Add support for DeveloperBox

This commit add supports to build flash binaries for DeveloperBox.
It builds an OPTEE binary, a FIP package containing the OPTEE,
a flash image containing the FIP package and EDK2, and its
corresponding update capsule.

Signed-off-by: Pipat Methavanitpong <pipat.methavanitpong@linaro.org>
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>
diff --git a/synquacer.mk b/synquacer.mk
new file mode 100644
index 0000000..d787fc1
--- /dev/null
+++ b/synquacer.mk
@@ -0,0 +1,127 @@
+################################################################################
+# Following variables defines how the NS_USER (Non-Secure User - Client
+# Application), NS_KERNEL (Non-Secure Kernel), S_KERNEL (Secure Kernel) and
+# S_USER (Secure User - TA) are compiled
+################################################################################
+COMPILE_NS_USER   ?= 64
+COMPILE_NS_KERNEL ?= 64
+COMPILE_S_USER    ?= 64
+COMPILE_S_KERNEL  ?= 64
+
+DEBUG ?= 0
+ifeq ($(DEBUG),1)
+TFA_BUILD ?= debug
+else
+TFA_BUILD ?= release
+endif
+ifeq ($(DEBUG),1)
+EDK2_BUILD ?= DEBUG
+else
+EDK2_BUILD ?= RELEASE
+endif
+
+################################################################################
+# Includes
+################################################################################
+include common.mk
+include toolchain.mk
+
+################################################################################
+# Paths to git projects and various binaries
+################################################################################
+TFA_PATH ?= $(ROOT)/arm-trusted-firmware
+TFA_OUT ?= $(TFA_PATH)/build/synquacer/$(TFA_BUILD)
+TFA_BL31 ?= $(TFA_OUT)/bl31.bin
+TFA_BL32 ?= $(TFA_OUT)/bl32.bin
+TFA_FIP ?= $(TFA_OUT)/fip_all_arm_tf.bin
+FIPTOOL ?= $(TFA_PATH)/tools/fiptool/fiptool
+EDK2_PATH ?= $(ROOT)/edk2
+EDK2_PLATFORMS_PATH ?= $(ROOT)/edk2-platforms
+EDK2_NON_OSI_PATH ?= $(ROOT)/edk2-non-osi
+EDK2_PKGS_PATH := "$(EDK2_PATH):$(EDK2_PLATFORMS_PATH):$(EDK2_NON_OSI_PATH)"
+EDK2_FIP ?= $(EDK2_NON_OSI_PATH)/Platform/Socionext/DeveloperBox/fip_all_arm_tf.bin
+
+################################################################################
+# Targets
+################################################################################
+.PHONY: all
+all: edk2 optee-os tfa
+
+.PHONY: clean
+clean: edk2-clean optee-os-clean tfa-clean
+
+################################################################################
+# Trusted Firmware A
+################################################################################
+TFA_EXPORTS ?= \
+	CROSS_COMPILE="$(CCACHE)$(AARCH64_CROSS_COMPILE)"
+
+TFA_FLAGS ?= \
+	BL32=$(TFA_BL32) \
+	PRELOADED_BL33_BASE=0x08200000 \
+	DEBUG=$(DEBUG) \
+	PLAT=synquacer \
+	SPD=opteed
+
+.PHONY: tfa
+tfa: $(TFA_FIP)
+
+.PHONY: tfa-clean
+tfa-clean:
+	$(TFA_EXPORTS) $(MAKE) -C $(TFA_PATH) $(TFA_FLAGS) clean
+
+$(TFA_FIP): $(TFA_BL32)
+	$(TFA_EXPORTS) $(MAKE) -C $(TFA_PATH) $(TFA_FLAGS) all fiptool
+	$(FIPTOOL) create \
+		--tb-fw $(TFA_BL31) \
+		--soc-fw $(TFA_BL31) \
+		--scp-fw $(TFA_BL31) \
+		--tos-fw $< \
+		$@
+
+$(TFA_BL32): optee-os
+	mkdir -p $(dir $@)
+	$(AARCH64_CROSS_COMPILE)objcopy \
+		-O binary $(OPTEE_OS_PATH)/out/arm/core/tee.elf $@
+
+################################################################################
+# EDK2 / Tianocore
+################################################################################
+define edk2-env
+	export WORKSPACE=$(EDK2_PLATFORMS_PATH)
+endef
+
+define edk2-call
+	GCC5_AARCH64_PREFIX=$(AARCH64_CROSS_COMPILE) \
+	build -n `getconf _NPROCESSORS_ONLN` \
+		-a "AARCH64" -t "GCC5" -b $(EDK2_BUILD) \
+		-p Platform/Socionext/DeveloperBox/DeveloperBox.dsc
+endef
+
+.PHONY: edk2
+edk2: $(EDK2_FIP)
+	$(call edk2-env) && \
+	export PACKAGES_PATH=$(EDK2_PKGS_PATH) && \
+	source $(EDK2_PATH)/edksetup.sh && \
+	$(MAKE) -j1 -C $(EDK2_PATH)/BaseTools && \
+	$(call edk2-call) all
+
+.PHONY: edk2-clean
+edk2-clean: edk2-clean-common
+	cd $(EDK2_NON_OSI_PATH) && \
+		git checkout $(EDK2_FIP)
+
+$(EDK2_FIP): $(TFA_FIP)
+	cp $< $@
+
+################################################################################
+# OP-TEE
+################################################################################
+OPTEE_OS_COMMON_FLAGS += PLATFORM=synquacer
+OPTEE_OS_CLEAN_COMMON_FLAGS += PLATFORM=synquacer
+
+.PHONY: optee-os
+optee-os: optee-os-common
+
+.PHONY: optee-os-clean
+optee-os-clean: optee-os-clean-common