diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 201 |
1 files changed, 86 insertions, 115 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 34e1569a1..4f799e567 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -2,6 +2,7 @@ config ARM bool default y select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE + select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAVE_CUSTOM_GPIO_H @@ -20,6 +21,7 @@ config ARM select GENERIC_ALLOCATOR select GENERIC_ATOMIC64 if (CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI) select GENERIC_CLOCKEVENTS_BROADCAST if SMP + select GENERIC_EARLY_IOREMAP select GENERIC_IDLE_POLL_SETUP select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW @@ -33,19 +35,20 @@ config ARM select HARDIRQS_SW_RESEND select HAVE_ARCH_AUDITSYSCALL if (AEABI && !OABI_COMPAT) select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6 - select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 - select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 + select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU + select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU + select HAVE_ARCH_MMAP_RND_BITS if MMU select HAVE_ARCH_SECCOMP_FILTER if (AEABI && !OABI_COMPAT) select HAVE_ARCH_TRACEHOOK + select HAVE_ARM_SMCCC if CPU_V7 select HAVE_BPF_JIT select HAVE_CC_STACKPROTECTOR select HAVE_CONTEXT_TRACKING select HAVE_C_RECORDMCOUNT select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_API_DEBUG - select HAVE_DMA_ATTRS select HAVE_DMA_CONTIGUOUS if MMU - select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) && !CPU_ENDIAN_BE32 + select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) && !CPU_ENDIAN_BE32 && MMU select HAVE_EFFICIENT_UNALIGNED_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && MMU select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL) select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL) @@ -164,11 +167,6 @@ config STACKTRACE_SUPPORT bool default y -config HAVE_LATENCYTOP_SUPPORT - bool - depends on !SMP - default y - config LOCKDEP_SUPPORT bool default y @@ -241,7 +239,6 @@ config ARM_PATCH_PHYS_VIRT bool "Patch physical to virtual translations at runtime" if EMBEDDED default y depends on !XIP_KERNEL && MMU - depends on !ARCH_REALVIEW || !SPARSEMEM help Patch phys-to-virt and virt-to-phys translation functions at boot and module load time according to the position of the @@ -308,13 +305,21 @@ config MMU Select if you want MMU-based virtualised addressing space support by paged memory management. If unsure, say 'Y'. +config ARCH_MMAP_RND_BITS_MIN + default 8 + +config ARCH_MMAP_RND_BITS_MAX + default 14 if PAGE_OFFSET=0x40000000 + default 15 if PAGE_OFFSET=0x80000000 + default 16 + # # The "ARM system type" choice list is ordered alphabetically by option # text. Please add new entries in the option alphabetic order. # choice prompt "ARM system type" - default ARCH_VERSATILE if !MMU + default ARM_SINGLE_ARMV7M if !MMU default ARCH_MULTIPLATFORM if MMU config ARCH_MULTIPLATFORM @@ -346,38 +351,6 @@ config ARM_SINGLE_ARMV7M select SPARSE_IRQ select USE_OF -config ARCH_REALVIEW - bool "ARM Ltd. RealView family" - select ARCH_WANT_OPTIONAL_GPIOLIB - select ARM_AMBA - select ARM_TIMER_SP804 - select COMMON_CLK - select COMMON_CLK_VERSATILE - select GENERIC_CLOCKEVENTS - select GPIO_PL061 if GPIOLIB - select ICST - select NEED_MACH_MEMORY_H - select PLAT_VERSATILE - select PLAT_VERSATILE_SCHED_CLOCK - help - This enables support for ARM Ltd RealView boards. - -config ARCH_VERSATILE - bool "ARM Ltd. Versatile family" - select ARCH_WANT_OPTIONAL_GPIOLIB - select ARM_AMBA - select ARM_TIMER_SP804 - select ARM_VIC - select CLKDEV_LOOKUP - select GENERIC_CLOCKEVENTS - select HAVE_MACH_CLKDEV - select ICST - select PLAT_VERSATILE - select PLAT_VERSATILE_CLOCK - select PLAT_VERSATILE_SCHED_CLOCK - select VERSATILE_FPGA_IRQ - help - This enables support for ARM Ltd Versatile board. config ARCH_CLPS711X bool "Cirrus Logic CLPS711x/EP721x/EP731x-based" @@ -512,55 +485,15 @@ config ARCH_DOVE select CPU_PJ4 select GENERIC_CLOCKEVENTS select MIGHT_HAVE_PCI + select MULTI_IRQ_HANDLER select MVEBU_MBUS select PINCTRL select PINCTRL_DOVE select PLAT_ORION_LEGACY - help - Support for the Marvell Dove SoC 88AP510 - -config ARCH_MV78XX0 - bool "Marvell MV78xx0" - select ARCH_REQUIRE_GPIOLIB - select CPU_FEROCEON - select GENERIC_CLOCKEVENTS - select MVEBU_MBUS - select PCI - select PLAT_ORION_LEGACY - help - Support for the following Marvell MV78xx0 series SoCs: - MV781x0, MV782x0. - -config ARCH_ORION5X - bool "Marvell Orion" - depends on MMU - select ARCH_REQUIRE_GPIOLIB - select CPU_FEROCEON - select GENERIC_CLOCKEVENTS - select MVEBU_MBUS - select PCI - select PLAT_ORION_LEGACY - select MULTI_IRQ_HANDLER - help - Support for the following Marvell Orion 5x series SoCs: - Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182), - Orion-2 (5281), Orion-1-90 (6183). - -config ARCH_MMP - bool "Marvell PXA168/910/MMP2" - depends on MMU - select ARCH_REQUIRE_GPIOLIB - select CLKDEV_LOOKUP - select GENERIC_ALLOCATOR - select GENERIC_CLOCKEVENTS - select GPIO_PXA - select IRQ_DOMAIN - select MULTI_IRQ_HANDLER - select PINCTRL - select PLAT_PXA select SPARSE_IRQ + select PM_GENERIC_DOMAINS if PM help - Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line. + Support for the Marvell Dove SoC 88AP510 config ARCH_KS8695 bool "Micrel/Kendin KS8695" @@ -611,6 +544,7 @@ config ARCH_PXA select AUTO_ZRELADDR select COMMON_CLK select CLKDEV_LOOKUP + select CLKSRC_PXA select CLKSRC_MMIO select CLKSRC_OF select GENERIC_CLOCKEVENTS @@ -650,6 +584,8 @@ config ARCH_SA1100 select ARCH_SPARSEMEM_ENABLE select CLKDEV_LOOKUP select CLKSRC_MMIO + select CLKSRC_PXA + select CLKSRC_OF if OF select CPU_FREQ select CPU_SA1100 select GENERIC_CLOCKEVENTS @@ -682,32 +618,6 @@ config ARCH_S3C24XX (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the Samsung SMDK2410 development board (and derivatives). -config ARCH_S3C64XX - bool "Samsung S3C64XX" - select ARCH_REQUIRE_GPIOLIB - select ARM_AMBA - select ARM_VIC - select ATAGS - select CLKDEV_LOOKUP - select CLKSRC_SAMSUNG_PWM - select COMMON_CLK_SAMSUNG - select CPU_V6K - select GENERIC_CLOCKEVENTS - select GPIO_SAMSUNG - select HAVE_S3C2410_I2C if I2C - select HAVE_S3C2410_WATCHDOG if WATCHDOG - select HAVE_TCM - select NO_IOPORT_MAP - select PLAT_SAMSUNG - select PM_GENERIC_DOMAINS if PM - select S3C_DEV_NAND - select S3C_GPIO_TRACK - select SAMSUNG_ATAGS - select SAMSUNG_WAKEMASK - select SAMSUNG_WDT_RESET - help - Samsung S3C64XX series based systems - config ARCH_DAVINCI bool "TI DaVinci" select ARCH_HAS_HOLES_MEMORYMODEL @@ -796,9 +706,11 @@ config ARCH_MULTI_CPU_AUTO endmenu config ARCH_VIRT - bool "Dummy Virtual Machine" if ARCH_MULTI_V7 + bool "Dummy Virtual Machine" + depends on ARCH_MULTI_V7 select ARM_AMBA select ARM_GIC + select ARM_GIC_V2M if PCI_MSI select ARM_GIC_V3 select ARM_PSCI select HAVE_ARM_ARCH_TIMER @@ -918,6 +830,8 @@ source "arch/arm/mach-sunxi/Kconfig" source "arch/arm/mach-prima2/Kconfig" +source "arch/arm/mach-tango/Kconfig" + source "arch/arm/mach-tegra/Kconfig" source "arch/arm/mach-u300/Kconfig" @@ -1422,7 +1336,7 @@ config BIG_LITTLE config BL_SWITCHER bool "big.LITTLE switcher support" - depends on BIG_LITTLE && MCPM && HOTPLUG_CPU + depends on BIG_LITTLE && MCPM && HOTPLUG_CPU && ARM_GIC select ARM_CPU_SUSPEND select CPU_PM help @@ -1481,7 +1395,7 @@ config HOTPLUG_CPU config ARM_PSCI bool "Support for the ARM Power State Coordination Interface (PSCI)" - depends on CPU_V7 + depends on HAVE_ARM_SMCCC select ARM_PSCI_FW help Say Y here if you want Linux to communicate with system firmware @@ -1604,6 +1518,24 @@ config THUMB2_AVOID_R_ARM_THM_JUMP11 config ARM_ASM_UNIFIED bool +config ARM_PATCH_IDIV + bool "Runtime patch udiv/sdiv instructions into __aeabi_{u}idiv()" + depends on CPU_32v7 && !XIP_KERNEL + default y + help + The ARM compiler inserts calls to __aeabi_idiv() and + __aeabi_uidiv() when it needs to perform division on signed + and unsigned integers. Some v7 CPUs have support for the sdiv + and udiv instructions that can be used to implement those + functions. + + Enabling this option allows the kernel to modify itself to + replace the first two instructions of these library functions + with the sdiv or udiv plus "bx lr" instructions when the CPU + it is running on supports them. Typically this will be faster + and less power intensive than running the original library + code to do integer division. + config AEABI bool "Use the ARM EABI to compile the kernel" help @@ -1800,6 +1732,25 @@ config SWIOTLB config IOMMU_HELPER def_bool SWIOTLB +config PARAVIRT + bool "Enable paravirtualization code" + help + This changes the kernel so it can modify itself when it is run + under a hypervisor, potentially improving performance significantly + over full virtualization. + +config PARAVIRT_TIME_ACCOUNTING + bool "Paravirtual steal time accounting" + select PARAVIRT + default n + help + Select this option to enable fine granularity task steal time + accounting. Time spent executing other tasks in parallel with + the current vCPU is discounted from the vCPU power. To account for + that, there can be a small performance impact. + + If in doubt, say N here. + config XEN_DOM0 def_bool y depends on XEN @@ -1813,6 +1764,7 @@ config XEN select ARCH_DMA_ADDR_T_64BIT select ARM_PSCI select SWIOTLB_XEN + select PARAVIRT help Say Y if you want to run Linux in a Virtual Machine on Xen on ARM. @@ -2040,6 +1992,25 @@ config AUTO_ZRELADDR 0xf8000000. This assumes the zImage being placed in the first 128MB from start of memory. +config EFI_STUB + bool + +config EFI + bool "UEFI runtime support" + depends on OF && !CPU_BIG_ENDIAN && MMU && AUTO_ZRELADDR && !XIP_KERNEL + select UCS2_STRING + select EFI_PARAMS_FROM_FDT + select EFI_STUB + select EFI_ARMSTUB + select EFI_RUNTIME_WRAPPERS + ---help--- + This option provides support for runtime services provided + by UEFI firmware (such as non-volatile variables, realtime + clock, and platform reset). A UEFI stub is also provided to + allow the kernel to be booted as an EFI application. This + is only useful for kernels that may run on systems that have + UEFI firmware. + endmenu menu "CPU Power Management" |