[coreboot] [PATCH] AMD MMCONF Support

[Arne Georg Gleditsch]

Arne Georg Gleditsch <arne.gleditsch at numascale.com> writes:
> I intend to rework the MMCONF patch to map the MMCONF area into 32-bit
> address space, [..]

Please find appended.  This patch gets rid of the %gs magic altogether,
fixes a few alignment wrinkles and sets up and registers the MMCONF area
for AMD Fam10h CPUs (where selected by mainboard configuration).  It
removes a bit of code that proved troublesome in MMCONF setups from
mcp55_early_setup_car.c, as per earlier discussion.

(The way the patch hooks add_northbridge_resources via
s2912_fam10/mainboard.c replicates a well-used pattern that perhaps
ought to be simplified.  HAVE_NORTHBRIDGE_RESOURCES would remove
otherwise empty add_mainboard_resources from a lot of mainboard.c
files.)

Signed-off-by: Arne Georg Gleditsch <arne.gleditsch at numascale.com>

-- 
							Arne.
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