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