[PATCH v6 5/7] ARM: S5PV210: Access for DMCx registers
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STALE5918d
From: myungjoo.ham@samsung.com (MyungJoo Ham)
Date: 2010-08-03 10:04:24
Also in:
linux-samsung-soc
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
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@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@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 74d4c08..2066695 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..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 */
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1.6.3.3