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
+
config PPC32
bool
default y if !PPC64
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
default y if PPC32 && SMP
default n
+config AUDIT_ARCH
+ bool
+ default y
+
+config GENERIC_BUG
+ bool
+ default y
+ depends on BUG
+
+#
+# Powerpc uses the slab allocator to manage its ptes and the
+# page structs of ptes are used for splitting the page table
+# lock for configurations supporting more than SPLIT_PTLOCK_CPUS.
+#
+# In that special configuration the page structs of slabs are modified.
+# This setting disables the selection of SLUB as a slab allocator.
+#
+config ARCH_USES_SLAB_PAGE_STRUCT
+ bool
+ default y
+ depends on SPLIT_PTLOCK_CPUS <= NR_CPUS
+
config DEFAULT_UIMAGE
bool
help
default 6xx
config CLASSIC32
- bool "6xx/7xx/74xx"
+ bool "52xx/6xx/7xx/74xx"
select PPC_FPU
select 6xx
help
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
- 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 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"
-
-config 8xx
- bool "Freescale 8xx"
+ select PPC_DCR_NATIVE
config E200
bool "Freescale e200"
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
bool
default y if PPC64
+config PPC_DCR_NATIVE
+ bool
+ default n
+
+config PPC_DCR_MMIO
+ bool
+ default n
+
+config PPC_DCR
+ bool
+ depends on PPC_DCR_NATIVE || PPC_DCR_MMIO
+ default y
+
+config PPC_OF_PLATFORM_PCI
+ bool
+ depends on PPC64 # not supported on 32 bits yet
+ default n
+
config BOOKE
bool
depends on E200 || E500
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
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 PPC_ISERIES
- bool "IBM Legacy iSeries"
- depends on PPC64
-
-config EMBEDDED6xx
- bool "Embedded 6xx/7xx/7xxx-based board"
- depends on PPC32 && BROKEN
-
-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 PPC_PSERIES
- depends on PPC_MULTIPLATFORM && PPC64
- bool "IBM pSeries & new (POWER5-based) iSeries"
- select PPC_I8259
- select PPC_RTAS
- select RTAS_ERROR_LOGGING
- select PPC_UDBG_16550
- default y
-
-config PPC_CHRP
- bool "Common Hardware Reference Platform (CHRP) based machines"
- depends on PPC_MULTIPLATFORM && PPC32
- select PPC_I8259
- select PPC_INDIRECT_PCI
- select PPC_RTAS
- select PPC_MPC106
- select PPC_UDBG_16550
- default y
-
-config PPC_PMAC
- bool "Apple PowerMac based machines"
- depends on PPC_MULTIPLATFORM
- select PPC_INDIRECT_PCI if PPC32
- select PPC_MPC106 if PPC32
- default y
-
-config PPC_PMAC64
- bool
- depends on PPC_PMAC && POWER4
- 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 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 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 informations, refer to <http://www.970eval.com>
-
-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
-
-config XICS
- depends on PPC_PSERIES
- bool
- default y
-
-config U3_DART
- bool
- depends on PPC_MULTIPLATFORM && PPC64
- default n
-
-config MPIC
- depends on PPC_PSERIES || PPC_PMAC || PPC_MAPLE || PPC_CHRP
- bool
- default y
-
-config PPC_RTAS
- bool
- default n
-
-config RTAS_ERROR_LOGGING
- 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
- bool
- 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
- bool
- 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 && PMAC_SMU && 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 arch/powerpc/platforms/embedded6xx/Kconfig
-source arch/powerpc/platforms/4xx/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
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
- but it is indepedent of the system firmware. And like a reboot
+ but it is independent of the system firmware. And like a reboot
you can start any kernel with it, not just Linux.
- The name comes from the similiarity to the exec system call.
+ The name comes from the similarity to the exec system call.
It is an ongoing process to be certain the hardware in a machine
is properly shutdown, so do not be surprised if this code does not
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
-
-source "mm/Kconfig"
+ depends on (SMP && PPC_PSERIES) || PPC_PS3
-config HAVE_ARCH_EARLY_PFN_TO_NID
+config ARCH_POPULATES_NODE_MAP
def_bool y
- depends on NEED_MULTIPLE_NODES
+
+source "mm/Kconfig"
config ARCH_MEMORY_PROBE
def_bool y
depends on MEMORY_HOTPLUG
+# Some NUMA nodes have memory ranges that span
+# other nodes. Even though a pfn is valid and
+# between a node's start and end pfns, it may not
+# reside on that node. See memmap_init_zone()
+# for details.
+config NODES_SPAN_OTHER_NODES
+ def_bool y
+ depends on NEED_MULTIPLE_NODES
+
config PPC_64K_PAGES
bool "64k page size"
depends on PPC64
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 PPC_I8259
+config GENERIC_ISA_DMA
bool
- default y if MPC8641_HPCN
- 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 FSL_SOC
bool
+config FSL_PCIE
+ bool
+ depends on PPC_86xx
+
# Yes MCA RS/6000s exist but Linux-PPC does not currently support any
config MCA
bool
config PCI
- bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx || PPC_MPC52xx || (EMBEDDED && PPC_ISERIES)
- default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx && !PPC_85xx && !PPC_86xx
+ 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_85xx && !PPC_86xx
default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS
default PCI_QSPAN if !4xx && !CPM2 && 8xx
help
depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
help
This option allows you to set the base virtual address
- of the the consistent memory pool. This pool of virtual
+ of the consistent memory pool. This pool of virtual
memory is used to make consistent memory allocations.
config CONSISTENT_START
bool "Set custom consistent memory pool size"
depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
help
- This option allows you to set the size of the the
+ This option allows you to set the size of the
consistent memory pool. This pool of virtual memory
is used to make consistent memory allocations.
# XXX source "arch/ppc/8260_io/Kconfig"
-source "arch/powerpc/platforms/iseries/Kconfig"
+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 PPC64 && 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