Venice U-Boot Bootloader

Gateworks supports the U-Boot Bootloader for the Venice product family.

The purpose of a bootloader is to load the Linux kernel and execute it passing it configuration parameters such as an optional kernel command-line, an optional initial ramdisk filesystem, and a device-tree.

The following items are supported in the Gateworks U-Boot for Venice:

• IMX8M FEC GbE
• IMX8MP EQOS GbE
• USB Host support (USB Mass Storage and USB Networking for ASIX USB 2.0 USB Network device)
• eMMC / microSD

The following items are not currently supported in the Gateworks U-Boot for Venice:

• PCIe support (include PCIe based Gbe)

Additional resources:

• ​Pre-built boot firmware (updated from U-Boot/Linux)
• ​firmware-venice* JTAG binaries
• ​source

see uboot for more info

Restoring defaults

The Venice boot firmware has a copy of the original U-Boot env that was created during build time.

To restore default bootloader environment variables:

• At the "Hit any key to stop autoboot:" prompt press any key.

• Execute the following command:

  run restore_env && reset
  

Editing the environment

If you would like to modify the default environment you can edit the ​venice/venice.env in the Venice BSP.