[U-Boot] [PATCH 00/14] Nokia RX-51 support

Sergey Lapin slapin at ossfans.org
Fri Jan 27 09:59:41 CET 2012


On Thu, Jan 26, 2012 at 05:39:13PM +0100, Pali Rohár wrote:
> On Thursday 26 January 2012 11:25:59 Sergey Lapin wrote:
> > On Wed, Jan 25, 2012 at 11:00:34PM +0100, Marek Vasut wrote:
> > > 
> > > What do you mean, you don't need xloader, u-boot SPL can replace it.
> > 
> > Yes and no. No, becaue you nor I have no Nokia's signing key(s) to sign
> > SPL binary for OMAP's secure boot ROM. IIRC N950/N9 is even more strict
> > regarding that, am I right?
> 
> You are right, we cannot sign SPL binary for N900 because we do not have key. 
> Signing key has only somebody in Nokia (or in TI). I do not have N950/N9 so I 
> do not know anything about new devices.

Probably autobuilder does have a key, but the question is if key is
different for each device or not.
> 
> > > 
> > > I know. So ... ? Basically you can use the TI flashes too since it all
> > > goes
> > > through the bootrom, right?
> > 
> > Butrom requires signed binary.
> > 
> 
> Yes and format of signed binary is not published by TI (there are only some RE 
> info about Motorola Omap devices).
Well, format is somewhat documented in public TI specifications,
but that won't help anyway becase of OMAP's little OTP memory...
> 
> I can try to play with SPL U-Boot binary and X-Loader in qemu. But this and 
> next month I do not have time for it...
Me neither.

All the best,
S.



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