[U-Boot] [PATCH v3 3/6] sunxi: When we've both mmc0 and mmc2, detect from which one we're booting

[Ian Campbell]

On Sun, 2014-10-12 at 20:07 +0200, Hans de Goede wrote:
> sunxi SOCs can boot from both mmc0 and mmc2, detect from which one we're
> booting, and make that one "mmc dev 0" so that a single u-boot binary can
> be used for both the onboard eMMC and for external sdcards.
> 
> When we're booting from mmc2, we make it dev 0 because that is where the SPL
> will load the tertiary payload (the actual u-boot binary in our case) from,
> see: common/spl/spl_mmc.c, which has dev 0 hardcoded everywhere.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Acked-by: Ian Campbell <ijc at hellion.org.uk>