patch-2.1.126 linux/arch/mips/jazz/rtc-jazz.c

• Lines: 37
• Date: Tue Oct 20 13:52:54 1998
• Orig file: v2.1.125/linux/arch/mips/jazz/rtc-jazz.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.125/linux/arch/mips/jazz/rtc-jazz.c linux/arch/mips/jazz/rtc-jazz.c
@@ -0,0 +1,36 @@
+/* $Id: rtc-jazz.c,v 1.3 1998/08/28 15:55:19 ralf Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * RTC routines for Jazz style attached Dallas chip.
+ *
+ * Copyright (C) 1998 by Ralf Baechle
+ */
+#include <linux/mc146818rtc.h>
+#include <asm/io.h>
+#include <asm/jazz.h>
+
+static unsigned char jazz_rtc_read_data(unsigned long addr)
+{
+	outb_p(addr, RTC_PORT(0));
+	return *(char *)JAZZ_RTC_BASE;
+}
+
+static void jazz_rtc_write_data(unsigned char data, unsigned long addr)
+{
+	outb_p(addr, RTC_PORT(0));
+	*(char *)JAZZ_RTC_BASE = data;
+}
+
+static int jazz_rtc_bcd_mode(void)
+{
+	return 0;
+}
+
+struct rtc_ops jazz_rtc_ops = {
+	&jazz_rtc_read_data,
+	&jazz_rtc_write_data,
+	&jazz_rtc_bcd_mode
+};