[U-Boot] [PATCHv1 02/22] arm: socfpga: enable saveenv to mmc partition

Pavel Machek
2015-01-15T22:00:00Z

Hi!

> From: Dinh Nguyen <dinguyen@opensource.altera.com>
>
> Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
> Cc: Marek Vasut <marex@denx.de>
> Cc: Tom Rini <trini@ti.com>
> Cc: Pavel Machek <pavel@denx.de>
> ---
> include/configs/socfpga_common.h | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/include/configs/socfpga_common.h b/include/configs/socfpga_common.h
> index 6b1f967..673377b 100644
> --- a/include/configs/socfpga_common.h
> +++ b/include/configs/socfpga_common.h
> @@ -281,9 +281,12 @@ unsigned int cm_get_qspi_controller_clk_hz(void);
> #define CONFIG_SYS_CONSOLE_IS_IN_ENV
> #define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
> #define CONFIG_SYS_CONSOLE_ENV_OVERWRITE
> -#define CONFIG_ENV_IS_NOWHERE
> #define CONFIG_ENV_SIZE 4096
>
> +#define CONFIG_ENV_IS_IN_MMC
> +#define CONFIG_SYS_MMC_ENV_DEV 0/* device 0 */
> +#define CONFIG_ENV_OFFSET 512/* just after the MBR */
> +

Would it make sense to make environment bigger (64K?) at this point,
and enabling the redundant environment option, so that one bad block
does not bring the whole device down?

Thanks,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html