1. Installing Images from Linux Host

The following instructions describe how to flash a micro SD card with a Linux image suitable for running on the i.MX 8M NAVQ Plus kit from the Linux host as well as how to prepare the kit for booting from that card.

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1. When the build is complete the resultant image will be located at the following path in the Yocto build directory tmp/deploy/images/imx8mpnavq/. Look for the following image: imx-image-desktop-ros-imx8mpnavq.wic.zst.

2. Insert a SD card (capacity of 8GB or more) into the Linux host PC. Write the decompressed image onto the SD card (change /dev/sdX to the actual device name, as available on your Linux host):

   Code Block
   zstd -d -c imx-image-desktop-ros-imx8mpnavq.wic.zst | sudo dd of=/dev/sdX bs=64M conv=fdatasync

2. Verifying New Installation

1. Set up the boot switches on the i.MX 8M NAVQ Plus kit for booting from the SD card:
   SW2.1 - 1, SW2.2 - 1

2. Insert the flashed SD card into the SD card slot on the NAVQ Plus kit and power the kit up.

3. Verify that the following Linux boot-up messages appear on the serial console:

   Code Block

   NOTICE: BL31: v2.4(release): NOTICE: BL31: Built : 05:49:10, Mar 2 2022 U-Boot 2021.04-lf_v2021.04+g60519b47e7 (Jul 31 2022 - 08:56:04 +0000) CPU: i.MX8MP[8] rev1.1 1800 MHz (running at 1200 MHz) CPU: Commercial temperature grade (0C to 95C) at 44C Reset cause: POR Model: Voxelbotics NAVQPlus board DRAM: 4 GiB ... Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034] ... Ubuntu 20.04.3 LTS imx8mpnavq ttymxc1 imx8mpnavq login:

4. Enter the Linux session by typing user for both the user name and the password.