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From: "Eric Bénard" <eric@eukrea.com>
To: Rogan Dawes <rogan@dawes.za.net>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: Porting to Marvell 88F5182?
Date: Sat, 31 Jul 2010 14:36:15 +0200	[thread overview]
Message-ID: <4C5418BF.3000301@eukrea.com> (raw)
In-Reply-To: <4C540747.7000602@dawes.za.net>

Hi Rogan,

Le 31/07/2010 13:21, Rogan Dawes a écrit :
> Since I'd be chainloading barebox from the existing U-Boot, which does
> support loadb and bootm, it probably makes the most sense initially to
> just skip the lowlevel init, and build a minimal ARM second stage, and
> wrap it in a u-boot image, I think.
>
> I tried using the at91sam9263ek_defconfig, and unsetting
> CONFIG_MACH_DO_LOWLEVEL_INIT.

that won't work : you don't have the same memory mapping so barebox has 
little chance to be in ram on your platform and, even if it was in RAM 
as soon as it will poll for the serial port tx empty bit, you will stay 
blocked because your serial port is not the same as the at91sam9263.

Eric

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  reply	other threads:[~2010-07-31 12:36 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-30 19:50 Rogan Dawes
2010-07-31 11:21 ` Rogan Dawes
2010-07-31 12:36   ` Eric Bénard [this message]
2010-07-31 15:20     ` Rogan Dawes
2010-07-31 15:49       ` Eric Bénard
2010-07-31 16:05         ` Rogan Dawes
2010-07-31 16:42           ` Eric Bénard
2010-07-31 18:41             ` Rogan Dawes
2010-07-31 19:33               ` Eric Bénard
2010-07-31 20:05                 ` Rogan Dawes
2010-08-02  5:37 ` Sascha Hauer

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