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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