Are 8260 and 8250 CPM interface compatible?

[Sylvain Latulippe]

> How much of each of the drivers in arch/ppc/8260_io/ can be reused
> for the 8250?  Is the 8250 CPM interface backward compatible
> with the 8260 CPM interface? Or will everything have to be written
> from the ground up?
>

We have tested ethernet (fcc_enet.c), serial port (uart.c) from linux 2.4.19
and it works fine.

Sylvain

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