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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Juergen Beisert <jbe@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] MXS/i.MX23: add boot source detection
Date: Thu, 23 May 2013 09:54:35 +0200	[thread overview]
Message-ID: <20130523075435.GB32299@pengutronix.de> (raw)
In-Reply-To: <201305211044.12956.jbe@pengutronix.de>

On Tue, May 21, 2013 at 10:44:12AM +0200, Juergen Beisert wrote:
> The boot source for the i.MX23 is configured via a few GPIOs, which are later
> be used for different purposes (like LCD data for example). The SoC internal
> ROM reads these GPIOs and uses the selected boot source.
> 
> For various reasons the boot source is also of interest when Barebox is running.
> This detection approach reads again the GPIOs. It switches temporarily the pins
> to act as GPIOs and input, reads their settings, and switches back to their
> previous functions.
> 
> Signed-off-by: Juergen Beisert <jbe@pengutronix.de>

Applied, thanks

Sascha


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      reply	other threads:[~2013-05-23  7:54 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-17  8:18 [RFC] MXS/i.MX23: detecting the boot source Juergen Beisert
2013-05-21  6:57 ` Sascha Hauer
2013-05-21  8:01   ` Juergen Beisert
2013-05-21  8:44   ` [PATCH] MXS/i.MX23: add boot source detection Juergen Beisert
2013-05-23  7:54     ` Sascha Hauer [this message]

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