1#
2# Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6
7ARM_CORTEX_A7		:=	yes
8ARM_WITH_NEON		:=	yes
9BL2_AT_EL3		:=	1
10USE_COHERENT_MEM	:=	0
11
12# Allow TF-A to concatenate BL2 & BL32 binaries in a single file,
13# share DTB file between BL2 and BL32
14# If it is set to 0, then FIP is used
15STM32MP_USE_STM32IMAGE	?=	0
16
17ifneq ($(STM32MP_USE_STM32IMAGE),1)
18ENABLE_PIE		:=	1
19endif
20
21STM32_TF_VERSION	?=	0
22
23# Enable dynamic memory mapping
24PLAT_XLAT_TABLES_DYNAMIC :=	1
25
26ifeq ($(AARCH32_SP),sp_min)
27# Disable Neon support: sp_min runtime may conflict with non-secure world
28TF_CFLAGS		+=	-mfloat-abi=soft
29endif
30
31# Not needed for Cortex-A7
32WORKAROUND_CVE_2017_5715:=	0
33
34# Number of TF-A copies in the device
35STM32_TF_A_COPIES		:=	2
36STM32_BL33_PARTS_NUM		:=	1
37ifeq ($(AARCH32_SP),optee)
38STM32_RUNTIME_PARTS_NUM		:=	3
39else ifeq ($(STM32MP_USE_STM32IMAGE),1)
40STM32_RUNTIME_PARTS_NUM		:=	0
41else
42STM32_RUNTIME_PARTS_NUM		:=	1
43endif
44PLAT_PARTITION_MAX_ENTRIES	:=	$(shell echo $$(($(STM32_TF_A_COPIES) + \
45							 $(STM32_BL33_PARTS_NUM) + \
46							 $(STM32_RUNTIME_PARTS_NUM))))
47
48# Boot devices
49STM32MP_EMMC		?=	0
50STM32MP_SDMMC		?=	0
51STM32MP_RAW_NAND	?=	0
52STM32MP_SPI_NAND	?=	0
53STM32MP_SPI_NOR		?=	0
54STM32MP_EMMC_BOOT	?=	0
55
56# Serial boot devices
57STM32MP_USB_PROGRAMMER	?=	0
58
59# Device tree
60DTB_FILE_NAME		?=	stm32mp157c-ev1.dtb
61ifeq ($(STM32MP_USE_STM32IMAGE),1)
62ifeq ($(AARCH32_SP),optee)
63BL2_DTSI		:=	stm32mp15-bl2.dtsi
64FDT_SOURCES		:=	$(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl2.dts,$(DTB_FILE_NAME)))
65else
66FDT_SOURCES		:=	$(addprefix fdts/, $(patsubst %.dtb,%.dts,$(DTB_FILE_NAME)))
67endif
68else
69BL2_DTSI		:=	stm32mp15-bl2.dtsi
70FDT_SOURCES		:=	$(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl2.dts,$(DTB_FILE_NAME)))
71ifeq ($(AARCH32_SP),sp_min)
72BL32_DTSI		:=	stm32mp15-bl32.dtsi
73FDT_SOURCES		+=	$(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl32.dts,$(DTB_FILE_NAME)))
74endif
75endif
76DTC_CPPFLAGS		+=	${INCLUDES}
77DTC_FLAGS		+=	-Wno-unit_address_vs_reg
78
79# Macros and rules to build TF binary
80STM32_TF_ELF_LDFLAGS	:=	--hash-style=gnu --as-needed
81STM32_TF_STM32		:=	$(addprefix ${BUILD_PLAT}/tf-a-, $(patsubst %.dtb,%.stm32,$(DTB_FILE_NAME)))
82STM32_TF_LINKERFILE	:=	${BUILD_PLAT}/stm32mp1.ld
83
84ASFLAGS			+= -DBL2_BIN_PATH=\"${BUILD_PLAT}/bl2.bin\"
85ifeq ($(AARCH32_SP),sp_min)
86# BL32 is built only if using SP_MIN
87BL32_DEP		:= bl32
88ASFLAGS			+= -DBL32_BIN_PATH=\"${BUILD_PLAT}/bl32.bin\"
89endif
90
91# Variables for use with stm32image
92STM32IMAGEPATH		?= tools/stm32image
93STM32IMAGE		?= ${STM32IMAGEPATH}/stm32image${BIN_EXT}
94STM32IMAGE_SRC		:= ${STM32IMAGEPATH}/stm32image.c
95
96ifneq (${STM32MP_USE_STM32IMAGE},1)
97FIP_DEPS		+=	dtbs
98STM32MP_HW_CONFIG	:=	${BL33_CFG}
99STM32MP_FW_CONFIG_NAME	:=	$(patsubst %.dtb,%-fw-config.dtb,$(DTB_FILE_NAME))
100STM32MP_FW_CONFIG	:=	${BUILD_PLAT}/fdts/$(STM32MP_FW_CONFIG_NAME)
101ifneq (${AARCH32_SP},none)
102FDT_SOURCES		+=	$(addprefix fdts/, $(patsubst %.dtb,%.dts,$(STM32MP_FW_CONFIG_NAME)))
103endif
104# Add the FW_CONFIG to FIP and specify the same to certtool
105$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_FW_CONFIG},--fw-config))
106# Add the HW_CONFIG to FIP and specify the same to certtool
107$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_HW_CONFIG},--hw-config))
108ifeq ($(AARCH32_SP),sp_min)
109STM32MP_TOS_FW_CONFIG	:= $(addprefix ${BUILD_PLAT}/fdts/, $(patsubst %.dtb,%-bl32.dtb,$(DTB_FILE_NAME)))
110$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_TOS_FW_CONFIG},--tos-fw-config))
111else
112# Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images
113# in the FIP if the platform requires.
114ifneq ($(BL32_EXTRA1),)
115$(eval $(call TOOL_ADD_IMG,BL32_EXTRA1,--tos-fw-extra1))
116endif
117ifneq ($(BL32_EXTRA2),)
118$(eval $(call TOOL_ADD_IMG,BL32_EXTRA2,--tos-fw-extra2))
119endif
120endif
121endif
122
123# Enable flags for C files
124$(eval $(call assert_booleans,\
125	$(sort \
126		STM32MP_EMMC \
127		STM32MP_SDMMC \
128		STM32MP_RAW_NAND \
129		STM32MP_SPI_NAND \
130		STM32MP_SPI_NOR \
131		STM32MP_EMMC_BOOT \
132		PLAT_XLAT_TABLES_DYNAMIC \
133		STM32MP_USB_PROGRAMMER \
134		STM32MP_USE_STM32IMAGE \
135)))
136
137$(eval $(call assert_numerics,\
138	$(sort \
139		STM32_TF_A_COPIES \
140		PLAT_PARTITION_MAX_ENTRIES \
141)))
142
143$(eval $(call add_defines,\
144	$(sort \
145		STM32MP_EMMC \
146		STM32MP_SDMMC \
147		STM32MP_RAW_NAND \
148		STM32MP_SPI_NAND \
149		STM32MP_SPI_NOR \
150		STM32MP_EMMC_BOOT \
151		PLAT_XLAT_TABLES_DYNAMIC \
152		STM32_TF_A_COPIES \
153		PLAT_PARTITION_MAX_ENTRIES \
154		STM32MP_USB_PROGRAMMER \
155		STM32MP_USE_STM32IMAGE \
156)))
157
158# Include paths and source files
159PLAT_INCLUDES		:=	-Iplat/st/common/include/
160PLAT_INCLUDES		+=	-Iplat/st/stm32mp1/include/
161
162ifeq (${STM32MP_USE_STM32IMAGE},1)
163include common/fdt_wrappers.mk
164else
165include lib/fconf/fconf.mk
166endif
167include lib/libfdt/libfdt.mk
168
169PLAT_BL_COMMON_SOURCES	:=	common/uuid.c						\
170				plat/st/common/stm32mp_common.c				\
171				plat/st/stm32mp1/stm32mp1_private.c
172
173PLAT_BL_COMMON_SOURCES	+=	drivers/st/uart/aarch32/stm32_console.S
174
175ifneq (${ENABLE_STACK_PROTECTOR},0)
176PLAT_BL_COMMON_SOURCES	+=	plat/st/stm32mp1/stm32mp1_stack_protector.c
177endif
178
179include lib/xlat_tables_v2/xlat_tables.mk
180PLAT_BL_COMMON_SOURCES	+=	${XLAT_TABLES_LIB_SRCS}
181
182PLAT_BL_COMMON_SOURCES	+=	lib/cpus/aarch32/cortex_a7.S
183
184PLAT_BL_COMMON_SOURCES	+=	drivers/arm/tzc/tzc400.c				\
185				drivers/delay_timer/delay_timer.c			\
186				drivers/delay_timer/generic_delay_timer.c		\
187				drivers/st/bsec/bsec.c					\
188				drivers/st/clk/stm32mp_clkfunc.c			\
189				drivers/st/clk/stm32mp1_clk.c				\
190				drivers/st/ddr/stm32mp1_ddr_helpers.c			\
191				drivers/st/gpio/stm32_gpio.c				\
192				drivers/st/i2c/stm32_i2c.c				\
193				drivers/st/iwdg/stm32_iwdg.c				\
194				drivers/st/pmic/stm32mp_pmic.c				\
195				drivers/st/pmic/stpmic1.c				\
196				drivers/st/reset/stm32mp1_reset.c			\
197				plat/st/common/stm32mp_dt.c				\
198				plat/st/stm32mp1/stm32mp1_context.c			\
199				plat/st/stm32mp1/stm32mp1_dbgmcu.c			\
200				plat/st/stm32mp1/stm32mp1_helper.S			\
201				plat/st/stm32mp1/stm32mp1_syscfg.c
202
203ifneq (${STM32MP_USE_STM32IMAGE},1)
204BL2_SOURCES		+=	${FCONF_SOURCES} ${FCONF_DYN_SOURCES}
205
206BL2_SOURCES		+=	drivers/io/io_fip.c					\
207				plat/st/common/bl2_io_storage.c				\
208				plat/st/common/stm32mp_fconf_io.c			\
209				plat/st/stm32mp1/plat_bl2_mem_params_desc.c		\
210				plat/st/stm32mp1/stm32mp1_fconf_firewall.c
211else
212BL2_SOURCES		+=	${FDT_WRAPPERS_SOURCES}
213
214BL2_SOURCES		+=	drivers/io/io_dummy.c					\
215				drivers/st/io/io_stm32image.c				\
216				plat/st/common/bl2_stm32_io_storage.c			\
217				plat/st/stm32mp1/plat_bl2_stm32_mem_params_desc.c	\
218				plat/st/stm32mp1/stm32mp1_security.c
219endif
220
221BL2_SOURCES		+=	drivers/io/io_block.c					\
222				drivers/io/io_mtd.c					\
223				drivers/io/io_storage.c					\
224				drivers/st/crypto/stm32_hash.c				\
225				plat/st/common/stm32mp_auth.c				\
226				plat/st/stm32mp1/bl2_plat_setup.c
227
228ifneq ($(filter 1,${STM32MP_EMMC} ${STM32MP_SDMMC}),)
229BL2_SOURCES		+=	drivers/mmc/mmc.c					\
230				drivers/partition/gpt.c					\
231				drivers/partition/partition.c				\
232				drivers/st/io/io_mmc.c					\
233				drivers/st/mmc/stm32_sdmmc2.c
234endif
235
236ifeq (${STM32MP_RAW_NAND},1)
237$(eval $(call add_define_val,NAND_ONFI_DETECT,1))
238BL2_SOURCES		+=	drivers/mtd/nand/raw_nand.c				\
239				drivers/st/fmc/stm32_fmc2_nand.c
240endif
241
242ifeq (${STM32MP_SPI_NAND},1)
243BL2_SOURCES		+=	drivers/mtd/nand/spi_nand.c
244endif
245
246ifeq (${STM32MP_SPI_NOR},1)
247BL2_SOURCES		+=	drivers/mtd/nor/spi_nor.c
248endif
249
250ifneq ($(filter 1,${STM32MP_SPI_NAND} ${STM32MP_SPI_NOR}),)
251BL2_SOURCES		+=	drivers/mtd/spi-mem/spi_mem.c				\
252				drivers/st/spi/stm32_qspi.c
253endif
254
255ifneq ($(filter 1,${STM32MP_RAW_NAND} ${STM32MP_SPI_NAND}),)
256BL2_SOURCES		+=	drivers/mtd/nand/core.c
257endif
258
259ifneq ($(filter 1,${STM32MP_RAW_NAND} ${STM32MP_SPI_NAND} ${STM32MP_SPI_NOR}),)
260BL2_SOURCES		+=	plat/st/stm32mp1/stm32mp1_boot_device.c
261endif
262
263ifeq (${STM32MP_USB_PROGRAMMER},1)
264#The DFU stack uses only one end point, reduce the USB stack footprint
265$(eval $(call add_define_val,CONFIG_USBD_EP_NB,1U))
266BL2_SOURCES		+=	drivers/io/io_memmap.c					\
267				drivers/st/usb/stm32mp1_usb.c				\
268				drivers/usb/usb_device.c				\
269				plat/st/common/stm32cubeprogrammer_usb.c		\
270				plat/st/common/usb_dfu.c					\
271				plat/st/stm32mp1/stm32mp1_usb_dfu.c
272endif
273
274BL2_SOURCES		+=	drivers/st/ddr/stm32mp1_ddr.c				\
275				drivers/st/ddr/stm32mp1_ram.c
276
277BL2_SOURCES		+=	common/desc_image_load.c				\
278				plat/st/stm32mp1/plat_image_load.c
279
280BL2_SOURCES		+=	lib/optee/optee_utils.c
281
282# Compilation rules
283.PHONY: check_dtc_version stm32image clean_stm32image check_boot_device
284.SUFFIXES:
285
286all: check_dtc_version stm32image ${STM32_TF_STM32}
287
288distclean realclean clean: clean_stm32image
289
290bl2: check_boot_device
291
292check_boot_device:
293	@if [ ${STM32MP_EMMC} != 1 ] && \
294	    [ ${STM32MP_SDMMC} != 1 ] && \
295	    [ ${STM32MP_RAW_NAND} != 1 ] && \
296	    [ ${STM32MP_SPI_NAND} != 1 ] && \
297	    [ ${STM32MP_SPI_NOR} != 1 ] && \
298	    [ ${STM32MP_USB_PROGRAMMER} != 1 ]; then \
299		echo "No boot device driver is enabled"; \
300		false; \
301	fi
302
303stm32image: ${STM32IMAGE}
304
305${STM32IMAGE}: ${STM32IMAGE_SRC}
306	${Q}${MAKE} CPPFLAGS="" --no-print-directory -C ${STM32IMAGEPATH}
307
308clean_stm32image:
309	${Q}${MAKE} --no-print-directory -C ${STM32IMAGEPATH} clean
310
311check_dtc_version:
312	$(eval DTC_V = $(shell $(DTC) -v | awk '{print $$NF}'))
313	$(eval DTC_VERSION = $(shell printf "%d" $(shell echo ${DTC_V} | cut -d- -f1 | sed "s/\./0/g")))
314	@if [ ${DTC_VERSION} -lt 10404 ]; then \
315		echo "dtc version too old (${DTC_V}), you need at least version 1.4.4"; \
316		false; \
317	fi
318
319ifeq ($(STM32MP_USE_STM32IMAGE)-$(AARCH32_SP),1-sp_min)
320${BUILD_PLAT}/stm32mp1-%.o: ${BUILD_PLAT}/fdts/%.dtb plat/st/stm32mp1/stm32mp1.S bl2 ${BL32_DEP}
321	@echo "  AS      stm32mp1.S"
322	${Q}${AS} ${ASFLAGS} ${TF_CFLAGS} \
323		-DDTB_BIN_PATH=\"$<\" \
324		-c $(word 2,$^) -o $@
325else
326# Create DTB file for BL2
327${BUILD_PLAT}/fdts/%-bl2.dts: fdts/%.dts fdts/${BL2_DTSI} | ${BUILD_PLAT} fdt_dirs
328	@echo '#include "$(patsubst fdts/%,%,$<)"' > $@
329	@echo '#include "${BL2_DTSI}"' >> $@
330
331${BUILD_PLAT}/fdts/%-bl2.dtb: ${BUILD_PLAT}/fdts/%-bl2.dts
332
333ifeq ($(AARCH32_SP),sp_min)
334# Create DTB file for BL32
335${BUILD_PLAT}/fdts/%-bl32.dts: fdts/%.dts fdts/${BL32_DTSI} | ${BUILD_PLAT} fdt_dirs
336	@echo '#include "$(patsubst fdts/%,%,$<)"' > $@
337	@echo '#include "${BL32_DTSI}"' >> $@
338
339${BUILD_PLAT}/fdts/%-bl32.dtb: ${BUILD_PLAT}/fdts/%-bl32.dts
340endif
341
342${BUILD_PLAT}/stm32mp1-%.o: ${BUILD_PLAT}/fdts/%-bl2.dtb plat/st/stm32mp1/stm32mp1.S bl2
343	@echo "  AS      stm32mp1.S"
344	${Q}${AS} ${ASFLAGS} ${TF_CFLAGS} \
345		-DDTB_BIN_PATH=\"$<\" \
346		-c plat/st/stm32mp1/stm32mp1.S -o $@
347endif
348
349$(eval $(call MAKE_LD,${STM32_TF_LINKERFILE},plat/st/stm32mp1/stm32mp1.ld.S,bl2))
350
351tf-a-%.elf: stm32mp1-%.o ${STM32_TF_LINKERFILE}
352	@echo "  LDS     $<"
353	${Q}${LD} -o $@ ${STM32_TF_ELF_LDFLAGS} -Map=$(@:.elf=.map) --script ${STM32_TF_LINKERFILE} $<
354
355tf-a-%.bin: tf-a-%.elf
356	${Q}${OC} -O binary $< $@
357	@echo
358	@echo "Built $@ successfully"
359	@echo
360
361tf-a-%.stm32: ${STM32IMAGE} tf-a-%.bin
362	@echo
363	@echo "Generate $@"
364	$(eval LOADADDR = $(shell cat $(@:.stm32=.map) | grep RAM | awk '{print $$2}'))
365	$(eval ENTRY = $(shell cat $(@:.stm32=.map) | grep "__BL2_IMAGE_START" | awk '{print $$1}'))
366	${Q}${STM32IMAGE} -s $(word 2,$^) -d $@ \
367		-l $(LOADADDR) -e ${ENTRY} \
368		-v ${STM32_TF_VERSION}
369	@echo
370