[coreboot] how to model the Quark architecture

[ron minnich]

I plan to use the intel code as as guide, but not pull it in directly. We
have source, we should do it right. I am going to take Aaron's suggestion
and structure it as baytrail is structured.

FSP is fine for binary distros, but it's not a good fit if we have the
ability to do the whole thing in source form.

ron


On Tue, Feb 25, 2014 at 5:41 AM, Stojsavljevic, Zoran <
zoran.stojsavljevic at intel.com> wrote:

> -----Original Message-----
> > From: coreboot-bounces at coreboot.org [mailto:
> coreboot-bounces at coreboot.org] On Behalf Of Patrick Georgi
> > Sent: Tuesday, February 25, 2014 1:13 PM
> > To: coreboot at coreboot.org
> > Subject: Re: [coreboot] how to model the Quark architecture
> >
> > One problem is that in coreboot development we care about style
> (although there will be disagreement to which degree).
> > And not just in a formal way (which indent could solve), but I'd rather
> not see things like
> > (BIT31 | BIT30 | BIT29 | .. all the way down to .. | BIT 1 | BIT 0) in
> our tree.
> >
> > While looking terribly enterprisey, it's just terrible.
> > Intel code, at least as far as it is public and not part of the Linux
> kernel, manages to collect all the horrible code standards in a single
> place.
>
> I can imagine... Myself, I started looking into the some INTEL source
> code, and... But maybe for Quark FSP, there are only three functions which
> need to wrap the above mentioned Quark source code, as per general FSP spec:
> ROM stage - FSP calls:
>         TempRamInitEntry();
>         FspInitEntry();
>
> RAM stage - FSP calls:
>         NotifyPhaseEntry() - twice invoked!
>
> Maybe this can isolate (temporarily) the coding style problem, and expose
> just FSP I/F - APIs as they are created by FSP spec (as to support and
> unify access for other binary FSP blobs) for another CPUs... For the very
> beginning!
>
> This what I have proposed binds to current Coreboot FSP support/framework
> for other INTEL CPUs (and can be easily cloned/replicated for Quark
> framework, for/per the current INTEL architecture)... I hope!
>
> Zoran
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