diff options
| -rw-r--r-- | drivers/mmc/mmc.c | 3 | ||||
| -rw-r--r-- | include/mmc.h | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index dde251c87bc..1af6af82e6b 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -2432,6 +2432,9 @@ static int mmc_startup_v4(struct mmc *mmc) mmc->wr_rel_set = ext_csd[EXT_CSD_WR_REL_SET]; + mmc->can_trim = + !!(ext_csd[EXT_CSD_SEC_FEATURE] & EXT_CSD_SEC_FEATURE_TRIM_EN); + return 0; error: if (mmc->ext_csd) { diff --git a/include/mmc.h b/include/mmc.h index 36dd841d5d1..b8fbff150de 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -241,6 +241,7 @@ static inline bool mmc_is_tuning_cmd(uint cmdidx) #define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */ #define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */ #define EXT_CSD_BOOT_MULT 226 /* RO */ +#define EXT_CSD_SEC_FEATURE 231 /* RO */ #define EXT_CSD_GENERIC_CMD6_TIME 248 /* RO */ #define EXT_CSD_BKOPS_SUPPORT 502 /* RO */ @@ -315,6 +316,8 @@ static inline bool mmc_is_tuning_cmd(uint cmdidx) #define EXT_CSD_WR_DATA_REL_USR (1 << 0) /* user data area WR_REL */ #define EXT_CSD_WR_DATA_REL_GP(x) (1 << ((x)+1)) /* GP part (x+1) WR_REL */ +#define EXT_CSD_SEC_FEATURE_TRIM_EN (1 << 4) /* Support secure & insecure trim */ + #define R1_ILLEGAL_COMMAND (1 << 22) #define R1_APP_CMD (1 << 5) @@ -687,6 +690,7 @@ struct mmc { uint tran_speed; uint legacy_speed; /* speed for the legacy mode provided by the card */ uint read_bl_len; + bool can_trim; #if CONFIG_IS_ENABLED(MMC_WRITE) uint write_bl_len; uint erase_grp_size; /* in 512-byte sectors */ |