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