diff --git a/src/mainboard/asus/p8x7x-series/Kconfig b/src/mainboard/asus/p8x7x-series/Kconfig
index 9dc227f8e1..e3e977f00e 100644
--- a/src/mainboard/asus/p8x7x-series/Kconfig
+++ b/src/mainboard/asus/p8x7x-series/Kconfig
@@ -104,4 +104,8 @@ config CMOS_DEFAULT_FILE
 config CMOS_LAYOUT_FILE
 	default "src/mainboard/\$(MAINBOARDDIR)/variants/\$(CONFIG_VARIANT_DIR)/cmos.layout"
 
+config SUPERIO_PNP_BASE
+	hex
+	default 0x2e
+
 endif
diff --git a/src/mainboard/asus/p8x7x-series/variants/p8c_ws/early_init.c b/src/mainboard/asus/p8x7x-series/variants/p8c_ws/early_init.c
index ad240c1616..f192e22f3c 100644
--- a/src/mainboard/asus/p8x7x-series/variants/p8c_ws/early_init.c
+++ b/src/mainboard/asus/p8x7x-series/variants/p8c_ws/early_init.c
@@ -5,9 +5,9 @@
 #include <superio/nuvoton/common/nuvoton.h>
 #include <superio/nuvoton/nct6776/nct6776.h>
 
-#define GLOBAL_DEV PNP_DEV(0x2e, 0)
-#define SERIAL_DEV PNP_DEV(0x2e, NCT6776_SP1)
-#define ACPI_DEV   PNP_DEV(0x2e, NCT6776_ACPI)
+#define GLOBAL_DEV PNP_DEV(CONFIG_SUPERIO_PNP_BASE, 0)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6776_SP1)
+#define ACPI_DEV   PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6776_ACPI)
 
 void bootblock_mainboard_early_init(void)
 {
diff --git a/src/mainboard/asus/p8x7x-series/variants/p8h77-v/early_init.c b/src/mainboard/asus/p8x7x-series/variants/p8h77-v/early_init.c
index 6d68c17ae1..a7f7e9f077 100644
--- a/src/mainboard/asus/p8x7x-series/variants/p8h77-v/early_init.c
+++ b/src/mainboard/asus/p8x7x-series/variants/p8h77-v/early_init.c
@@ -5,9 +5,9 @@
 #include <superio/nuvoton/common/nuvoton.h>
 #include <superio/nuvoton/nct6779d/nct6779d.h>
 
-#define GLOBAL_DEV PNP_DEV(0x2e, 0)
-#define SERIAL_DEV PNP_DEV(0x2e, NCT6779D_SP1)
-#define ACPI_DEV   PNP_DEV(0x2e, NCT6779D_ACPI)
+#define GLOBAL_DEV PNP_DEV(CONFIG_SUPERIO_PNP_BASE, 0)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_SP1)
+#define ACPI_DEV   PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_ACPI)
 
 void bootblock_mainboard_early_init(void)
 {
diff --git a/src/mainboard/asus/p8x7x-series/variants/p8z77-m/early_init.c b/src/mainboard/asus/p8x7x-series/variants/p8z77-m/early_init.c
index 9ae7e1d16d..76eba43020 100644
--- a/src/mainboard/asus/p8x7x-series/variants/p8z77-m/early_init.c
+++ b/src/mainboard/asus/p8x7x-series/variants/p8z77-m/early_init.c
@@ -10,8 +10,8 @@
 
 #include <option.h>
 
-#define SERIAL_DEV PNP_DEV(0x2e, NCT6779D_SP1)
-#define GPIO0_DEV  PNP_DEV(0x2e, NCT6779D_WDT1_GPIO01_V)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_SP1)
+#define GPIO0_DEV  PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_WDT1_GPIO01_V)
 
 void bootblock_mainboard_early_init(void)
 {
diff --git a/src/mainboard/asus/p8x7x-series/variants/p8z77-m_pro/early_init.c b/src/mainboard/asus/p8x7x-series/variants/p8z77-m_pro/early_init.c
index 40be9133dc..73a4c80628 100644
--- a/src/mainboard/asus/p8x7x-series/variants/p8z77-m_pro/early_init.c
+++ b/src/mainboard/asus/p8x7x-series/variants/p8z77-m_pro/early_init.c
@@ -11,7 +11,7 @@
 #include <northbridge/intel/sandybridge/raminit.h>
 #include <northbridge/intel/sandybridge/pei_data.h>
 
-#define SERIAL_DEV PNP_DEV(0x2e, NCT6779D_SP2)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_SP2)
 
 void bootblock_mainboard_early_init(void)
 {
diff --git a/src/mainboard/asus/p8x7x-series/variants/p8z77-v/early_init.c b/src/mainboard/asus/p8x7x-series/variants/p8z77-v/early_init.c
index bf0ba6795f..f693fbcb18 100644
--- a/src/mainboard/asus/p8x7x-series/variants/p8z77-v/early_init.c
+++ b/src/mainboard/asus/p8x7x-series/variants/p8z77-v/early_init.c
@@ -5,9 +5,9 @@
 #include <superio/nuvoton/common/nuvoton.h>
 #include <superio/nuvoton/nct6779d/nct6779d.h>
 
-#define GLOBAL_DEV PNP_DEV(0x2e, 0)
-#define SERIAL_DEV PNP_DEV(0x2e, NCT6779D_SP1)
-#define ACPI_DEV   PNP_DEV(0x2e, NCT6779D_ACPI)
+#define GLOBAL_DEV PNP_DEV(CONFIG_SUPERIO_PNP_BASE, 0)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_SP1)
+#define ACPI_DEV   PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_ACPI)
 
 void bootblock_mainboard_early_init(void)
 {
diff --git a/src/mainboard/asus/p8x7x-series/variants/p8z77-v_lx2/early_init.c b/src/mainboard/asus/p8x7x-series/variants/p8z77-v_lx2/early_init.c
index 6d68c17ae1..a7f7e9f077 100644
--- a/src/mainboard/asus/p8x7x-series/variants/p8z77-v_lx2/early_init.c
+++ b/src/mainboard/asus/p8x7x-series/variants/p8z77-v_lx2/early_init.c
@@ -5,9 +5,9 @@
 #include <superio/nuvoton/common/nuvoton.h>
 #include <superio/nuvoton/nct6779d/nct6779d.h>
 
-#define GLOBAL_DEV PNP_DEV(0x2e, 0)
-#define SERIAL_DEV PNP_DEV(0x2e, NCT6779D_SP1)
-#define ACPI_DEV   PNP_DEV(0x2e, NCT6779D_ACPI)
+#define GLOBAL_DEV PNP_DEV(CONFIG_SUPERIO_PNP_BASE, 0)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_SP1)
+#define ACPI_DEV   PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_ACPI)
 
 void bootblock_mainboard_early_init(void)
 {