[LinuxBIOS] Ethernet problem with GeodeLX (db800) with running lxbios
marc.jones at amd.com
Wed Sep 26 00:04:53 CEST 2007
Marc Jones wrote:
> Marc Jones wrote:
>> Marc Jones wrote:
>>> Steffen D. wrote:
>>>> About the ethernet problem:
>> OK. I think is see the problem. Bus Master Enable and Memory Enable
>> aren't enabled in the command register. I am not sure why the Memory
>> Enable isn't set. LinuxBIOS should set that and this seems to be a
>> problem in the LB generic pci init code (Anyone care to debug this?). I
>> think that the driver should enable the Bus Master and LB shouldn't need
>> to touch it (I would be interested in other opinions on this).
>> >setpci 00:0d.0 COMMAND=7
> Sorry, False alarm. I was using a linux image that didn't have the
> network drivers so the memory and the busmaster enables were disabled
> (by the kernel I assume).
Now I think that it is a problem with the command register. The PERR# is
set and this is causing the "8169: eth0: link up". I don't have a way to
test bandwidth here so that is up to you Steffen.
>setpci -s 0d.0 COMMAND=17
I will start another thread on PERR# and SERR# to discuss how and when
they should be enabled.
Senior Firmware Engineer
(970) 226-9684 Office
mailto:Marc.Jones at amd.com
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