From: Werner Pfister <werner.pfister@intercontrol.de>
Date: Mon, 21 Sep 2009 12:49:55 +0000 (+0200)
Subject: rtc/ds1337.c: Allow to set TCR register
X-Git-Tag: v2010.09-rc1~28^2~7^2~42^2~62
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=6b0b181afd2b378dde1a6589f66d74725689ae3f;p=u-boot

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>
---

diff --git a/drivers/rtc/ds1337.c b/drivers/rtc/ds1337.c
index a71ab5daa3..7abf041aab 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
 }