Re: [coreboot] [PATCH] v3: VIA C7 CAR

[Peter Stuge]

Carl-Daniel Hailfinger wrote:
> That XIP stuff needs a good explanation anyway. We may want to have
> it cover the boot block only or the bootblock and initram. Either
> way, reading the whole ROM to cache it may be less than useful and
> a severe performance killer early on.

XIP could never perform better than fetching from cache except if the
cache is broken. I would like XIP on/off to be an expert option in
Kconfig unless we can reliably detect cache failure at runtime and
decide on XIP or not from that.

On the other hand, too much logic this early on is not appealing.

//Peter