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Linux 5.10, Trizeps VIII (-/Mini/Nano)

Linux 5.10.9 based on Android 11.0.0_2.0.0 ssh://

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Kernel Binaries

Date Changelog Download
28.02.2022 linux-5.10.9-modules.tar.gz

How to Build Linux Kernel for Trizeps VIII & Trizeps VIII Mini

This is only a quick-reference on how to build a Linux Kernel including Keith & Koep specific changes.
For details please view the Linux and NXP i.MX8M documentation.

Get the source code of linux-imx from git repository:

$ mkdir linux-imx
$ git clone -b kuk_lf-5.10.y_android

Setup Cross-Build environment (View Software-Development-Kit on how to install.):

$ . /opt/fsl-imx-wayland/5.10-hardknott/environment-setup-cortexa53-crypto-poky-linux
$ export ARCH=arm64

Build Linux-Kernel from source code:

~/linux-imx$ make kuk_defconfig
~/linux-imx$ make

This will generate linux kernel ('Image') and device-tree binary ('*.dtb') files.


After you generated the kernel, you might want to build the kernel-modules:

~/linux-imx$ make modules_install INSTALL_MOD_PATH=~/linux-imx-modules

Note: When the kernel boots it loads kernel-modules from the root-filesystem at '/lib/modules/<kernel-build-number>' (i.e. /lib/modules/5.10.9).
Note: if kernel stops compiling missing bio.h : –> apt install libssl-dev

Update Kernel

Updating the kernel involves to copy 'Image' and the kernel-module directory to the device.
If the kernel-build-version did not change, copy of the kernel-module directory can be omitted.

Update using USB and bootloader

Enter the bootloader command console and run:

u-boot=> ums 0 mmc 0

This will configure the USB-OTG port to emulate a USB-Mass-Storage device.

$ lsblk
sda      8:0    0   240G  0 disk 
├─sda1   8:1    0   232G  0 part /
└─sda2   8:2    0     8G  0 part 
sde      8:64   1   3,8G  0 disk 
└─sde1   8:65   1   3,8G  0 part /media/imx6/9016-4EF8
sdf      8:80   1   7,1G  0 disk 
├─sdf1   8:81   1   500M  0 part /media/imx6/00BA-BF8A
└─sdf2   8:82   1   6,6G  0 part /media/imx6/fd195515-0a44-4a7e-9387-bec6087f37ac
sr0     11:0    1  1024M  0 rom  

After calling 'ums 0 mmc 0' a new device 'sdf' appears in the list of mounted devices.

Copy the kernel-'Image' and device-tree binary files to the first partition.

$ cp ~/linux-imx/arch/arm64/boot/Image /media/imx6/00BA-BF8A/Image
$ cp ~/linux-imx/arch/arm64/boot/dts/keithkoep/*.dtb /media/imx6/00BA-BF8A/

Copy the kernel-modules-directory to the second partition that contains the root-filesystem.

cp -r ~/linux-imx-modules/* /media/imx6/fd195515-0a44-4a7e-9387-bec6087f37ac

Hints on using the Kernel

Device Tree

The Linux-kernel will use a Device-Tree-Binary file (.dtb) to determine how the Trizeps module is used in a system (i.e. which drivers to load). The device-tree files can be found at:


When building the Linux-kernel .dts source-files are converted to .dtb binary files.

DeviceTree (dtb) Module Description Trizeps VIII Mini Trizeps VIII Mini in i-PAN T7 V1 panel Trizeps VIII Mini Trizeps VIII Mini in i-PAN T7 V2 panel Trizeps VIII Mini Trizeps VIII Mini in pConXS V1 with capacitive touch EDT 7inch display Trizeps VIII Mini Trizeps VIII Mini in pConXS V2 with capacitive touch EDT 7inch display Trizeps VIII Mini Trizeps VIII Mini in pConXS V3 with ATM0700 7inch display Trizeps VIII Mini Trizeps VIII Mini in pConXS V3 with AM19201080 10inch display SBCSOM SBCSOM with ATM0700 7inch display SBCSOM SBCSOM with HDMI display

When you open the u-boot command prompt and output the environment, you can determine which device-tree is used:

u-boot=> env print -a

To change this you can call:

u-boot=> env set fdt_file kuk-trizeps8-pconxs-edt7.dtb
u-boot=> env save

'env save' will store this setting for subsequent boots.


To have a full running Linux-system you will need:

  • Bootloader ( U-Boot, Trizeps VIII Mini ), which loads the Device-Tree and Linux-Kernel.
  • Linux Kernel
  • Root-Filesystem, which contains applications, configuration files etc.

There are different approaches on how to create a root-filesystem.
Basicly its a linux-distribution like Debian, where the system is put together by packages or like Yocto, where recipes define what needs to be built and put inside the file-system:

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service/linux/kernel/linux510t8.txt · Zuletzt geändert: 2022/08/10 15:55 von