STM32MP1 M4 programming

[STrat.1]

Hi,

Currently i am looking for an easy way:

to change the device tree, to assign peripherals to the M4 Coprocessor for quasi real time applications.

i do have a STM32MP157F-DK2 board for testing and also a board with Debian, which i purchased from a different vendor who has built it´s own Linux image, which i want to use.

The vendor does not provide any CubeMX files for his design, or any other information regarding his design.

So... do i need to built everything from scratch myself ?

[Olivier GALLIEN]

Hi @STrat.1​ 

For DK2 board for sure you can use CubeMX to generate DTS assigning peripherals to M4.

Can you please give the reference of the other board you are talking about ?

Olivier

[Ste_Trat1]

Hi,

here is the topic creator once again.

The problem:

i stopped some time ago with this and now more people are interested in resolving this.

 The reference board is, which can enter production or engineering mode.

https://www.olimex.com/Products/OLinuXino/STMP1/STMP157-OLinuXino-LIME2/open-source-hardware

to which i sucessfully connected with st link and got some response of the board.

olimex has its own image called Olimage, and has a guide to change the device tree blob:

https://raw.githubusercontent.com/OLIMEX/OLINUXINO/master/DOCUMENTS/OLIMAGE/Olimage-guide.pdf

Goals:

Extract the information to generate an ioc file for cubemx to built my own STlinux Yocto image.

or

simply program the M4 core with .elf files, for realtime tasks and i do not want the A7 to interfere somewhow with the M4 through shared resources. They should work independently from each other and only communicate via remoteproc.

How can i accomplish this?

Thanks & BR