Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Hi , i have the custom board of (STM32mp157F-dk2), all the things are same but the ST-Link channel removed and many thing changes has done , there is added JTAG pin in place of ST-link port , so in Openstlinux distribution package any modification s...
The first logo appears, but the display behind it does not work. Looking at the error message below, it seems like there is a problem with ext4. How can I solve it? Or did something go wrong? NOTICE: CPU: STM32MP157FAC Rev.ZNOTICE: Model: STMicroele...
Hi!I have a custom board with custom device tree. As far as I can say, it works (boot over emmc) but the kernel gives a trace at the start. [ 0.255543] debugfs: Directory 'cpu0' with parent 'opp' already present! [ 0.261757] Unable to get STM32...
Hi all,i'm trying to run the DDR_Init project as my first project on STM32MP135F-DK board.I loaded the project on CDT Eclipse IDE and added some configurations: the build is ok.I report the main.c compiler command line as example:Building file: C:/Pr...
Hi,i am facing the issue with the header file like I am using ADC pin where i facing the issue with kernel space programming just facing the issue with library like " consumer.h, machine.h , iio.h , and many thing ", but in Workspace i found the libr...
Hi,I have customized a board using STM32MP157DAC referencing the mp157d-disco board hardware design.I have problem when trying to flash the image in the Starter Package. The error message as below:20:55:08 : STM32CubeProgrammer API v2.17.0 | Windows-...
Hi!I having a question. I'm using STM32MP151 processor and my initrd won't work because it got stuck at the initialization of the inird inside init/main.c file inside Linux source. Follow the arrows <------ static int __ref kernel_init(void *unused)...
Hello,I want to operate the device in the following manner, but I don't fully understand the concept of the External Loader:Store DDR Init FW and Main FW in the External NOR Flash.These two FW will be downloaded to the Flash during board production.U...
Hi there, I'm trying to start my M4 fw from u-boot ( https://wiki.stmicroelectronics.cn/stm32mpu/index.php?title=How_to_start_the_coprocessor_from_the_bootloader&oldid=76509#Synchronizing_the_remote_firmware_with_Linux ). We finally managed to load t...
Hi,I'm looking at the wic file for STM32MP13 and see two metadata partitions for ATF firmware update. I'm wondering how are these partitions secured from access / modifications from non-trusted world? Since write (and optionally read) operation shoul...
