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Release Notes

Yocto mx93-yocto-scarthgap-6.6.52_2.2.0-v1.0

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-v1.0
Release manifest imx-6.6.52-2.2.0.xml
Date 03/28/2025
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-v1.0.wic.zst
Recovery SD card SHA256 f34d7b84a5b2a53633f57c629ed911a6eb029920f530d075ef26d696a8326703
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 d25f4be00dbaa8fd718c3136831952fd2b7a2aac
Kernel https://github.com/varigit/linux-imx lf-6.6.y_6.6.52-2.2.0_var01 b1465219ff2166525948cb7a752447faf88d9f05
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 ccbb4a0e722d4aa3600f17d684a990bb9f7c8617
meta-variscite-bsp-common https://github.com/varigit/meta-variscite-bsp-common scarthgap_6.6.52-2.2.0_var01 b8025d86014142c4a0e4239494c68090f65c8df4
meta-variscite-sdk-imx https://github.com/varigit/meta-variscite-sdk-imx scarthgap_6.6.52-2.2.0_var01 5930ec188681a7828c42c1aeb63e0b4dcfac122b
meta-variscite-sdk-common https://github.com/varigit/meta-variscite-sdk-common scarthgap_6.6.52-2.2.0_var01 bbdcc2936516be51e416c7affba7a8db1a633847

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 1.0
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.