diff --git a/src/soc/intel/xeon_sp/skx/Kconfig b/src/soc/intel/xeon_sp/skx/Kconfig
index 444968d..c325512 100644
--- a/src/soc/intel/xeon_sp/skx/Kconfig
+++ b/src/soc/intel/xeon_sp/skx/Kconfig
@@ -59,4 +59,12 @@
 	string
 	default "lbg"
 
+config XEON_SP_HAVE_IIO_IOAPIC
+	bool
+	default y
+
+config XEON_SP_PCH_IOAPIC_GSI_BASES
+	hex
+	default 0x18
+
 endif