Hi everyone,
I figured that the forwarded message below might be of interest to some
of you. Note that the 2.6 code that is being submitted upstream is still
pretty rough and incomplete from a peripheral driver point of view, so I
wouldn't advise it to anyone except experienced developers at this point.
(I did all my ep93xx work so far on a TS-7250, which has been a pleasure
to work with.)
cheers,
Lennert
----- Forwarded message from Lennert Buytenhek <> -----
Date: Wed, 22 Feb 2006 03:48:17 +0100
From: Lennert Buytenhek <>
To:
Subject: [linux-cirrus] ep93xx 2.6 merge status
User-Agent: Mutt/1.4.1i
Hi,
Some days ago I rewrote the core ep93xx code for inclusion into the
mainline 2.6 linux tree, the result of which is at:
http://marc.theaimsgroup.com/?l=linux-arm-kernel&m=114046583321919&w=2
Feedback so far from arm linux people has been positive. After adding
the proper credits to that patch and cleaning up the loose ends, I'll
submit it for inclusion post 2.6.16, and IMHO it has a good chance to
go in.
What we will have at that point is a mainstream kernel that supports the
debug serial port and interrupt and timer subsystems. (The ep93xx serial
port 'in the lab' appears to be compatible with the pl010 which is
supported by the in-tree amba-pl010 driver, so that should then work
too.) This work then needs to be merged back into Michael's ep93xx git
tree (which is actually the bigger chunk of work) -- I am willing to help
with that also.
The reason that I didn't just use the cirrus-based 'core' kernel code
from Michael's git tree is that that code quite simply had no chance of
being merged upstream. It took me too long to realise this, and I did
spend quite an amount of time on trying to get it into shape.
After the ep93xx core code goes in, the way is clear for merging the
peripheral drivers from Michael's tree one by one. I'd like to be the
'benevolent dictator' for that, since many of those drivers also need
cleanup and/or rewriting and I have a fairly good idea of what needs
to be done.
Thoughts?
My thanks go to Michael Burian and Ray Lehtiniemi for their key role in
the ep93xx linux community so far.
cheers,
Lennert
----- End forwarded message -----
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