isareg.h revision 1.2
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 * $Id: isareg.h,v 1.2 1994/10/01 03:48:49 mycroft Exp $ 38 */ 39 40 /* 41 * ISA Bus conventions 42 */ 43 44 #ifndef LOCORE 45 #include <sys/cdefs.h> 46 47 unsigned char rtcin __P((int)); 48 void sysbeep __P((int, int)); 49 unsigned kbd_8042cmd __P((int)); 50 #endif 51 52 53 /* 54 * Input / Output Port Assignments 55 */ 56 57 #ifndef IO_BEGIN 58 #define IO_ISABEGIN 0x000 /* 0x000 - Beginning of I/O Registers */ 59 60 /* CPU Board */ 61 #define IO_DMA1 0x000 /* 8237A DMA Controller #1 */ 62 #define IO_ICU1 0x020 /* 8259A Interrupt Controller #1 */ 63 #define IO_PMP1 0x026 /* 82347 Power Management Peripheral */ 64 #define IO_TIMER1 0x040 /* 8252 Timer #1 */ 65 #define IO_TIMER2 0x048 /* 8252 Timer #2 (EISA only) */ 66 #define IO_KBD 0x060 /* 8042 Keyboard */ 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 #define IO_PMP2 0x178 /* 82347 Power Management Peripheral */ 79 80 /* 0x17A - 0x1EF Open */ 81 82 #define IO_WD1 0x1f0 /* Primary Fixed Disk Controller */ 83 #define IO_GAME 0x200 /* Game Controller */ 84 85 /* 0x208 - 0x237 Open */ 86 87 #define IO_BMS2 0x238 /* secondary InPort Bus Mouse */ 88 #define IO_BMS1 0x23c /* primary InPort Bus Mouse */ 89 90 /* 0x240 - 0x277 Open */ 91 92 #define IO_LPT2 0x278 /* Parallel Port #2 */ 93 94 /* 0x280 - 0x2E7 Open */ 95 96 #define IO_COM4 0x2e8 /* COM4 i/o address */ 97 98 /* 0x2F0 - 0x2F7 Open */ 99 100 #define IO_COM2 0x2f8 /* COM2 i/o address */ 101 102 /* 0x300 - 0x32F Open */ 103 104 #define IO_BT0 0x330 /* bustek 742a default addr. */ 105 #define IO_AHA0 0x330 /* adaptec 1542 default addr. */ 106 #define IO_UHA0 0x330 /* ultrastore 14f default addr. */ 107 #define IO_BT1 0x334 /* bustek 742a default addr. */ 108 #define IO_AHA1 0x334 /* adaptec 1542 default addr. */ 109 110 /* 0x338 - 0x34F Open */ 111 112 #define IO_WDS 0x350 /* WD7000 scsi */ 113 114 /* 0x354 - 0x36F Open */ 115 116 #define IO_FD2 0x370 /* secondary base i/o address */ 117 #define IO_LPT1 0x378 /* Parallel Port #1 */ 118 119 /* 0x380 - 0x3AF Open */ 120 121 #define IO_MDA 0x3B0 /* Monochome Adapter */ 122 #define IO_LPT3 0x3BC /* Monochome Adapter Printer Port */ 123 #define IO_VGA 0x3C0 /* E/VGA Ports */ 124 #define IO_CGA 0x3D0 /* CGA Ports */ 125 126 /* 0x3E0 - 0x3E7 Open */ 127 128 #define IO_COM3 0x3e8 /* COM3 i/o address */ 129 #define IO_FD1 0x3f0 /* primary base i/o address */ 130 #define IO_COM1 0x3f8 /* COM1 i/o address */ 131 132 #define IO_ISAEND 0x3FF /* - 0x3FF End of I/O Registers */ 133 #endif IO_ISABEGIN 134 135 /* 136 * Input / Output Port Sizes - these are from several sources, and tend 137 * to be the larger of what was found, ie COM ports can be 4, but some 138 * boards do not fully decode the address, thus 8 ports are used. 139 */ 140 141 #ifndef IO_ISASIZES 142 #define IO_ISASIZES 143 144 #define IO_COMSIZE 8 /* 8250, 16X50 com controllers (*/ 145 #define IO_CGASIZE 16 /* CGA controllers */ 146 #define IO_DMASIZE 16 /* 8237 DMA controllers */ 147 #define IO_DPGSIZE 32 /* 74LS612 DMA page reisters */ 148 #define IO_FDCSIZE 8 /* Nec765 floppy controllers */ 149 #define IO_WDCSIZE 8 /* WD compatible disk controller */ 150 #define IO_GAMSIZE 16 /* AT compatible game controller */ 151 #define IO_ICUSIZE 16 /* 8259A interrupt controllers */ 152 #define IO_KBDSIZE 16 /* 8042 Keyboard controllers */ 153 #define IO_LPTSIZE 8 /* LPT controllers, some use onl */ 154 #define IO_MDASIZE 16 /* Monochrome display controller */ 155 #define IO_RTCSIZE 16 /* CMOS real time clock, NMI con */ 156 #define IO_TMRSIZE 16 /* 8253 programmable timers */ 157 #define IO_NPXSIZE 16 /* 80387/80487 NPX registers */ 158 #define IO_VGASIZE 16 /* VGA controllers */ 159 #define IO_PMPSIZE 2 /* 82347 Power Management Peripheral */ 160 161 #endif /* IO_ISASIZES */ 162 163 /* 164 * Input / Output Memory Physical Addresses 165 */ 166 167 #ifndef IOM_BEGIN 168 #define IOM_BEGIN 0x0a0000 /* Start of I/O Memory "hole" */ 169 #define IOM_END 0x100000 /* End of I/O Memory "hole" */ 170 #define IOM_SIZE (IOM_END - IOM_BEGIN) 171 #endif IOM_BEGIN 172 173 /* 174 * RAM Physical Address Space (ignoring the above mentioned "hole") 175 */ 176 177 #ifndef RAM_BEGIN 178 #define RAM_BEGIN 0x0000000 /* Start of RAM Memory */ 179 #define RAM_END 0x1000000 /* End of RAM Memory */ 180 #define RAM_SIZE (RAM_END - RAM_BEGIN) 181 #endif RAM_BEGIN 182 183 /* 184 * Oddball Physical Memory Addresses 185 */ 186 #ifndef COMPAQ_RAMRELOC 187 #define COMPAQ_RAMRELOC 0x80c00000 /* Compaq RAM relocation/diag */ 188 #define COMPAQ_RAMSETUP 0x80c00002 /* Compaq RAM setup */ 189 #define WEITEK_FPU 0xC0000000 /* WTL 2167 */ 190 #define CYRIX_EMC 0xC0000000 /* Cyrix EMC */ 191 #endif COMPAQ_RAMRELOC 192 193 /* stuff that used to be in pccons.c */ 194 #define MONO_BASE 0x3B4 195 #define MONO_BUF (KERNBASE + 0xB0000) 196 #define CGA_BASE 0x3D4 197 #define CGA_BUF (KERNBASE + 0xB8000) 198 #define IOPHYSMEM 0xA0000 199 200 /* 201 * size of dma bounce buffer in pages 202 * - currently 1 page per channel 203 */ 204 #ifndef DMA_BOUNCE 205 #define DMA_BOUNCE 8 206 #endif 207 208 #ifndef LOCORE 209 extern vm_offset_t isaphysmem; 210 #endif 211
Indexes created Fri Sep 26 20:09:58 GMT 2025