patch-2.3.48 linux/include/asm-mips64/m48t35.h
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- Lines: 33
- Date:
Thu Feb 24 22:53:35 2000
- Orig file:
v2.3.47/linux/include/asm-mips64/m48t35.h
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.3.47/linux/include/asm-mips64/m48t35.h linux/include/asm-mips64/m48t35.h
@@ -0,0 +1,32 @@
+/*
+ * Registers for the SGS-Thomson M48T35 Timekeeper RAM chip
+ */
+
+#ifndef _ASM_M48T35_H
+#define _ASM_M48T35_H
+
+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
+
+#ifndef BCD_TO_BIN
+#define BCD_TO_BIN(x) ((x)=((x)&15) + ((x)>>4)*10)
+#endif
+
+#ifndef BIN_TO_BCD
+#define BIN_TO_BCD(x) ((x)=(((x)/10)<<4) + (x)%10)
+#endif
+
+#endif
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