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1.1. Purpose

This is the Linux BSP (Board Support Package) and the development environment for the STM32MP2 Evaluation Board, release 4.3.1-8.

The BSP provides a software development environment for evaluation and development of Linux on the STM32MP2 microcontroller variants (with up to 2 Cortex-A35 processor cores running up to the 1500MHz) using the ST’s STM32MP257F-EV1 Starter Kit as a hardware platform.

1.2. Hardware Platform

Refer to the the following page for detailed information on the hardware items included in the Starter Kit:

STM32MP25 Evaluation boards - Starter Package

1.3. Release Images

Release images for this software release can be downloaded from the following location:

4.3.1-8-10181826-stm32mp2.zip

1.4. SDK Toolchain

emcraft-rootfs-openstlinux-weston-stm32mp25-eval-x86_64-toolchain-4.2.4-snapshot.sh

1.5. Setting Up Kit and Development Host

Refer to the the STM32MP2 Documentation for detailed information on how to:

• Set up the STM32MP2 EV1 Kit

• Set up development host

• Install release images to the STM32MP2 EV1 target

• Boot up Linux on the STM32MP2 EV1 target.

1.6. Supported Features

The following list provides a summary of the features and capabilities of this release of the STM32MP2 EV1 BSP:

• Linux:

  • Kernel v.6.1.82;

  • Serial Linux console;

  • Gigabit Ethernet device driver and Linux TCP/IP networking (ping, NFS, Telnet, FTP, NTPD, etc);

  • eMMC/SD device driver;

  • PCIe gen 2 host/gadget device driver

  • USB3 host/gadget device driver;

  • LCD device driver;

  • Touchscreen device driver;

  • Clock driver;

  • pinctrl driver;

  • busybox v1.36.1;

  • POSIX pthreads;

  • Hardened exception handling; an exception triggered by a process affects only the offending process.

• U-Boot firmware:

  • U-Boot v 2022.10;

  • Serial console command interface with various setup, test and maintenance commands;

  • Environment variables allowing customization of a unit;

  • Sophisticated OS auto-boot sequence;

  • Partitioning and management of external Flash;

  • Initial installation of Linux image to external Flash.

• Development environment:

  • Linux-hosted cross-development environment;

  • Yocto v4.2.4 distribution.

1.7. Software Manifest

1.8. New Functionality

The following is a summary of the changes in 4.3.1-8 since the last release 0.0.1-4:

1.9. Release QA Results

The tests described in the STM32MP2 EV1 Kit Software QA Test Plan have been executed for this release:

1.10. Known Problems and Limitations

The following are known problems and limitations of this software release:

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