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.
> -----Ursprüngliche Nachricht----- > Von: ecos-discuss-ow...@ecos.sourceware.org [mailto:ecos-discuss- > ow...@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 > > Hi All, > > 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) > > Low level driver works already, but seems that there are problems with data > structures on Disk. > > Is it true, that SDCards formatted without MBR? We are using SD Cards, which > are formatted under Windows (what seems to be mostly common) > > But when mounting the SDCard within eCos, seems it fails, because no MBR is > found on SDCard. > > Am I wrong? Or do we need to do something special with SDCard, Disk, or FAT > Drivers? > > > Thanks > > Richard > > ITR GmbH > web: http://www.itrgmbh.com > email: i...@itrgmbh.com > > > > -- > 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
