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ARM: EXYNOS4: Add external GIC io memory mapping

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This patch adds external GIC io memory mapping
to support external GIC on EXYNOS4.

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 2011-07-16 10:48:47 +09:00 committed by Kukjin Kim
parent 0d855f40a4
commit eb13f2bf72
3 changed files with 18 additions and 6 deletions
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12
arch/arm/mach-exynos4/cpu.c
View File

@ -103,7 +103,17 @@ static struct map_desc exynos4_iodesc[] __initdata = {
.pfn = __phys_to_pfn(EXYNOS4_PA_HSPHY),
.length = SZ_4K,
.type = MT_DEVICE,
}
}, {
.virtual = (unsigned long)S5P_VA_GIC_CPU,
.pfn = __phys_to_pfn(EXYNOS4_PA_GIC_CPU),
.length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_GIC_DIST,
.pfn = __phys_to_pfn(EXYNOS4_PA_GIC_DIST),
.length = SZ_64K,
.type = MT_DEVICE,
},
};
static void exynos4_idle(void)

7
arch/arm/mach-exynos4/include/mach/map.h
View File

@ -57,12 +57,13 @@
#define EXYNOS4_PA_DMC0 0x10400000
#define EXYNOS4_PA_COMBINER 0x10448000
#define EXYNOS4_PA_COMBINER 0x10440000
#define EXYNOS4_PA_GIC_CPU 0x10480000
#define EXYNOS4_PA_GIC_DIST 0x10490000
#define EXYNOS4_PA_COREPERI 0x10500000
#define EXYNOS4_PA_GIC_CPU 0x10500100
#define EXYNOS4_PA_TWD 0x10500600
#define EXYNOS4_PA_GIC_DIST 0x10501000
#define EXYNOS4_PA_L2CC 0x10502000
#define EXYNOS4_PA_MDMA 0x10810000

5
arch/arm/plat-s5p/include/plat/map-s5p.h
View File

@ -35,9 +35,10 @@
#define S5P_VA_COREPERI_BASE S3C_ADDR(0x02800000)
#define S5P_VA_COREPERI(x) (S5P_VA_COREPERI_BASE + (x))
#define S5P_VA_SCU S5P_VA_COREPERI(0x0)
#define S5P_VA_GIC_CPU S5P_VA_COREPERI(0x100)
#define S5P_VA_TWD S5P_VA_COREPERI(0x600)
#define S5P_VA_GIC_DIST S5P_VA_COREPERI(0x1000)
#define S5P_VA_GIC_CPU S3C_ADDR(0x02810000)
#define S5P_VA_GIC_DIST S3C_ADDR(0x02820000)
#define S3C_VA_USB_HSPHY S3C_ADDR(0x02900000)