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 1d9eceb396d8..8613fa6a6860 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -49,6 +49,7 @@ struct mmc_ext_csd { unsigned char boot_info; unsigned char boot_size_mult; 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 0ffc8fe3da3e..f8fcc0b7f401 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -251,6 +251,7 @@ struct _mmc_csd { * EXT_CSD fields */ +#define EXT_CSD_BOOT_BUS_WIDTH 177 /* R/W */ #define EXT_CSD_BOOT_CONFIG 179 /* R/W */ #define EXT_CSD_BUS_WIDTH 183 /* R/W */ #define EXT_CSD_HS_TIMING 185 /* R/W */ @@ -280,7 +281,28 @@ struct _mmc_csd { #define EXT_CSD_BUS_WIDTH_4_DDR 5 /* Card is in 4 bit ddr mode */ #define EXT_CSD_BUS_WIDTH_8_DDR 6 /* Card is in 8 bit ddr mode */ -#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 |