patch-2.4.14 linux/include/asm-ppc/m48t35.h
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- Lines: 93
- Date:
Fri Nov 2 17:43:54 2001
- Orig file:
v2.4.13/linux/include/asm-ppc/m48t35.h
- Orig date:
Mon May 21 15:02:06 2001
diff -u --recursive --new-file v2.4.13/linux/include/asm-ppc/m48t35.h linux/include/asm-ppc/m48t35.h
@@ -1,27 +1,83 @@
/*
- * BK Id: SCCS/s.m48t35.h 1.5 05/17/01 18:14:25 cort
+ * BK Id: SCCS/s.m48t35.h 1.8 10/16/01 15:58:42 trini
*/
/*
* Registers for the SGS-Thomson M48T35 Timekeeper RAM chip
+ * and
+ * Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
+ * The 37 is the 35 plus alarm and century thus the offsets
+ * are shifted by the extra registers.
*/
#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_FLAGS (-8) /* the negative regs are really T37 only */
+#define M48T35_RTC_CENTURY (-7)
+#define M48T35_RTC_AL_SEC (-6)
+#define M48T35_RTC_AL_MIN (-5)
+#define M48T35_RTC_AL_HRS (-4)
+#define M48T35_RTC_AL_DOM (-3)
+#define M48T35_RTC_INTERRUPT (-2)
+#define M48T35_RTC_WATCHDOG (-1)
+#define M48T35_RTC_CONTROL 0 /* T35 starts here */
+#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
+/* this way help us know which bits go with which regs */
+#define M48T35_RTC_FLAGS_BL 0x10
+#define M48T35_RTC_FLAGS_AF 0x40
+#define M48T35_RTC_FLAGS_WDF 0x80
+
+#define M48T35_RTC_INTERRUPT_AFE 0x80
+#define M48T35_RTC_INTERRUPT_ABE 0x20
+#define M48T35_RTC_INTERRUPT_ALL (M48T35_RTC_INTERRUPT_AFE|M48T35_RTC_INTERRUPT_ABE)
+
+#define M48T35_RTC_WATCHDOG_RB 0x03
+#define M48T35_RTC_WATCHDOG_BMB 0x7c
+#define M48T35_RTC_WATCHDOG_WDS 0x80
+#define M48T35_RTC_WATCHDOG_ALL (M48T35_RTC_WATCHDOG_RB|M48T35_RTC_WATCHDOG_BMB|M48T35_RTC_W
+
+#define M48T35_RTC_CONTROL_WRITE 0x80
+#define M48T35_RTC_CONTROL_READ 0x40
+#define M48T35_RTC_CONTROL_CAL_SIGN 0x20
+#define M48T35_RTC_CONTROL_CAL_VALUE 0x1f
+#define M48T35_RTC_CONTROL_LOCKED (M48T35_RTC_WRITE|M48T35_RTC_READ)
+#define M48T35_RTC_CONTROL_CALIBRATION (M48T35_RTC_CONTROL_CAL_SIGN|M48T35_RTC_CONTROL_CAL_VALUE)
+
+#define M48T35_RTC_SECONDS_SEC_1 0x0f
+#define M48T35_RTC_SECONDS_SEC_10 0x70
+#define M48T35_RTC_SECONDS_ST 0x80
+#define M48T35_RTC_SECONDS_SEC_ALL (M48T35_RTC_SECONDS_SEC_1|M48T35_RTC_SECONDS_SEC_10)
+
+#define M48T35_RTC_MINUTES_MIN_1 0x0f
+#define M48T35_RTC_MINUTES_MIN_10 0x70
+#define M48T35_RTC_MINUTES_MIN_ALL (M48T35_RTC_MINUTES_MIN_1|M48T35_RTC_MINUTES_MIN_10)
+
+#define M48T35_RTC_HOURS_HRS_1 0x0f
+#define M48T35_RTC_HOURS_HRS_10 0x30
+#define M48T35_RTC_HOURS_HRS_ALL (M48T35_RTC_HOURS_HRS_1|M48T35_RTC_HOURS_HRS_10)
+
+#define M48T35_RTC_DAY_DAY_1 0x03
+#define M48T35_RTC_DAY_FT 0x40
+
+#define M48T35_RTC_ALARM_OFF 0x00
+#define M48T35_RTC_WATCHDOG_OFF 0x00
+
+
+/* legacy */
#define M48T35_RTC_SET 0x80
#define M48T35_RTC_STOPPED 0x80
#define M48T35_RTC_READ 0x40
+
+/* read/write conversions */
#ifndef BCD_TO_BIN
#define BCD_TO_BIN(x) ((x)=((x)&15) + ((x)>>4)*10)
#endif
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