> -----Original Message----- > From: Carl-Daniel Hailfinger [mailto:[EMAIL PROTECTED] > Sent: Thursday, October 30, 2008 8:49 AM > To: Myles Watson > Cc: 'Coreboot' > Subject: Re: [coreboot] Serengeti dts > > On 30.10.2008 15:47, Myles Watson wrote: > > > >> -----Original Message----- > >> From: Carl-Daniel Hailfinger [mailto:[EMAIL PROTECTED] > >> Sent: Thursday, October 30, 2008 6:55 AM > >> To: Myles Watson > >> Cc: Coreboot > >> Subject: Re: [coreboot] Serengeti dts > >> > >> On 29.10.2008 22:23, Myles Watson wrote: > >> > >>> I'm running with a very minimalized dts (attached) to try to get to > the > >>> point where a device gets matched correctly and disabled. I think > >>> > >> devices > >> > >>> that should be disabled are causing me grief in SimNOW. > >>> > >>> This is a snippet of the log file that has me wondering what I'm doing > >>> wrong: > >>> > >>> PCI: pci_scan_bus pci_probe_dev returns dev 0x00000000(None (not > found)) > >>> PCI: devfn 0x8 > >>> pci_scan_get_dev: list is 0x000ce8bc, *list is 0x00000000 > >>> PCI: pci_scan_bus pci_scan_get_dev returns dev None (no dev in tree > yet) > >>> new_device: devcnt 14 > >>> find_device_operations: check all_device_operations[i] 0x0000d7a0 > >>> find_device_operations: cons 0x0000d7a0, cons id PCI: 1022:0001 > >>> find_device_operations: check all_device_operations[i] 0x0000d800 > >>> find_device_operations: cons 0x0000d800, cons id APIC_CLUSTER: > 1022:1100 > >>> find_device_operations: check all_device_operations[i] 0x0000d860 > >>> find_device_operations: cons 0x0000d860, cons id PCI: 1022:1100 > >>> find_device_operations: check all_device_operations[i] 0x0000dc80 > >>> find_device_operations: cons 0x0000dc80, cons id PCI: 1022:7460 > >>> find_device_operations: check all_device_operations[i] 0x0000dc20 > >>> find_device_operations: cons 0x0000dc20, cons id PCI: 1022:7462 > >>> find_device_operations: match > >>> PCI: 01:01.0 id PCI: 1022:7462 ops > >>> PCI: 01:01.0 [PCI: 1022:7462] enabled > >>> PCI: pci_scan_bus pci_probe_dev returns dev 0x00012c70(dynamic PCI: > >>> > >> 01:01.0) > >> > >>> Not a multi function device, or the device is not present. Skip to > next > >>> device. > >>> > >>> Even though there's a match, a new device got created (dynamic PCI: > >>> > >> 01:01.0) > >> > >>> Because of that, the enabled flag gets lost. > >>> > >>> > >> You can't fix that in the dts. It's a code bug. I had a fix for the old > >> device tree code, but forward porting will takes some time. I hope to > >> create a working version over the weekend. > >> > > > > I'd love to hear the general idea, even before I see the patch. I'm > > surprised that you think the problem is in the device tree code. > > > > Scan your boot log for the string "error". Don't remember the > capitalization. Basically, we use the wrong device in the tree as basis > for the scan, so we get no matches at all. > > I'll post my old patch.
Great. Thanks, Myles -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
