89 lines
3.3 KiB
C
89 lines
3.3 KiB
C
/*-
|
|
* 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
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _I386_ISA_ISA_H_
|
|
#define _I386_ISA_ISA_H_
|
|
|
|
/* BEWARE: Included in both assembler and C code */
|
|
|
|
/*
|
|
* ISA Bus conventions
|
|
*/
|
|
|
|
/*
|
|
* Input / Output Port Assignments
|
|
*/
|
|
#ifndef IO_ISABEGIN
|
|
#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_PMP1 0x026 /* 82347 Power Management Peripheral */
|
|
#define IO_TIMER1 0x040 /* 8253 Timer #1 */
|
|
#define IO_TIMER2 0x048 /* 8253 Timer #2 */
|
|
#define IO_KBD 0x060 /* 8042 Keyboard */
|
|
#define IO_PPI 0x061 /* Programmable Peripheral Interface */
|
|
#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 */
|
|
#define IO_VGA 0x3C0 /* E/VGA Ports */
|
|
#define IO_CGA 0x3D0 /* CGA Ports */
|
|
#define IO_MDA 0x3B0 /* Monochome Adapter */
|
|
|
|
#define IO_ISAEND 0x3FF /* End (actually Max) of I/O Regs */
|
|
#endif /* !IO_ISABEGIN */
|
|
|
|
/*
|
|
* Input / Output Port Sizes - these are from several sources, and tend
|
|
* to be the larger of what was found.
|
|
*/
|
|
#ifndef IO_ISASIZES
|
|
#define IO_ISASIZES
|
|
|
|
#define IO_CGASIZE 12 /* CGA controllers */
|
|
#define IO_MDASIZE 12 /* Monochrome display controllers */
|
|
#define IO_NPXSIZE 16 /* 80387/80487 NPX registers */
|
|
#define IO_VGASIZE 16 /* VGA controllers */
|
|
|
|
#endif /* !IO_ISASIZES */
|
|
|
|
#endif /* !_I386_ISA_ISA_H_ */
|