diff --git a/plat/rpi/rpi3/platform.mk b/plat/rpi/rpi3/platform.mk
index bcfc34e..4d627b8 100644
--- a/plat/rpi/rpi3/platform.mk
+++ b/plat/rpi/rpi3/platform.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -185,18 +185,20 @@
     AUTH_SOURCES	:=	drivers/auth/auth_mod.c			\
 				drivers/auth/crypto_mod.c		\
 				drivers/auth/img_parser_mod.c		\
-				drivers/auth/tbbr/tbbr_cot.c
+				drivers/auth/tbbr/tbbr_cot_common.c
 
     BL1_SOURCES		+=	${AUTH_SOURCES}				\
 				bl1/tbbr/tbbr_img_desc.c		\
 				plat/common/tbbr/plat_tbbr.c		\
 				plat/rpi/common/rpi3_trusted_boot.c    	\
-				plat/rpi/common/rpi3_rotpk.S
+				plat/rpi/common/rpi3_rotpk.S		\
+				drivers/auth/tbbr/tbbr_cot_bl1.c
 
     BL2_SOURCES		+=	${AUTH_SOURCES}				\
 				plat/common/tbbr/plat_tbbr.c		\
 				plat/rpi/common/rpi3_trusted_boot.c    	\
-				plat/rpi/common/rpi3_rotpk.S
+				plat/rpi/common/rpi3_rotpk.S		\
+				drivers/auth/tbbr/tbbr_cot_bl2.c
 
     ROT_KEY             = $(BUILD_PLAT)/rot_key.pem
     ROTPK_HASH          = $(BUILD_PLAT)/rotpk_sha256.bin