Skip to content

Release Notes

Yocto mx93-yocto-scarthgap-6.6.52_2.2.0-v1.2

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-v1.2
Release manifest imx-6.6.52-2.2.0.xml
Date 10/02/2025
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-v1.2.wic.zst
Recovery SD card SHA256 72227897e49f51eb6042895909aff3c8b11736a861e18df2adea4cff71fc91d8
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 19e60b1f4e08edd562989fe0e9b46792e6621ba2
Kernel https://github.com/varigit/linux-imx lf-6.6.y_6.6.52-2.2.0_var01 1e565912bb07e804b907bff35130f3ee543125a8
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 5f1773d0120c580b6507af569a3dac7a455adb9f
meta-variscite-bsp-common https://github.com/varigit/meta-variscite-bsp-common scarthgap_6.6.52-2.2.0_var01 581ae13ecfb9a4f37c2024be97d1bb6e522045d3
meta-variscite-sdk-imx https://github.com/varigit/meta-variscite-sdk-imx scarthgap_6.6.52-2.2.0_var01 2f8d0800a5209bfe4059bf87a495435ced4d43ec
meta-variscite-sdk-common https://github.com/varigit/meta-variscite-sdk-common scarthgap_6.6.52-2.2.0_var01 7967f8724ead496345720d06ecc23891c237671d

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 1.2
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-common Updates Click here for a full detailed change list
meta-variscite-sdk-imx Updates Click here for a full detailed change list
Known Issues
Bluetooth crash under specific load conditions Fixed by kernel commit 01d9706 (post-release fix)
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.