On Fri, May 6, 2022 at 6:16 AM Peter Stuge <[email protected]> wrote:
> Valerii Gugnin wrote:
> > What are the most popular systems on which coreboot is typically used?
>
> I guess that's the various Chromebooks, all of which ship with coreboot.
>
>
> > What mainboards, southbridges, SoCs etc do these systems use?
>
> Chromebook (and related) reference mainboards live under mainboard/google/
> in the codebase, but note that those are just that, reference designs.
>
Just a note that this is not actually the case, the OEM variant firmware is
always (at least
in recent memory) able to be built as well, (see the
mainboard/google/*/variants subdirectories).
Yes it does include the reference design, sometimes as a "baseboard", where
the variants simply
provide their differences from the baseboard.
>
> From these reference designs OEMs that you may already know
> (Lenovo, HP, etc.) then create products which may (or may not!) have
> a subdirectory of their own under mainboard/lenovo/.
>
> Then please refer to the source code for the components used, since
> that's a long list. Look at the Kconfig file (it's just a text file)
> in the subdirectory for a mainboard and you'll see which different
> components that board uses, in select SOUTHBRIDGE_.. etc. lines.
>
>
> > What is the most used part of code (for which system) in coreboot?
>
> A core design principle of coreboot is to maximize code reuse across
> as many systems as possible. This is in contrast to common practice
> among commercial IBVs where a single full codebase per mainboard is
> not uncommon.
>
> So I'd like to answer this your question with "almost everything for
> all systems" but in reality some code is central and other is not.
>
> Code in {console,device,lib}/ is explicitly generic so that should
> have the largest coverage.
>
>
> //Peter
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