summaryrefslogtreecommitdiff
path: root/include/asm-mips/mach-lemote/mc146818rtc.h
diff options
context:
space:
mode:
authorSongmao Tian <tiansm@lemote.com>2007-06-06 10:52:38 +0400
committerRalf Baechle <ralf@linux-mips.org>2007-07-10 20:33:02 +0400
commit42d226c7248a28ff8c478c06b7e9bd9ef5d73574 (patch)
tree7749c1204cbdb481ddece008dc09234c48b769db /include/asm-mips/mach-lemote/mc146818rtc.h
parent2a21c7300b53b744d16903256a172d9cbcfdd03e (diff)
downloadlinux-42d226c7248a28ff8c478c06b7e9bd9ef5d73574.tar.xz
[MIPS] New files for lemote fulong mini-PC support
Signed-off-by: Fuxin Zhang <zhangfx@lemote.com> Signed-off-by: Songmao Tian <tiansm@lemote.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/mach-lemote/mc146818rtc.h')
-rw-r--r--include/asm-mips/mach-lemote/mc146818rtc.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-mips/mach-lemote/mc146818rtc.h b/include/asm-mips/mach-lemote/mc146818rtc.h
new file mode 100644
index 000000000000..ed5147e11085
--- /dev/null
+++ b/include/asm-mips/mach-lemote/mc146818rtc.h
@@ -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.
+ *
+ * Copyright (C) 1998, 2001, 03, 07 by Ralf Baechle (ralf@linux-mips.org)
+ *
+ * RTC routines for PC style attached Dallas chip.
+ */
+#ifndef __ASM_MACH_LEMOTE_MC146818RTC_H
+#define __ASM_MACH_LEMOTE_MC146818RTC_H
+
+#include <linux/io.h>
+
+#define RTC_PORT(x) (0x70 + (x))
+#define RTC_IRQ 8
+
+static inline unsigned char CMOS_READ(unsigned long addr)
+{
+ outb_p(addr, RTC_PORT(0));
+ return inb_p(RTC_PORT(1));
+}
+
+static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
+{
+ outb_p(addr, RTC_PORT(0));
+ outb_p(data, RTC_PORT(1));
+}
+
+#define RTC_ALWAYS_BCD 0
+
+#ifndef mc146818_decode_year
+#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1970)
+#endif
+
+#endif /* __ASM_MACH_LEMOTE_MC146818RTC_H */