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| author | Raffaele Recalcati <raffaele.recalcati@bticino.it> | 2011-03-11 02:01:12 +0000 |
|---|---|---|
| committer | Andy Fleming <afleming@freescale.com> | 2011-04-13 07:08:57 -0500 |
| commit | 5d4fc8d907ed12844b9c9190601fef2919f3ec25 (patch) | |
| tree | 20c8c639facdd3ecfbe87d54880b400b68e8981a /include | |
| parent | 8baf939c2c5e0eb1f3d0cba1067e069e199cbf7f (diff) | |
| download | u-boot-imx-5d4fc8d907ed12844b9c9190601fef2919f3ec25.zip u-boot-imx-5d4fc8d907ed12844b9c9190601fef2919f3ec25.tar.gz u-boot-imx-5d4fc8d907ed12844b9c9190601fef2919f3ec25.tar.bz2 | |
mmc: checking status after commands with R1b response
It is recommended to check card status after these kind of commands.
This is done using CMD13 (SEND_STATUS) JEDEC command until
the card is ready.
In case of error the card status field is displayed.
Signed-off-by: Raffaele Recalcati <raffaele.recalcati@bticino.it>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/mmc.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/mmc.h b/include/mmc.h index 2cf489f..ed084c8 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -97,6 +97,10 @@ #define OCR_BUSY 0x80000000 #define OCR_HCS 0x40000000 +#define MMC_STATUS_MASK (~0x0206BF7F) +#define MMC_STATUS_RDY_FOR_DATA (1<<8) +#define MMC_STATUS_CURR_STATE (0xf<<9) + #define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */ #define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */ #define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */ |