ARM: EXYNOS4: Add external GIC io memory mapping

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>

arch/arm/mach-exynos4/cpu.c

@@ -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)

arch/arm/mach-exynos4/include/mach/map.h

@@ -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

arch/arm/plat-s5p/include/plat/map-s5p.h

@@ -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)