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Add documentation for Open Firmware Flat Tree and usage.

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Patch by Pantelis Antoniou, 13 Oct 2005
This commit is contained in:
Wolfgang Denk 2005-10-13 10:41:25 +02:00
parent 0f3f901496
commit 17a8b276ba
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CHANGELOG
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Changes for U-Boot 1.1.4: Changes for U-Boot 1.1.4:
====================================================================== ======================================================================
* Add documentation for Open Firmware Flat Tree and usage.
Patch by Pantelis Antoniou, 13 Oct 2005
* Add missing files for Pantelis Antoniou's patch * Add missing files for Pantelis Antoniou's patch
Patch by Pantelis Antoniou, 04 Sep 2005 Patch by Pantelis Antoniou, 04 Sep 2005

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doc/README.OFT Normal file
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Open Firmware Flat Tree and usage.
----------------------------------
As part of the ongoing cleanup of the Linux PPC trees, the preferred
way to pass bootloader and board setup information is the open
firmware flat tree.
Please take a look at the following email discussion for some
background.
http://ozlabs.org/pipermail/linuxppc-dev/2005-August/019408.html
http://ozlabs.org/pipermail/linuxppc-dev/2005-August/019362.html
The generated tree is part static and part dynamic.
There is a static part which is compiled in with DTC and a dynamic
part which is programmatically appended.
You'll need a fairly recent DTC tool, which is available by git at
rsync://ozlabs.org/dtc/dtc.git
The xxd binary dumper is needed too which I got from
ftp://ftp.uni-erlangen.de/pub/utilities/etc/xxd-1.10.tar.gz
Pantelis Antoniou, 13 Oct 2005