nxp-tool: for creating pbl file from bl2

NXP tool to create pbl from bl2 binary:
- RCW is prepended to BL2.bin
- If TRUSTED_BOARD_BOOT=1, pre-append the CSF header
	to be understood by NXP boot-rom.

Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: Iddc7336a045222e2073ddad86358ebc4440b8bcf
diff --git a/tools/nxp/create_pbl/pbl_ch3.mk b/tools/nxp/create_pbl/pbl_ch3.mk
new file mode 100644
index 0000000..e9dbfb0
--- /dev/null
+++ b/tools/nxp/create_pbl/pbl_ch3.mk
@@ -0,0 +1,71 @@
+#
+# Copyright 2018-2020 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+SHELL=/bin/bash
+
+CREATE_PBL	?=	${CREATE_PBL_TOOL_PATH}/create_pbl${BIN_EXT}
+BYTE_SWAP	?=	${CREATE_PBL_TOOL_PATH}/byte_swap${BIN_EXT}
+
+HOST_GCC	:= gcc
+
+BL2_SRC_OFFSET ?= 0x9000
+BL2_HDR_SRC_OFFSET ?= 0x5000
+bl2_hdr_loc=$(shell echo $$(( $(BL2_HDR_SRC_OFFSET) / 1024 )))
+bl2_loc=$(shell echo $$(( $(BL2_SRC_OFFSET) / 1024 )))
+
+.PHONY: pbl
+pbl:	${BUILD_PLAT}/bl2.bin
+ifeq ($(SECURE_BOOT),yes)
+pbl: ${BUILD_PLAT}/bl2.bin
+ifeq ($(RCW),"")
+	${Q}echo "Platform ${PLAT} requires rcw file. Please set RCW to point to the right RCW file for boot mode ${BOOT_MODE}"
+else
+	# Generate header for bl2.bin
+	$(Q)$(CST_DIR)/create_hdr_isbc --in ${BUILD_PLAT}/bl2.bin --out ${BUILD_PLAT}/hdr_bl2 ${BL2_INPUT_FILE}
+
+	# Compile create_pbl tool
+	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${CREATE_PBL_TOOL_PATH};\
+
+	# Add Block Copy command for bl2.bin to RCW
+	${CREATE_PBL} -r ${RCW} -i ${BUILD_PLAT}/bl2.bin -b ${BOOT_MODE} -c ${SOC_NUM} -d ${BL2_BASE} -e ${BL2_BASE}\
+			-o ${BUILD_PLAT}/bl2_${BOOT_MODE}.pbl -f ${BL2_SRC_OFFSET};\
+
+	# Add Block Copy command and Load CSF header command to RCW
+	${CREATE_PBL} -r ${BUILD_PLAT}/bl2_${BOOT_MODE}.pbl -i ${BUILD_PLAT}/hdr_bl2 -b ${BOOT_MODE} -c ${SOC_NUM} \
+			-d ${BL2_HDR_LOC} -e ${BL2_HDR_LOC} -s -f ${BL2_HDR_SRC_OFFSET}	\
+			-o ${BUILD_PLAT}/rcw_sec.pbl
+
+	# Sign and add "Load Security Header command to PBI commands
+	$(Q)$(CST_DIR)/create_hdr_pbi --out ${BUILD_PLAT}/bl2_${BOOT_MODE}_sec.pbl --in ${BUILD_PLAT}/rcw_sec.pbl ${PBI_INPUT_FILE}
+
+	# Append the bl2_hdr to the RCW image
+	@echo "${bl2_hdr_loc}"
+	dd if=${BUILD_PLAT}/hdr_bl2 of=${BUILD_PLAT}/bl2_${BOOT_MODE}_sec.pbl bs=1K seek=${bl2_hdr_loc}
+
+	# Append the bl2.bin to the RCW image
+	@echo "${bl2_loc}"
+	dd if=${BUILD_PLAT}/bl2.bin of=${BUILD_PLAT}/bl2_${BOOT_MODE}_sec.pbl bs=1K seek=${bl2_loc}
+
+	rm ${BUILD_PLAT}/bl2_${BOOT_MODE}.pbl
+	cd ${CREATE_PBL_TOOL_PATH}; ${MAKE} clean ; cd -;
+endif
+else  #SECURE_BOOT
+ifeq ($(RCW),"")
+	${Q}echo "Platform ${PLAT} requires rcw file. Please set RCW to point to the right RCW file for boot mode ${BOOT_MODE}"
+else
+	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${CREATE_PBL_TOOL_PATH};
+
+	# Add Block Copy command and populate boot loc ptrfor bl2.bin to RCW
+	${CREATE_PBL} -r ${RCW} -i ${BUILD_PLAT}/bl2.bin -b ${BOOT_MODE} -c ${SOC_NUM} -d ${BL2_BASE} -e ${BL2_BASE} \
+	-o ${BUILD_PLAT}/bl2_${BOOT_MODE}.pbl -f ${BL2_SRC_OFFSET};
+
+	# Append the bl2.bin to the RCW image
+	@echo "bl2_loc is ${bl2_offset}"
+	dd if=${BUILD_PLAT}/bl2.bin of=${BUILD_PLAT}/bl2_${BOOT_MODE}.pbl bs=1K seek=${bl2_loc}
+
+	cd ${CREATE_PBL_TOOL_PATH}; ${MAKE} clean ; cd -;
+endif
+endif # SECURE_BOOT