TIM34
keystone_timer_writel(0, TIM34);
keystone_timer_writel(0, TIM34);
timer_counter |= ((u64)ioread32(davinci_wdt->base + TIM34) << 32);
iowrite32(0, davinci_wdt->base + TIM34);
iowrite32(0, davinci_wdt->base + TIM34);