Re: [u-boot PATCH 3/3] k3-am642-evm-u-boot: Use binman to generate u-boot.img and tispl.bin

Alper Nebi Yasak
2022-06-02T17:34:16Z

On 31/05/2022 17:15, Andrew Davis wrote:
> On 5/31/22 12:06 AM, Roger Quadros wrote:
>> On 27/05/2022 20:50, Alper Nebi Yasak wrote:
>>> This would definitely work, see etype/mkimage.py for example. I'd prefer
>>> to know the file-format details (and maybe replicate them in binman) if
>>> you could afford to publish them, though...
>>
>> This is a question to Nishanth/Andrew.
>
> What file format are we talking about here? If it is the signed format,
> it's an attached x509 certificate, that is already published [0] and
> the tools to make it are public [1].

Thanks, I meant this. I saw 'secure-binary-image.sh' in the first patch,
which lead me to 'doc/README.ti-secure', which mentions NDA and logins,
so I stopped looking there.

> There is also an effort to replicate some of this in binman too [2].
>
> Thanks,
> Andrew
>
> [0] https://software-dl.ti.com/tisci/esd/latest/2_tisci_msgs/security/sec_cert_format.html
> [1] https://git.ti.com/cgit/security-development-tools/core-secdev-k3
> [2] https://lore.kernel.org/all/20220510200511.GK3901321@bill-the-cat/T/