[U-Boot] SPL and FIT images

[Lokesh Vutla]

Hi Michael,

On Thursday 19 May 2016 05:16 PM, michael at walle.cc wrote:
> Hi,
> 
> I'm looking into the FIT support in the SPL, because we are planning to
> load bootloader from a filesystem (on a MMC device); the SPL will be
> stored in a write-protected SPI flash. To make sure that a user does not
> accidentally put a wrong bootloader image on the filesystem, we would
> like to do some kind of compatiblity checking. I guess this can be done
> with the FIT image and its compatibility node. Looking into the code I
> found out, that FIT images only seems to be supported when the
> bootloader is loaded from raw MMC.

FIT support for other boot media was recently posted. Links below:

Fat FS:
http://patchwork.ozlabs.org/patch/618400/
http://patchwork.ozlabs.org/patch/618403/
http://patchwork.ozlabs.org/patch/618405/

SPI:
http://patchwork.ozlabs.org/patch/606959/

NAND:
http://patchwork.ozlabs.org/patch/609326/

UART:
http://patchwork.ozlabs.org/patch/623918/
http://patchwork.ozlabs.org/patch/623919/
http://patchwork.ozlabs.org/patch/623920/

Let me know if you need more info.

Thanks and regards,
Lokesh

> 
> Simon, since this code is from you, might I ask, why you didn't put it
> into the common spl.c (spl_parse_image_header(), etc) so it could be
> used for all other methods, too? I just want to make sure, there is no
> reason not to do it for our case.
> 
> -michael
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