diff options
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | drivers/mmc/mmc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 5ffd8c59e..1d2fa7319 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -669,6 +669,20 @@ int mmc_switch_part(int dev_num, unsigned int part_num) | (part_num & PART_ACCESS_MASK)); } +int mmc_part_bootenable(int dev_num, unsigned int part_num) +{ + struct mmc *mmc = find_mmc_device(dev_num); + + if (!mmc) + return -1; + + return mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF, + (mmc->part_config & ~(BOOT_PART_ENABLE_MASK | PART_ACCESS_MASK)) + | (part_num & PART_ACCESS_MASK) + | ((part_num << 3) & BOOT_PART_ENABLE_MASK) + | BOOT_ACK); +} + int mmc_getcd(struct mmc *mmc) { int cd; |