TIMER1_EN
u = (u & ~TIMER1_RELOAD_EN) | TIMER1_EN;
writel(u & ~TIMER1_EN, timer_base + TIMER_CTRL_OFF);
writel(u | TIMER1_EN | TIMER1_RELOAD_EN, timer_base + TIMER_CTRL_OFF);
TIMER1_RELOAD_EN | TIMER1_EN, TIMER1_EN);
TIMER1_RELOAD_EN | TIMER1_EN, 0);
TIMER1_RELOAD_EN | TIMER1_EN,
TIMER1_RELOAD_EN | TIMER1_EN);