.. SPDX-License-Identifier: GPL-2.0+ U-Boot for the Beacon EmbeddedWorks i.MX8M Nano Devkit ====================================================== Quick Start ----------- - Build the ARM Trusted firmware binary - Get DDR firmware - Build U-Boot - Burn U-Boot to microSD Card - Boot Get and Build the ARM Trusted firmware -------------------------------------- .. code-block:: bash $ git clone https://github.com/nxp-imx/imx-atf.git -b v2.6 $ make PLAT=imx8mn bl31 CROSS_COMPILE=aarch64-linux-gnu- $ cp build/imx8mn/release/bl31.bin ../ Get the DDR firmware -------------------- .. code-block:: bash $ 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 . Build U-Boot ------------ .. code-block:: bash $ make imx8mn_beacon_defconfig $ make CROSS_COMPILE=aarch64-linux-gnu- Burn U-Boot to microSD Card --------------------------- .. code-block:: bash $ sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32 Boot ---- Set baseboard DIP switches for micoSD Card: S17 (1:8): 1100xxxx