В Срд, 06/02/2008 в 05:33 -0700, Gary Thomas пишет: > Alexey Shusharin wrote: > > В Срд, 06/02/2008 в 11:52 +0100, Antonello Lombardinilo пишет: > >> Alexey Shusharin writes: > >> > >>> . ..., 06/02/2008 . 08:51 +0100, Antonello Lombardinilo .....: > >>>>> Hi, > >>>>> > >>>>> Flash V2 board driver should use "CYG_FLASH_DRIVER" macro to define each > >>>>> flash device. Just find this macro. > >>>>> > >>>>> grep -R CYG_FLASH_DRIVER ./ > >>>>> > >>>>> But are you sure that you need two flash device support? > >>>>> What are you going to keep in boot flash (512 KB)? > >>>>> > >>>>> Best regards > >>>>> Alexey Shusharin > >>>>> > >>>> Hi, > >>>> > >>>> I would use the boot flash for RedBoot Image, FIS directory and > >>>> Redboot config. > >>>> > >>>> I'm not sure that I need a two flash device support. > >>>> Any other solution is well appreciated. > >>>> > >>> Are you going to use FIS on the second flash device? If yes you can keep > >>> Redboot config there and don't make access to boot flash device. It's > >>> usual way. > >>> > >>> Best regards > >>> Alexey Shusharin > >>> > >>> > >> Hi, > >> > >> I would to use second flash for zImage, ramdisk and linux jffs2. > >> So, if I understood correctly, I want to use FIS on second device. > > > > You can't use FIS and linux jffs2 together on one chip. Moreover, eCos > > doesn't have linux-compatible NAND flash driver. > > Malarky! I do this all the time. The Linux MTD layer understands > the FIS layout and will happily work with it to partition your device. > JFFS2 can then be used on some/all of the partitions, NAND or NOR.
Sorry! I really didn't know that it's possible with NAND flash. > >> In this scenario, why redboot don't make access to boot flash ? > >> Where the Redboot image are stored ? > > > > Redboot just runs from boot flash (or loads to ram). In this case you > > don't need flash driver. > > > >> How can update Redboot ? > > > > You can't. > > > >> There is any board that implement this scenario? > > > > e.g. LPC-E2294 > > (http://sgs.gomel.by/sg/articles/olpce2294/index.html) > > > > > > Alexey > > > > > > > > > -- > ------------------------------------------------------------ > Gary Thomas | Consulting for the > MLB Associates | Embedded world > ------------------------------------------------------------ > -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
