How to change Frequency for DDR
hi i need to change the frequency and timing of DDR as well as where i need to modify that one and also after modification how to compile the code.
Forum Posts
Resolved! STM32MP157 custom board TF-A SDMMC init failed
Hello, we are trying to start our custom STM32MP157 board. We encountered some problems that I want to ask about. First is with TF-A, it gets to the SD card init (boot source) and it fails. We have eMMC on MMC2 and it also gives error message. NOTICE...
Running Yocto on Cortex-A7 and Embedded C Project on Cortex-M4 in STM32MP157F-DK2
I am working with the STM32MP157F-DK2 Discovery kit, and I would like to know if it's possible to:Run Yocto Linux (OpenSTLinux) on the Cortex-A7 cores for high-level application development.Simultaneously run a real-time Embedded C project (using STM...
OpenSTlinux - Qt
I am facing the Issue on Qt , i Downloaded the OpenSTlinux Distribution package , and i wanted to find the qt layer but i can't please help me out.
Resolved! Interrupt on PMIC - GPIOA 0 or EXTI 55 in the Device Tree?
Hi! What interruppt code line should I use when connecting to the PMIC?The choices are:gpioa 0exti 55Which one should it be? Here is a snippet from my Linux DT. pmic:stpmic@33{ compatible = "st,stpmic1"; reg = <0x33>; interrupts-extended = <&g...
How to Implement A/B partition with STM32MP2?
Hi erveryone,I want to implement A/B partitioning functionality, not for updates, but to enable switching to an alternative ROOTFS partition if U-Boot fails to start the kernel. For example, if partition A fails to boot three times, switch to partit...
meta qt
how to add meta qt layers into our OpenSTlinux distribution package. please do step by step
Resolved! TZC permission failure ... AXI ID 4a0
My MP157DAC board encountered some problems using SDKv5.0, u-boot could not be started correctly when using usb burning, it seems to be related to DDR, but I can not find the reason, the community does not have similar problems, hope to get some help...
Resolved! stm32mp15 JTAG on m4 core with yocto5: optee permission failure
Hi everyone,I'm working on a custom board based on STM32MP157F-DK2. I am running Yocto 5.0.3 (scarthgap) with trusted boot (not signed).I could build the Zephyr (3.7.0) rpmsg sample that worked out of the box:https://docs.zephyrproject.org/latest/sam...
USB 2nd Port detection in uboot
Hello We are Working on a custom board with STM32MP157AAA3 processor.We are using Buildroot(V2023.08.2) for checking USB 2nd Port in which the PHY port 2 is configured as host controller using UTMI . we referred the below link to configure the dts :...
