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| author | Lei Wen <leiwen@marvell.com> | 2011-06-22 17:03:31 +0000 |
|---|---|---|
| committer | Andy Fleming <afleming@freescale.com> | 2011-07-15 20:29:17 -0500 |
| commit | e6f99a5611e1ff59555f93de88e527070f8548af (patch) | |
| tree | 77577e3a0f6db5f84f2d9d879e9abfc221685c69 /include/mmc.h | |
| parent | 6be95ccf9ff52d629526d1c20c5343c2a91d9e72 (diff) | |
| download | u-boot-imx-e6f99a5611e1ff59555f93de88e527070f8548af.zip u-boot-imx-e6f99a5611e1ff59555f93de88e527070f8548af.tar.gz u-boot-imx-e6f99a5611e1ff59555f93de88e527070f8548af.tar.bz2 | |
MMC: add erase function to both mmc and sd
Erase is a very basic function since the begin of sd specification is
announced. Although we could write a bulk of full 0xff memory to the
range to take place of erase, it is more convenient and safe to
implement the erase function itself.
Signed-off-by: Lei Wen <leiwen@marvell.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'include/mmc.h')
| -rw-r--r-- | include/mmc.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/mmc.h b/include/mmc.h index aeacdee..1c8a360 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -75,6 +75,9 @@ #define MMC_CMD_READ_MULTIPLE_BLOCK 18 #define MMC_CMD_WRITE_SINGLE_BLOCK 24 #define MMC_CMD_WRITE_MULTIPLE_BLOCK 25 +#define MMC_CMD_ERASE_GROUP_START 35 +#define MMC_CMD_ERASE_GROUP_END 36 +#define MMC_CMD_ERASE 38 #define MMC_CMD_APP_CMD 55 #define MMC_CMD_SPI_READ_OCR 58 #define MMC_CMD_SPI_CRC_ON_OFF 59 @@ -84,6 +87,8 @@ #define SD_CMD_SEND_IF_COND 8 #define SD_CMD_APP_SET_BUS_WIDTH 6 +#define SD_CMD_ERASE_WR_BLK_START 32 +#define SD_CMD_ERASE_WR_BLK_END 33 #define SD_CMD_APP_SEND_OP_COND 41 #define SD_CMD_APP_SEND_SCR 51 @@ -99,6 +104,8 @@ #define OCR_VOLTAGE_MASK 0x007FFF80 #define OCR_ACCESS_MODE 0x60000000 +#define SECURE_ERASE 0x80000000 + #define MMC_STATUS_MASK (~0x0206BF7F) #define MMC_STATUS_RDY_FOR_DATA (1 << 8) #define MMC_STATUS_CURR_STATE (0xf << 9) @@ -285,6 +292,7 @@ struct mmc { uint tran_speed; uint read_bl_len; uint write_bl_len; + uint erase_grp_size; u64 capacity; block_dev_desc_t block_dev; int (*send_cmd)(struct mmc *mmc, |