About Pierre-Loup

Pierre-Loup · 2024-10-11

Hi,I work on a custom board using a DHCOR SoM with a STM32MP157C SoC. I setup the TF-A + OP-TEE boot chain for the secure boot and I managed to boot on the linux stm32 (v6.1). The board hangs at reboot :[ 1480.467975] reboot: Restarting systemI/TC: F...

Pierre-Loup · 2024-10-31

Hi @PatrickF,My boot flash is the eMMC. The BootROM load the TF-A from the hardware boot partition of the eMMC (selected by the eMMC EXT_CSD register). @PatrickF wrote:If reboot working by removing the mask reset on VDD [...]My explanation was perhap...

Pierre-Loup · 2024-10-30

My RCC configuration seems to be correct. In fact, it is possible to reboot from the non-secure world with u-boot.I can reproduce the hang by removing the 'st,mask-reset' property of the buck3 PMIC vdd regulator in the OP-TEE device tree. So I my gue...

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STM32MP15, cannot reboot in secure mode (TZEN = 1)

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Re: STM32MP15, cannot reboot in secure mode (TZEN = 1)