[U-Boot] [PATCH] mmc: set bus width to 1 and clock to minimum early during initialization

We need to switch back to 1-bit before initialization or SD 2.0 cards will fail to send SCR if we've switched to 4-bit already.

Signed-off-by: Ilya Yanok yanok@emcraft.com --- drivers/mmc/mmc.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 8c736ce..b69ce15 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -859,6 +859,9 @@ int mmc_init(struct mmc *mmc) if (err) return err;

+ mmc_set_bus_width(mmc, 1); + mmc_set_clock(mmc, 1); + /* Reset the Card */ err = mmc_go_idle(mmc);