linux-kernel - Kernel for olpc-1.75

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Message-ID: <20140607225356.GA5696@amd.pavel.ucw.cz>
Date:	Sun, 8 Jun 2014 00:53:56 +0200
From:	Pavel Machek <pavel@....cz>
To:	kernel list <linux-kernel@...r.kernel.org>, chris@...ntf.net,
	dsd@...too.org, dsd@...top.org
Subject: Kernel for olpc-1.75

Hi!

I broke installation on olpc-1.75, and I guess its time for it to
start running self-compiled kernel. (It still boots if I hold right
game key, but I can no longer control backlight. It does not boot at
all by default.)

AFAICT, olpc.fth and zImage in the boot/ directory of USB disk should
do the trick.

Unfortunately, 3.0 based kernels no longer compile with current tools,
so I tried this version (3.6 based).

commit 2a873e0e3681412ccc82a646630ffaf119d36af0
Author: Chris Ball <cjb@...top.org>
Date:   Wed Aug 22 18:51:58 2012 -0400

    Revert "ARM: mmp: Send decompress and debug output to UART3
    instead of UART2

    This reverts commit 8fb8e2ccffd5387c4a5e4e5294270fa61716eb51.

Unfortunately, no output at all with
arch/arm/configs/xo_175_defconfig.

I tried replacing all =m's in .config with =y, but still no output.

Is there more recent kernel to work with? Is 2a87... somehow buggy?
Did I miss some critical step? Will recent mainline run on olpc
unmodified?

Thanks,
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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