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/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)isa.h 5.7 (Berkeley) 5/9/91
* $FreeBSD$
*/
#ifndef _PC98_PC98_PC98_H_
#define _PC98_PC98_PC98_H_
/* BEWARE: Included in both assembler and C code */
/*
* PC98 Bus conventions
* modified for PC9801 by A.Kojima F.Ukai M.Ishii
* Kyoto University Microcomputer Club (KMC)
*/
/*
* Input / Output Port Assignments
*/
#ifndef IO_ISABEGIN
#define IO_ISABEGIN 0x000 /* 0x000 - Beginning of I/O Registers */
/* PC98 IO address ... very dirty (^_^; */
#define IO_ICU1 0x000 /* 8259A Interrupt Controller #1 */
#define IO_ICU2 0x008 /* 8259A Interrupt Controller #2 */
#define IO_RTC 0x020 /* 4990A RTC */
#define IO_SYSPORT 0x031 /* 8255A System Port */
#define IO_KBD 0x041 /* 8251A Keyboard */
#define IO_COM2 0x0B1 /* 8251A RS232C serial I/O (ext) */
#define IO_COM3 0x0B9 /* 8251A RS232C serial I/O (ext) */
#define IO_FDPORT 0x0BE /* FD I/F port (1M<->640K,EMTON) */
#define IO_WD1_EPSON 0x80 /* 386note Hard disk controller */
#define IO_ISAEND 0xFFFF /* - 0x3FF End of I/O Registers */
#endif /* !IO_ISABEGIN */
/*
* Input / Output Port Sizes - these are from several sources, and tend
* to be the larger of what was found, ie COM ports can be 4, but some
* boards do not fully decode the address, thus 8 ports are used.
*/
#ifndef IO_ISASIZES
#define IO_ISASIZES
#define IO_KBDSIZE 16 /* 8042 Keyboard controllers */
#define IO_LPTSIZE 8 /* LPT controllers, some use only 4 */
#define IO_LPTSIZE_EXTENDED 8 /* "Extended" LPT controllers */
#define IO_LPTSIZE_NORMAL 4 /* "Normal" LPT controllers */
#endif /* !IO_ISASIZES */
/*
* Input / Output Memory Physical Addresses
*/
#ifndef IOM_BEGIN
#define IOM_BEGIN 0x0A0000 /* Start of I/O Memory "hole" */
#define IOM_END 0x100000 /* End of I/O Memory "hole" */
#define IOM_SIZE (IOM_END - IOM_BEGIN)
#endif /* !IOM_BEGIN */
/*
* RAM Physical Address Space (ignoring the above mentioned "hole")
*/
#ifndef RAM_BEGIN
#define RAM_BEGIN 0x0000000 /* Start of RAM Memory */
#ifdef EPSON_BOUNCEDMA
#define RAM_END 0x0f00000 /* End of EPSON GR?? RAM Memory */
#else
#define RAM_END 0x1000000 /* End of RAM Memory */
#endif
#define RAM_SIZE (RAM_END - RAM_BEGIN)
#endif /* !RAM_BEGIN */
#endif /* !_PC98_PC98_PC98_H_ */
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