Support for Arctic platform (405LP based)

[Paul Mackerras]

Cort Dougan writes:

> How about killing the _2_4_devel tree?  When I created it I want it to be a
> playground for stabilizing then moving things over to 2_4 failry quickly.
> It seems to have become the defacto "want board X, you better use
> _2_4_devel" tree.

Now that Marcelo is using BK, what I would really like to do is to
kill both the linuxppc_2_4 and linuxppc_2_4_devel trees and move to a
tree that is a child of Marcelo's linux-2.4 tree.

> When I went looking for a working 4xx tree recently I had to write a script
> that would go through the last year of changesets in _2_4 and _2_4_devel
> and try to build them then stick the result into a file.  That ran for 7
> days on a 2.0Ghz Dual x86.  Then, that only gave me a list of building
> trees.  Knowing that there's only 1 tree would be much easier!

4xx in particular is a problem because I'm not convinced about the
approach that has been taken for some of the 4xx infrastructure.  The
ocp stuff seems a lot more complicated than it needs to be, for
instance.  There is no particular reason that I can see why the 8xx
stuff in 2_4_devel shouldn't go to Marcelo for 2.4.21.

Paul.

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