1/*	$NetBSD: if_efreg.h,v 1.3 1998/02/28 20:43:28 pk Exp $	*/
2
3/*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Rafal K. Boni.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*
33 * Card-specific definitions and macros for the 3Com 3C507/3C507TP
34 */
35
36/*
37 * Register offsets (from IOBASE)
38 */
39
40/* All banks */
41#define	EF_CTRL		6	/* offset of general control register */
42#define	EF_ICTRL	10	/* offset of intr. latch clear register */
43#define	EF_ATTN 	11	/* offset of CA register */
44#define	EF_MEDIA	13	/* offset of ROM & xcvr config register */
45#define	EF_MADDR	14	/* offset of shared memory config register */
46#define	EF_IRQ		15	/* offset of IRQ configuration register */
47
48/* Bank 0 -- "*3COM*" signature */
49#define EF_SIG		0	/* offset of ASCII signature -- "*3COM*" */
50
51/* Bank 1 -- ethernet address */
52#define EF_ADDR		0	/* offset of card's ethernet address */
53
54/* Bank 2 -- card part #, revision, date of manufacture */
55#define	EF_TYPE		0	/* offset of card part # */
56#define	EF_TYPE_HI	0	/* offset of card part # -- high byte */
57#define EF_TYPE_MID	1	/* offset of card part # -- middle byte */
58#define EF_TYPE_LOW	2	/* offset of card part # -- low byte */
59#define EF_REV		3	/* offset of card revision, in BCD */
60#define EF_DOM_DAY	4	/* offset of date of manf: day in BCD */
61#define EF_DOM_MY	4	/* offset of date of manf: month, year in BCD */
62
63/*
64 * Definitions for non-bankswitched registers
65 */
66
67/* General control register */
68#define	EF_CTRL_BNK0	0x00	/* register bank 0 */
69#define	EF_CTRL_BNK1	0x01	/* register bank 1 */
70#define	EF_CTRL_BNK2	0x02	/* register bank 2 */
71#define	EF_CTRL_IEN	0x04	/* interrupt enable */
72#define	EF_CTRL_INTL	0x08	/* interrupt active latch */
73#define	EF_CTRL_16BIT	0x10	/* bus width; clear = 8-bit, set = 16-bit */
74#define	EF_CTRL_LOOP	0x20	/* loopback mode */
75#define	EF_CTRL_NRST	0x80	/* turn off to reset */
76#define	EF_CTRL_RESET	(EF_CTRL_LOOP)
77#define	EF_CTRL_NORMAL	(EF_CTRL_NRST | EF_CTRL_IEN | EF_CTRL_BNK1)
78
79/* ROM & media control register */
80#define EF_MEDIA_MASK	0x80	/* m1 = (EF_MEDIA register) & EF_MEDIA_MASK */
81#define EF_MEDIA_SHIFT	7	/* media index = m1 >> EF_MEDIA_SHIFT */
82
83/* shared memory control register */
84#define EF_MADDR_HIGH	0x20	/* memory mapping above 15Meg */
85#define EF_MADDR_MASK	0x1c	/* m1 = (EF_MADDR register) & EF_MADDR_MASK */
86#define EF_MADDR_SHIFT	12	/* m2 = m1 << EF_MADDR_SHIFT  */
87#define EF_MADDR_BASE	0xc0000	/* maddr = m2 + EF_MADDR_BASE */
88#define EF_MSIZE_MASK	0x03	/* m1 = (EF_MADDR register) & EF_MSIZE_MASK */
89#define EF_MSIZE_STEP	16384	/* msize = (m1 + 1) * EF_MSIZE_STEP */
90
91/* interrupt control register */
92#define EF_IRQ_MASK	0x0f	/* irq = (EF_IRQ register) & EF_IRQ_MASK */
93
94/*
95 * Definitions for Bank 0 registers
96 */
97#define EF_SIG_LEN	6	/* signature length */
98#define EF_SIGNATURE	"*3COM*"
99
100/*
101 * Definitions for Bank 1 registers
102 */
103#define EF_ADDR_LEN	6	/* ether address length */
104
105/*
106 * Definitions for Bank 2 registers
107 */
108#define EF_TYPE_LEN	3	/* card part # length */
109
110/*
111 * General card-specific macros and definitions
112 */
113#define EF_IOBASE_LOW	0x200
114#define EF_IOBASE_HIGH	0x3e0
115#define EF_IOSIZE	16
116
117/*
118 * XXX: It seems that the 3C507-TP is differentiated from AUI/BNC 3C507
119 * by part numbers, but I'm not sure how accurate this test is, seeing
120 * as it's based on the sample of 3 cards I own (2AUI/BNC, 1 TP).
121 */
122#define EF_IS_TP(type)	((type)[EF_TYPE_MID] > 0x70)
123
124#define EF_CARD_BNC	0	/* regular AUI/BNC 3C507 */
125#define EF_CARD_TP	1	/* 3C507-TP -- no AUI/BNC */
126
127