Overview

This is the Linux BSP (Board Support Package) and the development environment for the STM32H7 System-On-Module (SOM) and Starter Kit, release 2.5.0.

The BSP provides a software development environment for evaluation and development of Linux (uClinux) on the Cortex-M7 processor core of the STM32H7 microcontroller using the Emcraft STM32H7 SOM Starter Kit as a hardware platform.

Supported Features

The following list provides a summary of the features and capabilities of this release of the STM32H7 BSP:

• Linux:
  • Kernel v.5.15.67;
  • Serial Linux console;
  • Ethernet device driver and Linux TCP/IP networking (ping, NFS, Telnet, FTP, NTPD, etc);
  • Clock driver;
  • pinctrl driver;
  • busybox v1.24.2;
  • POSIX pthreads;
  • Hardened exception handling; an exception triggered by a process affects only the offending process.
• U-Boot firmware:
  • U-Boot v 2019.04-rc3;
  • Serial console command interface with various setup, test and maintenance commands;
  • Environment variables allowing customisation 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;
  • 10.3-2021.10 Arm Embedded Toolchain is used for development of U-Boot, Linux;
  • 4.7.4 GNU toolchain is used for development of user-space applications;
  • mkimage tool used by the Linux kernel build process to create a bootable Linux image.

Software Manifest

Known Problems and Limitations

This section lists known problems and limitations of this release:

• Managing U-Boot environment from Linux is not supported.