1U-Boot for the NXP i.MX8MQ EVK board 2 3Quick Start 4==================== 5- Build the ARM Trusted firmware binary 6- Get ddr and hdmi fimware 7- Build U-Boot 8- Boot 9 10Get and Build the ARM Trusted firmware 11==================== 12Get ATF from: https://source.codeaurora.org/external/imx/imx-atf 13branch: imx_4.14.62_1.0.0_beta 14$ make PLAT=imx8mq bl31 15 16Get the ddr and hdmi firmware 17==================== 18Note: srctree is U-Boot source directory 19$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-7.9.bin 20$ chmod +x firmware-imx-7.9.bin 21$ ./firmware-imx-7.9.bin 22$ cp firmware-imx-7.9/firmware/hdmi/cadence/signed_hdmi_imx8m.bin $(srctree) 23$ cp firmware-imx-7.9/firmware/ddr/synopsys/lpddr4*.bin $(srctee) 24 25Build U-Boot 26==================== 27$ export CROSS_COMPILE=aarch64-poky-linux- 28$ make imx8mq_evk_defconfig 29$ make flash.bin 30 31Burn the flash.bin to MicroSD card offset 33KB 32$sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33 33 34Boot 35==================== 36Set Boot switch SW801: 1100 and Bmode: 10 to boot from Micro SD. 37