iMX8MN: SPL not starting U-Boot

[Michael Nazzareno Trimarchi]

Hi

Il ven 27 dic 2024, 14:17 Ayrton Leyssens <aleyssens at idtech.be> ha scritto:

> Hi
>
> I am having troubles booting an iMX8M Nano board.
> I compiled U-Boot and flashed it to an SD-card using Buildroot.
>
> The board starts my SPL, does the DRAM init, goes back to BOOTROM and
> eventually goes to the SPL stage where it should jump to U-Boot
> (common/spl/spl.c - board_init_r  os == IH_OS_U_BOOT).
> It proceeds to 'spl_board_prepare_for_boot();' and finally to
> 'jump_to_image_no_args(&spl_image);'
> After which nothing happens.
>
> I added some print statements to see the contents at the address it wants
> to jump to (0x960000).
> The contents of my BL31.bin are showed on that address, is that correct?
>

Jump to ATF and then jump to U-Boot. Maybe the ATF put the console of
U-Boot in wrong domain. Is an upstream U-Boot?

Michael

>
> Any help would be appreciated.
>
> Ayrton Leyssens
> Embedded Software Engineer
>