@@ -255,6 +255,13 @@ static int mmc_read_ext_csd(struct mmc_card *card)
/* Cards with density > 2GiB are sector addressed */
if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512)
mmc_card_set_blockaddr(card);
+
+ if (card->ext_csd.sectors) {
+ unsigned boot_sectors;
+ /* size is in 256K chunks, i.e. 512 sectors each */
+ boot_sectors = ext_csd[EXT_CSD_BOOT_SIZE_MULTI] * 512;
+ card->ext_csd.sectors -= boot_sectors;
+ }
}
switch (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_MASK) {
@@ -267,6 +267,7 @@ struct _mmc_csd {
#define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */
#define EXT_CSD_ERASE_TIMEOUT_MULT 223 /* RO */
#define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
+#define EXT_CSD_BOOT_SIZE_MULTI 226 /* RO */
#define EXT_CSD_SEC_TRIM_MULT 229 /* RO */
#define EXT_CSD_SEC_ERASE_MULT 230 /* RO */
#define EXT_CSD_SEC_FEATURE_SUPPORT 231 /* RO */