CPU_TIMER_CONTROL
return (bus_read_4(wdt_softc->wdt_res, CPU_TIMER_CONTROL));
bus_write_4(wdt_softc->wdt_res, CPU_TIMER_CONTROL, val);
timer_softc->timer_bsh, CPU_TIMER_CONTROL));
timer_softc->timer_bsh, CPU_TIMER_CONTROL, val);