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[1/3] ARM: EXYNOS: Add IO mapping for non-secure SYSRAM

Message ID 1387353935-1335-1-git-send-email-sachin.kamat@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Sachin Kamat Dec. 18, 2013, 8:05 a.m. UTC 
On trustzone enabled boards non-secure SYSRAM is used for
secondary CPU boot up.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
---
 arch/arm/mach-exynos/common.c           |   11 +++++++++++
 arch/arm/mach-exynos/include/mach/map.h |    1 +
 2 files changed, 12 insertions(+)
diff mbox

Patch

diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index e353a837840b..97aa5b4b079a 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -240,6 +240,15 @@  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,
@@ -397,6 +406,8 @@  static void __init exynos5_map_io(void)
 		iotable_init(exynos5250_iodesc, ARRAY_SIZE(exynos5250_iodesc));
 	if (soc_is_exynos5410())
 		iotable_init(exynos5410_iodesc, ARRAY_SIZE(exynos5410_iodesc));
+	if (soc_is_exynos5420())
+		iotable_init(exynos5420_iodesc, ARRAY_SIZE(exynos5420_iodesc));
 }
 
 struct bus_type exynos_subsys = {
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index 894f431366a9..75fdc6c1bfcd 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -30,6 +30,7 @@ 
 #define EXYNOS4x12_PA_SYSRAM_NS		0x0204F000
 #define EXYNOS5250_PA_SYSRAM_NS		0x0204F000
 #define EXYNOS5410_PA_SYSRAM_NS		0x02073000
+#define EXYNOS5420_PA_SYSRAM_NS		0x02073000
 
 #define EXYNOS_PA_CHIPID		0x10000000