soc/intel/apollolake: set FSP param to enable or skip GOP

Set the FSP parameter PeiGraphicsPeimInit according to RUN_FSP_GOP to
enable or skip GOP.

Change-Id: I3546371dd18120e3fbd1179a79b2bdc0a7436726
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36352
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c
index 8e516f8..1aab8a1 100644
--- a/src/soc/intel/apollolake/chip.c
+++ b/src/soc/intel/apollolake/chip.c
@@ -751,6 +751,12 @@
 	/* Set VTD feature according to devicetree */
 	silconfig->VtdEnable = cfg->enable_vtd;
 
+	dev = pcidev_path_on_root(SA_DEVFN_IGD);
+	if (CONFIG(RUN_FSP_GOP) && dev && dev->enabled)
+		silconfig->PeiGraphicsPeimInit = 1;
+	else
+		silconfig->PeiGraphicsPeimInit = 0;
+
 	mainboard_silicon_init_params(silconfig);
 }