From: John W. Linville <linville@lvl7.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] Download of kernel Image through Serial Line.
Date: Wed, 29 Jan 2003 09:23:09 -0500 [thread overview]
Message-ID: <3E37E3CD.1080905@lvl7.com> (raw)
In-Reply-To: Pine.LNX.4.52.0301291047410.8927@mag.devdep.sysgo.de
Marius Groeger wrote:
> On Wed, 29 Jan 2003 Christophe.LINDHEIMER at fr.thalesgroup.com wrote:
>>- If I eventually manage to launch Linux, is it possible to have NFS
>>over serial line ?
>
> Well, not as a root file system. You can boot into a small RAM disk
> and set up a ppp link, though.
Actually, it is possible to mount the root FS via NFS over PPP. We have
done so for development purposes on some of our systems with no ethernet
service ports. The performance is limited, but once a binary (and it's
associated libraries) are cached into memory, the system is reasonably
responsive.
The trick is to use an initrd with a linuxrc file that sets-up the PPP
link. The "root=" command line argument should be "/dev/nfs" and either
an "ip=" or "nfsroot=" line should be used. I can be more specific if
someone wants more information.
John
--
John W. Linville
LVL7 Systems, Inc.
next prev parent reply other threads:[~2003-01-29 14:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-29 9:38 [U-Boot-Users] Download of kernel Image through Serial Line Christophe.LINDHEIMER at fr.thalesgroup.com
2003-01-29 9:52 ` Marius Groeger
2003-01-29 14:23 ` John W. Linville [this message]
2003-01-29 14:51 ` Marius Groeger
2003-01-29 10:51 ` wolfgang.grandegger at bluewin.ch
-- strict thread matches above, loose matches on Subject: below --
2003-01-29 10:09 Christophe.LINDHEIMER at fr.thalesgroup.com
2003-01-29 10:25 ` Marius Groeger
2003-01-29 10:57 ` AUBERT Cedric
2003-01-30 8:20 ` Wolfgang Denk
[not found] <81A66F72DCACD511B0600002A551BFCB4E9D08@kuumex05.barco.com>
2003-01-29 11:06 ` Marius Groeger
[not found] <E18dykw-0005Vh-00@sc8-sf-list2.sourceforge.net>
2003-01-30 2:44 ` leeyang
2003-01-30 14:38 ` Wolfgang Grandegger
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