The CPUFREQ driver requires an access to DMCx registers. We
define addresses of DMCx registers and mapping between physical and
virtual addresses of DMCx registers.
Signed-off-by: MyungJoo Ham <myungjoo....@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
--
v7
- removed unnecessary comment.
- merged the two patches (virtual address + physical address)
---
arch/arm/mach-s5pv210/cpu.c | 12 +++++++++++-
arch/arm/mach-s5pv210/include/mach/map.h | 3 +++
arch/arm/plat-s5p/include/plat/map-s5p.h | 3 +++
3 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
index 5d1e46e..7f58435 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -60,7 +60,17 @@ static struct map_desc s5pv210_iodesc[] __initdata = {
.pfn = __phys_to_pfn(S5PV210_PA_SROMC),
.length = SZ_4K,
.type = MT_DEVICE,
- }
+ }, {
+ .virtual = (unsigned long)S5P_VA_DMC0,
+ .pfn = __phys_to_pfn(S5PV210_PA_DMC0),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_DMC1,
+ .pfn = __phys_to_pfn(S5PV210_PA_DMC1),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
};
static void s5pv210_idle(void)
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h
b/arch/arm/mach-s5pv210/include/mach/map.h
index 17687f0..019c5b8 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -108,4 +108,7 @@
#define SAMSUNG_PA_ADC S5PV210_PA_ADC
#define SAMSUNG_PA_KEYPAD S5PV210_PA_KEYPAD
+#define S5PV210_PA_DMC0 (0xF0000000)
+#define S5PV210_PA_DMC1 (0xF1400000)
+
#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/plat-s5p/include/plat/map-s5p.h
b/arch/arm/plat-s5p/include/plat/map-s5p.h
index 1482852..bd803f1 100644
--- a/arch/arm/plat-s5p/include/plat/map-s5p.h
+++ b/arch/arm/plat-s5p/include/plat/map-s5p.h
@@ -31,4 +31,7 @@
#define VA_VIC2 VA_VIC(2)
#define VA_VIC3 VA_VIC(3)
+#define S5P_VA_DMC0 S3C_ADDR(0x00a00000)
+#define S5P_VA_DMC1 S3C_ADDR(0x00b00000)
+
#endif /* __ASM_PLAT_MAP_S5P_H */
--
1.6.3.3
--
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