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| author | John Stultz <john.stultz@linaro.org> | 2016-08-02 20:54:57 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2016-08-02 20:54:57 -0700 |
| commit | 9b75322471725713a3f36685404c1494a5059a72 (patch) | |
| tree | d3986c6016d643bc6f5c31e96a820bf1f7e0bcd4 | |
| parent | 537db644f7761f0d9a431b13f76ea951777dcad5 (diff) | |
| download | OpenPlatformPkg-9b75322471725713a3f36685404c1494a5059a72.tar.gz | |
Revert "DwSdDxe: avoid sd hang"
This reverts commit 372d6477761ef2fdb912f3546f38a69c49ab3112.
| -rw-r--r-- | Drivers/Mmc/DwSdDxe/DwSdDxe.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Drivers/Mmc/DwSdDxe/DwSdDxe.c b/Drivers/Mmc/DwSdDxe/DwSdDxe.c index eefc6c5..3eb8b1e 100644 --- a/Drivers/Mmc/DwSdDxe/DwSdDxe.c +++ b/Drivers/Mmc/DwSdDxe/DwSdDxe.c @@ -287,6 +287,10 @@ SendCommand ( MmioWrite32 (DWSD_RINTSTS, ~0); MmioWrite32 (DWSD_CMDARG, Argument); MicroSecondDelay(500); + // Wait until MMC is idle + do { + Data = MmioRead32 (DWSD_STATUS); + } while (Data & DWSD_STS_DATA_BUSY); MmioWrite32 (DWSD_CMD, MmcCmd); |