Speed difference between 8 or 16 bit nand flash
Does anyone have some real data on speed difference between 8 or 16 bit Nand flash (with the bootloader and the kernel) on the STM32MP157 ?at bootduring normal operation
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
IP v4 and the official OpenSTLinux images..
Hi all,The default network setup on the "st-image-core" image is to use IP V6 alone it seems which does not work for me.How to set this for v4 default for all interfaces ?
Audio setup(Kernel options, Driver setup) on DK2 using Buildroot ?
Hello,I am looking for the appropriate kernel configuration options for the audio controller in the STM32MP157, and the specific driver setup details for the audio codec on the DK2 board. I am Using Buildroot to build the system image.
Does each display controllers must use specific reg number in endpoint?
Hi, I use display function on my custom boards. The board A use HDMI, RGB LCD and MIPI. The board B use RGB LCD and MIPI.Now the board B has some issue on MIPI display function.The board A configltdc endpoint reg = <0> for HDMI, workltdc endpoint reg...
The usart1 has issue with PZ6 and PZ7
Hi all, I use PZ7 and PZ6 configure for usart1. But it show some error log.[ 1.633566] stm32mp157-pinctrl soc:pin-controller@50002000: invalid function. [ 1.640375] stm32-usart: probe of 5c000000.serial failed with error -22It's right when II t...
How to solve target detection problem?
I have a STM32MP157A-DK1 board. I can't connect to it via ST-Link Utility. It says the target is not detected. Although if I select "Firmware Update" from ST-LINK menu, it updates the firmware of the board (the red-green led blinks etc). But can't co...
Build the ubi system
I need to build a system for nandflash, unfortunately something went wrong, and I don't know how to fix it
Resolved! TF-A not able to load OPTEE OS images when OPTEE OS images are signed.
Hello,I am currently facing an issue with TFA (2.0-stm32mp-r3 from last STM32MP15 OpenSTLinux release 20-02-19) on my STM32MP157C-DK2 board, TF-A built with wiki defined flags: ARM_ARCH_MAJOR=7 ARCH=aarch32 PLAT=stm32mp1 DTB_FILE_NAME=stm32mp...
Resolved! Debugging Cortex M4 in engineering mode, is it necessary to edit and build device trees for custom modifications?
Hello,I'm trying to connect stm32mp157c-dk2 board with another device over FDCAN in engineering mode (MCU single core) using CN2 pin 3 and 5 (stm32 PA12 and PA11 pins respectively). Though I can initialize and request to use FDCAN1 from resource mana...
Resolved! Cannot boot stm32mp157c-ev1 with original device tree generated by STM32CubeMX.
I’m trying to boot stm32mp157c-ev1 evaluation board with original device tree.However, cannot boot the board when following steps--Environment--Host PC: Intel Core i7 3.6GHz / Ubuntu Ver16.04.6 LTSSTM32CubeMX: Version 5.6.0OpenSTLinux: openstlinux-...
