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rtc/ds1337.c: Allow to set TCR register 

This is needed to correctly start the charging of an attached capacitor
or battery.

Signed-off-by: Werner Pfister <werner.pfister@intercontrol.de>
Signed-off-by: Detlev Zundel <dzu@denx.de>
This commit is contained in:
Werner Pfister 2009-09-21 14:49:55 +02:00 committed by Wolfgang Denk
parent 30d7aae7e8
commit b0078c8792
1 changed files with 4 additions and 0 deletions
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4
drivers/rtc/ds1337.c
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@ -56,6 +56,7 @@
#define RTC_YR_REG_ADDR 0x6
#define RTC_CTL_REG_ADDR 0x0e
#define RTC_STAT_REG_ADDR 0x0f
#define RTC_TC_REG_ADDR 0x10
/*
* RTC control register bits
@ -169,6 +170,9 @@ int rtc_set (struct rtc_time *tmp)
void rtc_reset (void)
{
rtc_write (RTC_CTL_REG_ADDR, RTC_DS1337_RESET_VAL);
#ifdef CONFIG_SYS_DS1339_TCR_VAL
rtc_write (RTC_TC_REG_ADDR, CONFIG_SYS_DS1339_TCR_VAL);
#endif
}