From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.nokia.com ([192.100.105.134] helo=mgw-mx09.nokia.com) by bombadil.infradead.org with esmtps (Exim 4.69 #1 (Red Hat Linux)) id 1NXCOd-0002hg-OY for linux-mtd@lists.infradead.org; Tue, 19 Jan 2010 11:37:24 +0000 Subject: Re: one time programmable flash (OTP) From: Artem Bityutskiy To: Arno Steffen In-Reply-To: <804f0d21001190311ja482318ucbe64df52f66ac93@mail.gmail.com> References: <804f0d21001190234t3d576efdi2b915b97df379f65@mail.gmail.com> <1263898721.2891.0.camel@localhost> <804f0d21001190311ja482318ucbe64df52f66ac93@mail.gmail.com> Content-Type: text/plain; charset="UTF-8" Date: Tue, 19 Jan 2010 13:36:55 +0200 Message-Id: <1263901015.2891.5.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: linux-mtd@lists.infradead.org Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 2010-01-19 at 12:11 +0100, Arno Steffen wrote: > 2010/1/19 Artem Bityutskiy : > > On Tue, 2010-01-19 at 11:34 +0100, Arno Steffen wrote: > >> Is there any support by kernel to have access (write/read) to that OPT area? > >> The flash (MT29F1G) on my omap board has OTP blocks. > >> What do I have to do to get it and how to use? > >> I've been searching a lot in the net, but hasn't been succesful with > >> that, except for Blackfin's build-in OTP. > > > > OneNAND has, and there is some support in the kernel. > > > > -- > > Best Regards, > > Artem Bityutskiy (Артём Битюцкий) > > Unfortunatly I use a Micron NAND. So no chance for me? I do not really know. I thought you would look at the onenand driver, and implement the support similarly, if you do not have it. -- Best Regards, Artem Bityutskiy (Артём Битюцкий)