![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to isa.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Net/2] / Net2 / arch / i386 / isa|
Return to isa.h CVS log | Up to [Net/2] / Net2 / arch / i386 / isa |
1.1 root 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: * @(#)isa.h 5.7 (Berkeley) 5/9/91
37: */
38:
39: /*
40: * ISA Bus conventions
41: */
42:
43: #ifndef LOCORE
44: unsigned char inb(), rtcin();
45: void outb();
46: #endif
47:
48:
49: /*
50: * Input / Output Port Assignments
51: */
52:
53: #ifndef IO_BEGIN
54: #define IO_ISABEGIN 0x000 /* 0x000 - Beginning of I/O Registers */
55:
56: /* CPU Board */
57: #define IO_DMA1 0x000 /* 8237A DMA Controller #1 */
58: #define IO_ICU1 0x020 /* 8259A Interrupt Controller #1 */
59: #define IO_TIMER1 0x040 /* 8252 Timer #1 */
60: #define IO_TIMER2 0x048 /* 8252 Timer #2 */
61: #define IO_KBD 0x060 /* 8042 Keyboard */
62: #define IO_RTC 0x070 /* RTC */
63: #define IO_NMI IO_RTC /* NMI Control */
64: #define IO_DMAPG 0x080 /* DMA Page Registers */
65: #define IO_ICU2 0x0A0 /* 8259A Interrupt Controller #2 */
66: #define IO_DMA2 0x0C0 /* 8237A DMA Controller #2 */
67: #define IO_NPX 0x0F0 /* Numeric Coprocessor */
68:
69: /* Cards */
70: /* 0x100 - 0x16F Open */
71:
72: #define IO_WD2 0x170 /* Secondary Fixed Disk Controller */
73:
74: /* 0x178 - 0x1EF Open */
75:
76: #define IO_WD1 0x1f0 /* Primary Fixed Disk Controller */
77: #define IO_GAME 0x200 /* Game Controller */
78:
79: /* 0x208 - 0x277 Open */
80:
81: #define IO_LPT2 0x278 /* Parallel Port #2 */
82:
83: /* 0x280 - 0x2F7 Open */
84:
85: #define IO_COM2 0x2f8 /* COM2 i/o address */
86:
87: /* 0x300 - 0x36F Open */
88:
89: #define IO_FD2 0x370 /* secondary base i/o address */
90: #define IO_LPT1 0x378 /* Parallel Port #1 */
91:
92: /* 0x380 - 0x3AF Open */
93:
94: #define IO_MDA 0x3B0 /* Monochome Adapter */
95: #define IO_LPT3 0x3BC /* Monochome Adapter Printer Port */
96: #define IO_VGA 0x3C0 /* E/VGA Ports */
97: #define IO_CGA 0x3D0 /* CGA Ports */
98:
99: /* 0x3E0 - 0x3EF Open */
100:
101: #define IO_FD1 0x3f0 /* primary base i/o address */
102: #define IO_COM1 0x3f8 /* COM1 i/o address */
103:
104: #define IO_ISAEND 0x3FF /* - 0x3FF End of I/O Registers */
105: #endif IO_ISABEGIN
106:
107: /*
108: * Input / Output Memory Physical Addresses
109: */
110:
111: #ifndef IOM_BEGIN
112: #define IOM_BEGIN 0x0a0000 /* Start of I/O Memory "hole" */
113: #define IOM_END 0x100000 /* End of I/O Memory "hole" */
114: #define IOM_SIZE (IOM_END - IOM_BEGIN)
115: #endif IOM_BEGIN
116:
117: /*
118: * RAM Physical Address Space (ignoring the above mentioned "hole")
119: */
120:
121: #ifndef RAM_BEGIN
122: #define RAM_BEGIN 0x0000000 /* Start of RAM Memory */
123: #define RAM_END 0x1000000 /* End of RAM Memory */
124: #define RAM_SIZE (RAM_END - RAM_BEGIN)
125: #endif RAM_BEGIN
126:
127: /*
128: * Oddball Physical Memory Addresses
129: */
130: #ifndef COMPAQ_RAMRELOC
131: #define COMPAQ_RAMRELOC 0x80c00000 /* Compaq RAM relocation/diag */
132: #define COMPAQ_RAMSETUP 0x80c00002 /* Compaq RAM setup */
133: #define WEITEK_FPU 0xC0000000 /* WTL 2167 */
134: #define CYRIX_EMC 0xC0000000 /* Cyrix EMC */
135: #endif COMPAQ_RAMRELOC
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.