[coreboot] [PATCH] AMD F10h: set MMCONF bus count according to configured value

Arne Georg Gleditsch arne.gleditsch at numascale.com
Tue Oct 19 08:50:35 CEST 2010

"Scott Duplichan" <scott at notabs.org> writes:

> For AMD family 10h processors, msr c0010058 is always programmed
> for 256 buses, even if fewer are configured. This patch lets msr
> c0010058 programming use the configured bus count, CONFIG_MMCONF_BUS_NUMBER.

How about just renaming CONFIG_MMCONF_BUS_NUMBER to ...BUS_BITS?
There's only 8 discrete values it can take anyway, and this would also
make it harder to pick an unsupported value for BUS_NUMBER.


More information about the coreboot mailing list