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
Forum Posts
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...
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-...
Resolved! Modifying an external in-tree Linux kernel module unsuccessfully
Following the instruction from https://wiki.st.com/stm32mpu/wiki/How_to_cross-compile_with_the_Developer_Package#Modifying_the_Linux_kernel_device_tree.........root@stm32mp1:~# modprobe vivid[ 903.683914] cec: version magic '4.19.94 SMP preempt mod_u...
STM32MP157A-DK1 static IP configuration
We have several STM32MP157A-DK1 used for an european project and we have several problem about the Ethernet network configuration. We have to change the IP address and we followed the ST wiki about network configuration using the “ip addr add……�?, bu...
Resolved! Firmware does not run properly after stop and start
Hi, I'm currently working with the STM32MP157-DK2. I built a firmware to run on the Cortex M4. To load/start/stop the firmware by the A7 I use :echo -n "firmware_name" > /sys/class/remoteproc/remoteproc0/firmwareecho -n start > /sys/class/remoteproc/...
Resolved! How to enable hardware flow control (rs485)?
I am using the STM32MP157C-DK2 board. I fixed the stm32mp157a-dk1 file as shown belowGenerated the device tree blobs (* .dtb) and updated the device tree blob on the board.I sent an echo "hello!" > /dev/ttySTM1and I see that the RTS pin is held for t...
