From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wg0-x230.google.com ([2a00:1450:400c:c00::230]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VOwvb-00006C-4J for barebox@lists.infradead.org; Wed, 25 Sep 2013 21:47:24 +0000 Received: by mail-wg0-f48.google.com with SMTP id n12so293059wgh.27 for ; Wed, 25 Sep 2013 14:46:58 -0700 (PDT) MIME-Version: 1.0 Date: Wed, 25 Sep 2013 16:46:58 -0500 Message-ID: From: "Allen Kennedy Jr." List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [SOLVED] how to copy barebox to flash? To: Sascha Hauer Cc: barebox@lists.infradead.org This was exactly what I was looking for! thanks On Wed, Sep 25, 2013 at 2:55 PM, Sascha Hauer wrote: > Hi Allen, > > On Wed, Sep 25, 2013 at 11:13:47AM -0500, Allen Kennedy Jr. wrote: >> All, >> How do I copy barebox to flash? >> I have a flash device setup: >> `---- imx_nand >> `---- nand0 >> `---- 0x00000000-0x0fffffff: /dev/nand0 >> `---- 0x00000000-0x0001ffff: /dev/bootstrapper >> `---- 0x00020000-0x0005ffff: /dev/barebox >> `---- 0x00060000-0x0009ffff: /dev/env_raw >> `---- 0x00100000-0x005fffff: /dev/kernel >> >> I used JTAG to load barebox into memory at 0xa0000000 >> >> I just can't figure out how to copy it to flash... There is no DD command... >> I tried this: >> cp 0xa0000000 /dev/barebox 0x4000 >> got : >> cp: target `0x4000' is not a directory > > What you're looking for is the memcpy command. It has options to copy > memory to/from files. You need something like: > > memcpy -d /dev/barebox 0xa0000000 0 512k > > replace 512k with whatever filesize is appropriate. > > See 'help memcpy' or http://wiki.barebox.org/doku.php?id=commands:memcpy > for more information. > >> >> Seems barebox changed what 'cp' is from the old u-boot way. >> and the nand command only does bad block handling... >> >> barebox-update seems to be a candidate, but the docs don't make sense >> on how to use. > > Yes, that's the correct command, but it needs board support to be > implemented. With the correct board support the update would go down to: > > barebox_update /mnt/tftp/barebox.bin > > (It needs a file though, you would have to generate this with memcpy if > you want to use it together with a raw memory image.) > >> Also I was thinking something like md > /dev/nand, but the output of >> MD is user readable. > > Unfortunately the barebox shell is not capable of doing output redirection. > > Sascha > > -- > Pengutronix e.K. | | > Industrial Linux Solutions | http://www.pengutronix.de/ | > Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | > > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox