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################################################################################
# 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
################################################################################
override COMPILE_NS_USER := 64
override COMPILE_NS_KERNEL := 64
override COMPILE_S_USER := 64
override COMPILE_S_KERNEL := 64
OPTEE_OS_PLATFORM = imx-mx8mqevk
BR2_TARGET_GENERIC_GETTY_PORT = ttymxc0
include common.mk
################################################################################
# Paths to git projects and various binaries
################################################################################
TF_A_PATH ?= $(ROOT)/trusted-firmware-a
U-BOOT_PATH ?= $(ROOT)/u-boot
U-BOOT_BIN ?= $(U-BOOT_PATH)/u-boot.bin
FIRMWARE_BIN_SHA256_SUM ?= 63ec62f5d229cbed00918c8449173933f1c9d594c59396b8dd217e94f47138b0
FIRMWARE_BIN ?= firmware-imx-8.0.bin
FIRMWARE_BIN ?= firmware-imx-8.0.bin
FIRMWARE_BIN_URL ?= https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/$(FIRMWARE_BIN)
FIRMWARE_VERSION ?= firmware-imx-8.0
FIRMWARE_PATH ?= $(ROOT)/out-firmware/$(FIRMWARE_VERSION)
LPDDR_BIN_PATH ?= $(FIRMWARE_PATH)/firmware/ddr/synopsys
MKIMAGE_PATH ?= $(ROOT)/imx-mkimage
BOOT_IMG ?= $(ROOT)/out/boot.img
################################################################################
# Targets
################################################################################
all: tfa u-boot linux optee-os buildroot flash-image
clean: tfa-clean buildroot-clean u-boot-clean optee-os-clean
include toolchain.mk
################################################################################
# ARM Trusted Firmware
################################################################################
TF_A_EXPORTS = CROSS_COMPILE="$(CCACHE)$(AARCH64_CROSS_COMPILE)"
# BL32=$(OPTEE_OS_HEADER_V2_BIN) \
# BL32_EXTRA1=$(OPTEE_OS_PAGER_V2_BIN) \
# BL32_EXTRA2=$(OPTEE_OS_PAGEABLE_V2_BIN) \
TF_A_FLAGS = PLAT=imx8mq SPD=opteed DEBUG_CONSOLE=1 DEBUG=0 V=1
TF_A_FLAGS += BL32=$(ROOT)/optee_os/out/arm/core/tee-raw.bin
tfa: optee-os u-boot
$(TF_A_EXPORTS) $(MAKE) -C $(TF_A_PATH) $(TF_A_FLAGS) all fip
tfa-clean:
$(TF_A_EXPORTS) $(MAKE) -C $(TF_A_PATH) $(TF_A_FLAGS) clean
################################################################################
# U-Boot
################################################################################
U-BOOT_EXPORTS = CROSS_COMPILE="$(CCACHE)$(AARCH64_CROSS_COMPILE)"
U-BOOT_DEFCONFIG_FILES := $(U-BOOT_PATH)/configs/imx8mq_evk_defconfig \
$(BUILD_PATH)/kconfigs/uboot_imx8.conf
$(U-BOOT_PATH)/.config: $(U-BOOT_DEFCONFIG_FILES)
$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) imx8mq_evk_defconfig
(cd $(U-BOOT_PATH) && \
ARCH=arm64 \
scripts/kconfig/merge_config.sh $(U-BOOT_DEFCONFIG_FILES))
.PHONY: u-boot-defconfig
u-boot-defconfig: $(U-BOOT_PATH)/.config
.PHONY: u-boot
u-boot: u-boot-defconfig
$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH)
.PHONY: u-boot-clean
u-boot-clean:
cd $(U-BOOT_PATH) && git clean -xdf
.PHONY: u-boot-cscope
u-boot-cscope:
$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) cscope
################################################################################
# Linux kernel
################################################################################
LINUX_DEFCONFIG_COMMON_ARCH := arm64
LINUX_DEFCONFIG_COMMON_FILES := \
$(LINUX_PATH)/arch/arm64/configs/defconfig \
$(CURDIR)/kconfigs/imx.conf
linux-defconfig: $(LINUX_PATH)/.config
LINUX_COMMON_FLAGS += ARCH=arm64
linux: linux-common
linux-defconfig-clean: linux-defconfig-clean-common
LINUX_CLEAN_COMMON_FLAGS += ARCH=arm64
linux-clean: linux-clean-common
LINUX_CLEANER_COMMON_FLAGS += ARCH=arm64
linux-cleaner: linux-cleaner-common
################################################################################
# OP-TEE
################################################################################
optee-os: optee-os-common
optee-os-clean: optee-os-clean-common
################################################################################
# DDR firmware
################################################################################
# This is prebuilt binaries by NXP, download them and use them. Update path if
# it changes in the future.
$(ROOT)/out-firmware/$(FIRMWARE_BIN):
mkdir -p $(ROOT)/out-firmware
(cd $(ROOT)/out-firmware && wget $(FIRMWARE_BIN_URL))
$(FIRMWARE_PATH)/.unpacked: $(ROOT)/out-firmware/$(FIRMWARE_BIN)
(cd $(ROOT)/out-firmware && \
echo $(FIRMWARE_BIN_SHA256_SUM) $(FIRMWARE_BIN) | sha256sum -c)
(cd $(ROOT)/out-firmware && \
chmod 711 $(FIRMWARE_BIN) && ./$(FIRMWARE_BIN) --auto-accept)
touch $(FIRMWARE_PATH)/.unpacked
.PHONY: ddr-firmware
ddr-firmware: $(FIRMWARE_PATH)/.unpacked
ddr-firmware-clean:
rm -rf $(ROOT)/out-firmware
################################################################################
# imx-mkimage
################################################################################
mkimage: u-boot tfa ddr-firmware
ln -sf $(ROOT)/optee_os/out/arm/core/tee-raw.bin \
$(MKIMAGE_PATH)/iMX8M/tee.bin
ln -sf $(ROOT)/trusted-firmware-a/build/imx8mq/release/bl31.bin \
$(MKIMAGE_PATH)/iMX8M/
ln -sf $(LPDDR_BIN_PATH)/lpddr4_pmu_train_*.bin $(MKIMAGE_PATH)/iMX8M/
ln -sf $(U-BOOT_PATH)/u-boot-nodtb.bin $(MKIMAGE_PATH)/iMX8M/
ln -sf $(U-BOOT_PATH)/spl/u-boot-spl.bin $(MKIMAGE_PATH)/iMX8M/
ln -sf $(U-BOOT_PATH)/arch/arm/dts/imx8mq-evk.dtb \
$(MKIMAGE_PATH)/iMX8M/fsl-imx8mq-evk.dtb
ln -sf $(U-BOOT_PATH)/tools/mkimage $(MKIMAGE_PATH)/iMX8M/mkimage_uboot
$(MAKE) -C $(MKIMAGE_PATH) SOC=iMX8M flash_spl_uboot
#> +If you want to run with HDMI, copy signed_hdmi_imx8m.bin to imx-mkimage/iMX8M
#> +make SOC=iMX8M flash_spl_uboot or make SOC=iMX8M flash_hdmi_spl_uboot to
#> +generate flash.bin.
mkimage-clean:
cd $(MKIMAGE_PATH) && git clean -xdf
rm -f $(ROOT)/build/mkimage_imx8
$(ROOT)/out-br/images/ramdisk.img: $(ROOT)/out-br/images/rootfs.cpio.gz
$(U-BOOT_PATH)/tools/mkimage -A arm64 -O linux -T ramdisk -C gzip \
-d $< $@
$(ROOT)/out:
mkdir -p $@
$(ROOT)/out/boot.scr: $(ROOT)/build/imx/u-boot_boot_script | $(ROOT)/out
$(U-BOOT_PATH)/tools/mkimage -T script -C none -n 'Boot script' \
-d $< $@
.PHONY: flash-image
flash-image: buildroot mkimage
$(MAKE) flash-image-only
.PHONY: flash-image-only
flash-image-only: $(ROOT)/out-br/images/ramdisk.img $(ROOT)/out/boot.scr
rm -f $(BOOT_IMG)
truncate -s 128M ${BOOT_IMG}
echo -ne "16384 64M 7\n147456 + 83\n" | sfdisk ${BOOT_IMG}
mformat -i ${BOOT_IMG}.fat -n 64 -h 255 -T 131072 -v "BOOT IMG" -C ::
mcopy -i ${BOOT_IMG}.fat $(LINUX_PATH)/arch/arm64/boot/Image ::
mcopy -i ${BOOT_IMG}.fat \
$(LINUX_PATH)/arch/arm64/boot/dts/freescale/imx8mq-evk.dtb ::
mcopy -i ${BOOT_IMG}.fat $(ROOT)/out-br/images/ramdisk.img ::
mcopy -i ${BOOT_IMG}.fat $(ROOT)/out/boot.scr ::
dd if=${BOOT_IMG}.fat of=${BOOT_IMG} bs=512 seek=16384 \
conv=fsync,notrunc
dd if=${ROOT}/imx-mkimage/iMX8M/flash.bin of=${BOOT_IMG} bs=1k seek=33 \
conv=fsync,notrunc
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