diff options
| author | Tom Rini <trini@ti.com> | 2014-02-05 10:24:22 -0500 |
|---|---|---|
| committer | Pantelis Antoniou <panto@antoniou-consulting.com> | 2014-02-07 18:17:49 +0200 |
| commit | 5a99b9de1a845bf254292ae4730633e6ca8a29c7 (patch) | |
| tree | 1affc403ef892fb8c5eafac34221d77adfccbbed /include | |
| parent | 792970b0a344d905848fb98564ed469786af11b7 (diff) | |
cmd_mmc.c: Add bootbus mmc sub-command
Add a bootbus sub-command to the mmc command to allow for setting
the boot_bus_width, reset_boot_bus_width and boot_mode fields of
BOOT_BUS_WIDTH (EXT_CSD[177]).
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Tom Rini <trini@ti.com>
Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/mmc.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/mmc.h b/include/mmc.h index 7e026da444..3594286d42 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -187,6 +187,9 @@ #define EXT_CSD_BOOT_PART_NUM(x) (x << 3) #define EXT_CSD_PARTITION_ACCESS(x) (x << 0) +#define EXT_CSD_BOOT_BUS_WIDTH_MODE(x) (x << 3) +#define EXT_CSD_BOOT_BUS_WIDTH_RESET(x) (x << 2) +#define EXT_CSD_BOOT_BUS_WIDTH_WIDTH(x) (x) #define R1_ILLEGAL_COMMAND (1 << 22) #define R1_APP_CMD (1 << 5) @@ -314,6 +317,8 @@ int mmc_boot_partition_size_change(struct mmc *mmc, unsigned long bootsize, int mmc_boot_part_access(struct mmc *mmc, u8 ack, u8 part_num, u8 access); /* Function to modify the PARTITION_CONFIG field of EXT_CSD */ int mmc_set_part_conf(struct mmc *mmc, u8 ack, u8 part_num, u8 access); +/* Function to modify the BOOT_BUS_WIDTH field of EXT_CSD */ +int mmc_set_boot_bus_width(struct mmc *mmc, u8 width, u8 reset, u8 mode); /** * Start device initialization and return immediately; it does not block on |