Overview

This is the Linux BSP (Board Support Package) and the software development environment for the STMicroelectronics STM32H753I-EVAL Evaluation board, release 3.0.1.

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 STM32H753I-EVAL Evaluation board 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.6.1.28;
  • Serial Linux console;
  • Ethernet device driver and Linux TCP/IP networking (ping, NFS, Telnet, FTP, NTPD, etc);
  • Clock driver;
  • pinctrl driver;
  • MMC/SD driver;
  • I2C bus driver;
  • (PAID ADD-ON) CAN bus driver;
  • (PAID ADD-ON) QSPI Flash;
  • USB High Speed driver (Host and Gadget modes);
  • GPIO device driver;
  • busybox v1.35.0;
  • POSIX pthreads;
  • Hardened exception handling; an exception triggered by a process affects only the offending process;
  • Hardware FPU support (floating-point unit).
• U-Boot firmware:
  • U-Boot v 2019.04;
  • Target initialization from power-on / reset;
  • Serial console;
  • Ethernet driver for loading images to the target;
  • Device driver for SD Card;
  • Environment variables allowing customization of a unit;
  • Autoboot feature, allowing boot of OS images from the SD Card or other storage with no operator intervention;
  • Persistent environment in the SD Card for customization of target operation;
  • Sophisticated command interface for maintenance and development of the target.
• Development environment:
  • Linux-hosted cross-development environment;
  • 11.3.0 GNU toolchain is used for development of user-space applications;
  • ELF / dynamic linking supported;
  • Hardware FPU enabled in the toolchain and kernel;
  • mkimage tool used by the Linux kernel build process to create a bootable Linux image.

New and Changed Features

The following is a summary of the changes in Release 3.0.1, as compared to Release 3.0.0:

1. Support I2C in Linux.
   ID: RM 6736.
2. Fix defect: Page allocation failure during boot.
   ID: RM 6805.
3. Make USB gadgets configurable at run time via configfs.
   ID: RM 6830.
4. Fix defect: gcc 11.3: Reboot leads to the kernel panic on the STM32H7-EVAL board.
   ID: RM 6801.
5. Add CONFIG_SYS_BOOTM_LEN to STM32H7 configs in U-Boot.
   ID: RM 6808.
6. Fix defect: http demo does not work with busybox 1.35.0.
   ID: RM 6812.
7. Fix defect: Add gdbserver in build.
   ID: RM 6784.

Software Manifest

Known Problems & Limitations

This section lists known problems and limitations of this release:

1. Kernel crashes when a remote ssh session exits.
   ID: RM 6807.
   Workaround: None.
2. NFS mount is not supported in the BSP
   ID: RM 6785.
   Workaround: None.
3. gcc 11.3: gdbserver crashes when attempting to start remote debugging.
   ID: RM 6821.
   Workaround: None.