From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: "Murthy, Ramana" <Ramana.Murthy@microsemi.com>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: help -- barebox on ARM Cortex M3
Date: Tue, 17 May 2011 12:42:54 +0200 [thread overview]
Message-ID: <20110517104254.GB2737@game.jcrosoft.org> (raw)
In-Reply-To: <6F2524F76379064FB8CB9CEE698D56DA8D40DE20D3@IN-MSG-01.amer.actel.com>
Hi,
please do not write HTML e-mail use plain/text
On 14:07 Tue 17 May , Murthy, Ramana wrote:
> Hi All,
>
>
>
> I am new to barebox. Now a days I am trying to port a good bootloader onto
> ARM Cortex M3 based board. The board has enough memory, Serial and
> Ethernet interfaces.
>
> Only thing lacking in Cortex M3 is MMU. Instead there is MPU(Memory
> Protection Unit).
>
>
>
> Does barebox support ARM devices without MMU? If Yes, please point me to
> the related links.
Basicaly Barebox does not enable the MMU on ARM but actually the assembly is
not write to be 100% compliant with Thumb2. Otherwise you will not have big
issue to add the M3 support
To enable the MMU you need to enable CONFIG_MMU otherwise noMMU enabled by
default
Best Regards,
J.
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prev parent reply other threads:[~2011-05-17 10:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-17 8:37 Murthy, Ramana
2011-05-17 10:42 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
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