Changes to "The plan"

[Paul Mackerras]

Ralph Blach writes:

> It has always been my contention the the 4xx should be organized in the
> following structure
> Core
> Chip
> board
>
> This would tree would then reflect the reallity of chip design methodology.
> the 405 now has many variants
> so it would be
> 405 Core
>    Chip
>       405CR
>       405GP
>       Board
>                  Walnut

Wouldn't that make it more difficult to take advantage of the fact
that (for instance) the MAL and ENET are virtually identical on the
405GP and the 440GP?

Paul.

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