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Release Notes

Yocto mx91-yocto-scarthgap-6.6.52_2.2.0-v1.4

Release Notes

Based on release Yocto: Poky 5.0, BSP: NXP L6.6.52_2.2.0, Linux: lf-6.6.y
Release tag mx91-yocto-scarthgap-6.6.52_2.2.0-v1.4
Release manifest imx-6.6.52-2.2.0.xml
Date 3/24/2025
Supported platforms VAR-SOM-MX91
SOM revision v1.0 and higher
File System build system Yocto Scarthgap
Recovery SD card link mx91-yocto-scarthgap-6.6.52_2.2.0-v1.4.wic.zst
Recovery SD card SHA256 fd99cbe315b8bd66fd0c4f44a00a8b7aefa1f4d02920ff6e06ae748bc4d8fd22

Relevant git Repositories

Source Repository Branch Commit ID
U-Boot https://github.com/varigit/uboot-imx lf_v2024.04_6.6.52-2.2.0_var01 a58ff4b6a8fad23c23b68d814abbb65c287d8de8
Kernel https://github.com/varigit/linux-imx lf-6.6.y_6.6.52-2.2.0_var01 f12bfe6d61b105c95184b7d4015e9969c2a8a622
meta-variscite-bsp-imx https://github.com/varigit/meta-variscite-bsp-imx scarthgap_6.6.52-2.2.0_var01 cbb907aa0e265fe6fa3df5da16977853317c36b0
meta-variscite-bsp-common https://github.com/varigit/meta-variscite-bsp-common scarthgap_6.6.52-2.2.0_var01 ef21cd51ae405cab3f0d4185d6c4afa0807b244f
meta-variscite-sdk-imx https://github.com/varigit/meta-variscite-sdk-imx scarthgap_6.6.52-2.2.0_var01 225890d17621888fa0496033cabf0ee0f602bfe2
meta-variscite-sdk-common https://github.com/varigit/meta-variscite-sdk-common scarthgap_6.6.52-2.2.0_var01 31fd47933f01d4bd652554a2d903a97fa8a76ab2

After downloading the image, visit our Recovery SD card guide to learn how to program a recovery SD card.

Change Log

Change List Description
Release 1.4
Major Updates
Carrier board Added support for VAR-SOM-MX91 on Symphony-Board v.2.x
WiFi/BT Firmware Updated firmware for IW612 Wi-Fi 6, Bluetooth 5.4 and 802.15.4 chipset to the release MM6X18537.p9
U-Boot Updates Click here for a full detailed change list
Kernel Updates Click here for a full detailed change list
meta-variscite-bsp-common Updates Click here for a full detailed change list
meta-variscite-bsp-imx Updates Click here for a full detailed change list
meta-variscite-sdk-imx Updates Click here for a full detailed change list
Release 1.3
Major Updates
Add support for SOM with 512 MB of LPDDR4 RAM
U-Boot Updates Click here for a full detailed change list
Kernel Updates Click here for a full detailed change list
meta-variscite-bsp-common Updates Click here for a full detailed change list
meta-variscite-bsp-imx Updates Click here for a full detailed change list
meta-variscite-sdk-imx Updates Click here for a full detailed change list
Release 1.2
Major Updates
[DART] Add TPM2.0 chip support for Sonata-Board
[DART] Enable pull-up on ENET1_RGMII_RD3 for MXL MDIO strap
Update Variscite logo
U-Boot Updates Click here for a full detailed change list
Kernel Updates Click here for a full detailed change list
meta-variscite-bsp-common Updates Click here for a full detailed change list
meta-variscite-bsp-imx Updates Click here for a full detailed change list
meta-variscite-sdk-imx Updates Click here for a full detailed change list
meta-variscite-sdk-common Updates Click here for a full detailed change list
Known Issues
The following NXP BSP features are not supported yet:

- Encrypted FS
The following Variscite BSP feature are not supported yet:

- VAR-SOM-MX91 WBE device tree
Release 1.1
U-Boot Updates Click here for a full detailed change list
Kernel Updates Click here for a full detailed change list
meta-variscite-bsp-common Updates Click here for a full detailed change list
meta-variscite-bsp-imx Updates Click here for a full detailed change list
meta-variscite-sdk-imx Updates Click here for a full detailed change list
Known Issues
The following NXP BSP features are not supported yet:

- Encrypted FS

The following Variscite BSP feature are not supported yet:

- VAR-SOM-MX91 WBE device tree

Release 1.0
Initial release Based on NXP Yocto Scarthgap 6.6.52_2.2.0 and NXP Linux Kernel 6.6.52 lf-6.6.y
Known Issues
Several features are not yet supported by the NXP BSP:

- CPU frequency scaling
- Encrypted FS