aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/Kconfig')
-rw-r--r--arch/powerpc/Kconfig103
1 files changed, 77 insertions, 26 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index dbd9d3c991e..80b94b0add1 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -85,9 +85,12 @@ config GENERIC_HWEIGHT
config PPC
bool
default y
+ select ARCH_MIGHT_HAVE_PC_PARPORT
+ select ARCH_MIGHT_HAVE_PC_SERIO
select BINFMT_ELF
select OF
select OF_EARLY_FLATTREE
+ select OF_RESERVED_MEM
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_DYNAMIC_FTRACE
select HAVE_FUNCTION_TRACER
@@ -97,7 +100,7 @@ config PPC
select VIRT_TO_BUS if !PPC64
select HAVE_IDE
select HAVE_IOREMAP_PROT
- select HAVE_EFFICIENT_UNALIGNED_ACCESS
+ select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_LITTLE_ENDIAN
select HAVE_KPROBES
select HAVE_ARCH_KGDB
select HAVE_KRETPROBES
@@ -106,7 +109,6 @@ config PPC
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_DMA_ATTRS
select HAVE_DMA_API_DEBUG
- select USE_GENERIC_SMP_HELPERS if SMP
select HAVE_OPROFILE
select HAVE_DEBUG_KMEMLEAK
select GENERIC_ATOMIC64 if PPC32
@@ -114,7 +116,6 @@ config PPC
select HAVE_PERF_EVENTS
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64
- select HAVE_GENERIC_HARDIRQS
select ARCH_WANT_IPC_PARSE_VERSION
select SPARSE_IRQ
select IRQ_DOMAIN
@@ -130,6 +131,8 @@ config PPC
select GENERIC_CMOS_UPDATE
select GENERIC_TIME_VSYSCALL_OLD
select GENERIC_CLOCKEVENTS
+ select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+ select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select HAVE_MOD_ARCH_SPECIFIC
@@ -139,11 +142,22 @@ config PPC
select OLD_SIGSUSPEND
select OLD_SIGACTION if PPC32
select HAVE_DEBUG_STACKOVERFLOW
+ select HAVE_IRQ_EXIT_ON_IRQ_STACK
+ select ARCH_USE_CMPXCHG_LOCKREF if PPC64
+ select HAVE_ARCH_AUDITSYSCALL
+ select ARCH_SUPPORTS_ATOMIC_RMW
+
+config GENERIC_CSUM
+ def_bool CPU_LITTLE_ENDIAN
config EARLY_PRINTK
bool
default y
+config PANIC_TIMEOUT
+ int
+ default 180
+
config COMPAT
bool
default y if PPC64
@@ -206,9 +220,6 @@ config DEFAULT_UIMAGE
Used to allow a board to specify it wants a uImage built by default
default n
-config REDBOOT
- bool
-
config ARCH_HIBERNATION_POSSIBLE
bool
default y
@@ -312,10 +323,32 @@ config MATH_EMULATION
such as fsqrt on cores that do have an FPU but do not implement
them (such as Freescale BookE).
+choice
+ prompt "Math emulation options"
+ default MATH_EMULATION_FULL
+ depends on MATH_EMULATION
+
+config MATH_EMULATION_FULL
+ bool "Emulate all the floating point instructions"
+ ---help---
+ Select this option will enable the kernel to support to emulate
+ all the floating point instructions. If your SoC doesn't have
+ a FPU, you should select this.
+
+config MATH_EMULATION_HW_UNIMPLEMENTED
+ bool "Just emulate the FPU unimplemented instructions"
+ ---help---
+ Select this if you know there does have a hardware FPU on your
+ SoC, but some floating point instructions are not implemented by that.
+
+endchoice
+
config PPC_TRANSACTIONAL_MEM
bool "Transactional Memory support for POWERPC"
depends on PPC_BOOK3S_64
depends on SMP
+ select ALTIVEC
+ select VSX
default n
---help---
Support user-mode Transactional Memory on POWERPC.
@@ -356,6 +389,12 @@ config ARCH_HAS_WALK_MEMORY
config ARCH_ENABLE_MEMORY_HOTREMOVE
def_bool y
+config PPC64_SUPPORTS_MEMORY_FAILURE
+ bool "Add support for memory hwpoison"
+ depends on PPC_BOOK3S_64
+ default "y" if PPC_POWERNV
+ select ARCH_SUPPORTS_MEMORY_FAILURE
+
config KEXEC
bool "kexec system call"
depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP))
@@ -369,15 +408,14 @@ config KEXEC
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
- initially work for you. It may help to enable device hotplugging
- support. As of this writing the exact hardware interface is
- strongly in flux, so no good recommendation can be made.
+ initially work for you. As of this writing the exact hardware
+ interface is strongly in flux, so no good recommendation can be
+ made.
config CRASH_DUMP
bool "Build a kdump crash kernel"
depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP)
- select RELOCATABLE if PPC64 || 44x
- select DYNAMIC_MEMSTART if FSL_BOOKE
+ select RELOCATABLE if (PPC64 && !COMPILE_TEST) || 44x || FSL_BOOKE
help
Build a kernel suitable for use as a kdump capture kernel.
The same kernel binary can be used as production kernel and dump
@@ -385,7 +423,7 @@ config CRASH_DUMP
config FA_DUMP
bool "Firmware-assisted dump"
- depends on PPC64 && PPC_RTAS && CRASH_DUMP
+ depends on PPC64 && PPC_RTAS && CRASH_DUMP && KEXEC
help
A robust mechanism to get reliable kernel crash dump with
assistance from firmware. This approach does not use kexec,
@@ -398,7 +436,7 @@ config FA_DUMP
config IRQ_ALL_CPUS
bool "Distribute interrupts on all CPUs by default"
- depends on SMP && !MV64360
+ depends on SMP
help
This option gives the kernel permission to distribute IRQs across
multiple CPUs. Saying N here will route all IRQs to the first
@@ -416,6 +454,14 @@ config NODES_SHIFT
default "4"
depends on NEED_MULTIPLE_NODES
+config USE_PERCPU_NUMA_NODE_ID
+ def_bool y
+ depends on NUMA
+
+config HAVE_MEMORYLESS_NODES
+ def_bool y
+ depends on NUMA
+
config ARCH_SELECT_MEMORY_MODEL
def_bool y
depends on PPC64
@@ -501,6 +547,7 @@ config PPC_16K_PAGES
config PPC_64K_PAGES
bool "64k page size" if 44x || PPC_STD_MMU_64 || PPC_BOOK3E_64
+ depends on !PPC_FSL_BOOK3E
select PPC_HAS_HASH_64K if PPC_STD_MMU_64
config PPC_256K_PAGES
@@ -584,6 +631,15 @@ config CMDLINE
some command-line options at build time by entering them here. In
most cases you will need to specify the root device here.
+config CMDLINE_FORCE
+ bool "Always use the default kernel command string"
+ depends on CMDLINE_BOOL
+ help
+ Always use the default kernel command string, even if the boot
+ loader passes other arguments to the kernel.
+ This is useful if you cannot or don't want to change the
+ command-line options your boot loader passes to the kernel.
+
config EXTRA_TARGETS
string "Additional default image types"
help
@@ -702,10 +758,6 @@ config FSL_LBC
controller. Also contains some common code used by
drivers for specific local bus peripherals.
-config FSL_IFC
- bool
- depends on FSL_SOC
-
config FSL_GTM
bool
depends on PPC_83xx || QUICC_ENGINE || CPM2
@@ -727,7 +779,6 @@ config PCI
default y if !40x && !CPM2 && !8xx && !PPC_83xx \
&& !PPC_85xx && !PPC_86xx && !GAMECUBE_COMMON
default PCI_QSPAN if !4xx && !CPM2 && 8xx
- select ARCH_SUPPORTS_MSI
select GENERIC_PCI_IOMAP
help
Find out whether your system includes a PCI bus. PCI is the name of
@@ -768,7 +819,7 @@ config HAS_RAPIDIO
default n
config RAPIDIO
- bool "RapidIO support"
+ tristate "RapidIO support"
depends on HAS_RAPIDIO || PCI
help
If you say Y here, the kernel will include drivers and
@@ -776,7 +827,7 @@ config RAPIDIO
config FSL_RIO
bool "Freescale Embedded SRIO Controller support"
- depends on RAPIDIO && HAS_RAPIDIO
+ depends on RAPIDIO = y && HAS_RAPIDIO
default "n"
---help---
Include support for RapidIO controller on Freescale embedded
@@ -859,7 +910,7 @@ config DYNAMIC_MEMSTART
config RELOCATABLE
bool "Build a relocatable kernel"
- depends on ADVANCED_OPTIONS && FLATMEM && 44x
+ depends on ADVANCED_OPTIONS && FLATMEM && (44x || FSL_BOOKE)
select NONSTATIC_KERNEL
help
This builds a kernel image that is capable of running at the
@@ -967,6 +1018,7 @@ endmenu
if PPC64
config RELOCATABLE
bool "Build a relocatable kernel"
+ depends on !COMPILE_TEST
select NONSTATIC_KERNEL
help
This builds a kernel image that is capable of running anywhere
@@ -979,6 +1031,7 @@ config RELOCATABLE
must live at a different physical address than the primary
kernel.
+# This value must have zeroes in the bottom 60 bits otherwise lots will break
config PAGE_OFFSET
hex
default "0xc000000000000000"
@@ -990,6 +1043,9 @@ config PHYSICAL_START
default "0x00000000"
endif
+config ARCH_RANDOM
+ def_bool n
+
source "net/Kconfig"
source "drivers/Kconfig"
@@ -1011,11 +1067,6 @@ config KEYS_COMPAT
source "crypto/Kconfig"
-config PPC_CLOCK
- bool
- default n
- select HAVE_CLK
-
config PPC_LIB_RHEAP
bool