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/*
* 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
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