Passing bootpart argument as 0 will cause the BOOT_ACK (Bit[6]) and BOOT_PARTITION_ENABLE (Bit[5:3]) to be set back to the device default. --- mmc.h | 1 + mmc_cmds.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/mmc.h b/mmc.h index 9871d62..1127d75 100644 --- a/mmc.h +++ b/mmc.h @@ -99,6 +99,7 @@ #define EXT_CSD_HW_RESET_EN (0x01) #define EXT_CSD_HW_RESET_DIS (0x02) #define EXT_CSD_PART_CONFIG_ACC_MASK (0x7) +#define EXT_CSD_PART_CONFIG_ACC_NO_BOOT (0x0) #define EXT_CSD_PART_CONFIG_ACC_BOOT0 (0x1) #define EXT_CSD_PART_CONFIG_ACC_BOOT1 (0x2) #define EXT_CSD_PART_CONFIG_ACC_USER_AREA (0x7) diff --git a/mmc_cmds.c b/mmc_cmds.c index b8afa74..af6f09f 100644 --- a/mmc_cmds.c +++ b/mmc_cmds.c @@ -280,6 +280,9 @@ int do_write_boot_en(int nargs, char **argv) case EXT_CSD_PART_CONFIG_ACC_USER_AREA: value |= (boot_area << 3); break; + case EXT_CSD_PART_CONFIG_ACC_NO_BOOT: + value &= 0x87; /* Zero out Bit[6] and Bit[5:3] */ + break; default: fprintf(stderr, "Cannot enable the boot area\n"); exit(1); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
