STM32 MPUs Embedded software

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STM32MP15 gpio power-off only for shutdown?

Hi there, I'm developing a Linux Embedded system on an STM32MP153-based custom board. I have a problem regarding shutdown vs low power modes. I have a gpio (active low) that acts as a "final switch off" for the whole system (a.k.a. when that gpio goe...

SScar.2 by Senior
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Start Linux Kernel from TF-A

Hello, I want to boot Linux straight from the FSBL, avoiding SP-Min and U-Boot. Is there any configuration or information on how to do this? Thank you.   I got a STM32MP157F-EV1 board, I wouldn't mind using TF-A or U_Boot SPL,   I am also looking at ...

AGamb.4 by Associate III
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OpenSTLinux without OP-TEE on stm32mp157c-dk2

Hello everyone,I have the stm32mp157c-dk2 for performance evaluations. Our goal is to check if the CPU/GPU performance is good enough for our next productm which will be used as a GUI frontend.I built the openstlinux (mickledore) as-is from github su...

arslan by Associate II
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Resolved! FreeBSD Port for mp157C

Hello! Is it feasible to start FBSD kernel?So far I stuck with following error (seems to be from tf-a):  Loading kernel... /boot/kernel/kernel text=0x1b4 text=0x5ad698 text=0x17e3d0 data=0xa4860 data=0x0+0x20c000 0x4+0x88d70+0x4+0xea43b| Loading conf...

STM32MP1 TPM event logs for TF-A/OPTEE

HelloI hope you are doing wellI read the TF-A documentation and I found out that there is a POC for TPM service that measures event logs during startup. Source: https://trustedfirmware-a.readthedocs.io/en/latest/design_documents/measured_boot_poc.htm...

syedelec by Associate III
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Kernel-5.15 bootloader dependency

Hi All!! I am currently using openstlinux-5.10-dunfell-mp1-21-11-17 for EV1. My idea is upgrade kernel version to 5.15 and keep u-boot-2020.10 and tf-a-2.4. My problem is that only upgrading the kernel and dtb, the kernel crashes and doesn't show any...

AVazquez by Associate III
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Increased boot time when using FIP

Hello,   We are upgrading from BSP 2.1.0 to 3.0.0. With BSP 2.1.0 we had implemented a Secure Boot mechanism as described here, i.e. both TF-A and u-boot were signed with the STM32 Signing Tool and had a stm32 header added.   Now with BSP 3.0.0 we se...