[PATCH] Modify raspberrypi mm_config_table to map GPIO and registers.

[Sebastian Huber]

On 2013-10-14 15:34, Hesham AL-Matary wrote:
> diff --git a/c/src/lib/libbsp/arm/raspberrypi/startup/mm_config_table.c b/c/src/lib/libbsp/arm/raspberrypi/startup/mm_config_table.c
> index 5436a76..2b748b2 100644
> --- a/c/src/lib/libbsp/arm/raspberrypi/startup/mm_config_table.c
> +++ b/c/src/lib/libbsp/arm/raspberrypi/startup/mm_config_table.c
> @@ -42,7 +42,7 @@ bsp_mm_config_table[] = {
>     }, {
>       .begin = (uint32_t) bsp_section_text_begin,
>       .end = (uint32_t) bsp_section_text_end,
> -    .flags = ARMV7_MMU_CODE_CACHED
> +    .flags = ARMV7_MMU_READ_WRITE

What is the problem with the cache?  Did the cache previously work?

>     }, {
>       .begin = (uint32_t) bsp_section_rodata_begin,
>       .end = (uint32_t) bsp_section_rodata_end,
> @@ -63,8 +63,12 @@ bsp_mm_config_table[] = {
>       .begin = (uint32_t) bsp_section_stack_begin,
>       .end = (uint32_t) bsp_section_stack_end,
>       .flags = MMU_DATA_READ_WRITE
> +  }, {
> +    .begin = 0x20000000,
> +    .end = 0x20FFFFFF,
> +    .flags = ARMV7_MMU_DATA_READ_WRITE

What is this for an area?

>     }
>   };


-- 
Sebastian Huber, embedded brains GmbH

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