FreeBSD/Linux Kernel Cross Reference
sys/amd64/isa/isa.h
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 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * from: @(#)isa.h 5.7 (Berkeley) 5/9/91
33 * $FreeBSD$
34 */
35
36 #ifndef _I386_ISA_ISA_H_
37 #define _I386_ISA_ISA_H_
38
39 /* BEWARE: Included in both assembler and C code */
40
41 /*
42 * ISA Bus conventions
43 */
44
45 /*
46 * Input / Output Port Assignments
47 */
48 #ifndef IO_ISABEGIN
49 #define IO_ISABEGIN 0x000 /* 0x000 - Beginning of I/O Registers */
50
51 /* CPU Board */
52 #define IO_DMA1 0x000 /* 8237A DMA Controller #1 */
53 #define IO_ICU1 0x020 /* 8259A Interrupt Controller #1 */
54 #define IO_PMP1 0x026 /* 82347 Power Management Peripheral */
55 #define IO_TIMER1 0x040 /* 8253 Timer #1 */
56 #define IO_TIMER2 0x048 /* 8253 Timer #2 */
57 #define IO_KBD 0x060 /* 8042 Keyboard */
58 #define IO_PPI 0x061 /* Programmable Peripheral Interface */
59 #define IO_RTC 0x070 /* RTC */
60 #define IO_NMI IO_RTC /* NMI Control */
61 #define IO_DMAPG 0x080 /* DMA Page Registers */
62 #define IO_ICU2 0x0A0 /* 8259A Interrupt Controller #2 */
63 #define IO_DMA2 0x0C0 /* 8237A DMA Controller #2 */
64 #define IO_NPX 0x0F0 /* Numeric Coprocessor */
65
66 /* Cards */
67 #define IO_VGA 0x3C0 /* E/VGA Ports */
68 #define IO_CGA 0x3D0 /* CGA Ports */
69 #define IO_MDA 0x3B0 /* Monochome Adapter */
70
71 #define IO_ISAEND 0x3FF /* End (actually Max) of I/O Regs */
72 #endif /* !IO_ISABEGIN */
73
74 /*
75 * Input / Output Port Sizes - these are from several sources, and tend
76 * to be the larger of what was found.
77 */
78 #ifndef IO_ISASIZES
79 #define IO_ISASIZES
80
81 #define IO_CGASIZE 12 /* CGA controllers */
82 #define IO_MDASIZE 12 /* Monochrome display controllers */
83 #define IO_NPXSIZE 16 /* 80387/80487 NPX registers */
84 #define IO_VGASIZE 16 /* VGA controllers */
85
86 #endif /* !IO_ISASIZES */
87
88 #endif /* !_I386_ISA_ISA_H_ */
Cache object: 36075921bd9507db8e41e2a85f301ac9
|