COM_MCR            46 bsp/boot/ppc/prep/debug.c #define COM_MCR		(COM_BASE + 0x04)	/* modem control register */
COM_MCR            48 bsp/boot/x86/pc/debug.c #define COM_MCR		(COM_BASE + 0x04)	/* modem control register */
COM_MCR            56 bsp/drv/dev/serial/ns16550.c #define COM_MCR		(COM_BASE + 0x04)	/* modem control register */