diff options
Diffstat (limited to 'drivers/mmc/pxamci.h')
| -rw-r--r-- | drivers/mmc/pxamci.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/mmc/pxamci.h b/drivers/mmc/pxamci.h new file mode 100644 index 00000000000..1b163220df2 --- /dev/null +++ b/drivers/mmc/pxamci.h @@ -0,0 +1,124 @@ +#undef MMC_STRPCL +#undef MMC_STAT +#undef MMC_CLKRT +#undef MMC_SPI +#undef MMC_CMDAT +#undef MMC_RESTO +#undef MMC_RDTO +#undef MMC_BLKLEN +#undef MMC_NOB +#undef MMC_PRTBUF +#undef MMC_I_MASK +#undef END_CMD_RES +#undef PRG_DONE +#undef DATA_TRAN_DONE +#undef MMC_I_REG +#undef MMC_CMD +#undef MMC_ARGH +#undef MMC_ARGL +#undef MMC_RES +#undef MMC_RXFIFO +#undef MMC_TXFIFO + +#define MMC_STRPCL 0x0000 +#define STOP_CLOCK (1 << 0) +#define START_CLOCK (2 << 0) + +#define MMC_STAT 0x0004 +#define STAT_END_CMD_RES (1 << 13) +#define STAT_PRG_DONE (1 << 12) +#define STAT_DATA_TRAN_DONE (1 << 11) +#define STAT_CLK_EN (1 << 8) +#define STAT_RECV_FIFO_FULL (1 << 7) +#define STAT_XMIT_FIFO_EMPTY (1 << 6) +#define STAT_RES_CRC_ERR (1 << 5) +#define STAT_SPI_READ_ERROR_TOKEN (1 << 4) +#define STAT_CRC_READ_ERROR (1 << 3) +#define STAT_CRC_WRITE_ERROR (1 << 2) +#define STAT_TIME_OUT_RESPONSE (1 << 1) +#define STAT_READ_TIME_OUT (1 << 0) + +#define MMC_CLKRT 0x0008 /* 3 bit */ + +#define MMC_SPI 0x000c +#define SPI_CS_ADDRESS (1 << 3) +#define SPI_CS_EN (1 << 2) +#define CRC_ON (1 << 1) +#define SPI_EN (1 << 0) + +#define MMC_CMDAT 0x0010 +#define CMDAT_DMAEN (1 << 7) +#define CMDAT_INIT (1 << 6) +#define CMDAT_BUSY (1 << 5) +#define CMDAT_STREAM (1 << 4) /* 1 = stream */ +#define CMDAT_WRITE (1 << 3) /* 1 = write */ +#define CMDAT_DATAEN (1 << 2) +#define CMDAT_RESP_NONE (0 << 0) +#define CMDAT_RESP_SHORT (1 << 0) +#define CMDAT_RESP_R2 (2 << 0) +#define CMDAT_RESP_R3 (3 << 0) + +#define MMC_RESTO 0x0014 /* 7 bit */ + +#define MMC_RDTO 0x0018 /* 16 bit */ + +#define MMC_BLKLEN 0x001c /* 10 bit */ + +#define MMC_NOB 0x0020 /* 16 bit */ + +#define MMC_PRTBUF 0x0024 +#define BUF_PART_FULL (1 << 0) + +#define MMC_I_MASK 0x0028 + +/*PXA27x MMC interrupts*/ +#define SDIO_SUSPEND_ACK (1 << 12) +#define SDIO_INT (1 << 11) +#define RD_STALLED (1 << 10) +#define RES_ERR (1 << 9) +#define DAT_ERR (1 << 8) +#define TINT (1 << 7) + +/*PXA2xx MMC interrupts*/ +#define TXFIFO_WR_REQ (1 << 6) +#define RXFIFO_RD_REQ (1 << 5) +#define CLK_IS_OFF (1 << 4) +#define STOP_CMD (1 << 3) +#define END_CMD_RES (1 << 2) +#define PRG_DONE (1 << 1) +#define DATA_TRAN_DONE (1 << 0) + +#ifdef CONFIG_PXA27x +#define MMC_I_MASK_ALL 0x00001fff +#else +#define MMC_I_MASK_ALL 0x0000007f +#endif + +#define MMC_I_REG 0x002c +/* same as MMC_I_MASK */ + +#define MMC_CMD 0x0030 + +#define MMC_ARGH 0x0034 /* 16 bit */ + +#define MMC_ARGL 0x0038 /* 16 bit */ + +#define MMC_RES 0x003c /* 16 bit */ + +#define MMC_RXFIFO 0x0040 /* 8 bit */ + +#define MMC_TXFIFO 0x0044 /* 8 bit */ + +/* + * The base MMC clock rate + */ +#ifdef CONFIG_PXA27x +#define CLOCKRATE_MIN 304688 +#define CLOCKRATE_MAX 19500000 +#else +#define CLOCKRATE_MIN 312500 +#define CLOCKRATE_MAX 20000000 +#endif + +#define CLOCKRATE CLOCKRATE_MAX + |