NXP Semiconductors
UM11483
Getting Started with NXP-based Wireless Modules on i.MX 8M Quad EVK Running Linux OS
4.5 Booting from eMMC
To boot the i.MX 8M Quad from eMMC, set the boot switch per the settings given in
Section 2.4 "i.MX 8M Quad switch settings"
.
4.5.1 Serial console setup
Follow these steps to setup the serial console and access the i.MX 8M Quad device
terminal:
•
Open the serial console and login into the device
ubuntu@ubuntu-desktop:/# sudo minicom -s -D /dev/ttyUSBx
•
ttyUSB0
or
ttyUSB01
are the serial devices. The minicom setup configuration is given
below:
A - Serial Device : /dev/ttyUSBx
E - Bps/Par/Bits : 115200 8N1
F - Hardware Flow Control : No
G - Software Flow Control : No
•
Save and exit.
4.5.2 Linux OS login
The default login username for the i.MX Linux OS is
root
. There is no password.
4.5.3 Enabling SDIO on M.2 (AW-CM358MA module only)
The command below sets as default the DTB file that enables the SDIO interface on the
M.2 connector, and reboots the EVK to load the updated DTB file.
root@imx8mqevk:~# mv /run/media/mmcblk0p1/imx8mq-evk-usdhc2-m2.dtb /
run/media/mmcblk0p1/imx8mq-evk.dtb
root@imx8mqevk:~# reboot
Note:
This section only applies to AW-CM358MA module based on M.2 connector. The
SDIO on M.2 DTB is necessary to enable the SDIO interface on the M.2 connector. By
default the SDIO support is enabled for the SD Card slot connector. The hardware rework
instructions are given in
Section 3.5.6 "i.MX 8M Quad rework for SDIO support on M.2"
.
4.5.4 Software package release version information
The software package release version information is provided in the release notes.
UM11483
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
User manual
Rev. 2 — 21 January 2021
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