diff --git a/src/soc/amd/cezanne/chip.c b/src/soc/amd/cezanne/chip.c
index 6e4df42bb9..ffd56de66d 100644
--- a/src/soc/amd/cezanne/chip.c
+++ b/src/soc/amd/cezanne/chip.c
@@ -6,6 +6,9 @@
 #include <types.h>
 #include "chip.h"
 
+/* Supplied by uart.c */
+extern struct device_operations cezanne_uart_mmio_ops;
+
 struct device_operations cpu_bus_ops = {
 	.read_resources	= noop_read_resources,
 	.set_resources	= noop_set_resources,
@@ -20,6 +23,12 @@ static struct device_operations pci_domain_ops = {
 
 static void set_mmio_dev_ops(struct device *dev)
 {
+	switch (dev->path.mmio.addr) {
+	case APU_UART0_BASE:
+	case APU_UART1_BASE:
+		dev->ops = &cezanne_uart_mmio_ops;
+		break;
+	}
 }
 
 static void enable_dev(struct device *dev)