[PATCH v5 5/7] ARM: S5PV210: Access for DMCx registers
MyungJoo Ham
myungjoo.ham at samsung.com
Thu Jul 29 06:25:43 EDT 2010
The CPUFREQ driver requires an access to DMCx registers. We
define physical addresses and mapping between physical and virtual
addresses of DMCx registers.
Signed-off-by: MyungJoo Ham <myungjoo.ham at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
arch/arm/mach-s5pv210/cpu.c | 12 +++++++++++-
arch/arm/mach-s5pv210/include/mach/map.h | 4 ++++
2 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
index 77bf37d..82ca2d5 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -61,7 +61,17 @@ 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..daf6456 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -108,4 +108,8 @@
#define SAMSUNG_PA_ADC S5PV210_PA_ADC
#define SAMSUNG_PA_KEYPAD S5PV210_PA_KEYPAD
+/* DMC */
+#define S5PV210_PA_DMC0 (0xF0000000)
+#define S5PV210_PA_DMC1 (0xF1400000)
+
#endif /* __ASM_ARCH_MAP_H */
--
1.6.3.3
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