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drivers/net/greth.h 2.28 KB
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c2b7da552   Daniel Hellstrom   SPARC/LEON3: Adde... 
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  /* Gaisler.com GRETH 10/100/1000 Ethernet MAC driver
   *
   * (C) Copyright 2007
   * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
   *
1a4596601   Wolfgang Denk   Add GPL-2.0+ SPDX... 
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   * SPDX-License-Identifier:	GPL-2.0+
c2b7da552   Daniel Hellstrom   SPARC/LEON3: Adde... 
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   */
  
  #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 unsigned int control;
  	volatile unsigned int status;
  	volatile unsigned int esa_msb;
  	volatile unsigned int esa_lsb;
  	volatile unsigned int mdio;
  	volatile unsigned int tx_desc_p;
  	volatile unsigned int rx_desc_p;
  } greth_regs;
  
  /* Ethernet buffer descriptor */
  typedef struct _greth_bd {
  	volatile unsigned int stat;
  	unsigned int addr;	/* Buffer address not changed by HW */
  } greth_bd;