[coreboot] how to route IRQ4 (COM1) on LPC bus for bayleybay_fsp

Rudolf Marek r.marek at assembler.cz
Thu Jan 14 23:02:30 CET 2016


What does it mean not available? Maybe you can check if you programmed ELCR
register to edge for IRQ4.

You can't share the IRQ4 with PCI IRQ I think thats why it does not work.

You need to route the the PIRQA to something else, like IRQ3.


More information about the coreboot mailing list