cbus.h revision 127977
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: head/sys/pc98/cbus/cbus.h 127977 2004-04-07 05:00:01Z imp $ 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_DMA 0x001 /* 8237A DMA Controller */ 57#define IO_ICU2 0x008 /* 8259A Interrupt Controller #2 */ 58#define IO_RTC 0x020 /* 4990A RTC */ 59#define IO_DMAPG 0x021 /* DMA Page Registers */ 60#define IO_COM1 0x030 /* 8251A RS232C serial I/O (int) */ 61#define IO_SYSPORT 0x031 /* 8255A System Port */ 62#define IO_PPI 0x035 /* Programmable Peripheral Interface */ 63#define IO_LPT 0x040 /* 8255A Printer Port */ 64#define IO_KBD 0x041 /* 8251A Keyboard */ 65#define IO_NMI 0x050 /* NMI Control */ 66#define IO_WAIT 0x05F /* WAIT 0.6 us */ 67#define IO_GDC1 0x060 /* 7220 GDC Text Control */ 68#define IO_TIMER1 0x071 /* 8253C Timer */ 69#define IO_SASI 0x080 /* SASI Hard Disk Controller */ 70#define IO_FD1 0x090 /* 765A 1MB FDC */ 71#define IO_GDC2 0x0A0 /* 7220 GDC Graphic Control */ 72#define IO_CGROM 0x0A1 /* Character ROM */ 73#define IO_COM2 0x0B1 /* 8251A RS232C serial I/O (ext) */ 74#define IO_COM3 0x0B9 /* 8251A RS232C serial I/O (ext) */ 75#define IO_FDPORT 0x0BE /* FD I/F port (1M<->640K,EMTON) */ 76#define IO_FD2 0x0C8 /* 765A 640KB FDC */ 77#define IO_SIO1 0x0D0 /* MC16550II ext RS232C */ 78#define IO_REEST 0x0F0 /* CPU FPU reset */ 79#define IO_A2OEN 0x0F2 /* A20 enable */ 80#define IO_A20CT 0x0F6 /* A20 control enable/disable */ 81#define IO_NPX 0x0F8 /* Numeric Coprocessor */ 82#define IO_SOUND 0x188 /* YM2203 FM sound board */ 83#define IO_EGC 0x4A0 /* 7220 GDC Graphic Control */ 84#define IO_SCSI 0xCC0 /* SCSI Controller */ 85#define IO_SIO2 0x8D0 /* MC16550II ext RS232C */ 86#define IO_BEEPF 0x3FDB /* beep frequency */ 87#define IO_MOUSE 0x7FD9 /* mouse */ 88#define IO_BMS 0x7FD9 /* Bus Mouse */ 89#define IO_MSE 0x7FD9 /* Bus Mouse */ 90#define IO_MOUSETM 0xDFBD /* mouse timer */ 91 92#define IO_WD1_NEC 0x640 /* 98note IDE Hard disk controller */ 93#define IO_WD1_EPSON 0x80 /* 386note Hard disk controller */ 94#define IO_WD1 IO_WD1_NEC /* IDE Hard disk controller */ 95 96#define IO_ISAEND 0xFFFF /* - 0x3FF End of I/O Registers */ 97#endif /* !IO_ISABEGIN */ 98 99/* 100 * Input / Output Port Sizes - these are from several sources, and tend 101 * to be the larger of what was found, ie COM ports can be 4, but some 102 * boards do not fully decode the address, thus 8 ports are used. 103 */ 104#ifndef IO_ISASIZES 105#define IO_ISASIZES 106 107#define IO_ASCSIZE 5 /* AmiScan GI1904-based hand scanner */ 108#define IO_CGASIZE 16 /* CGA controllers */ 109#define IO_DMASIZE 16 /* 8237 DMA controllers */ 110#define IO_DPGSIZE 32 /* 74LS612 DMA page registers */ 111#define IO_EISASIZE 4096 /* EISA controllers */ 112#define IO_FDCSIZE 8 /* Nec765 floppy controllers */ 113#define IO_GAMSIZE 16 /* AT compatible game controllers */ 114#define IO_GSCSIZE 8 /* GeniScan GS-4500G hand scanner */ 115#define IO_ICUSIZE 16 /* 8259A interrupt controllers */ 116#define IO_KBDSIZE 16 /* 8042 Keyboard controllers */ 117#define IO_LPTSIZE 8 /* LPT controllers, some use only 4 */ 118#define IO_LPTSIZE_EXTENDED 8 /* "Extended" LPT controllers */ 119#define IO_LPTSIZE_NORMAL 4 /* "Normal" LPT controllers */ 120#define IO_MDASIZE 16 /* Monochrome display controllers */ 121#define IO_NPXSIZE 8 /* 80387/80487 NPX registers */ 122#define IO_PMPSIZE 2 /* 82347 power management peripheral */ 123#define IO_PSMSIZE 5 /* 8042 Keyboard controllers */ 124#define IO_RTCSIZE 16 /* CMOS real time clock, NMI control */ 125#define IO_TMRSIZE 16 /* 8253 programmable timers */ 126#define IO_VGASIZE 16 /* VGA controllers */ 127#define IO_WDCSIZE 8 /* WD compatible disk controllers */ 128 129#endif /* !IO_ISASIZES */ 130 131/* 132 * Input / Output Memory Physical Addresses 133 */ 134#ifndef IOM_BEGIN 135#define IOM_BEGIN 0x0A0000 /* Start of I/O Memory "hole" */ 136#define IOM_END 0x100000 /* End of I/O Memory "hole" */ 137#define IOM_SIZE (IOM_END - IOM_BEGIN) 138#endif /* !IOM_BEGIN */ 139 140/* 141 * RAM Physical Address Space (ignoring the above mentioned "hole") 142 */ 143#ifndef RAM_BEGIN 144#define RAM_BEGIN 0x0000000 /* Start of RAM Memory */ 145#ifdef EPSON_BOUNCEDMA 146#define RAM_END 0x0f00000 /* End of EPSON GR?? RAM Memory */ 147#else 148#define RAM_END 0x1000000 /* End of RAM Memory */ 149#endif 150#define RAM_SIZE (RAM_END - RAM_BEGIN) 151#endif /* !RAM_BEGIN */ 152 153#ifndef PC98 /* IBM-PC */ 154/* 155 * Oddball Physical Memory Addresses 156 */ 157#ifndef COMPAQ_RAMRELOC 158#define COMPAQ_RAMRELOC 0x80C00000 /* Compaq RAM relocation/diag */ 159#define COMPAQ_RAMSETUP 0x80C00002 /* Compaq RAM setup */ 160#define WEITEK_FPU 0xC0000000 /* WTL 2167 */ 161#define CYRIX_EMC 0xC0000000 /* Cyrix EMC */ 162#endif /* !COMPAQ_RAMRELOC */ 163#endif 164 165#define M_NEC_PC98 0x0001 166#define M_EPSON_PC98 0x0002 167#define M_NOT_H98 0x0010 168#define M_H98 0x0020 169#define M_NOTE 0x0040 170#define M_NORMAL 0x1000 171#define M_8M 0x8000 172 173/* 174 * Obtained from NetBSD/pc98 175 */ 176#define MADDRUNK -1 177#define IRQUNK 0 178#define DRQUNK -1 179 180#endif /* !_PC98_PC98_PC98_H_ */ 181