Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Hi!I have a custom board with 2GB RAM instead of 4GB RAM. Yes, I have configured 2GB in CubeMX and generated the new DT.Check it out here: https://github.com/DanielMartensson/Watermelon-Wine-1A/tree/linux-testing/watermelon-wine-os%2Flayers%2Fmeta-wa...
Hi, I'm new to yocto project, I'm trying to bitbake core-image-minimal image in yocto in stm32mp157d-dk1(scarthgap) ,by editing the bblayers.conf and local.conf in image, its successfully build and flashed into SD card , but I'm trying to boot devic...
Hi,this one is similar to https://community.st.com/t5/stm32-mcus-products/ioselect-option-in-stm32h563-is-not-working/m-p/681099but not the same. While testing OSPI1 on our MP257 board and our FSBL I found thatMSEL in OCTOSPI1->CR is ignored.CSSEL an...
Is there a Global Exclusive Monitor connected to the M33 and the A35 cores?Any documentation for it?Thank you
There is official errata named "2.5.6 Indirect write mode limited to 256 Mbytes" where indirect OSPI write requests for addr >256MB are written to invalid target address. I tested the behavior and it seems address is effectively truncated to 28bits. ...
Product:MCU/SoC: STM32MP2Description:In our ST Linux environment, the hantro-vpu driver registers:/dev/video5 -> VDEC (H.264/VP8 Decoder)/dev/video6 -> VENC (H.264/VP8 Encoder) We want to implement direct V4L2 API usage for H.264/VP8 encoding and dec...
Hi,I have a OTP provisioning script that wrote OTP 1 with value 0x000000ff, executing a partial close of security state B. The board now passes ROM/FSBL/OP-TEE/U-Boot but resets when the Linux kernel probes the first RIF-protected peripheral (HPDMA3...
The STM32MP135 is powered by PMIC1A. After initial power-up, the voltage at BUCK4 is normal at 3.3V, but during U-Boot flashing, the output voltage at VOUT4 drops to only 2.4V, causing the flashing to fail. The VDD and VDDQ pins of the eMMC are power...
Hi, I tried exporting the IBIS model from ST website. On importing model to SI tool I can see that there is no model assigned to DSI lines. It is showing NC. Can you share the IBIS model with MIPI drivers in it. or share some IBIS model which I can u...
