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-rw-r--r--firmware/drivers/rtc/rtc_s3c2440.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/firmware/drivers/rtc/rtc_s3c2440.c b/firmware/drivers/rtc/rtc_s3c2440.c
new file mode 100644
index 0000000000..c7a6f24490
--- /dev/null
+++ b/firmware/drivers/rtc/rtc_s3c2440.c
@@ -0,0 +1,57 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Linus Nielsen Feltzing, Uwe Freese, Laurent Baum
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+#include "i2c.h"
+#include "rtc.h"
+#include "kernel.h"
+#include "system.h"
+#include <stdbool.h>
+
+void rtc_init(void)
+{
+ /* RTC Enable */
+ RTCCON |= 1;
+}
+
+int rtc_read_datetime(unsigned char* buf)
+{
+ buf[0] = BCDSEC;
+ buf[1] = BCDMIN;
+ buf[2] = BCDHOUR;
+ buf[3] = BCDDAY;
+ buf[4] = BCDDATE;
+ buf[5] = BCDMON;
+ buf[6] = BCDYEAR;
+
+ return 1;
+}
+
+int rtc_write_datetime(unsigned char* buf)
+{
+ BCDSEC = buf[0];
+ BCDMIN = buf[1];
+ BCDHOUR = buf[2];
+ BCDDAY = buf[3];
+ BCDDATE = buf[4];
+ BCDMON = buf[5];
+ BCDYEAR = buf[6];
+
+ return 1;
+}
+