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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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