[PATCH] Fix AT91SAM9G20 reset

Nicolas Ferre nicolas.ferre at atmel.com
Thu Oct 14 09:34:52 EDT 2010


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 at 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




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