Forum Posts
How to debug STM32MP1(Cortex-M4) firmware on user board?
I have the STM32MP157C-DK2, and I plan to make a user board.Before creating a user board, I have a question.1. I want to know how to debug Cortex-M4 firmware on the user board. GDB debug is used in No. 7 in the link below.https://wiki.st.com/stm32mpu...
Resolved! Is byte lane swapping in 16x bit DDR3 RAM possible?
Hello,I read the AN5122 which explains in chapter 4.2, that the RAM lane byte 0 must be connected to byte 0 of the MP1 and that the bits swapping is not possible. However on the EV1 board, the bits inside byte 0 lane are swapped. Furthermore, i do no...
Resolved! STM32MP157 - memory for the M4 core
Dear experts. we plan to use a STM32MP157, where the A7 core should have 512MB DDR RAM, and theM4 core 16 MB. What options exists, to give the M4 core that 16 MB of RAM?From the DS, i understand that the DDR RAM of the A7 is not accessible for the M...
Resolved! OPTEE backwards compatibility
Hi,We are using the meta-st-stm32mp layer in out Yocto build system. We have had the system run on the Dunfell distribution up until now with OPTEE as the secure OS.For Dunfell the version of OPTEE is 3.12 along with patches from ST, a we tried to up...
Can not Flash STM32MP157FAD.The MPU restarts again and again.
Can not Flash STM32MP157FAD. with CubeProgrammer, and StarterPackage Image. First 2 files download ok, then get "Reconnecting the device...", and it never reconnects. And the MPU reset, with CubeProgrammer can download first 1 file. Windows11 drops t...
Resolved! STM32MP157C-DK2 fails to load system to SD
Good. I am trying to load the system to my stm32mp157c-dk2 using STM32CubeProgrammer software, but I get the same error when loading partition 13 every time. The error is as follows: Error: failed to download Segment[0] Error: failed to download the ...
Start development using OSD32MP1-BRK board.
Hello @everyoneI have a OSD32MP1-BRK mpu board. I want to test maximum gpio toggle speed. Currently i used libgpio and using this code i achieved 4.1 us (microsecond) between rising and falling edge of pulses.This is too slow as per our requirement. ...
Resolved! STM32MP153 NOR Flash boot issue with 32Mb
Hi all,Our product uses an STM32MP153 processor, booting its first and second stage bootloaders (TF-A and uboot respectively) from QUADSPI NOR FLASH. It boots Linux from eMMC. The NOR FLASH we have been using are either IS25LP016D-JNLE or AT25SF161B-...
STM32MP157C-DK2 LCD SPI works with V4.1.0 DevPackage but not with V5.0.0
Hello, I've just migrated from V4.1.0 dev package to V5.0.0 and the LCD SPI ilitek 9486 does not work anymore.Configuration: STM32MP157A-DK1 with 3.5 LCD SPI touchscreen. Starter Package loaded with stm32mp157c-dk2 config. Linux kernel recompiled wit...