1################################################################################
2# Following variables defines how the NS_USER (Non Secure User - Client
3# Application), NS_KERNEL (Non Secure Kernel), S_KERNEL (Secure Kernel) and
4# S_USER (Secure User - TA) are compiled
5################################################################################
6override COMPILE_NS_USER   := 64
7override COMPILE_NS_KERNEL := 64
8override COMPILE_S_USER    := 64
9override COMPILE_S_KERNEL  := 64
10
11# Need to set this before including common.mk
12BR2_TARGET_GENERIC_GETTY_PORT ?= ttyS0
13BR2_ROOTFS_POST_BUILD_SCRIPT ?= "board/raspberrypi3-64/post-build.sh"
14
15# Network support related packages:
16BR2_PACKAGE_DHCPCD ?= y
17BR2_PACKAGE_ETHTOOL ?= y
18BR2_PACKAGE_XINETD ?= y
19
20# SSH Packages :
21BR2_PACKAGE_OPENSSH ?= y
22BR2_PACKAGE_OPENSSH_SERVER ?= y
23BR2_PACKAGE_OPENSSH_KEY_UTILS ?= y
24
25OPTEE_OS_PLATFORM = rpi3
26
27include common.mk
28
29# Required tools to create the SD image
30BR2_PACKAGE_HOST_GENIMAGE=y
31
32# We need the ext2/4 image to be generated, so we will be able to copy that
33# directly into a parition on the image.
34BR2_TARGET_ROOTFS_EXT2=y
35BR2_TARGET_ROOTFS_EXT2_4=y
36BR2_TARGET_ROOTFS_EXT2_SIZE="256M"
37
38################################################################################
39# Paths to git projects and various binaries
40################################################################################
41TF_A_PATH		?= $(ROOT)/trusted-firmware-a
42TF_A_OUT		?= $(TF_A_PATH)/build/rpi3/debug
43TF_A_BOOT		?= $(TF_A_OUT)/armstub8.bin
44
45OPTEE_PATH		?= $(ROOT)/optee_os
46U-BOOT_PATH		?= $(ROOT)/u-boot
47U-BOOT_BIN		?= $(U-BOOT_PATH)/u-boot.bin
48
49RPI3_FIRMWARE_PATH	?= $(BUILD_PATH)/rpi3/firmware
50RPI3_BOOT_CONFIG	?= $(RPI3_FIRMWARE_PATH)/config.txt
51RPI3_UBOOT_ENV		?= $(ROOT)/out/uboot.env
52RPI3_UBOOT_ENV_TXT	?= $(RPI3_FIRMWARE_PATH)/uboot.env.txt
53RPI3_STOCK_FW_PATH	?= $(ROOT)/firmware
54RPI3_STOCK_FW_PATH_BOOT	?= $(RPI3_STOCK_FW_PATH)/boot
55OPTEE_BIN		?= $(OPTEE_PATH)/out/arm/core/tee-header_v2.bin
56OPTEE_BIN_EXTRA1	?= $(OPTEE_PATH)/out/arm/core/tee-pager_v2.bin
57OPTEE_BIN_EXTRA2	?= $(OPTEE_PATH)/out/arm/core/tee-pageable_v2.bin
58BOOT_PARTITION_FILES	?= $(ROOT)/out/boot
59CREATE_IMAGE		?= $(BUILD_PATH)/rpi3/scripts/create-image.sh
60
61LINUX_IMAGE		?= $(LINUX_PATH)/arch/arm64/boot/Image
62LINUX_DTB_RPI3_B	?= $(LINUX_PATH)/arch/arm64/boot/dts/broadcom/bcm2710-rpi-3-b.dtb
63LINUX_DTB_RPI3_BPLUS	?= $(LINUX_PATH)/arch/arm64/boot/dts/broadcom/bcm2710-rpi-3-b-plus.dtb
64MODULE_OUTPUT		?= $(ROOT)/module_output
65
66################################################################################
67# Targets
68################################################################################
69all: tf-a buildroot optee-os u-boot linux update_bootfs update_rootfs \
70	sdcard-image
71
72clean: tf-a-clean buildroot-clean u-boot-clean optee-os-clean
73
74include toolchain.mk
75
76################################################################################
77# ARM Trusted Firmware
78################################################################################
79TF_A_EXPORTS ?= \
80	CROSS_COMPILE="$(CCACHE)$(AARCH64_CROSS_COMPILE)"
81
82TF_A_FLAGS ?= \
83	NEED_BL32=yes \
84	BL32=$(OPTEE_BIN) \
85	BL32_EXTRA1=$(OPTEE_BIN_EXTRA1) \
86	BL32_EXTRA2=$(OPTEE_BIN_EXTRA2) \
87	BL33=$(U-BOOT_BIN) \
88	DEBUG=1 \
89	V=0 \
90	CRASH_REPORTING=1 \
91	LOG_LEVEL=40 \
92	PLAT=rpi3 \
93	RPI3_PRELOADED_DTB_BASE=0x00010000 \
94	SPD=opteed
95
96tf-a: optee-os u-boot
97	$(TF_A_EXPORTS) $(MAKE) -C $(TF_A_PATH) $(TF_A_FLAGS) all fip
98
99tf-a-clean:
100	$(TF_A_EXPORTS) $(MAKE) -C $(TF_A_PATH) $(TF_A_FLAGS) clean
101
102.PHONY: tf-a tf-a-clean
103
104################################################################################
105# Das U-Boot
106################################################################################
107U-BOOT_EXPORTS ?= CROSS_COMPILE=$(AARCH64_CROSS_COMPILE) ARCH=arm64
108U-BOOT_DEFCONFIG_COMMON_FILES := \
109		$(U-BOOT_PATH)/configs/rpi_3_defconfig \
110		$(CURDIR)/kconfigs/u-boot_rpi3.conf
111
112u-boot: u-boot-defconfig
113	$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) all
114	$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) tools
115
116u-boot-clean: u-boot-defconfig-clean
117	$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) clean
118
119u-boot-env: $(RPI3_UBOOT_ENV_TXT) u-boot
120	mkdir -p $(ROOT)/out
121	$(U-BOOT_PATH)/tools/mkenvimage -s 0x4000 -o $(RPI3_UBOOT_ENV) \
122		$(RPI3_UBOOT_ENV_TXT)
123
124u-boot-env-clean:
125	rm -f $(RPI3_UBOOT_ENV)
126
127u-boot-defconfig: $(U-BOOT_DEFCONFIG_COMMON_FILES)
128	cd $(U-BOOT_PATH) && \
129		ARCH=arm64 \
130		scripts/kconfig/merge_config.sh $(U-BOOT_DEFCONFIG_COMMON_FILES)
131
132u-boot-defconfig-clean:
133	rm -f $(U-BOOT_PATH)/.config
134
135.PHONY: u-boot u-boot-clean u-boot-defconfig u-boot-defconfig-clean u-boot-env \
136	u-boot-env-clean
137
138################################################################################
139# Linux kernel
140################################################################################
141LINUX_DEFCONFIG_COMMON_ARCH := arm64
142LINUX_DEFCONFIG_COMMON_FILES := \
143		$(LINUX_PATH)/arch/arm64/configs/bcmrpi3_defconfig \
144		$(CURDIR)/kconfigs/rpi3.conf
145
146linux-defconfig: $(LINUX_PATH)/.config
147
148LINUX_COMMON_FLAGS += ARCH=arm64
149
150linux: linux-common
151	$(MAKE) -C $(LINUX_PATH) $(LINUX_COMMON_FLAGS) INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=$(MODULE_OUTPUT) modules_install
152
153linux-defconfig-clean: linux-defconfig-clean-common
154
155LINUX_CLEAN_COMMON_FLAGS += ARCH=arm64
156
157linux-clean: linux-clean-common
158
159LINUX_CLEANER_COMMON_FLAGS += ARCH=arm64
160
161linux-cleaner: linux-cleaner-common
162
163.PHONY: linux linux-defconfig-clean linux-clean linux-cleaner
164
165################################################################################
166# OP-TEE
167################################################################################
168optee-os: optee-os-common
169optee-os-clean: optee-os-clean-common
170
171################################################################################
172# Root FS
173################################################################################
174.PHONY: update_rootfs
175# Make sure this is built before the buildroot target which will create the
176# root file system based on what's in $(BUILDROOT_TARGET_ROOT)
177buildroot: update_rootfs
178update_rootfs: linux
179	@mkdir -p --mode=755 $(BUILDROOT_TARGET_ROOT)/usr/bin
180	@cd $(MODULE_OUTPUT) && find . | cpio -pudm $(BUILDROOT_TARGET_ROOT)
181
182update_bootfs: tf-a linux u-boot-env
183	@mkdir -p --mode=755 $(BOOT_PARTITION_FILES)
184	@install -v -p --mode=755 $(LINUX_DTB_RPI3_B) $(BOOT_PARTITION_FILES)/bcm2710-rpi-3-b.dtb
185	@install -v -p --mode=755 $(LINUX_DTB_RPI3_BPLUS) $(BOOT_PARTITION_FILES)/bcm2710-rpi-3-b-plus.dtb
186	@install -v -p --mode=755 $(RPI3_BOOT_CONFIG) $(BOOT_PARTITION_FILES)/config.txt
187	@install -v -p --mode=755 $(LINUX_IMAGE) $(BOOT_PARTITION_FILES)/kernel8.img
188	@install -v -p --mode=755 $(TF_A_BOOT) $(BOOT_PARTITION_FILES)/armstub8.bin
189	@install -v -p --mode=755 $(RPI3_UBOOT_ENV) $(BOOT_PARTITION_FILES)/uboot.env
190	@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/bootcode.bin $(BOOT_PARTITION_FILES)/bootcode.bin
191	@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/COPYING.linux $(BOOT_PARTITION_FILES)/COPYING.linux
192	@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/fixup_cd.dat $(BOOT_PARTITION_FILES)/fixup_cd.dat
193	@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/fixup.dat $(BOOT_PARTITION_FILES)/fixup.dat
194	@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/fixup_db.dat $(BOOT_PARTITION_FILES)/fixup_db.dat
195	@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/fixup_x.dat $(BOOT_PARTITION_FILES)/fixup_x.dat
196	@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/LICENCE.broadcom $(BOOT_PARTITION_FILES)/LICENCE.broadcom
197	@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/start_cd.elf $(BOOT_PARTITION_FILES)/start_cd.elf
198	@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/start_db.elf $(BOOT_PARTITION_FILES)/start_db.elf
199	@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/start.elf $(BOOT_PARTITION_FILES)/start.elf
200	@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/start_x.elf $(BOOT_PARTITION_FILES)/start_x.elf
201
202.PHONY: sdcard-image
203sdcard-image: update_bootfs update_rootfs buildroot
204	$(CREATE_IMAGE) -w $(ROOT)
205
206# Creating images etc, could wipe out a drive on the system, therefore we don't
207# want to automate that in script or make target. Instead we just simply provide
208# the steps here.
209.PHONY: img-help
210img-help:
211	@echo "Use 'dmesg' to find your device/SD-card name, then run the following as root:"
212	@echo "   $$ sudo dd if=$(ROOT)/out/rpi3-sdcard.img of=/dev/<name-of-my-sd-card> bs=1024k conv=fsync status=progress"
213