1 /* $NetBSD: if_efreg.h,v 1.4 2008/04/28 20:23:52 martin 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