From: Juergen Beisert <jbe@pengutronix.de>
To: barebox@lists.infradead.org
Cc: wsa@pengutronix.de
Subject: Re: [PATCH] ARM mxs: Clear USB boot mode during startup
Date: Fri, 29 Jun 2012 15:07:37 +0200 [thread overview]
Message-ID: <201206291507.37250.jbe@pengutronix.de> (raw)
In-Reply-To: <1340974442-1687-1-git-send-email-s.hauer@pengutronix.de>
Sascha Hauer wrote:
> When the i.MX28 boots from USB, the ROM code sets this bit. When
> after a reset the ROM code detects that this bit is set it will
> boot from USB again. This means that if we boot once from USB the
> chip will continue to boot from USB until the next power cycle.
And if the RTC has a battery it will boot from USB forever...
> [...]
jbe
--
Pengutronix e.K. | Juergen Beisert |
Linux Solutions for Science and Industry | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2012-06-29 13:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-29 12:54 Sascha Hauer
2012-06-29 13:07 ` Juergen Beisert [this message]
2012-07-04 7:15 ` Sascha Hauer
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