66 Mhz bus clock for EST8260?

Jerry Van Baren vanbaren_gerald at si.com
Sat Dec 9 08:55:28 EST 2000


At 02:03 PM 12/8/00 -0500, Dan Malek wrote:

>Brian Ford wrote:
>
> > .... I have made a few corrections to the
> > bootrom so the decrementer frequency is set correctly from the user
> > dip switches in addition to setting the core, cpm, and bus speeds.
>
>You are going to have to reprogram the memory controller timing.......
>
> > Has anyone had any luck with the 66 Mhz bus clock?
>
>Yes, on boards with processor/memory interface properly initialized
>to run at that speed.
>
>
>         -- Dan

For what it is worth, we didn't change the EST memory initialization
when we changed the bus clock.  It is very possible we got lucky.

gvb


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





More information about the Linuxppc-embedded mailing list