Subversion Repositories sdcard_mass_storage_controller

#ifndef  __sd_controller_h_

#define __sd_controller_h_

//SD_CONTROLLER Register

uint32 test_readwrite(unsigned long arg, unsigned short reg);

#define WORD_0 0x00

#define WORD_1 0x40

#define WORD_2 0x80

#define WORD_3 0xC0

#define SD_ARG 0x00

#define SD_COMMAND 0x04 

#define SD_STATUS 0x08

#define SD_RESP1 0x0c

#define SD_CTRL 0x1c

#define SD_BLOCK 0x20

#define SD_POWER 0x24

#define SD_SOFTWARE_RST 0x28

#define SD_TIMEOUT 0x2c

#define SD_NORMAL_INT_STATUS 0x30

#define SD_ERROR_INT_STATUS 0x34

#define SD_NORMAL_INT_STATUS_ENABLE 0x38

#define SD_ERROR_INT_STATUS_ENABLE 0x3c

#define SD_NOMAL_INT_SIGNAL_ENABLE  0x40

#define SD_ERROR_INT_SIGNAL_ENABLE  0x44

#define SD_CAPABILITY  0x48

#define SD_CLOCK_D  0x4c

#define BD_STATUS 0x50

#define BD_ISR 0x54

#define BD_RX 0x60

#define BD_TX 0x80

#define CLK_CARD 25000000

#define CLK_CPU 50000000

#define CMD_TIMEOUT_MS ((CLK_CPU/CLK_CARD) * 512)

#define MAX_POL 1000

#define SD_REG(REG)  REG32(SD_CONTROLLER_BASE+REG) 

//Commands

#define CMD2 0x200

#define CMD3 0x300

#define CMD7 0x700

#define CMD8  0x800

#define CMD9  0x900

#define CMD16  0x1000

#define CMD17  0x1100

#define ACMD41 0x2900

#define ACMD6 0x600

#define CMD55 0x3700

//CMD ARG

//CMD8

#define VHS  0x100 //2.7-3.6V

#define CHECK_PATTERN 0xAA

//ACMD41

#define BUSY 0x80000000

#define HCS 0x40000000

#define VOLTAGE_MASK 0xFFFFFF

//CMD7

#define READY_FOR_DATA 0x100

#define CARD_STATUS_STB  0x600

//Command setting

#define CICE 0x10

#define CRCE 0x08

#define RSP_48 0x2

#define RSP_146 0x1

//Status Mask

//Normal interupt status

#define CMD_COMPLETE 0x1

#define EI 0x8000

//Error interupt status

#define CMD_TIMEOUT 0x1

#define CCRC 0x1

#define CIE  0x8

#define CID_MID_MASK 0x7F8000

#define CID_OID_MASK 0x7FFF             

#define CID_B1 0x7F800000

#define CID_B2 0x7F8000

#define CID_B3 0x7F80

#define CID_B4 0x7F

#define RCA_RCA_MASK 0xFFFF0000

typedef struct {

        unsigned int pad:18;

        unsigned  int cmdi:6;

        unsigned  int cmdt:2;

        unsigned  int dps:1;

        unsigned  int cice:1;

        unsigned  int crce:1;

        unsigned  int  rsvd:1;

        unsigned  int rts:2;

}sd_controller_csr ;

typedef struct {

        uint8 mid:8;

        uint16 oid:16;

        unsigned char pnm[5];

        uint8 prv:8;

        uint32 psn:32;

        uint8 rsv:4;

        uint16 mdt:12;

}sd_card_cid;

typedef struct {

}sd_card_csd;

typedef struct  {

        uint32 rca;

        uint32 Voltage_window;

        uint8 HCS_s;

        uint8 Active;

        uint8 phys_spec_2_0;

         sd_card_cid * cid_reg;

        sd_card_csd * csd_reg;

}sd_card ;

int sd_cmd_free();

int sd_get_cid(sd_card *d);

int sd_get_rca(sd_card *d);

uint8 sd_wait_rsp();

unsigned long sd_ocr_set (unsigned long cmd1, unsigned long arg1, unsigned long cmd2, unsigned long  arg2);

sd_card sd_controller_init ();

#endif