iMX8MN: SPL not starting U-Boot

[Peng Fan]

On Fri, Dec 27, 2024 at 10:53:55AM +0000, Ayrton Leyssens wrote:
>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?

SPL->ATF->U-Boot.
If nothing prints when executing ATF, please check your ATF

Regards,
Peng

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