patch-2.4.19 linux-2.4.19/arch/mips/au1000/common/rtc.c

• Lines: 37
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/mips/au1000/common/rtc.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/mips/au1000/common/rtc.c linux-2.4.19/arch/mips/au1000/common/rtc.c
@@ -0,0 +1,36 @@
+/*
+ * 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 PC style attached Dallas chip.
+ *
+ * Copyright (C) 1998, 2001 by Ralf Baechle
+ */
+#include <linux/mc146818rtc.h>
+#include <asm/io.h>
+
+#define PB1500_RTC_ADDR 0xAC000000
+
+static unsigned char std_rtc_read_data(unsigned long addr)
+{
+	addr <<= 2;
+	return readb(addr + PB1500_RTC_ADDR);
+}
+
+static void std_rtc_write_data(unsigned char data, unsigned long addr)
+{
+	addr <<= 2;
+	writeb(data, addr + PB1500_RTC_ADDR);
+}
+
+static int std_rtc_bcd_mode(void)
+{
+	return 1;
+}
+
+struct rtc_ops pb1500_rtc_ops = {
+	&std_rtc_read_data,
+	&std_rtc_write_data,
+	&std_rtc_bcd_mode
+};