STM32 MPUs products

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STM32MP1 - Bare metal on A7

Hi,I have a current project using the M7 that I need to port over to the A7. The goal is to be running bare-metal code on the A7, like we are on the M7. Currently, I am following this open source guide to run bare-metal on the A7 and it seems to work...

mkurtz by Associate II
  • 6 replies
  • 0 kudos

Building Distribution Package fails

Hi, I have tried to build the Distribution Package following this guide: goal is to run a build that is as small as possible. Therefore I cho...

JMour.1 by Associate II
  • 1 replies
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Resolved! DDR3 Ram Problems

Hi, we are currently bring up our custom STM32MP157 Board. We get in any constellation a "DDR addr bus test: can't access memory @ 0xc000004"We think that our crystal is correctly running at 24 Mhz because we connecting over USB to the Board. Also th...

Resolved! I have an ST TPM and the ECC NIST P256 EK certificate is in NV memory handle 0x01c0000a. I can read the nv memory and extract the certificate - it is 1600 bytes, in DER format.

Openssl fails to convert the certificate from der to pem. Is this expected? I wrote a c program in OpenSSL to extract the public key, which seems to work, but I need to verify its correctness. Is there another tool like openssl that I can verify the ...

JErem.1 by Associate
  • 1 replies
  • 0 kudos

The PWM wave is interrupted in mass production mode

Hi:Dear friends, there is a very strange problem here. I use timer 1(STM32MP157AAC) to output PWM wave. In engineering mode, the output of PWM wave is normal, but when it comes to mass production mode, the waveform is interrupted. Here are my configu...

Wjian.1 by Associate II
  • 8 replies
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Resolved! Multiple Endpoints on A7 and M4

Hello,iam trying to implement more or less the same example as with the virtualUARTs with multiple Endpoints just with the rpmsg_char driver and plain endpoints without virtualUART on M4 side. Iam struggling to get multiple Endpoints to work. One is ...

YRink.1 by Associate II
  • 4 replies
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Resolved! u-boot on custom board will not use boot_device=mmc

We have a custom board based on the stm32mp151 that shall boot from emmc. I can flash alright, but when I switch the boot pins, the boot device remains on usb. I can see from arch/arm/mach-stm32mp/cpu.c, that boot_device is set to usb, here is the de...

MScho.6 by Associate II
  • 5 replies
  • 2 kudos

Resolved! DDR tuning fails Bit Deskew and Eye Training

I'm DDR tuning a custom STM32MP157F board with 4GB DDR3. All DDR tests are passing however I get the following tuning failure for Bit Deskew: Failed [Cannot Deskew lines, there is no PASS region] and Eye Training: [Cannot DQS timings, there is no PA...

TStru.1 by Associate II
  • 1 replies
  • 0 kudos