Hi,I'm looking at the wic file for STM32MP13 and see two metadata partitions for ATF firmware update. I'm wondering how are these partitions secured from access / modifications from non-trusted world? Since write (and optionally read) operation shoul...
I'm trying to debug a problem in my system where on rare occasions, a message gets dropped in the M4->A7 direction of RPMsg channels (M4 sends it without error and A7 never sees a message arrive). The project was started a long time ago using an olde...
Background:I'm trying to bring up a custom board with an STM32MP157D and DDR3. When I tried flashing the BSP, I got an error: "ERROR: DDR addr bus test: can't access memory @ 0xc0000004". I decided to try using STM32DDRFW-UTIL to test the DDR before ...
I'm getting the following log when trying to boot to a custom DTS. I've already attempted the suggestion mentioned in this st forum post (https://community.st.com/t5/stm32-mpus-products/op-tee-error-tzc-permission-failure-on-new-v5-0-0-sdk/td-p/58433...
i am facing the issue like i could not able to access the PWM pinsi want like this only (/sys/class/pwm/pwmchipX/).but i get output like this only. {root@stm32mp1:~# cd /sys/class/pwm/root@stm32mp1:/sys/class/pwm# lsroot@stm32mp1:/sys/class/pwm# ls}...
As the title says, when I add the (with or without "regulator-always-on") vdd: vdd { compatible = "regulator-fixed"; regulator-name = "vdd"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; or vdd_ddr: vdd_ddr { ...
Hello,I am currently using the STM32MP157D to develop some tests. It seems that a specific U-BOOT has been developed by ST and flashed in the default factory eMMC.On this specific U-BOOT, some self-test commands are interesting.Could it be possible t...
Hi, I have a board that I designed that's not booting and I am struggling to workout why.I don't see any output on UART4 when booting and I also noticed that openocd reports the program counter as the following which I believe means that its still in...
MP135 是否具有带双网络端口的裸机程序？客户使用 ThreadX+NetDuoX。
I am using the STM32MP131 in a baremetal environment. Since there is no internal flash, I am planning to use external flash and DDR.I have confirmed that writing to and reading from the flash works, but I don't know how to start from FLASH instead of...
