diff options
| author | Tom Rini | 2014-02-07 14:15:20 -0500 |
|---|---|---|
| committer | Pantelis Antoniou | 2014-04-02 13:02:58 +0300 |
| commit | 33ace362fdf80e2e2ea4cdf2829a5179c52de3f4 (patch) | |
| tree | f7aaebbd0705f03361cfbb13d0e4441b44384b82 /include | |
| parent | 74c32ef58dbcc204af03f5d7188b5cea3959974c (diff) | |
mmc: Add 'mmc rst-function' sub-command
Some eMMC chips may need the RST_n_FUNCTION bit set to a non-zero value
in order for warm reset of the system to work. Details on this being
required will be part of the eMMC datasheet. Also add using this
command to the dra7xx README.
* Whitespace fix by panto
Signed-off-by: Tom Rini <trini@ti.com>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/mmc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/mmc.h b/include/mmc.h index 8a8297437bb..c0a1d9e0221 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -150,6 +150,7 @@ #define EXT_CSD_GP_SIZE_MULT 143 /* 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 */ #define EXT_CSD_RPMB_MULT 168 /* RO */ #define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */ #define EXT_CSD_BOOT_BUS_WIDTH 177 @@ -332,6 +333,8 @@ int mmc_boot_partition_size_change(struct mmc *mmc, unsigned long bootsize, 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); +/* Function to modify the RST_n_FUNCTION field of EXT_CSD */ +int mmc_set_rst_n_function(struct mmc *mmc, u8 enable); /** * Start device initialization and return immediately; it does not block on |