Digi 90000852_C U-Boot Reference Manual

This document provides an overview of the U-Boot Reference Manual, including the definition, features, and boot process of U-Boot.

Digi 90000852_C U-Boot Reference Manual - cover page
Brand
U-Boot
Category
Other Electronics
Document type
User Manual
Language
English
Pages
32
File format
PDF
File size
197 KB
Published
09 May, 2012
Updated
28 September, 2023
MD5 checksum
3B90EA02A763FB6BE11A84A81846A864
PDF
Digi 90000852_C U-Boot Reference Manual PDF

About this manual

The Digi 90000852_C U‑Boot Reference Manual provides detailed information on using the U‑Boot boot loader on Digi ConnectCore hardware. It covers conventions, acronyms, the boot process, built‑in commands, environment variables, firmware update commands, and development guidelines.

The manual includes command syntax, examples, and hardware specifications such as memory size, CPU type, and supported interfaces. It also explains how to stop automatic booting, configure network settings, and update flash images.

What's inside

  • Conventions used in this manual
  • Acronyms and Abbreviations
  • Introduction
  • U‑Boot commands
  • Environment variables
  • Boot commands
  • Firmware update commands
  • U‑Boot development
  • Index

Specifications

DRAM64 MB
NAND Flash128 MiB
CPUNS9360 @ 154.828800 MHz
Serial consoleserial

Frequently asked questions

How can I stop the automatic boot (autoboot) process?

Press any key on the serial console during the countdown to interrupt autoboot and obtain the U‑Boot command prompt.

In what numeric format does U‑Boot assume numbers?

All numbers are interpreted as hexadecimal values.

Which command displays board information?

Use the `bdinfo` command to print the Board Info structure.

How can I load a kernel image via Ethernet?

Use the `tftpboot` command to download the image over the network using TFTP.

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