U-Boot for the NXP i.MX8MQ EVK board Quick Start ==================== - Build the ARM Trusted firmware binary - Get ddr and hdmi fimware - Build U-Boot - Boot Get and Build the ARM Trusted firmware ==================== Note: srctree is U-Boot source directory Get ATF from: https://source.codeaurora.org/external/imx/imx-atf branch: imx_4.14.62_1.0.0_beta $ make PLAT=imx8mq bl31 $ cp build/imx8mq/release/bl31.bin $(srctree) Get the ddr and hdmi firmware ==================== $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-7.9.bin $ chmod +x firmware-imx-7.9.bin $ ./firmware-imx-7.9.bin $ cp firmware-imx-7.9/firmware/hdmi/cadence/signed_hdmi_imx8m.bin $(srctree) $ cp firmware-imx-7.9/firmware/ddr/synopsys/lpddr4*.bin $(srctree) Build U-Boot ==================== $ export CROSS_COMPILE=aarch64-poky-linux- $ make imx8mq_evk_defconfig $ make flash.bin Burn the flash.bin to MicroSD card offset 33KB $sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33 Boot ==================== Set Boot switch SW801: 1100 and Bmode: 10 to boot from Micro SD.