Release Notes¶
Yocto mx93-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 | mx93-yocto-scarthgap-6.6.52_2.2.0-v1.4 |
| Release manifest | imx-6.6.52-2.2.0.xml |
| Date | 01/22/2026 |
| 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-v1.4.wic.zst |
| Recovery SD card SHA256 | 0881730112f513fe67e462481890a5390fb87b0657c31d89ae94d98687e58693 |
| 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¶
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 | |
| WiFi/BT Firmware | Added support for firmware 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-common 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 | |
| Carrier board | Added support for VAR-SOM-MX93 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 MM6X18540.p33_V2 |
| 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 |
| 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
|
| 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. |