nb/intel/gm45: Use a common romstage
This moves a lot of the common romstage boilerplate code to a common
location, while adding a few mainboard specific hooks.
Another difference is that the settings for enable_igd and enable_peg
are now based on the static devicetree settings.
Change-Id: I30ef7f6962aabde78b5c40e0b53bb85e01c254c1
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/31190
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
diff --git a/src/northbridge/intel/gm45/Makefile.inc b/src/northbridge/intel/gm45/Makefile.inc
index 95b360c..16a9ddb 100644
--- a/src/northbridge/intel/gm45/Makefile.inc
+++ b/src/northbridge/intel/gm45/Makefile.inc
@@ -27,6 +27,7 @@
romstage-y += pm.c
romstage-y += ram_calc.c
romstage-y += iommu.c
+romstage-y += romstage.c
ramstage-y += acpi.c