From 17a8b276ba2b3499b75cd60b0b5289dbbea7967b Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Thu, 13 Oct 2005 10:41:25 +0200 Subject: [PATCH] Add documentation for Open Firmware Flat Tree and usage. Patch by Pantelis Antoniou, 13 Oct 2005 --- CHANGELOG | 3 +++ doc/README.OFT | 28 ++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) create mode 100644 doc/README.OFT diff --git a/CHANGELOG b/CHANGELOG index 70a5141..cbb04fb 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,9 @@ 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 Patch by Pantelis Antoniou, 04 Sep 2005 diff --git a/doc/README.OFT b/doc/README.OFT new file mode 100644 index 0000000..8f00ebb --- /dev/null +++ b/doc/README.OFT @@ -0,0 +1,28 @@ +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 -- 2.7.4