- Build the ARM Trusted firmware binary
- Get DDR firmware
- Build U-Boot
- Burn U-Boot to microSD Card
- Boot
$ git clone https://github.com/nxp-imx/imx-atf.git -b v2.6
$ make PLAT=imx8mm bl31 CROSS_COMPILE=aarch64-linux-gnu-
$ cp build/imx8mm/release/bl31.bin ../
$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.15.bin
$ chmod +x firmware-imx-8.15.bin
$ ./firmware-imx-8.15
$ cp firmware-imx-8.15/firmware/ddr/synopsys/lpddr4*.bin .
$ make imx8mm_beacon_defconfig
$ make CROSS_COMPILE=aarch64-linux-gnu-
$ sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33
Set baseboard DIP switches for micoSD Card: - S11 (1:8) 01101000 - S10 (1:8) 11001000 - S17 (1:8) 0110xxxx