From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] u-boot boot process is broken, how do i recover?
Date: Sun, 7 Apr 2013 10:08:22 +0200 [thread overview]
Message-ID: <20130407100822.4f45750f@skate> (raw)
In-Reply-To: <20130404144718.1b758045@lilith>
Dear Albert ARIBAUD,
On Thu, 4 Apr 2013 14:47:18 +0200, Albert ARIBAUD wrote:
> Since you seem to have a binary meant for UART booting, yes, you might
> try sending it to the board; with any luck that'll allow you to inspect
> and possibly revert your U-Boot environment into what it was before the
> bricking. As to how... any serial app with Xmodem should work, I
> presume. If the transfer starts, chances are the image will run
> automatically.
No, any app doing Xmodem will not work. In order to turn the Marvell
Kirkwood romcode into UART boot mode, you have to send a series of
magic bytes to the UART. This is what kwboot does before sending the
binary using the Xmodem protocol.
Best regards,
Thomas
--
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
next prev parent reply other threads:[~2013-04-07 8:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-03 8:13 [U-Boot] u-boot boot process is broken, how do i recover? JPT
2013-04-03 9:00 ` Albert ARIBAUD
2013-04-03 11:30 ` JPT
2013-04-03 11:55 ` Albert ARIBAUD
2013-04-04 8:18 ` Thomas Petazzoni
2013-04-04 9:17 ` Albert ARIBAUD
2013-04-04 10:21 ` JPT
2013-04-04 12:47 ` Albert ARIBAUD
2013-04-07 8:08 ` Thomas Petazzoni [this message]
2013-04-07 17:40 ` Albert ARIBAUD
-- strict thread matches above, loose matches on Subject: below --
2013-10-18 16:12 Philippe Noisette
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