UCM-iMX8M-Plus: Yocto Linux: Release Notes

18-Mar-2026, UCM-iMX8M-Plus Yocto Linux 4.1

Yocto 5.0.4 (Scarthgap LTS) for UCM-iMX8M-Plus

- Based on NXP release scarthgap-6.6.52-2.2.0

- U-Boot 2023.04 based on NXP lf_v2023.04; Version: 2023.04-compulab-4.1-d4+fslc+g311402b4618+p0; hash: 311402b46183b7f866bd4d7c1604499431d5fa1c

- Kernel 6.6.52 based on NXP lf-6.6.y; Version: 6.6.52-compulab-4.1-gf8fd02287eb5; hash: f8fd02287eb5d0f468308b6862ed03289cefaaa0

HW features

- Added support Kingston, ISSI and Etron DDR

- Added support for Realtek RTL8211F PHY

Documentation

- Updated multiple articles to comply with the new release

07-Nov-2024, UCM-iMX8M-Plus Yocto Linux 4.0

Yocto 5.0 (Scarthgap LTS) for UCM-iMX8M-Plus

- Based on NXP release scarthgap-6.6.23-2.0.0

- U-Boot 2023.04 based on NXP lf_v2023.04

- Kernel 6.6.23 based on NXP lf-6.6.y

Documentation

- Updated multiple articles to comply with the new release

19-Feb-2024, UCM-iMX8M-Plus Yocto Linux 3.0

Yocto 4.2 (Micledore) for UCM-iMX8M-Plus

- Based on NXP release micledore-6.1.55-3.0.0

- U-Boot 2023.04 based on NXP lf_v2023.04

- Kernel 6.1.55 based on NXP lf-6.1.y

Documentation

- Updated multiple articles to comply with the new release

23-Feb-2023, UCM-iMX8M-Plus Yocto Linux 2.0

Yocto 4.0 (Kirkstone) for UCM-iMX8M-Plus

- Based on NXP release kirkstone-5.15.32-2.0.0

- U-Boot 2021.04 based on NXP lf_v2021.04

- Kernel 5.15.32 based on NXP lf-5.15.y

Documentation

- Updated multiple articles to comply with the new release

09-May-2022, UCM-iMX8M-Plus Yocto Linux 1.1

Yocto 3.3 (Hardknott) for UCM-iMX8M-Plus

- Based on NXP release lf-5.10.72-2.2.0

- Kernel 5.10.72

- U-Boot 2021.04

HW features

- Added support for UCM-iMX8M-Plus rev1.1

- Added support for Realtek RTL8211E PHY

- Added support for LDO control of secondary RGMII

10-Jun-2021, UCM-iMX8M-Plus Yocto Linux 1.0

Yocto 3.2 (gatesgarth) for UCM-iMX8M-Plus

- Based on NXP release lf-5.10.y-1.0.0

- Kernel 5.10.9

- U-Boot 2020.04

HW features

- Basic support for UCM-iMX8M-Plus

- USB2.0 OTG Host/Device

- USB3.0 Host

- PCIe, I2C, SPI

- Storage: eMMC, uSD, EEPROM

- Ethernet: Ethernet Quality Of Service (ENET_QOS)

- FlexCAN: can0, can1

- HDMI display interface

- LVDS display interface

- MIPI-DSI display interface

- Touch screen support

- CSI video camera interface

- SNVS RTC

- RTC

- Heartbeat LED

SW Features

- CompuLab Deployment Tool

- CompuLab U-Boot Tool

- fw_printenv/fw_setenv/cl_setenv utilities provide R/W assess to U-Boot environment from Linux CLI

- Chromium browser

- Qt support

Boot-loader features

- Supported memory configurations: 2GB, 4GB

- Supported boot-loader devices: SD, eMMC

- Supported linux/rootfs devices: SD, eMMC, USB, NFS

Documentation

- Initial Yocto Linux documentation for UCM-iMX8M-Plus