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readme.txtH A D05-Jun-20251.7 KiB7253

readme.txt

1*********************
2NXP i.MX8MP EVK board
3*********************
4
5This file documents the Buildroot support for the i.MX 8M Plus EVK board.
6
7Build
8=====
9
10First, configure Buildroot for the i.MX 8M Plus EVK board:
11
12  make freescale_imx8mpevk_defconfig
13
14Build all components:
15
16  make
17
18You will find in output/images/ the following files:
19  - bl31.bin
20  - boot.vfat
21  - ddr_fw.bin
22  - Image
23  - imx8-boot-sd.bin
24  - imx8mp-evk.dtb
25  - lpddr4_pmu_train_fw.bin
26  - rootfs.ext2
27  - rootfs.ext4
28  - rootfs.tar
29  - sdcard.img
30  - u-boot.bin
31  - u-boot.itb
32  - u-boot-nodtb.bin
33  - u-boot-spl.bin
34  - u-boot-spl-ddr.bin
35
36Create a bootable SD card
37=========================
38
39To determine the device associated to the SD card have a look in the
40/proc/partitions file:
41
42  cat /proc/partitions
43
44Buildroot prepares a bootable "sdcard.img" image in the output/images/
45directory, ready to be dumped on a SD card. Launch the following
46command as root:
47
48  dd if=output/images/sdcard.img of=/dev/<your-sd-device>
49
50*** WARNING! This will destroy all the card content. Use with care! ***
51
52For details about the medium image layout, see the definition in
53board/freescale/common/imx/genimage.cfg.template_imx8.
54
55Boot the i.MX 8M Plus EVK board
56===============================
57
58To boot your newly created system (refer to the i.MX 8M Plus EVK Documentation
59[1] for guidance):
60- insert the SD card in the SD slot of the board;
61- Configure the switches as follows (X = "don't care"):
62SW4:	0011 SW4[1-4]
63- put a micro USB cable into the Debug USB Port and connect using a terminal
64  emulator at 115200 bps, 8n1;
65- power on the board.
66
67Enjoy!
68
69References
70==========
71[1] https://www.nxp.com/document/guide/get-started-with-the-i-mx-8m-plus-evk:GS-iMX-8M-Plus-EVK
72