cbus.h revision 78815
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: head/sys/pc98/cbus/cbus.h 78815 2001-06-26 11:53:12Z nyan $
38 */
39
40#ifndef _PC98_PC98_PC98_H_
41#define	_PC98_PC98_PC98_H_
42
43/* BEWARE:  Included in both assembler and C code */
44
45/*
46 * PC98 Bus conventions
47 * modified for PC9801 by A.Kojima F.Ukai M.Ishii
48 *			Kyoto University Microcomputer Club (KMC)
49 */
50
51/*
52 * Input / Output Port Assignments
53 */
54#ifndef IO_ISABEGIN
55#define	IO_ISABEGIN	0x000		/* 0x000 - Beginning of I/O Registers */
56
57/* PC98 IO address ... very dirty (^_^; */
58
59#define	IO_ICU1		0x000		/* 8259A Interrupt Controller #1 */
60#define	IO_DMA		0x001		/* 8237A DMA Controller */
61#define	IO_ICU2		0x008		/* 8259A Interrupt Controller #2 */
62#define	IO_RTC		0x020		/* 4990A RTC */
63#define	IO_DMAPG	0x021		/* DMA Page Registers */
64#define	IO_COM1		0x030		/* 8251A RS232C serial I/O (int) */
65#define	IO_SYSPORT	0x031		/* 8255A System Port */
66#define	IO_PPI		0x035		/* Programmable Peripheral Interface */
67#define	IO_LPT		0x040		/* 8255A Printer Port */
68#define	IO_KBD		0x041		/* 8251A Keyboard */
69#define	IO_NMI		0x050		/* NMI Control */
70#define	IO_WAIT		0x05F		/* WAIT 0.6 us */
71#define	IO_GDC1		0x060		/* 7220 GDC Text Control */
72#define	IO_TIMER1	0x071		/* 8253C Timer */
73#define	IO_SASI		0x080		/* SASI Hard Disk Controller */
74#define	IO_FD1		0x090		/* 765A 1MB FDC */
75#define	IO_GDC2		0x0A0		/* 7220 GDC Graphic Control */
76#define	IO_CGROM	0x0A1		/* Character ROM */
77#define	IO_COM2		0x0B1		/* 8251A RS232C serial I/O (ext) */
78#define	IO_COM3		0x0B9		/* 8251A RS232C serial I/O (ext) */
79#define	IO_FDPORT	0x0BE		/* FD I/F port (1M<->640K,EMTON) */
80#define	IO_FD2		0x0C8		/* 765A 640KB FDC */
81#define	IO_SIO1		0x0D0		/* MC16550II ext RS232C */
82#define	IO_REEST	0x0F0		/* CPU FPU reset */
83#define	IO_A2OEN	0x0F2		/* A20 enable */
84#define	IO_A20CT	0x0F6		/* A20 control enable/disable */
85#define	IO_NPX		0x0F8		/* Numeric Coprocessor */
86#define	IO_SOUND	0x188		/* YM2203 FM sound board */
87#define	IO_EGC		0x4A0		/* 7220 GDC Graphic Control */
88#define	IO_SCSI		0xCC0		/* SCSI Controller */
89#define	IO_SIO2		0x8D0		/* MC16550II ext RS232C */
90#define	IO_BEEPF	0x3FDB		/* beep frequency */
91#define	IO_MOUSE	0x7FD9		/* mouse */
92#define	IO_BMS		0x7FD9		/* Bus Mouse */
93#define	IO_MSE		0x7FD9		/* Bus Mouse */
94#define	IO_MOUSETM	0xDFBD		/* mouse timer */
95
96#define	IO_WD1_NEC	0x640		/* 98note IDE Hard disk controller */
97#define	IO_WD1_EPSON	0x80		/* 386note Hard disk controller */
98#define	IO_WD1		IO_WD1_NEC	/* IDE Hard disk controller */
99
100#define	IO_ISAEND	0xFFFF		/* - 0x3FF End of I/O Registers */
101#endif /* !IO_ISABEGIN */
102
103/*
104 * Input / Output Port Sizes - these are from several sources, and tend
105 * to be the larger of what was found, ie COM ports can be 4, but some
106 * boards do not fully decode the address, thus 8 ports are used.
107 */
108#ifndef	IO_ISASIZES
109#define	IO_ISASIZES
110
111#define	IO_ASCSIZE	5		/* AmiScan GI1904-based hand scanner */
112#define	IO_CGASIZE	16		/* CGA controllers */
113#define	IO_COMSIZE	8		/* 8250, 16X50 com controllers (4?) */
114#define	IO_DMASIZE	16		/* 8237 DMA controllers */
115#define	IO_DPGSIZE	32		/* 74LS612 DMA page registers */
116#define	IO_EISASIZE	4096		/* EISA controllers */
117#define	IO_FDCSIZE	8		/* Nec765 floppy controllers */
118#define	IO_GAMSIZE	16		/* AT compatible game controllers */
119#define	IO_GSCSIZE	8		/* GeniScan GS-4500G hand scanner */
120#define	IO_ICUSIZE	16		/* 8259A interrupt controllers */
121#define	IO_KBDSIZE	16		/* 8042 Keyboard controllers */
122#define	IO_LPTSIZE	8		/* LPT controllers, some use only 4 */
123#define	IO_LPTSIZE_EXTENDED	8	/* "Extended" LPT controllers */
124#define	IO_LPTSIZE_NORMAL	4	/* "Normal" LPT controllers */
125#define	IO_MDASIZE	16		/* Monochrome display controllers */
126#define	IO_NPXSIZE	16		/* 80387/80487 NPX registers */
127#define	IO_PMPSIZE	2		/* 82347 power management peripheral */
128#define	IO_PSMSIZE	5		/* 8042 Keyboard controllers */
129#define	IO_RTCSIZE	16		/* CMOS real time clock, NMI control */
130#define	IO_TMRSIZE	16		/* 8253 programmable timers */
131#define	IO_VGASIZE	16		/* VGA controllers */
132#define	IO_WDCSIZE	8		/* WD compatible disk controllers */
133
134#endif /* !IO_ISASIZES */
135
136/*
137 * Input / Output Memory Physical Addresses
138 */
139#ifndef	IOM_BEGIN
140#define	IOM_BEGIN	0x0A0000	/* Start of I/O Memory "hole" */
141#define	IOM_END		0x100000	/* End of I/O Memory "hole" */
142#define	IOM_SIZE	(IOM_END - IOM_BEGIN)
143#endif /* !IOM_BEGIN */
144
145/*
146 * RAM Physical Address Space (ignoring the above mentioned "hole")
147 */
148#ifndef	RAM_BEGIN
149#define	RAM_BEGIN	0x0000000	/* Start of RAM Memory */
150#ifdef	EPSON_BOUNCEDMA
151#define	RAM_END		0x0f00000	/* End of EPSON GR?? RAM Memory */
152#else
153#define	RAM_END		0x1000000	/* End of RAM Memory */
154#endif
155#define	RAM_SIZE	(RAM_END - RAM_BEGIN)
156#endif /* !RAM_BEGIN */
157
158#ifndef PC98 /* IBM-PC */
159/*
160 * Oddball Physical Memory Addresses
161 */
162#ifndef	COMPAQ_RAMRELOC
163#define	COMPAQ_RAMRELOC	0x80C00000	/* Compaq RAM relocation/diag */
164#define	COMPAQ_RAMSETUP	0x80C00002	/* Compaq RAM setup */
165#define	WEITEK_FPU	0xC0000000	/* WTL 2167 */
166#define	CYRIX_EMC	0xC0000000	/* Cyrix EMC */
167#endif /* !COMPAQ_RAMRELOC */
168#endif
169
170#define	M_NEC_PC98	0x0001
171#define	M_EPSON_PC98	0x0002
172#define	M_NOT_H98	0x0010
173#define	M_H98		0x0020
174#define	M_NOTE		0x0040
175#define	M_NORMAL	0x1000
176#define	M_8M		0x8000
177
178/*
179 * Obtained from NetBSD/pc98
180 */
181#define MADDRUNK	-1
182#define IRQUNK		 0
183#define DRQUNK		-1
184
185#endif /* !_PC98_PC98_PC98_H_ */
186