From: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
To: linux-mtd@lists.infradead.org
Subject: Re: Problem with Hynix HY27UF081G2A 1Gb NAND flash?
Date: Fri, 19 Sep 2008 17:28:04 +0200 [thread overview]
Message-ID: <lyhc8ccfzv.fsf@ensc-virt.intern.sigma-chemnitz.de> (raw)
In-Reply-To: Pine.LNX.4.64.0809191409210.29177@lnxricardw.se.axis.com
Ricard Wanderlof <ricard.wanderlof@axis.com> writes:
> I'm testing the above mentioned NAND flash chip in a design
> which has previously used the corresponding 1Gb parts from
> Samsung and Numonyx (ST) without problems. However, with the
> Hynix chip, mtd won't even read the ID code, it's just as if
> the chip wasn't there (it fails with
Some Hynix NAND chips seem to have problems with bus arbitration;
e.g. they continue to shift out data when chipselect is
deasserted during a operation (e.g. because ethernet controller
was accessed in this time). We saw this with HY27UG088G5M on
PXA320 and read-page operations.
Enrico
next prev parent reply other threads:[~2008-09-19 15:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-19 12:18 Problem with Hynix HY27UF081G2A 1Gb NAND flash? Ricard Wanderlof
2008-09-19 14:52 ` Jason Liu
2008-09-19 15:28 ` Enrico Scholz [this message]
2008-09-22 9:08 ` Ricard Wanderlof
2008-09-22 9:58 ` Ricard Wanderlof
2008-09-22 12:22 ` Enrico Scholz
[not found] <48D3BA2B.1030005@gmail.com>
2008-09-19 14:53 ` Ricard Wanderlof
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