linux-kernel - Re: [ARM] Regression ? at91rm9200 machine-type

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Date:	Wed, 27 Aug 2008 12:09:58 +0200
From:	Claudio Scordino <claudio@...dence.eu.com>
To:	Ben Dooks <ben-linux@...ff.org>
CC:	lg@...x.de, rmk+kernel@....linux.org.uk,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	marc.pignat@...s.ch
Subject: Re: [ARM] Regression ? at91rm9200 machine-type

Ben Dooks ha scritto:
> On Tue, Aug 26, 2008 at 12:30:01PM +0200, Claudio Scordino wrote:
>> Hi,
>>
>>    I have a custom board equivalent to AT91RM9200DK.
> 
> Is that exactly the same, or does it have changes?

No, it's really equivalent, that's why I used the same configuration.

> 
> Note, this should have been sent to the linux-arm-kernel list, where
> it will be read by more of the developers who work on ARM, we don't
> all have time to sit on linux-kernel.

I see. I thought the right place for this kind of question was the
LKML. I will use linux-arm-kernel for future issues about Linux on ARM.

Anyway, eventually I found out that this is a bug of U-Boot (see
later) and not of Linux.

> 
>> After commit
>>
>> 87fee013a23ad02821699aef5b76891b42959182
>>
>> [ARM] 4647/1: at91rm9200: Remove redundant machine-type verification
>> and manipulation
>>
>> I cannot boot my board anymore.
> 
> Hmm, having looked at this, it would be very probably that your
> u-boot is not passing the right boot information to the kernel.

Right. U-Boot does not pass the right value when compiled for the
AT91RM9200DK board... I'm going to send an email to the U-Boot ML to
fix this bug.

Many thanks to all,

               Claudio



-- 
Ing. Claudio Scordino		
Software Engineer, PhD
Tel. +39-050-5492050
http://retis.sssup.it/~scordino/

Evidence Srl
Embedded Real-Time Solutions
http://www.evidence.eu.com

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