TIMER_CTL_REG 32 drivers/clocksource/timer-sun4i.c #define TIMER_CTL_REG(val) (0x10 * val + 0x10) TIMER_CTL_REG 29 drivers/clocksource/timer-sun5i.c #define TIMER_CTL_REG(val) (0x20 * (val) + 0x10)