porting effort reqd. from mpc860 to mpc823

Hello,

Being a new guy in this type of activities I would just like to
have a estimation of efforts in tech. terms for porting a cpu
specific portion of base code of mpc860 to mpc823.
to narrow down what all cpu specific features needs to be
addressed comparing mpc860 to mpc823.
any pointer would help me much.

Best Regards,
Ashish


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