diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/Kconfig | 252 | ||||
| -rw-r--r-- | arch/powerpc/platforms/Kconfig.cputype | 252 |
2 files changed, 253 insertions, 251 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 5eaeafd30bdf..12830a77d163 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -4,12 +4,7 @@ mainmenu "Linux/PowerPC Kernel Configuration" -config PPC64 - bool "64-bit kernel" - default n - help - This option selects whether a 32-bit or a 64-bit kernel - will be built. +source "arch/powerpc/platforms/Kconfig.cputype" config PPC_PM_NEEDS_RTC_LIB bool @@ -132,123 +127,6 @@ config PPC64_SWSUSP depends on PPC64 && (BROKEN || (PPC_PMAC64 && EXPERIMENTAL)) default y -menu "Processor support" -choice - prompt "Processor Type" - depends on PPC32 - default 6xx - -config CLASSIC32 - bool "52xx/6xx/7xx/74xx" - select PPC_FPU - select 6xx - help - There are four families of PowerPC chips supported. The more common - types (601, 603, 604, 740, 750, 7400), the Motorola embedded - versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the AMCC - embedded versions (403 and 405) and the high end 64 bit Power - processors (POWER 3, POWER4, and IBM PPC970 also known as G5). - - This option is the catch-all for 6xx types, including some of the - embedded versions. Unless there is see an option for the specific - chip family you are using, you want this option. - - You do not want this if you are building a kernel for a 64 bit - IBM RS/6000 or an Apple G5, choose 6xx. - - If unsure, select this option - - Note that the kernel runs in 32-bit mode even on 64-bit chips. - -config PPC_82xx - bool "Freescale 82xx" - select 6xx - select PPC_FPU - -config PPC_83xx - bool "Freescale 83xx" - select 6xx - select FSL_SOC - select 83xx - select PPC_FPU - select WANT_DEVICE_TREE - -config PPC_85xx - bool "Freescale 85xx" - select E500 - select FSL_SOC - select 85xx - select WANT_DEVICE_TREE - -config PPC_86xx - bool "Freescale 86xx" - select 6xx - select FSL_SOC - select FSL_PCIE - select PPC_FPU - select ALTIVEC - help - The Freescale E600 SoCs have 74xx cores. - -config PPC_8xx - bool "Freescale 8xx" - select FSL_SOC - select 8xx - -config 40x - bool "AMCC 40x" - select PPC_DCR_NATIVE - -config 44x - bool "AMCC 44x" - select PPC_DCR_NATIVE - select WANT_DEVICE_TREE - -config E200 - bool "Freescale e200" - -endchoice - -config POWER4_ONLY - bool "Optimize for POWER4" - depends on PPC64 - default n - ---help--- - Cause the compiler to optimize for POWER4/POWER5/PPC970 processors. - The resulting binary will not work on POWER3 or RS64 processors - when compiled with binutils 2.15 or later. - -config POWER3 - bool - depends on PPC64 - default y if !POWER4_ONLY - -config POWER4 - depends on PPC64 - def_bool y - -config 6xx - bool - -# this is temp to handle compat with arch=ppc -config 8xx - bool - -# this is temp to handle compat with arch=ppc -config 83xx - bool - -# this is temp to handle compat with arch=ppc -config 85xx - bool - -config E500 - bool - -config PPC_FPU - bool - default y if PPC64 - config PPC_DCR_NATIVE bool default n @@ -267,134 +145,6 @@ config PPC_OF_PLATFORM_PCI depends on PPC64 # not supported on 32 bits yet default n -config 4xx - bool - depends on 40x || 44x - default y - -config BOOKE - bool - depends on E200 || E500 || 44x - default y - -config FSL_BOOKE - bool - depends on E200 || E500 - default y - -config PTE_64BIT - bool - depends on 44x || E500 - default y if 44x - default y if E500 && PHYS_64BIT - -config PHYS_64BIT - bool 'Large physical address support' if E500 - depends on 44x || E500 - select RESOURCES_64BIT - default y if 44x - ---help--- - This option enables kernel support for larger than 32-bit physical - addresses. This features is not be available on all e500 cores. - - If in doubt, say N here. - -config ALTIVEC - bool "AltiVec Support" - depends on CLASSIC32 || POWER4 - ---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 SPE - bool "SPE Support" - depends on E200 || E500 - 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 - bool - depends on 6xx || POWER3 || POWER4 || PPC64 - default y - -config PPC_STD_MMU_32 - def_bool y - depends on PPC_STD_MMU && PPC32 - -config PPC_MM_SLICES - bool - default y if HUGETLB_PAGE - default n - -config VIRT_CPU_ACCOUNTING - bool "Deterministic task and CPU time accounting" - depends on PPC64 - default y - help - Select this option to enable more accurate task and CPU time - accounting. This is done by reading a CPU counter on each - kernel entry and exit and on transitions within the kernel - between system, softirq and hardirq state, so there is a - small performance impact. This also enables accounting of - stolen time on logically-partitioned systems running on - IBM POWER5-based machines. - - If in doubt, say Y here. - -config SMP - depends on PPC_STD_MMU - 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 (2-128)" - range 2 128 - depends on SMP - default "32" if PPC64 - default "4" - -config NOT_COHERENT_CACHE - bool - depends on 4xx || 8xx || E200 - default y - -config CONFIG_CHECK_CACHE_COHERENCY - bool -endmenu - source "init/Kconfig" source "arch/powerpc/platforms/Kconfig" diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype new file mode 100644 index 000000000000..597272ee9ddc --- /dev/null +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -0,0 +1,252 @@ +config PPC64 + bool "64-bit kernel" + default n + 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 + default 6xx + +config CLASSIC32 + bool "52xx/6xx/7xx/74xx" + select PPC_FPU + select 6xx + help + There are four families of PowerPC chips supported. The more common + types (601, 603, 604, 740, 750, 7400), the Motorola embedded + versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the AMCC + embedded versions (403 and 405) and the high end 64 bit Power + processors (POWER 3, POWER4, and IBM PPC970 also known as G5). + + This option is the catch-all for 6xx types, including some of the + embedded versions. Unless there is see an option for the specific + chip family you are using, you want this option. + + You do not want this if you are building a kernel for a 64 bit + IBM RS/6000 or an Apple G5, choose 6xx. + + If unsure, select this option + + Note that the kernel runs in 32-bit mode even on 64-bit chips. + +config PPC_82xx + bool "Freescale 82xx" + select 6xx + select PPC_FPU + +config PPC_83xx + bool "Freescale 83xx" + select 6xx + select FSL_SOC + select 83xx + select PPC_FPU + select WANT_DEVICE_TREE + +config PPC_85xx + bool "Freescale 85xx" + select E500 + select FSL_SOC + select 85xx + select WANT_DEVICE_TREE + +config PPC_86xx + bool "Freescale 86xx" + select 6xx + select FSL_SOC + select FSL_PCIE + select PPC_FPU + select ALTIVEC + help + The Freescale E600 SoCs have 74xx cores. + +config PPC_8xx + bool "Freescale 8xx" + select FSL_SOC + select 8xx + +config 40x + bool "AMCC 40x" + select PPC_DCR_NATIVE + +config 44x + bool "AMCC 44x" + select PPC_DCR_NATIVE + select WANT_DEVICE_TREE + +config E200 + bool "Freescale e200" + +endchoice + +config POWER4_ONLY + bool "Optimize for POWER4" + depends on PPC64 + default n + ---help--- + Cause the compiler to optimize for POWER4/POWER5/PPC970 processors. + The resulting binary will not work on POWER3 or RS64 processors + when compiled with binutils 2.15 or later. + +config POWER3 + bool + depends on PPC64 + default y if !POWER4_ONLY + +config POWER4 + depends on PPC64 + def_bool y + +config 6xx + bool + +# this is temp to handle compat with arch=ppc +config 8xx + bool + +# this is temp to handle compat with arch=ppc +config 83xx + bool + +# this is temp to handle compat with arch=ppc +config 85xx + bool + +config E500 + bool + +config PPC_FPU + bool + default y if PPC64 + +config 4xx + bool + depends on 40x || 44x + default y + +config BOOKE + bool + depends on E200 || E500 || 44x + default y + +config FSL_BOOKE + bool + depends on E200 || E500 + default y + +config PTE_64BIT + bool + depends on 44x || E500 + default y if 44x + default y if E500 && PHYS_64BIT + +config PHYS_64BIT + bool 'Large physical address support' if E500 + depends on 44x || E500 + select RESOURCES_64BIT + default y if 44x + ---help--- + This option enables kernel support for larger than 32-bit physical + addresses. This features is not be available on all e500 cores. + + If in doubt, say N here. + +config ALTIVEC + bool "AltiVec Support" + depends on CLASSIC32 || POWER4 + ---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 SPE + bool "SPE Support" + depends on E200 || E500 + 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 + bool + depends on 6xx || POWER3 || POWER4 || PPC64 + default y + +config PPC_STD_MMU_32 + def_bool y + depends on PPC_STD_MMU && PPC32 + +config PPC_MM_SLICES + bool + default y if HUGETLB_PAGE + default n + +config VIRT_CPU_ACCOUNTING + bool "Deterministic task and CPU time accounting" + depends on PPC64 + default y + help + Select this option to enable more accurate task and CPU time + accounting. This is done by reading a CPU counter on each + kernel entry and exit and on transitions within the kernel + between system, softirq and hardirq state, so there is a + small performance impact. This also enables accounting of + stolen time on logically-partitioned systems running on + IBM POWER5-based machines. + + If in doubt, say Y here. + +config SMP + depends on PPC_STD_MMU + 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 (2-128)" + range 2 128 + depends on SMP + default "32" if PPC64 + default "4" + +config NOT_COHERENT_CACHE + bool + depends on 4xx || 8xx || E200 + default y + +config CONFIG_CHECK_CACHE_COHERENCY + bool + +endmenu |