
 	if (cpu_has_64bits)
@@ -1554,6 +1669,7 @@ iPTE_SW(u32 **p, struct uasm_reloc **r, unsigned int pte, unsigned int ptr,
 		/* no uasm_i_nop needed */
 		uasm_i_ll(p, pte, sizeof(pte_t) / 2, ptr);
 		uasm_i_ori(p, pte, pte, hwmode);
+		BUG_ON(hwmode & ~0xffff);
 		uasm_i_sc(p, pte, sizeof(pte_t) / 2, ptr);
 		uasm_il_beqz(p, r, pte, label_smp_pgtable_change);
 		/* no uasm_i_nop needed */
@@ -1575,6 +1691,7 @@ iPTE_SW(u32 **p, struct uasm_reloc **r, unsigned int pte, unsigned int ptr,
 	if (!cpu_has_64bits) {
 		uasm_i_lw(p, pte, sizeof(pte_t) / 2, ptr);
 		uasm_i_ori(p, pte, pte, hwmode);
+		BUG_ON(hwmode & ~0xffff);
 		uasm_i_sw(p, pte, sizeof(pte_t) / 2, ptr);
 		uasm_i_lw(p, pte, 0, ptr);
 	}
@@ -1615,9 +1732,8 @@ build_pte_present(u32 **p, struct uasm_reloc **r,
 			cur = t;
 		}
 		uasm_i_andi(p, t, cur,
-			(_PAGE_PRESENT | _PAGE_READ) >> _PAGE_PRESENT_SHIFT);
-		uasm_i_xori(p, t, t,
-			(_PAGE_PRESENT | _PAGE_READ) >> _PAGE_PRESENT_SHIFT);
+			(_PAGE_PRESENT | _PAGE_NO_READ) >> _PAGE_PRESENT_SHIFT);
+		uasm_i_xori(p, t, t, _PAGE_PRESENT >> _PAGE_PRESENT_SHIFT);
 		uasm_il_bnez(p, r, t, lid);
 		if (pte == t)
 			/* You lose the SMP race :-(*/
@@ -1628,11 +1744,11 @@ build_pte_present(u32 **p, struct uasm_reloc **r,
 /* Make PTE valid, store result in PTR. */
 static void
 build_make_valid(u32 **p, struct uasm_reloc **r, unsigned int pte,
-		 unsigned int ptr)
+		 unsigned int ptr, unsigned int scratch)
 {
 	unsigned int mode = _PAGE_VALID | _PAGE_ACCESSED;
 
-	iPTE_SW(p, r, pte, ptr, mode);
+	iPTE_SW(p, r, pte, ptr, mode, scratch);
 }
 
 /*
@@ -1668,12 +1784,12 @@ build_pte_writable(u32 **p, struct uasm_reloc **r,
  */
 static void
 build_make_write(u32 **p, struct uasm_reloc **r, unsigned int pte,
-		 unsigned int ptr)
+		 unsigned int ptr, unsigned int scratch)
 {
 	unsigned int mode = (_PAGE_ACCESSED | _PAGE_MODIFIED | _PAGE_VALID
 			     | _PAGE_DIRTY);
 
-	iPTE_SW(p, r, pte, ptr, mode);
+	iPTE_SW(p, r, pte, ptr, mode, scratch);
 }
 
 /*
@@ -1778,7 +1894,7 @@ static void build_r3000_tlb_load_handler(void)
 	build_r3000_tlbchange_handler_head(&p, K0, K1);
 	build_pte_present(&p, &r, K0, K1, -1, label_nopage_tlbl);
 	uasm_i_nop(&p); /* load delay */
-	build_make_valid(&p, &r, K0, K1);
+	build_make_valid(&p, &r, K0, K1, -1);
 	build_r3000_tlb_reload_write(&p, &l, &r, K0, K1);
 
 	uasm_l_nopage_tlbl(&l, p);
@@ -1809,7 +1925,7 @@ static void build_r3000_tlb_store_handler(void)
 	build_r3000_tlbchange_handler_head(&p, K0, K1);
 	build_pte_writable(&p, &r, K0, K1, -1, label_nopage_tlbs);
 	uasm_i_nop(&p); /* load delay */
-	build_make_write(&p, &r, K0, K1);
+	build_make_write(&p, &r, K0, K1, -1);
 	build_r3000_tlb_reload_write(&p, &l, &r, K0, K1);
 
 	uasm_l_nopage_tlbs(&l, p);
@@ -1840,7 +1956,7 @@ static void build_r3000_tlb_modify_handler(void)
 	build_r3000_tlbchange_handler_head(&p, K0, K1);
 	build_pte_modifiable(&p, &r, K0, K1,  -1, label_nopage_tlbm);
 	uasm_i_nop(&p); /* load delay */
-	build_make_write(&p, &r, K0, K1);
+	build_make_write(&p, &r, K0, K1, -1);
 	build_r3000_pte_reload_tlbwi(&p, K0, K1);
 
 	uasm_l_nopage_tlbm(&l, p);
@@ -2008,7 +2124,7 @@ static void build_r4000_tlb_load_handler(void)
 		}
 		uasm_l_tlbl_goaround1(&l, p);
 	}
-	build_make_valid(&p, &r, wr.r1, wr.r2);
+	build_make_valid(&p, &r, wr.r1, wr.r2, wr.r3);
 	build_r4000_tlbchange_handler_tail(&p, &l, &r, wr.r1, wr.r2);
 
 #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
@@ -2122,7 +2238,7 @@ static void build_r4000_tlb_store_handler(void)
 	build_pte_writable(&p, &r, wr.r1, wr.r2, wr.r3, label_nopage_tlbs);
 	if (m4kc_tlbp_war())
 		build_tlb_probe_entry(&p);
-	build_make_write(&p, &r, wr.r1, wr.r2);
+	build_make_write(&p, &r, wr.r1, wr.r2, wr.r3);
 	build_r4000_tlbchange_handler_tail(&p, &l, &r, wr.r1, wr.r2);
 
 #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
@@ -2178,7 +2294,7 @@ static void build_r4000_tlb_modify_handler(void)
 	if (m4kc_tlbp_war())
 		build_tlb_probe_entry(&p);
 	/* Present and writable bits set, set accessed and dirty bits. */
-	build_make_write(&p, &r, wr.r1, wr.r2);
+	build_make_write(&p, &r, wr.r1, wr.r2, wr.r3);
 	build_r4000_tlbchange_handler_tail(&p, &l, &r, wr.r1, wr.r2);
 
 #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
@@ -2245,8 +2361,9 @@ static void print_htw_config(void)
 		(config & MIPS_PWFIELD_PTEI_MASK) >> MIPS_PWFIELD_PTEI_SHIFT);
 
 	config = read_c0_pwsize();
-	pr_debug("PWSize  (0x%0*lx): GDW: 0x%02lx  UDW: 0x%02lx  MDW: 0x%02lx  PTW: 0x%02lx  PTEW: 0x%02lx\n",
+	pr_debug("PWSize  (0x%0*lx): PS: 0x%lx  GDW: 0x%02lx  UDW: 0x%02lx  MDW: 0x%02lx  PTW: 0x%02lx  PTEW: 0x%02lx\n",
 		field, config,
+		(config & MIPS_PWSIZE_PS_MASK) >> MIPS_PWSIZE_PS_SHIFT,
 		(config & MIPS_PWSIZE_GDW_MASK) >> MIPS_PWSIZE_GDW_SHIFT,
 		(config & MIPS_PWSIZE_UDW_MASK) >> MIPS_PWSIZE_UDW_SHIFT,
 		(config & MIPS_PWSIZE_MDW_MASK) >> MIPS_PWSIZE_MDW_SHIFT,
@@ -2254,9 +2371,12 @@ static void print_htw_config(void)
 		(config & MIPS_PWSIZE_PTEW_MASK) >> MIPS_PWSIZE_PTEW_SHIFT);
 
 	pwctl = read_c0_pwctl();
-	pr_debug("PWCtl   (0x%x): PWEn: 0x%x  DPH: 0x%x  HugePg: 0x%x  Psn: 0x%x\n",
+	pr_debug("PWCtl   (0x%x): PWEn: 0x%x  XK: 0x%x  XS: 0x%x  XU: 0x%x  DPH: 0x%x  HugePg: 0x%x  Psn: 0x%x\n",
 		pwctl,
 		(pwctl & MIPS_PWCTL_PWEN_MASK) >> MIPS_PWCTL_PWEN_SHIFT,
+		(pwctl & MIPS_PWCTL_XK_MASK) >> MIPS_PWCTL_XK_SHIFT,
+		(pwctl & MIPS_PWCTL_XS_MASK) >> MIPS_PWCTL_XS_SHIFT,
+		(pwctl & MIPS_PWCTL_XU_MASK) >> MIPS_PWCTL_XU_SHIFT,
 		(pwctl & MIPS_PWCTL_DPH_MASK) >> MIPS_PWCTL_DPH_SHIFT,
 		(pwctl & MIPS_PWCTL_HUGEPG_MASK) >> MIPS_PWCTL_HUGEPG_SHIFT,
 		(pwctl & MIPS_PWCTL_PSN_MASK) >> MIPS_PWCTL_PSN_SHIFT);
@@ -2311,17 +2431,25 @@ static void config_htw_params(void)
 	if (CONFIG_PGTABLE_LEVELS >= 3)
 		pwsize |= ilog2(PTRS_PER_PMD) << MIPS_PWSIZE_MDW_SHIFT;
 
-	/* If XPA has been enabled, PTEs are 64-bit in size. */
-	if (config_enabled(CONFIG_64BITS) || (read_c0_pagegrain() & PG_ELPA))
-		pwsize |= 1;
+	/* Set pointer size to size of directory pointers */
+	if (config_enabled(CONFIG_64BIT))
+		pwsize |= MIPS_PWSIZE_PS_MASK;
+	/* PTEs may be multiple pointers long (e.g. with XPA) */
+	pwsize |= ((PTE_T_LOG2 - PGD_T_LOG2) << MIPS_PWSIZE_PTEW_SHIFT)
+			& MIPS_PWSIZE_PTEW_MASK;
 
 	write_c0_pwsize(pwsize);
 
 	/* Make sure everything is set before we enable the HTW */
 	back_to_back_c0_hazard();
 
-	/* Enable HTW and disable the rest of the pwctl fields */
+	/*
+	 * Enable HTW (and only for XUSeg on 64-bit), and disable the rest of
+	 * the pwctl fields.
+	 */
 	config = 1 << MIPS_PWCTL_PWEN_SHIFT;
+	if (config_enabled(CONFIG_64BIT))
+		config |= MIPS_PWCTL_XU_MASK;
 	write_c0_pwctl(config);
 	pr_info("Hardware Page Table Walker enabled\n");
 
@@ -2394,6 +2522,9 @@ void build_tlb_refill_handler(void)
 	 */
 	static int run_once = 0;
 
+	if (config_enabled(CONFIG_XPA) && !cpu_has_rixi)
+		panic("Kernels supporting XPA currently require CPUs with RIXI");
+
 	output_pgtable_bits_defines();
 	check_pabits();
 
@@ -2437,13 +2568,18 @@ void build_tlb_refill_handler(void)
 		break;
 
 	default:
+		if (cpu_has_ldpte)
+			setup_pw();
+
 		if (!run_once) {
 			scratch_reg = allocate_kscratch();
 			build_setup_pgd();
 			build_r4000_tlb_load_handler();
 			build_r4000_tlb_store_handler();
 			build_r4000_tlb_modify_handler();
-			if (!cpu_has_local_ebase)
+			if (cpu_has_ldpte)
+				build_loongson3_tlb_refill_handler();
+			else if (!cpu_has_local_ebase)
 				build_r4000_tlb_refill_handler();
 			flush_tlb_handlers();
 			run_once++;
diff --git a/arch/mips/mm/uasm-mips.c b/arch/mips/mm/uasm-mips.c
index b4a837893..9c2220a45 100644
--- a/arch/mips/mm/uasm-mips.c
+++ b/arch/mips/mm/uasm-mips.c
@@ -153,6 +153,8 @@ static struct insn insn_table[] = {
 	{ insn_xori,  M(xori_op, 0, 0, 0, 0, 0),  RS | RT | UIMM },
 	{ insn_xor,  M(spec_op, 0, 0, 0, 0, xor_op),  RS | RT | RD },
 	{ insn_yield, M(spec3_op, 0, 0, 0, 0, yield_op), RS | RD },
+	{ insn_ldpte, M(lwc2_op, 0, 0, 0, ldpte_op, mult_op), RS | RD },
+	{ insn_lddir, M(lwc2_op, 0, 0, 0, lddir_op, mult_op), RS | RT | RD },
 	{ insn_invalid, 0, 0 }
 };
 
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
index 319051c34..ad718debc 100644
--- a/arch/mips/mm/uasm.c
+++ b/arch/mips/mm/uasm.c
@@ -60,6 +60,7 @@ enum opcode {
 	insn_sltiu, insn_sltu, insn_sra, insn_srl, insn_srlv, insn_subu,
 	insn_sw, insn_sync, insn_syscall, insn_tlbp, insn_tlbr, insn_tlbwi,
 	insn_tlbwr, insn_wait, insn_wsbh, insn_xor, insn_xori, insn_yield,
+	insn_lddir, insn_ldpte,
 };
 
 struct insn {
@@ -335,6 +336,8 @@ I_u1u2s3(_bbit0);
 I_u1u2s3(_bbit1);
 I_u3u1u2(_lwx)
 I_u3u1u2(_ldx)
+I_u1u2(_ldpte)
+I_u2u1u3(_lddir)
 
 #ifdef CONFIG_CPU_CAVIUM_OCTEON
 #include <asm/octeon/octeon.h>
diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c
index 4740c82fb..33d5ff506 100644
--- a/arch/mips/mti-malta/malta-setup.c
+++ b/arch/mips/mti-malta/malta-setup.c
@@ -248,10 +248,15 @@ static void __init bonito_quirks_setup(void)
 #endif
 }
 
+void __init *plat_get_fdt(void)
+{
+	return (void *)__dtb_start;
+}
+
 void __init plat_mem_setup(void)
 {
 	unsigned int i;
-	void *fdt = __dtb_start;
+	void *fdt = plat_get_fdt();
 
 	fdt = malta_dt_shim(fdt);
 	__dt_setup_arch(fdt);
diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c
index b7bf721ea..7407da04f 100644
--- a/arch/mips/mti-malta/malta-time.c
+++ b/arch/mips/mti-malta/malta-time.c
@@ -21,6 +21,7 @@
 #include <linux/i8253.h>
 #include <linux/init.h>
 #include <linux/kernel_stat.h>
+#include <linux/math64.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
@@ -72,6 +73,8 @@ static void __init estimate_frequencies(void)
 {
 	unsigned long flags;
 	unsigned int count, start;
+	unsigned char secs1, secs2, ctrl;
+	int secs;
 	cycle_t giccount = 0, gicstart = 0;
 
 #if defined(CONFIG_KVM_GUEST) && CONFIG_KVM_GUEST_TIMER_FREQ
@@ -81,32 +84,51 @@ static void __init estimate_frequencies(void)
 
 	local_irq_save(flags);
 
-	/* Start counter exactly on falling edge of update flag. */
+	if (gic_present)
+		gic_start_count();
+
+	/*
+	 * Read counters exactly on rising edge of update flag.
+	 * This helps get an accurate reading under virtualisation.
+	 */
 	while (CMOS_READ(RTC_REG_A) & RTC_UIP);
 	while (!(CMOS_READ(RTC_REG_A) & RTC_UIP));
-
-	/* Initialize counters. */
 	start = read_c0_count();
-	if (gic_present) {
-		gic_start_count();
+	if (gic_present)
 		gicstart = gic_read_count();
-	}
 
-	/* Read counter exactly on falling edge of update flag. */
+	/* Wait for falling edge before reading RTC. */
 	while (CMOS_READ(RTC_REG_A) & RTC_UIP);
-	while (!(CMOS_READ(RTC_REG_A) & RTC_UIP));
+	secs1 = CMOS_READ(RTC_SECONDS);
 
+	/* Read counters again exactly on rising edge of update flag. */
+	while (!(CMOS_READ(RTC_REG_A) & RTC_UIP));
 	count = read_c0_count();
 	if (gic_present)
 		giccount = gic_read_count();
 
+	/* Wait for falling edge before reading RTC again. */
+	while (CMOS_READ(RTC_REG_A) & RTC_UIP);
+	secs2 = CMOS_READ(RTC_SECONDS);
+
+	ctrl = CMOS_READ(RTC_CONTROL);
+
 	local_irq_restore(flags);
 
+	if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
+		secs1 = bcd2bin(secs1);
+		secs2 = bcd2bin(secs2);
+	}
+	secs = secs2 - secs1;
+	if (secs < 1)
+		secs += 60;
+
 	count -= start;
+	count /= secs;
 	mips_hpt_frequency = count;
 
 	if (gic_present) {
-		giccount -= gicstart;
+		giccount = div_u64(giccount - gicstart, secs);
 		gic_frequency = giccount;
 	}
 }
diff --git a/arch/mips/mti-sead3/sead3-setup.c b/arch/mips/mti-sead3/sead3-setup.c
index e43f4801a..9f2f9b2b2 100644
--- a/arch/mips/mti-sead3/sead3-setup.c
+++ b/arch/mips/mti-sead3/sead3-setup.c
@@ -83,6 +83,11 @@ static void __init parse_memsize_param(void)
 	}
 }
 
+void __init *plat_get_fdt(void)
+{
+	return (void *)__dtb_start;
+}
+
 void __init plat_mem_setup(void)
 {
 	/* allow command line/bootloader env to override memory size in DT */
diff --git a/arch/mips/netlogic/common/reset.S b/arch/mips/netlogic/common/reset.S
index edbab9b86..c474981a6 100644
--- a/arch/mips/netlogic/common/reset.S
+++ b/arch/mips/netlogic/common/reset.S
@@ -50,7 +50,6 @@
 #include <asm/netlogic/xlp-hal/sys.h>
 #include <asm/netlogic/xlp-hal/cpucontrol.h>
 
-#define CP0_EBASE	$15
 #define SYS_CPU_COHERENT_BASE	CKSEG1ADDR(XLP_DEFAULT_IO_BASE) + \
 			XLP_IO_SYS_OFFSET(0) + XLP_IO_PCI_HDRSZ + \
 			SYS_CPU_NONCOHERENT_MODE * 4
@@ -92,7 +91,7 @@
  * registers. On XLPII CPUs, usual cache instructions work.
  */
 .macro	xlp_flush_l1_dcache
-	mfc0	t0, CP0_EBASE, 0
+	mfc0	t0, CP0_PRID
 	andi	t0, t0, PRID_IMP_MASK
 	slt	t1, t0, 0x1200
 	beqz	t1, 15f
@@ -171,7 +170,7 @@ FEXPORT(nlm_reset_entry)
 	nop
 
 1:	/* Entry point on core wakeup */
-	mfc0	t0, CP0_EBASE, 0	/* processor ID */
+	mfc0	t0, CP0_PRID		/* processor ID */
 	andi	t0, PRID_IMP_MASK
 	li	t1, 0x1500		/* XLP 9xx */
 	beq	t0, t1, 2f		/* does not need to set coherent */
@@ -182,8 +181,8 @@ FEXPORT(nlm_reset_entry)
 	nop
 
 	/* set bit in SYS coherent register for the core */
-	mfc0	t0, CP0_EBASE, 1
-	mfc0	t1, CP0_EBASE, 1
+	mfc0	t0, CP0_EBASE
+	mfc0	t1, CP0_EBASE
 	srl	t1, 5
 	andi	t1, 0x3			/* t1 <- node */
 	li	t2, 0x40000
@@ -232,7 +231,7 @@ EXPORT(nlm_boot_siblings)
 
 	 * NOTE: All GPR contents are lost after the mtcr above!
 	 */
-	mfc0	v0, CP0_EBASE, 1
+	mfc0	v0, CP0_EBASE
 	andi	v0, 0x3ff		/* v0 <- node/core */
 
 	/*
diff --git a/arch/mips/netlogic/common/smpboot.S b/arch/mips/netlogic/common/smpboot.S
index 805355b0b..f0cc4c9de 100644
--- a/arch/mips/netlogic/common/smpboot.S
+++ b/arch/mips/netlogic/common/smpboot.S
@@ -48,8 +48,6 @@
 #include <asm/netlogic/xlp-hal/sys.h>
 #include <asm/netlogic/xlp-hal/cpucontrol.h>
 
-#define CP0_EBASE	$15
-
 	.set	noreorder
 	.set	noat
 	.set	arch=xlr		/* for mfcr/mtcr, XLR is sufficient */
@@ -86,7 +84,7 @@ NESTED(nlm_boot_secondary_cpus, 16, sp)
 	PTR_L	gp, 0(t1)
 
 	/* a0 has the processor id */
-	mfc0	a0, CP0_EBASE, 1
+	mfc0	a0, CP0_EBASE
 	andi	a0, 0x3ff		/* a0 <- node/core */
 	PTR_LA	t0, nlm_early_init_secondary
 	jalr	t0
diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c
index 80ec92974..25ee69489 100644
--- a/arch/mips/netlogic/xlp/nlm_hal.c
+++ b/arch/mips/netlogic/xlp/nlm_hal.c
@@ -58,7 +58,7 @@ void nlm_node_init(int node)
 		nodep->coremask = 1;	/* node 0, boot cpu */
 	nodep->sysbase = nlm_get_sys_regbase(node);
 	nodep->picbase = nlm_get_pic_regbase(node);
-	nodep->ebase = read_c0_ebase() & (~((1 << 12) - 1));
+	nodep->ebase = read_c0_ebase() & MIPS_EBASE_BASE;
 	if (cpu_is_xlp9xx())
 		nodep->socbus = xlp9xx_get_socbus(node);
 	else
diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c
index d118b9aa7..72ceddc9a 100644
--- a/arch/mips/netlogic/xlr/setup.c
+++ b/arch/mips/netlogic/xlr/setup.c
@@ -168,7 +168,7 @@ static void nlm_init_node(void)
 
 	nodep = nlm_current_node();
 	nodep->picbase = nlm_mmio_base(NETLOGIC_IO_PIC_OFFSET);
-	nodep->ebase = read_c0_ebase() & (~((1 << 12) - 1));
+	nodep->ebase = read_c0_ebase() & MIPS_EBASE_BASE;
 	spin_lock_init(&nodep->piclock);
 }
 
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index 3c9ec3ddc..2f33992f6 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -77,7 +77,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 	struct op_mips_model *lmodel = NULL;
 	int res;
 
-	switch (current_cpu_type()) {
+	switch (boot_cpu_type()) {
 	case CPU_5KC:
 	case CPU_M14KC:
 	case CPU_M14KEC:
diff --git a/arch/mips/oprofile/op_impl.h b/arch/mips/oprofile/op_impl.h
index 7c2da27ec..a4e758a39 100644
--- a/arch/mips/oprofile/op_impl.h
+++ b/arch/mips/oprofile/op_impl.h
@@ -24,7 +24,7 @@ struct op_counter_config {
 	unsigned long unit_mask;
 };
 
-/* Per-architecture configury and hooks.  */
+/* Per-architecture configure and hooks.  */
 struct op_mips_model {
 	void (*reg_setup) (struct op_counter_config *);
 	void (*cpu_setup) (void *dummy);
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index 8f988a61b..45cb27469 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -269,11 +269,9 @@ static int mipsxx_perfcount_handler(void)
 	return handled;
 }
 
-#define M_CONFIG1_PC	(1 << 4)
-
 static inline int __n_counters(void)
 {
-	if (!(read_c0_config1() & M_CONFIG1_PC))
+	if (!cpu_has_perf)
 		return 0;
 	if (!(read_c0_perfctrl0() & M_PERFCTL_MORE))
 		return 1;
diff --git a/arch/mips/pci/fixup-lantiq.c b/arch/mips/pci/fixup-lantiq.c
index c2ce41ea6..2b5427d3f 100644
--- a/arch/mips/pci/fixup-lantiq.c
+++ b/arch/mips/pci/fixup-lantiq.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2012 John Crispin <john@phrozen.org>
  */
 
 #include <linux/of_irq.h>
diff --git a/arch/mips/pci/ops-bridge.c b/arch/mips/pci/ops-bridge.c
index 438319465..57e1463fc 100644
--- a/arch/mips/pci/ops-bridge.c
+++ b/arch/mips/pci/ops-bridge.c
@@ -33,9 +33,9 @@ static u32 emulate_ioc3_cfg(int where, int size)
  * The Bridge ASIC supports both type 0 and type 1 access.  Type 1 is
  * not really documented, so right now I can't write code which uses it.
  * Therefore we use type 0 accesses for now even though they won't work
- * correcly for PCI-to-PCI bridges.
+ * correctly for PCI-to-PCI bridges.
  *
- * The function is complicated by the ultimate brokeness of the IOC3 chip
+ * The function is complicated by the ultimate brokenness of the IOC3 chip
  * which is used in SGI systems.  The IOC3 can only handle 32-bit PCI
  * accesses and does only decode parts of it's address space.
  */
diff --git a/arch/mips/pci/ops-lantiq.c b/arch/mips/pci/ops-lantiq.c
index e5738ee26..f51e10899 100644
--- a/arch/mips/pci/ops-lantiq.c
+++ b/arch/mips/pci/ops-lantiq.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #include <linux/types.h>
diff --git a/arch/mips/pci/pci-alchemy.c b/arch/mips/pci/pci-alchemy.c
index 28952637a..c8994c156 100644
--- a/arch/mips/pci/pci-alchemy.c
+++ b/arch/mips/pci/pci-alchemy.c
@@ -76,7 +76,7 @@ static void mod_wired_entry(int entry, unsigned long entrylo0,
 	unsigned long old_ctx;
 
 	/* Save old context and create impossible VPN2 value */
-	old_ctx = read_c0_entryhi() & 0xff;
+	old_ctx = read_c0_entryhi() & MIPS_ENTRYHI_ASID;
 	old_pagemask = read_c0_pagemask();
 	write_c0_index(entry);
 	write_c0_pagemask(pagemask);
diff --git a/arch/mips/pci/pci-ip32.c b/arch/mips/pci/pci-ip32.c
index b1e061f7f..7ae89d0c7 100644
--- a/arch/mips/pci/pci-ip32.c
+++ b/arch/mips/pci/pci-ip32.c
@@ -116,7 +116,6 @@ static struct pci_controller mace_pci_controller = {
 	.pci_ops	= &mace_pci_ops,
 	.mem_resource	= &mace_pci_mem_resource,
 	.io_resource	= &mace_pci_io_resource,
-	.iommu		= 0,
 	.mem_offset	= MACE_PCI_MEM_OFFSET,
 	.io_offset	= 0,
 	.io_map_base	= CKSEG1ADDR(MACEPCI_LOW_IO),
diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c
index 6a15dbd08..b9deab17c 100644
--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #include <linux/types.h>
diff --git a/arch/mips/pci/pci-lantiq.h b/arch/mips/pci/pci-lantiq.h
index 66bf6cd6b..0cc71253a 100644
--- a/arch/mips/pci/pci-lantiq.h
+++ b/arch/mips/pci/pci-lantiq.h
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 John Crispin <john@phrozen.org>
  */
 
 #ifndef _LTQ_PCI_H__
diff --git a/arch/mips/pci/pci-mt7620.c b/arch/mips/pci/pci-mt7620.c
index 1ae932c2d..6ce816201 100644
--- a/arch/mips/pci/pci-mt7620.c
+++ b/arch/mips/pci/pci-mt7620.c
@@ -2,7 +2,7 @@
  *  Ralink MT7620A SoC PCI support
  *
  *  Copyright (C) 2007-2013 Bruce Chang (Mediatek)
- *  Copyright (C) 2013-2016 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2013-2016 John Crispin <john@phrozen.org>
  *
  *  This program is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License version 2 as published
diff --git a/arch/mips/pci/pci-rt2880.c b/arch/mips/pci/pci-rt2880.c
index a245cad43..f2a105016 100644
--- a/arch/mips/pci/pci-rt2880.c
+++ b/arch/mips/pci/pci-rt2880.c
@@ -1,7 +1,7 @@
 /*
  *  Ralink RT288x SoC PCI register definitions
  *
- *  Copyright (C) 2009 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2009 John Crispin <john@phrozen.org>
  *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
  *
  *  Parts of this file are based on Ralink's 2.6.21 BSP
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index b8a0bf576..f1b11f0de 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -83,9 +83,6 @@ static void pcibios_scanbus(struct pci_controller *hose)
 	LIST_HEAD(resources);
 	struct pci_bus *bus;
 
-	if (!hose->iommu)
-		PCI_DMA_BUS_IS_PHYS = 1;
-
 	if (hose->get_busno && pci_has_flag(PCI_PROBE_ONLY))
 		next_busno = (*hose->get_busno)();
 
diff --git a/arch/mips/pic32/Kconfig b/arch/mips/pic32/Kconfig
index 1985971b9..527d37da0 100644
--- a/arch/mips/pic32/Kconfig
+++ b/arch/mips/pic32/Kconfig
@@ -14,7 +14,7 @@ config PIC32MZDA
 	select SYS_HAS_EARLY_PRINTK
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_LITTLE_ENDIAN
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select COMMON_CLK
 	select CLKDEV_LOOKUP
 	select LIBFDT
diff --git a/arch/mips/pic32/pic32mzda/time.c b/arch/mips/pic32/pic32mzda/time.c
index ca6a62bb1..62a0a78b6 100644
--- a/arch/mips/pic32/pic32mzda/time.c
+++ b/arch/mips/pic32/pic32mzda/time.c
@@ -11,13 +11,12 @@
  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  *  for more details.
  */
-#include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/clocksource.h>
 #include <linux/init.h>
+#include <linux/irqdomain.h>
 #include <linux/of.h>
 #include <linux/of_irq.h>
-#include <linux/irqdomain.h>
 
 #include <asm/time.h>
 
@@ -58,16 +57,12 @@ unsigned int get_c0_compare_int(void)
 
 void __init plat_time_init(void)
 {
-	struct clk *clk;
+	unsigned long rate = pic32_get_pbclk(7);
 
 	of_clk_init(NULL);
-	clk = clk_get_sys("cpu_clk", NULL);
-	if (IS_ERR(clk))
-		panic("unable to get CPU clock, err=%ld", PTR_ERR(clk));
 
-	clk_prepare_enable(clk);
-	pr_info("CPU Clock: %ldMHz\n", clk_get_rate(clk) / 1000000);
-	mips_hpt_frequency = clk_get_rate(clk) / 2;
+	pr_info("CPU Clock: %ldMHz\n", rate / 1000000);
+	mips_hpt_frequency = rate / 2;
 
 	clocksource_probe();
 }
diff --git a/arch/mips/pistachio/init.c b/arch/mips/pistachio/init.c
index 96ba2cc9a..ab7982823 100644
--- a/arch/mips/pistachio/init.c
+++ b/arch/mips/pistachio/init.c
@@ -2,6 +2,7 @@
  * Pistachio platform setup
  *
  * Copyright (C) 2014 Google, Inc.
+ * Copyright (C) 2016 Imagination Technologies
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -9,6 +10,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/of_address.h>
 #include <linux/of_fdt.h>
@@ -24,9 +26,38 @@
 #include <asm/smp-ops.h>
 #include <asm/traps.h>
 
+/*
+ * Core revision register decoding
+ * Bits 23 to 20: Major rev
+ * Bits 15 to 8: Minor rev
+ * Bits 7 to 0: Maintenance rev
+ */
+#define PISTACHIO_CORE_REV_REG	0xB81483D0
+#define PISTACHIO_CORE_REV_A1	0x00100006
+#define PISTACHIO_CORE_REV_B0	0x00100106
+
 const char *get_system_type(void)
 {
-	return "IMG Pistachio SoC";
+	u32 core_rev;
+	const char *sys_type;
+
+	core_rev = __raw_readl((const void *)PISTACHIO_CORE_REV_REG);
+
+	switch (core_rev) {
+	case PISTACHIO_CORE_REV_B0:
+		sys_type = "IMG Pistachio SoC (B0)";
+		break;
+
+	case PISTACHIO_CORE_REV_A1:
+		sys_type = "IMG Pistachio SoC (A1)";
+		break;
+
+	default:
+		sys_type = "IMG Pistachio SoC";
+		break;
+	}
+
+	return sys_type;
 }
 
 static void __init plat_setup_iocoherency(void)
@@ -52,12 +83,16 @@ static void __init plat_setup_iocoherency(void)
 	}
 }
 
-void __init plat_mem_setup(void)
+void __init *plat_get_fdt(void)
 {
 	if (fw_arg0 != -2)
 		panic("Device-tree not present");
+	return (void *)fw_arg1;
+}
 
-	__dt_setup_arch((void *)fw_arg1);
+void __init plat_mem_setup(void)
+{
+	__dt_setup_arch(plat_get_fdt());
 
 	plat_setup_iocoherency();
 }
@@ -109,6 +144,8 @@ void __init prom_init(void)
 	mips_cm_probe();
 	mips_cpc_probe();
 	register_cps_smp_ops();
+
+	pr_info("SoC Type: %s\n", get_system_type());
 }
 
 void __init prom_free_prom_memory(void)
diff --git a/arch/mips/pmcs-msp71xx/msp_setup.c b/arch/mips/pmcs-msp71xx/msp_setup.c
index 9d293b3e9..a63b73610 100644
--- a/arch/mips/pmcs-msp71xx/msp_setup.c
+++ b/arch/mips/pmcs-msp71xx/msp_setup.c
@@ -118,7 +118,7 @@ void msp_restart(char *command)
 	/* No chip-specific reset code, just jump to the ROM reset vector */
 	set_c0_status(ST0_BEV | ST0_ERL);
 	change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
-	flush_cache_all();
+	__flush_cache_all();
 	write_c0_wired(0);
 
 	__asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
diff --git a/arch/mips/pnx833x/common/setup.c b/arch/mips/pnx833x/common/setup.c
index 99b4d9423..8a7443b25 100644
--- a/arch/mips/pnx833x/common/setup.c
+++ b/arch/mips/pnx833x/common/setup.c
@@ -38,9 +38,6 @@ extern void pnx833x_machine_power_off(void);
 
 int __init plat_mem_setup(void)
 {
-	/* fake pci bus to avoid bounce buffers */
-	PCI_DMA_BUS_IS_PHYS = 1;
-
 	/* set mips clock to 320MHz */
 #if defined(CONFIG_SOC_PNX8335)
 	PNX8335_WRITEFIELD(0x17, CLOCK_PLL_CPU_CTL, FREQ);
diff --git a/arch/mips/ralink/Makefile b/arch/mips/ralink/Makefile
index 0d1795a03..fe3471533 100644
--- a/arch/mips/ralink/Makefile
+++ b/arch/mips/ralink/Makefile
@@ -4,7 +4,7 @@
 # Makefile for the Ralink common stuff
 #
 # Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org>
-# Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+# Copyright (C) 2013 John Crispin <john@phrozen.org>
 
 obj-y := prom.o of.o reset.o
 
diff --git a/arch/mips/ralink/bootrom.c b/arch/mips/ralink/bootrom.c
index 540346839..e1fa5972a 100644
--- a/arch/mips/ralink/bootrom.c
+++ b/arch/mips/ralink/bootrom.c
@@ -3,7 +3,7 @@
  * under the terms of the GNU General Public License version 2 as published
  * by the Free Software Foundation.
  *
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #include <linux/debugfs.h>
diff --git a/arch/mips/ralink/cevt-rt3352.c b/arch/mips/ralink/cevt-rt3352.c
index e46f91f97..3ad0b0794 100644
--- a/arch/mips/ralink/cevt-rt3352.c
+++ b/arch/mips/ralink/cevt-rt3352.c
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 2013 by John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 by John Crispin <john@phrozen.org>
  */
 
 #include <linux/clockchips.h>
diff --git a/arch/mips/ralink/clk.c b/arch/mips/ralink/clk.c
index 25c4a6177..ebaa7cc0e 100644
--- a/arch/mips/ralink/clk.c
+++ b/arch/mips/ralink/clk.c
@@ -4,7 +4,7 @@
  *  by the Free Software Foundation.
  *
  *  Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
- *  Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #include <linux/kernel.h>
diff --git a/arch/mips/ralink/common.h b/arch/mips/ralink/common.h
index 8e7d8e618..b8245d094 100644
--- a/arch/mips/ralink/common.h
+++ b/arch/mips/ralink/common.h
@@ -3,7 +3,7 @@
  *  under the terms of the GNU General Public License version 2 as published
  *  by the Free Software Foundation.
  *
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #ifndef _RALINK_COMMON_H__
diff --git a/arch/mips/ralink/ill_acc.c b/arch/mips/ralink/ill_acc.c
index e10d10b9e..765d5ba98 100644
--- a/arch/mips/ralink/ill_acc.c
+++ b/arch/mips/ralink/ill_acc.c
@@ -3,7 +3,7 @@
  * under the terms of the GNU General Public License version 2 as published
  * by the Free Software Foundation.
  *
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #include <linux/interrupt.h>
diff --git a/arch/mips/ralink/irq-gic.c b/arch/mips/ralink/irq-gic.c
index 50d6c55ab..205828045 100644
--- a/arch/mips/ralink/irq-gic.c
+++ b/arch/mips/ralink/irq-gic.c
@@ -4,7 +4,7 @@
  * by the Free Software Foundation.
  *
  * Copyright (C) 2015 Nikolay Martynov <mar.kolya@gmail.com>
- * Copyright (C) 2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2015 John Crispin <john@phrozen.org>
  */
 
 #include <linux/init.h>
diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c
index 4cf77f358..4911c1445 100644
--- a/arch/mips/ralink/irq.c
+++ b/arch/mips/ralink/irq.c
@@ -4,7 +4,7 @@
  * by the Free Software Foundation.
  *
  * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #include <linux/io.h>
diff --git a/arch/mips/ralink/mt7620.c b/arch/mips/ralink/mt7620.c
index 0d3d1a978..d40edda0c 100644
--- a/arch/mips/ralink/mt7620.c
+++ b/arch/mips/ralink/mt7620.c
@@ -7,7 +7,7 @@
  *
  * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #include <linux/kernel.h>
@@ -188,6 +188,41 @@ static struct rt2880_pmx_func gpio_grp_mt7628[] = {
 	FUNC("gpio", 0, 11, 1),
 };
 
+static struct rt2880_pmx_func p4led_kn_grp_mt7628[] = {
+	FUNC("jtag", 3, 30, 1),
+	FUNC("util", 2, 30, 1),
+	FUNC("gpio", 1, 30, 1),
+	FUNC("p4led_kn", 0, 30, 1),
+};
+
+static struct rt2880_pmx_func p3led_kn_grp_mt7628[] = {
+	FUNC("jtag", 3, 31, 1),
+	FUNC("util", 2, 31, 1),
+	FUNC("gpio", 1, 31, 1),
+	FUNC("p3led_kn", 0, 31, 1),
+};
+
+static struct rt2880_pmx_func p2led_kn_grp_mt7628[] = {
+	FUNC("jtag", 3, 32, 1),
+	FUNC("util", 2, 32, 1),
+	FUNC("gpio", 1, 32, 1),
+	FUNC("p2led_kn", 0, 32, 1),
+};
+
+static struct rt2880_pmx_func p1led_kn_grp_mt7628[] = {
+	FUNC("jtag", 3, 33, 1),
+	FUNC("util", 2, 33, 1),
+	FUNC("gpio", 1, 33, 1),
+	FUNC("p1led_kn", 0, 33, 1),
+};
+
+static struct rt2880_pmx_func p0led_kn_grp_mt7628[] = {
+	FUNC("jtag", 3, 34, 1),
+	FUNC("rsvd", 2, 34, 1),
+	FUNC("gpio", 1, 34, 1),
+	FUNC("p0led_kn", 0, 34, 1),
+};
+
 static struct rt2880_pmx_func wled_kn_grp_mt7628[] = {
 	FUNC("rsvd", 3, 35, 1),
 	FUNC("rsvd", 2, 35, 1),
@@ -195,16 +230,61 @@ static struct rt2880_pmx_func wled_kn_grp_mt7628[] = {
 	FUNC("wled_kn", 0, 35, 1),
 };
 
+static struct rt2880_pmx_func p4led_an_grp_mt7628[] = {
+	FUNC("jtag", 3, 39, 1),
+	FUNC("util", 2, 39, 1),
+	FUNC("gpio", 1, 39, 1),
+	FUNC("p4led_an", 0, 39, 1),
+};
+
+static struct rt2880_pmx_func p3led_an_grp_mt7628[] = {
+	FUNC("jtag", 3, 40, 1),
+	FUNC("util", 2, 40, 1),
+	FUNC("gpio", 1, 40, 1),
+	FUNC("p3led_an", 0, 40, 1),
+};
+
+static struct rt2880_pmx_func p2led_an_grp_mt7628[] = {
+	FUNC("jtag", 3, 41, 1),
+	FUNC("util", 2, 41, 1),
+	FUNC("gpio", 1, 41, 1),
+	FUNC("p2led_an", 0, 41, 1),
+};
+
+static struct rt2880_pmx_func p1led_an_grp_mt7628[] = {
+	FUNC("jtag", 3, 42, 1),
+	FUNC("util", 2, 42, 1),
+	FUNC("gpio", 1, 42, 1),
+	FUNC("p1led_an", 0, 42, 1),
+};
+
+static struct rt2880_pmx_func p0led_an_grp_mt7628[] = {
+	FUNC("jtag", 3, 43, 1),
+	FUNC("rsvd", 2, 43, 1),
+	FUNC("gpio", 1, 43, 1),
+	FUNC("p0led_an", 0, 43, 1),
+};
+
 static struct rt2880_pmx_func wled_an_grp_mt7628[] = {
-	FUNC("rsvd", 3, 35, 1),
-	FUNC("rsvd", 2, 35, 1),
-	FUNC("gpio", 1, 35, 1),
-	FUNC("wled_an", 0, 35, 1),
+	FUNC("rsvd", 3, 44, 1),
+	FUNC("rsvd", 2, 44, 1),
+	FUNC("gpio", 1, 44, 1),
+	FUNC("wled_an", 0, 44, 1),
 };
 
 #define MT7628_GPIO_MODE_MASK		0x3
 
+#define MT7628_GPIO_MODE_P4LED_KN	58
+#define MT7628_GPIO_MODE_P3LED_KN	56
+#define MT7628_GPIO_MODE_P2LED_KN	54
+#define MT7628_GPIO_MODE_P1LED_KN	52
+#define MT7628_GPIO_MODE_P0LED_KN	50
 #define MT7628_GPIO_MODE_WLED_KN	48
+#define MT7628_GPIO_MODE_P4LED_AN	42
+#define MT7628_GPIO_MODE_P3LED_AN	40
+#define MT7628_GPIO_MODE_P2LED_AN	38
+#define MT7628_GPIO_MODE_P1LED_AN	36
+#define MT7628_GPIO_MODE_P0LED_AN	34
 #define MT7628_GPIO_MODE_WLED_AN	32
 #define MT7628_GPIO_MODE_PWM1		30
 #define MT7628_GPIO_MODE_PWM0		28
@@ -223,9 +303,9 @@ static struct rt2880_pmx_func wled_an_grp_mt7628[] = {
 #define MT7628_GPIO_MODE_GPIO		0
 
 static struct rt2880_pmx_group mt7628an_pinmux_data[] = {
-	GRP_G("pmw1", pwm1_grp_mt7628, MT7628_GPIO_MODE_MASK,
+	GRP_G("pwm1", pwm1_grp_mt7628, MT7628_GPIO_MODE_MASK,
 				1, MT7628_GPIO_MODE_PWM1),
-	GRP_G("pmw0", pwm0_grp_mt7628, MT7628_GPIO_MODE_MASK,
+	GRP_G("pwm0", pwm0_grp_mt7628, MT7628_GPIO_MODE_MASK,
 				1, MT7628_GPIO_MODE_PWM0),
 	GRP_G("uart2", uart2_grp_mt7628, MT7628_GPIO_MODE_MASK,
 				1, MT7628_GPIO_MODE_UART2),
@@ -251,8 +331,28 @@ static struct rt2880_pmx_group mt7628an_pinmux_data[] = {
 				1, MT7628_GPIO_MODE_GPIO),
 	GRP_G("wled_an", wled_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
 				1, MT7628_GPIO_MODE_WLED_AN),
+	GRP_G("p0led_an", p0led_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P0LED_AN),
+	GRP_G("p1led_an", p1led_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P1LED_AN),
+	GRP_G("p2led_an", p2led_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P2LED_AN),
+	GRP_G("p3led_an", p3led_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P3LED_AN),
+	GRP_G("p4led_an", p4led_an_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P4LED_AN),
 	GRP_G("wled_kn", wled_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
 				1, MT7628_GPIO_MODE_WLED_KN),
+	GRP_G("p0led_kn", p0led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P0LED_KN),
+	GRP_G("p1led_kn", p1led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P1LED_KN),
+	GRP_G("p2led_kn", p2led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P2LED_KN),
+	GRP_G("p3led_kn", p3led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P3LED_KN),
+	GRP_G("p4led_kn", p4led_kn_grp_mt7628, MT7628_GPIO_MODE_MASK,
+				1, MT7628_GPIO_MODE_P4LED_KN),
 	{ 0 }
 };
 
@@ -581,11 +681,14 @@ void prom_soc_init(struct ralink_soc_info *soc_info)
 		(rev & CHIP_REV_ECO_MASK));
 
 	cfg0 = __raw_readl(sysc + SYSC_REG_SYSTEM_CONFIG0);
-	if (is_mt76x8())
+	if (is_mt76x8()) {
 		dram_type = cfg0 & DRAM_TYPE_MT7628_MASK;
-	else
+	} else {
 		dram_type = (cfg0 >> SYSCFG0_DRAM_TYPE_SHIFT) &
 			    SYSCFG0_DRAM_TYPE_MASK;
+		if (dram_type == SYSCFG0_DRAM_TYPE_UNKNOWN)
+			dram_type = SYSCFG0_DRAM_TYPE_SDRAM;
+	}
 
 	soc_info->mem_base = MT7620_DRAM_BASE;
 	if (is_mt76x8())
diff --git a/arch/mips/ralink/mt7621.c b/arch/mips/ralink/mt7621.c
index e9b9fa3e1..a45bbbe97 100644
--- a/arch/mips/ralink/mt7621.c
+++ b/arch/mips/ralink/mt7621.c
@@ -4,7 +4,7 @@
  * by the Free Software Foundation.
  *
  * Copyright (C) 2015 Nikolay Martynov <mar.kolya@gmail.com>
- * Copyright (C) 2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2015 John Crispin <john@phrozen.org>
  */
 
 #include <linux/kernel.h>
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index f9eda5d8f..0aa67a2d0 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #include <linux/io.h>
diff --git a/arch/mips/ralink/prom.c b/arch/mips/ralink/prom.c
index 39a9142f7..5a73c5e14 100644
--- a/arch/mips/ralink/prom.c
+++ b/arch/mips/ralink/prom.c
@@ -5,7 +5,7 @@
  *
  *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
  *  Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com>
- *  Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #include <linux/string.h>
diff --git a/arch/mips/ralink/reset.c b/arch/mips/ralink/reset.c
index ee117c4bc..64543d66e 100644
--- a/arch/mips/ralink/reset.c
+++ b/arch/mips/ralink/reset.c
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #include <linux/pm.h>
@@ -61,7 +61,7 @@ static int ralink_reset_device(struct reset_controller_dev *rcdev,
 	return ralink_deassert_device(rcdev, id);
 }
 
-static struct reset_control_ops reset_ops = {
+static const struct reset_control_ops reset_ops = {
 	.reset = ralink_reset_device,
 	.assert = ralink_assert_device,
 	.deassert = ralink_deassert_device,
diff --git a/arch/mips/ralink/rt288x.c b/arch/mips/ralink/rt288x.c
index 3c84166eb..285796e6d 100644
--- a/arch/mips/ralink/rt288x.c
+++ b/arch/mips/ralink/rt288x.c
@@ -7,7 +7,7 @@
  *
  * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #include <linux/kernel.h>
diff --git a/arch/mips/ralink/rt305x.c b/arch/mips/ralink/rt305x.c
index d7c4ba43a..c8a28c4bf 100644
--- a/arch/mips/ralink/rt305x.c
+++ b/arch/mips/ralink/rt305x.c
@@ -7,7 +7,7 @@
  *
  * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #include <linux/kernel.h>
diff --git a/arch/mips/ralink/rt3883.c b/arch/mips/ralink/rt3883.c
index fafec947b..4cef9162b 100644
--- a/arch/mips/ralink/rt3883.c
+++ b/arch/mips/ralink/rt3883.c
@@ -7,7 +7,7 @@
  *
  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
  */
 
 #include <linux/kernel.h>
diff --git a/arch/mips/ralink/timer-gic.c b/arch/mips/ralink/timer-gic.c
index 5b4f186bc..069771dbe 100644
--- a/arch/mips/ralink/timer-gic.c
+++ b/arch/mips/ralink/timer-gic.c
@@ -4,7 +4,7 @@
  * by the Free Software Foundation.
  *
  * Copyright (C) 2015 Nikolay Martynov <mar.kolya@gmail.com>
- * Copyright (C) 2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2015 John Crispin <john@phrozen.org>
  */
 
 #include <linux/init.h>
diff --git a/arch/mips/ralink/timer.c b/arch/mips/ralink/timer.c
index 82c72a15b..b0343ff33 100644
--- a/arch/mips/ralink/timer.c
+++ b/arch/mips/ralink/timer.c
@@ -3,7 +3,7 @@
  * under the terms of the GNU General Public License version 2 as published
  * by the Free Software Foundation.
  *
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
 */
 
 #include <linux/module.h>
@@ -180,5 +180,5 @@ static struct platform_driver rt_timer_driver = {
 module_platform_driver(rt_timer_driver);
 
 MODULE_DESCRIPTION("Ralink RT2880 timer");
-MODULE_AUTHOR("John Crispin <blogic@openwrt.org");
+MODULE_AUTHOR("John Crispin <john@phrozen.org");
 MODULE_LICENSE("GPL");
diff --git a/arch/mips/sgi-ip27/ip27-hubio.c b/arch/mips/sgi-ip27/ip27-hubio.c
index 328ceb3c8..2abe016a0 100644
--- a/arch/mips/sgi-ip27/ip27-hubio.c
+++ b/arch/mips/sgi-ip27/ip27-hubio.c
@@ -105,7 +105,7 @@ static void hub_setup_prb(nasid_t nasid, int prbnum, int credits)
 	prb.iprb_ff = force_fire_and_forget ? 1 : 0;
 
 	/*
-	 * Set the appropriate number of PIO cresits for the widget.
+	 * Set the appropriate number of PIO credits for the widget.
 	 */
 	prb.iprb_xtalkctr = credits;
 
diff --git a/arch/mips/sgi-ip27/ip27-nmi.c b/arch/mips/sgi-ip27/ip27-nmi.c
index a2358b444..cfceaea92 100644
--- a/arch/mips/sgi-ip27/ip27-nmi.c
+++ b/arch/mips/sgi-ip27/ip27-nmi.c
@@ -23,7 +23,7 @@ typedef unsigned long machreg_t;
 static arch_spinlock_t nmi_lock = __ARCH_SPIN_LOCK_UNLOCKED;
 
 /*
- * Lets see what else we need to do here. Set up sp, gp?
+ * Let's see what else we need to do here. Set up sp, gp?
  */
 void nmi_dump(void)
 {
diff --git a/arch/mips/sgi-ip27/ip27-xtalk.c b/arch/mips/sgi-ip27/ip27-xtalk.c
index 20f582a21..4fe5678ba 100644
--- a/arch/mips/sgi-ip27/ip27-xtalk.c
+++ b/arch/mips/sgi-ip27/ip27-xtalk.c
@@ -67,7 +67,7 @@ static int xbow_probe(nasid_t nasid)
 		return -ENODEV;
 
 	/*
-	 * Okay, here's a xbow. Lets arbitrate and find
+	 * Okay, here's a xbow. Let's arbitrate and find
 	 * out if we should initialize it. Set enabled
 	 * hub connected at highest or lowest widget as
 	 * master.
diff --git a/arch/mips/sibyte/Kconfig b/arch/mips/sibyte/Kconfig
index cb9a095f5..707b88441 100644
--- a/arch/mips/sibyte/Kconfig
+++ b/arch/mips/sibyte/Kconfig
@@ -143,7 +143,8 @@ config SIBYTE_CFE_CONSOLE
 config SIBYTE_BUS_WATCHER
 	bool "Support for Bus Watcher statistics"
 	depends on SIBYTE_SB1xxx_SOC && \
-		(SIBYTE_BCM112X || SIBYTE_SB1250)
+		(SIBYTE_BCM112X || SIBYTE_SB1250 || \
+		 SIBYTE_BCM1x55 || SIBYTE_BCM1x80)
 	help
 	  Handle and keep statistics on the bus error interrupts (COR_ECC,
 	  BAD_ECC, IO_BUS).
diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
index a046b3026..160b88000 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -263,7 +263,7 @@ spurious_8259A_irq:
 		static int spurious_irq_mask;
 		/*
 		 * At this point we can be sure the IRQ is spurious,
-		 * lets ACK and report it. [once per IRQ]
+		 * let's ACK and report it. [once per IRQ]
 		 */
 		if (!(spurious_irq_mask & irqmask)) {
 			printk(KERN_DEBUG
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index f37e6ba40..3b4538ec0 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -52,13 +52,17 @@ quiet_cmd_vdsold = VDSO    $@
       cmd_vdsold = $(CC) $(c_flags) $(VDSO_LDFLAGS) \
                    -Wl,-T $(filter %.lds,$^) $(filter %.o,$^) -o $@
 
+# Strip rule for the raw .so files
+$(obj)/%.so.raw: OBJCOPYFLAGS := -S
+$(obj)/%.so.raw: $(obj)/%.so.dbg.raw FORCE
+	$(call if_changed,objcopy)
+
 hostprogs-y := genvdso
 
 quiet_cmd_genvdso = GENVDSO $@
 define cmd_genvdso
-	cp $< $(<:%.dbg=%) && \
-	$(OBJCOPY) -S $< $(<:%.dbg=%) && \
-	$(obj)/genvdso $< $(<:%.dbg=%) $@ $(VDSO_NAME)
+	$(foreach file,$(filter %.raw,$^),cp $(file) $(file:%.raw=%) &&) \
+	$(obj)/genvdso $(<:%.raw=%) $(<:%.dbg.raw=%) $@ $(VDSO_NAME)
 endef
 
 #
@@ -68,7 +72,10 @@ endef
 native-abi := $(filter -mabi=%,$(KBUILD_CFLAGS))
 
 targets += $(obj-vdso-y)
-targets += vdso.lds vdso.so.dbg vdso.so vdso-image.c
+targets += vdso.lds
+targets += vdso.so.dbg.raw vdso.so.raw
+targets += vdso.so.dbg vdso.so
+targets += vdso-image.c
 
 obj-vdso := $(obj-vdso-y:%.o=$(obj)/%.o)
 
@@ -77,10 +84,11 @@ $(obj-vdso): KBUILD_AFLAGS := $(aflags-vdso) $(native-abi)
 
 $(obj)/vdso.lds: KBUILD_CPPFLAGS := $(native-abi)
 
-$(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE
+$(obj)/vdso.so.dbg.raw: $(obj)/vdso.lds $(obj-vdso) FORCE
 	$(call if_changed,vdsold)
 
-$(obj)/vdso-image.c: $(obj)/vdso.so.dbg $(obj)/genvdso FORCE
+$(obj)/vdso-image.c: $(obj)/vdso.so.dbg.raw $(obj)/vdso.so.raw \
+                     $(obj)/genvdso FORCE
 	$(call if_changed,genvdso)
 
 obj-y += vdso-image.o
@@ -91,7 +99,10 @@ obj-y += vdso-image.o
 
 # Define these outside the ifdef to ensure they are picked up by clean.
 targets += $(obj-vdso-y:%.o=%-o32.o)
-targets += vdso-o32.lds vdso-o32.so.dbg vdso-o32.so vdso-o32-image.c
+targets += vdso-o32.lds
+targets += vdso-o32.so.dbg.raw vdso-o32.so.raw
+targets += vdso-o32.so.dbg vdso-o32.so
+targets += vdso-o32-image.c
 
 ifdef CONFIG_MIPS32_O32
 
@@ -111,11 +122,12 @@ $(obj)/vdso-o32.lds: KBUILD_CPPFLAGS := -mabi=32
 $(obj)/vdso-o32.lds: $(src)/vdso.lds.S FORCE
 	$(call if_changed_dep,cpp_lds_S)
 
-$(obj)/vdso-o32.so.dbg: $(obj)/vdso-o32.lds $(obj-vdso-o32) FORCE
+$(obj)/vdso-o32.so.dbg.raw: $(obj)/vdso-o32.lds $(obj-vdso-o32) FORCE
 	$(call if_changed,vdsold)
 
 $(obj)/vdso-o32-image.c: VDSO_NAME := o32
-$(obj)/vdso-o32-image.c: $(obj)/vdso-o32.so.dbg $(obj)/genvdso FORCE
+$(obj)/vdso-o32-image.c: $(obj)/vdso-o32.so.dbg.raw $(obj)/vdso-o32.so.raw \
+                         $(obj)/genvdso FORCE
 	$(call if_changed,genvdso)
 
 obj-y += vdso-o32-image.o
@@ -127,7 +139,10 @@ endif
 #
 
 targets += $(obj-vdso-y:%.o=%-n32.o)
-targets += vdso-n32.lds vdso-n32.so.dbg vdso-n32.so vdso-n32-image.c
+targets += vdso-n32.lds
+targets += vdso-n32.so.dbg.raw vdso-n32.so.raw
+targets += vdso-n32.so.dbg vdso-n32.so
+targets += vdso-n32-image.c
 
 ifdef CONFIG_MIPS32_N32
 
@@ -147,11 +162,12 @@ $(obj)/vdso-n32.lds: KBUILD_CPPFLAGS := -mabi=n32
 $(obj)/vdso-n32.lds: $(src)/vdso.lds.S FORCE
 	$(call if_changed_dep,cpp_lds_S)
 
-$(obj)/vdso-n32.so.dbg: $(obj)/vdso-n32.lds $(obj-vdso-n32) FORCE
+$(obj)/vdso-n32.so.dbg.raw: $(obj)/vdso-n32.lds $(obj-vdso-n32) FORCE
 	$(call if_changed,vdsold)
 
 $(obj)/vdso-n32-image.c: VDSO_NAME := n32
-$(obj)/vdso-n32-image.c: $(obj)/vdso-n32.so.dbg $(obj)/genvdso FORCE
+$(obj)/vdso-n32-image.c: $(obj)/vdso-n32.so.dbg.raw $(obj)/vdso-n32.so.raw \
+                         $(obj)/genvdso FORCE
 	$(call if_changed,genvdso)
 
 obj-y += vdso-n32-image.o
diff --git a/arch/mips/vr41xx/common/cmu.c b/arch/mips/vr41xx/common/cmu.c
index 05302bfdd..89bac9885 100644
--- a/arch/mips/vr41xx/common/cmu.c
+++ b/arch/mips/vr41xx/common/cmu.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2001-2002  MontaVista Software Inc.
  *    Author: Yoichi Yuasa <source@mvista.com>
- *  Copuright (C) 2003-2005  Yoichi Yuasa <yuasa@linux-mips.org>
+ *  Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@linux-mips.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/vr41xx/common/pmu.c b/arch/mips/vr41xx/common/pmu.c
index d7f755833..39a0db3e2 100644
--- a/arch/mips/vr41xx/common/pmu.c
+++ b/arch/mips/vr41xx/common/pmu.c
@@ -73,7 +73,7 @@ static inline void software_reset(void)
 	default:
 		set_c0_status(ST0_BEV | ST0_ERL);
 		change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
-		flush_cache_all();
+		__flush_cache_all();
 		write_c0_wired(0);
 		__asm__("jr	%0"::"r"(0xbfc00000));
 		break;