| /* |
| * 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 |
