Changes notification – v4.1.0

Revision as of 16:37, 18 November 2022 by Registered User
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Applicable for STM32MP13x lines, STM32MP15x lines


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1. Article purpose[edit source]

The article aims to help to rebase an STM32 MPU project on a new ecosystem release by focusing on main changes impacts.

2. Scope of this article[edit source]

This article provides some details for main changes between STM32 MPU ecosystem release v4.0.0 More info.png and new STM32 MPU ecosystem release v4.1.0 More info.png to help for migrating your project.

All Informations about the features delivered in the new release is also available in the OpenSTLinux release note.

Warning DB.png Important
In case of upgrade from OpenSTLinux ecosystem release v3, check first previous release change notification listed below:


3. Impacted domains[edit source]

3.1. Yocto build environment for Distribution Package[edit source]

Under construction.png To be updated

Yocto layers/recipes to update for new Kirkstone version. Follow scripts available in OpenEmbedded-Core layer to help user:

  • ./layers/openembedded-core/scripts/contrib/convert-overrides.py
  • ./layers/openembedded-core/scripts/contrib/convert-spdx-licenses.py
  • ./layers/openembedded-core/scripts/contrib/convert-srcuri.py
  • ./layers/openembedded-core/scripts/contrib/convert-variable-renames.py
(see Yocto Kirkstone release note[1] for more information)

3.2. Hardware configuration[edit source]

Check device tree files for STMP32 MPU board:

Linux Kernel: between Linux kernel v5.15-stm32mp-r2 (v5.15.67) and previous Linux kernel v5.15-stm32mp-r1 (v5.15.24)

U-Boot: between U-Boot v2021.10-stm32mp-r2 and previous U-Boot v2021.10-stm32mp-r1

  • None.

OP-TEE: between OP-TEE 3.16.0-stm32mp-r2 and previous OP-TEE 3.16.0-stm32mp-r1

  • None

TF-A: between TF-A v2.6-stm32mp-r2 and previous TF-A v2.6-stm32mp-r1

Info white.png Information
This is possible with git diff command to get delta between to branches in the same repository.
Example with ST Linux GitHub repository and for all stm32mp1 device tree files:

git diff v5.10-stm32mp-r2 v5.15-stm32mp-r1 -- arch/arm/boot/dts/stm32mp1*

3.3. System configuration[edit source]

  • FIP only since STM32 MPU ecosystem release v4.0.0 More info.png . NoFIP is no more supported

3.4. Boot stages[edit source]

BL2

  • None

3.5. Security[edit source]

  • None

3.6. User space and applications[edit source]

  • None



4. References[edit source]

  1. ↑ https://docs.yoctoproject.org/migration-guides/migration-4.0.html#release-notes-for-4-0-kirkstone)

Microprocessor unit

Linux® is a registered trademark of Linus Torvalds.

Industrial I/O Linux® subsystem

Das U-Boot -- the universal boot loader (see U-Boot)

Open portable trusted execution environment

Trusted firmware for Arm® Cortex®-A

Boot loader stage 2

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