On the Exynos5420 non-secure SYSRAM is used for secondary CPU bring-up,
so add a mapping for it.
Signed-off-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
Signed-off-by: Abhilash Kesavan <a.kesavan@xxxxxxxxxxx>
---
arch/arm/mach-exynos/exynos.c | 11 +++++++++++
arch/arm/mach-exynos/include/mach/map.h | 1 +
2 files changed, 12 insertions(+)
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index b32a907..b1cf9d5 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -159,6 +159,15 @@ static struct map_desc exynos5250_iodesc[] __initdata = {
},
};
+static struct map_desc exynos5420_iodesc[] __initdata = {
+ {
+ .virtual = (unsigned long)S5P_VA_SYSRAM_NS,
+ .pfn = __phys_to_pfn(EXYNOS5420_PA_SYSRAM_NS),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+};
+
static struct map_desc exynos5_iodesc[] __initdata = {
{
.virtual = (unsigned long)S3C_VA_SYS,
@@ -294,6 +303,8 @@ static void __init exynos_map_io(void)
iotable_init(exynos4x12_iodesc, ARRAY_SIZE(exynos4x12_iodesc));
if (soc_is_exynos5250())
iotable_init(exynos5250_iodesc, ARRAY_SIZE(exynos5250_iodesc));
+ if (soc_is_exynos5420())
+ iotable_init(exynos5420_iodesc, ARRAY_SIZE(exynos5420_iodesc));
}
void __init exynos_init_io(void)
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index 7b046b5..8c5be19 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -29,6 +29,7 @@
#define EXYNOS4210_PA_SYSRAM_NS 0x0203F000
#define EXYNOS4x12_PA_SYSRAM_NS 0x0204F000
#define EXYNOS5250_PA_SYSRAM_NS 0x0204F000
+#define EXYNOS5420_PA_SYSRAM_NS 0x02073000
#define EXYNOS_PA_CHIPID 0x10000000
--
1.7.9.5
--
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