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Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig30
1 files changed, 24 insertions, 6 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3a07864905d2..afcb76ecea53 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -342,10 +342,12 @@ config ARCH_HIGHBANK
select ARM_AMBA
select ARM_GIC
select ARM_TIMER_SP804
+ select CACHE_L2X0
select CLKDEV_LOOKUP
select CPU_V7
select GENERIC_CLOCKEVENTS
select HAVE_ARM_SCU
+ select HAVE_SMP
select USE_OF
help
Support for the Calxeda Highbank SoC based boards.
@@ -363,6 +365,7 @@ config ARCH_CNS3XXX
select CPU_V6K
select GENERIC_CLOCKEVENTS
select ARM_GIC
+ select MIGHT_HAVE_CACHE_L2X0
select MIGHT_HAVE_PCI
select PCI_DOMAINS if PCI
help
@@ -383,6 +386,7 @@ config ARCH_PRIMA2
select GENERIC_CLOCKEVENTS
select CLKDEV_LOOKUP
select GENERIC_IRQ_CHIP
+ select MIGHT_HAVE_CACHE_L2X0
select USE_OF
select ZONE_DMA
help
@@ -635,6 +639,8 @@ config ARCH_TEGRA
select GENERIC_GPIO
select HAVE_CLK
select HAVE_SCHED_CLOCK
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
select ARCH_HAS_CPUFREQ
help
This enables support for NVIDIA Tegra based systems (Tegra APX,
@@ -704,7 +710,9 @@ config ARCH_SHMOBILE
select HAVE_CLK
select CLKDEV_LOOKUP
select HAVE_MACH_CLKDEV
+ select HAVE_SMP
select GENERIC_CLOCKEVENTS
+ select MIGHT_HAVE_CACHE_L2X0
select NO_IOPORT
select SPARSE_IRQ
select MULTI_IRQ_HANDLER
@@ -906,6 +914,8 @@ config ARCH_U8500
select CLKDEV_LOOKUP
select ARCH_REQUIRE_GPIOLIB
select ARCH_HAS_CPUFREQ
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
help
Support for ST-Ericsson's Ux500 architecture
@@ -916,6 +926,7 @@ config ARCH_NOMADIK
select CPU_ARM926T
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
+ select MIGHT_HAVE_CACHE_L2X0
select ARCH_REQUIRE_GPIOLIB
help
Support for the Nomadik platform by ST-Ericsson
@@ -975,6 +986,7 @@ config ARCH_ZYNQ
select ARM_GIC
select ARM_AMBA
select ICST
+ select MIGHT_HAVE_CACHE_L2X0
select USE_OF
help
Support for Xilinx Zynq ARM Cortex A9 Platform
@@ -1441,14 +1453,20 @@ menu "Kernel Features"
source "kernel/time/Kconfig"
+config HAVE_SMP
+ bool
+ help
+ This option should be selected by machines which have an SMP-
+ capable CPU.
+
+ The only effect of this option is to make the SMP-related
+ options available to the user for configuration.
+
config SMP
bool "Symmetric Multi-Processing"
depends on CPU_V6K || CPU_V7
depends on GENERIC_CLOCKEVENTS
- depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \
- MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
- ARCH_EXYNOS4 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \
- ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE || ARCH_HIGHBANK || SOC_IMX6Q
+ depends on HAVE_SMP
depends on MMU
select USE_GENERIC_SMP_HELPERS
select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP
@@ -1988,7 +2006,7 @@ endchoice
config XIP_KERNEL
bool "Kernel Execute-In-Place from ROM"
- depends on !ZBOOT_ROM
+ depends on !ZBOOT_ROM && !ARM_LPAE
help
Execute-In-Place allows the kernel to run from non-volatile storage
directly addressable by the CPU, such as NOR flash. This saves RAM
@@ -2018,7 +2036,7 @@ config XIP_PHYS_ADDR
config KEXEC
bool "Kexec system call (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ depends on EXPERIMENTAL && (!SMP || HOTPLUG_CPU)
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