From: Changhwan Youn <chaos.youn@xxxxxxxxxxx>
The MCT(Multi-Core Timer) is used for implementing kernel timers for
EXYNOS4210.
Signed-off-by: Changhwan Youn <chaos.youn@xxxxxxxxxxx>
Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
---
arch/arm/mach-exynos4/cpu.c | 5 +++++
arch/arm/mach-exynos4/include/mach/map.h | 1 +
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
index b0ec6d3..479dfa1 100644
--- a/arch/arm/mach-exynos4/cpu.c
+++ b/arch/arm/mach-exynos4/cpu.c
@@ -31,6 +31,11 @@ extern void combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq);
/* Initial IO mappings */
static struct map_desc exynos4_iodesc[] __initdata = {
{
+ .virtual = (unsigned long)S5P_VA_SYSTIMER,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_SYSTIMER),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
.virtual = (unsigned long)S5P_VA_SYSRAM,
.pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM),
.length = SZ_4K,
diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h
index 80a41e0..d678f08 100644
--- a/arch/arm/mach-exynos4/include/mach/map.h
+++ b/arch/arm/mach-exynos4/include/mach/map.h
@@ -44,6 +44,7 @@
#define EXYNOS4_PA_PMU 0x10020000
#define EXYNOS4_PA_CMU 0x10030000
+#define EXYNOS4_PA_SYSTIMER 0x10050000
#define EXYNOS4_PA_WATCHDOG 0x10060000
#define EXYNOS4_PA_RTC 0x10070000
--
1.7.1
--
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