arch/m68k/include/asm/mc146818rtc_mm.h

   1 /*
   2  * Machine dependent access functions for RTC registers.
   3  */
   4 #ifndef _ASM_MC146818RTC_H
   5 #define _ASM_MC146818RTC_H
   6
   7
   8 #ifdef CONFIG_ATARI
   9 /* RTC in Atari machines */
  10
  11 #include <asm/atarihw.h>
  12
  13 #define RTC_PORT(x)     (TT_RTC_BAS + 2*(x))
  14 #define RTC_ALWAYS_BCD  0
  15
  16 #define CMOS_READ(addr) ({ \
  17 atari_outb_p((addr),RTC_PORT(0)); \
  18 atari_inb_p(RTC_PORT(1)); \
  19 })
  20 #define CMOS_WRITE(val, addr) ({ \
  21 atari_outb_p((addr),RTC_PORT(0)); \
  22 atari_outb_p((val),RTC_PORT(1)); \
  23 })
  24 #endif /* CONFIG_ATARI */
  25
  26 #endif /* _ASM_MC146818RTC_H */