1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * William Jolitz. 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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * from: @(#)isa.h 5.7 (Berkeley) 5/9/91 35 * $FreeBSD$ 36 */ 37 38 #ifndef _ISA_ISA_H_ 39 #define _ISA_ISA_H_ 40 41 /* 42 * ISA Bus conventions 43 */ 44 45 /* 46 * Input / Output Port Assignments 47 */ 48 #ifndef IO_ISABEGIN 49 #define IO_ISABEGIN 0x000 /* 0x000 - Beginning of I/O Registers */ 50 #define IO_ICU1 0x020 /* 8259A Interrupt Controller #1 */ 51 #define IO_KBD 0x060 /* 8042 Keyboard */ 52 #define IO_RTC 0x070 /* RTC */ 53 #define IO_ICU2 0x0A0 /* 8259A Interrupt Controller #2 */ 54 55 #define IO_MDA 0x3B0 /* Monochome Adapter */ 56 #define IO_VGA 0x3C0 /* E/VGA Ports */ 57 #define IO_CGA 0x3D0 /* CGA Ports */ 58 59 #endif /* !IO_ISABEGIN */ 60 61 /* 62 * Input / Output Port Sizes 63 */ 64 #define IO_CGASIZE 12 /* CGA controllers */ 65 #define IO_MDASIZE 12 /* Monochrome display controllers */ 66 #define IO_VGASIZE 16 /* VGA controllers */ 67 68 #endif /* !_ISA_ISA_H_ */ 69