diff options
Diffstat (limited to 'arch/powerpc/platforms/Kconfig.cputype')
| -rw-r--r-- | arch/powerpc/platforms/Kconfig.cputype | 67 |
1 files changed, 53 insertions, 14 deletions
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index a429d859f15d..f4e2c5729374 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 config PPC64 bool "64-bit kernel" - default n select ZLIB_DEFLATE help This option selects whether a 32-bit or a 64-bit kernel @@ -61,7 +60,7 @@ choice 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 ...) + (POWER5, 970, POWER5+, POWER6, POWER7, POWER8, POWER9 ...) The other are the "embedded" processors compliant with the "Book 3E" variant of the architecture @@ -72,9 +71,9 @@ config PPC_BOOK3S_64 select PPC_HAVE_PMU_SUPPORT select SYS_SUPPORTS_HUGETLBFS select HAVE_ARCH_TRANSPARENT_HUGEPAGE + select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE select ARCH_SUPPORTS_NUMA_BALANCING select IRQ_WORK - select HAVE_KERNEL_XZ config PPC_BOOK3E_64 bool "Embedded processors" @@ -86,8 +85,6 @@ endchoice choice prompt "CPU selection" - depends on PPC64 - default POWER8_CPU if CPU_LITTLE_ENDIAN default GENERIC_CPU help This will create a kernel which is optimised for a particular CPU. @@ -96,17 +93,22 @@ choice If unsure, select Generic. config GENERIC_CPU - bool "Generic" - depends on !CPU_LITTLE_ENDIAN + bool "Generic (POWER4 and above)" + depends on PPC64 && !CPU_LITTLE_ENDIAN + +config GENERIC_CPU + bool "Generic (POWER8 and above)" + depends on PPC64 && CPU_LITTLE_ENDIAN + select ARCH_HAS_FAST_MULTIPLIER + +config GENERIC_CPU + bool "Generic 32 bits powerpc" + depends on PPC32 && !PPC_8xx 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 @@ -125,6 +127,11 @@ config POWER8_CPU depends on PPC_BOOK3S_64 select ARCH_HAS_FAST_MULTIPLIER +config POWER9_CPU + bool "POWER9" + depends on PPC_BOOK3S_64 + select ARCH_HAS_FAST_MULTIPLIER + config E5500_CPU bool "Freescale e5500" depends on E500 @@ -133,8 +140,37 @@ config E6500_CPU bool "Freescale e6500" depends on E500 +config 860_CPU + bool "8xx family" + depends on PPC_8xx + +config E300C2_CPU + bool "e300c2 (832x)" + depends on PPC_BOOK3S_32 + +config E300C3_CPU + bool "e300c3 (831x)" + depends on PPC_BOOK3S_32 + endchoice +config TARGET_CPU_BOOL + bool + default !GENERIC_CPU + +config TARGET_CPU + string + depends on TARGET_CPU_BOOL + default "cell" if CELL_CPU + default "power5" if POWER5_CPU + default "power6" if POWER6_CPU + default "power7" if POWER7_CPU + default "power8" if POWER8_CPU + default "power9" if POWER9_CPU + default "860" if 860_CPU + default "e300c2" if E300C2_CPU + default "e300c3" if E300C3_CPU + config PPC_BOOK3S def_bool y depends on PPC_BOOK3S_32 || PPC_BOOK3S_64 @@ -217,6 +253,7 @@ config PTE_64BIT config PHYS_64BIT bool 'Large physical address support' if E500 || PPC_86xx depends on (44x || E500 || PPC_86xx) && !PPC_83xx && !PPC_82xx + select PHYS_ADDR_T_64BIT ---help--- This option enables kernel support for larger than 32-bit physical addresses. This feature may not be available on all cores. @@ -287,6 +324,10 @@ config PPC_STD_MMU_32 def_bool y depends on PPC_STD_MMU && PPC32 +config ARCH_ENABLE_SPLIT_PMD_PTLOCK + def_bool y + depends on PPC_BOOK3S_64 + config PPC_RADIX_MMU bool "Radix MMU Support" depends on PPC_BOOK3S_64 @@ -326,7 +367,7 @@ config PPC_BOOK3E_MMU config PPC_MM_SLICES bool default y if PPC_BOOK3S_64 - default n + default y if PPC_8xx && HUGETLB_PAGE config PPC_HAVE_PMU_SUPPORT bool @@ -340,7 +381,6 @@ config PPC_PERF_CTRS config FORCE_SMP # Allow platforms to force SMP=y by selecting this bool - default n select SMP config SMP @@ -381,7 +421,6 @@ config CHECK_CACHE_COHERENCY config PPC_DOORBELL bool - default n endmenu |