This adds the erase group size and high-capacity WP group size to mmcinfo's output. The erase group size is necessary to properly align erase requests on eMMC. The high-capacity WP group size is necessary to properly align partitions on eMMC.
Signed-off-by: Diego Santa Cruz Diego.SantaCruz@spinetix.com --- common/cmd_mmc.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c index 6b0a35f..491a889 100644 --- a/common/cmd_mmc.c +++ b/common/cmd_mmc.c @@ -95,9 +95,16 @@ static void print_mmcinfo(struct mmc *mmc) printf("Bus Width: %d-bit%s\n", mmc->bus_width, mmc->ddr_mode ? " DDR" : "");
+ puts("Erase Group Size: "); + print_size(((u64)mmc->erase_grp_size) << 9, "\n"); + if (!IS_SD(mmc) && (mmc->version >= MMC_VERSION_4_41)) { bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0; bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR); + + puts("HC WP Group Size: "); + print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n"); + puts("User Capacity: "); print_size(mmc->capacity_user, usr_enh ? " ENH\n" : "\n"); if (usr_enh) { @@ -106,10 +113,13 @@ static void print_mmcinfo(struct mmc *mmc) puts("User Enhanced Size: "); print_size(mmc->enh_user_size, "\n"); } + puts("Boot Capacity: "); print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n"); + puts("RPMB Capacity: "); print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n"); + for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) { bool is_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_GP(i));