1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
* ds1742rtc.h - register definitions for the Real-Time-Clock / CMOS RAM
*
* Copyright (C) 1999-2001 Toshiba Corporation
* Copyright (C) 2003 Ralf Baechle (ralf@linux-mips.org)
*
* Permission is hereby granted to copy, modify and redistribute this code
* in terms of the GNU Library General Public License, Version 2 or later,
* at your option.
*/
#ifndef __LINUX_DS1742RTC_H
#define __LINUX_DS1742RTC_H
#include <asm/ds1742.h>
#define RTC_BRAM_SIZE 0x800
#define RTC_OFFSET 0x7f8
/*
* Register summary
*/
#define RTC_CONTROL (RTC_OFFSET + 0)
#define RTC_CENTURY (RTC_OFFSET + 0)
#define RTC_SECONDS (RTC_OFFSET + 1)
#define RTC_MINUTES (RTC_OFFSET + 2)
#define RTC_HOURS (RTC_OFFSET + 3)
#define RTC_DAY (RTC_OFFSET + 4)
#define RTC_DATE (RTC_OFFSET + 5)
#define RTC_MONTH (RTC_OFFSET + 6)
#define RTC_YEAR (RTC_OFFSET + 7)
#define RTC_CENTURY_MASK 0x3f
#define RTC_SECONDS_MASK 0x7f
#define RTC_DAY_MASK 0x07
/*
* Bits in the Control/Century register
*/
#define RTC_WRITE 0x80
#define RTC_READ 0x40
/*
* Bits in the Seconds register
*/
#define RTC_STOP 0x80
/*
* Bits in the Day register
*/
#define RTC_BATT_FLAG 0x80
#define RTC_FREQ_TEST 0x40
#endif /* __LINUX_DS1742RTC_H */
|
