From: Jerry Van Baren <gerald.vanbaren@ge.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] dtb merge
Date: Wed, 08 Apr 2009 12:10:44 -0400 [thread overview]
Message-ID: <49DCCC84.8060400@ge.com> (raw)
In-Reply-To: <49DCC565.6030409@matrix-vision.de>
Hi Andre,
Andre Schwarz wrote:
> Any ideas on how to merge device tree binaries from slave devices ?
>
> Having a PowerPC based board with various extension boards on e.g. the
> local bus with each board having some kind of PROM device (I2C, SPI
> etc.) containing a dtb ... is it possible to merge this into the
> existing boards dtb into the local bus node ?
Yes.
> Is it already working - have I missed it ?
No - no.
> If not - is someone thinking/working on it ?
We have thought about it, nobody is working on it that I am aware of.
> Any suggestions on how to do it ?
See limited thoughts in
<http://www.denx.de/wiki/U-Boot/UBootFdtInfo>
4. Proposed additional fdt commands
* merge - merge two trees. Need a conflict resolution: source tree
#1 has priority?
o David Gibson has talked about creating a "graft" function
for libfdt.
Link to David's "graft" function thoughts:
<http://article.gmane.org/gmane.linux.ports.ppc64.devel/35740>
> Regards,
>
> Andre
Best regards,
gvb
prev parent reply other threads:[~2009-04-08 16:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-08 15:40 [U-Boot] dtb merge Andre Schwarz
2009-04-08 16:10 ` Jerry Van Baren [this message]
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