Re: [ECOS] MPC860 Porting (ROM/Flash)

[Viswanath Bandi <bandiv at txc dot stpn dot soft dot net>]

Sorry for not mentioning this in my earlier mail. We have P&E Micro flash
programmer with us. Can I use it to program the flash? If yes, do I still
need to mention the flash details in the CDL? Basically I am just trying
to build it with one serial port so that I can see the RedBoot prompt.

Gary Thomas wrote:

> On Thu, 2003-12-11 at 04:37, Viswanath Bandi wrote:
>  
>
> > Hello All,
> >
> > I have been trying to port eCos to a custom board based on MPC860. I 
> > copied the
> > target mbx in powerpc directory and made the necessary changes. In mbx, 
> > there is
> > an option called CYGHWR_HAL_POWERPC_MBX_BOOT_32BIT_FLASH to boot from 
> > 32bit flash.
> > Our board uses Intel 28F320J5 chip arranged as 2M x 16bit memory. Any 
> > idea how
> > I need to reflect in the CDL file?
> >    
>
> Look at how other target platforms have used this device.  You'll end up
> with a new package in the devs/flash/powerpc directory which has CDL and
> support files that describe your situation.
>
>  
>
> > Also can somebody tell what is the difference between booting from ROM and
> > booting from FLASH.
> >    
>
> Nothing (as long as it's NOR FLASH) - just terminology.
>
>  



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