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authorHirokazu Takata <takata@linux-m32r.org>2008-11-28 02:46:48 +0900
committerHirokazu Takata <takata@linux-m32r.org>2009-04-17 10:05:01 +0900
commitfe4e719d82c4052751d2287de4bd18bd04e93685 (patch)
tree3a120e25626becf138f523a356422c0cdf9804c7 /arch/m32r/include/asm/mc146818rtc.h
parent20d9207849d5abe60461841b3c3724f6e7c9d33e (diff)
m32r: move include/asm-m32r headers to arch/m32r/include/asm
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Diffstat (limited to 'arch/m32r/include/asm/mc146818rtc.h')
-rw-r--r--arch/m32r/include/asm/mc146818rtc.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/m32r/include/asm/mc146818rtc.h b/arch/m32r/include/asm/mc146818rtc.h
new file mode 100644
index 00000000000..aa1b7bf84f5
--- /dev/null
+++ b/arch/m32r/include/asm/mc146818rtc.h
@@ -0,0 +1,29 @@
+/*
+ * Machine dependent access functions for RTC registers.
+ */
+#ifndef _ASM_MC146818RTC_H
+#define _ASM_MC146818RTC_H
+
+#include <asm/io.h>
+
+#ifndef RTC_PORT
+#define RTC_PORT(x) ((x))
+#define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */
+#endif
+
+/*
+ * The yet supported machines all access the RTC index register via
+ * an ISA port access but the way to access the date register differs ...
+ */
+#define CMOS_READ(addr) ({ \
+outb_p((addr),RTC_PORT(0)); \
+inb_p(RTC_PORT(1)); \
+})
+#define CMOS_WRITE(val, addr) ({ \
+outb_p((addr),RTC_PORT(0)); \
+outb_p((val),RTC_PORT(1)); \
+})
+
+#define RTC_IRQ 8
+
+#endif /* _ASM_MC146818RTC_H */