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.. SPDX-License-Identifier: GPL-2.0+
imx8mn_venice
=============
U-Boot for the Gateworks i.MX8M Nano Venice Development Kit boards
Quick Start
-----------
- Build the ARM Trusted firmware binary
- Get DDR firmware
- Build U-Boot
- Flash to eMMC
- Boot
Get and Build the ARM Trusted firmware
--------------------------------------
.. code-block:: bash
$ git clone https://github.com/nxp-imx/imx-atf.git -b lf_v2.4
$ 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-8.9.bin
$ chmod +x firmware-imx-8.9.bin
$ ./firmware-imx-8.9.bin
$ cp firmware-imx-8.9/firmware/ddr/synopsys/lpddr4*.bin .
Build U-Boot
------------
.. code-block:: bash
$ make imx8mn_venice_defconfig
$ make CROSS_COMPILE=aarch64-linux-gnu-
Update eMMC
-----------
.. code-block:: bash
=> tftpboot $loadaddr flash.bin
=> setexpr blkcnt $filesize + 0x1ff && setexpr blkcnt $blkcnt / 0x200
=> mmc dev 2 && mmc write $loadaddr 0x40 $blkcnt
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