Protocol definitions.
The basic commands needed for the later patches. The R1_APP_CMD seems to be misdefined in protocol.h so this patch changes it.
Index: linux-sd/include/linux/mmc/mmc.h =================================================================== --- linux-sd/include/linux/mmc/mmc.h (revision 135) +++ linux-sd/include/linux/mmc/mmc.h (working copy) @@ -37,6 +37,7 @@ #define MMC_RSP_R1B (MMC_RSP_SHORT|MMC_RSP_CRC|MMC_RSP_BUSY) #define MMC_RSP_R2 (MMC_RSP_LONG|MMC_RSP_CRC) #define MMC_RSP_R3 (MMC_RSP_SHORT) +#define MMC_RSP_R6 (MMC_RSP_SHORT|MMC_RSP_CRC) unsigned int retries; /* max number of retries */ unsigned int error; /* command error */ Index: linux-sd/include/linux/mmc/protocol.h =================================================================== --- linux-sd/include/linux/mmc/protocol.h (revision 135) +++ linux-sd/include/linux/mmc/protocol.h (working copy) @@ -76,6 +76,16 @@ #define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */ #define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1b */ +/* SD commands type argument response */ + /* class 8 */ +/* This is basically the same command as for MMC with some quirks. */ +#define SD_SEND_RELATIVE_ADDR 3 /* ac R6 */ + + /* Application commands */ +#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */ +#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */ +#define SD_APP_SEND_SCR 51 /* adtc R1 */ + /* MMC status in R1 Type @@ -113,7 +123,7 @@ #define R1_STATUS(x) (x & 0xFFFFE000) #define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */ #define R1_READY_FOR_DATA (1 << 8) /* sx, a */ -#define R1_APP_CMD (1 << 7) /* sr, c */ +#define R1_APP_CMD (1 << 5) /* sr, c */ /* These are unpacked versions of the actual responses */
