1 files changed, 77 insertions, 0 deletions

diff --git a/include/asm-ppc/m48t35.h b/include/asm-ppc/m48t35.h
new file mode 100644
index 000000000000..f3c5e5dfa986
--- /dev/null
+++ b/include/asm-ppc/m48t35.h
@@ -0,0 +1,77 @@
+/*
+ *  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_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
+
+
+#endif