Kyungmin Park wrote:
>
> On 12/2/11, Kukjin Kim <kgene.kim@xxxxxxxxxxx> wrote:
> > MyungJoo Ham wrote:
> >>
> >> - Add DMC1
> >> - Enlarge address space for DMC from 4k to 64k so that PPMU registers
> >> may be accessed.
> >>
> >> Signed-off-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>
> >> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> >> ---
> >> arch/arm/mach-exynos/cpu.c | 7 ++++++-
> >> arch/arm/mach-exynos/include/mach/map.h | 1 +
> >> 2 files changed, 7 insertions(+), 1 deletions(-)
> >>
> >> diff --git a/arch/arm/mach-exynos/cpu.c b/arch/arm/mach-exynos/cpu.c
> >> index 90ec247..8bdcba9 100644
> >> --- a/arch/arm/mach-exynos/cpu.c
> >> +++ b/arch/arm/mach-exynos/cpu.c
> >> @@ -108,7 +108,12 @@ static struct map_desc exynos4_iodesc[] __initdata
> =
> >> {
> >> }, {
> >> .virtual = (unsigned long)S5P_VA_DMC0,
> >> .pfn = __phys_to_pfn(EXYNOS4_PA_DMC0),
> >> - .length = SZ_4K,
> >> + .length = SZ_64K,
> >> + .type = MT_DEVICE,
> >> + }, {
> >> + .virtual = (unsigned long)S5P_VA_DMC1,
> >> + .pfn = __phys_to_pfn(EXYNOS4_PA_DMC1),
> >> + .length = SZ_64K,
> >> .type = MT_DEVICE,
> >> }, {
> >> .virtual = (unsigned long)S5P_VA_SROMC,
> >> diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-
> >> exynos/include/mach/map.h
> >> index 058541d..870a980 100644
> >> --- a/arch/arm/mach-exynos/include/mach/map.h
> >> +++ b/arch/arm/mach-exynos/include/mach/map.h
> >> @@ -57,6 +57,7 @@
> >> #define EXYNOS4_PA_KEYPAD 0x100A0000
> >>
> >> #define EXYNOS4_PA_DMC0 0x10400000
> >> +#define EXYNOS4_PA_DMC1 0x10410000
> >
> > If required, so just '.length = SZ_128K'?...
> Doesn't it more confuse and difficult to use?
>
> Even though there's not much definitions. it defines the offset concept.
> "arch/arm/mach-exynos/include/mach/regs-mem.h"
>
OK.
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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