1/*
2 * Ethernet driver for the Atmel AT91RM9200 (Thunder)
3 *
4 *  Copyright (C) SAN People (Pty) Ltd
5 *
6 * Based on an earlier Atmel EMAC macrocell driver by Atmel and Lineo Inc.
7 * Initial version by Rick Bronson.
8 *
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.
13 */
14
15#ifndef AT91_ETHERNET
16#define AT91_ETHERNET
17
18
19/* Davicom 9161 PHY */
20#define MII_DM9161_ID		0x0181b880
21#define MII_DM9161A_ID		0x0181b8a0
22#define MII_DSCR_REG		16
23#define MII_DSCSR_REG		17
24#define MII_DSINTR_REG		21
25
26/* Intel LXT971A PHY */
27#define MII_LXT971A_ID		0x001378E0
28#define MII_ISINTE_REG		18
29#define MII_ISINTS_REG		19
30#define MII_LEDCTRL_REG		20
31
32/* Realtek RTL8201 PHY */
33#define MII_RTL8201_ID		0x00008200
34
35/* Broadcom BCM5221 PHY */
36#define MII_BCM5221_ID		0x004061e0
37#define MII_BCMINTR_REG		26
38
39/* National Semiconductor DP83847 */
40#define MII_DP83847_ID		0x20005c30
41
42/* National Semiconductor DP83848 */
43#define MII_DP83848_ID		0x20005c90
44#define MII_DPPHYSTS_REG	16
45#define MII_DPMICR_REG		17
46#define MII_DPMISR_REG		18
47
48/* Altima AC101L PHY */
49#define MII_AC101L_ID		0x00225520
50
51/* Micrel KS8721 PHY */
52#define MII_KS8721_ID		0x00221610
53
54/* Teridian 78Q2123/78Q2133 */
55#define MII_T78Q21x3_ID		0x000e7230
56#define MII_T78Q21INT_REG	17
57
58/* SMSC LAN83C185 */
59#define MII_LAN83C185_ID	0x0007C0A0
60
61/* ........................................................................ */
62
63#define MAX_RBUFF_SZ	0x600		/* 1518 rounded up */
64#define MAX_RX_DESCR	9		/* max number of receive buffers */
65
66#define EMAC_DESC_DONE	0x00000001	/* bit for if DMA is done */
67#define EMAC_DESC_WRAP	0x00000002	/* bit for wrap */
68
69#define EMAC_BROADCAST	0x80000000	/* broadcast address */
70#define EMAC_MULTICAST	0x40000000	/* multicast address */
71#define EMAC_UNICAST	0x20000000	/* unicast address */
72
73struct rbf_t
74{
75	unsigned int addr;
76	unsigned long size;
77};
78
79struct recv_desc_bufs
80{
81	struct rbf_t descriptors[MAX_RX_DESCR];		/* must be on sizeof (rbf_t) boundary */
82	char recv_buf[MAX_RX_DESCR][MAX_RBUFF_SZ];	/* must be on long boundary */
83};
84
85struct at91_private
86{
87	struct mii_if_info mii;			/* ethtool support */
88	struct macb_platform_data board_data;	/* board-specific
89						 * configuration (shared with
90						 * macb for common data */
91	struct clk *ether_clk;			/* clock */
92
93	/* PHY */
94	unsigned long phy_type;			/* type of PHY (PHY_ID) */
95	spinlock_t lock;			/* lock for MDI interface */
96	short phy_media;			/* media interface type */
97	unsigned short phy_address;		/* 5-bit MDI address of PHY (0..31) */
98	struct timer_list check_timer;		/* Poll link status */
99
100	/* Transmit */
101	struct sk_buff *skb;			/* holds skb until xmit interrupt completes */
102	dma_addr_t skb_physaddr;		/* phys addr from pci_map_single */
103	int skb_length;				/* saved skb length for pci_unmap_single */
104
105	/* Receive */
106	int rxBuffIndex;			/* index into receive descriptor list */
107	struct recv_desc_bufs *dlist;		/* descriptor list address */
108	struct recv_desc_bufs *dlist_phys;	/* descriptor list physical address */
109};
110
111#endif
112