SMARC-sAMX6i / Bootloader Operation
5.8
Bootloader Update
Updating the bootloader of SMARC-sAMX6i can be done by using the already implemented update script.
5.8.1
Downloading the bootloader
Please download the regarding bootloader from
Kontron's Customer Section
.
5.8.2
Updating via TFTP Server
If you have a development setup with TFT Server please unpack the downloaded archive to your server's folder. There
should be a folder named “update_smx6”.
Restoring Environment
If your U-Boot envirenment is misconfigured you can restore it with following commands:
> tftp 10800000 amx6-(correct name of the environment).txt
> env import –d –t 10800000 $filesize
> saveenv
> reset
Running Update Script
To start the update script please enter following command:
> run netupdate
With the option ”-d” of the env import command you will lose all your previous made
environmental settings.
5.8.3
Updating via USB Stick
Unpack the downloaded archive to a USB stick's first partition. There should be a folder named “update_smx6”.
Please enter following command:
> run update
5.9
Bootlogo
During starting of U-Boot, splash image from SPI-flash offset 0x100000 is loaded to RAM and afterwards displayed on
graphical panel on LVDS bus. U-Boot also supports compressed splash image with using gzip file format. A small Kontron
Logo will be displayed, in case of lack of Splash Screen image in the SPI-flash. A Kontron Bootlogo can be shown on an
LVDS panel only. To control the bootlogo behaviour following commands can be used:
> setenv panel LCD_WVGA@LVDS
Outputs the bootlogo on LVDS in panel resolution 800×480
> setenv panel LCD_WXGA@LVDS
Outputs the bootlogo on LVDS in panel resolution 1280×768
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