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Linux kernel mirror (for testing)
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linux
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
23/* Davicom specific registers */
24#define MII_DSCR_REG 16
25#define MII_DSCSR_REG 17
26#define MII_DSINTR_REG 21
27
28/* Intel LXT971A PHY */
29#define MII_LXT971A_ID 0x001378E0
30
31/* Intel specific registers */
32#define MII_ISINTE_REG 18
33#define MII_ISINTS_REG 19
34#define MII_LEDCTRL_REG 20
35
36/* Realtek RTL8201 PHY */
37#define MII_RTL8201_ID 0x00008200
38
39/* Broadcom BCM5221 PHY */
40#define MII_BCM5221_ID 0x004061e0
41
42/* Broadcom specific registers */
43#define MII_BCMINTR_REG 26
44
45/* National Semiconductor DP83847 */
46#define MII_DP83847_ID 0x20005c30
47
48/* Altima AC101L PHY */
49#define MII_AC101L_ID 0x00225520
50
51/* Micrel KS8721 PHY */
52#define MII_KS8721_ID 0x00221610
53
54/* ........................................................................ */
55
56#define MAX_RBUFF_SZ 0x600 /* 1518 rounded up */
57#define MAX_RX_DESCR 9 /* max number of receive buffers */
58
59#define EMAC_DESC_DONE 0x00000001 /* bit for if DMA is done */
60#define EMAC_DESC_WRAP 0x00000002 /* bit for wrap */
61
62#define EMAC_BROADCAST 0x80000000 /* broadcast address */
63#define EMAC_MULTICAST 0x40000000 /* multicast address */
64#define EMAC_UNICAST 0x20000000 /* unicast address */
65
66struct rbf_t
67{
68 unsigned int addr;
69 unsigned long size;
70};
71
72struct recv_desc_bufs
73{
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 */
76};
77
78struct at91_private
79{
80 struct net_device_stats stats;
81 struct mii_if_info mii; /* ethtool support */
82 struct at91_eth_data board_data; /* board-specific configuration */
83
84 /* PHY */
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) */
89
90 /* Transmit */
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 */
94
95 /* Receive */
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 */
99};
100
101#endif