i.MX8 - Nitrogen8M - Yocto - Installing an Image

i.MX8
Introduction
SoC Overview Carrier Boards i.MX6 vs i.MX8
iMX8M Evaluation Kit (EVK)
Overview Getting Started Selecting Boot Mode System Setup Software Support Android_SD_Partitions_RidgeRun_Script Loading pre-built images Yocto Support Building Yocto Installing an Image Alternative image loading Android Support Building Android Installing an Image System Recovery
Nitrogen8M
Overview Getting Started Selecting Boot Mode System Setup Software Support Loading pre-built images Yocto Support Building Yocto Installing an Image Alternative image loading Customizing Boot Sequence Android Support Building Android Installing an image System Recovery
Multimedia
GPU OpenGL OpenCL OpenVX OpenVG Vulkan VPU Encoding System Decoding System ISP Support V4L2 Drivers Porting Guide GStreamer Support Package Installation Pipeline Examples Hardware-accelerated plugins RidgeRun Products GstRtspSink GstWebRTC GstPTZR GstQtOverlay
Reference Documentation
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Installing on USB

In order to install an image, you must identify your device ID. Check it as follows:

blkid -o list

This is an output example:

user@laptop:~$ blkid -o list
device                           fs_type      label           mount point                   UUID
--------------------------------------------------------------------------------------------------------------------------------
/dev/sda1                        ext4                         /                             819c76f8-187f-46e9-b0c0-350032625bb3
/dev/sda3                        ext4         data            /media/user/data              571e7aea-202e-4daa-8071-a1fc1207f458
/dev/sda5                        swap                         [SWAP]                        4018cfb5-4201-4656-a005-4fe04d06dde1
/dev/sdb1                        ext4         USB_STICK       (not mounted)                 d452f917-25c8-46a2-9b6e-4a58dcb1e8f1

Considerations

Each device has numbers at the end, those numbers are related to partitions and they must not be specified to install the image. As example, instead of /dev/sdb1, use /dev/sdb.

Also, the device must be not mounted to successfully write the image.

If the required device appears with a mount point, unmount each partition with umount command.

PARTITION=/dev/sdb1 # The device may change in your system
sudo umount $PARTITION

Dependencies

You need the package bmap-tools which includes bmaptool that is used to flash the device. Run the following command to install it:

sudo apt-get install bmap-tools

Installing

Yocto supports several image formats, as example ext4, img and wic.

Those files will be created in <Yocto_Dir>/build/tmp/deploy/images/nitrogen8m.

Recent Yocto versions (Sumo and newer) have wic image type as default format, use bmaptool as follows:

IMAGE=fsl-image-multimedia-full-nitrogen8m.rootfs.wic
DEVICE=/dev/sdb # The device may change in your system
sudo bmaptool copy $IMAGE $DEVICE --nobmap