Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
We have a custom STM32MP157 board running Linux that is not booting over eMMC. The STM32MP157 image boots from SD card on SDMMC1 but not from a Toshiba THGBMNG5D1LBAIL eMMC chip connected to SDMMC2. We have confirmed the Boot pins are correct, and th...
Hi i am struggling in how to boot from the EMMC not from the SD card , i used the custom board where my emmc is connected to SDMMC2 port , i did changes into the device tree i enable the sdmmc2, but i do not know how to boot from the emmc ?,actually ...
I get the following error message when trying to use pinctrl with a regular GPIO....[ 4.580426] stm32mp157-pinctrl soc:pinctrl@50002000: pin PA13 already requested by gpioleds; cannot claim for GPIOA:13[ 4.590464] stm32mp157-pinctrl soc:pinctrl@50002...
I am trying to operate two devices using QuadSPI in the STM32MP131 bare-metal environment. Currently, an external Flash is being used in QuadSPI Bank1 in dual mode, and I am attempting to use another external device in Bank2 in quad mode.The issue I ...
tl,dr: No boot log or root term via ST-LINK connector on STM32MP157F-EV1. Haven't tried UART 4 yet.This is related to:https://community.st.com/t5/stm32-mpus-products/i-get-output-via-uart4-but-not-via-st-link-and-i-cannot-input/m-p/135067 Reference: ...
Hello,I am using the STM32MP257x-EV1 board with version 2022.10 of u-boot-stm32mp (with patch 0001-v2022.10-stm32mp25-beta.patch from commit dc5d7824 made on April 12, 2024).When compiling u-boot + stm32mp257f-ev1.dts, only the eth2 interface is func...
I'm still trying to get a fully error free bootup on the stm32mp151 based board. I'm using ST git's for the bootstages and kernel/rootfs are build using the ST yocto layers.But because i'm unsure which are actually errors and which are just warnings ...
We have a custom board based on STM32MP157C-DK2. U_boot shows a splash image(logo). Then U-boot starts the kernel from a fip image. I the same fip image there is a ramfs partition in cpio.gz format which is used as rootfs by the kernel. When kernel s...
Hello,i'm currently trying to boot a custom board which has the bare minimum of STPMIC1, SDRAM and USB closely resembling the STM32MP15-DISCO evaluation board except on power delivery (VBUS from USB-C is switched via STUSB4500 but _not_ connected to ...
Hello everyone,I have a custom board based on STM32MP157A (rev. Z) and I am trying to boot from emmc; I am able to boot sucessfully from SD card; I flashed the same image to the emmc with the ST MX Cube Programmer and, if get into u-boot from SD card...
