Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
https://github.com/STMicroelectronics/meta-st-stm32mp/blob/kirkstone/classes/fip-utils-stm32mp.bbclassFIP_SIGN_KEY is used to specify the rot key.But if that key is not found (wrong path for example),the bbclass and cert_create silently creates a new...
Hello My borad can bring up from SD card. But can not boot from eMMC. When boot from eMMC. I can't get any message from the console. How can I find the trouble?Thanks
Hi,We are using stm32mp157a processor. We have some confusion for peripheral allocation for 3 cores. We referred document new microprocessor series with enhance performance thanks to its multicore architecture and graphical processor. from wiki.Below...
I want to pass the some parameters to kernel command line. drm.edid_firmware=edid/1280x800.binI tried to use "bootargs" environment of uboot. env set bootargs "drm.edid_firmware=edid/1280x800.bin"But, Not working as I expect. I couldn't find my param...
I have STM32MP157C-DK2 evaluation board. When I connect HDMI to TV, Backlight of LCD off. I already know that this is because STM32MP1 has only one display controller. but my custom board is designed to support dual screen (duplicate mode).So even if...
Hello everyone ~Below link is my last question about display quality of dual screen. Fortunately I solved it but I faced other problem. https://community.st.com/s/question/0D53W00001mHWaWSAW/stm32mp1-can-i-duplicate-ltdcrgb-signal-for-dual-displayAs ...
I am working with Murata community but thought I would also see if anyone has experience on our specific type of board. Our design is based on STM32MP175C. They mention needing custom FW and their Yocto layer, etc. Seems emphasized on working with N...
Hi all ~I have a question regarding dual display.I want to display same content at the same time to both display devices (LTDC and HDMI).But, As my understanding, STM32MP1 has only one display controller. https://community.st.com/s/question/0D53W0000...
When porting the boot on my board,Please analyze the following situations:
