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
bool
default y
+config ARCH_NO_VIRT_TO_BUS
+ def_bool PPC64
+
config PPC
bool
default y
config PPC_OF
def_bool y
+config OF
+ def_bool y
+
config PPC_UDBG_16550
bool
default n
default y
depends on BUG
+config SYS_SUPPORTS_APM_EMULATION
+ default y if PMAC_APM_EMU
+ bool
+
config DEFAULT_UIMAGE
bool
help
Used to allow a board to specify it wants a uImage built by default
default n
-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
-
-config PPC_85xx
- bool "Freescale 85xx"
- select E500
- select FSL_SOC
- select 85xx
-
-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
-
-
-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
+config PPC64_SWSUSP
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
+ depends on PPC64 && (BROKEN || (PPC_PMAC64 && EXPERIMENTAL))
+ default y
config PPC_DCR_NATIVE
bool
depends on PPC64 # not supported on 32 bits yet
default n
-config BOOKE
- bool
- depends on E200 || E500
- 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 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"
-source arch/powerpc/platforms/embedded6xx/Kconfig
-source arch/powerpc/platforms/4xx/Kconfig
-source arch/powerpc/platforms/82xx/Kconfig
-source arch/powerpc/platforms/83xx/Kconfig
-source arch/powerpc/platforms/85xx/Kconfig
-source arch/powerpc/platforms/86xx/Kconfig
-source arch/powerpc/platforms/8xx/Kconfig
-
menu "Kernel options"
config HIGHMEM
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
Don't change this unless you know what you are doing.
-config EMBEDDEDBOOT
- bool
- depends on 8xx || 8260
- default y
-
-config PC_KEYBOARD
- bool "PC PS/2 style Keyboard"
- depends on 4xx || CPM2
-
config PPCBUG_NVRAM
bool "Enable reading PPCBUG NVRAM during boot" if PPLUS || LOPEC
default y if PPC_PREP
CPU. Generally saying Y is safe, although some problems have been
reported with SMP Power Macintoshes with this option enabled.
-
config NUMA
bool "NUMA support"
depends on PPC64
def_bool y
depends on NEED_MULTIPLE_NODES
+config PPC_HAS_HASH_64K
+ bool
+ depends on PPC64
+ default n
+
config PPC_64K_PAGES
bool "64k page size"
depends on PPC64
+ select PPC_HAS_HASH_64K
help
This option changes the kernel logical page size to 64k. On machines
- without processor support for 64k pages, the kernel will simulate
- them by loading each individual 4k page on demand transparently,
- while on hardware with such support, it will be used to map
- normal application pages.
+ without processor support for 64k pages, the kernel will simulate
+ them by loading each individual 4k page on demand transparently,
+ while on hardware with such support, it will be used to map
+ normal application pages.
config SCHED_SMT
bool "SMT (Hyperthreading) scheduler support"
If unsure, say Y. Only embedded should say N here.
+config WANT_DEVICE_TREE
+ bool
+ default n
+
+config DEVICE_TREE
+ string "Static device tree source file"
+ depends on WANT_DEVICE_TREE
+ help
+ This specifies the device tree source (.dts) file to be
+ compiled and included when building the bootwrapper. If a
+ relative filename is given, then it will be relative to
+ arch/powerpc/boot/dts. If you are not using the bootwrapper,
+ or do not need to build a dts into the bootwrapper, this
+ field is ignored.
+
+ For example, this is required when building a cuImage target
+ for an older U-Boot, which cannot pass a device tree itself.
+ Such a kernel will not work with a newer U-Boot that tries to
+ pass a device tree (unless you tell it not to). If your U-Boot
+ does not mention a device tree in "help bootm", then use the
+ cuImage target and specify a device tree here. Otherwise, use
+ the uImage target and leave this field blank.
+
endmenu
config ISA_DMA_API
depends on PPC64 || POWER4 || 6xx && !CPM2
default y
-config MPIC
- bool
- default n
-
-config MPIC_WEIRD
- bool
- default n
-
-config PPC_I8259
- bool
- default n
-
config PPC_INDIRECT_PCI
bool
depends on PCI
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
config PCI
bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \
|| PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \
- || MPC7448HPC2 || PPC_PS3
- 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
Find out whether your system includes a PCI bus. PCI is the name of
a bus system, i.e. the way the CPU talks to the other stuff inside
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"
source "arch/powerpc/sysdev/qe_lib/Kconfig"
-
source "lib/Kconfig"
menu "Instrumentation Support"
- depends on EXPERIMENTAL
+ depends on EXPERIMENTAL
source "arch/powerpc/oprofile/Kconfig"
config KPROBES
- bool "Kprobes (EXPERIMENTAL)"
- depends on !BOOKE && !4xx && KALLSYMS && EXPERIMENTAL && MODULES
+ bool "Kprobes"
+ depends on !BOOKE && !4xx && KALLSYMS && MODULES
help
Kprobes allows you to trap at almost any kernel address and
execute a callback function. register_kprobe() establishes
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff