From: Peter Korsgaard <jacmet@sunsite.dk>
To: u-boot@lists.denx.de
Subject: [U-Boot] u-boot on ARM PIC?
Date: Wed, 13 Jan 2010 21:54:11 +0100 [thread overview]
Message-ID: <87bpgxraj0.fsf@macbook.be.48ers.dk> (raw)
In-Reply-To: <20100113205017.6891D3F6DA@gemini.denx.de> (Wolfgang Denk's message of "Wed, 13 Jan 2010 21:50:17 +0100")
>>>>> "Wolfgang" == Wolfgang Denk <wd@denx.de> writes:
Hi,
>> I'll soon start an ARM based project (at91sam9g45), and am looking into
>> booting options. I normally use PPC, so I'm not really familiar with the
>> finer details of U-Boot on ARM. I would like to use a failsafe setup
>> with 2x U-Boot images in NOR flash, and a mini bootloader (probably
>> at91bootstrap based) to decide which to use. For that to work nicely,
>> U-Boot would have to be PIC (pre-relocation).
Wolfgang> Not really. Two different images linked for the respective
Wolfgang> addresses would do fine, too.
Sure, but having a single image (certainly for a ping-pong system,
E.G. where you keep the current and previous image) a single position
independent image is nicer.
Does that work with u-boot on at91 given !SKIP_RELOCATE_UBOOT
& !CONFIG_LOWLEVEL_INIT?
--
Bye, Peter Korsgaard
next prev parent reply other threads:[~2010-01-13 20:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-13 10:37 [U-Boot] u-boot on ARM PIC? Peter Korsgaard
2010-01-13 20:50 ` Wolfgang Denk
2010-01-13 20:54 ` Peter Korsgaard [this message]
2010-01-13 22:23 ` Ladislav Michl
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