[coreboot] K8 and Fam10 CAR

Marc Jones Marc.Jones at amd.com
Fri Aug 8 17:18:23 CEST 2008

Carl-Daniel Hailfinger wrote:
> On 06.08.2008 18:54, Marc Jones wrote:
>> Carl-Daniel Hailfinger wrote:
>>> - "Errata 193: Disable clean copybacks to L3 cache to allow cached ROM."
>>> Erratum 193 seems to be unlisted in public data sheets. If it is the
>>> famous L3 problem, we might want to enable the workaround only on
>>> affected revisions.
>> This is an errata for early silicon which is why it isn't in the
>> public rev guide. It is a fix for caching instructions while in CAR
>> mode. It can be removed. All Ax support could be removed.
> Does that removal suggestion really mean all Ax support including the
> newly committed Ax microcode updates and the (older) Ax memory
> controller stuff?

Yes, It is there for completeness. I don't think it needs to be carried 
forward to v3.


Marc Jones
Senior Firmware Engineer
(970) 226-9684 Office
mailto:Marc.Jones at amd.com

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