diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 30 |
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 |