72 lines
1.8 KiB
C
Executable File
72 lines
1.8 KiB
C
Executable File
/* $Id: //BBN_Linux/Branch/Branch_for_Rel_TP_ASEAN_20161216/tclinux_phoenix/bootrom/bootram/include/asm/ds1286.h#1 $
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* mc146818rtc.h - register definitions for the Real-Time-Clock / CMOS RAM
|
|
* Copyright Torsten Duwe <duwe@informatik.uni-erlangen.de> 1993
|
|
* derived from Data Sheet, Copyright Motorola 1984 (!).
|
|
* It was written to be part of the Linux operating system.
|
|
*
|
|
* Copyright (C) 1998, 1999 Ralf Baechle
|
|
*/
|
|
#ifndef _ASM_DS1286_h
|
|
#define _ASM_DS1286_h
|
|
|
|
#include <asm/mc146818rtc.h>
|
|
|
|
/**********************************************************************
|
|
* register summary
|
|
**********************************************************************/
|
|
#define RTC_HUNDREDTH_SECOND 0
|
|
#define RTC_SECONDS 1
|
|
#define RTC_MINUTES 2
|
|
#define RTC_MINUTES_ALARM 3
|
|
#define RTC_HOURS 4
|
|
#define RTC_HOURS_ALARM 5
|
|
#define RTC_DAY 6
|
|
#define RTC_DAY_ALARM 7
|
|
#define RTC_DATE 8
|
|
#define RTC_MONTH 9
|
|
#define RTC_YEAR 10
|
|
#define RTC_CMD 11
|
|
#define RTC_WHSEC 12
|
|
#define RTC_WSEC 13
|
|
#define RTC_UNUSED 14
|
|
|
|
/* RTC_*_alarm is always true if 2 MSBs are set */
|
|
# define RTC_ALARM_DONT_CARE 0xC0
|
|
|
|
|
|
/*
|
|
* Bits in the month register
|
|
*/
|
|
#define RTC_EOSC 0x80
|
|
#define RTC_ESQW 0x40
|
|
|
|
/*
|
|
* Bits in the Command register
|
|
*/
|
|
#define RTC_TDF 0x01
|
|
#define RTC_WAF 0x02
|
|
#define RTC_TDM 0x04
|
|
#define RTC_WAM 0x08
|
|
#define RTC_PU_LVL 0x10
|
|
#define RTC_IBH_LO 0x20
|
|
#define RTC_IPSW 0x40
|
|
#define RTC_TE 0x80
|
|
|
|
/*
|
|
* Conversion between binary and BCD.
|
|
*/
|
|
#ifndef BCD_TO_BIN
|
|
#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
|
|
#endif
|
|
|
|
#ifndef BIN_TO_BCD
|
|
#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
|
|
#endif
|
|
|
|
#endif /* _ASM_DS1286_h */
|