diff --git a/src/soc/amd/sabrina/include/soc/aoac_defs.h b/src/soc/amd/sabrina/include/soc/aoac_defs.h
index 7554aa6c33..4b2b4fe580 100644
--- a/src/soc/amd/sabrina/include/soc/aoac_defs.h
+++ b/src/soc/amd/sabrina/include/soc/aoac_defs.h
@@ -1,7 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-/* TODO: Check if this is still correct */
-
 #ifndef AMD_SABRINA_AOAC_DEFS_H
 #define AMD_SABRINA_AOAC_DEFS_H
 
@@ -15,7 +13,10 @@
 #define FCH_AOAC_DEV_I2C5		10
 #define FCH_AOAC_DEV_UART0		11
 #define FCH_AOAC_DEV_UART1		12
+#define FCH_AOAC_DEV_UART2		16
 #define FCH_AOAC_DEV_AMBA		17
+#define FCH_AOAC_DEV_UART4		20
+#define FCH_AOAC_DEV_UART3		26
 #define FCH_AOAC_DEV_ESPI		27
 #define FCH_AOAC_DEV_EMMC		28