STM32MP1-Old-Kits: Release Notes 4.1.0
Overview
This is the Linux BSP (Board Support Package) and the development environment for the STM32MP1 System-On-Module (SOM) and Starter Kit, release 4.1.0.
The BSP provides a software development environment for evaluation and development of Linux (uClinux) on the Cortex-A7 processor core of the STM32MP1 microcontroller (the 650MHz STM32MP157A and 800MHz STM32MP157D variants) using the Emcraft STM32MP1 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 STM32MP1 BSP:
Linux:
Kernel v.6.1.28;
Serial Linux console;
Ethernet device driver and Linux TCP/IP networking (
ping
, NFS, Telnet, FTP, NTPD, etc);eMMC/SD device driver;
USB host/gadget device driver;
LCD device driver;
Touchscreen device driver;
Clock driver;
pinctrl
driver;busybox
v1.36.0;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 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;
Yocto v4.2.1 distribution.
New and Changed Features
This section lists new and changed features of this release:
Support STM32MP1-BSB in Emcraft BSP and distribution.
ID: STM32MP1-6.Fix issue: Boot from SD does not work with STM32MP1-BSB Rev 2A.
ID: STM32MP1-12.Fix issue: Some SD cards do not work with STM32MP1-BSB.
ID: STM32MP1-26.Fix issue: 5V should not be applied to USB OTG by default.
ID: STM32MP1-29.Support MIPI DSI with STM32MP1-BSB.
ID: STM32MP1-22.Support DCMI camera (Waveshare OV5640 A) with STM32MP1-BSB.
ID: STM32MP1-23.Add support for the TPM Click card to Linux BSP.
ID: STM32MP1-8.
Known Problems and Limitations
This section lists known problems and limitations of this release:
Ethernet does not work if the cable is not attached during boot.
ID: STM32MP1-14.Cannot modify Flash on SPI Flash dongle.
ID: STM32MP1-17.Touchscreen does not work with STM32MP1-BSB.
ID: STM32MP1-18.The STM32MP1-SOM is reset after waking up from the low power mode.
ID: STM32MP1-24.USB Mouse and USB keyboard does not work in USB-A.
ID: STM32MP1-30.Support resolutions other than 320*240 / 15 fps for DCMI camera.
ID: STM32MP1-32.Managing U-Boot environment from Linux is not supported.
ID: STM32MP1-34.
Further Reading
Hardware Materials:
Refer to the following page for various documentation and hardware files describing the STM32MP1 SOM and Starter Kit: STM32MP1 SOM Resource Directory
Documentation Items:
Refer to the following page for various documentation items describing use of the STM32MP1 SOM and Starter Kit: STM32MP1 SOM Resource Directory .
Support
Customers of the Emcraft i.MX 8M Starter Kit may contact Emcraft at a2f-linux-support@emcraft.com for support.