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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] Bug of NOR Flash CFI Driver
Date: Sat, 14 Jan 2012 00:26:37 +0100	[thread overview]
Message-ID: <20120113232637.D503D11CDEDB@gemini.denx.de> (raw)
In-Reply-To: <6FE7F5133E344F8BB49547A07A987714@DyingPC>

Dear "Robert Ding",

In message <6FE7F5133E344F8BB49547A07A987714@DyingPC> you wrote:
> 
> I found a bug on NOR Flash CFI drivers during my development. In the

This is not  bug. It is a limitation, or you may call it a feature...

> To which the address of src point is a RAM address, the code is OK. But
> if it points to a address of the same NOR Flash, the code will cause
> some problems, which
> cannot read the correct data from the NOR Flash.

This is a known limitation.  You are not supposed to copy data from one
part of a NOR device to another part.

> I hope u-boot to fix this bug in the new version.

Patches that improve U-Boot are always welcoem.  Please see
http://www.denx.de/wiki/U-Boot/Patches  for hints hot to submit
patches.

Thanks.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
A verbal contract isn't worth the paper it's written on.
                                                    -- Samuel Goldwyn

      reply	other threads:[~2012-01-13 23:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-13 15:57 [U-Boot] Bug of NOR Flash CFI Driver Robert Ding
2012-01-13 23:26 ` Wolfgang Denk [this message]

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