2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1990 The Regents of the University of California.
7 * This code is derived from software contributed to Berkeley by
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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
34 * from: @(#)isa.h 5.7 (Berkeley) 5/9/91
45 * Input / Output Port Assignments
48 #define IO_ISABEGIN 0x000 /* 0x000 - Beginning of I/O Registers */
49 #define IO_ICU1 0x020 /* 8259A Interrupt Controller #1 */
50 #define IO_KBD 0x060 /* 8042 Keyboard */
51 #define IO_RTC 0x070 /* RTC */
52 #define IO_ICU2 0x0A0 /* 8259A Interrupt Controller #2 */
54 #define IO_MDA 0x3B0 /* Monochome Adapter */
55 #define IO_VGA 0x3C0 /* E/VGA Ports */
56 #define IO_CGA 0x3D0 /* CGA Ports */
58 #endif /* !IO_ISABEGIN */
61 * Input / Output Port Sizes
63 #define IO_CGASIZE 12 /* CGA controllers */
64 #define IO_MDASIZE 12 /* Monochrome display controllers */
65 #define IO_VGASIZE 16 /* VGA controllers */
67 #endif /* !_ISA_ISA_H_ */