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From: Indrek Kruusa <indrek.kruusa@artecdesign.ee>
To: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org
Subject: Re: NAND behind INT13 BIOS interface
Date: Thu, 20 Jul 2006 13:32:07 +0300	[thread overview]
Message-ID: <44BF5BA7.6010803@artecdesign.ee> (raw)
In-Reply-To: <1153321785.29664.3.camel@shinybook.infradead.org>

David Woodhouse wrote:
> On Wed, 2006-07-19 at 12:34 +0300, Indrek Kruusa wrote:
>> I have board with NAND and BIOS seems to have built-in driver for that. 
>> BIOS provides INT 13 interface for the NAND too.
>>
>> Is there a solution to access such NAND (with the help of INT 13) as a 
>> usual block device from Linux?
>
> There used to be such a hack -- it's quite evil and fragile though. You
> have to switch back into real mode to invoke the BIOS call, and you need
> to preserve enough of the pre-boot environment that it can still work.
> Running it in vm86 mode might also work, if you're lucky.
>
> Seriously though, I wouldn't bother -- just implement a translation
> layer in Linux which is compatible.

Thanks for the advice.
It may be that I switch to LinuxBIOS and then there could be more 
options to cope with that.

Indrek

      reply	other threads:[~2006-07-20 10:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-19  9:34 NAND behind INT13 BIOS interface Indrek Kruusa
2006-07-19 15:09 ` David Woodhouse
2006-07-20 10:32   ` Indrek Kruusa [this message]

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