mirror of
https://github.com/lcbcFoo/ReonV.git
synced 2025-04-22 20:47:15 -04:00
121 lines
3.2 KiB
C
121 lines
3.2 KiB
C
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#define GRETH_FD 0x10
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#define GRETH_RESET 0x40
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#define GRETH_MII_BUSY 0x8
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#define GRETH_MII_NVALID 0x10
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/* MII registers */
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#define GRETH_MII_EXTADV_1000FD 0x00000200
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#define GRETH_MII_EXTADV_1000HD 0x00000100
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#define GRETH_MII_EXTPRT_1000FD 0x00000800
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#define GRETH_MII_EXTPRT_1000HD 0x00000400
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#define GRETH_MII_100T4 0x00000200
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#define GRETH_MII_100TXFD 0x00000100
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#define GRETH_MII_100TXHD 0x00000080
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#define GRETH_MII_10FD 0x00000040
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#define GRETH_MII_10HD 0x00000020
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#define GRETH_BD_EN 0x800
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#define GRETH_BD_WR 0x1000
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#define GRETH_BD_IE 0x2000
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#define GRETH_BD_LEN 0x7FF
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#define GRETH_TXEN 0x1
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#define GRETH_INT_TX 0x8
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#define GRETH_TXI 0x4
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#define GRETH_TXBD_STATUS 0x0001C000
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#define GRETH_TXBD_MORE 0x20000
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#define GRETH_TXBD_IPCS 0x40000
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#define GRETH_TXBD_TCPCS 0x80000
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#define GRETH_TXBD_UDPCS 0x100000
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#define GRETH_TXBD_ERR_LC 0x10000
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#define GRETH_TXBD_ERR_UE 0x4000
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#define GRETH_TXBD_ERR_AL 0x8000
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#define GRETH_TXBD_NUM 128
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#define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1)
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#define GRETH_TX_BUF_SIZE 2048
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#define GRETH_INT_RX 0x4
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#define GRETH_RXEN 0x2
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#define GRETH_RXI 0x8
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#define GRETH_RXBD_STATUS 0xFFFFC000
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#define GRETH_RXBD_ERR_AE 0x4000
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#define GRETH_RXBD_ERR_FT 0x8000
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#define GRETH_RXBD_ERR_CRC 0x10000
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#define GRETH_RXBD_ERR_OE 0x20000
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#define GRETH_RXBD_ERR_LE 0x40000
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#define GRETH_RXBD_IP_DEC 0x80000
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#define GRETH_RXBD_IP_CSERR 0x100000
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#define GRETH_RXBD_UDP_DEC 0x200000
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#define GRETH_RXBD_UDP_CSERR 0x400000
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#define GRETH_RXBD_TCP_DEC 0x800000
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#define GRETH_RXBD_TCP_CSERR 0x1000000
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#define GRETH_RXBD_NUM 128
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#define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1)
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#define GRETH_RX_BUF_SIZE 2048
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/* Ethernet configuration registers */
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typedef struct _greth_regs {
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volatile int control;
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volatile int status;
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volatile int esa_msb;
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volatile int esa_lsb;
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volatile int mdio;
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volatile int tx_desc_p;
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volatile int rx_desc_p;
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volatile int edclip;
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} greth_regs;
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/* Ethernet buffer descriptor */
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typedef struct _greth_bd {
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int stat;
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int addr; /* Buffer address */
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} greth_bd;
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struct descriptor
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{
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volatile int ctrl;
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volatile int addr;
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};
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struct rxstatus
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{
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};
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struct greth_info {
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greth_regs *regs; /* Address of controller registers. */
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unsigned char esa[6];
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unsigned int gbit;
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unsigned int phyaddr;
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unsigned int edcl;
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unsigned int edclen;
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struct descriptor *txd;
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struct descriptor *rxd;
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unsigned int txpnt;
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unsigned int rxpnt;
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unsigned int txchkpnt;
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unsigned int rxchkpnt;
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};
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int read_mii(int phyaddr, int addr, volatile greth_regs *regs);
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void write_mii(int phyaddr, int addr, int data, volatile greth_regs *regs);
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int greth_set_mac_address(struct greth_info *greth, unsigned char *addr);
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int greth_init(struct greth_info *greth);
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inline int greth_tx(int size, char *buf, struct greth_info *greth);
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inline int greth_rx(char *buf, struct greth_info *greth);
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inline int greth_checkrx(int *size, struct rxstatus *rxs, struct greth_info *greth);
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inline int greth_checktx(struct greth_info *greth);
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