1 files changed, 36 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-ip32/mc146818rtc.h b/arch/mips/include/asm/mach-ip32/mc146818rtc.h
new file mode 100644
index 000000000000..c28ba8d84076
--- /dev/null
+++ b/arch/mips/include/asm/mach-ip32/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
+ * Copyright (C) 2000 Harald Koerfgen
+ *
+ * RTC routines for IP32 style attached Dallas chip.
+ */
+#ifndef __ASM_MACH_IP32_MC146818RTC_H
+#define __ASM_MACH_IP32_MC146818RTC_H
+
+#include <asm/ip32/mace.h>
+
+#define RTC_PORT(x)     (0x70 + (x))
+
+static unsigned char CMOS_READ(unsigned long addr)
+{
+        return mace->isa.rtc[addr << 8];
+}
+
+static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
+{
+        mace->isa.rtc[addr << 8] = data;
+}
+
+/*
+ * FIXME: Do it right. For now just assume that noone lives in 20th century
+ * and no O2 user in 22th century ;-)
+ */
+#define mc146818_decode_year(year) ((year) + 2000)
+
+#define RTC_ALWAYS_BCD  0
+
+#endif /* __ASM_MACH_IP32_MC146818RTC_H */