[U-Boot] [PATCH V2] devkit8000: Move CONFIG_SYS_TEXT_BASE out of bss

Thomas Weber
2011-12-06T13:52:02Z

On 06.12.2011 10:16, Simon Schwarz wrote:
> This moves CONFIG_SYS_TEXT_BASE one MB after beginning of SD-RAM. Move
> CONFIG_SYS_SPL_MALLOC_START to have one MB of free space for the u-boot
> image.
>
> CONFIG_SYS_TEXT_BASE was in the middle of the bss-section. This was the
> reason for the problems with MMC boot described here:
> http://article.gmane.org/gmane.comp.boot-loaders.u-boot/118711
>
> Signed-off-by: Simon Schwarz <simonschwarzcor@gmail.com>
> ---
> V2 changes:
> CHG added a more comprehensive comment on CONFIG_SYS_TEXT_BASE
> CHG Moved CONFIG_SYS_SPL_MALLOC_START from 0x80200000 to 0x80208000 to be
> consistent with beagle board
>
> Cc: s-paulraj at ti.com
> Cc: trini at ti.com
> Cc: albert.u.boot at aribaud.net
> ---
> include/configs/devkit8000.h | 10 ++++++++--
> 1 files changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/include/configs/devkit8000.h b/include/configs/devkit8000.h
> index e1743dc..a2e1d2d 100644
> --- a/include/configs/devkit8000.h
> +++ b/include/configs/devkit8000.h
> @@ -37,7 +37,13 @@
> #define CONFIG_OMAP3430 1 /* which is in a 3430 */
> #define CONFIG_OMAP3_DEVKIT8000 1 /* working with DevKit8000 */
>
> -#define CONFIG_SYS_TEXT_BASE 0x80008000
> +/*
> + * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
> + * 64 bytes before this address should be set aside for u-boot.img's
> + * header. That is 0x800FFFC0--0x80100000 should not be used for any
> + * other needs.
> + */
> +#define CONFIG_SYS_TEXT_BASE 0x80100000
>
> #define CONFIG_SDRC /* The chip has SDRC controller */
>
> @@ -359,7 +365,7 @@
> #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
> #define CONFIG_SYS_NAND_U_BOOT_SIZE 0x200000
>
> -#define CONFIG_SYS_SPL_MALLOC_START 0x80108000
> +#define CONFIG_SYS_SPL_MALLOC_START 0x80208000
> #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */
>
> #endif /* __CONFIG_H */

Tested-by: Thomas Weber <weber@corscience.de>

Thanks,
Thomas