COM_IER            42 bsp/boot/ppc/prep/debug.c #define COM_IER		(COM_BASE + 0x01)	/* interrupt enable register */
COM_IER            44 bsp/boot/x86/pc/debug.c #define COM_IER		(COM_BASE + 0x01)	/* interrupt enable register */
COM_IER            52 bsp/drv/dev/serial/ns16550.c #define COM_IER		(COM_BASE + 0x01)	/* interrupt enable register */