[Buildroot] Questions on buildroot device_table.txt file and how to use it

Matt Wood mattwood2000 at gmx.net
Tue Dec 16 22:04:59 UTC 2008

You should change the target/device/Atmel/root/device_table.txt file.  I have uncommented the /dev/sda and /dev/sdb entries for external flash devices.  The easiest way I've found to rebuild the filesystem after changes like that is to delete the contents of binaries/project_name/*.  Then just execute make from the top level of buildroot and it will rebuild your RFS with the correct changes.

Regards, Matt. 

-------- Original-Nachricht --------
> Datum: Tue, 16 Dec 2008 16:01:31 -0600
> Von: "Tim Barr" <tbarr at multitech.com>
> An: buildroot at uclibc.org
> Betreff: [Buildroot] Questions on buildroot device_table.txt file and how to	use it

> I have been having a problem with missing devices in buildroot for my
> at91sam9g20 design, specifically rtc0 and ppp. The kernel has ppp
> enabled and sets the rtt to rtc0. But the RFS does not have drivers for
> either in the /dev directory. Doing some research I found a file in
> buildroot called device_table.txt that looks like what I need to modify
> in order to make these drivers available in my build. One thing I am not
> sure of is which version of this file I should modify. There is one in
> "target/generic" and also in "target/device/Atmel/root". Which one
> should I change? Also, it is not clear to me if it is possible to have
> board specific device_table.txt files. Is that possible? And if so, how
> would I do it? 
> Timothy Barr
> Hardware Development Engineer
> for Multi-Tech Systems, Inc.
>  <mailto:tbarr at multitech.com> tbarr at multitech.com 

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