[ECOS] MPC860 Porting (ROM/Flash)

[Gary Thomas]

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.

-- 
Gary Thomas <gary@mlbassoc.com>
MLB Associates


-- 
Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
and search the list archive: http://sources.redhat.com/ml/ecos-discuss