nb/intel/gm45: Factor out {DMI,EP,MCH}BAR accessors
These accessors can be reused for several other northbridges.
Tested with BUILD_TIMELESS=1, Roda RK9 remains identical.
Change-Id: Ia16ccc63dddebf938f4e9a7f5518e4d25d3e7e66
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49748
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/common/Kconfig.common b/src/northbridge/intel/common/Kconfig.common
new file mode 100644
index 0000000..4f231be
--- /dev/null
+++ b/src/northbridge/intel/common/Kconfig.common
@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+config NORTHBRIDGE_INTEL_COMMON
+ bool
+
+if NORTHBRIDGE_INTEL_COMMON
+
+config FIXED_DMIBAR_MMIO_BASE
+ hex
+
+config FIXED_EPBAR_MMIO_BASE
+ hex
+
+config FIXED_MCHBAR_MMIO_BASE
+ hex
+
+endif # NORTHBRIDGE_INTEL_COMMON