From: Eric BENARD <ebenard@free.fr>
To: u-boot@lists.denx.de
Subject: [U-Boot] Incorrect Chip ID for Micrel Nand Flash on AT91SAM9260 board
Date: Fri, 17 Oct 2008 11:52:43 +0200 [thread overview]
Message-ID: <48F8606B.1020005@free.fr> (raw)
In-Reply-To: <179373d80810170249y4aa91406u4eab2af9d28f5f4f@mail.gmail.com>
Hi Kevin,
Kevin Greer a ?crit :
> I am working with a custom board based on the Atmel at91sam9260 arm
> processor with a Micrel 2 Gb Nand flash chip (mt29f2g08aadwp). However,
> when u-boot starts it reports the wrong Chip ID (0x01 instead of 0xda) and
> then I start getting Bad eraseblock messages during the rest of the boot
> process. The strange thing is that when I debug the board using a JTAG it
> gets the correct Chip ID and boots properly. I am hoping that someone else
> might have run into a similar problem, or might have an idea of how to
> proceed.
>
try sending a reset command to the nand before getting the ID, this
should solve the problem.
Eric
prev parent reply other threads:[~2008-10-17 9:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-17 9:49 [U-Boot] Incorrect Chip ID for Micrel Nand Flash on AT91SAM9260 board Kevin Greer
2008-10-17 9:52 ` Eric BENARD [this message]
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