From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from www.kernelconcepts.de ([212.60.202.195] helo=mail.kernelconcepts.de) by pentafluge.infradead.org with esmtps (Exim 4.62 #1 (Red Hat Linux)) id 1GKyFE-0005cr-AI for linux-mtd@lists.infradead.org; Wed, 06 Sep 2006 15:19:13 +0100 Message-ID: <44FED8D4.6080505@kernelconcepts.de> Date: Wed, 06 Sep 2006 16:19:00 +0200 From: Nils Faerber MIME-Version: 1.0 To: Justin Clacherty Subject: Re: Intel P30, locked sectors? References: <44FED214.7090309@kernelconcepts.de> <44FED831.60704@redfish-group.com> In-Reply-To: <44FED831.60704@redfish-group.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: linux-mtd@lists.infradead.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Justin Clacherty schrieb: > Nils Faerber wrote: >> I had hoped that the P30 chips would be supported now, but it seems they >> are not fully. How can I unlock the sectors, if that is really the issue >> here. > P30 flash is supported in that it supports CFI. You can read and write > to it as long as it's unlocked. CFI does not support automatic > unlocking, it assumes if it's locked, it's locked for a reason. The > bootloader has to ensure that the sectors occupied by the rootfs are > unlocked before mounting the filesystem. We're using P30 here without > problems. Hmm... OK. Just in theory, can one write to a locked sector? I ask because I flashed the very same rootfs to the chip using the bootloader. The bootloader, which is BLOB BTW, seems to be able to write to the chips and the contents written also seems to be OK (since I can boot and mount the rootfs). > Justin. Cheers nils faerber -- kernel concepts GbR Tel: +49-271-771091-12 Dreisbachstr. 24 Fax: +49-271-771091-19 D-57250 Netphen Mob: +49-176-21024535 --