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-rw-r--r--arch/arm/Kconfig5
-rw-r--r--arch/arm/mach-vexpress/ct-ca9x4.c2
-rw-r--r--arch/arm/mach-vexpress/include/mach/ct-ca9x4.h1
3 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 98922f7d2d12..7b117b1b0884 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1172,9 +1172,10 @@ config HOTPLUG_CPU
config LOCAL_TIMERS
bool "Use local timer interrupts"
depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || \
- REALVIEW_EB_A9MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || ARCH_U8500)
+ REALVIEW_EB_A9MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
+ ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
default y
- select HAVE_ARM_TWD if (ARCH_REALVIEW || ARCH_OMAP4 || ARCH_U8500)
+ select HAVE_ARM_TWD if (ARCH_REALVIEW || ARCH_VEXPRESS || ARCH_OMAP4 || ARCH_U8500)
help
Enable support for local timers on SMP platforms, rather then the
legacy IPI broadcast method. Local timers allows the system
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index 6353459bb567..577df6cccb08 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -16,6 +16,7 @@
#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
#include <asm/pmu.h>
+#include <asm/smp_twd.h>
#include <mach/clkdev.h>
#include <mach/ct-ca9x4.h>
@@ -53,6 +54,7 @@ static struct map_desc ct_ca9x4_io_desc[] __initdata = {
static void __init ct_ca9x4_map_io(void)
{
+ twd_base = MMIO_P2V(A9_MPCORE_TWD);
v2m_map_io(ct_ca9x4_io_desc, ARRAY_SIZE(ct_ca9x4_io_desc));
}
diff --git a/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h b/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
index 8650f04136ef..f9e2f8d22962 100644
--- a/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
+++ b/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
@@ -28,6 +28,7 @@
#define A9_MPCORE_SCU (CT_CA9X4_MPIC + 0x0000)
#define A9_MPCORE_GIC_CPU (CT_CA9X4_MPIC + 0x0100)
#define A9_MPCORE_GIT (CT_CA9X4_MPIC + 0x0200)
+#define A9_MPCORE_TWD (CT_CA9X4_MPIC + 0x0600)
#define A9_MPCORE_GIC_DIST (CT_CA9X4_MPIC + 0x1000)
/*