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From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] U-boot running on DDR fails to detect the CFI compliant flash
Date: Mon, 18 Jan 2010 09:45:56 +0100	[thread overview]
Message-ID: <201001180945.57013.sr@denx.de> (raw)
In-Reply-To: <b9c1f3ac1001150523w24b3fe97j7d476a6eec47e56@mail.gmail.com>

Hi Prakash,

On Friday 15 January 2010 14:23:35 prakash bedge wrote:
> In October 09 month, I had asked whether U-boot supports M29W128GH, a CFI
> compilant chip and I got a yes reply. Please refer below URL for reference.
> 
> http://www.mail-archive.com/u-boot at lists.denx.de/msg24531.html.

Link not found. Please correct.
 
> So I have used Uboot for my PPC440 based board.
> 
> When I flashed U-boot on flash and then run the Uboot in DDR then U-boot
> running on DDR fails to detect CFI chip M29W128GH (16M x 8 mode).
> 
> flash_detect_cfi function gives error that flash not found. I have added
> debug statements for temporary debug purpose.
>  Please see the below error I am getting.
> 
> The CFI query address looks different in below code and not as per ST make
> M29W128GH specs. PCIMW.

What's the difference then? Please give an example.

I suggest you take a look at this prelimiary patch:

http://lists.denx.de/pipermail/u-boot/2009-December/065562.html

Please let me know if this helps or not.
 
Cheers,
Stefan

--
DENX Software Engineering GmbH,      MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich,  Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-0 Fax: (+49)-8142-66989-80 Email: office at denx.de

  reply	other threads:[~2010-01-18  8:45 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-15 13:23 [U-Boot] U-boot running on DDR fails to detect the CFI compliant flash prakash bedge
2010-01-18  8:45 ` Stefan Roese [this message]
2010-01-19  6:24   ` prakash bedge
2010-01-19 13:49     ` Stefan Roese
2010-01-19 13:58       ` Jerry Van Baren
2010-01-19 14:19         ` Wolfgang Denk
2010-01-19 16:22         ` prakash bedge
2010-01-19 16:39           ` Stefan Roese
2010-01-19 16:44           ` Albert ARIBAUD
2010-01-20  9:44             ` prakash bedge
2010-01-20 13:05               ` Jerry Van Baren
2010-01-21 14:23                 ` prakash bedge
2012-02-15  8:14   ` Francisco

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