1/*-
2 * Copyright (c) 1993, 1994, 1995
3 *	Rodney W. Grimes, Milwaukie, Oregon  97222.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer as
10 *    the first lines of this file unmodified.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *	This product includes software developed by Rodney W. Grimes.
17 * 4. The name of the author may not be used to endorse or promote products
18 *    derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY RODNEY W. GRIMES ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL RODNEY W. GRIMES BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 * $FreeBSD$
32 */
33
34/*
35 * Definitions for EtherExpress 16
36 */
37
38#define	IEE16_DATAPORT		0x00	/* shared memory data port */
39#define	IEE16_WRITEPTR		0x02	/* shared memory write pointer */
40#define	IEE16_READPTR		0x04	/* shared memory read pointer */
41
42#define	IEE16_ATTN		0x06	/* channel attention control */
43#define	IEE16_IRQ		0x07	/* IRQ configuration */
44#define	 IEE16_IRQ_DISABLE	0x00	/* disable board interrupts */
45#define	 IEE16_IRQ_ENABLE	0x08	/* enable board interrupts */
46
47#define	IEE16_SHADOWPTR		0x08	/* shadow memory pointer */
48
49#define	IEE16_MEMDEC		0x0a	/* memory decode */
50#define	IEE16_MCTRL		0x0b	/* memory control */
51#define  IEE16_MCTRL_FMCS16	0x10	/* MEMCS16- for F000 */
52
53#define	IEE16_MPCTRL		0x0c	/* memory page control */
54#define	IEE16_CONFIG		0x0d	/* config register */
55#define  IEE16_BART_LOOPBACK	0x02	/* loopback, 0=none, 1=loopback */
56#define  IEE16_BART_IOCHRDY_LATE 0x10	/* iochrdy late control bit */
57#define  IEE16_BART_IO_TEST_EN	0x20	/* enable iochrdy timing test */
58#define  IEE16_BART_IO_RESULT	0x40	/* result of the iochrdy test */
59#define  IEE16_BART_MCS16_TEST	0x80	/* enable memcs16 select test */
60
61#define	IEE16_ECTRL		0x0e	/* eeprom control */
62#define  IEE16_ECTRL_EESK	0x01	/* EEPROM clock bit */
63#define  IEE16_ECTRL_EECS	0x02	/* EEPROM chip select */
64#define  IEE16_ECTRL_EEDI	0x04	/* EEPROM data in bit */
65#define  IEE16_ECTRL_EEDO	0x08	/* EEPROM data out bit */
66#define  IEE16_RESET_ASIC	0x40	/* reset ASIC (bart) pin */
67#define  IEE16_RESET_586	0x80	/* reset 82586 pin */
68#define  IEE16_ECTRL_MASK	0xb2	/* and'ed with ECTRL to enable read  */
69
70#define IEE16_MECTRL		0x0f	/* memory control, 0xe000 seg 'W' */
71#define IEE16_ID_PORT		0x0f	/* auto-id port 'R' */
72
73#define IEE16_ID		0xbaba	/* known id of EE16 */
74
75#define IEE16_EEPROM_READ	0x06	/* EEPROM read opcode */
76#define IEE16_EEPROM_OPSIZE1	0x03	/* size of EEPROM opcodes */
77#define IEE16_EEPROM_ADDR_SIZE	0x06	/* size of EEPROM address */
78
79/* Locations in the EEPROM */
80#define IEE16_EEPROM_CONFIG1	0x00	/* Configuration register 1 */
81#define	IEE16_EEPROM_MEDIA_EXT	0x1000	/* Using external transceiver 0 = AUI */
82
83#define  IEE16_EEPROM_IRQ	0xE000	/* Encoded IRQ */
84#define  IEE16_EEPROM_IRQ_SHIFT	13	/* To shift IRQ to lower bits */
85#define IEE16_EEPROM_LOCK_ADDR	0x01	/* contains the lock bit */
86#define  IEE16_EEPROM_LOCKED	0x01	/* means that it is locked */
87
88#define IEE16_EEPROM_ENET_LOW	0x02	/* Ethernet address, low word */
89#define IEE16_EEPROM_ENET_MID	0x03	/* Ethernet address, middle word */
90#define IEE16_EEPROM_ENET_HIGH	0x04	/* Ethernet address, high word */
91
92#define	IEE16_EEPROM_MEDIA	0x05	/* Selects between TP/BNC */
93#define	 IEE16_EEPROM_MEDIA_TP	0x01	/* if ON, using TP, else BNC */
94