Disclaimer

!IMPORTANT!	This branch is not a release

Supported Compulab Products

UCM-iMX95 - i.MX95 SMD System-on-Module

Preferred OS for build host is Ubuntu 22.04. It can be utilized with Docker: https://github.com/compulab-yokneam/yocker

Initialize repo manifests

• NXP:

mkdir compulab-nxp-bsp && cd compulab-nxp-bsp
repo init -u https://github.com/nxp-imx/imx-manifest.git -b imx-linux-scarthgap -m imx-6.6.23-2.0.0.xml

• CompuLab:

mkdir -p .repo/local_manifests
wget --directory-prefix .repo/local_manifests https://raw.githubusercontent.com/compulab-yokneam/meta-bsp-imx95/devel/scripts/meta-bsp-imx95.xml
repo sync

Setup Yocto build environment

• Set a machine that matches your SoM:

export MACHINE=ucm-imx95

• Initialize the environment:

source compulab-setup-env build-${MACHINE}

Building full rootfs image:

• Build command

bitbake -k imx-image-full
image_location=${BUILDDIR}/tmp/deploy/images/${MACHINE}/imx-image-full-${MACHINE}*.wic.zst

Deployment

Bootable sd card method

Host Machine

sudo zstd -dc $image_location | sudo dd bs=1M status=progress of=/dev/sdX

SoM

• Power off
• Insert the created sd-card
• short alt. boot jumper
• Power on

UUU method

Host Machine

cd ${BUILDDIR}/tmp/deploy/images/${MACHINE}
sudo uuu -v -b emmc_all imx-boot-tagged mx-image-full-${MACHINE}.wic.zst

SoM

• Power off
• Connect USB cable from host type A to SoM Serial Download microUSB
• Short SDP boot jumper
• Power on

Optional target - bootloader only

bitbake -k imx-boot
bootloader_location=${BUILDDIR}/tmp/deploy/images/${MACHINE}/imx-boot-tagged