text: /*
   * Ethernet driver for the Atmel AT91RM9200 (Thunder)
   *
   *  Copyright (C) SAN People (Pty) Ltd
   *
   * Based on an earlier Atmel EMAC macrocell driver by Atmel and Lineo Inc.
   * Initial version by Rick Bronson.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation; either version
   * 2 of the License, or (at your option) any later version.
   */
  
  #ifndef AT91_ETHERNET
  #define AT91_ETHERNET
  
  
  /* Davicom 9161 PHY */
  #define MII_DM9161_ID		0x0181b880
  #define MII_DM9161A_ID		0x0181b8a0
  #define MII_DSCR_REG		16
  #define MII_DSCSR_REG		17
  #define MII_DSINTR_REG		21
  
  /* Intel LXT971A PHY */
  #define MII_LXT971A_ID		0x001378E0
  #define MII_ISINTE_REG		18
  #define MII_ISINTS_REG		19
  #define MII_LEDCTRL_REG		20
  
  /* Realtek RTL8201 PHY */
  #define MII_RTL8201_ID		0x00008200
  
  /* Broadcom BCM5221 PHY */
  #define MII_BCM5221_ID		0x004061e0
  #define MII_BCMINTR_REG		26
  
  /* National Semiconductor DP83847 */
  #define MII_DP83847_ID		0x20005c30
  
  /* National Semiconductor DP83848 */
  #define MII_DP83848_ID		0x20005c90
  #define MII_DPPHYSTS_REG	16
  #define MII_DPMICR_REG		17
  #define MII_DPMISR_REG		18
  
  /* Altima AC101L PHY */
  #define MII_AC101L_ID		0x00225520
  
  /* Micrel KS8721 PHY */
  #define MII_KS8721_ID		0x00221610
  
  /* Teridian 78Q2123/78Q2133 */
  #define MII_T78Q21x3_ID		0x000e7230
  #define MII_T78Q21INT_REG	17
  
  /* SMSC LAN83C185 */
  #define MII_LAN83C185_ID	0x0007C0A0
  
  /* ........................................................................ */
  
  #define MAX_RBUFF_SZ	0x600		/* 1518 rounded up */
  #define MAX_RX_DESCR	9		/* max number of receive buffers */
  
  #define EMAC_DESC_DONE	0x00000001	/* bit for if DMA is done */
  #define EMAC_DESC_WRAP	0x00000002	/* bit for wrap */
  
  #define EMAC_BROADCAST	0x80000000	/* broadcast address */
  #define EMAC_MULTICAST	0x40000000	/* multicast address */
  #define EMAC_UNICAST	0x20000000	/* unicast address */
  
  struct rbf_t
  {
  	unsigned int addr;
  	unsigned long size;
  };
  
  struct recv_desc_bufs
  {
  	struct rbf_t descriptors[MAX_RX_DESCR];		/* must be on sizeof (rbf_t) boundary */
  	char recv_buf[MAX_RX_DESCR][MAX_RBUFF_SZ];	/* must be on long boundary */
  };
  
  struct at91_private
  {
  	struct mii_if_info mii;			/* ethtool support */
  	struct at91_eth_data board_data;	/* board-specific configuration */
  	struct clk *ether_clk;			/* clock */
  
  	/* PHY */
  	unsigned long phy_type;			/* type of PHY (PHY_ID) */
  	spinlock_t lock;			/* lock for MDI interface */
  	short phy_media;			/* media interface type */
  	unsigned short phy_address;		/* 5-bit MDI address of PHY (0..31) */
  	struct timer_list check_timer;		/* Poll link status */
  
  	/* Transmit */
  	struct sk_buff *skb;			/* holds skb until xmit interrupt completes */
  	dma_addr_t skb_physaddr;		/* phys addr from pci_map_single */
  	int skb_length;				/* saved skb length for pci_unmap_single */
  
  	/* Receive */
  	int rxBuffIndex;			/* index into receive descriptor list */
  	struct recv_desc_bufs *dlist;		/* descriptor list address */
  	struct recv_desc_bufs *dlist_phys;	/* descriptor list physical address */
  };
  
  #endif
  