This introduces no functional change, but adds a number of definitions that will come in handy when adding erase support in a later commit. Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> --- include/mci.h | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 60 insertions(+), 1 deletion(-) diff --git a/include/mci.h b/include/mci.h index 4f1ff9dc57c8..610040937ee5 100644 --- a/include/mci.h +++ b/include/mci.h @@ -14,6 +14,7 @@ #define _MCI_H_ #include <linux/list.h> +#include <linux/bits.h> #include <block.h> #include <fs.h> #include <regulator.h> @@ -28,6 +29,7 @@ #define SD_VERSION_1_0 (SD_VERSION_SD | 0x100) #define SD_VERSION_1_10 (SD_VERSION_SD | 0x1a0) #define SD_VERSION_2 (SD_VERSION_SD | 0x200) +#define SD_VERSION_3 (SD_VERSION_SD | 0x300) /* Firmware revisions for MMC cards */ #define MMC_VERSION_MMC 0x10000 @@ -59,7 +61,8 @@ /* Mask of all caps for bus width */ #define MMC_CAP_BIT_DATA_MASK (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA) -#define SD_DATA_4BIT 0x00040000 +#define SD_DATA_4BIT BIT(18) +#define SD_DATA_STAT_AFTER_ERASE BIT(23) #define IS_SD(x) (x->version & SD_VERSION_SD) @@ -90,11 +93,21 @@ #define MMC_CMD_SPI_READ_OCR 58 #define MMC_CMD_SPI_CRC_ON_OFF 59 + /* class 5 */ +#define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */ +#define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */ +#define MMC_ERASE 38 /* ac R1b */ + #define SD_CMD_SEND_RELATIVE_ADDR 3 #define SD_CMD_SWITCH_FUNC 6 #define SD_CMD_SEND_IF_COND 8 + /* class 5 */ +#define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */ +#define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */ + #define SD_CMD_APP_SET_BUS_WIDTH 6 +#define SD_CMD_APP_SD_STATUS 13 #define SD_CMD_APP_SEND_OP_COND 41 #define SD_CMD_APP_SEND_SCR 51 @@ -110,6 +123,35 @@ /** card's response in its OCR if it is a high capacity card */ #define OCR_HCS 0x40000000 +/* + * Card Command Classes (CCC) + */ +#define CCC_BASIC (1<<0) /* (0) Basic protocol functions */ + /* (CMD0,1,2,3,4,7,9,10,12,13,15) */ + /* (and for SPI, CMD58,59) */ +#define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */ + /* (CMD11) */ +#define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */ + /* (CMD16,17,18) */ +#define CCC_STREAM_WRITE (1<<3) /* (3) Stream write commands */ + /* (CMD20) */ +#define CCC_BLOCK_WRITE (1<<4) /* (4) Block write commands */ + /* (CMD16,24,25,26,27) */ +#define CCC_ERASE (1<<5) /* (5) Ability to erase blocks */ + /* (CMD32,33,34,35,36,37,38,39) */ +#define CCC_WRITE_PROT (1<<6) /* (6) Able to write protect blocks */ + /* (CMD28,29,30) */ +#define CCC_LOCK_CARD (1<<7) /* (7) Able to lock down card */ + /* (CMD16,CMD42) */ +#define CCC_APP_SPEC (1<<8) /* (8) Application specific */ + /* (CMD55,56,57,ACMD*) */ +#define CCC_IO_MODE (1<<9) /* (9) I/O mode */ + /* (CMD5,39,40,52,53) */ +#define CCC_SWITCH (1<<10) /* (10) High speed switch */ + /* (CMD6,34,35,36,37,50) */ + /* (11) Reserved */ + /* (CMD?) */ + #define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */ #define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */ #define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */ @@ -139,6 +181,21 @@ #define SD_SWITCH_CHECK 0 #define SD_SWITCH_SWITCH 1 +/* + * Erase/trim/discard + */ +#define MMC_ERASE_ARG 0x00000000 +#define MMC_SECURE_ERASE_ARG 0x80000000 +#define MMC_TRIM_ARG 0x00000001 +#define MMC_DISCARD_ARG 0x00000003 +#define MMC_SECURE_TRIM1_ARG 0x80000001 +#define MMC_SECURE_TRIM2_ARG 0x80008000 +#define MMC_SECURE_ARGS 0x80000000 +#define MMC_TRIM_OR_DISCARD_ARGS 0x00008003 + +#define SD_ERASE_ARG 0x00000000 +#define SD_DISCARD_ARG 0x00000001 + /* * EXT_CSD fields */ @@ -338,6 +395,8 @@ #define EXT_CSD_TIMING_HS400 3 /* HS400 */ #define EXT_CSD_DRV_STR_SHIFT 4 /* Driver Strength shift */ +#define EXT_CSD_SEC_FEATURE_TRIM_EN (1 << 4) /* Support secure & insecure trim */ + #define R1_ILLEGAL_COMMAND (1 << 22) #define R1_STATUS(x) (x & 0xFFF9A000) #define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */ -- 2.39.2
