RTC_REG_XPRAM     161 arch/m68k/mac/misc.c #define RTC_CMD_XPRAM_READ      (RTC_CMD_READ(RTC_REG_XPRAM) << 8)
RTC_REG_XPRAM     162 arch/m68k/mac/misc.c #define RTC_CMD_XPRAM_WRITE     (RTC_CMD_WRITE(RTC_REG_XPRAM) << 8)