Added MediaTek platform

Signed-off-by: SY Chiu <sy.chiu@linaro.org>
Tested-by: SY Chiu <sy.chiu@linaro.org> (MT8173_EVB)
Reviewed-by: Pascal Brand <pascal.brand@linaro.org>

mediatek.mk

+BASH := $(shell which bash)
+ROOT ?= $(subst /build/,,$(shell pwd)/)
+
+################################################################################
+# Paths to git projects and various binaries
+################################################################################
+LINUX_PATH 			?= $(ROOT)/linux
+LINUX_PATCH_PATH 		?= $(ROOT)/patches-upstream
+
+OPTEE_OS_PATH 			?= $(ROOT)/optee_os
+OPTEE_OS_BIN 			?= $(OPTEE_OS_PATH)/out/arm-plat-mediatek/core/tee-pager.bin
+
+OPTEE_CLIENT_PATH 		?= $(ROOT)/optee_client
+OPTEE_CLIENT_EXPORT		?= $(OPTEE_CLIENT_PATH)/out/export
+OPTEE_LINUXDRIVER_PATH 		?= $(ROOT)/optee_linuxdriver
+
+OPTEE_TEST_PATH 		?= $(ROOT)/optee_test
+OPTEE_TEST_OUT_PATH 		?= $(ROOT)/out/optee_test
+
+GEN_ROOTFS_PATH 		?= $(ROOT)/gen_rootfs
+GEN_ROOTFS_FILELIST 		?= $(GEN_ROOTFS_PATH)/filelist-tee.txt
+
+MTK_TOOLS_PATH 			?= $(ROOT)/mtk_tools
+
+################################################################################
+# defines, macros, configuration etc
+################################################################################
+define KERNEL_VERSION
+$(shell cd $(LINUX_PATH) && make kernelversion)
+endef
+
+CCACHE ?= $(shell which ccache) # Don't remove this comment (space is needed)
+
+################################################################################
+# Targets
+################################################################################
+all: linux optee-os optee-client optee-linuxdriver xtest
+all-clean: busybox-clean optee-os-clean \
+	optee-client-clean optee-linuxdriver-clean
+
+
+-include toolchain.mk
+
+################################################################################
+# Busybox
+################################################################################
+busybox:
+	@if [ ! -d "$(GEN_ROOTFS_PATH)/build" ]; then \
+		cd $(GEN_ROOTFS_PATH); \
+		CC_DIR=$(AARCH64_PATH) \
+		PATH=${PATH}:$(LINUX_PATH)/usr \
+		$(GEN_ROOTFS_PATH)/generate-cpio-rootfs.sh mt8173-evb; \
+	fi
+
+busybox-clean:
+	cd $(GEN_ROOTFS_PATH); \
+		$(GEN_ROOTFS_PATH)/generate-cpio-rootfs.sh mt8173-evb clean
+
+################################################################################
+# Linux kernel
+################################################################################
+.ONESHELL:
+$(LINUX_PATCH_PATH)/.patched:
+	cd $(LINUX_PATH); \
+		$(LINUX_PATCH_PATH)/patch-all.sh
+	touch $@
+
+$(LINUX_PATH)/.config:
+	# Temporary fix until we have the driver integrated in the kernel
+	sed -i '/config ARM64$$/a select DMA_SHARED_BUFFER' $(LINUX_PATH)/arch/arm64/Kconfig;
+	make -C $(LINUX_PATH) ARCH=arm64 defconfig
+
+linux-defconfig: $(LINUX_PATH)/.config
+linux-patched: $(LINUX_PATCH_PATH)/.patched
+
+linux: linux-defconfig linux-patched
+	make -C $(LINUX_PATH) \
+		CROSS_COMPILE="$(CCACHE)$(AARCH64_NONE_CROSS_COMPILE)" \
+		LOCALVERSION= \
+		ARCH=arm64 \
+		-j`getconf _NPROCESSORS_ONLN`
+
+################################################################################
+# OP-TEE
+################################################################################
+optee-os:
+	make -C $(OPTEE_OS_PATH) \
+		CROSS_COMPILE="$(CCACHE)$(AARCH32_CROSS_COMPILE)" \
+		CROSS_COMPILE_core="$(CCACHE)$(AARCH64_CROSS_COMPILE)" \
+		CFG_ARM64_core=y \
+		PLATFORM=mediatek \
+		PLATFORM_FLAVOR=mt8173 \
+		CFG_TEE_CORE_LOG_LEVEL=4 \
+		DEBUG=0 \
+		-j`getconf _NPROCESSORS_ONLN`
+
+optee-os-clean:
+	make -C $(OPTEE_OS_PATH) \
+		PLATFORM=mediatek \
+		PLATFORM_FLAVOR=mt8173 \
+		clean
+
+optee-client:
+	make -C $(OPTEE_CLIENT_PATH) \
+		CROSS_COMPILE="$(CCACHE)$(AARCH64_CROSS_COMPILE)" \
+		-j`getconf _NPROCESSORS_ONLN`
+
+optee-client-clean:
+	make -C $(OPTEE_CLIENT_PATH) clean
+
+optee-linuxdriver: linux
+	make -C $(LINUX_PATH) \
+		V=0 \
+		ARCH=arm64 \
+		CROSS_COMPILE="$(CCACHE)$(AARCH64_CROSS_COMPILE)" \
+		LOCALVERSION= \
+		M=$(OPTEE_LINUXDRIVER_PATH) modules
+
+optee-linuxdriver-clean:
+	make -C $(LINUX_PATH) \
+		M=$(OPTEE_LINUXDRIVER_PATH) clean
+
+################################################################################
+# xtest / optee_test
+################################################################################
+xtest: optee-os optee-client
+	@if [ -d "$(OPTEE_TEST_PATH)" ]; then \
+		make -C $(OPTEE_TEST_PATH) \
+		-j`getconf _NPROCESSORS_ONLN` \
+		CROSS_COMPILE_HOST="$(CCACHE)$(AARCH64_CROSS_COMPILE)" \
+		CROSS_COMPILE_TA="$(CCACHE)$(AARCH32_CROSS_COMPILE)" \
+		TA_DEV_KIT_DIR=$(OPTEE_OS_PATH)/out/arm-plat-mediatek/export-user_ta \
+		O=$(OPTEE_TEST_OUT_PATH); \
+	fi
+
+xtest-clean:
+	@if [ -d "$(OPTEE_TEST_PATH)" ]; then \
+		rm -rf $(OPTEE_TEST_OUT_PATH); \
+	fi
+
+################################################################################
+# Root FS
+################################################################################
+.PHONY: filelist-tee
+filelist-tee:
+	@echo "# xtest / optee_test" > $(GEN_ROOTFS_FILELIST)
+	@find $(OPTEE_TEST_OUT_PATH) -type f -name "xtest" | sed 's/\(.*\)/file \/bin\/xtest \1 755 0 0/g' >> $(GEN_ROOTFS_FILELIST)
+	@echo "# TAs" >> $(GEN_ROOTFS_FILELIST)
+	@echo "dir /lib/optee_armtz 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@find $(OPTEE_TEST_OUT_PATH) -name "*.ta" | \
+		sed 's/\(.*\)\/\(.*\)/file \/lib\/optee_armtz\/\2 \1\/\2 444 0 0/g' >> $(GEN_ROOTFS_FILELIST)
+	@echo "# Secure storage dig" >> $(GEN_ROOTFS_FILELIST)
+	@echo "dir /data 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "dir /data/tee 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "# OP-TEE device" >> $(GEN_ROOTFS_FILELIST)
+	@echo "dir /lib/modules 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "dir /lib/modules/$(call KERNEL_VERSION) 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "file /lib/modules/$(call KERNEL_VERSION)/optee.ko $(OPTEE_LINUXDRIVER_PATH)/core/optee.ko 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "file /lib/modules/$(call KERNEL_VERSION)/optee_armtz.ko $(OPTEE_LINUXDRIVER_PATH)/armtz/optee_armtz.ko 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "# OP-TEE Client" >> $(GEN_ROOTFS_FILELIST)
+	@echo "file /bin/tee-supplicant $(OPTEE_CLIENT_EXPORT)/bin/tee-supplicant 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "dir /lib/aarch64-linux-gnu 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "file /lib/aarch64-linux-gnu/libteec.so.1.0 $(OPTEE_CLIENT_EXPORT)/lib/libteec.so.1.0 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "slink /lib/aarch64-linux-gnu/libteec.so.1 libteec.so.1.0 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "slink /lib/aarch64-linux-gnu/libteec.so libteec.so.1 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+
+update_rootfs: busybox optee-client optee-linuxdriver xtest filelist-tee
+	cat $(GEN_ROOTFS_PATH)/filelist-final.txt $(GEN_ROOTFS_PATH)/filelist-tee.txt > $(GEN_ROOTFS_PATH)/filelist.tmp
+	cd $(GEN_ROOTFS_PATH); \
+	        $(LINUX_PATH)/usr/gen_init_cpio $(GEN_ROOTFS_PATH)/filelist.tmp | gzip > $(GEN_ROOTFS_PATH)/filesystem.cpio.gz
+
+################################################################################
+# Image Tools
+################################################################################
+.PHONY: build_image flash_image run
+build-image: update_rootfs optee-os
+	cd $(MTK_TOOLS_PATH); \
+	./build_trustzone.sh $(OPTEE_OS_BIN); \
+	./build_bootimg.sh $(LINUX_PATH) $(GEN_ROOTFS_PATH)/filesystem.cpio.gz
+
+flash-image: build-image
+	@echo "Please press reset button ..."
+	@cd $(MTK_TOOLS_PATH); \
+	./fastboot flash boot ./boot.img; \
+	./fastboot flash TEE1 ./trustzone.bin
+	@echo "Please press reset button again..."
+
+run: flash-image