TIMER0_RELOAD_OFF
writel(0xffffffff, timer_base + TIMER0_RELOAD_OFF);
writel(ticks_per_jiffy - 1, local_base + TIMER0_RELOAD_OFF);
writel(0xffffffff, timer_base + TIMER0_RELOAD_OFF);
writel(0xffffffff, timer_base + TIMER0_RELOAD_OFF);