Resolved! STM32MP157FAA1 DDR HARDWARE
Welcome, why for STM32MP157FAA1 at "STM32MP1 Series DDR memory routing guidelines examples" there is no terminating resistors?
STM32 MPUs Products and hardware related
Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Forum Posts
Waking up Cortex M4 from Cortex A7-0 in STM32MP1 for Bare metal.
we are developing the application by using STM32MP1 processor in bare metal.we are able to wake up Cortex A7-1 from Cortex A7-0 both are working fine. Now we tried to wake up Cortex M4 from Cortex A7-0,But we are unable to wakeup Cortex M4 from Cor...
DRM/KMS framebuffer emulation - How to set format
Using the KMS/DRM driver, how can I change the emulated framebuffer format? I'm using simple-panel and the framebuffer has always only 16-bit color even though the driver explicit sets the format for 24-bit colors (.bus_format = MEDIA_BUS_FMT_RGB888_...
ALSA is interfering the DCMI camera
When using DCMI camera capture and at the same time play or record audio, there is bad interference in the camera picture. I'm using Linux and ALSA libraries in a platform based on STM32MP157C. Maybe some DMA problem ? The audio is using SAI as with ...
how to control pmic regulators form user space.
hi,i would like to be able to control the pmic from user space. everything that i have read in the stm documentation indicates that it is not possible to do this. the sysfs interface is read only. i would like to be able to access the consumer dri...
Resolved! Is VBAT needed for secure boot ?
Hello,In the wiki I have found these lines:5.3 Non-volatile counters↑Each certificate embeds a non-volatile counter value that is checked to control anti-rollback mechanism.There are two non-volatile counters: - Trusted non-volatile counter - Non tru...
Resolved! U-Boot Developer Build Not Finding libcrypto.so.1.1
Building per the Developer Package Device Tree Building WikiUsing STM32MP1-Ecosystem_v4.0.0Verified libssl-dev and libncurses have been installedopenssl version 3.0.0 is presentconfirmed libcrypto.so is present at usr/lib/x86_64_linux-gnu[fiptool] Cr...
Resolved! STM32 December contest: get a chance to win STM32 boards and more!
With the holiday season coming up, we are organizing a series of contests around STM32 solutions!We will publish 8 contests on our STM32 Facebook page in December–and you’re welcome to join in every time! We will select 45 winners throughout the mont...
How to add OSDP RS485 protocol in STM32MP157 yocto build?? Namely, LibOSDP ( https://libosdp.gotomain.io/libosdp/build-and-install.html )
I have to use OSDP protocol over stm32mp157 by using LibOSDP in my yocto build. How to build it, from where to start?(sorry but i am new to linux thus maybe a silly question, but any guidance would really be appriciable )
PMIC Voltage change issue in stm32mp1 Arm trusted firmware.
Hello,We are using stm32mp157A processer in my custom board.We need to change voltage values in Arm trusted firmware (TFA 2.5) dtsi file .For that we changed voltages as per our custom board but it is not effected.vdd: buck3 { regulator-name = "vd...
