On Mon, Apr 10, 2017 at 5:07 PM, Fausto Sessego <fausto.sessego at infomob.it> wrote: > It is right because it is a custom board designed by my self. > > I renamed CONFIG_TARGET_MX6BOARD=y > > Do you have any hint? You can try removing the line ""mmcbooterror=echo Boot from mmc ERROR!!; " from your CONFIG_EXTRA_ENV_SETTINGS.