diff options
| author | Jean-Jacques Hiblot <jjhiblot@ti.com> | 2017-09-21 16:29:53 +0200 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2018-01-12 18:11:03 +0900 |
| commit | 35f9e196f9573af4091076c19aaa6d5afeb91338 (patch) | |
| tree | d69ec3c6da3a50424cedef4ad3891aa3c4b3d0bb /include/mmc.h | |
| parent | 7382e691ca528785d9d3ca8b74c4811b4f0bfe07 (diff) | |
mmc: introduce mmc modes
no functionnal changes.
In order to add the support for the high speed SD and MMC modes, it is
useful to track this information.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/mmc.h')
| -rw-r--r-- | include/mmc.h | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/include/mmc.h b/include/mmc.h index 7d2b363acb..76bd57ae42 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -52,12 +52,15 @@ #define MMC_VERSION_5_0 MAKE_MMC_VERSION(5, 0, 0) #define MMC_VERSION_5_1 MAKE_MMC_VERSION(5, 1, 0) -#define MMC_MODE_HS (1 << 0) -#define MMC_MODE_HS_52MHz (1 << 1) -#define MMC_MODE_4BIT (1 << 2) -#define MMC_MODE_8BIT (1 << 3) -#define MMC_MODE_SPI (1 << 4) -#define MMC_MODE_DDR_52MHz (1 << 5) +#define MMC_CAP(mode) (1 << mode) +#define MMC_MODE_HS (MMC_CAP(MMC_HS) | MMC_CAP(SD_HS)) +#define MMC_MODE_HS_52MHz MMC_CAP(MMC_HS_52) +#define MMC_MODE_DDR_52MHz MMC_CAP(MMC_DDR_52) + +#define MMC_MODE_8BIT BIT(30) +#define MMC_MODE_4BIT BIT(29) +#define MMC_MODE_SPI BIT(27) + #define SD_DATA_4BIT 0x00040000 @@ -406,6 +409,24 @@ struct sd_ssr { unsigned int erase_offset; /* In milliseconds */ }; +enum bus_mode { + MMC_LEGACY, + SD_LEGACY, + MMC_HS, + SD_HS, + UHS_SDR12, + UHS_SDR25, + UHS_SDR50, + UHS_SDR104, + UHS_DDR50, + MMC_HS_52, + MMC_DDR_52, + MMC_HS_200, + MMC_MODES_END +}; + +const char *mmc_mode_name(enum bus_mode mode); + /* * With CONFIG_DM_MMC enabled, struct mmc can be accessed from the MMC device * with mmc_get_mmc_dev(). @@ -436,6 +457,7 @@ struct mmc { u8 wr_rel_set; u8 part_config; uint tran_speed; + uint legacy_speed; /* speed for the legacy mode provided by the card */ uint read_bl_len; uint write_bl_len; uint erase_grp_size; /* in 512-byte sectors */ @@ -463,6 +485,7 @@ struct mmc { #endif #endif u8 *ext_csd; + enum bus_mode selected_mode; }; struct mmc_hwpart_conf { |