U-Boot FAQ

How do I use U-Boot to store binaries in FLASH ?

A: One U-Boot available on the board, you can use it to flash binaries on storage media. The following examples can be used for Linux kernel, root filesystem or whatever you binary you want on your FLASH storage media :

How do I access U-Boot environment while Linux is running ?

A: U-Boot provides little command line tool to access environment from Linux. It is located in U-Boot source code tree : tools/env directory. You will certainly have to tailor your MTD partitioning to identify the U-Boot environment in one MTD partition.
Have a look at the U-Boot README documentation for fw_env.

Here is a post in at91.com forum that talks about modifying U-Boot parameter out of Linux.

WebFaqBaseForm
Boards

Components U-Boot
Summary Some U-Boot FAQ entries
r3 - 15 Sep 2015 - 14:49:50 - NicolasFerre
 
Linux & Open Source related information for AT91 Smart ARM Microcontrollers

Copyright © by the contributing authors. All material on this collaboration platform is the property of the contributing authors.

Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries.

Atmel® and others, are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. This site is powered by the TWiki collaboration platform

ARM® and others are registered trademarks or trademarks of ARM Ltd. Other terms and product names may be trademarks of others.

Ideas, requests, contributions ? Connect to LinksToCommunities page.

Syndicate this siteRSS ATOM