Changes between Initial Version and Version 1 of venice/bootloader

Timestamp:

02/29/2024 09:25:44 PM (9 months ago)

Author:

Tim Harvey

Comment:

create a dedicated uboot page for venice

venice/bootloader

@@ +1 @@
+[[PageOutline]]
+
+
+[=#u-boot]
+== 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:
+ * [http://dev.gateworks.com/venice/boot_firmware/ Pre-built boot firmware (updated from U-Boot/Linux)]
+ * [http://dev.gateworks.com/venice/images/ firmware-venice* JTAG binaries]
+ * [https://github.com/gateworks/uboot-venice source]
+
+see [wiki:uboot] for more info
+
+
+[=#default]
+== 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:
+{{{#!bash
+run restore_env && reset
+}}}
+
+== Editing the environment
+If you would like to modify the default environment you can edit the [https://github.com/Gateworks/bsp-venice/blob/master/venice.env venice/venice.env] in the Venice BSP.