if_efreg.h revision 1.2 1 /* $NetBSD: if_efreg.h,v 1.2 1998/02/28 01:14:15 pk Exp $ */
2 /* $Id: if_efreg.h,v 1.2 1998/02/28 01:14:15 pk Exp $ */
3
4 /*-
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Rafal K. Boni.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /*
41 * Card-specific definitions and macros for the 3Com 3C507/3C507TP
42 */
43
44 /*
45 * Register offsets (from IOBASE)
46 */
47
48 /* All banks */
49 #define EF_CTRL 6 /* offset of general control register */
50 #define EF_ICTRL 10 /* offset of intr. latch clear register */
51 #define EF_ATTN 11 /* offset of CA register */
52 #define EF_MEDIA 13 /* offset of ROM & xcvr config register */
53 #define EF_MADDR 14 /* offset of shared memory config register */
54 #define EF_IRQ 15 /* offset of IRQ configuration register */
55
56 /* Bank 0 -- "*3COM*" signature */
57 #define EF_SIG 0 /* offset of ASCII signature -- "*3COM*" */
58
59 /* Bank 1 -- ethernet address */
60 #define EF_ADDR 0 /* offset of card's ethernet address */
61
62 /* Bank 2 -- card part #, revision, date of manufacture */
63 #define EF_TYPE 0 /* offset of card part # */
64 #define EF_TYPE_HI 0 /* offset of card part # -- high byte */
65 #define EF_TYPE_MID 1 /* offset of card part # -- middle byte */
66 #define EF_TYPE_LOW 2 /* offset of card part # -- low byte */
67 #define EF_REV 3 /* offset of card revision, in BCD */
68 #define EF_DOM_DAY 4 /* offset of date of manf: day in BCD */
69 #define EF_DOM_MY 4 /* offset of date of manf: month, year in BCD */
70
71 /*
72 * Definitions for non-bankswitched registers
73 */
74
75 /* General control register */
76 #define EF_CTRL_BNK0 0x00 /* register bank 0 */
77 #define EF_CTRL_BNK1 0x01 /* register bank 1 */
78 #define EF_CTRL_BNK2 0x02 /* register bank 2 */
79 #define EF_CTRL_IEN 0x04 /* interrupt enable */
80 #define EF_CTRL_INTL 0x08 /* interrupt active latch */
81 #define EF_CTRL_16BIT 0x10 /* bus width; clear = 8-bit, set = 16-bit */
82 #define EF_CTRL_LOOP 0x20 /* loopback mode */
83 #define EF_CTRL_NRST 0x80 /* turn off to reset */
84 #define EF_CTRL_RESET (EF_CTRL_LOOP)
85 #define EF_CTRL_NORMAL (EF_CTRL_NRST | EF_CTRL_IEN | EF_CTRL_BNK1)
86
87 /* ROM & media control register */
88 #define EF_MEDIA_MASK 0x80 /* m1 = (EF_MEDIA register) & EF_MEDIA_MASK */
89 #define EF_MEDIA_SHIFT 7 /* media index = m1 >> EF_MEDIA_SHIFT */
90
91 /* shared memory control register */
92 #define EF_MADDR_HIGH 0x20 /* memory mapping above 15Meg */
93 #define EF_MADDR_MASK 0x1c /* m1 = (EF_MADDR register) & EF_MADDR_MASK */
94 #define EF_MADDR_SHIFT 12 /* m2 = m1 << EF_MADDR_SHIFT */
95 #define EF_MADDR_BASE 0xc0000 /* maddr = m2 + EF_MADDR_BASE */
96 #define EF_MSIZE_MASK 0x03 /* m1 = (EF_MADDR register) & EF_MSIZE_MASK */
97 #define EF_MSIZE_STEP 16384 /* msize = (m1 + 1) * EF_MSIZE_STEP */
98
99 /* interrupt control register */
100 #define EF_IRQ_MASK 0x0f /* irq = (EF_IRQ register) & EF_IRQ_MASK */
101
102 /*
103 * Definitions for Bank 0 registers
104 */
105 #define EF_SIG_LEN 6 /* signature length */
106 #define EF_SIGNATURE "*3COM*"
107
108 /*
109 * Definitions for Bank 1 registers
110 */
111 #define EF_ADDR_LEN 6 /* ether address length */
112
113 /*
114 * Definitions for Bank 2 registers
115 */
116 #define EF_TYPE_LEN 3 /* card part # length */
117
118 /*
119 * General card-specific macros and definitions
120 */
121 #define EF_IOBASE_LOW 0x200
122 #define EF_IOBASE_HIGH 0x3e0
123 #define EF_IOSIZE 16
124
125 /*
126 * XXX: It seems that the 3C507-TP is differentiated from AUI/BNC 3C507
127 * by part numbers, but I'm not sure how accurate this test is, seeing
128 * as it's based on the sample of 3 cards I own (2AUI/BNC, 1 TP).
129 */
130 #define EF_IS_TP(type) ((type)[EF_TYPE_MID] > 0x70)
131
132 #define EF_CARD_BNC 0 /* regular AUI/BNC 3C507 */
133 #define EF_CARD_TP 1 /* 3C507-TP -- no AUI/BNC */
134
135