Ask questions and find answers on STM32 microprocessors and dedicated embedded software solutions, such as Yocto SDK, Qt, and OP-TEE.
I am building uboot spl for DDR testing of a custom board based on the STM32MP157FAD1 MPU. The design uses I2C6 to communicate with the PMIC. The following error occurs: "stm32mp1_clk_get_id: clk id 142 not found". Any suggestions on why the I2C6 clo...
Hello,I have a custom board with an eMMC on it and with no SD card available. In the U-Boot device tree I have the following line (On sdmmc2 is my eMMC):aliases{ mmc0 = &sdmmc2; };The U-Boot seems to partly have a problem with it. Commands like "mm...
Hi,I am trying to use a STM32MP157C in combination with a lan9303 chip in mdio mode.when booting I get an error that says:LAN9303_MDIO: probe of stmmac-0:01 failed with error -22This prevents the driver from being loaded succesfully.I added the lan93...
Hi：I encountered a strange problem when I compiled TF source code separately to generate xxserialboot.stm32 File, but found that there are always errors? eg:make -f $PWD/../Makefile.sdk TFA_DEVICETREE=stm32mp157c-dk2 TF_A_CONFIG=serialboot ELF_DEBU...
Hi,i have a question regarding to the IPCC Communication and the OPENAMP_check_for_message(); function. For example iam sending data from A7 to the M4. So the A7 will cause an RXO Interrupt at the M4. Now my Question ist when this Interrupts is clear...
Hi there,After following this tutorial (and updating the compatible string): https://wiki.st.com/stm32mpu/wiki/OTG_device_tree_configurationI've managed to create a patch that adds these nodes to my device tree:... +&usbphyc { + status = "okay"; +}; ...
Hello I have a question concerning how to build a customized image.I followed this link first to get a general IdeaAfter that, I found that if I need to customize my Kernel and choose my packages (Customer apps) I can follow these links: Customer App...
My goal is to add i2c5 in the dts for userspace access however it is not visible at /sys/bus/i2c/devices. My steps are as follows:1) bitbake virtual/kernel -c devshell2) in new shell, modify the arch/arm/boot/dts/stm32mp157a-dk1.dts3) in new shell, m...
Hello,I create a custum linux distributuion for specific application. My goal is to use QT framework with OpenGl library trough GPU. To do that I used Buildroot 2019.023.1 and custum linux (V4.19) provided by your github. What parameters should I ac...
Hello,will there be updates to the gcnano-binaries?The latest version (6.4.3) seems to be broken.When trying to start the cog browser (wpewebkit based) it crashes on eglCreateWaylandBufferFromImageWL.After reverting to gcnano 6.4.1 it is working agai...
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