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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: release/9.1.0/sys/pc98/cbus/cbus.h 158358 2006-05-08 12:03:58Z nyan $ */ #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_ */