[coreboot] New addendums to INTEL FSP family (ron minnich)

Patrick Georgi patrick at georgi-clan.de
Sat May 10 00:00:47 CEST 2014


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Am 09.05.2014 23:44, schrieb echelon at free.fr:
> What is this "signed binary only part"? Can you elaborate please? 
> Is it the SPL? But, according to this U-Boot page
> (https://github.com/linux-sunxi/u-boot-sunxi/wiki) "U-Boot SPL
> fully replaces Allwinner boot0 & boot1".. I'm confused..
As I noted, this is third hand knowledge, but: the allwinner CPUs have
a boot ROM somewhere in the chip. The code is immutable (hence ROM)
and rather tiny.

My mistake is two-fold: one, it's not about signed code, but about
immutable one - but since it can be read, it can be analyzed, and so
besides the "it's immutable so it's not software" defense, its impact
is well-known. Second, after re-reading my notes I'm not quite clear
if that analysis was actually conducted by "our" dev or someone else.

Whatever the case, Alex certainly knows a lot of things about the
Allwinner now and considers it good from a blob perspective, and I
happily rely on the expert.
If in doubt he knows more about that chip than I do (but he's offline
for the next 10 weeks or so).


Regards,
Patrick
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