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 * 4. 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 _PC98_PC98_PC98_H_ 37#define _PC98_PC98_PC98_H_ 38 39/* BEWARE: Included in both assembler and C code */ 40 41/* 42 * PC98 Bus conventions 43 * modified for PC9801 by A.Kojima F.Ukai M.Ishii 44 * Kyoto University Microcomputer Club (KMC) 45 */ 46 47/* 48 * Input / Output Port Assignments 49 */ 50#ifndef IO_ISABEGIN 51#define IO_ISABEGIN 0x000 /* 0x000 - Beginning of I/O Registers */ 52 53/* PC98 IO address ... very dirty (^_^; */ 54 55#define IO_ICU1 0x000 /* 8259A Interrupt Controller #1 */ 56#define IO_ICU2 0x008 /* 8259A Interrupt Controller #2 */ 57#define IO_RTC 0x020 /* 4990A RTC */ 58#define IO_SYSPORT 0x031 /* 8255A System Port */ 59#define IO_KBD 0x041 /* 8251A Keyboard */ 60#define IO_COM2 0x0B1 /* 8251A RS232C serial I/O (ext) */ 61#define IO_COM3 0x0B9 /* 8251A RS232C serial I/O (ext) */ 62#define IO_FDPORT 0x0BE /* FD I/F port (1M<->640K,EMTON) */ 63#define IO_WD1_EPSON 0x80 /* 386note Hard disk controller */ 64#define IO_ISAEND 0xFFFF /* - 0x3FF End of I/O Registers */ 65#endif /* !IO_ISABEGIN */ 66 67/* 68 * Input / Output Port Sizes - these are from several sources, and tend 69 * to be the larger of what was found, ie COM ports can be 4, but some 70 * boards do not fully decode the address, thus 8 ports are used. 71 */ 72#ifndef IO_ISASIZES 73#define IO_ISASIZES 74 75#define IO_KBDSIZE 16 /* 8042 Keyboard controllers */ 76#define IO_LPTSIZE 8 /* LPT controllers, some use only 4 */ 77#define IO_LPTSIZE_EXTENDED 8 /* "Extended" LPT controllers */ 78#define IO_LPTSIZE_NORMAL 4 /* "Normal" LPT controllers */ 79 80#endif /* !IO_ISASIZES */ 81 82/* 83 * Input / Output Memory Physical Addresses 84 */ 85#ifndef IOM_BEGIN 86#define IOM_BEGIN 0x0A0000 /* Start of I/O Memory "hole" */ 87#define IOM_END 0x100000 /* End of I/O Memory "hole" */ 88#define IOM_SIZE (IOM_END - IOM_BEGIN) 89#endif /* !IOM_BEGIN */ 90 91/* 92 * RAM Physical Address Space (ignoring the above mentioned "hole") 93 */ 94#ifndef RAM_BEGIN 95#define RAM_BEGIN 0x0000000 /* Start of RAM Memory */ 96#ifdef EPSON_BOUNCEDMA 97#define RAM_END 0x0f00000 /* End of EPSON GR?? RAM Memory */ 98#else 99#define RAM_END 0x1000000 /* End of RAM Memory */ 100#endif 101#define RAM_SIZE (RAM_END - RAM_BEGIN) 102#endif /* !RAM_BEGIN */ 103 104#endif /* !_PC98_PC98_PC98_H_ */ 105