include/asm-ppc/m48t35.h

   1 /*
   2  *  Registers for the SGS-Thomson M48T35 Timekeeper RAM chip
   3  */
   4
   5 #ifndef __PPC_M48T35_H
   6 #define __PPC_M48T35_H
   7
   8 /* RTC offsets */
   9 #define M48T35_RTC_CONTROL  0
  10 #define M48T35_RTC_SECONDS  1
  11 #define M48T35_RTC_MINUTES  2
  12 #define M48T35_RTC_HOURS    3
  13 #define M48T35_RTC_DAY      4
  14 #define M48T35_RTC_DOM      5
  15 #define M48T35_RTC_MONTH    6
  16 #define M48T35_RTC_YEAR     7
  17
  18 #define M48T35_RTC_SET      0x80
  19 #define M48T35_RTC_STOPPED  0x80
  20 #define M48T35_RTC_READ     0x40
  21
  22 #ifndef BCD_TO_BIN
  23 #define BCD_TO_BIN(x)   ((x)=((x)&15) + ((x)>>4)*10)
  24 #endif
  25
  26 #ifndef BIN_TO_BCD
  27 #define BIN_TO_BCD(x)   ((x)=(((x)/10)<<4) + (x)%10)
  28 #endif
  29
  30 #endif