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 */ 133 134