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: branch: imx_5.4.47_2.2.0

$ make PLAT=imx8mq bl31
$ cp build/imx8mq/release/bl31.bin $(builddir)

Get the ddr and hdmi firmware

$ wget
$ chmod +x firmware-imx-8.9.bin
$ ./firmware-imx-8.9.bin
$ cp firmware-imx-8.9/firmware/hdmi/cadence/signed_hdmi_imx8m.bin $(builddir)
$ cp firmware-imx-8.9/firmware/ddr/synopsys/lpddr4*.bin $(builddir)

Build U-Boot

$ export CROSS_COMPILE=aarch64-poky-linux-
$ make imx8mq_evk_defconfig
$ make

Burn the flash.bin to MicroSD card offset 33KB:

$sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33 conv=notrunc


Set Boot switch SW801: 1100 and Bmode: 10 to boot from Micro SD.