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Re: MPC860 Porting (ROM/Flash)
- From: Gary Thomas <gary at mlbassoc dot com>
- To: Viswanath Bandi <bandiv at txc dot stpn dot soft dot net>
- Cc: ecos-discuss at sources dot redhat dot com
- Date: 11 Dec 2003 04:38:55 -0700
- Subject: Re: [ECOS] MPC860 Porting (ROM/Flash)
- Organization: MLB Associates
- References: <3FD8570E.9090007@txc.stpn.soft.net>
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
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