X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Fpowerpc%2FKconfig;h=18f397ca05efbc27966ee2bfebd50c68dffe0448;hb=ee3db0f2b6053b65f3b70253f5f810d9a3d67b28;hp=ccc5410af996a5cf87a45d6e2eda9a7a97f31df6;hpb=517e22638c282bb07c52a11f928961ed4822196b;p=safe%2Fjmp%2Flinux-2.6 diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index ccc5410..18f397ca 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -4,17 +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. - -config PPC_PM_NEEDS_RTC_LIB - bool - select RTC_LIB - default y if PM +source "arch/powerpc/platforms/Kconfig.cputype" config PPC32 bool @@ -24,6 +14,11 @@ config 64BIT bool default y if PPC64 +config WORD_SIZE + int + default 64 if PPC64 + default 32 if !PPC64 + config PPC_MERGE def_bool y @@ -31,6 +26,18 @@ config MMU bool default y +config GENERIC_CMOS_UPDATE + def_bool y + +config GENERIC_TIME + def_bool y + +config GENERIC_TIME_VSYSCALL + def_bool y + +config GENERIC_CLOCKEVENTS + def_bool y + config GENERIC_HARDIRQS bool default y @@ -66,6 +73,9 @@ config GENERIC_FIND_NEXT_BIT bool default y +config ARCH_NO_VIRT_TO_BUS + def_bool PPC64 + config PPC bool default y @@ -99,6 +109,9 @@ config ARCH_MAY_HAVE_PC_FDC config PPC_OF def_bool y +config OF + def_bool y + config PPC_UDBG_16550 bool default n @@ -118,6 +131,7 @@ config GENERIC_BUG depends on BUG config SYS_SUPPORTS_APM_EMULATION + default y if PMAC_APM_EMU bool config DEFAULT_UIMAGE @@ -131,123 +145,6 @@ 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 @@ -266,131 +163,6 @@ 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 -endmenu - source "init/Kconfig" source "arch/powerpc/platforms/Kconfig" @@ -401,6 +173,7 @@ config HIGHMEM bool "High memory support" depends on PPC32 +source kernel/time/Kconfig source kernel/Kconfig.hz source kernel/Kconfig.preempt source "fs/Kconfig.binfmt" @@ -425,17 +198,29 @@ config MATH_EMULATION unit, which will allow programs that use floating-point instructions to run. +config 8XX_MINIMAL_FPEMU + bool "Minimal math emulation for 8xx" + depends on 8xx && !MATH_EMULATION + help + Older arch/ppc kernels still emulated a few floating point + instructions such as load and store, even when full math + emulation is disabled. Say "Y" here if you want to preserve + this behavior. + + It is recommended that you build a soft-float userspace instead. + config IOMMU_VMERGE - bool "Enable IOMMU virtual merging (EXPERIMENTAL)" - depends on EXPERIMENTAL && PPC64 - default n + bool "Enable IOMMU virtual merging" + depends on PPC64 + default y help Cause IO segments sent to a device for DMA to be merged virtually by the IOMMU when they happen to have been allocated contiguously. This doesn't add pressure to the IOMMU allocator. However, some drivers don't support getting large merged segments coming back - from *_map_sg(). Say Y if you know the drivers you are using are - properly handling this case. + from *_map_sg(). + + Most drivers don't have this problem; it is safe to say Y here. config HOTPLUG_CPU bool "Support for enabling/disabling CPUs" @@ -451,7 +236,7 @@ config ARCH_ENABLE_MEMORY_HOTPLUG config KEXEC bool "kexec system call (EXPERIMENTAL)" - depends on PPC_MULTIPLATFORM && EXPERIMENTAL + depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot @@ -510,6 +295,7 @@ config ARCH_FLATMEM_ENABLE config ARCH_SPARSEMEM_ENABLE def_bool y depends on PPC64 + select SPARSEMEM_VMEMMAP_ENABLE config ARCH_SPARSEMEM_DEFAULT def_bool y @@ -656,11 +442,6 @@ config PPC_INDIRECT_PCI default y if 40x || 44x default n -config PPC_INDIRECT_PCI_BE - bool - depends PPC_INDIRECT_PCI - default n - config EISA bool @@ -670,9 +451,9 @@ config SBUS config FSL_SOC bool -config FSL_PCIE - bool - depends on PPC_86xx +config FSL_PCI + bool + select PPC_INDIRECT_PCI # Yes MCA RS/6000s exist but Linux-PPC does not currently support any config MCA @@ -681,10 +462,10 @@ config MCA config PCI bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ - || MPC7448HPC2 || PPC_PS3 || PPC_HOLLY - default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx \ + || PPC_PS3 + default y if !40x && !CPM2 && !8xx && !PPC_83xx \ && !PPC_85xx && !PPC_86xx - default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS + default PCI_PERMEDIA if !4xx && !CPM2 && !8xx default PCI_QSPAN if !4xx && !CPM2 && 8xx select ARCH_SUPPORTS_MSI help @@ -694,8 +475,10 @@ config PCI infrastructure code to support PCI bus devices. config PCI_DOMAINS - bool - default PCI + def_bool PCI + +config PCI_SYSCALL + def_bool PCI config PCI_QSPAN bool "QSpan PCI" @@ -713,7 +496,7 @@ config PCI_8260 config 8260_PCI9 bool "Enable workaround for MPC826x erratum PCI 9" - depends on PCI_8260 && !ADS8272 + depends on PCI_8260 && !8272 default y choice @@ -817,7 +600,8 @@ config TASK_SIZE_BOOL config TASK_SIZE hex "Size of user task space" if TASK_SIZE_BOOL - default "0x80000000" + default "0x80000000" if PPC_PREP || PPC_8xx + default "0xc0000000" config CONSISTENT_START_BOOL bool "Set custom consistent memory pool address" @@ -829,6 +613,7 @@ config CONSISTENT_START_BOOL config CONSISTENT_START hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL + default "0xfd000000" if (NOT_COHERENT_CACHE && 8xx) default "0xff100000" if NOT_COHERENT_CACHE config CONSISTENT_SIZE_BOOL @@ -884,21 +669,7 @@ source "arch/powerpc/sysdev/qe_lib/Kconfig" source "lib/Kconfig" -menu "Instrumentation Support" - depends on EXPERIMENTAL - -source "arch/powerpc/oprofile/Kconfig" - -config KPROBES - bool "Kprobes (EXPERIMENTAL)" - depends on !BOOKE && !4xx && KALLSYMS && EXPERIMENTAL && MODULES - help - Kprobes allows you to trap at almost any kernel address and - execute a callback function. register_kprobe() establishes - a probepoint and specifies the callback. Kprobes is useful - for kernel debugging, non-intrusive instrumentation and testing. - If in doubt, say "N". -endmenu +source "kernel/Kconfig.instrumentation" source "arch/powerpc/Kconfig.debug" @@ -910,3 +681,11 @@ config KEYS_COMPAT default y source "crypto/Kconfig" + +config PPC_CLOCK + bool + default n + +config PPC_LIB_RHEAP + bool +