patch-2.3.48 linux/arch/mips64/sgi-ip22/ip22-rtc.c

• Lines: 38
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/arch/mips64/sgi-ip22/ip22-rtc.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/arch/mips64/sgi-ip22/ip22-rtc.c linux/arch/mips64/sgi-ip22/ip22-rtc.c
@@ -0,0 +1,37 @@
+/* $Id: ip22-rtc.c,v 1.2 1999/12/04 03:59:01 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 Indy style attached Dallas chip.
+ *
+ * Copyright (C) 1998 by Ralf Baechle
+ */
+#include <linux/mc146818rtc.h>
+#include <asm/sgi/sgihpc.h>
+
+static unsigned char indy_rtc_read_data(unsigned long addr)
+{
+	volatile unsigned int *rtcregs = (void *)INDY_CLOCK_REGS;
+
+	return rtcregs[addr];
+}
+
+static void indy_rtc_write_data(unsigned char data, unsigned long addr)
+{
+	volatile unsigned int *rtcregs = (void *)INDY_CLOCK_REGS;
+
+	rtcregs[addr] = data;
+}
+
+static int indy_rtc_bcd_mode(void)
+{
+	return 0;
+}
+
+struct rtc_ops indy_rtc_ops = {
+	&indy_rtc_read_data,
+	&indy_rtc_write_data,
+	&indy_rtc_bcd_mode
+};