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| author | Ilya Yanok <yanok@emcraft.com> | 2009-06-29 17:53:16 +0400 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-07-19 22:07:29 +0200 |
| commit | b86b85e2611d57d834795a92453431a1a340c3c9 (patch) | |
| tree | 8c6bf495049e9e0f92635f91e4b1e45597822b23 /drivers/mmc/mmc.c | |
| parent | cff80f2cd12bf9767509b5334ecfc90cd7de5502 (diff) | |
| download | u-boot-imx-b86b85e2611d57d834795a92453431a1a340c3c9.zip u-boot-imx-b86b85e2611d57d834795a92453431a1a340c3c9.tar.gz u-boot-imx-b86b85e2611d57d834795a92453431a1a340c3c9.tar.bz2 | |
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>
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | 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); |