usr/src/sys.386bsd/i386/isa/isa.h

/*-
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 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.
 *
 *      @(#)isa.h       5.7 (Berkeley) 5/9/91
 * PATCHES MAGIC                LEVEL   PATCH THAT GOT US HERE
 * --------------------         -----   ----------------------
 * CURRENT PATCH LEVEL:         1       00098
 * --------------------         -----   ----------------------
 *
 * 15 Feb 93    Julian Elischer         Added entries for some scsi adapters
 */

/*
 * ISA Bus conventions
 */

#ifndef LOCORE
unsigned char inb(), rtcin();
void outb();
extern unsigned int atdevbase;  /* offset in virtual memory of ISA io mem */
void sysbeep(int,int);
unsigned kbd_8042cmd(int);
#endif


/*
 * Input / Output Port Assignments
 */

#ifndef IO_BEGIN
#define IO_ISABEGIN     0x000           /* 0x000 - Beginning of I/O Registers */

                /* CPU Board */
#define IO_DMA1         0x000           /* 8237A DMA Controller #1 */
#define IO_ICU1         0x020           /* 8259A Interrupt Controller #1 */
#define IO_TIMER1       0x040           /* 8252 Timer #1 */
#define IO_TIMER2       0x048           /* 8252 Timer #2 */
#define IO_KBD          0x060           /* 8042 Keyboard */
#define IO_RTC          0x070           /* RTC */
#define IO_NMI          IO_RTC          /* NMI Control */
#define IO_DMAPG        0x080           /* DMA Page Registers */
#define IO_ICU2         0x0A0           /* 8259A Interrupt Controller #2 */
#define IO_DMA2         0x0C0           /* 8237A DMA Controller #2 */
#define IO_NPX          0x0F0           /* Numeric Coprocessor */

                /* Cards */
                                        /* 0x100 - 0x16F Open */

#define IO_WD2          0x170           /* Secondary Fixed Disk Controller */

                                        /* 0x178 - 0x1EF Open */

#define IO_WD1          0x1f0           /* Primary Fixed Disk Controller */
#define IO_GAME         0x200           /* Game Controller */

                                        /* 0x208 - 0x277 Open */

#define IO_LPT2         0x278           /* Parallel Port #2 */

                                        /* 0x280 - 0x2F7 Open */

#define IO_COM2         0x2f8           /* COM2 i/o address */
                                        /* 0x300 - 0x32F Open */

#define IO_BT0          0x330           /* bustek 742a default addr. */
#define IO_AHA0         0x330           /* adaptec 1542 default addr. */
#define IO_UHA0         0x330           /* ultrastore 14f default addr. */
#define IO_BT1          0x334           /* bustek 742a default addr. */
#define IO_AHA1         0x334           /* adaptec 1542 default addr. */
                                        /* 0x338 - 0x36F Open */

#define IO_FD2          0x370           /* secondary base i/o address */
#define IO_LPT1         0x378           /* Parallel Port #1 */

                                        /* 0x380 - 0x3AF Open */

#define IO_MDA          0x3B0           /* Monochome Adapter */
#define IO_LPT3         0x3BC           /* Monochome Adapter Printer Port */
#define IO_VGA          0x3C0           /* E/VGA Ports */
#define IO_CGA          0x3D0           /* CGA Ports */

                                        /* 0x3E0 - 0x3EF Open */

#define IO_FD1          0x3f0           /* primary base i/o address */
#define IO_COM1         0x3f8           /* COM1 i/o address */

#define IO_ISAEND       0x3FF           /* - 0x3FF End of I/O Registers */
#endif  IO_ISABEGIN

/*
 * 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 */
#define RAM_END         0x1000000       /* End of RAM Memory */
#define RAM_SIZE        (RAM_END - RAM_BEGIN)
#endif  RAM_BEGIN

/*
 * Oddball Physical Memory Addresses
 */
#ifndef COMPAQ_RAMRELOC
#define COMPAQ_RAMRELOC 0x80c00000      /* Compaq RAM relocation/diag */
#define COMPAQ_RAMSETUP 0x80c00002      /* Compaq RAM setup */
#define WEITEK_FPU      0xC0000000      /* WTL 2167 */
#define CYRIX_EMC       0xC0000000      /* Cyrix EMC */
#endif  COMPAQ_RAMRELOC