1.. SPDX-License-Identifier: GPL-2.0+
2
3imx8mn_evk
4==========
5
6U-Boot for the NXP i.MX8MN EVK board
7
8Quick Start
9-----------
10
11- Build the ARM Trusted firmware binary
12- Get firmware-imx package
13- Build U-Boot
14- Boot
15
16Get and Build the ARM Trusted firmware
17--------------------------------------
18
19Note: srctree is U-Boot source directory
20Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
21branch: imx_5.4.47_2.2.0
22
23.. code-block:: bash
24
25   $ make PLAT=imx8mn bl31
26   $ cp build/imx8mn/release/bl31.bin $(srctree)
27
28Get the ddr firmware
29--------------------
30
31.. code-block:: bash
32
33   $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.9.bin
34   $ chmod +x firmware-imx-8.9.bin
35   $ ./firmware-imx-8.9
36   $ cp firmware-imx-8.9/firmware/ddr/synopsys/ddr4*.bin $(srctree)
37
38Build U-Boot
39------------
40
41.. code-block:: bash
42
43   $ export CROSS_COMPILE=aarch64-poky-linux-
44   $ make imx8mn_ddr4_evk_defconfig
45   $ export ATF_LOAD_ADDR=0x960000
46   $ make flash.bin
47
48Burn the flash.bin to MicroSD card offset 32KB:
49
50.. code-block:: bash
51
52   $sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32 conv=notrunc
53
54Boot
55----
56
57Set Boot switch to SD boot
58