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authorIngo Molnar <mingo@elte.hu>2008-10-12 15:17:14 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-12 15:17:14 +0200
commit620f2efcdc5c7a2db68da41bc3df3cf9a718024e (patch)
treeb1a0411e2588953777d0b10245b12044c33cef54 /arch/mips/include/asm/m48t35.h
parent04944b793e18ece23f63c0252646b310c1845940 (diff)
parentfd048088306656824958e7783ffcee27e241b361 (diff)
downloadtalos-op-linux-620f2efcdc5c7a2db68da41bc3df3cf9a718024e.tar.gz
talos-op-linux-620f2efcdc5c7a2db68da41bc3df3cf9a718024e.zip
Merge branch 'linus' into x86/xsave
Diffstat (limited to 'arch/mips/include/asm/m48t35.h')
-rw-r--r--arch/mips/include/asm/m48t35.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/mips/include/asm/m48t35.h b/arch/mips/include/asm/m48t35.h
new file mode 100644
index 000000000000..f44852e9a96d
--- /dev/null
+++ b/arch/mips/include/asm/m48t35.h
@@ -0,0 +1,27 @@
+/*
+ * Registers for the SGS-Thomson M48T35 Timekeeper RAM chip
+ */
+#ifndef _ASM_M48T35_H
+#define _ASM_M48T35_H
+
+#include <linux/spinlock.h>
+
+extern spinlock_t rtc_lock;
+
+struct m48t35_rtc {
+ volatile u8 pad[0x7ff8]; /* starts at 0x7ff8 */
+ volatile u8 control;
+ volatile u8 sec;
+ volatile u8 min;
+ volatile u8 hour;
+ volatile u8 day;
+ volatile u8 date;
+ volatile u8 month;
+ volatile u8 year;
+};
+
+#define M48T35_RTC_SET 0x80
+#define M48T35_RTC_STOPPED 0x80
+#define M48T35_RTC_READ 0x40
+
+#endif /* _ASM_M48T35_H */
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