patch-2.4.20 linux-2.4.20/arch/mips/sgi-ip32/ip32-rtc.c

• Lines: 33
• Date: Thu Nov 28 15:53:10 2002
• Orig file: linux-2.4.19/arch/mips/sgi-ip32/ip32-rtc.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/arch/mips/sgi-ip32/ip32-rtc.c linux-2.4.20/arch/mips/sgi-ip32/ip32-rtc.c
@@ -0,0 +1,32 @@
+/*
+ * RTC routines for IP32 style attached Dallas chip.
+ *
+ * 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.
+ *
+ * Copyright (C) 2000 Harald Koerfgen
+ */
+#include <linux/mc146818rtc.h>
+#include <asm/ip32/mace.h>
+
+static unsigned char ip32_rtc_read_data(unsigned long addr)
+{
+	return (unsigned char) mace_read_8 (MACEISA_RTC_BASE + (addr << 8));
+}
+
+static void ip32_rtc_write_data(unsigned char data, unsigned long addr)
+{
+	mace_write_8 (MACEISA_RTC_BASE + (addr << 8), data);
+}
+
+static int ip32_rtc_bcd_mode(void)
+{
+	return 0;
+}
+
+struct rtc_ops ip32_rtc_ops = {
+	&ip32_rtc_read_data,
+	&ip32_rtc_write_data,
+	&ip32_rtc_bcd_mode
+};