From: Sergei Shtylyov <sshtylyov@ru•mvista.com>
To: Wolfgang Grandegger <wg@grandegger•com>
Cc: linuxppc-embedded@ozlabs•org
Subject: Re: Flat device tree definitions for FLASH and MTD partitioning
Date: Wed, 25 Apr 2007 17:35:43 +0400 [thread overview]
Message-ID: <462F592F.7000409@ru.mvista.com> (raw)
In-Reply-To: <462F4FD1.6080900@grandegger.com>
Hello.
Wolfgang Grandegger wrote:
>>>> are there already some thought or even example code on how to define
>>>> Flash memory and MTD partitions in the DTS. This would avoid the
>>>> ackward MTD partitioning via static structure or boot line argument
>>>> and could be done in a generic way.
>>> See Documentation/powerpc/booting-without-of.txt and
>>> drivers/mtd/physmap_of.c for what's been already done.
>> I meant drivers/mtd/maps/physmap_of.c
> I had a closer look to this driver. Unfortunately, it can not handle yet
> multiple FLASH banks. This could be achieved with an additional
> property "bank_count". What do you think?
I'm not sure what banks you're talking about -- note that this driver is equivalen in functionality to the plain 'physmap' driver and there's inherited "bank-width" property that handles flash banking.
> Wolfgang.
MBR, Sergei
next prev parent reply other threads:[~2007-04-25 13:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-08 11:37 Flat device tree definitions for FLASH and MTD partitioning Wolfgang Grandegger
2007-04-08 12:11 ` Sergei Shtylyov
2007-04-08 12:21 ` Sergei Shtylyov
2007-04-08 12:41 ` Wolfgang Grandegger
2007-04-25 12:55 ` Wolfgang Grandegger
2007-04-25 13:35 ` Sergei Shtylyov [this message]
2007-04-25 14:02 ` Wolfgang Grandegger
2007-04-25 14:34 ` Sergei Shtylyov
2007-04-25 18:57 ` Wolfgang Grandegger
2007-04-26 8:21 ` Wolfgang Grandegger
2007-04-26 12:36 ` Sergei Shtylyov
2007-04-26 12:59 ` Wolfgang Grandegger
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