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

[Viswanath Bandi <bandiv@txc.stpn.soft.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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