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| author | Anish Trivedi <anish@freescale.com> | 2011-10-19 13:51:30 -0500 |
|---|---|---|
| committer | Anish Trivedi <anish@freescale.com> | 2011-10-27 15:56:23 -0500 |
| commit | ec10ca317794cd7e83e11df57e89085046ccd940 (patch) | |
| tree | b48157b44d03963573adf2b3fefc1721097a3645 /include/mmc.h | |
| parent | 1b69b48bbaacca9b355a56598ae5e7342442251f (diff) | |
| download | u-boot-imx-ec10ca317794cd7e83e11df57e89085046ccd940.zip u-boot-imx-ec10ca317794cd7e83e11df57e89085046ccd940.tar.gz u-boot-imx-ec10ca317794cd7e83e11df57e89085046ccd940.tar.bz2 | |
ENGR00139221 USDHC Add SDXC UHS-I support
Modified MMC library for UHS-I command sequence
Added support to USDHC driver for UHS-I
Signed-off-by: Anish Trivedi <anish@freescale.com>
Diffstat (limited to 'include/mmc.h')
| -rw-r--r-- | include/mmc.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/mmc.h b/include/mmc.h index dd47dfc..769fb92 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -31,6 +31,7 @@ #include <linux/list.h> #define SD_VERSION_SD 0x20000 +#define SD_VERSION_3 (SD_VERSION_SD | 0x30) #define SD_VERSION_2 (SD_VERSION_SD | 0x20) #define SD_VERSION_1_0 (SD_VERSION_SD | 0x10) #define SD_VERSION_1_10 (SD_VERSION_SD | 0x1a) @@ -51,6 +52,24 @@ #define MMC_MODE_SPI 0x010 #define MMC_MODE_HC 0x020 +/* UHS-I modes - host and card capabilities*/ +#define SD_UHSI_CAP_SDR104 0x00080000 +#define SD_UHSI_CAP_SDR50 0x00040000 +#define SD_UHSI_CAP_SDR25 0x00020000 +#define SD_UHSI_CAP_SDR12 0x00010000 +#define SD_UHSI_CAP_DDR50 0x00100000 +#define SD_UHSI_CAP_ALL_MODES (SD_UHSI_CAP_SDR104 | SD_UHSI_CAP_SDR50 |\ + SD_UHSI_CAP_DDR50 | SD_UHSI_CAP_SDR25 | SD_UHSI_CAP_SDR12) +#define SD_UHSI_CAP_HS_MODES (SD_UHSI_CAP_SDR104 | SD_UHSI_CAP_SDR50 |\ + SD_UHSI_CAP_DDR50) + +/* UHS-I modes - function numbers */ +#define SD_UHSI_FUNC_SDR12 0 +#define SD_UHSI_FUNC_SDR25 1 +#define SD_UHSI_FUNC_SDR50 2 +#define SD_UHSI_FUNC_SDR104 3 +#define SD_UHSI_FUNC_DDR50 4 + #define SD_DATA_4BIT 0x00040000 #define IS_SD(x) (x->version & SD_VERSION_SD) @@ -121,6 +140,11 @@ #define OCR_VOLTAGE_MASK 0x007FFF80 #define OCR_ACCESS_MODE 0x60000000 +/* UHS-I related defines */ +#define SD_SWITCH_18V 0x01000000 +#define SD_CMD_SWITCH_UHS18V 11 +#define SD_CMD_TUNING 19 + #define SECURE_ERASE 0x80000000 #define MMC_STATUS_MASK (~0x0206BF7F) @@ -315,10 +339,15 @@ struct mmc { uint f_min; uint f_max; int high_capacity; + uint uhs18v; /* UHS-I complaint 1.8V signalling */ uint bus_width; uint clock; uint card_caps; uint host_caps; + uint card_uhs_mode; + uint tuning_min; + uint tuning_max; + uint tuning_step; uint ocr; uint scr[2]; uint csd[4]; @@ -337,6 +366,7 @@ struct mmc { struct mmc_cmd *cmd, struct mmc_data *data); void (*set_ios)(struct mmc *mmc); int (*init)(struct mmc *mmc); + void (*set_tuning)(struct mmc *mmc, uint val); uint b_max; }; |