Release Notes 4.3.0

1. Overview

This is the Linux BSP (Board Support Package) and the development environment for the STM32MP2 Evaluation Board, release 4.3.0.

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.

2. Supported Features

The following list provides a summary of the features and capabilities of this release of the STM32MP2 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.

3. Known Problems and Limitations

This section lists known problems and limitations of this release:

  1. Auto-boot doesn’t working due to garbage read from the serial line.
    ID: STM32MP2-5.

4. Further Reading

  • Documentation Items:

Refer to the following page for various documentation items describing use of the STM32MP257F-EV1 Starter Kit:  STM32MP2 Resource Directory .

5. Support

Customers of the STM32MP257F-EV1 Starter Kit may contact Emcraft at a2f-linux-support@emcraft.com for support.