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System SDK Download

• Ubuntu 22.04 : https://github.com/nxp-imx/meta-nxp-desktop/tree/lf-6.1.22-2.0.0-mickledore

• Yocto-Linux 6.1.22_2.2.0

  repo init -u https://github.com/nxp-imx/imx-manifest -b imx-linux-mickledore -m imx-6.1.22-2.0.0.xml

Modify sources/meta-imx/meta-bsp/recipes-bsp/u-boot/u-boot-imx-common_2023.04.inc

UBOOT_SRC ?= "git://github.com/debix-tech/uboot-nxp-debix;protocol=https"
SRCBRANCH = "lf_v2023.04-debix_model_ab_4gddr"
SRCREV = " ... commit id ... "

SRCREV can be obtained through the commit on git hub or through the git log command:

ljm@polyhex:~/workstation/Github/uboot-nxp-debix$ git checkout lf_v2023.04_4GBDDR
Branch 'lf_v2023.04_4GBDDR' set up to track remote branch 'lf_v2023.04_4GBDDR' from 'origin'.
Switched to a new branch 'lf_v2023.04_4GBDDR'
ljm@polyhex:~/workstation/Github/uboot-nxp-debix$ git log
commit 08539a36dfd16e301f1a7cd1abd1d8d567ebf046 (HEAD -> lf_v2023.04_4GBDDR, origin/lf_v2023.04_4GBDDR)
Author: John_gao <9278978@qq.com>
Date:   Mon Aug 12 03:27:14 2024 +0000

08539a36dfd16e301f1a7cd1abd1d8d567ebf046 is the commit id

Build uboot

DISTRO=imx-desktop-xwayland MACHINE=imx8mpevk source imx-setup-desktop.sh -b debix-desktop
bitbake -c compile -f -v u-boot-imx
bitbake -c deploy -f -v u-boot-imx
bitbake -c compile -f -v imx-boot
bitbake -c deploy -f -v imx-boot

uboot bin file: debix-desktop/tmp/deploy/images/imx8mpevk/imx-boot-imx8mpevk-sd.bin-flash_evk

Use ubuntu dd command write to device

sudo dd if=imx-boot-imx8mpevk-sd.bin-flash_evk of=/dev/sdx bs=1k seek=32 conv=fsync