2 * Ethernet driver for the Atmel AT91RM9200 (Thunder)
4 * Copyright (C) SAN People (Pty) Ltd
6 * Based on an earlier Atmel EMAC macrocell driver by Atmel and Lineo Inc.
7 * Initial version by Rick Bronson.
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
19 /* Davicom 9161 PHY */
20 #define MII_DM9161_ID 0x0181b880
21 #define MII_DM9161A_ID 0x0181b8a0
23 /* Davicom specific registers */
24 #define MII_DSCR_REG 16
25 #define MII_DSCSR_REG 17
26 #define MII_DSINTR_REG 21
28 /* Intel LXT971A PHY */
29 #define MII_LXT971A_ID 0x001378E0
31 /* Intel specific registers */
32 #define MII_ISINTE_REG 18
33 #define MII_ISINTS_REG 19
34 #define MII_LEDCTRL_REG 20
36 /* Realtek RTL8201 PHY */
37 #define MII_RTL8201_ID 0x00008200
39 /* Broadcom BCM5221 PHY */
40 #define MII_BCM5221_ID 0x004061e0
42 /* Broadcom specific registers */
43 #define MII_BCMINTR_REG 26
45 /* National Semiconductor DP83847 */
46 #define MII_DP83847_ID 0x20005c30
48 /* Altima AC101L PHY */
49 #define MII_AC101L_ID 0x00225520
51 /* Micrel KS8721 PHY */
52 #define MII_KS8721_ID 0x00221610
54 /* ........................................................................ */
56 #define MAX_RBUFF_SZ 0x600 /* 1518 rounded up */
57 #define MAX_RX_DESCR 9 /* max number of receive buffers */
59 #define EMAC_DESC_DONE 0x00000001 /* bit for if DMA is done */
60 #define EMAC_DESC_WRAP 0x00000002 /* bit for wrap */
62 #define EMAC_BROADCAST 0x80000000 /* broadcast address */
63 #define EMAC_MULTICAST 0x40000000 /* multicast address */
64 #define EMAC_UNICAST 0x20000000 /* unicast address */
74 struct rbf_t descriptors[MAX_RX_DESCR]; /* must be on sizeof (rbf_t) boundary */
75 char recv_buf[MAX_RX_DESCR][MAX_RBUFF_SZ]; /* must be on long boundary */
80 struct net_device_stats stats;
81 struct mii_if_info mii; /* ethtool support */
82 struct at91_eth_data board_data; /* board-specific configuration */
85 unsigned long phy_type; /* type of PHY (PHY_ID) */
86 spinlock_t lock; /* lock for MDI interface */
87 short phy_media; /* media interface type */
88 unsigned short phy_address; /* 5-bit MDI address of PHY (0..31) */
91 struct sk_buff *skb; /* holds skb until xmit interrupt completes */
92 dma_addr_t skb_physaddr; /* phys addr from pci_map_single */
93 int skb_length; /* saved skb length for pci_unmap_single */
96 int rxBuffIndex; /* index into receive descriptor list */
97 struct recv_desc_bufs *dlist; /* descriptor list address */
98 struct recv_desc_bufs *dlist_phys; /* descriptor list physical address */