STM32 MPUs Embedded software

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OPTEE header parse error on STM32MP135F-DK

Hello,   I'm changing the DDR3 size from 512MB to 1GB on the STM32MP135F-DK board. The modifications were done as below. After that, I met the OPTEE header parse error. Compilation and updating software on board was conducted according to the ST wiki...

JKim.2 by Associate II
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EDMK information

HelloI would like to understand the EDMK (Encryption Decryption Master Key). This key is used to decrypt and encrypt BL2 and FIP binaries.Are there any other application of this key? For example, can it be used for LUKS ?Is it possible to access some...

syedelec by Associate II
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STM32MP135 ST PMIC Driver panic

We designed a STM32MP135 based SOM, without using the ST I2C PMIC,  I was able to disable the PMIC driver in TF-A by removing the i2c 4 node in TF-A's dts file, while I could not get the same result for optee-os,  even I removed the i2c-4 node in opt...

efancier by Associate II
  • 16 replies
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STM32MP1 TPM event logs for TF-A/OPTEE

HelloI hope you are doing wellI read the TF-A documentation and I found out that there is a POC for TPM service that measures event logs during startup. Source:

syedelec by Associate II
  • 1 replies
  • 0 kudos