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Re: Re: Redboot v2.04, IXP4XX and Flash v2
Ð ÐÑÐ, 06/02/2008 Ð 11:52 +0100, Antonello Lombardinilo ÐÐÑÐÑ:
> 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.
> 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
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