STM32 MPUs Products

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Resolved! Urgent: Cannot boot from NAND - OTP

Problem: After configuring the OTP pins in word 3 to the following:- Primary boot source : SD-card- Secondary boot source : FMC NANDAnd flashing the FMC nand with TF-A `tfa-*-nand.stm32` in the first sector using `nandwrite -p /dev/mtd0 /mnt/boot/tf-...

JOhn1 by Associate III
  • 1393 Views
  • 5 replies
  • 0 kudos

Resolved! FIP Secure Boot Can't Find Key

I've followed this walkthrough perfectly: https://wiki.st.com/stm32mpu/wiki/How_to_perform_Secure_Boot_from_Distribution_package#Distribution_package_with_signed_FIPand I get a "Not able to find "None" (socname stm32mp15) path from current BBPATH var...

bblouin by Associate III
  • 652 Views
  • 2 replies
  • 1 kudos
DPade.1 by Associate III
  • 761 Views
  • 3 replies
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Resolved! Inaccurate measurement of VREFINT

Hi everyone!I see unexpected values when measuring VREFINT. The ADC measures around 1.18V, on some boards even 1.16V, which is outside the tolerance according to the datasheet: Reading the calibration value VREFIN_CAL from OTP memory returns a value ...

0693W00000QLsweQAD.png 0693W00000QLsozQAD.png
jvog.sen by Associate II
  • 2181 Views
  • 7 replies
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How to protect Bootloader binary on STM32MP15xxx

Hi,We see signing + encryption bootloader on STM32MP13xx,But on STM32MP15xx, there is only signing. The raw binary still start from offset 256 of the signed file. This only make sure the board doesn't run a strange bootloader, but doesn't prevent som...

Dat Tran by Senior II
  • 366 Views
  • 1 replies
  • 0 kudos

gdbgui always open web browser and failed

When i tried the commend below (<Your_full_path_to> was already corrected to the path that content Setup.gdb), ```gdbgui -g "arm-ostl-linux-gnueabi-gdb -x <Your_full_path_to>/Setup.gdb"```I would like to use ST-Link for debug uboot, but the web brows...

Dat Tran by Senior II
  • 595 Views
  • 2 replies
  • 0 kudos

Resolved! How to hide OTP values on STM32MP15

From user manual, from OTP word 59th for user to store sensitive information, meaning there is a way to prevent read them by STM32cube tool for non-secure application.We see the way to lock them which mean can't not change values, any document that t...

Dat Tran by Senior II
  • 770 Views
  • 5 replies
  • 0 kudos