On Thu, 16 Nov 2017 10:22:30 +0100 Maxime Ripard <maxime.rip...@free-electrons.com> wrote:
> The current environment has been hardcoded to an offset that starts
> to be an issue given the current size of our main U-Boot binary.
>
> By implementing a custom environment location routine, we can always
> favor the FAT-based environment, and fallback to the MMC if we don't
> find something in the FAT partition. We also implement the same order
> when saving the environment, so that hopefully we can slowly migrate
> the users over to FAT-based environment and away from the raw MMC one.
>
> Eventually, and hopefully before we reach that limit again, we will
> have most of our users using that setup, and we'll be able to retire
> the raw environment, and gain more room for the U-Boot binary.
>
> Signed-off-by: Maxime Ripard <maxime.rip...@free-electrons.com>
> ---
> board/sunxi/board.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/board/sunxi/board.c b/board/sunxi/board.c
> index dcacdf3e626d..8891961dcc6b 100644
> --- a/board/sunxi/board.c
> +++ b/board/sunxi/board.c
> @@ -173,6 +173,22 @@ void i2c_init_board(void)
> #endif
> }
>
> +#if defined(CONFIG_ENV_IS_IN_MMC) && defined(CONFIG_ENV_IS_IN_FAT)
> +enum env_location env_get_location(enum env_operation op, int prio)
> +{
> + switch (prio) {
> + case 0:
> + return ENVL_FAT;
> +
> + case 1:
> + return ENVL_MMC;
> +
> + default:
> + return ENVL_UNKNOWN;
> + }
> +}
> +#endif
> +
> /* add board specific code here */
> int board_init(void)
> {
Reviewed-by: Lukasz Majewski <lu...@denx.de>
Best regards,
Lukasz Majewski
--
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