[U-Boot] HAB synchronous error loop i.MX8M

Bartlomiej bartek at conclusive.pl
Thu Oct 3 13:39:34 UTC 2019

Hello Patrick,

On a first glance it looks very similar to the Variscite's 
implementation for i.MX8M HAB, which actually seems to work for 
authenticating the bootloader image, but on the other hand fails on the 
kernel image on `hab_rvt_check_target` with the check target SMC 
returning -1 ("unknown function" according to SMC Calling Convention). 
I'll apply the diff, check out how it works and get back to you. Thank 
you very much!

Best regards,
Bartlomiej Nowak

On 03.10.2019 15:27, Patrick Wildt wrote:
> On Thu, Oct 03, 2019 at 10:13:19AM -0300, Fabio Estevam wrote:
>> Hi Patrick,
>> On Thu, Oct 3, 2019 at 10:01 AM Patrick Wildt <patrick at blueri.se> wrote:
>>> Boundary Devices U-Boot is about a year old, and I haven't checked how
>>> they implemented it.  I have a diff for i.MX8M HAB support which works
>>> for me.
>> Please submit the i.MX8M HAB support as a formal patch.
>> Thanks
> It was only meant for him to test, but sure, I will do that.  First I
> need to take care of all the other diffs I have in progress first.  It's
> nearly a full-time job replying and fixing all the tiny nits mail by
> mail. :)
> Patrick

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