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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>
This commit is contained in:
Changhwan Youn 2011-03-11 10:39:35 +09:00 committed by Kukjin Kim
parent 4dd508b524
commit 2b7401590d
2 changed files with 6 additions and 0 deletions
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5
arch/arm/mach-exynos4/cpu.c
View File

@ -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,

1
arch/arm/mach-exynos4/include/mach/map.h
View File

@ -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