Re: firmwareload fails for cortex-m7 on imx8mp

[Stefano Manni <stefano.manni@gmail.com>]

Il giorno mar 19 nov 2024 alle ore 10:03 Ahmad Fatoum
<a.fatoum@pengutronix.de> ha scritto:
>
> I am surprised it works for you in Linux. To get it working with barebox:
>
>  1) run iomem and note where your malloc area begins. Set CONFIG_MALLOC_SIZE,
>     so it starts after 0x90000000
>
>  2) Add the following to your DT:
>
> &{/reserved-memory} {
>         rproc_reserved: rproc@80000000 {
>                 reg = <0 0x80000000 0 0x10000000>;
>         };
> };
>
> &remoteproc_cm7 {
>         memory-region = <&rproc_reserved>;
> };
>
> Do you not have an equivalent memory-region definition in your kernel DT?

Yes, I have. Adding rproc_reserved to barebox as in kernel DT it fixes
the issue.

>
>  3) I found some issues that I just Cc'd you on the fixes for. They may not be
>     necessary for the simple hello-ddr.elf example though.

Do you need that I test them?

Thank you.
Best,
Stefano