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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/powerpc/platforms/Kconfig.cputype
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+config PPC64
+ bool "64-bit kernel"
+ default n
+ select HAVE_VIRT_CPU_ACCOUNTING
+ select ZLIB_DEFLATE
+ help
+ This option selects whether a 32-bit or a 64-bit kernel
+ will be built.
+
+menu "Processor support"
+choice
+ prompt "Processor Type"
+ depends on PPC32
+ help
+ There are five families of 32 bit PowerPC chips supported.
+ The most common ones are the desktop and server CPUs (601, 603,
+ 604, 740, 750, 74xx) CPUs from Freescale and IBM, with their
+ embedded 512x/52xx/82xx/83xx/86xx counterparts.
+ The other embedded parts, namely 4xx, 8xx, e200 (55xx) and e500
+ (85xx) each form a family of their own that is not compatible
+ with the others.
+
+ If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx.
+
+config PPC_BOOK3S_32
+ bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx"
+ select PPC_FPU
+
+config PPC_85xx
+ bool "Freescale 85xx"
+ select E500
+
+config PPC_8xx
+ bool "Freescale 8xx"
+ select FSL_SOC
+ select 8xx
+ select PPC_LIB_RHEAP
+
+config 40x
+ bool "AMCC 40x"
+ select PPC_DCR_NATIVE
+ select PPC_UDBG_16550
+ select 4xx_SOC
+ select PPC_PCI_CHOICE
+
+config 44x
+ bool "AMCC 44x, 46x or 47x"
+ select PPC_DCR_NATIVE
+ select PPC_UDBG_16550
+ select 4xx_SOC
+ select PPC_PCI_CHOICE
+ select PHYS_64BIT
+
+config E200
+ bool "Freescale e200"
+
+endchoice
+
+choice
+ prompt "Processor Type"
+ depends on PPC64
+ help
+ There are two families of 64 bit PowerPC chips supported.
+ The most common ones are the desktop and server CPUs
+ (POWER4, POWER5, 970, POWER5+, POWER6, POWER7, POWER8 ...)
+
+ The other are the "embedded" processors compliant with the
+ "Book 3E" variant of the architecture
+
+config PPC_BOOK3S_64
+ bool "Server processors"
+ select PPC_FPU
+ select PPC_HAVE_PMU_SUPPORT
+ select SYS_SUPPORTS_HUGETLBFS
+ select HAVE_ARCH_TRANSPARENT_HUGEPAGE if PPC_64K_PAGES
+ select ARCH_SUPPORTS_NUMA_BALANCING
+ select IRQ_WORK
+
+config PPC_BOOK3E_64
+ bool "Embedded processors"
+ select PPC_FPU # Make it a choice ?
+ select PPC_SMP_MUXED_IPI
+ select PPC_DOORBELL
+
+endchoice
+
+choice
+ prompt "CPU selection"
+ depends on PPC64
+ default GENERIC_CPU
+ help
+ This will create a kernel which is optimised for a particular CPU.
+ The resulting kernel may not run on other CPUs, so use this with care.
+
+ If unsure, select Generic.
+
+config GENERIC_CPU
+ bool "Generic"
+ depends on !CPU_LITTLE_ENDIAN
+
+config CELL_CPU
+ bool "Cell Broadband Engine"
+ depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
+
+config POWER4_CPU
+ bool "POWER4"
+ depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
+
+config POWER5_CPU
+ bool "POWER5"
+ depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
+
+config POWER6_CPU
+ bool "POWER6"
+ depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
+
+config POWER7_CPU
+ bool "POWER7"
+ depends on PPC_BOOK3S_64
+ select ARCH_HAS_FAST_MULTIPLIER
+
+config POWER8_CPU
+ bool "POWER8"
+ depends on PPC_BOOK3S_64
+ select ARCH_HAS_FAST_MULTIPLIER
+
+config E5500_CPU
+ bool "Freescale e5500"
+ depends on E500
+
+config E6500_CPU
+ bool "Freescale e6500"
+ depends on E500
+
+endchoice
+
+config PPC_BOOK3S
+ def_bool y
+ depends on PPC_BOOK3S_32 || PPC_BOOK3S_64
+
+config PPC_BOOK3E
+ def_bool y
+ depends on PPC_BOOK3E_64
+
+config 6xx
+ def_bool y
+ depends on PPC32 && PPC_BOOK3S
+ select PPC_HAVE_PMU_SUPPORT
+
+config TUNE_CELL
+ bool "Optimize for Cell Broadband Engine"
+ depends on PPC64 && PPC_BOOK3S
+ help
+ Cause the compiler to optimize for the PPE of the Cell Broadband
+ Engine. This will make the code run considerably faster on Cell
+ but somewhat slower on other machines. This option only changes
+ the scheduling of instructions, not the selection of instructions
+ itself, so the resulting kernel will keep running on all other
+ machines.
+
+# this is temp to handle compat with arch=ppc
+config 8xx
+ bool
+
+config E500
+ select FSL_EMB_PERFMON
+ select PPC_FSL_BOOK3E
+ bool
+
+config PPC_E500MC
+ bool "e500mc Support"
+ select PPC_FPU
+ select COMMON_CLK
+ depends on E500
+ help
+ This must be enabled for running on e500mc (and derivatives
+ such as e5500/e6500), and must be disabled for running on
+ e500v1 or e500v2.
+
+config PPC_FPU
+ bool
+ default y if PPC64
+
+config FSL_EMB_PERFMON
+ bool "Freescale Embedded Perfmon"
+ depends on E500 || PPC_83xx
+ help
+ This is the Performance Monitor support found on the e500 core
+ and some e300 cores (c3 and c4). Select this only if your
+ core supports the Embedded Performance Monitor APU
+
+config FSL_EMB_PERF_EVENT
+ bool
+ depends on FSL_EMB_PERFMON && PERF_EVENTS && !PPC_PERF_CTRS
+ default y
+
+config FSL_EMB_PERF_EVENT_E500
+ bool
+ depends on FSL_EMB_PERF_EVENT && E500
+ default y
+
+config 4xx
+ bool
+ depends on 40x || 44x
+ default y
+
+config BOOKE
+ bool
+ depends on E200 || E500 || 44x || PPC_BOOK3E
+ default y
+
+config FSL_BOOKE
+ bool
+ depends on (E200 || E500) && PPC32
+ default y
+
+# this is for common code between PPC32 & PPC64 FSL BOOKE
+config PPC_FSL_BOOK3E
+ bool
+ select FSL_EMB_PERFMON
+ select PPC_SMP_MUXED_IPI
+ select SYS_SUPPORTS_HUGETLBFS if PHYS_64BIT || PPC64
+ select PPC_DOORBELL
+ default y if FSL_BOOKE
+
+config PTE_64BIT
+ bool
+ depends on 44x || E500 || PPC_86xx
+ default y if PHYS_64BIT
+
+config PHYS_64BIT
+ bool 'Large physical address support' if E500 || PPC_86xx
+ depends on (44x || E500 || PPC_86xx) && !PPC_83xx && !PPC_82xx
+ ---help---
+ This option enables kernel support for larger than 32-bit physical
+ addresses. This feature may not be available on all cores.
+
+ If you have more than 3.5GB of RAM or so, you also need to enable
+ SWIOTLB under Kernel Options for this to work. The actual number
+ is platform-dependent.
+
+ If in doubt, say N here.
+
+config ALTIVEC
+ bool "AltiVec Support"
+ depends on 6xx || PPC_BOOK3S_64 || (PPC_E500MC && PPC64)
+ ---help---
+ This option enables kernel support for the Altivec extensions to the
+ PowerPC processor. The kernel currently supports saving and restoring
+ altivec registers, and turning on the 'altivec enable' bit so user
+ processes can execute altivec instructions.
+
+ This option is only usefully if you have a processor that supports
+ altivec (G4, otherwise known as 74xx series), but does not have
+ any affect on a non-altivec cpu (it does, however add code to the
+ kernel).
+
+ If in doubt, say Y here.
+
+config VSX
+ bool "VSX Support"
+ depends on PPC_BOOK3S_64 && ALTIVEC && PPC_FPU
+ ---help---
+
+ This option enables kernel support for the Vector Scaler extensions
+ to the PowerPC processor. The kernel currently supports saving and
+ restoring VSX registers, and turning on the 'VSX enable' bit so user
+ processes can execute VSX instructions.
+
+ This option is only useful if you have a processor that supports
+ VSX (P7 and above), but does not have any affect on a non-VSX
+ CPUs (it does, however add code to the kernel).
+
+ If in doubt, say Y here.
+
+config PPC_ICSWX
+ bool "Support for PowerPC icswx coprocessor instruction"
+ depends on PPC_BOOK3S_64
+ default n
+ ---help---
+
+ This option enables kernel support for the PowerPC Initiate
+ Coprocessor Store Word (icswx) coprocessor instruction on POWER7
+ or newer processors.
+
+ This option is only useful if you have a processor that supports
+ the icswx coprocessor instruction. It does not have any effect
+ on processors without the icswx coprocessor instruction.
+
+ This option slightly increases kernel memory usage.
+
+ If in doubt, say N here.
+
+config PPC_ICSWX_PID
+ bool "icswx requires direct PID management"
+ depends on PPC_ICSWX
+ default y
+ ---help---
+ The PID register in server is used explicitly for ICSWX. In
+ embedded systems PID management is done by the system.
+
+config PPC_ICSWX_USE_SIGILL
+ bool "Should a bad CT cause a SIGILL?"
+ depends on PPC_ICSWX
+ default n
+ ---help---
+ Should a bad CT used for "non-record form ICSWX" cause an
+ illegal instruction signal or should it be silent as
+ architected.
+
+ If in doubt, say N here.
+
+config SPE_POSSIBLE
+ def_bool y
+ depends on E200 || (E500 && !PPC_E500MC)
+
+config SPE
+ bool "SPE Support"
+ depends on SPE_POSSIBLE
+ default y
+ ---help---
+ This option enables kernel support for the Signal Processing
+ Extensions (SPE) to the PowerPC processor. The kernel currently
+ supports saving and restoring SPE registers, and turning on the
+ 'spe enable' bit so user processes can execute SPE instructions.
+
+ This option is only useful if you have a processor that supports
+ SPE (e500, otherwise known as 85xx series), but does not have any
+ effect on a non-spe cpu (it does, however add code to the kernel).
+
+ If in doubt, say Y here.
+
+config PPC_STD_MMU
+ def_bool y
+ depends on PPC_BOOK3S
+
+config PPC_STD_MMU_32
+ def_bool y
+ depends on PPC_STD_MMU && PPC32
+
+config PPC_STD_MMU_64
+ def_bool y
+ depends on PPC_STD_MMU && PPC64
+
+config PPC_MMU_NOHASH
+ def_bool y
+ depends on !PPC_STD_MMU
+
+config PPC_BOOK3E_MMU
+ def_bool y
+ depends on FSL_BOOKE || PPC_BOOK3E
+
+config PPC_MM_SLICES
+ bool
+ default y if (!PPC_FSL_BOOK3E && PPC64 && HUGETLB_PAGE) || (PPC_STD_MMU_64 && PPC_64K_PAGES)
+ default n
+
+config PPC_HAVE_PMU_SUPPORT
+ bool
+
+config PPC_PERF_CTRS
+ def_bool y
+ depends on PERF_EVENTS && PPC_HAVE_PMU_SUPPORT
+ help
+ This enables the powerpc-specific perf_event back-end.
+
+config SMP
+ depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE || PPC_47x
+ bool "Symmetric multi-processing support"
+ ---help---
+ This enables support for systems with more than one CPU. If you have
+ a system with only one CPU, say N. If you have a system with more
+ than one CPU, say Y. Note that the kernel does not currently
+ support SMP machines with 603/603e/603ev or PPC750 ("G3") processors
+ since they have inadequate hardware support for multiprocessor
+ operation.
+
+ If you say N here, the kernel will run on single and multiprocessor
+ machines, but will use only one CPU of a multiprocessor machine. If
+ you say Y here, the kernel will run on single-processor machines.
+ On a single-processor machine, the kernel will run faster if you say
+ N here.
+
+ If you don't know what to do here, say N.
+
+config NR_CPUS
+ int "Maximum number of CPUs (2-8192)"
+ range 2 8192
+ depends on SMP
+ default "32" if PPC64
+ default "4"
+
+config NOT_COHERENT_CACHE
+ bool
+ depends on 4xx || 8xx || E200 || PPC_MPC512x || GAMECUBE_COMMON
+ default n if PPC_47x
+ default y
+
+config CHECK_CACHE_COHERENCY
+ bool
+
+config PPC_DOORBELL
+ bool
+ default n
+
+endmenu
+
+choice
+ prompt "Endianness selection"
+ default CPU_BIG_ENDIAN
+ help
+ This option selects whether a big endian or little endian kernel will
+ be built.
+
+config CPU_BIG_ENDIAN
+ bool "Build big endian kernel"
+ help
+ Build a big endian kernel.
+
+ If unsure, select this option.
+
+config CPU_LITTLE_ENDIAN
+ bool "Build little endian kernel"
+ select PPC64_BOOT_WRAPPER
+ help
+ Build a little endian kernel.
+
+ Note that if cross compiling a little endian kernel,
+ CROSS_COMPILE must point to a toolchain capable of targeting
+ little endian powerpc.
+
+endchoice
+
+config PPC64_BOOT_WRAPPER
+ def_bool n
+ depends on CPU_LITTLE_ENDIAN