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