Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
We have a custom board based on the STM32MP157 series, and are trying to get the TF-A boot chain working. We have downloaded and compiled the linux kernel, u-boot, and arm-trusted-firmware for the STLinux ecosystem v2. We can boot to u-boot, and th...
Hi AllIf you create a distribution with RTL8723BU enabled in the Linux kernel and boot, you will see the error message below.[ 30.102790] usb 2-1.2: 1f8: ff ff ff ff ff ff ff ff[ 30.106213] usb 2-1.2: RTL8723BU rev E (SMIC) 1T1R, TX queues 3, WiF...
Hello,I try to build the kernel for the first time on my Ubuntu 18.04 new install.Following the step by step Wiki build kernel.make ARCH=arm uImage vmlinux dtbs LOADADDR=0xC2000040The compilation runs fine for many files until this step.Thank you by ...
Hi, I'm trying to generate secure boot keys using native linux tools. I assumed the secureboot format would be documented, but all I found was links to STM32MP_KeyGen.I can use openssl to generate ECDSA keys, and also get publik keys out. I am at teh...
Hello,I am completely newby on embedded linux stuffs.Can any one tell me how to drive any available LED on the STM32MP157C-Dk2 board by using the linux shell commands.Unfortunatelly i did not find the information on the wiki stm32mcu.Thank you by adv...
Hi all.I want to prevent the contents of "RETRAM" from being erased when I run the firmware with m4 rproc on "OpenSTLinux"."RETRAM" is powered by the battery through the VBAT pin to maintain data.To this end, TF-A was also modified to set and maintai...
I have a pair of DK1 boards I just received that I wanted to get working with wifi direct, but neither even can show a wlan0 interface. In the past I have used a DK2 with buildroot and got the wlan0, and a coworker used stock yocto build on the DK2 a...
Hi：Anyone familiar with this issue?When I plug in the network cable, the following information will be printed later:[ 373.607360] ------------[ cut here ]------------[ 373.610551] WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:447 dev_watchdog+...
The kernel cannot be started in a loop, as long as I use TF-A+UBOOT to start the kernel
Hi is there a list, or sorts, with the examples that should work for the DK1 dev board from the DK2 examples?
