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authorJohn Stultz <john.stultz@linaro.org>2011-07-25 09:58:06 -0700
committerJohn Stultz <john.stultz@linaro.org>2011-07-25 09:58:06 -0700
commit21a602b5cdc203cbcf8bbeeb26edeb3de7c65955 (patch)
tree8618b4a8882f78076a779ebb416b54332cc213db /arch/arm/Kconfig
parent1a3807e5a6bea7e4b195fbb399bbc09e73230d4c (diff)
parent81f6236c4811b2b2b3ea64a306c071f76788ac4b (diff)
Merge branch 'upstream/linaro-3.0' into linaro-android-3.0linux-linaro-3.0-2011.07-1-android-0
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig46
1 files changed, 45 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9adc278a22a..f38e275bea3 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -10,7 +10,7 @@ config ARM
select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI)
select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
select HAVE_ARCH_KGDB
- select HAVE_KPROBES if (!XIP_KERNEL && !THUMB2_KERNEL)
+ select HAVE_KPROBES if !XIP_KERNEL
select HAVE_KRETPROBES if (HAVE_KPROBES)
select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)
@@ -1344,6 +1344,31 @@ config SMP_ON_UP
If you don't know what to do here, say Y.
+config ARM_CPU_TOPOLOGY
+ bool "Support cpu topology definition"
+ depends on SMP && CPU_V7
+ default y
+ help
+ Support ARM cpu topology definition. The MPIDR register defines
+ affinity between processors which is then used to describe the cpu
+ topology of an ARM System.
+
+config SCHED_MC
+ bool "Multi-core scheduler support"
+ depends on ARM_CPU_TOPOLOGY
+ help
+ Multi-core scheduler support improves the CPU scheduler's decision
+ making when dealing with multi-core CPU chips at a cost of slightly
+ increased overhead in some places. If unsure say N here.
+
+config SCHED_SMT
+ bool "SMT scheduler support"
+ depends on ARM_CPU_TOPOLOGY
+ help
+ Improves the CPU scheduler's decision making when dealing with
+ MultiThreading at a cost of slightly increased overhead in some
+ places. If unsure say N here.
+
config HAVE_ARM_SCU
bool
depends on SMP
@@ -1727,6 +1752,25 @@ config ZBOOT_ROM_MMCIF
which in turn loads the rest the kernel image to RAM using the
MMCIF hardware block.
+config ARM_APPENDED_DTB
+ bool "Use appended device tree blob to zImage"
+ depends on OF && !ZBOOT_ROM
+ help
+ With this option, the boot code will look for a device tree binary
+ (dtb) appended to zImage
+ (e.g. cat zImage <filename>.dtb > zImage_w_dtb).
+
+config ARM_ATAG_DTB_COMPAT
+ bool "Supplement the appended DTB with traditional ATAG information"
+ depends on ARM_APPENDED_DTB
+ help
+ Some old bootloaders can't be updated to a DTB capable one, yet
+ they provide ATAGs with memory configuration, the ramdisk address,
+ the kernel cmdline string, etc. To allow a device tree enabled
+ kernel to be used with such bootloaders, this option allows
+ zImage to extract the information from the ATAG list and store it
+ at run time into the appended DTB.
+
config CMDLINE
string "Default kernel command string"
default ""