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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-07 09:55:03 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 09:55:03 +0100
commit4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch)
treed240e4d40357583e3f3eb228dccf20122a5b31ed /arch/sparc/include/asm/mc146818rtc_64.h
parentf44f82e8a20b98558486eb14497b2f71c78fa325 (diff)
parent64a99d2a8c3ed5c4e39f3ae1cc682aa8fd3977fc (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'arch/sparc/include/asm/mc146818rtc_64.h')
-rw-r--r--arch/sparc/include/asm/mc146818rtc_64.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/mc146818rtc_64.h b/arch/sparc/include/asm/mc146818rtc_64.h
new file mode 100644
index 000000000000..e9c0fcc25c6f
--- /dev/null
+++ b/arch/sparc/include/asm/mc146818rtc_64.h
@@ -0,0 +1,34 @@
+/*
+ * Machine dependent access functions for RTC registers.
+ */
+#ifndef __ASM_SPARC64_MC146818RTC_H
+#define __ASM_SPARC64_MC146818RTC_H
+
+#include <asm/io.h>
+
+#ifndef RTC_PORT
+#ifdef CONFIG_PCI
+extern unsigned long ds1287_regs;
+#else
+#define ds1287_regs (0UL)
+#endif
+#define RTC_PORT(x) (ds1287_regs + (x))
+#define RTC_ALWAYS_BCD 0
+#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_SPARC64_MC146818RTC_H */