Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

#ifndef __SD_CARD_H__

#define __SD_CARD_H__

#define SD_BASE_ADD     0x50000000

#define SD_TRANS_TYPE_REG       0x2

#define SD_TRANS_CTRL_REG       0x3

#define SD_TRANS_STS_REG        0x4

#define SD_TRANS_ERROR_REG              0x5

#define SD_DIRECT_ACCESS_DATA_REG       0x6

#define SD_ADDR_7_0_REG         0x7

#define SD_ADDR_15_8_REG        0x8

#define SD_ADDR_23_16_REG       0x9

#define SD_ADDR_31_24_REG       0xa

#define SD_CLK_DEL_REG          0xb

#define SD_RX_FIFO_DATA_REG     0x10

#define SD_RX_FIFO_DATA_COUNT_MSB       0x12

#define SD_RX_FIFO_DATA_COUNT_LSB       0x13

#define SD_RX_FIFO_CONTROL_REG          0x14

#define SD_TX_FIFO_DATA_REG             0x20

#define SD_TX_FIFO_CONTROL_REG          0x24

#define SD_DIRECT_ACCESS        0

#define SD_INIT_SD              1

#define SD_RW_READ_SD_BLOCK     2

#define SD_RW_WRITE_SD_BLOCK    3

#define SD_WRITE_NO_ERROR       0

#define SD_WRITE_CMD_ERROR      1

#define SD_WRITE_DATA_ERROR     2

#define SD_WRITE_BUSY_ERROR     3

#define SD_READ_NO_ERROR        0

#define SD_READ_CMD_ERROR       1

#define SD_READ_TOKEN_ERROR     2

#define SD_INIT_NO_ERROR        0

#define SD_INIT_CMD0_ERROR      1

#define SD_INIT_CMD1_ERROR      2

#define REG8(add)  *((volatile unsigned char *)  (add))

#define REG16(add) *((volatile unsigned short *) (add))

#define REG32(add) *((volatile unsigned long *)  (add))

struct sd_card_dev {

        void                    *vir_base;      /* Virtual address for spiMaster */

        int                     size;           /* the size of the SD Card */

        short                   users;          /* How many users are using me */

        short                   media_change;   /* a flag to save the media change */

        spinlock_t              lock;           /* lock for request queue */

        struct request_queue    *queue;         /* request queue */

        struct gendisk          *gd;            /* gendisk */

};

#endif /* __SD_CARD_H__ */