[PATCH] ARM: EXYNOS: Use non-secure MDMA1

Kyungmin Park kyungmin.park at samsung.com
Tue Aug 28 20:06:05 EDT 2012


On 8/29/12, Kukjin Kim <kgene.kim at samsung.com> wrote:
> On 08/28/12 04:08, Tomasz Figa wrote:
>> Using secure MDMA1 on TrustZone-enabled boards causes early boot crash,
>> so use non-secure instead.
>>
>> Signed-off-by: Tomasz Figa<t.figa at samsung.com>
>> Signed-off-by: Kyungmin Park<kyungmin.park at samsung.com>
>> ---
>>   arch/arm/mach-exynos/dma.c              | 2 +-
>>   arch/arm/mach-exynos/include/mach/map.h | 3 ++-
>>   2 files changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c
>> index f60b66d..8858df5 100644
>> --- a/arch/arm/mach-exynos/dma.c
>> +++ b/arch/arm/mach-exynos/dma.c
>> @@ -261,7 +261,7 @@ static struct dma_pl330_platdata exynos_mdma1_pdata =
>> {
>>   };
>>
>>   static AMBA_AHB_DEVICE(exynos_mdma1,  "dma-pl330.2", 0x00041330,
>> -	EXYNOS4_PA_MDMA1, {EXYNOS4_IRQ_MDMA1},&exynos_mdma1_pdata);
>> +	EXYNOS4_PA_NS_MDMA1, {EXYNOS4_IRQ_MDMA1},&exynos_mdma1_pdata);
>>
>>   static int __init exynos_dma_init(void)
>>   {
>> diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-
>> exynos/include/mach/map.h
>> index 51943f2..5df5910 100644
>> --- a/arch/arm/mach-exynos/include/mach/map.h
>> +++ b/arch/arm/mach-exynos/include/mach/map.h
>> @@ -89,7 +89,8 @@
>>   #define EXYNOS4_PA_L2CC			0x10502000
>>
>>   #define EXYNOS4_PA_MDMA0		0x10810000
>> -#define EXYNOS4_PA_MDMA1		0x12840000
>> +#define EXYNOS4_PA_S_MDMA1		0x12840000
>> +#define EXYNOS4_PA_NS_MDMA1		0x12850000
>>   #define EXYNOS4_PA_PDMA0		0x12680000
>>   #define EXYNOS4_PA_PDMA1		0x12690000
>>   #define EXYNOS5_PA_MDMA0		0x10800000
>
> Cc'ed Boojin Kim.
>
> Well, just fix the address is enough like exynos5 stuff? I don't have
> any idea why we need secure mdma and non-secure mdma both here...

Did you see the datasheet and your team codes?
>
> diff --git a/arch/arm/mach-exynos/include/mach/map.h
> b/arch/arm/mach-exynos/include/mach/map.h
> index c72b675..c941053 100644
> --- a/arch/arm/mach-exynos/include/mach/map.h
> +++ b/arch/arm/mach-exynos/include/mach/map.h
> @@ -89,7 +89,7 @@
>   #define EXYNOS4_PA_L2CC                        0x10502000
>
>   #define EXYNOS4_PA_MDMA0		0x10810000
> -#define EXYNOS4_PA_MDMA1		0x12840000
> +#define EXYNOS4_PA_MDMA1		0x12850000
>   #define EXYNOS4_PA_PDMA0		0x12680000
>   #define EXYNOS4_PA_PDMA1		0x12690000
>   #define EXYNOS5_PA_MDMA0		0x10800000
> --
>
> Thanks.
>
> Best regards,
> Kgene.
> --
> Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
> SW Solution Development Team, Samsung Electronics Co., Ltd.
>
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