1.. SPDX-License-Identifier: GPL-2.0+
2
3imxrt1020-evk
4=============
5
6How to use U-Boot on NXP i.MXRT1020 EVK
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8
9- Build U-Boot for i.MXRT1020 EVK:
10
11.. code-block:: bash
12
13   $ make mrproper
14   $ make imxrt1020-evk_defconfig
15   $ make
16
17This will generate the SPL image called SPL and the u-boot.img.
18
19- Flash the SPL image into the micro SD card:
20
21.. code-block:: bash
22
23   $sudo dd if=SPL of=/dev/sdX bs=1k seek=1 conv=notrunc; sync
24
25- Flash the u-boot.img image into the micro SD card:
26
27.. code-block:: bash
28
29   $sudo dd if=u-boot.img of=/dev/sdX bs=1k seek=128 conv=notrunc; sync
30
31- Jumper settings::
32
33   SW8: 0 1 1 0
34
35where 0 means bottom position and 1 means top position (from the
36switch label numbers reference).
37
38- Connect the USB cable between the EVK and the PC for the console.
39  The USB console connector is the one close the ethernet connector
40
41- Insert the micro SD card in the board, power it up and U-Boot messages should come up.
42