STM32 MPUs Embedded software and solutions

Resolved! Removing examples from userfs

Hi,I have seen this post: https://community.st.com/t5/stm32-mpus-embedded-software-and/how-to-clear-the-default-st-image-userfs-remove-examples-and/m-p/735819#M4265 and added to my st-image-userfs.bbappend:PACKAGE_INSTALL:remove = "m4projects-stm32mp...

Resolved! STM32MP257F-EV1 Tamper logging in Linux userspace

I'm trying to somehow pass information about tampering event from OP-TEE to Linux userspace by means of Tamper Backup registers but I seem to have a problem.I added this to kernel dts:&nvram { my_free_backup_register: tamp-bkp@c4 { reg = <0xC4 0x4...

Resolved! Unable to decrypt FIP on STM32MP13

I have followed the wiki to create my encryption keys;https://wiki.st.com/stm32mpu/wiki/How_to_perform_Secure_Boot_from_Distribution_Package#Creating_encryption_key_for_STM32MP13--STM32MP21--STM32MP23_and_STM32MP25 Which suggest creating two keys for...

Seeking Paid Software Support for ILI9881C 2-Lane MIPI DSI

If this posting violates STM's rules for the forum, please delete it.We are a Midwest US company designing an IoT product containing STM32MP157 and a 5 inch, 1-megapixel LCD touch LCD panel. The LCD panel's video controller is an Ilitek device known...

Anyone has tried to merge v5.15.189 stable linux kernel to st linux kernel?

Hi,We have a Linux kernel based on ST Linux kernel at https://github.com/STMicroelectronics/linux/commits/v5.15-stm32mp but based on an older version of it based on v5.15.118. Wondering if there is any plan for ST to merge the latest stable kernel ve...

Problems using fftw3 with STM32MP157f-dk2

Hello, I need to do FFT transforms of long signal traces, so using CMSIS DSP doesn't look possible because of the 4096 points limit. I tried to use fftw3 library (3.3.10). I built it using OpenSTLinux SDK from the Github source without problem. Here...

Resolved! Stm32mp157 lcd panel-ili9881c fifo underrun

Edited console output - see here for future referenceHello,I encounter a problem with my LCD from Winstar model WF50DTYA3MNG10.I have a custom board based on STM32MP157 with a display connected to Mipi 2 lanes.On previous Openstlinux(kirkstone) witho...

Resolved! How to boot Linux with initramfs loaded by dfu-util (without manual U-Boot commands)?

Hello ST Community,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, specifical...

OpenSTLinux 6.1 (Scarthgap) Optee delay during boot.

Hi,I am in the process of migrating my application to OpenSTLinux 6.1 (Scarthgap) and we are targeting a boot time of ≤10 seconds. while working on this, I observed that the OP-TEE layer takes some extra time during secondary CPU initialization. As ...