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| author | Andrew Gabbasov <andrew_gabbasov@mentor.com> | 2014-04-03 04:34:32 -0500 |
|---|---|---|
| committer | Pantelis Antoniou <panto@antoniou-consulting.com> | 2014-05-23 11:34:33 +0300 |
| commit | 6b2221b008e0ea66de5befab38515e1a38c74d4f (patch) | |
| tree | d318147bba7167738a8b1293c91a9d5c665e09a9 /include | |
| parent | d803fea576c0b9caf2ece1ea1fac0550d3508a4d (diff) | |
| download | u-boot-imx-6b2221b008e0ea66de5befab38515e1a38c74d4f.zip u-boot-imx-6b2221b008e0ea66de5befab38515e1a38c74d4f.tar.gz u-boot-imx-6b2221b008e0ea66de5befab38515e1a38c74d4f.tar.bz2 | |
mmc: Handle switch error status bit in MMC card status
MMC switch command for unsupported feature (e.g. bus width) sets a switch
error bit in card status. This bit should be checked, and, if it's set,
no access with new controller settings should be performed.
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Signed-off-by: Andrew Gabbasov <andrew_gabbasov@mentor.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/mmc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/mmc.h b/include/mmc.h index bc11f45..9143efe 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -54,6 +54,7 @@ #define COMM_ERR -18 /* Communications Error */ #define TIMEOUT -19 #define IN_PROGRESS -20 /* operation is in progress */ +#define SWITCH_ERR -21 /* Card reports failure to switch mode */ #define MMC_CMD_GO_IDLE_STATE 0 #define MMC_CMD_SEND_OP_COND 1 @@ -109,6 +110,7 @@ #define SECURE_ERASE 0x80000000 #define MMC_STATUS_MASK (~0x0206BF7F) +#define MMC_STATUS_SWITCH_ERROR (1 << 7) #define MMC_STATUS_RDY_FOR_DATA (1 << 8) #define MMC_STATUS_CURR_STATE (0xf << 9) #define MMC_STATUS_ERROR (1 << 19) |