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From: nicolas.ferre@atmel.com (Nicolas Ferre)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] Fix AT91SAM9G20 reset
Date: Thu, 14 Oct 2010 15:34:52 +0200	[thread overview]
Message-ID: <4CB706FC.3000308@atmel.com> (raw)
In-Reply-To: <20100528153725.GA5102@axolotl.localnet>

Le 28/05/2010 17:37, Peter Horton :
> Fix AT91SAM9G20 as per the errata in the datasheet.
> 
> If the SDRAM is not cleanly shutdown before reset it can be left driving
> the bus, which then stops the bootloader booting from NAND.
> 
> Signed-off-by: Peter Horton <phorton@bitbox.co.uk>

Thanks a lot for writing this patch. I am in the process of reviewing it
and extending it to other processors.

[..]

> --- /dev/null	1970-01-01 00:00:00.000000000 +0000
> +++ linux-2.6.32/arch/arm/mach-at91/at91sam9g20_reset.S	2009-12-09 13:33:28.000000000 +0000
> @@ -0,0 +1,52 @@
> +/*
> + * (C) BitBox Ltd 2010
> + *
> + * reset AT91SAM9G20 as per errata
> + *
> + * unless the SDRAM is cleanly shutdown before we hit the
> + * reset register it can be left driving the data bus and
> + * killing the chance of a subsequent boot from NAND

Can I add License sentence to this file? Like this one:

 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.

Best regards,
-- 
Nicolas Ferre

  parent reply	other threads:[~2010-10-14 13:34 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-28 15:37 [PATCH] Fix AT91SAM9G20 reset Peter Horton
2010-06-21 14:30 ` Lucas
2010-06-21 15:14   ` Peter Horton
2010-10-14 13:34 ` Nicolas Ferre [this message]
2010-10-14 15:31   ` Peter Horton
2010-10-14 17:25 ` [PATCH 1/5] Fix AT91SAM9G20 reset as per the errata in the data sheet Nicolas Ferre
2010-10-14 17:25   ` Nicolas Ferre
2010-10-15 12:29   ` Jean-Christophe PLAGNIOL-VILLARD
2010-10-15 12:29     ` Jean-Christophe PLAGNIOL-VILLARD
2010-10-19 10:05     ` Nicolas Ferre
2010-10-19 10:05       ` Nicolas Ferre
2010-10-14 17:25 ` [PATCH 2/5] AT91: trivial: align comment of at91sam9g20_reset with one more tab Nicolas Ferre
2010-10-14 17:25   ` Nicolas Ferre
2010-10-14 17:25 ` [PATCH 3/5] AT91: reset routine cleanup Nicolas Ferre
2010-10-14 17:25   ` Nicolas Ferre
2010-10-14 17:25 ` [PATCH 4/5] AT91: rename at91sam9g20_reset.S to generalize to several chips Nicolas Ferre
2010-10-14 17:25   ` Nicolas Ferre
2010-10-14 17:25 ` [PATCH 5/5] AT91: reset: extend alternate reset procedure " Nicolas Ferre
2010-10-14 17:25   ` Nicolas Ferre
  -- strict thread matches above, loose matches on Subject: below --
2010-04-13  8:31 [PATCH] Fix AT91SAM9G20 reset Peter Horton
2009-12-15  9:59 Peter Horton
2009-12-09 13:50 Peter Horton
2009-12-09 14:09 ` Paulius Zaleckas

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