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

[Pali Rohár]

On Friday 27 January 2012 03:59:41 Sergey Lapin wrote:
> 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.

There are more (about 80) HW revisions of Nokia N900. And only 5 different X-
Loader images (which are part of public Nokia N900 firmware).

So max. 5 different keys for all N900 devices. (or maybe in one X-Loader image 
are more signatures?)

> 
> > > > 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...
> 

If you find can you write link for that specification?

-- 
Pali Rohár
pali.rohar at gmail.com
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