diff options
| -rw-r--r-- | drivers/mmc/mmc.c | 6 | ||||
| -rw-r--r-- | include/mmc.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index be21101..16a7a90 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1065,7 +1065,9 @@ static int mmc_startup(struct mmc *mmc) return err; else ext_csd[EXT_CSD_ERASE_GROUP_DEF] = 1; + } + if (ext_csd[EXT_CSD_ERASE_GROUP_DEF] & 0x01) { /* Read out group size from ext_csd */ mmc->erase_grp_size = ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * 1024; @@ -1092,6 +1094,10 @@ static int mmc_startup(struct mmc *mmc) mmc->erase_grp_size = (erase_gsz + 1) * (erase_gmul + 1); } + + mmc->hc_wp_grp_size = 1024 + * ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] + * ext_csd[EXT_CSD_HC_WP_GRP_SIZE]; } err = mmc_set_capacity(mmc, mmc->part_num); diff --git a/include/mmc.h b/include/mmc.h index 6c8bbfc..bcaf9f0 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -316,6 +316,7 @@ struct mmc { uint read_bl_len; uint write_bl_len; uint erase_grp_size; /* in 512-byte sectors */ + uint hc_wp_grp_size; /* in 512-byte sectors */ u64 capacity; u64 capacity_user; u64 capacity_boot; |