diff --git a/src/soc/amd/common/block/include/amdblocks/root_complex.h b/src/soc/amd/common/block/include/amdblocks/root_complex.h
index b09a5f3e27..dd0e68ad2c 100644
--- a/src/soc/amd/common/block/include/amdblocks/root_complex.h
+++ b/src/soc/amd/common/block/include/amdblocks/root_complex.h
@@ -7,6 +7,9 @@
 #include <types.h>
 
 #define SMN_IOHC_MISC_BASE_13B1	0x13b10000
+#define SMN_IOHC_MISC_BASE_13C1	0x13c10000
+#define SMN_IOHC_MISC_BASE_13D1	0x13d10000
+#define SMN_IOHC_MISC_BASE_13E1	0x13e10000
 
 #define NON_PCI_RES_IDX_AUTO	0