I am working with an STM32MP2-based board and would like to load an initramfs image into DDR RAM using dfu-util and then boot it without having to manually enter U-Boot commands.
I have tried to follow the documentation, specifically:
Here are my observations:
- When using a flashlayout, after transferring the images, U-Boot does not boot the kernel automatically — it stops at the U-Boot prompt and waits for manual commands.
- When using a U-Boot script (as described in the documentation), I am able to transfer artifacts for ramfs in DFU mode, but when I attempt to load the kernel (alt=0), the process hangs: and after about 30 seconds to 1 minute the board resets itself (as if by a hard reset).
- I have tried both compressed (Image.gz) and uncompressed (Image) kernel images, with the same result.
My questions:
- Is it possible to load and boot a Linux kernel with initramfs in RAM using dfu-util, so that the system boots automatically without manual U-Boot interaction?
- If so, could you please clarify the correct procedure, or point out what I might be doing wrong?
Any advice, example scripts, or working flashlayouts would be greatly appreciated!
Thank you in advance for your help.
