Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
hi,i would like to be able to control the pmic from user space. everything that i have read in the stm documentation indicates that it is not possible to do this. the sysfs interface is read only. i would like to be able to access the consumer dri...
Hello,In the wiki I have found these lines:5.3 Non-volatile counters↑Each certificate embeds a non-volatile counter value that is checked to control anti-rollback mechanism.There are two non-volatile counters: - Trusted non-volatile counter - Non tru...
Building per the Developer Package Device Tree Building WikiUsing STM32MP1-Ecosystem_v4.0.0Verified libssl-dev and libncurses have been installedopenssl version 3.0.0 is presentconfirmed libcrypto.so is present at usr/lib/x86_64_linux-gnu[fiptool] Cr...
With the holiday season coming up, we are organizing a series of contests around STM32 solutions!We will publish 8 contests on our STM32 Facebook page in December–and you’re welcome to join in every time! We will select 45 winners throughout the mont...
I have to use OSDP protocol over stm32mp157 by using LibOSDP in my yocto build. How to build it, from where to start?(sorry but i am new to linux thus maybe a silly question, but any guidance would really be appriciable )
Hello,We are using stm32mp157A processer in my custom board.We need to change voltage values in Arm trusted firmware (TFA 2.5) dtsi file .For that we changed voltages as per our custom board but it is not effected.vdd: buck3 { regulator-name = "vd...
Hey I found a strange documentation on your wiki pagehttps://wiki.st.com/stm32mpu/wiki/STM32MP15_OTP_mapping 3: 14-7 (8 bits)UART instances disablingIf it is different from zero, then each bit disables an UART instance.Collapse0b00000001: reserved0b0...
I guess there is a typo on the following page (and i couldn't find the proper place to report that)wiki.st.com/stm32mpu/wiki/SPI_device_tree_configuration"Both /delete-property/dma-names and /delete-property/dma have to be inserted to get rid of DMAs...
What does the OTP 9 Bit 0 do?There is nothing in the ref manual.
What does the OTP 3 Bit 15 do?Can I disable the boot cache for more security? Or does it have more impact on the system?
