Revision 226da55f48651c59ae5dc6a46cb4183105e7f17d authored by Leonid Yegoshin on 05 November 2014, 12:56:40 UTC, committed by Markos Chandras on 17 February 2015, 15:37:18 UTC
EI/DI instructions are available in MIPS R6 so add the needed definitions. Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
1 parent 6a0e986
dynamic-resolution-notes.txt
Device Tree Dynamic Resolver Notes
----------------------------------
This document describes the implementation of the in-kernel
Device Tree resolver, residing in drivers/of/resolver.c and is a
companion document to Documentation/devicetree/dt-object-internal.txt[1]
How the resolver works
----------------------
The resolver is given as an input an arbitrary tree compiled with the
proper dtc option and having a /plugin/ tag. This generates the
appropriate __fixups__ & __local_fixups__ nodes as described in [1].
In sequence the resolver works by the following steps:
1. Get the maximum device tree phandle value from the live tree + 1.
2. Adjust all the local phandles of the tree to resolve by that amount.
3. Using the __local__fixups__ node information adjust all local references
by the same amount.
4. For each property in the __fixups__ node locate the node it references
in the live tree. This is the label used to tag the node.
5. Retrieve the phandle of the target of the fixup.
6. For each fixup in the property locate the node:property:offset location
and replace it with the phandle value.
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