diff --git a/src/mainboard/asus/p8x7x-series/Kconfig b/src/mainboard/asus/p8x7x-series/Kconfig
index cfff67a0dc..ee4ee3eeb2 100644
--- a/src/mainboard/asus/p8x7x-series/Kconfig
+++ b/src/mainboard/asus/p8x7x-series/Kconfig
@@ -106,8 +106,7 @@ config CMOS_DEFAULT_FILE
 config CMOS_LAYOUT_FILE
 	default "src/mainboard/\$(MAINBOARDDIR)/variants/\$(CONFIG_VARIANT_DIR)/cmos.layout"
 
-config SUPERIO_PNP_BASE
-	hex
+config SUPERIO_NUVOTON_PNP_BASE
 	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 f192e22f3c..ae3a3633f6 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(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)
+#define GLOBAL_DEV PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, 0)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, NCT6776_SP1)
+#define ACPI_DEV   PNP_DEV(CONFIG_SUPERIO_NUVOTON_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 a7f7e9f077..69a2f4544c 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(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)
+#define GLOBAL_DEV PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, 0)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, NCT6779D_SP1)
+#define ACPI_DEV   PNP_DEV(CONFIG_SUPERIO_NUVOTON_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 7e4647c6e2..3c6853eef4 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
@@ -10,9 +10,9 @@
 
 #include <option.h>
 
-#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_SP1)
-#define GPIO0_DEV  PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_WDT1_GPIO01_V)
-#define ACPI_DEV   PNP_DEV(CONFIG_SUPERIO_PNP_BASE, NCT6779D_ACPI)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, NCT6779D_SP1)
+#define GPIO0_DEV  PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, NCT6779D_WDT1_GPIO01_V)
+#define ACPI_DEV   PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, NCT6779D_ACPI)
 
 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 81d9a3a9c8..c3ccf1bbde 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(CONFIG_SUPERIO_PNP_BASE, NCT6779D_SP1)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, NCT6779D_SP1)
 
 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 f693fbcb18..c2285a7254 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(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)
+#define GLOBAL_DEV PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, 0)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, NCT6779D_SP1)
+#define ACPI_DEV   PNP_DEV(CONFIG_SUPERIO_NUVOTON_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 a7f7e9f077..69a2f4544c 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(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)
+#define GLOBAL_DEV PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, 0)
+#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, NCT6779D_SP1)
+#define ACPI_DEV   PNP_DEV(CONFIG_SUPERIO_NUVOTON_PNP_BASE, NCT6779D_ACPI)
 
 void bootblock_mainboard_early_init(void)
 {
diff --git a/src/superio/nuvoton/common/Kconfig b/src/superio/nuvoton/common/Kconfig
index 376ae16422..2525c5d445 100644
--- a/src/superio/nuvoton/common/Kconfig
+++ b/src/superio/nuvoton/common/Kconfig
@@ -21,3 +21,9 @@ config HAVE_SHARED_PS2_PORT
 	  port. This one port usually works for keyboards only. Add the nvram option
 	  "swap_keyboard_and_mouse" to cmos.layout to allow changing this port into a
 	  mouse port.
+
+config SUPERIO_NUVOTON_PNP_BASE
+	hex
+	depends on SUPERIO_NUVOTON_COMMON_PRE_RAM
+	help
+	  Set the base port of the super I/O chip.