diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/mmc/card.h | 1 | ||||
-rw-r--r-- | include/linux/mmc/mmc.h | 24 |
2 files changed, 24 insertions, 1 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index cd447f8e178e..686434404651 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -80,6 +80,7 @@ struct mmc_ext_csd { #define MMC_DDR_MODE_MASK (0x3<<2) unsigned char boot_info; unsigned char boot_config; + unsigned char boot_bus_width; }; struct sd_scr { diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index aaefef6d73d5..d35ed7d9bbad 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -284,6 +284,7 @@ struct _mmc_csd { #define EXT_CSD_SEC_FEATURE_SUPPORT 231 /* RO */ #define EXT_CSD_TRIM_MULT 232 /* RO */ #define EXT_CSD_BOOT_INFO 228 /* RO, 1 bytes */ +#define EXT_CSD_BOOT_BUS_WIDTH 177 /* * EXT_CSD field definitions @@ -319,7 +320,28 @@ struct _mmc_csd { #define EXT_CSD_SEC_BD_BLK_EN BIT(2) #define EXT_CSD_SEC_GB_CL_EN BIT(4) -#define EXT_CSD_BOOT_PARTITION_ACCESS_MASK (0x3) +#define EXT_CSD_BOOT_BUS_WIDTH_MASK (0x1F) +#define EXT_CSD_BOOT_BUS_WIDTH_MODE_MASK (0x3 << 3) +#define EXT_CSD_BOOT_BUS_WIDTH_MODE_SDR_NORMAL (0x0) +#define EXT_CSD_BOOT_BUS_WIDTH_MODE_SDR_HIGH (0x1) +#define EXT_CSD_BOOT_BUS_WIDTH_MODE_DDR (0x2) +#define EXT_CSD_BOOT_BUS_WIDTH_RST_WIDTH (1 << 2) +#define EXT_CSD_BOOT_BUS_WIDTH_WIDTH_MASK (0x3) +#define EXT_CSD_BOOT_BUS_WIDTH_1_SDR_4_DDR (0x0) +#define EXT_CSD_BOOT_BUS_WIDTH_4_SDR_4_DDR (0x1) +#define EXT_CSD_BOOT_BUS_WIDTH_8_SDR_8_DDR (0x2) + +#define EXT_CSD_BOOT_ACK_ENABLE (0x1 << 6) +#define EXT_CSD_BOOT_PARTITION_ENABLE_MASK (0x7 << 3) +#define EXT_CSD_BOOT_PARTITION_DISABLE (0x0) +#define EXT_CSD_BOOT_PARTITION_PART1 (0x1 << 3) +#define EXT_CSD_BOOT_PARTITION_PART2 (0x2 << 3) +#define EXT_CSD_BOOT_PARTITION_USER (0x7 << 3) + +#define EXT_CSD_BOOT_PARTITION_ACCESS_MASK (0x7) +#define EXT_CSD_BOOT_PARTITION_ACCESS_DISABLE (0x0) +#define EXT_CSD_BOOT_PARTITION_ACCESS_PART1 (0x1) +#define EXT_CSD_BOOT_PARTITION_ACCESS_PART2 (0x2) /* * MMC_SWITCH access modes |