[coreboot] [RFC] change the ROM caching for AMD CAR
marcj303 at gmail.com
Fri May 28 20:09:24 CEST 2010
2010/5/23 Rudolf Marek <r.marek at assembler.cz>:
> Hi all,
> It looks like we can cache now the whole ROM while in CAR (i showed that in
> the analysis posted earlier, it works too ;)
> The attached patch does that. Comments?
> Marc and I thinks we can add some safeguard to check if any L2 data was
> evicted during CAR to RAM. This is just few instructions to enable the
> PerfCounter and
> then read it in the post_cache_as_ram. I will post this as separate patch.
> Signed-off-by: Rudolf Marek <r.marek at assembler.cz>
> I did not test this particular patch however it does work with similar
> changes already. I take this patch as think for RFC, if it is enough to
> change it like this.
I would test and ack a patch with the perfcounter setup in it.
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