[coreboot] i82801xx nic problems.

joe at smittys.pointclark.net joe at smittys.pointclark.net
Thu Jan 31 08:42:36 CET 2008

Quoting joe at smittys.pointclark.net:

> Quoting joe at smittys.pointclark.net:
>> Quoting Corey Osgood <corey.osgood at gmail.com>:
>>> On Jan 30, 2008 9:50 AM, <joe at smittys.pointclark.net> wrote:
>>>> Hello,
>>>> I am racking my brains with this. No matter what I do I can't seem to
>>>> get the nic working. The nic is onboard the i82801DB southbridge down
>>>> from the PCI bridge, so my Config.lb looks something like this:
>>>> device pci 1e.0 on # PCI bridge: Intel Corporation 82801 PCI Bridge
>>>> chip drivers/pci/onboard
>>>> device pci 08.0 on end # Intel Corporation 82801DB PRO/100 VE Ethernet
>>>> Controller
>>>> end
>>>> end
>> lspci -t
>> +-1e.0-[0000:01]----08.0
>>>> But no matter what I try coreboot thinks it is a static device and
>>>> disables it.
>>>> do_pci_scan_bridge for PCI: 00:1e.0
>>>> PCI: pci_scan_bus for bus 01
>>>> Disabling static device: PCI: 01:08.0
> Well, I think I may have figured this out???
> When comparing the coreboot to original bios PCI Bridge 00:1e.0
> registers, it seems if the LAN controller wants use of the PCI bus it
> needs to request it. Kind of funny:-)
> With coreboot register 0x82 (PCI_MAST_STS?PCI Master Status Register)
> is defaulted to 0x00. The original bios has bit 6 set (0x40), which is
> "The ICH4?s internal LAN controller has requested use of the PCI bus."
> So if I set this bit, coreboot should find the device when scanning the
> bus, correct?
> I will try it out later tonight and report back.
Nope no luck:-((((

Thanks - Joe

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