All of lore.kernel.org
 help / color / mirror / Atom feed
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

=====================================================================
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:[~2008-02-12  6:11 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-07  0:36 440EPX is not booting from 1Gb/128MB NAND flash Nikhil Gautam
2008-02-07  0:38 ` [U-Boot-Users] " 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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200802120711.17212.sr@denx.de \
    --to=sr@denx.de \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.