linux-mtd.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: Manuel Sahm <Manuel.Sahm@feig.de>
To: Ricard Wanderlof <ricard.wanderlof@axis.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: Binary Nandwrite/read to Flash
Date: Thu, 13 Mar 2008 15:22:57 +0100	[thread overview]
Message-ID: <47D938C1.6040804@feig.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0803131448330.6032@lnxricardw.se.axis.com>



Ricard Wanderlof schrieb:
>
> On Thu, 13 Mar 2008, Manuel Sahm wrote:
>
>> Thank you,
>>
>> could you tell me the exact call:
>>
>> I have a NAND-Flash with PAGESSIZE = 0x800 and ERASEBLOCKSIZE=0x20000
>>
>> I want to write a file maybe called "test.txt" at adress 0x02000000 
>> of the NAND flash.
>
> Something like
>
> nandwrite -s 0x02000000 -p /dev/mtd0 test.txt
>
> (mtd0 depending on which device your nandflash is)
>
> (Note: you don't have to specify the padding size, nandwrite figures 
> it out by querying mtd).
>
>> And read it back to a file "test2.txt" afterwards.
>
> Something like
>
> nanddump -o -b -s 0x02000000 -l <filesize> -f test2.txt /dev/mtd0
>
> where <filesize> is the size of your file.
>
> /Ricard
> -- 
> Ricard Wolf Wanderlöf                           ricardw(at)axis.com
> Axis Communications AB, Lund, Sweden            www.axis.com
> Phone +46 46 272 2016                           Fax +46 46 13 61 30
Thank you very much....

Is it possible to write/read to the NAND flash "directly" without an 
partition ?(/dev/mtdX) ?

Best regards 

Manuel Sahm	

  reply	other threads:[~2008-03-13 14:22 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-13 12:18 Binary Nandwrite/read to Flash Manuel Sahm
2008-03-13 12:47 ` Ricard Wanderlof
     [not found]   ` <47D92581.1030007@feig.de>
2008-03-13 13:53     ` Ricard Wanderlof
2008-03-13 14:22       ` Manuel Sahm [this message]
2008-03-13 14:26         ` Ricard Wanderlof
2008-03-13 15:12           ` Manuel Sahm
2008-03-14  7:41             ` Ricard Wanderlof
2008-03-13 14:27   ` Matthieu CASTET

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=47D938C1.6040804@feig.de \
    --to=manuel.sahm@feig.de \
    --cc=linux-mtd@lists.infradead.org \
    --cc=ricard.wanderlof@axis.com \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).