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Before powering up the board for the first time it is recommended to select the boot media. In order to configure the boot media, please refer to HummingBoard RZ/G2LC Boot Select .

Generating Yocto, Buildroot and Debian image

Yocto

1. Clone the repository from the “List of supported OS” link and move your terminal to this directory.

2. Download the layers by this command

   Code Block
   $ repo init -u https://github.com/SolidRun/meta-solidrun-arm-rzg2lc.git -b dunfell -m meta-solidrun-arm-rzg2lc.xml $ repo sync

3. In this stage you can modify your image configs as you want, you can find more info about it the the repository.

4. For graphics support you need to explore in the readme file in the github and follow the instructions of this utility.

5. Set the environment of the image that going to be build by this command

   Code Block
   $ TEMPLATECONF=$PWD/meta-solidrun-arm-rzg2lc/docs/template/conf/rzg2lc-solidrun source poky/oe-init-build-env build

6. Build your own Yocto image by this command

   Code Block
   $ MACHINE=rzg2lc-hummingboard bitbake <target>

   • NOTE: Choose your relevant target, for example:
     -core-image-bsp: cli image.
     -core-image-weston: graphical image.
     -core-image-qt: graphical image including qt.

Buildroot/Debian

1. Clone the repository from the “List of supported OS” link and move your terminal to this directory.

2. In this stage you can modify your image configs as you want, you can find more info about it the the repository.

3. Build your own image by this command

   Code Block
   $ MACHINE=rzg2lc-hummingboard Distro=<Buildroot/Debian> ./runme.sh

Booting from SD card

The following shows how to set the switches on the boot source selector:

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Once you set the switches, you can apply the following for booting from SD card:

1. Downloading the Debian image
   Download the image (for example Debian image ) by running the following command on your Linux/Windows PC:

   Code Block
   wget https://solid-run-images.sos-de-fra-1.exo.io/RZ/rzg2lc_build/20231122-6391518Debian/build_date_20240529-git_rev_f22483f/rzg2lc-solidrun-sd-emmc-debian-6391518f22483f.img.xz

   • For more Debian releases, please visit Debian Releases for RZ/G2LC.

2. Writing the image to the SD card
   Use the following commands for writing the image to an SD card:

   Code Block
   xz -dc rzg2lc-solidrun-sd-emmc-debian-6391518f22483f.img.xz | dd of=/dev/sdX bs=4k conv=fdatasync

   • For more information, please visit Flashing an SD Card .

   • Note:Plug a micro SD into your Linux PC, the following assumes that the USB-Disk / Micro-SD is added as /dev/sdX and all it’s partitions are unmounted.

   • Note: You can use the following command for writing to the SD in case you generated your own image:

     Code Block
     $ sudo dd if=/your/image/path of=/dev/sdX bs=4k conv=fdatasync

3. SD card insertion
   Please Insert the SD card into your device.

4. Power connection
   Connect your power adaptor to the DC jack, and then connect the adaptor to mains supply.

5. Power On
   Hold on the On/Off Power button - SW1 (as shown in the figure below)

   

   • Note: The system should turn on by default when the power is connected (without pressing the button).

6. Serial Connection
   Please insert the micro USB into your device, then you can refer to Serial Connection for installing necessary serial connection software in Linux/Windows.
   Once you installed the necessary serial connection software, you should be able to see the following:

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The following stages need to be done in order to finalise the imaging from the computer after flashing it.

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:

1. Run fdisk /dev/sda2.
   $ sudo e2fsck -f /dev/sda2.
   $ sudo resize2fs /dev/sda2.
   $ sudo parted /dev/sda.
   $ (parted) resizepart 2.
   $ (parted) 15000 .

2. Boot your device.

3. mmcblk0 if using SD or eMMC.

4. Recreate the rootfs partition (mostly the second partition) by deleting it and then creating a new partition that starts at the next sector after the first one and extends to the end of the drive (or less depending on your needs).

5. Write the new partition, when prompt about ‘Do you want to remove the signature?’ then answer with Yes.

6. Run resize2fs /dev/mmcblk0p2 if using SD Card or eMMC.

7. In this stage the root partition should be big enough to start populating it; but first update the RTC clock.

8. Connect the RJ45 to your network with internet access (and DHCP server); and then run dhclient.

9. Update the RTC clock by running ntpdate pool.ntp.org and then hwclock -w.

10. Run apt-update commands below and then populate the root filesystem as you wish.

$ apt-get update && apt-get upgrade -y

Here is an example of the process until the 3rd step (include):

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After those steps you should end the process in this way (step 4 to the end):

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In the end you should see with “lsblk” that the partition size is in the required size.

More Features

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OS
	Debian
	RZ/G2LC Yocto
	Buildroot

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Build from source

• https://github.com/SolidRun/build_rzg2lc

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