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| author | Changhwan Youn <chaos.youn@samsung.com> | 2011-03-11 10:39:35 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-03-11 10:39:42 +0900 |
| commit | 2b7401590d97951d7b3df67ba7dc4fc2930928f0 (patch) | |
| tree | f431f98a39319b714958c9816d5a161980203647 | |
| parent | 4dd508b524b4913a08f54065601ee94fcacb75a2 (diff) | |
| download | lwn-2b7401590d97951d7b3df67ba7dc4fc2930928f0.tar.gz lwn-2b7401590d97951d7b3df67ba7dc4fc2930928f0.zip | |
ARM: EXYNOS4: Add SYSTIMER IO Address mapping for MCT
The MCT(Multi-Core Timer) is used for implementing kernel timers
for EXYNOS4210.
Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| -rw-r--r-- | arch/arm/mach-exynos4/cpu.c | 5 | ||||
| -rw-r--r-- | 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 b0ec6d3d3774..479dfa1951c8 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 4d7f0cebfc7c..89ab6f75776c 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 |