[coreboot] fallback/normal support [PATCH]Remove non-CBFS
Kevin O'Connor
kevin at koconnor.net
Fri Oct 2 01:58:25 CEST 2009
On Thu, Oct 01, 2009 at 09:09:50AM +0200, Patrick Georgi wrote:
> My plan for it, pending any better solution:
> - unify the decision stuff into a single place
> - move everything but the decision stuff out of the bootblock (so it
> essentially becomes immutable across updates)
> - extend kconfig so it knows how to update existing images (by adding
> new files)
> - somehow make flashrom smart enough to safely update the flash
Thanks - that sounds like a big improvement.
> Open issues are:
> We need early rom mapping and CMOS access for all boards. So far, only
> the boards with failover layout are somewhat guaranteed to have code for
> that.
Proprietary BIOS have a cmos variable for a similar purpose - 0x0f
(RESET CODE). Coreboot could probably use the same variable -
defining one variable for all boards is probably simpler than having
to define it on every board.
-Kevin
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