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authorIngo Molnar <mingo@elte.hu>2008-07-22 09:06:21 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-22 09:06:21 +0200
commit76c3bb15d6786a0b8da0ad0090e0c9c3672fc08b (patch)
tree3824e008db9d554229a70c85fbbc13238276bd7a /include/asm-sparc/mc146818rtc_32.h
parent7be42004065ce4df193aeef5befd26805267d0d9 (diff)
parent93ded9b8fd42abe2c3607097963d8de6ad9117eb (diff)
Merge branch 'linus' into x86/x2apic
Diffstat (limited to 'include/asm-sparc/mc146818rtc_32.h')
-rw-r--r--include/asm-sparc/mc146818rtc_32.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/asm-sparc/mc146818rtc_32.h b/include/asm-sparc/mc146818rtc_32.h
new file mode 100644
index 00000000000..fa7eac92658
--- /dev/null
+++ b/include/asm-sparc/mc146818rtc_32.h
@@ -0,0 +1,29 @@
+/*
+ * Machine dependent access functions for RTC registers.
+ */
+#ifndef __ASM_SPARC_MC146818RTC_H
+#define __ASM_SPARC_MC146818RTC_H
+
+#include <asm/io.h>
+
+#ifndef RTC_PORT
+#define RTC_PORT(x) (0x70 + (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_SPARC_MC146818RTC_H */