On 15.11.2016 03:03, Charlotte Plusplus wrote: > Hello > > The USB3 on a W520 is provided by a uPD7020200 on PCIe port 7, so I just > had in my device tree: > device pci 1c.6 on end > > Yet in the boot I was getting: > PCI: Static device PCI: 00:1c.6 not found, disabling it.
This error message is unrelated to the subsystem id. In this case, core- boot can't even set the id. It looks more like 00:1c.6 was (still?) dis- abled through the function disable (FD) register? I don't know if it gets cleared on every reboot.Do you still set it in early romstage? Nico > > After googlging about this, I found the x230 uses subsystemid > device pci 1c.6 on subsystemid 0x17aa 0x21db end > > After trying that, I could get the USB3 to be detected and working > correctly on the W520. > > Nowhere else I need subsystemid, so I don't understand why it is needed > here. > I don't want to copy something I don't understand, especially if it may be > needed in other places. > > Could someone explain when subsystemid is required? > > Thanks > Charlotte > > > -- coreboot mailing list: [email protected] https://www.coreboot.org/mailman/listinfo/coreboot
