From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8436 invoked by alias); 19 Apr 2013 14:01:42 -0000 Mailing-List: contact ecos-discuss-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@ecos.sourceware.org Received: (qmail 8423 invoked by uid 89); 19 Apr 2013 14:01:41 -0000 X-Spam-SWARE-Status: No, score=-0.7 required=5.0 tests=AWL,BAYES_00,KHOP_THREADED,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from relay03.alfahosting-server.de (HELO relay03.alfahosting-server.de) (109.237.142.239) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Fri, 19 Apr 2013 14:01:39 +0000 Received: by relay03.alfahosting-server.de (Postfix, from userid 1001) id 329B032C0317; Fri, 19 Apr 2013 16:01:37 +0200 (CEST) X-Spam-DCC: STAT_FI_X86_64_VIRTUAL: relay01 1245; Body=1 Fuz1=1 Fuz2=1 Received: from alfa3017.alfahosting-server.de (alfa3017.alfahosting-server.de [109.237.140.28]) by relay03.alfahosting-server.de (Postfix) with ESMTP id 60D4B32C0353 for ; Fri, 19 Apr 2013 16:01:33 +0200 (CEST) Received: from itrrrauch (p578a450a.dip0.t-ipconnect.de [87.138.69.10]) by alfa3017.alfahosting-server.de (Postfix) with ESMTPA id 3CB44293418A for ; Fri, 19 Apr 2013 16:01:33 +0200 (CEST) From: "Richard Rauch" To: References: <015801ce3cda$90ab8520$b2028f60$@itrgmbh.de> In-Reply-To: <015801ce3cda$90ab8520$b2028f60$@itrgmbh.de> Date: Fri, 19 Apr 2013 14:01:00 -0000 Message-ID: <018801ce3d06$68989010$39c9b030$@itrgmbh.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Virus-Checker-Version: clamassassin 1.2.4 with ClamAV 0.97.3/17042/Fri Apr 19 12:38:49 2013 Subject: AW: [ECOS] Support of SD Card FAT problems with MBR X-SW-Source: 2013-04/txt/msg00020.txt.bz2 Sorry, I was wrong...seems that there is a MBR..I mismatched MBR and FAT partition's boot sector. We had a problem with wrong device name, so the driver accessed block 0 on SD Card instead of first block of partition.=20 > -----Urspr=FCngliche Nachricht----- > Von: ecos-discuss-owner@ecos.sourceware.org [mailto:ecos-discuss- > owner@ecos.sourceware.org] Im Auftrag von Richard Rauch > Gesendet: Freitag, 19. April 2013 10:48 > An: ecos-discuss@ecos.sourceware.org > Betreff: [ECOS] Support of SD Card FAT problems with MBR >=20 > Hi All, >=20 > I am implementing SD Card support on our eCos Port to Xilinx Zynq. > For that, as I understand, we need to use different driver/service layers > (SDCard Driver, disk driver, FAT file system) >=20 > Low level driver works already, but seems that there are problems with data > structures on Disk. >=20 > Is it true, that SDCards formatted without MBR? We are using SD Cards, which > are formatted under Windows (what seems to be mostly common) >=20 > But when mounting the SDCard within eCos, seems it fails, because no MBR is > found on SDCard. >=20 > Am I wrong? Or do we need to do something special with SDCard, Disk, or FAT > Drivers? >=20 >=20 > Thanks >=20 > Richard >=20 > ITR GmbH > web: http://www.itrgmbh.com > email: info@itrgmbh.com >=20 >=20 >=20 > -- > Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos > and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss