Re: [ECOS] Question

["Rajeev Gaba" <rajeev_gaba at intersolutions dot stpn dot soft dot net>]

Thanks Andrew for your reply.

I just have another question, is it readily available with any of the
Redboot versions.

Regards,
Rajeev Gaba
----- Original Message -----
From: "Andrew Lunn" <andrew@lunn.ch>
To: "Rajeev Gaba" <rajeev_gaba@intersolutions.stpn.soft.net>
Cc: <ecos-discuss@sources.redhat.com>
Sent: Wednesday, March 02, 2005 6:26 PM
Subject: Re: [ECOS] Question


> On Wed, Mar 02, 2005 at 06:09:08PM +0530, Rajeev Gaba wrote:
> > Hi all,
> >
> > I've a small question to ask.
> > We have an IXP425 based board. We are using AMD flash devices for boot
up.
> > It is working fine.
> > Now If we change the flash device to say SST device, what are all the
things
> > I may need to change?
> > Actually we had tried it but the board could not boot and displayed the
> > message
> > "FLASH: driver init failed:Driver does not support device"
>
> target ixdp425 {
>         alias { "IXDP425 board" ixdp425 }
>         packages { CYGPKG_HAL_ARM
>                    CYGPKG_HAL_ARM_XSCALE_CORE
>                    CYGPKG_HAL_ARM_XSCALE_IXP425
>                    CYGPKG_HAL_ARM_XSCALE_IXDP425
>                    CYGPKG_IO_PCI
>                    CYGPKG_DEVS_ETH_INTEL_I82559
>                    CYGPKG_DEVS_ETH_ARM_IXDP425_I82559
>                    CYGPKG_DEVS_FLASH_STRATA
>                    CYGPKG_DEVS_FLASH_IXDP425
>         }
>         description "
>         The ixdp425 target provides the packages needed to run
>         eCos on an Intel network processor evaluation board."
> }
>
> So the IXP425 normally uses an Strata flash, so your board is probably
> strange to start with. Anyway, you need to replace
> CYGPKG_DEVS_FLASH_STRATA with CYGPKG_DEVS_FLASH_SST_39VFXXX and
> replace CYGPKG_DEVS_FLASH_IXDP425 with a new package you need to write
> yourself which interfaces the generic SST driver to your specific
> board. Take a look at CYGPKG_DEVS_FLASH_ARM_AIM711 for an example.
>
>         Andrew
>
>
> --
> Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
> and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss


-- 
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