From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] 440EPX is not booting from 1Gb/128MB NAND flash
Date: Tue, 12 Feb 2008 07:11:16 +0100 [thread overview]
Message-ID: <200802120711.17212.sr@denx.de> (raw)
In-Reply-To: <20080212060246.2832424050@gemini.denx.de>
On Tuesday 12 February 2008, Wolfgang Denk wrote:
> > #if (CFG_NAND_PAGE_SIZE > 512)
>
> Please use an explicit test instead, i. e. for example
>
> #if (CFG_NAND_PAGE_SIZE == 2048)
>
> unless you are absolutley sure that all future devices (say, with 8k
> or 8k page sizes) will behave identical. Otherwise it will be a mess
> to clean up that code later.
I got my idea from the current Linux MTD NAND drivers (and U-Boot btw). Here
the distinction between small page and large page devices is done this way:
if (mtd->writesize > 512)
lp..
else
sp..
That's why I still prefer my suggestion.
Best regards,
Stefan
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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
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next prev parent reply other threads:[~2008-02-12 6:11 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <e9eeaac20802061636t14229054yebb41fa38dc5bffe@mail.gmail.com>
2008-02-07 0:38 ` [U-Boot-Users] 440EPX is not booting from 1Gb/128MB NAND flash Nikhil Gautam
2008-02-07 5:24 ` Stefan Roese
2008-02-07 23:46 ` Nikhil Gautam
2008-02-08 4:50 ` Stefan Roese
2008-02-08 22:57 ` Nikhil Gautam
2008-02-09 5:51 ` Stefan Roese
2008-02-11 14:43 ` Nikhil Gautam
2008-02-11 16:26 ` Stefan Roese
2008-02-12 1:16 ` Nikhil Gautam
2008-02-12 5:12 ` Stefan Roese
2008-02-12 6:02 ` Wolfgang Denk
2008-02-12 6:11 ` Stefan Roese [this message]
2008-02-12 22:31 ` Wolfgang Denk
2008-02-13 23:16 ` Nikhil Gautam
2008-02-14 5:36 ` Stefan Roese
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