diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drivers/mmc.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/drivers/mmc.h b/include/drivers/mmc.h index 0a513bd64..50e08001d 100644 --- a/include/drivers/mmc.h +++ b/include/drivers/mmc.h @@ -36,6 +36,20 @@ #define OCR_VDD_MIN_2V0 GENMASK(14, 8) #define OCR_VDD_MIN_1V7 BIT(7) +#define MMC_RSP_48 BIT(0) +#define MMC_RSP_136 BIT(1) /* 136 bit response */ +#define MMC_RSP_CRC BIT(2) /* expect valid crc */ +#define MMC_RSP_CMD_IDX BIT(3) /* response contains cmd idx */ +#define MMC_RSP_BUSY BIT(4) /* device may be busy */ + +/* JEDEC 4.51 chapter 6.12 */ +#define MMC_RESPONSE_R1 (MMC_RSP_48 | MMC_RSP_CMD_IDX | MMC_RSP_CRC) +#define MMC_RESPONSE_R1B (MMC_RESPONSE_R1 | MMC_RSP_BUSY) +#define MMC_RESPONSE_R2 (MMC_RSP_136 | MMC_RSP_CRC) +#define MMC_RESPONSE_R3 (MMC_RSP_48) +#define MMC_RESPONSE_R4 (MMC_RSP_48) +#define MMC_RESPONSE_R5 (MMC_RSP_48 | MMC_RSP_CRC) + #define MMC_RESPONSE_R(_x) U(_x) /* Value randomly chosen for eMMC RCA, it should be > 1 */ |