aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/include/asm/mach-generic/mc146818rtc.h
diff options
context:
space:
mode:
authorRalf Baechle <ralf@linux-mips.org>2008-09-16 19:48:51 +0200
committerRalf Baechle <ralf@linux-mips.org>2008-10-11 16:18:52 +0100
commit384740dc49ea651ba350704d13ff6be9976e37fe (patch)
treea6e80cad287ccae7a86d81bfa692fc96889c88ed /arch/mips/include/asm/mach-generic/mc146818rtc.h
parente8c7c482347574ecdd45c43e32c332d5fc2ece61 (diff)
MIPS: Move headfiles to new location below arch/mips/include
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/mach-generic/mc146818rtc.h')
-rw-r--r--arch/mips/include/asm/mach-generic/mc146818rtc.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-generic/mc146818rtc.h b/arch/mips/include/asm/mach-generic/mc146818rtc.h
new file mode 100644
index 00000000000..0b9a942f079
--- /dev/null
+++ b/arch/mips/include/asm/mach-generic/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 by Ralf Baechle
+ *
+ * RTC routines for PC style attached Dallas chip.
+ */
+#ifndef __ASM_MACH_GENERIC_MC146818RTC_H
+#define __ASM_MACH_GENERIC_MC146818RTC_H
+
+#include <asm/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 1
+
+#ifndef mc146818_decode_year
+#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1900)
+#endif
+
+#endif /* __ASM_MACH_GENERIC_MC146818RTC_H */