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authorWerner Pfister <werner.pfister@intercontrol.de>2009-09-21 14:49:55 +0200
committerWolfgang Denk <wd@denx.de>2009-09-24 00:20:33 +0200
commitb0078c8792badd81aed51b7eabe85e960036361c (patch)
tree648d39b66fee5a1162a521b908e66a235e4ddea4
parent30d7aae7e82dacf9ae2983fbbf3567515266968b (diff)
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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>
-rw-r--r--drivers/rtc/ds1337.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/rtc/ds1337.c b/drivers/rtc/ds1337.c
index a71ab5d..7abf041 100644
--- a/drivers/rtc/ds1337.c
+++ b/drivers/rtc/ds1337.c
@@ -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
}