Subversion Repositories mips_enhanced

#define GRETH_FD 0x10

#define GRETH_RESET 0x40

#define GRETH_MII_BUSY 0x8

#define GRETH_MII_NVALID 0x10

/* MII registers */

#define GRETH_MII_EXTADV_1000FD 0x00000200

#define GRETH_MII_EXTADV_1000HD 0x00000100

#define GRETH_MII_EXTPRT_1000FD 0x00000800

#define GRETH_MII_EXTPRT_1000HD 0x00000400

#define GRETH_MII_100T4         0x00000200

#define GRETH_MII_100TXFD       0x00000100

#define GRETH_MII_100TXHD       0x00000080

#define GRETH_MII_10FD          0x00000040

#define GRETH_MII_10HD          0x00000020

#define GRETH_BD_EN 0x800

#define GRETH_BD_WR 0x1000

#define GRETH_BD_IE 0x2000

#define GRETH_BD_LEN 0x7FF

#define GRETH_TXEN 0x1

#define GRETH_INT_TX 0x8

#define GRETH_TXI 0x4

#define GRETH_TXBD_STATUS 0x0001C000

#define GRETH_TXBD_MORE 0x20000

#define GRETH_TXBD_IPCS 0x40000

#define GRETH_TXBD_TCPCS 0x80000

#define GRETH_TXBD_UDPCS 0x100000

#define GRETH_TXBD_ERR_LC 0x10000

#define GRETH_TXBD_ERR_UE 0x4000

#define GRETH_TXBD_ERR_AL 0x8000

#define GRETH_TXBD_NUM 128

#define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1)

#define GRETH_TX_BUF_SIZE 2048

#define GRETH_INT_RX         0x4

#define GRETH_RXEN           0x2

#define GRETH_RXI            0x8

#define GRETH_RXBD_STATUS    0xFFFFC000

#define GRETH_RXBD_ERR_AE    0x4000

#define GRETH_RXBD_ERR_FT    0x8000

#define GRETH_RXBD_ERR_CRC   0x10000

#define GRETH_RXBD_ERR_OE    0x20000

#define GRETH_RXBD_ERR_LE    0x40000

#define GRETH_RXBD_IP_DEC    0x80000

#define GRETH_RXBD_IP_CSERR  0x100000

#define GRETH_RXBD_UDP_DEC   0x200000

#define GRETH_RXBD_UDP_CSERR 0x400000

#define GRETH_RXBD_TCP_DEC   0x800000

#define GRETH_RXBD_TCP_CSERR 0x1000000

#define GRETH_RXBD_NUM 128

#define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1)

#define GRETH_RX_BUF_SIZE 2048

/* Ethernet configuration registers */

typedef struct _greth_regs {

    volatile int    control;

    volatile int    status;

    volatile int    esa_msb;

    volatile int    esa_lsb;

    volatile int    mdio;

    volatile int    tx_desc_p;

    volatile int    rx_desc_p;

    volatile int    edclip;

} greth_regs;

/* Ethernet buffer descriptor */

typedef struct _greth_bd {

    int    stat;

    int    addr;           /* Buffer address */

} greth_bd;

struct descriptor

{

    volatile int ctrl;

    volatile int addr;

};

struct rxstatus

{

};

struct greth_info {

    greth_regs *regs;            /* Address of controller registers. */

    unsigned char esa[6];

    unsigned int gbit;

    unsigned int phyaddr;

    unsigned int edcl;

    struct descriptor *txd;

    struct descriptor *rxd;

    unsigned int txpnt;

    unsigned int rxpnt;

    unsigned int txchkpnt;

    unsigned int rxchkpnt;

};

int read_mii(int phyaddr, int addr, volatile greth_regs *regs);

void write_mii(int phyaddr, int addr, int data, volatile greth_regs *regs);

int greth_set_mac_address(struct greth_info *greth, unsigned char *addr);

int greth_init(struct greth_info *greth);

inline int greth_tx(int size, char *buf, struct greth_info *greth);

inline int greth_rx(char *buf, struct greth_info *greth);

inline int greth_checkrx(int *size, struct rxstatus *rxs, struct greth_info *greth);

inline int greth_checktx(struct greth_info *greth);