xref: /netbsd-src/sys/arch/mipsco/obio/clockreg.h (revision 9b6bd2d968e3623e57a9a376b7fc0ae125709789)
1 /*	$NetBSD: clockreg.h,v 1.4 2011/02/08 20:20:20 rmind Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 University of Utah.
5  * Copyright (c) 1992, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * the Systems Programming Group of the University of Utah Computer
10  * Science Department, Ralph Campbell, Sony Corp. and Kazumasa
11  * Utashiro of Software Research Associates, Inc.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  * 3. Neither the name of the University nor the names of its contributors
22  *    may be used to endorse or promote products derived from this software
23  *    without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  *
37  * from: Utah $Hdr: clockreg.h 1.14 91/01/18$
38  *
39  *	@(#)clockreg.h	8.1 (Berkeley) 6/11/93
40  */
41 
42 #define MK48T02
43 
44 #define SET_CLOCK       0x80
45 #define READ_CLOCK      0x40
46 
47 /*
48  * Mostek MK48T02 clock.
49  */
50 struct clockreg {
51 	volatile u_char	cl_csr;		/* control register */
52 	volatile u_char	cl_sec;		/* seconds (0..59; BCD) */
53 	volatile u_char	cl_min;		/* minutes (0..59; BCD) */
54 	volatile u_char	cl_hour;	/* hour (0..23; BCD) */
55 	volatile u_char	cl_wday;	/* weekday (1..7) */
56 	volatile u_char	cl_mday;	/* day in month (1..31; BCD) */
57 	volatile u_char	cl_month;	/* month (1..12; BCD) */
58 	volatile u_char	cl_year;	/* year (0..99; BCD) */
59 };
60