COM_MCR 111 bsp/boot/ppc/prep/debug.c outb(COM_MCR, 0x03); /* Ready */ COM_MCR 98 bsp/boot/x86/pc/debug.c outb(COM_MCR, 0x03); /* Ready */ COM_MCR 189 bsp/drv/dev/serial/ns16550.c bus_write_8(COM_MCR, 0x0b); /* Enable OUT2 interrupt */