[PATCH 07/12] ARM: Exynos5: Modify the GIC physical address for static io-mapping

[Thomas Abraham]

On 17 April 2012 12:01, Kyungmin Park <kmpark at infradead.org> wrote:
> Hi,
>
> On 4/17/12, Thomas Abraham <thomas.abraham at linaro.org> wrote:
>> From: Changhwan Youn <chaos.youn at samsung.com>
>>
>> Adapt to changes in GIC physical address in rev1 of Exynos5.
>
> Does it different from rev0 and rev1? and does it support the rev1 only?

The physical base address of CPU and distributor portions of GIC are
different on Rev0 and Rev1.0. This patch series overrides Rev0 and
hence the mainline will support only Rev1.0. If the support for Rev0
should also be maintained (if there are users of it), then I can
maintain the support for Rev0 also.

Thanks,
Thomas.

>
> Thank you,
> Kyungmin Park
>>
>> Signed-off-by: Changhwan Youn <chaos.youn at samsung.com>
>> ---
>>  arch/arm/mach-exynos/common.c           |    4 ++--
>>  arch/arm/mach-exynos/include/mach/map.h |    4 ++--
>>  2 files changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
>> index 35ac675..457d031 100644
>> --- a/arch/arm/mach-exynos/common.c
>> +++ b/arch/arm/mach-exynos/common.c
>> @@ -265,12 +265,12 @@ static struct map_desc exynos5_iodesc[] __initdata = {
>>       }, {
>>               .virtual        = (unsigned long)S5P_VA_GIC_CPU,
>>               .pfn            = __phys_to_pfn(EXYNOS5_PA_GIC_CPU),
>> -             .length         = SZ_64K,
>> +             .length         = SZ_8K,
>>               .type           = MT_DEVICE,
>>       }, {
>>               .virtual        = (unsigned long)S5P_VA_GIC_DIST,
>>               .pfn            = __phys_to_pfn(EXYNOS5_PA_GIC_DIST),
>> -             .length         = SZ_64K,
>> +             .length         = SZ_4K,
>>               .type           = MT_DEVICE,
>>       },
>>  };
>> diff --git a/arch/arm/mach-exynos/include/mach/map.h
>> b/arch/arm/mach-exynos/include/mach/map.h
>> index 0e2292d..648d59b 100644
>> --- a/arch/arm/mach-exynos/include/mach/map.h
>> +++ b/arch/arm/mach-exynos/include/mach/map.h
>> @@ -78,8 +78,8 @@
>>
>>  #define EXYNOS4_PA_GIC_CPU           0x10480000
>>  #define EXYNOS4_PA_GIC_DIST          0x10490000
>> -#define EXYNOS5_PA_GIC_CPU           0x10480000
>> -#define EXYNOS5_PA_GIC_DIST          0x10490000
>> +#define EXYNOS5_PA_GIC_CPU           0x10482000
>> +#define EXYNOS5_PA_GIC_DIST          0x10481000
>>
>>  #define EXYNOS4_PA_COREPERI          0x10500000
>>  #define EXYNOS4_PA_TWD                       0x10500600
>> --
>> 1.6.6.rc2
>>
>> --
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>
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