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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-28 08:33:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-28 08:33:25 -0700
commitc32f1a34ff1097110469a240ea4539dc9c101e96 (patch)
treeeda863205e83afe54cbedcf15cdac416cdec2cf5 /arch/sparc/include/asm/mc146818rtc_32.h
parent4f31f3080943c7e3541f07df326f06d598a067d0 (diff)
parent04d91cb8163f7f946e348b2362a6e5dfa5f06b13 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc: Set CONFIG_HAVE_ARCH_TRACEHOOK sparc: Add task_pt_regs(). sparc: Add call to tracehook_signal_handler(). sparc: Create and use TIF_NOTIFY_RESUME. sparc: Use tracehook routines in syscall_trace(). sparc64: tracehook: CONFIG_HAVE_ARCH_TRACEHOOK sparc: Add user_stack_pointer(). sparc64: tracehook_signal_handler sparc64: tracehook: TIF_NOTIFY_RESUME sparc: Add asm/syscall.h sparc64: tracehook syscall sparc: enable headers_export again sparc, sparc64: use arch/sparc/include
Diffstat (limited to 'arch/sparc/include/asm/mc146818rtc_32.h')
-rw-r--r--arch/sparc/include/asm/mc146818rtc_32.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/mc146818rtc_32.h b/arch/sparc/include/asm/mc146818rtc_32.h
new file mode 100644
index 00000000000..fa7eac92658
--- /dev/null
+++ b/arch/sparc/include/asm/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 */