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[/] [or1k/] [tags/] [LINUX_2_4_26_OR32/] [linux/] [linux-2.4/] [include/] [asm-ppc/] [m48t35.h] - Rev 1780
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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 /* read/write conversions */ #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
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