diff options
| author | Peng Fan <[email protected]> | 2018-08-10 14:07:54 +0800 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2018-09-10 20:48:19 -0400 |
| commit | 3dd2626f48af6f459b8bfb9ce7c6832b0606e813 (patch) | |
| tree | 830a2fc08b8891760a3ae60f0c39674a360c70ad /include | |
| parent | 51330c72f048e03cfbf7f7d614b259dda4bca469 (diff) | |
mmc: add HS400 support
Add HS400 support.
Selecting HS400 needs first select HS200 according to spec, so use
a dedicated function for HS400.
Add HS400 related macros.
Remove the restriction of only using the low 6 bits of
EXT_CSD_CARD_TYPE, using all the 8 bits.
Signed-off-by: Peng Fan <[email protected]>
Cc: Jaehoon Chung <[email protected]>
Cc: Jean-Jacques Hiblot <[email protected]>
Cc: Stefano Babic <[email protected]>
Cc: Kishon Vijay Abraham I <[email protected]>
Cc: Faiz Abbas <[email protected]>
Cc: Marek Vasut <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
Diffstat (limited to 'include')
| -rw-r--r-- | include/mmc.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/mmc.h b/include/mmc.h index df4255b828a..9b9cbedadc8 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -64,6 +64,7 @@ #define MMC_MODE_HS_52MHz MMC_CAP(MMC_HS_52) #define MMC_MODE_DDR_52MHz MMC_CAP(MMC_DDR_52) #define MMC_MODE_HS200 MMC_CAP(MMC_HS_200) +#define MMC_MODE_HS400 MMC_CAP(MMC_HS_400) #define MMC_MODE_8BIT BIT(30) #define MMC_MODE_4BIT BIT(29) @@ -248,6 +249,10 @@ static inline bool mmc_is_tuning_cmd(uint cmdidx) /* SDR mode @1.2V I/O */ #define EXT_CSD_CARD_TYPE_HS200 (EXT_CSD_CARD_TYPE_HS200_1_8V | \ EXT_CSD_CARD_TYPE_HS200_1_2V) +#define EXT_CSD_CARD_TYPE_HS400_1_8V BIT(6) +#define EXT_CSD_CARD_TYPE_HS400_1_2V BIT(7) +#define EXT_CSD_CARD_TYPE_HS400 (EXT_CSD_CARD_TYPE_HS400_1_8V | \ + EXT_CSD_CARD_TYPE_HS400_1_2V) #define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */ #define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */ @@ -259,6 +264,7 @@ static inline bool mmc_is_tuning_cmd(uint cmdidx) #define EXT_CSD_TIMING_LEGACY 0 /* no high speed */ #define EXT_CSD_TIMING_HS 1 /* HS */ #define EXT_CSD_TIMING_HS200 2 /* HS200 */ +#define EXT_CSD_TIMING_HS400 3 /* HS400 */ #define EXT_CSD_BOOT_ACK_ENABLE (1 << 6) #define EXT_CSD_BOOT_PARTITION_ENABLE (1 << 3) @@ -519,6 +525,7 @@ enum bus_mode { UHS_DDR50, UHS_SDR104, MMC_HS_200, + MMC_HS_400, MMC_MODES_END }; @@ -533,6 +540,10 @@ static inline bool mmc_is_mode_ddr(enum bus_mode mode) else if (mode == UHS_DDR50) return true; #endif +#if CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) + else if (mode == MMC_HS_400) + return true; +#endif else return false; } |