diff options
| author | Jaehoon Chung <[email protected]> | 2013-01-29 19:31:16 +0000 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2013-04-17 10:58:51 -0400 |
| commit | 64f4a6192f0670de2d9af98900b750a3e7bf8ce6 (patch) | |
| tree | 59af4410495640014040b626c9f9ccea219ca38b /drivers | |
| parent | 22a4a6c5c2ea4c5998b98e6358b351848f2b765f (diff) | |
mmc: support the correct card version for eMMC
eMMC vesrion is supported up to v4.5.
But bootloader isn't saw the exact eMMC version.
After applied this patch,
if use the mmcinfo command, then can see the exactly mmc version.
Signed-off-by: Jaehoon Chung <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
Acked-by: Rommel Custodio <[email protected]>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/mmc.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index d732581eb8d..72b725462e7 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1054,6 +1054,24 @@ static int mmc_startup(struct mmc *mmc) mmc->capacity = capacity; } + switch (ext_csd[EXT_CSD_REV]) { + case 1: + mmc->version = MMC_VERSION_4_1; + break; + case 2: + mmc->version = MMC_VERSION_4_2; + break; + case 3: + mmc->version = MMC_VERSION_4_3; + break; + case 5: + mmc->version = MMC_VERSION_4_41; + break; + case 6: + mmc->version = MMC_VERSION_4_5; + break; + } + /* * Check whether GROUP_DEF is set, if yes, read out * group size from ext_csd directly, or calculate |