Solved
SPL+UBOOT to boot the kernel. uboot version is 2020.01
The kernel cannot be started in a loop, as long as I use TF-A+UBOOT to start the kernel

The kernel cannot be started in a loop, as long as I use TF-A+UBOOT to start the kernel

Hi @文�?� �?
From ecosystem V2.0, "basic boot" is no longer supported. Uboot SPL can no longer boot the kernel.
Cf https://wiki.st.com/stm32mpu/wiki/STM32MP15_ecosystem_release_note_-_v2.0.0
You have to switch to Trusted boot chain.
Olivier
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