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Date: Mon, 23 Aug 2010 10:22:05 +0200
From: Matthieu CASTET <matthieu.castet@parrot.com>
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To: Kevin Cernekee <cernekee@gmail.com>
Subject: Re: [PATCH v2] mtd/nand: Support Micron chips, pagesize >= 4KB
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Cc: Maxim Levitsky <maximlevitsky@gmail.com>,
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hi,

Kevin Cernekee a écrit :
> On Sun, Aug 22, 2010 at 1:20 AM, Artem Bityutskiy <dedekind1@gmail.com> wrote:
>> I'm not picking this patch to my l2-mtd-2.6.git, since AFAICS the chips
>> support ONFI should be detected properly.
>>
>> The "older chips" which do not support reading ONFI data can then be
>> detected using special quirks. But using heuristics even for the chips
>> which do support reading ONFI data sounds bad.
> 
> The NAND controllers on certain legacy SoCs are not able to read the
> ONFI parameter page, even if the flash device itself supports ONFI.
Why ?
Are there controllers that doesn't allow to send custom command ?

Matthieu