root/include/asm-mips/mc146818rtc.h

/* */

INCLUDED FROM

   1 /*
   2  * Machine dependend access functions for RTC registers.
   3  */
   4 #ifndef __ASM_MIPS_MC146818RTC_H
   5 #define __ASM_MIPS_MC146818RTC_H
   6 
   7 #include <asm/io.h>
   8 #include <asm/vector.h>
   9 
  10 #ifndef RTC_PORT
  11 #define RTC_PORT(x)     (0x70 + (x))
  12 #define RTC_ALWAYS_BCD  1
  13 #endif
  14 
  15 /*
  16  * The yet supported machines all access the RTC index register via
  17  * an ISA port access but the way to access the date register differs ...
  18  */
  19 #define CMOS_READ(addr) ({ \
  20 outb_p((addr),RTC_PORT(0)); \
  21 feature->rtc_read_data(); \
  22 })
  23 #define CMOS_WRITE(val, addr) ({ \
  24 outb_p((addr),RTC_PORT(0)); \
  25 feature->rtc_write_data(val); \
  26 })
  27 
  28 #endif /* __ASM_MIPS_MC146818RTC_H */

/* */