patch-2.4.10 linux/arch/mips64/mips-boards/malta/malta_rtc.c
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- Lines: 51
- Date:
Sun Sep 9 10:43:02 2001
- Orig file:
v2.4.9/linux/arch/mips64/mips-boards/malta/malta_rtc.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.4.9/linux/arch/mips64/mips-boards/malta/malta_rtc.c linux/arch/mips64/mips-boards/malta/malta_rtc.c
@@ -0,0 +1,50 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
+ *
+ * ########################################################################
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * ########################################################################
+ *
+ * RTC routines for Malta style attached PIIX4 device, which contains a
+ * Motorola MC146818A-compatible Real Time Clock.
+ *
+ */
+#include <asm/mc146818rtc.h>
+#include <asm/mips-boards/malta.h>
+
+static unsigned char malta_rtc_read_data(unsigned long addr)
+{
+ outb(addr, MALTA_RTC_ADR_REG);
+ return inb(MALTA_RTC_DAT_REG);
+}
+
+static void malta_rtc_write_data(unsigned char data, unsigned long addr)
+{
+ outb(addr, MALTA_RTC_ADR_REG);
+ outb(data, MALTA_RTC_DAT_REG);
+}
+
+static int malta_rtc_bcd_mode(void)
+{
+ return 0;
+}
+
+struct rtc_ops malta_rtc_ops = {
+ &malta_rtc_read_data,
+ &malta_rtc_write_data,
+ &malta_rtc_bcd_mode
+};
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