From mboxrd@z Thu Jan 1 00:00:00 1970 From: Detlev Zundel Date: Tue, 16 Feb 2010 17:03:34 +0100 Subject: [U-Boot] Booting from NAND on MX51 In-Reply-To: <4b73d43f1002151349t6ac45b05g30f98e7b7cbc0a8a@mail.gmail.com> (John Rigby's message of "Mon, 15 Feb 2010 14:49:54 -0700") References: <4B3F8896E1733D4787DDB0EA1C7FF91F010D8BD3@ukmail.uk.wirelessworld.airvananet.com> <4B729BF4.6010106@denx.de> <4B3F8896E1733D4787DDB0EA1C7FF91F010D8C2C@ukmail.uk.wirelessworld.airvananet.com> <4B72BA96.5050703@eukrea.com> <4B3F8896E1733D4787DDB0EA1C7FF91F010D8CB0@ukmail.uk.wirelessworld.airvananet.com> <4B72CDB1.7030507@eukrea.com> <4B3F8896E1733D4787DDB0EA1C7FF91F010D8DD9@ukmail.uk.wirelessworld.airvananet.com> <4B3F8896E1733D4787DDB0EA1C7FF91F010D9443@ukmail.uk.wirelessworld.airvananet.com> <4b73d43f1002151349t6ac45b05g30f98e7b7cbc0a8a@mail.gmail.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi, > I would not be surprised to see JFFS2 problems with most i.MX > platforms. The nand ecc includes the spare area so you can not write > a JFFS2 free marker to spare and then later write to the main area. > There are patches for JFFS2 in the kernel for this. I don't know > about u-boot. Also as a general remark, JFFS2 on larger devices _is_ really slow. Because of this _and_ the handling on blocks going bad on reads, we therefore suggest to our customers to use UBI + UBIFS on NAND. Best wishes Detlev -- Man gelangt nicht dazu, gluecklich zu sein, aber man macht Feststellungen ueber die Gruende, die uns daran hindern es zu sein. -- Marcel Proust -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-40 Fax: (+49)-8142-66989-80 Email: dzu at denx.de