diff --git a/plat/rpi3/platform.mk b/plat/rpi3/platform.mk
index 2aaf406..df19705 100644
--- a/plat/rpi3/platform.mk
+++ b/plat/rpi3/platform.mk
@@ -134,3 +134,48 @@
 ifneq ($(BL32_EXTRA2),)
 $(eval $(call TOOL_ADD_IMG,BL32_EXTRA2,--tos-fw-extra2))
 endif
+
+ifneq (${TRUSTED_BOARD_BOOT},0)
+
+    include drivers/auth/mbedtls/mbedtls_crypto.mk
+    include drivers/auth/mbedtls/mbedtls_x509.mk
+
+    USE_TBBR_DEFS	:=	1
+
+    AUTH_SOURCES	:=	drivers/auth/auth_mod.c			\
+				drivers/auth/crypto_mod.c		\
+				drivers/auth/img_parser_mod.c		\
+				drivers/auth/tbbr/tbbr_cot.c
+
+    PLAT_INCLUDES	+=	-Iinclude/bl1/tbbr
+
+    BL1_SOURCES		+=	${AUTH_SOURCES}				\
+				bl1/tbbr/tbbr_img_desc.c		\
+				plat/common/tbbr/plat_tbbr.c		\
+				plat/rpi3/rpi3_trusted_boot.c	     	\
+				plat/rpi3/rpi3_rotpk.S
+
+    BL2_SOURCES		+=	${AUTH_SOURCES}				\
+				plat/common/tbbr/plat_tbbr.c		\
+				plat/rpi3/rpi3_trusted_boot.c	     	\
+				plat/rpi3/rpi3_rotpk.S
+
+    ROT_KEY             = $(BUILD_PLAT)/rot_key.pem
+    ROTPK_HASH          = $(BUILD_PLAT)/rotpk_sha256.bin
+
+    $(eval $(call add_define_val,ROTPK_HASH,'"$(ROTPK_HASH)"'))
+
+    $(BUILD_PLAT)/bl1/rpi3_rotpk.o: $(ROTPK_HASH)
+    $(BUILD_PLAT)/bl2/rpi3_rotpk.o: $(ROTPK_HASH)
+
+    certificates: $(ROT_KEY)
+
+    $(ROT_KEY):
+	@echo "  OPENSSL $@"
+	$(Q)openssl genrsa 2048 > $@ 2>/dev/null
+
+    $(ROTPK_HASH): $(ROT_KEY)
+	@echo "  OPENSSL $@"
+	$(Q)openssl rsa -in $< -pubout -outform DER 2>/dev/null |\
+	openssl dgst -sha256 -binary > $@ 2>/dev/null
+endif