refactor(st): add common mk files
Group configuration that could be common to several ST platforms.
Two common makefiles are created: common.mk for definitions and files
to compile, and common_rules.mk that gathers makefile compilation rules.
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: I7ea9b75c78e7d916854cdd984bbf921b1a46ebc4
diff --git a/plat/st/common/common_rules.mk b/plat/st/common/common_rules.mk
new file mode 100644
index 0000000..302624e
--- /dev/null
+++ b/plat/st/common/common_rules.mk
@@ -0,0 +1,79 @@
+#
+# Copyright (c) 2023, STMicroelectronics - All Rights Reserved
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# Compilation rules
+.PHONY: check_dtc_version stm32image clean_stm32image check_boot_device
+.SUFFIXES:
+
+all: check_dtc_version stm32image ${STM32_TF_STM32}
+
+distclean realclean clean: clean_stm32image
+
+bl2: check_boot_device
+
+check_boot_device:
+ @if [ ${STM32MP_EMMC} != 1 ] && \
+ [ ${STM32MP_SDMMC} != 1 ] && \
+ [ ${STM32MP_RAW_NAND} != 1 ] && \
+ [ ${STM32MP_SPI_NAND} != 1 ] && \
+ [ ${STM32MP_SPI_NOR} != 1 ] && \
+ [ ${STM32MP_UART_PROGRAMMER} != 1 ] && \
+ [ ${STM32MP_USB_PROGRAMMER} != 1 ]; then \
+ echo "No boot device driver is enabled"; \
+ false; \
+ fi
+
+stm32image: ${STM32IMAGE}
+
+${STM32IMAGE}: ${STM32IMAGE_SRC}
+ ${Q}${MAKE} CPPFLAGS="" --no-print-directory -C ${STM32IMAGEPATH}
+
+clean_stm32image:
+ ${Q}${MAKE} --no-print-directory -C ${STM32IMAGEPATH} clean
+
+check_dtc_version:
+ @if [ ${DTC_VERSION} -lt 10404 ]; then \
+ echo "dtc version too old (${DTC_V}), you need at least version 1.4.4"; \
+ false; \
+ fi
+
+# Create DTB file for BL2
+${BUILD_PLAT}/fdts/%-bl2.dts: fdts/%.dts fdts/${BL2_DTSI} | ${BUILD_PLAT} fdt_dirs
+ @echo '#include "$(patsubst fdts/%,%,$<)"' > $@
+ @echo '#include "${BL2_DTSI}"' >> $@
+
+${BUILD_PLAT}/fdts/%-bl2.dtb: ${BUILD_PLAT}/fdts/%-bl2.dts
+
+${BUILD_PLAT}/$(PLAT)-%.o: ${BUILD_PLAT}/fdts/%-bl2.dtb $(STM32_BINARY_MAPPING) bl2
+ @echo " AS $${PLAT}.S"
+ ${Q}${AS} ${ASFLAGS} ${TF_CFLAGS} \
+ -DDTB_BIN_PATH=\"$<\" \
+ -c $(word 2,$^) -o $@
+
+$(eval $(call MAKE_LD,${STM32_TF_LINKERFILE},$(STM32_LD_FILE),bl2))
+
+tf-a-%.elf: $(PLAT)-%.o ${STM32_TF_LINKERFILE}
+ @echo " LDS $<"
+ ${Q}${LD} -o $@ ${STM32_TF_ELF_LDFLAGS} -Map=$(@:.elf=.map) --script ${STM32_TF_LINKERFILE} $<
+
+tf-a-%.bin: tf-a-%.elf
+ ${Q}${OC} -O binary $< $@
+ @echo
+ @echo "Built $@ successfully"
+ @echo
+
+tf-a-%.stm32: tf-a-%.bin ${STM32_DEPS}
+ @echo
+ @echo "Generate $@"
+ $(eval LOADADDR = $(shell cat $(@:.stm32=.map) | grep RAM | awk '{print $$2}'))
+ $(eval ENTRY = $(shell cat $(@:.stm32=.map) | grep "__BL2_IMAGE_START" | awk '{print $$1}'))
+ ${Q}${STM32IMAGE} -s $< -d $@ \
+ -l $(LOADADDR) -e ${ENTRY} \
+ -v ${STM32_TF_VERSION} \
+ -m ${STM32_HEADER_VERSION_MAJOR} \
+ -n ${STM32_HEADER_VERSION_MINOR} \
+ -b ${STM32_HEADER_BL2_BINARY_TYPE}
+ @echo