patch-2.2.14 linux/include/asm-ppc/m48t35.h
Next file: linux/include/asm-ppc/processor.h
Previous file: linux/include/asm-ppc/keyboard.h
Back to the patch index
Back to the overall index
- Lines: 31
- Date:
Tue Jan 4 10:12:24 2000
- Orig file:
v2.2.13/linux/include/asm-ppc/m48t35.h
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.2.13/linux/include/asm-ppc/m48t35.h linux/include/asm-ppc/m48t35.h
@@ -0,0 +1,30 @@
+/*
+ * Registers for the SGS-Thomson M48T35 Timekeeper RAM chip
+ */
+
+#ifndef __PPC_M48T35_H
+#define __PPC_M48T35_H
+
+/* RTC offsets */
+#define M48T35_RTC_CONTROL 0
+#define M48T35_RTC_SECONDS 1
+#define M48T35_RTC_MINUTES 2
+#define M48T35_RTC_HOURS 3
+#define M48T35_RTC_DAY 4
+#define M48T35_RTC_DOM 5
+#define M48T35_RTC_MONTH 6
+#define M48T35_RTC_YEAR 7
+
+#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
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)