How can I customize eMMC partition layout ?
ST provides eMMC partitions (besides fsbl and u-boot) : boot, root, vendor, user.I need new partition /home and want removing vendor partition.How can I get this customization ?
STM32 MPUs Embedded software and solutions
Ask questions and find answers on STM32 microprocessors and dedicated embedded software solutions, such as Yocto SDK, Qt, and OP-TEE.
Forum Posts
Can't get UART7's DE to work for RS485 application - SOLVED more or less
I have a DK1 and have wired to UART7, and got UART7 working by grafting this section (by using the CubeMX tool latest version as of a few days ago) into the existing st32mp157d-dk1.dts and rebuilding. (The real product is intended to use UART7.)===al...
Resolved! Can not run FreeRTOS generated with CubeMx on STM32MP157C-DK2
Hi,I am working with the STM32MP157c-DK2. All examples are working fine, but now I would like to use custom code. I generated some code using CubeMX for the development board. I used the default settings and enabled FreeRTOS additionally. I compiled ...
Populate coprocessor using Yocto and a keil project
Im trying to integrate the firmware we have developed into our distribution on yocto. The documentation in the wiki [1] isn't really clear in how we add our own firmware to populate the MP1 coprocessor on boot. And the eample projects that the m4proj...
Resolved! Newly added i2s device returns error at kernel startup: "[ 2.359377] st,stm32-i2s 44004000.audio-controller: no irq for node 44004000.audio-controller" [Answered]
Hello,so I am using the Yocto environment and patched the device tree:diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi index dd796ec03..54ef05294 100644 --- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi...
Enable charging from VBAT pin in Linux
Hello,I would like to enable battery/capacitor charging from the VBAT pin on an STM32MP1 and also change the charging resistor.That would be VBE and VBRS of PWR_CR3.What would be the proper way to enable/disable the charging together with the resisto...
Custom distribution based on OpenSTLinux
I am currently building a dedicated image for our custom board based on STM32MP1. According to the wiki and OE mega-manual, I need to create a custom distribution to be able to customize it according to our needs.I am following the steps described he...
Resolved! Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(179,6)
Hi, I've created a SD card following this guide. The generated SD card partitions can be seen in the screenshot here below. It seems to boot correctly until the kernel prompts the following error:[ 4.200445] ---[ end Kernel panic - not syncing: VF...
Resolved! Error while compiling custom machine
Hi, I am trying to compile an OpenSTLinux image for a target "DK2_A7" custom machine.I've followed this guide and everything seems ok until 98% of the process when the following error occurs:ERROR: tf-a-stm32mp-2.4.r1-r0 do_compile: oe_runmake failed...
How to modify stm32mp1.c file on OpenSTLinux (Yocto approach)
Hi, I need to edit the "stm32mp1.c" file inside the uboot sources, in particular I have to set the following change on line 413:nb_blink = 4; How can I do that on OpenSTLinux (Yocto approach) ?Where is the file and how can I maintain such edit after ...
