diff options
Diffstat (limited to 'include/mmc.h')
| -rw-r--r-- | include/mmc.h | 116 |
1 files changed, 72 insertions, 44 deletions
diff --git a/include/mmc.h b/include/mmc.h index bcc291568..57338fe11 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -42,8 +42,13 @@ #define MMC_MODE_HS 0x001 #define MMC_MODE_HS_52MHz 0x010 +#define MMC_MODE_1BIT 0x000 #define MMC_MODE_4BIT 0x100 #define MMC_MODE_8BIT 0x200 +#define MMC_MODE_DDR 0x400 +#define MMC_MODE_DDR_4BIT (MMC_MODE_4BIT | MMC_MODE_DDR) +#define MMC_MODE_DDR_8BIT (MMC_MODE_8BIT | MMC_MODE_DDR) +#define MMC_MODE_REL_WR 0x800 #define SD_DATA_4BIT 0x00040000 @@ -72,6 +77,7 @@ #define MMC_CMD_SET_BLOCKLEN 16 #define MMC_CMD_READ_SINGLE_BLOCK 17 #define MMC_CMD_READ_MULTIPLE_BLOCK 18 +#define MMC_CMD_SET_BLOCK_COUNT 23 #define MMC_CMD_WRITE_SINGLE_BLOCK 24 #define MMC_CMD_WRITE_MULTIPLE_BLOCK 25 #define MMC_CMD_APP_CMD 55 @@ -128,11 +134,20 @@ * EXT_CSD fields */ -#define EXT_CSD_BUS_WIDTH 183 /* R/W */ -#define EXT_CSD_HS_TIMING 185 /* R/W */ -#define EXT_CSD_CARD_TYPE 196 /* RO */ -#define EXT_CSD_REV 192 /* RO */ -#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */ +#define EXT_CSD_WR_REL_PARAM 166 /* R */ +#define EXT_CSD_WR_REL_SET 167 /* R/W */ +#define EXT_CSD_BUS_WIDTH 183 /* R/W */ +#define EXT_CSD_HS_TIMING 185 /* R/W */ +#define EXT_CSD_POWER_CLASS 187 /* R/W */ +#define EXT_CSD_REV 192 /* RO */ +#define EXT_CSD_CARD_TYPE 196 /* RO */ +#define EXT_CSD_OUT_OF_INT_TIME 198 /* RO */ +#define EXT_CSD_MIN_PERF_R_8_52 209 /* RO */ +#define EXT_CSD_MIN_PERF_W_8_52 210 /* RO */ +#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */ +#define EXT_CSD_REL_WR_SEC_C 222 /* RO */ +#define EXT_CSD_PWR_CL_DDR_52_195 238 /* RO */ +#define EXT_CSD_PWR_CL_DDR_52_360 239 /* RO */ /* * EXT_CSD field definitions @@ -148,6 +163,11 @@ #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 */ #define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */ +#define EXT_CSD_BUS_WIDTH_DDR_4 5 /* Card is in 4 bit ddr mode */ +#define EXT_CSD_BUS_WIDTH_DDR_8 6 /* Card is in 8 bit ddr mode */ + +#define EXT_CSD_WR_REL_PARAM_HS_CTRL_REL (1 << 0) +#define EXT_CSD_WR_REL_PARAM_EN_REL_WR (1 << 2) #define R1_ILLEGAL_COMMAND (1 << 22) #define R1_APP_CMD (1 << 5) @@ -179,45 +199,49 @@ struct mmc_cid { char pnm[7]; }; -struct mmc_csd -{ - u8 csd_structure:2, - spec_vers:4, - rsvd1:2; - u8 taac; - u8 nsac; - u8 tran_speed; - u16 ccc:12, - read_bl_len:4; - u64 read_bl_partial:1, - write_blk_misalign:1, - read_blk_misalign:1, - dsr_imp:1, - rsvd2:2, - c_size:12, - vdd_r_curr_min:3, - vdd_r_curr_max:3, - vdd_w_curr_min:3, - vdd_w_curr_max:3, - c_size_mult:3, - sector_size:5, - erase_grp_size:5, - wp_grp_size:5, - wp_grp_enable:1, - default_ecc:2, - r2w_factor:3, - write_bl_len:4, - write_bl_partial:1, - rsvd3:5; - u8 file_format_grp:1, - copy:1, - perm_write_protect:1, - tmp_write_protect:1, - file_format:2, - ecc:2; - u8 crc:7; - u8 one:1; -}; +/* + * CSD_EXTRACT can be used as is for all CSD members except for c_size + * because c_size spans over a 32-bit boundary and must be expressed by a + * combination. + */ +#define CSD_EXTRACT(csd, bit, width) ((csd[3-(bit/32)] & \ + (((1 << width) - 1) << (bit - (bit/32) * 32))) >> (bit - (bit/32) * 32)) + +#define CSD_STRUCTURE(csd) CSD_EXTRACT(csd, 126, 2) +#define CSD_SPEC_VERS(csd) CSD_EXTRACT(csd, 122, 4) +#define CSD_TAAC(csd) CSD_EXTRACT(csd, 112, 8) +#define CSD_NSAC(csd) CSD_EXTRACT(csd, 104, 8) +#define CSD_TRAN_SPEED(csd) CSD_EXTRACT(csd, 96, 8) +#define CSD_CCC(csd) CSD_EXTRACT(csd, 4, 12) +#define CSD_READ_BL_LEN(csd) CSD_EXTRACT(csd, 80, 1) +#define CSD_READ_BL_PARTIAL(csd) CSD_EXTRACT(csd, 79, 1) +#define CSD_WRITE_BLK_MISALIGN(csd) CSD_EXTRACT(csd, 78, 1) +#define CSD_READ_BLK_MISALIGN(csd) CSD_EXTRACT(csd, 77, 1) +#define CSD_DSR_IMP(csd) CSD_EXTRACT(csd, 76, 1) +#define CSD_C_SIZE(csd) (CSD_EXTRACT(csd, 64, 10) << 2 | \ + CSD_EXTRACT(csd, 62, 2)) +#define CSD_HC_SIZE(csd) (CSD_EXTRACT(csd, 64, 8) << 16 | \ + CSD_EXTRACT(csd, 48, 16)) +#define CSD_VDD_R_CURR_MIN(csd) CSD_EXTRACT(csd, 59, 3) +#define CSD_VDD_R_CURR_MAX(csd) CSD_EXTRACT(csd, 56, 3) +#define CSD_VDD_W_CURR_MIN(csd) CSD_EXTRACT(csd, 53, 3) +#define CSD_VDD_W_CURR_MAX(csd) CSD_EXTRACT(csd, 50, 3) +#define CSD_C_SIZE_MULT(csd) CSD_EXTRACT(csd, 47, 3) +#define CSD_ERASE_GRP_SIZE(csd) CSD_EXTRACT(csd, 42, 5) +#define CSD_ERASE_GRP_MULT(csd) CSD_EXTRACT(csd, 37, 5) +#define CSD_WP_GRP_SIZE(csd) CSD_EXTRACT(csd, 32, 5) +#define CSD_WP_GRP_ENABLE(csd) CSD_EXTRACT(csd, 31, 1) +#define CSD_DEFAULT_ECC(csd) CSD_EXTRACT(csd, 29, 2) +#define CSD_R2W_FACTOR(csd) CSD_EXTRACT(csd, 26, 3) +#define CSD_WRITE_BL_LEN(csd) CSD_EXTRACT(csd, 22, 4) +#define CSD_WRITE_BL_PARTIAL(csd) CSD_EXTRACT(csd, 21, 1) +#define CSD_FILE_FORMAT_GRP(csd) CSD_EXTRACT(csd, 15, 1) +#define CSD_COPY(csd) CSD_EXTRACT(csd, 14, 1) +#define CSD_PERM_WRITE_PROTECT(csd) CSD_EXTRACT(csd, 13, 1) +#define CSD_TMP_WRITE_PROTECT(csd) CSD_EXTRACT(csd, 12, 1) +#define CSD_ECC(csd) CSD_EXTRACT(csd, 8, 2) +#define CSD_CRC(csd) CSD_EXTRACT(csd, 1, 2) +#define CSD_ONE(csd) CSD_EXTRACT(csd, 0, 1) struct mmc_cmd { ushort cmdidx; @@ -258,6 +282,10 @@ struct mmc { uint tran_speed; uint read_bl_len; uint write_bl_len; + uint data_timeout; + uint wr_rel_param; + uint rel_wr_sec_c; + u8 ddr_en; u64 capacity; block_dev_desc_t block_dev; int (*send_cmd)(struct mmc *mmc, |