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>

3 files changed, 18 insertions, 6 deletions

diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
index bfd621460abf..91fc9fc8d763 100644
--- a/arch/arm/mach-exynos4/cpu.c
+++ b/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)
diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h
index 0009e77a05fc..0dbca26dfe64 100644
--- a/arch/arm/mach-exynos4/include/mach/map.h
+++ b/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
diff --git a/arch/arm/plat-s5p/include/plat/map-s5p.h b/arch/arm/plat-s5p/include/plat/map-s5p.h
index d973d39666a3..36d3551173b2 100644
--- a/arch/arm/plat-s5p/include/plat/map-s5p.h
+++ b/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)