diff --git a/src/southbridge/amd/pi/hudson/soc/gpio.h b/src/southbridge/amd/pi/hudson/soc/gpio.h
index 10a47cb101..6069ee018d 100644
--- a/src/southbridge/amd/pi/hudson/soc/gpio.h
+++ b/src/southbridge/amd/pi/hudson/soc/gpio.h
@@ -6,4 +6,6 @@
 /* <soc/gpio.h> must provide gpio_t. */
 #include <amdblocks/gpio_banks.h>
 
+#define SOC_GPIO_TOTAL_PINS		133
+
 #endif /* SOC_GPIO_H */