[U-Boot] [PATCH v2 0/7] The patchset fixes some issue in the generation of the imx image

[Tom Rini]

On Mon, Aug 19, 2013 at 09:45:55PM +0200, Marek Vasut wrote:
> Dear Tom Rini,
> 
> > On Mon, Aug 19, 2013 at 06:44:03PM +0200, Stefano Babic wrote:
> > > Hi Tom,
> > > 
> > > On 19/08/2013 18:19, Tom Rini wrote:
> > > > On Mon, Aug 12, 2013 at 04:39:27PM +0200, Stefano Babic wrote:
> > > >> (header for Freescale's i.MX processors) to allow the usage of
> > > >> Freescale's tools to sign the u-boot image and provide a secure
> > > >> boot.
> > > >> 
> > > >> This has nothing to do with the Secure Boot extensions
> > > >> implemented by Simon Glass, that can be in any case used to boot
> > > >> later a secure image. Freescale's secure boot ensures that a
> > > >> signed bootloader is started only if it is verified with a key
> > > >> that is burned into the iMX fuses. Documentation about the
> > > >> Freescale's secure process can be read from the AN4591, available
> > > >> on the Freescale's Website.
> > > > 
> > > > Where does Marek's patch fall in here exactly?
> > > 
> > > Marek's patch is intended to add support for mxs based processor (mx23
> > > / mx28) and it is quite parallel to mine and I think Marek will
> > > replace Freescale's own tool elftosb.
> > 
> > But, for clarity, there's not a whole bunch of common code that could be
> > used here, and these i.MXes are different from those i.MXes?
> 
> MX23/28 and the rest of IMX use the same "HAB" thing, but due to
> differences in their bootrom (MXS is sigmatel design, IMX is
> freescale), it's done differently on both MXS and IMX. Thus we need
> two implementations :-( IIRC there is HABv3 on IMX and HABv4 on MXS,
> no ?

OK, thanks.

-- 
Tom
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