isareg.h revision 1.4
1/*	$NetBSD: isareg.h,v 1.4 1994/10/27 04:17:49 cgd Exp $	*/
2
3/*-
4 * Copyright (c) 1990 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * William Jolitz.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by the University of
21 *	California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 *    may be used to endorse or promote products derived from this software
24 *    without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 *	@(#)isa.h	5.7 (Berkeley) 5/9/91
39 */
40
41/*
42 * ISA Bus conventions
43 */
44
45#ifndef LOCORE
46#include <sys/cdefs.h>
47
48unsigned char rtcin __P((int));
49void sysbeep __P((int, int));
50unsigned kbd_8042cmd __P((int));
51#endif /* !LOCORE */
52
53
54/*
55 * Input / Output Port Assignments
56 */
57
58#ifndef IO_BEGIN
59#define	IO_ISABEGIN	0x000		/* 0x000 - Beginning of I/O Registers */
60
61		/* CPU Board */
62#define	IO_DMA1		0x000		/* 8237A DMA Controller #1 */
63#define	IO_ICU1		0x020		/* 8259A Interrupt Controller #1 */
64#define	IO_PMP1		0x026		/* 82347 Power Management Peripheral */
65#define	IO_TIMER1	0x040		/* 8253 Timer #1 */
66#define	IO_TIMER2	0x048		/* 8253 Timer #2 (EISA only) */
67#define	IO_KBD		0x060		/* 8042 Keyboard */
68#define	IO_PPI		0x061		/* Programmable Peripheral Interface */
69#define	IO_RTC		0x070		/* RTC */
70#define	IO_NMI		IO_RTC		/* NMI Control */
71#define	IO_DMAPG	0x080		/* DMA Page Registers */
72#define	IO_ICU2		0x0A0		/* 8259A Interrupt Controller #2 */
73#define	IO_DMA2		0x0C0		/* 8237A DMA Controller #2 */
74#define	IO_NPX		0x0F0		/* Numeric Coprocessor */
75
76		/* Cards */
77					/* 0x100 - 0x16F Open */
78
79#define	IO_WD2		0x170		/* Secondary Fixed Disk Controller */
80#define	IO_PMP2		0x178		/* 82347 Power Management Peripheral */
81
82					/* 0x17A - 0x1EF Open */
83
84#define	IO_WD1		0x1f0		/* Primary Fixed Disk Controller */
85#define	IO_GAME		0x200		/* Game Controller */
86
87					/* 0x208 - 0x237 Open */
88
89#define	IO_BMS2		0x238		/* secondary InPort Bus Mouse */
90#define	IO_BMS1		0x23c		/* primary InPort Bus Mouse */
91
92					/* 0x240 - 0x277 Open */
93
94#define	IO_LPT2		0x278		/* Parallel Port #2 */
95
96					/* 0x280 - 0x2E7 Open */
97
98#define	IO_COM4		0x2e8		/* COM4 i/o address */
99
100					/* 0x2F0 - 0x2F7 Open */
101
102#define	IO_COM2		0x2f8		/* COM2 i/o address */
103
104					/* 0x300 - 0x32F Open */
105
106#define	IO_BT0		0x330		/* bustek 742a default addr. */
107#define	IO_AHA0		0x330		/* adaptec 1542 default addr. */
108#define	IO_UHA0		0x330		/* ultrastore 14f default addr. */
109#define	IO_BT1          0x334		/* bustek 742a default addr. */
110#define	IO_AHA1         0x334		/* adaptec 1542 default addr. */
111
112					/* 0x338 - 0x34F Open */
113
114#define	IO_WDS		0x350		/* WD7000 scsi */
115
116					/* 0x354 - 0x36F Open */
117
118#define	IO_FD2		0x370		/* secondary base i/o address */
119#define	IO_LPT1		0x378		/* Parallel Port #1 */
120
121					/* 0x380 - 0x3AF Open */
122
123#define	IO_MDA		0x3B0		/* Monochome Adapter */
124#define	IO_LPT3		0x3BC		/* Monochome Adapter Printer Port */
125#define	IO_VGA		0x3C0		/* E/VGA Ports */
126#define	IO_CGA		0x3D0		/* CGA Ports */
127
128					/* 0x3E0 - 0x3E7 Open */
129
130#define	IO_COM3		0x3e8		/* COM3 i/o address */
131#define	IO_FD1		0x3f0		/* primary base i/o address */
132#define	IO_COM1		0x3f8		/* COM1 i/o address */
133
134#define	IO_ISAEND	0x3FF		/* - 0x3FF End of I/O Registers */
135#endif /* !IO_ISABEGIN */
136
137/*
138 * Input / Output Port Sizes - these are from several sources, and tend
139 * to be the larger of what was found, ie COM ports can be 4, but some
140 * boards do not fully decode the address, thus 8 ports are used.
141 */
142
143#ifndef	IO_ISASIZES
144#define	IO_ISASIZES
145
146#define	IO_COMSIZE	8	/* 8250, 16X50 com controllers (*/
147#define	IO_CGASIZE	16	/* CGA controllers */
148#define	IO_DMASIZE	16	/* 8237 DMA controllers */
149#define	IO_DPGSIZE	32	/* 74LS612 DMA page reisters */
150#define	IO_FDCSIZE	8	/* Nec765 floppy controllers */
151#define	IO_WDCSIZE	8	/* WD compatible disk controller */
152#define	IO_GAMSIZE	16	/* AT compatible game controller */
153#define	IO_ICUSIZE	16	/* 8259A interrupt controllers */
154#define	IO_KBDSIZE	16	/* 8042 Keyboard controllers */
155#define	IO_LPTSIZE	8	/* LPT controllers, some use onl */
156#define	IO_MDASIZE	16	/* Monochrome display controller */
157#define	IO_RTCSIZE	16	/* CMOS real time clock, NMI con */
158#define	IO_TMRSIZE	16	/* 8253 programmable timers */
159#define	IO_NPXSIZE	16	/* 80387/80487 NPX registers */
160#define	IO_VGASIZE	16	/* VGA controllers */
161#define	IO_PMPSIZE	2	/* 82347 Power Management Peripheral */
162#endif /* !IO_ISASIZES */
163
164/*
165 * Input / Output Memory Physical Addresses
166 */
167
168#ifndef	IOM_BEGIN
169#define	IOM_BEGIN	0x0a0000		/* Start of I/O Memory "hole" */
170#define	IOM_END		0x100000		/* End of I/O Memory "hole" */
171#define	IOM_SIZE	(IOM_END - IOM_BEGIN)
172#endif /* !IOM_BEGIN */
173
174/*
175 * RAM Physical Address Space (ignoring the above mentioned "hole")
176 */
177
178#ifndef	RAM_BEGIN
179#define	RAM_BEGIN	0x0000000	/* Start of RAM Memory */
180#define	RAM_END		0x1000000	/* End of RAM Memory */
181#define	RAM_SIZE	(RAM_END - RAM_BEGIN)
182#endif /* !RAM_BEGIN */
183
184/*
185 * Oddball Physical Memory Addresses
186 */
187#ifndef	COMPAQ_RAMRELOC
188#define	COMPAQ_RAMRELOC	0x80c00000	/* Compaq RAM relocation/diag */
189#define	COMPAQ_RAMSETUP	0x80c00002	/* Compaq RAM setup */
190#define	WEITEK_FPU	0xC0000000	/* WTL 2167 */
191#define	CYRIX_EMC	0xC0000000	/* Cyrix EMC */
192#endif /* !COMPAQ_RAMRELOC */
193
194/* stuff that used to be in pccons.c */
195#define	MONO_BASE	0x3B4
196#define	MONO_BUF	(KERNBASE + 0xB0000)
197#define	CGA_BASE	0x3D4
198#define	CGA_BUF		(KERNBASE + 0xB8000)
199#define	IOPHYSMEM	0xA0000
200
201/*
202 * size of dma bounce buffer in pages
203 * - currently 1 page per channel
204 */
205#ifndef DMA_BOUNCE
206#define	DMA_BOUNCE      8
207#endif
208
209#ifndef LOCORE
210extern vm_offset_t isaphysmem;
211#endif /* !LOCORE */
212