MESON_ISA_TIMER_MUX
val = readl(timer_base + MESON_ISA_TIMER_MUX);
writel(val, timer_base + MESON_ISA_TIMER_MUX);
writel(val, timer_base + MESON_ISA_TIMER_MUX);
u32 val = readl(timer_base + MESON_ISA_TIMER_MUX);
timer_base + MESON_ISA_TIMER_MUX);
u32 val = readl(timer_base + MESON_ISA_TIMER_MUX);
timer_base + MESON_ISA_TIMER_MUX);