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

[Marek Vasut]

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 ?

Best regards,
Marek Vasut