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Release Notes

Yocto mx93-yocto-scarthgap-6.6.52_2.2.0-v1.1

Release Notes

Based on release Yocto: Poky 5.0, BSP: NXP L6.6.52_2.2.0, Linux: lf-6.6.y
Release tag mx93-yocto-scarthgap-6.6.52_2.2.0-v1.1
Release manifest imx-6.6.52-2.2.0.xml
Date 08/12/2025
Supported platforms VAR-SOM-MX93 / DART-MX93
SOM revision VAR-SOM-MX93: v2.0A and higher, DART-MX93: 1.0 and higher
File System build system Yocto Scarthgap
Recovery SD card link mx93-yocto-scarthgap-6.6.52_2.2.0-v1.1.wic.zst
Recovery SD card SHA256 4cf234ce715f12a4907a3d93354006d4797d1277d1a342492804386502cbf9ee
Cortex M33 U-Boot support MCUXPRESSO_2.15.0_V1.1_VAR-SOM-MX93
Cortex M33 Linux remoteproc support MCUXPRESSO_2.15.0_V1.1_VAR-SOM-MX93

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 4a420b692db0241f9e266697ba959c5cd91615cf
Kernel https://github.com/varigit/linux-imx lf-6.6.y_6.6.52-2.2.0_var01 1f58c1260f60987f71e495f9778506df250d8c9f
freertos-variscite https://github.com/varigit/freertos-variscite mcuxpresso_sdk_2.15.x-var02 f617456ed00fc750ab1dea844d2f8ea66f9fa7aa
meta-variscite-bsp-imx https://github.com/varigit/meta-variscite-bsp-imx scarthgap_6.6.52-2.2.0_var01 545e7fb85c71bac9ba4a69ad1f992f105f5374d6
meta-variscite-bsp-common https://github.com/varigit/meta-variscite-bsp-common scarthgap_6.6.52-2.2.0_var01 cc8937bc8c7586ef882c052c6e77a6bb8950f8d2
meta-variscite-sdk-imx https://github.com/varigit/meta-variscite-sdk-imx scarthgap_6.6.52-2.2.0_var01 8be01708c8dc4b62a43407ec0a454850890e3a47
meta-variscite-sdk-common https://github.com/varigit/meta-variscite-sdk-common scarthgap_6.6.52-2.2.0_var01 0db6cd627851573800110578d5e2378078e769b6

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 1.1
Add support for DART-MX93 on Sonata-Board
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 1.0
Initial Yocto Scarthgap 6.6.52_2.2.0 release Based on NXP Yocto Scarthgap and NXP Linux Kernel 6.6.52
Major Updates
Secure Boot AHAB support has been added
OP-TEE OP-TEE support has been added
Known Issues
The following NXP BSP features are not supported yet:

- Encrypted FS

The following Variscite BSP features are not supported yet:

- DART-MX93 WBE device tree
- DART-MX93 native CAN and SPI-CAN controller on DT8MCustomBoard

Using a m33 device tree When a m33 device tree, e.g., imx93-var-som-symphony-m33.dtb or imx93-var-dart-dt8mcustomboard-m33.dtb, is used, the kernel boot is delayed by the OT service.
ttyLP6 conflicts with ML Once ethos-u firmware is kicked on the CM33, the UART ttyLP6 is not available from linux.