FreeBSD/Linux Kernel Cross Reference
sys/dev/sio/sioreg.h
1 /*-
2 * Copyright (c) 1991 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * from: @(#)comreg.h 7.2 (Berkeley) 5/9/91
30 * $FreeBSD: releng/8.4/sys/dev/sio/sioreg.h 128019 2004-04-07 20:46:16Z imp $
31 */
32
33 /* Receiver clock frequency for "standard" pc serial ports. */
34 #define DEFAULT_RCLK 1843200
35
36 /* speed to initialize to during chip tests */
37 #define SIO_TEST_SPEED 9600
38
39 /* default serial console speed if not set with sysctl or probed from boot */
40 #ifndef CONSPEED
41 #define CONSPEED 9600
42 #endif
43
44 /* default serial gdb speed if not set with sysctl or probed from boot */
45 #ifndef GDBSPEED
46 #define GDBSPEED CONSPEED
47 #endif
48
49 #define IO_COMSIZE 8 /* 8250, 16x50 com controllers */
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