s3c44b0: move rtc driver to drivers/rtc
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 94bc518..3831dd9 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -57,6 +57,7 @@
COBJS-$(CONFIG_RTC_RS5C372A) += rs5c372.o
COBJS-$(CONFIG_RTC_RX8025) += rx8025.o
COBJS-$(CONFIG_RTC_S3C24X0) += s3c24x0_rtc.o
+COBJS-$(CONFIG_RTC_S3C44B0) += s3c44b0_rtc.o
COBJS-$(CONFIG_RTC_X1205) += x1205.o
COBJS := $(sort $(COBJS-y))
diff --git a/drivers/rtc/s3c44b0_rtc.c b/drivers/rtc/s3c44b0_rtc.c
new file mode 100644
index 0000000..489536f
--- /dev/null
+++ b/drivers/rtc/s3c44b0_rtc.c
@@ -0,0 +1,102 @@
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * S3C44B0 CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/hardware.h>
+#include <rtc.h>
+#include <bcd.h>
+
+int rtc_get (struct rtc_time* tm)
+{
+ RTCCON |= 1;
+ tm->tm_year = BCD2BIN(BCDYEAR);
+ tm->tm_mon = BCD2BIN(BCDMON);
+ tm->tm_wday = BCD2BIN(BCDDATE);
+ tm->tm_mday = BCD2BIN(BCDDAY);
+ tm->tm_hour = BCD2BIN(BCDHOUR);
+ tm->tm_min = BCD2BIN(BCDMIN);
+ tm->tm_sec = BCD2BIN(BCDSEC);
+
+ if (tm->tm_sec==0) {
+ /* we have to re-read the rtc data because of the "one second deviation" problem */
+ /* see RTC datasheet for more info about it */
+ tm->tm_year = BCD2BIN(BCDYEAR);
+ tm->tm_mon = BCD2BIN(BCDMON);
+ tm->tm_mday = BCD2BIN(BCDDAY);
+ tm->tm_wday = BCD2BIN(BCDDATE);
+ tm->tm_hour = BCD2BIN(BCDHOUR);
+ tm->tm_min = BCD2BIN(BCDMIN);
+ tm->tm_sec = BCD2BIN(BCDSEC);
+ }
+
+ RTCCON &= ~1;
+
+ if(tm->tm_year >= 70)
+ tm->tm_year += 1900;
+ else
+ tm->tm_year += 2000;
+
+ return 0;
+}
+
+int rtc_set (struct rtc_time* tm)
+{
+ if(tm->tm_year < 2000)
+ tm->tm_year -= 1900;
+ else
+ tm->tm_year -= 2000;
+
+ RTCCON |= 1;
+ BCDYEAR = BIN2BCD(tm->tm_year);
+ BCDMON = BIN2BCD(tm->tm_mon);
+ BCDDAY = BIN2BCD(tm->tm_mday);
+ BCDDATE = BIN2BCD(tm->tm_wday);
+ BCDHOUR = BIN2BCD(tm->tm_hour);
+ BCDMIN = BIN2BCD(tm->tm_min);
+ BCDSEC = BIN2BCD(tm->tm_sec);
+ RTCCON &= 1;
+
+ return 0;
+}
+
+void rtc_reset (void)
+{
+ RTCCON |= 1;
+ BCDYEAR = 0;
+ BCDMON = 0;
+ BCDDAY = 0;
+ BCDDATE = 0;
+ BCDHOUR = 0;
+ BCDMIN = 0;
+ BCDSEC = 0;
+ RTCCON &= 1;
+}
+