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 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)isa.h 5.7 (Berkeley) 5/9/91 37 * $FreeBSD$ 38 */ 39 40 #ifdef PC98 41 #error isareg.h is included from PC-9801 source 42 #endif 43 44 #ifndef _ISA_ISA_H_ 45 #define _ISA_ISA_H_ 46 47 /* BEWARE: Included in both assembler and C code */ 48 49 /* 50 * ISA Bus conventions 51 */ 52 53 /* 54 * Input / Output Port Assignments 55 */ 56 #ifndef IO_ISABEGIN 57 #define IO_ISABEGIN 0x000 /* 0x000 - Beginning of I/O Registers */ 58 59 /* CPU Board */ 60 #define IO_DMA1 0x000 /* 8237A DMA Controller #1 */ 61 #define IO_ICU1 0x020 /* 8259A Interrupt Controller #1 */ 62 #define IO_PMP1 0x026 /* 82347 Power Management Peripheral */ 63 #define IO_TIMER1 0x040 /* 8253 Timer #1 */ 64 #define IO_TIMER2 0x048 /* 8253 Timer #2 */ 65 #define IO_KBD 0x060 /* 8042 Keyboard */ 66 #define IO_PPI 0x061 /* Programmable Peripheral Interface */ 67 #define IO_RTC 0x070 /* RTC */ 68 #define IO_NMI IO_RTC /* NMI Control */ 69 #define IO_DMAPG 0x080 /* DMA Page Registers */ 70 #define IO_ICU2 0x0A0 /* 8259A Interrupt Controller #2 */ 71 #define IO_DMA2 0x0C0 /* 8237A DMA Controller #2 */ 72 #define IO_NPX 0x0F0 /* Numeric Coprocessor */ 73 74 /* Cards */ 75 /* 0x100 - 0x16F Open */ 76 77 #define IO_WD2 0x170 /* Secondary Fixed Disk Controller */ 78 79 #define IO_PMP2 0x178 /* 82347 Power Management Peripheral */ 80 81 /* 0x17A - 0x1EF Open */ 82 83 #define IO_WD1 0x1F0 /* Primary Fixed Disk Controller */ 84 #define IO_GAME 0x201 /* Game Controller */ 85 86 /* 0x202 - 0x22A Open */ 87 88 #define IO_ASC2 0x22B /* AmiScan addr.grp. 2 */ 89 90 /* 0x230 - 0x26A Open */ 91 92 #define IO_ASC3 0x26B /* AmiScan addr.grp. 3 */ 93 #define IO_GSC1 0x270 /* -- 0x27B! GeniScan GS-4500 addr.grp. 1 */ 94 #define IO_LPT2 0x278 /* Parallel Port #2 */ 95 96 /* 0x280 - 0x2AA Open */ 97 98 #define IO_ASC4 0x2AB /* AmiScan addr.grp. 4 */ 99 100 /* 0x2B0 - 0x2DF Open */ 101 102 #define IO_GSC2 0x2E0 /* GeniScan GS-4500 addr.grp. 2 */ 103 #define IO_COM4 0x2E8 /* COM4 i/o address */ 104 #define IO_ASC5 0x2EB /* AmiScan addr.grp. 5 */ 105 106 /* 0x2F0 - 0x2F7 Open */ 107 108 #define IO_COM2 0x2F8 /* COM2 i/o address */ 109 110 /* 0x300 - 0x32A Open */ 111 112 #define IO_ASC6 0x32B /* AmiScan addr.grp. 6 */ 113 #define IO_AHA0 0x330 /* adaptec 1542 default addr. */ 114 #define IO_BT0 0x330 /* bustek 742a default addr. */ 115 #define IO_UHA0 0x330 /* ultrastore 14f default addr. */ 116 #define IO_AHA1 0x334 /* adaptec 1542 default addr. */ 117 #define IO_BT1 0x334 /* bustek 742a default addr. */ 118 119 /* 0x340 - 0x36A Open */ 120 121 #define IO_ASC7 0x36B /* AmiScan addr.grp. 7 */ 122 #define IO_GSC3 0x370 /* GeniScan GS-4500 addr.grp. 3 */ 123 #define IO_FD2 0x370 /* secondary base i/o address */ 124 #define IO_LPT1 0x378 /* Parallel Port #1 */ 125 126 /* 0x380 - 0x3AA Open */ 127 128 #define IO_ASC8 0x3AB /* AmiScan addr.grp. 8 */ 129 #define IO_MDA 0x3B0 /* Monochome Adapter */ 130 #define IO_LPT3 0x3BC /* Monochome Adapter Printer Port */ 131 #define IO_VGA 0x3C0 /* E/VGA Ports */ 132 #define IO_CGA 0x3D0 /* CGA Ports */ 133 #define IO_GSC4 0x3E0 /* GeniScan GS-4500 addr.grp. 4 */ 134 #define IO_COM3 0x3E8 /* COM3 i/o address */ 135 #define IO_ASC1 0x3EB /* AmiScan addr.grp. 1 */ 136 #define IO_FD1 0x3F0 /* primary base i/o address */ 137 #define IO_COM1 0x3F8 /* COM1 i/o address */ 138 139 #define IO_ISAEND 0x3FF /* End (actually Max) of I/O Regs */ 140 #endif /* !IO_ISABEGIN */ 141 142 /* 143 * Input / Output Port Sizes - these are from several sources, and tend 144 * to be the larger of what was found. 145 */ 146 #ifndef IO_ISASIZES 147 #define IO_ISASIZES 148 149 #define IO_ASCSIZE 5 /* AmiScan GI1904-based hand scanner */ 150 #define IO_CGASIZE 12 /* CGA controllers */ 151 #define IO_DMASIZE 16 /* 8237 DMA controllers */ 152 #define IO_DPGSIZE 32 /* 74LS612 DMA page registers */ 153 #define IO_EISASIZE 256 /* EISA controllers */ 154 #define IO_FDCSIZE 8 /* Nec765 floppy controllers */ 155 #define IO_GAMSIZE 16 /* AT compatible game controllers */ 156 #define IO_GSCSIZE 8 /* GeniScan GS-4500G hand scanner */ 157 #define IO_ICUSIZE 16 /* 8259A interrupt controllers */ 158 #define IO_KBDSIZE 16 /* 8042 Keyboard controllers */ 159 160 /* The following line was changed to support more architectures (simpler 161 chipsets (like those for Alpha) only use 4, but more complex controllers 162 (usually modern i386's) can use an additional 4; the probe to see if 163 the additional 4 can be used by the specific chipset is now done in the ppc 164 code by ppc_probe()... */ 165 166 #define IO_LPTSIZE_EXTENDED 8 /* "Extended" LPT controllers */ 167 #define IO_LPTSIZE_NORMAL 4 /* "Normal" LPT controllers */ 168 169 #define IO_MDASIZE 12 /* Monochrome display controllers */ 170 #define IO_NPXSIZE 16 /* 80387/80487 NPX registers */ 171 #define IO_PMPSIZE 2 /* 82347 power management peripheral */ 172 #define IO_PSMSIZE 5 /* 8042 Keyboard controllers */ 173 #define IO_RTCSIZE 16 /* CMOS real time clock, NMI control */ 174 #define IO_TMRSIZE 16 /* 8253 programmable timers */ 175 #define IO_VGASIZE 16 /* VGA controllers */ 176 #define IO_WDCSIZE 8 /* WD compatible disk controllers */ 177 178 #endif /* !IO_ISASIZES */ 179 180 /* 181 * Input / Output Memory Physical Addresses 182 */ 183 #ifndef IOM_BEGIN 184 #define IOM_BEGIN 0x0A0000 /* Start of I/O Memory "hole" */ 185 #define IOM_END 0x100000 /* End of I/O Memory "hole" */ 186 #define IOM_SIZE (IOM_END - IOM_BEGIN) 187 #endif /* !IOM_BEGIN */ 188 189 /* 190 * RAM Physical Address Space (ignoring the above mentioned "hole") 191 */ 192 #ifndef RAM_BEGIN 193 #define RAM_BEGIN 0x0000000 /* Start of RAM Memory */ 194 #define RAM_END 0x1000000 /* End of RAM Memory */ 195 #define RAM_SIZE (RAM_END - RAM_BEGIN) 196 #endif /* !RAM_BEGIN */ 197 198 /* 199 * Oddball Physical Memory Addresses 200 */ 201 #ifndef COMPAQ_RAMRELOC 202 #define COMPAQ_RAMRELOC 0x80C00000 /* Compaq RAM relocation/diag */ 203 #define COMPAQ_RAMSETUP 0x80C00002 /* Compaq RAM setup */ 204 #define WEITEK_FPU 0xC0000000 /* WTL 2167 */ 205 #define CYRIX_EMC 0xC0000000 /* Cyrix EMC */ 206 #endif /* !COMPAQ_RAMRELOC */ 207 208 #endif /* !_ISA_ISA_H_ */ 209