[U-Boot] [PATCH v2] SPL: FIT: Enable SPL_FIT_LOAD in RAM based boot mode

Michal Simek
2016-05-19T18:33:28Z

Hi Andreas,

2016-05-19 20:16 GMT+02:00 Andreas Dannenberg <dannenberg@ti.com>:

> Hi Michal,
>
> On Thu, May 19, 2016 at 06:38:04PM +0200, Michal Simek wrote:
> > On 19.5.2016 18:15, Andreas Dannenberg wrote:
> > > On Tue, May 17, 2016 at 07:00:24PM +0200, Michal Simek wrote:
> > >> Support loading FIT in SPL for RAM bootmode.
> > >> CONFIG_SPL_LOAD_FIT_ADRESS points to address where FIT image is stored
> > >> in memory.
> > >>
> > >> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> > >> Reviewed-by: Simon Glass <sjg@chromium.org>
> > >> ---
> > >
> > > Reviewed-by: Andreas Dannenberg <dannenberg@ti.com>
> > >
> > >
> > > That's a very useful addition to the SPL FIT toolbox! I have a use case
> > > where I may need to decrypt/authenticate an SPL FIT image in its
> entirety
> > > before processing it so this can be used for this as well.
> >
> > Do you have also use case where you need to load more files from FIT?
> > There is loadable entry in FIT config entry.
>
> Not yet but I may get there. I'm experimenting with using U-Boot to load
> and install a secure monitor mode application (specifically, OP-TEE OS),
> so that will need to come from somewhere eventually and FIT would be a
> natural place for that binary to reside since we can easily authenticate
> it.

ok what arch?
What's the flow which you want to support?
SPL to load OPTEE and ATF and full u-boot and jump to ATF which runs OPTEE
and run to U-Boot?

Thanks,
Michal