[coreboot] Timings v2
Peter Stuge
peter at stuge.se
Tue Apr 21 14:32:41 CEST 2009
Kevin O'Connor wrote:
> > I think you're as close as you will get without multibyte
> > Firmware Memory Read:
>
> Thanks Peter.
>
> I don't think my epia-cn has FWH.
You're right. EPIA-CN uses LPC flash.
> With FWH, will a cache-line fill result in a 128byte flash read,
> or does one have to implement special instructions to make use of
> it?
That would be at the discretion of the LPC bus master, ie. the
southbridge.
I speculate that no southbridge actually does this.
> As a side note, things will also improve a little with lzma
> compression of the roms.
Yep, that's a good point.
//Peter
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