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| author | Angelo Dureghello <angelo@sysam.it> | 2017-08-01 14:27:10 +0200 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2017-08-17 17:00:11 +0900 |
| commit | bdb6099666933491ce393e52132e05604da91b1a (patch) | |
| tree | 127076ebc6d7f6a4725d013e8f5d3967ec95016d /drivers/mmc/mmc_boot.c | |
| parent | e7881d85a94b2e35b12a163c3af671057e9ca5e8 (diff) | |
| download | u-boot-bdb6099666933491ce393e52132e05604da91b1a.zip u-boot-bdb6099666933491ce393e52132e05604da91b1a.tar.gz u-boot-bdb6099666933491ce393e52132e05604da91b1a.tar.bz2 | |
cmd: mmc: add mmc partconf read capability
This patch allows to show the EXT_CSD[179] partition_config
register info, just by specifying the dev param:
U-Boot> mmc partconf 0
EXT_CSD[179], PARTITION_CONFIG:
BOOT_ACK: 0x0
BOOT_PARTITION_ENABLE: 0x0
PARTITION_ACCESS: 0x0
Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Diffstat (limited to 'drivers/mmc/mmc_boot.c')
| -rw-r--r-- | drivers/mmc/mmc_boot.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/mmc/mmc_boot.c b/drivers/mmc/mmc_boot.c index ac6f56f..6d77ce9 100644 --- a/drivers/mmc/mmc_boot.c +++ b/drivers/mmc/mmc_boot.c @@ -100,10 +100,19 @@ int mmc_set_boot_bus_width(struct mmc *mmc, u8 width, u8 reset, u8 mode) */ int mmc_set_part_conf(struct mmc *mmc, u8 ack, u8 part_num, u8 access) { - return mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF, - EXT_CSD_BOOT_ACK(ack) | - EXT_CSD_BOOT_PART_NUM(part_num) | - EXT_CSD_PARTITION_ACCESS(access)); + int ret; + u8 part_conf; + + part_conf = EXT_CSD_BOOT_ACK(ack) | + EXT_CSD_BOOT_PART_NUM(part_num) | + EXT_CSD_PARTITION_ACCESS(access); + + ret = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF, + part_conf); + if (!ret) + mmc->part_config = part_conf; + + return ret; } /* |