1 /*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)isa.h 5.7 (Berkeley) 5/9/91 33 * $FreeBSD$ 34 */ 35 36 #ifndef _ISA_ISA_H_ 37 #define _ISA_ISA_H_ 38 39 /* 40 * ISA Bus conventions 41 */ 42 43 /* 44 * Input / Output Port Assignments 45 */ 46 #ifndef IO_ISABEGIN 47 #define IO_ISABEGIN 0x000 /* 0x000 - Beginning of I/O Registers */ 48 #define IO_ICU1 0x020 /* 8259A Interrupt Controller #1 */ 49 #define IO_KBD 0x060 /* 8042 Keyboard */ 50 #define IO_RTC 0x070 /* RTC */ 51 #define IO_ICU2 0x0A0 /* 8259A Interrupt Controller #2 */ 52 53 #define IO_MDA 0x3B0 /* Monochome Adapter */ 54 #define IO_VGA 0x3C0 /* E/VGA Ports */ 55 #define IO_CGA 0x3D0 /* CGA Ports */ 56 57 #endif /* !IO_ISABEGIN */ 58 59 /* 60 * Input / Output Port Sizes 61 */ 62 #define IO_CGASIZE 12 /* CGA controllers */ 63 #define IO_MDASIZE 12 /* Monochrome display controllers */ 64 #define IO_VGASIZE 16 /* VGA controllers */ 65 66 #endif /* !_ISA_ISA_H_ */ 67