porting effort reqd. from mpc860 to mpc823

Hello,

since i am new to hardware porting activities ..I would just like
to have a estimation of efforts in tech. terms for orting a base
code of mpc860 to mpc823.

any pointer would help me much.

Best Regards,
Ashish

** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/