[coreboot] Boot issues (CBFS?) on VIA pc2500e
Carl-Daniel Hailfinger
c-d.hailfinger.devel.2006 at gmx.net
Sat Oct 3 20:22:01 CEST 2009
On 03.10.2009 19:15, Uwe Hermann wrote:
> On Thu, Oct 01, 2009 at 01:15:52PM +0200, Stefan Reinauer wrote:
>
>> Myles Watson wrote:
>>
>>>> High Tables Base is 1fff0000.
>>>> Copying Interrupt Routing Table to 0x000f0000... done.
>>>> Copying Interrupt Routing Table to 0x1fff0000... done.
>>>> Wrote the mp table end at: 000f0410 - 000f0568
>>>> Wrote the mp table end at: 1fff0410 - 2001040e
>>>>
>>>>
>>> Writing high tables above RAM! Why is the high MP table so much larger than
>>> the low one?
>>>
>>>
>>>
>> Right! Good spotting... something is reaaaally fishy here... Almost 64k
>> mp table vs 300 bytes.
>>
>>
>>
>>>> Moving GDT to 0x20010800...ok
>>>>
>>>>
>> And, this alone is good for quite a crash.
>>
>
> I bisected this, the commit that broke the board was r4238, where high
> tables support was added. Disabling it in
> src/northbridge/cn700/Config.lb results in a successful boot into FILO.
>
> Not sure what the correct fix for working high tables support for this
> board/chipset is.
>
High tables are also broken on 690G. I sent a hacky patch for this
(which is unmerged), but we need a real solution.
Regards,
Carl-Daniel
--
http://www.hailfinger.org/
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