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.. 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
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