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 PPC32
bool
bool
default y
+config ARCH_HAS_ILOG2_U32
+ bool
+ default y
+
+config ARCH_HAS_ILOG2_U64
+ bool
+ default y if 64BIT
+
config GENERIC_HWEIGHT
bool
default y
config ARCH_MAY_HAVE_PC_FDC
bool
- default y
+ default !PPC_PSERIES || PCI
config PPC_OF
def_bool y
bool
default y
-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 "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).
-
- Unless you are building a kernel for one of the embedded processor
- systems, 64 bit IBM RS/6000 or an Apple G5, choose 6xx.
- Note that the kernel runs in 32-bit mode even on 64-bit chips.
-
-config PPC_52xx
- bool "Freescale 52xx"
- select 6xx
- select PPC_FPU
-
-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 PPC_FPU
- select ALTIVEC
- help
- The Freescale E600 SoCs have 74xx cores.
-
-config 40x
- bool "AMCC 40x"
-
-config 44x
- bool "AMCC 44x"
-
-config 8xx
- bool "Freescale 8xx"
-
-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
+config GENERIC_BUG
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 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 BOOKE
- bool
- depends on E200 || E500
- default y
-
-config FSL_BOOKE
- bool
- depends on E200 || E500
default y
+ depends on BUG
-config PTE_64BIT
+config SYS_SUPPORTS_APM_EMULATION
+ default y if PMAC_APM_EMU
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
- 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"
-
-menu "Platform support"
- depends on PPC64 || CLASSIC32
-
-choice
- prompt "Machine type"
- default PPC_MULTIPLATFORM
-
-config PPC_MULTIPLATFORM
- bool "Generic desktop/server/laptop"
- help
- Select this option if configuring for an IBM pSeries or
- RS/6000 machine, an Apple machine, or a PReP, CHRP,
- Maple or Cell-based machine.
-
-config EMBEDDED6xx
- bool "Embedded 6xx/7xx/7xxx-based board"
- depends on PPC32 && (BROKEN||BROKEN_ON_SMP)
-
-config APUS
- bool "Amiga-APUS"
- depends on PPC32 && BROKEN
- help
- Select APUS if configuring for a PowerUP Amiga.
- More information is available at:
- <http://linux-apus.sourceforge.net/>.
-endchoice
-
-config QUICC_ENGINE
- bool
- depends on PPC_MPC836x || PPC_MPC832x
- default y
- help
- The QUICC Engine (QE) is a new generation of communications
- coprocessors on Freescale embedded CPUs (akin to CPM in older chips).
- Selecting this option means that you wish to build a kernel
- for a machine with a QE coprocessor.
-
-config PPC_PSERIES
- depends on PPC_MULTIPLATFORM && PPC64
- bool "IBM pSeries & new (POWER5-based) iSeries"
- select MPIC
- select PPC_I8259
- select PPC_RTAS
- select RTAS_ERROR_LOGGING
- select PPC_UDBG_16550
- default y
-
-config PPC_ISERIES
- bool "IBM Legacy iSeries"
- depends on PPC_MULTIPLATFORM && PPC64
-
-config PPC_CHRP
- bool "Common Hardware Reference Platform (CHRP) based machines"
- depends on PPC_MULTIPLATFORM && PPC32
- select MPIC
- select PPC_I8259
- select PPC_INDIRECT_PCI
- select PPC_RTAS
- select PPC_MPC106
- select PPC_UDBG_16550
- default y
-
-config PPC_EFIKA
- bool "bPlan Efika 5k2. MPC5200B based computer"
- depends on PPC_MULTIPLATFORM && PPC32
- select PPC_RTAS
- select RTAS_PROC
- select PPC_MPC52xx
- default y
-config PPC_PMAC
- bool "Apple PowerMac based machines"
- depends on PPC_MULTIPLATFORM
- select MPIC
- select PPC_INDIRECT_PCI if PPC32
- select PPC_MPC106 if PPC32
- default y
-
-config PPC_PMAC64
+config DEFAULT_UIMAGE
bool
- depends on PPC_PMAC && POWER4
- select MPIC
- select U3_DART
- select MPIC_BROKEN_U3
- select GENERIC_TBSYNC
- select PPC_970_NAP
- default y
-
-config PPC_PREP
- bool "PowerPC Reference Platform (PReP) based machines"
- depends on PPC_MULTIPLATFORM && PPC32 && BROKEN
- select MPIC
- select PPC_I8259
- select PPC_INDIRECT_PCI
- select PPC_UDBG_16550
- default y
-
-config PPC_MAPLE
- depends on PPC_MULTIPLATFORM && PPC64
- bool "Maple 970FX Evaluation Board"
- select MPIC
- select U3_DART
- select MPIC_BROKEN_U3
- select GENERIC_TBSYNC
- select PPC_UDBG_16550
- select PPC_970_NAP
- default n
help
- This option enables support for the Maple 970FX Evaluation Board.
- For more information, refer to <http://www.970eval.com>
-
-config PPC_PASEMI
- depends on PPC_MULTIPLATFORM && PPC64
- bool "PA Semi SoC-based platforms"
- default n
- select MPIC
- select PPC_UDBG_16550
- select GENERIC_TBSYNC
- help
- This option enables support for PA Semi's PWRficient line
- of SoC processors, including PA6T-1682M
-
-config PPC_CELL
- bool
- default n
-
-config PPC_CELL_NATIVE
- bool
- select PPC_CELL
- default n
-
-config PPC_IBM_CELL_BLADE
- bool "IBM Cell Blade"
- depends on PPC_MULTIPLATFORM && PPC64
- select PPC_CELL_NATIVE
- select PPC_RTAS
- select MMIO_NVRAM
- select PPC_UDBG_16550
- select UDBG_RTAS_CONSOLE
-
-config UDBG_RTAS_CONSOLE
- bool "RTAS based debug console"
- depends on PPC_RTAS
+ Used to allow a board to specify it wants a uImage built by default
default n
-config XICS
- depends on PPC_PSERIES
+config PPC64_SWSUSP
bool
+ depends on PPC64 && (BROKEN || (PPC_PMAC64 && EXPERIMENTAL))
default y
-config U3_DART
- bool
- depends on PPC_MULTIPLATFORM && PPC64
- default n
-
-config PPC_RTAS
+config PPC_DCR_NATIVE
bool
default n
-config RTAS_ERROR_LOGGING
+config PPC_DCR_MMIO
bool
- depends on PPC_RTAS
default n
-config RTAS_PROC
- bool "Proc interface to RTAS"
- depends on PPC_RTAS
- default y
-
-config RTAS_FLASH
- tristate "Firmware flash interface"
- depends on PPC64 && RTAS_PROC
-
-config MMIO_NVRAM
- bool
- default n
-
-config MPIC_BROKEN_U3
- bool
- depends on PPC_MAPLE
- default y
-
-config IBMVIO
- depends on PPC_PSERIES || PPC_ISERIES
+config PPC_DCR
bool
+ depends on PPC_DCR_NATIVE || PPC_DCR_MMIO
default y
-config IBMEBUS
- depends on PPC_PSERIES
- bool "Support for GX bus based adapters"
- help
- Bus device driver for GX bus based adapters.
-
-config PPC_MPC106
- bool
- default n
-
-config PPC_970_NAP
+config PPC_OF_PLATFORM_PCI
bool
+ depends on PPC64 # not supported on 32 bits yet
default n
-source "drivers/cpufreq/Kconfig"
-
-config CPU_FREQ_PMAC
- bool "Support for Apple PowerBooks"
- depends on CPU_FREQ && ADB_PMU && PPC32
- select CPU_FREQ_TABLE
- help
- This adds support for frequency switching on Apple PowerBooks,
- this currently includes some models of iBook & Titanium
- PowerBook.
-
-config CPU_FREQ_PMAC64
- bool "Support for some Apple G5s"
- depends on CPU_FREQ && PPC64
- select CPU_FREQ_TABLE
- help
- This adds support for frequency switching on Apple iMac G5,
- and some of the more recent desktop G5 machines as well.
-
-config PPC601_SYNC_FIX
- bool "Workarounds for PPC601 bugs"
- depends on 6xx && (PPC_PREP || PPC_PMAC)
- help
- Some versions of the PPC601 (the first PowerPC chip) have bugs which
- mean that extra synchronization instructions are required near
- certain instructions, typically those that make major changes to the
- CPU state. These extra instructions reduce performance slightly.
- If you say N here, these extra instructions will not be included,
- resulting in a kernel which will run faster but may not run at all
- on some systems with the PPC601 chip.
-
- If in doubt, say Y here.
-
-config TAU
- bool "On-chip CPU temperature sensor support"
- depends on 6xx
- help
- G3 and G4 processors have an on-chip temperature sensor called the
- 'Thermal Assist Unit (TAU)', which, in theory, can measure the on-die
- temperature within 2-4 degrees Celsius. This option shows the current
- on-die temperature in /proc/cpuinfo if the cpu supports it.
-
- Unfortunately, on some chip revisions, this sensor is very inaccurate
- and in many cases, does not work at all, so don't assume the cpu
- temp is actually what /proc/cpuinfo says it is.
-
-config TAU_INT
- bool "Interrupt driven TAU driver (DANGEROUS)"
- depends on TAU
- ---help---
- The TAU supports an interrupt driven mode which causes an interrupt
- whenever the temperature goes out of range. This is the fastest way
- to get notified the temp has exceeded a range. With this option off,
- a timer is used to re-check the temperature periodically.
-
- However, on some cpus it appears that the TAU interrupt hardware
- is buggy and can cause a situation which would lead unexplained hard
- lockups.
-
- Unless you are extending the TAU driver, or enjoy kernel/hardware
- debugging, leave this option off.
-
-config TAU_AVERAGE
- bool "Average high and low temp"
- depends on TAU
- ---help---
- The TAU hardware can compare the temperature to an upper and lower
- bound. The default behavior is to show both the upper and lower
- bound in /proc/cpuinfo. If the range is large, the temperature is
- either changing a lot, or the TAU hardware is broken (likely on some
- G4's). If the range is small (around 4 degrees), the temperature is
- relatively stable. If you say Y here, a single temperature value,
- halfway between the upper and lower bounds, will be reported in
- /proc/cpuinfo.
-
- If in doubt, say N here.
-
-endmenu
+source "init/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
-source arch/powerpc/platforms/cell/Kconfig
+source "arch/powerpc/platforms/Kconfig"
menu "Kernel options"
config MATH_EMULATION
bool "Math emulation"
- depends on 4xx || 8xx || E200 || E500
+ depends on 4xx || 8xx || E200 || PPC_MPC832x || E500
---help---
Some PowerPC chips designed for embedded applications do not have
a floating-point unit and therefore do not implement the
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.
-source "arch/powerpc/platforms/pseries/Kconfig"
-
config NUMA
bool "NUMA support"
depends on PPC64
config ARCH_SPARSEMEM_DEFAULT
def_bool y
- depends on (SMP && PPC_PSERIES) || PPC_CELL
+ depends on (SMP && PPC_PSERIES) || PPC_PS3
config ARCH_POPULATES_NODE_MAP
def_bool y
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"
an image of the device tree that the kernel copies from Open
Firmware or other boot firmware. If unsure, say Y here.
-source "arch/powerpc/platforms/prep/Kconfig"
-
config CMDLINE_BOOL
bool "Default bootloader kernel arguments"
- depends on !PPC_ISERIES
config CMDLINE
string "Initial kernel command string"
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
have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If
you have an embedded board, consult your board documentation.
-config GENERIC_ISA_DMA
+config ZONE_DMA
bool
- depends on PPC64 || POWER4 || 6xx && !CPM2
default y
-config MPIC
- bool
- default n
-
-config MPIC_WEIRD
- bool
- default n
-
-config PPC_I8259
+config GENERIC_ISA_DMA
bool
- default n
+ depends on PPC64 || POWER4 || 6xx && !CPM2
+ default y
config PPC_INDIRECT_PCI
bool
default y if 40x || 44x
default n
+config PPC_INDIRECT_PCI_BE
+ bool
+ depends PPC_INDIRECT_PCI
+ default n
+
config EISA
bool
config PCI
bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \
- || PPC_MPC52xx || (EMBEDDED && PPC_ISERIES) || MPC7448HPC2
- default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx \
+ || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \
+ || 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
source "arch/powerpc/sysdev/qe_lib/Kconfig"
-source "arch/powerpc/platforms/iseries/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 PPC64 && KALLSYMS && EXPERIMENTAL && MODULES
+ 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