[U-Boot-Users] MPC8247 and others

[Wolfgang Denk]

In message <000501c3fd00$a087d670$9d00a8c0 at radionorole> you wrote:
> 
> MPC8247 is part of a new family of PowerQUICC II processors from
> Motorola.
> This new family include MPC8247,MPC8248,MPC8271,MPC8272 which are all
> derivatives from of the MPC8280 and MPC8260. 

Indeed these are derivatives, and not sooo different.

> Since I would like to post back patches and add support code for this
> CPU back to the U-Boot project I was wondering what is best when
> starting :
> Add a new directory to cpu, mpc8272 (or something) and copying code from
> mpc8260 and changing this or add changes with defines in the MPC8260
> directory. The MPC8260 and MPC8247 are very similar but there are some
> changes, configuration registers (HRCW is changed among others
> (start.S)) and an USB controller etc.

I don't think that  differences  are  so  big  that  a  separate  CPU
directory is justified. Please use the existing 8260 directory.

Best regards,

Wolfgang Denk

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