TIMER_CTRL_IE      25 drivers/clocksource/mps2-timer.c #define TIMER_CTRL_IE		BIT(3)
TIMER_CTRL_IE      24 drivers/clocksource/timer-sp.h #define TIMER_CTRL_IE		(1 << 5)	/*   VR */
TIMER_CTRL_IE      20 include/soc/arc/timers.h #define TIMER_CTRL_IE	        (1 << 0) /* Interrupt when Count reaches limit */