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MMC: fix user capacity for partitioned eMMC card

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if the card claims to be high capacity and the card
is partitioned the capacity shall still be read from
ext_csd SEC_COUNT even if the resulting capacity is
smaller than 2 GiB

Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
Markus Niebel 2014-11-18 15:11:42 +01:00 • committed by Pantelis Antoniou
parent e75eaf100b
commit d7b2912991
2 changed files with 18 additions and 0 deletions
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3
include/mmc.h
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@ -147,6 +147,7 @@
* EXT_CSD fields
*/
#define EXT_CSD_GP_SIZE_MULT 143 /* R/W */
#define EXT_CSD_PARTITION_SETTING 155 /* R/W */
#define EXT_CSD_PARTITIONS_ATTRIBUTE 156 /* R/W */
#define EXT_CSD_PARTITIONING_SUPPORT 160 /* RO */
#define EXT_CSD_RST_N_FUNCTION 162 /* R/W */
@ -197,6 +198,8 @@
#define EXT_CSD_BOOT_BUS_WIDTH_RESET(x) (x << 2)
#define EXT_CSD_BOOT_BUS_WIDTH_WIDTH(x) (x)
#define EXT_CSD_PARTITION_SETTING_COMPLETED (1 << 0)
#define R1_ILLEGAL_COMMAND (1 << 22)
#define R1_APP_CMD (1 << 5)