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From: Sascha Hauer <s.hauer@pengutronix.de>
To: "Boulais, Marc-Andre" <maboulais@rheinmetall.ca>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: Specify where to save Barebox env
Date: Thu, 19 Feb 2015 22:16:55 +0100	[thread overview]
Message-ID: <20150219211655.GE12209@pengutronix.de> (raw)
In-Reply-To: <29A2697B0516A946B1023D5E798DFCF67BACD8E7@mail-yang>

On Thu, Feb 19, 2015 at 08:32:54PM +0000, Boulais, Marc-Andre wrote:
> The system I am working on requires to boot from the SD card. However,
> the Linux application needs to have the ability to change boot
> parameters to set the location of the kernel and rootfs for the next
> boot. I was planning on making the Linux application use the
> bareboxenv-target tool to map the Barebox environment and then modify
> variables accordingly. 
> 
> From what I understand, this is possible when the environment is in
> NAND. Is it also true if the env. is on the SD card (barebox.env file)
> ? if so, how is it done ?

You have to mount the partition containing the environment before using
the bareboxenv tool.

BTW you to always store the environment on Nand you would have to
comment out the omap_env_init function.

Sascha

-- 
Pengutronix e.K.                           |                             |
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      reply	other threads:[~2015-02-19 21:17 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-18 19:55 Boulais, Marc-Andre
2015-02-19 20:08 ` Sascha Hauer
2015-02-19 20:32   ` Boulais, Marc-Andre
2015-02-19 21:16     ` Sascha Hauer [this message]

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