[coreboot] Req: FOSS-restricting firmware hints

[Timothy Pearson]

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On 07/08/2015 03:35 PM, Nico Rikken wrote:
> Dear ARM-netbook and Coreboot readers,
> 
> In FSFE context we're looking for examples regarding firmware
> restrictions on modern computer hardware. This so that we can shed light
> on the difficult situation you are all too familiar with. Examples are:
> 
> - Trusted Platform Module (TPM) chips
> - Secure Boot
> - Intel
>   - Management Engine
>   - Advanced Management Technology
>   - Boot Guard
> 
> It will be great if you can add some from the top of your head, ideally
> including some references. I'll be doing my own research as well, but
> your hints will greatly help this process.
> 
> Kind regards,
> Nico Rikken
> 

AMD's Platform Security Processor (PSP) is another example -- the x86
portion of the processor won't start unless the PSP says it's OK, and
the PSP firmware is signed such that it cannot be replaced with a free
software equivalent.

- -- 
Timothy Pearson
Raptor Engineering
+1 (415) 727-8645
http://www.raptorengineeringinc.com
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