From: Ben Warren <biggerbadderben@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Changing u-boot parameter from linux.
Date: Tue, 02 Sep 2008 12:42:33 -0700 [thread overview]
Message-ID: <48BD9729.8020808@gmail.com> (raw)
In-Reply-To: <200809021852.m82Iqi2i032297@mail.corelis.com>
Hi Brian,
Brian S. Park wrote:
> Hi all,
> What is the recommended way to update u-boot parameter (such as
> network IP) from linux? In the past, I just updated the parameter
> sector in the flash by calculating the check sum and wrote the new
> data to the flash directly from linux application. This works ok if
> u-boot is not updated. I realized that u-boot has changed the way it
> writes the parameter to the flash since we used in on our last
> hardware (version 1.0.0) and am wondering if there is a better way to do this.
>
Use the fw_printenv/fw_setenv application in the tools/env directory.
It's a user-space app that can access your environment if you make it
visible through MTD.
regards,
Ben
prev parent reply other threads:[~2008-09-02 19:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-02 18:52 [U-Boot] Changing u-boot parameter from linux Brian S. Park
2008-09-02 19:42 ` Ben Warren [this message]
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