AndroidUboot.mk
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# uboot.imx in android combine scfw.bin and uboot.bin
MAKE += SHELL=/bin/bash
ATF_TOOLCHAIN_ABS := $(realpath prebuilts/gcc/linux-x86/aarch64/gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu/bin)
ATF_CROSS_COMPILE := $(ATF_TOOLCHAIN_ABS)/aarch64-linux-gnu-
IMX_DEVICE_PATH := device/embedian/imx8m/smarc_mx8mq
define build_imx_uboot
$(hide) echo Building i.MX U-Boot with firmware; \
cp $(UBOOT_OUT)/u-boot-nodtb.$(strip $(1)) $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/.; \
cp $(UBOOT_OUT)/spl/u-boot-spl.bin $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/.; \
cp $(UBOOT_OUT)/tools/mkimage $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/mkimage_uboot; \
cp $(UBOOT_OUT)/arch/arm/dts/imx8mq-smarc.dtb $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/.; \
cp $(FSL_PROPRIETARY_PATH)/linux-firmware-imx/firmware/hdmi/cadence/signed_hdmi_imx8m.bin $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/.; \
cp $(FSL_PROPRIETARY_PATH)/linux-firmware-imx/firmware/ddr/synopsys/lpddr4_pmu_train* $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/.; \
$(MAKE) -C $(IMX_PATH)/arm-trusted-firmware/ PLAT=`echo $(2) | cut -d '-' -f1` clean; \
if [ `echo $(2) | cut -d '-' -f2` = "trusty" ] && [ `echo $(2) | rev | cut -d '-' -f1` != "uuu" ]; then \
cp $(FSL_PROPRIETARY_PATH)/fsl-proprietary/uboot-firmware/imx8m/tee-imx8mq.bin $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/tee.bin; \
$(MAKE) -C $(IMX_PATH)/arm-trusted-firmware/ CROSS_COMPILE="$(AARCH64_GCC_CROSS_COMPILE)" PLAT=`echo $(2) | cut -d '-' -f1` bl31 -B SPD=trusty 1>/dev/null || exit 1; \
else \
if [ -f $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/tee.bin ] ; then \
rm -rf $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/tee.bin; \
fi; \
$(MAKE) -C $(IMX_PATH)/arm-trusted-firmware/ CROSS_COMPILE="$(AARCH64_GCC_CROSS_COMPILE)" PLAT=`echo $(2) | cut -d '-' -f1` bl31 -B 1>/dev/null || exit 1; \
fi; \
cp $(IMX_PATH)/arm-trusted-firmware/build/`echo $(2) | cut -d '-' -f1`/release/bl31.bin $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/bl31.bin; \
$(MAKE) -C $(IMX_MKIMAGE_PATH)/imx-mkimage/ clean; \
if [ `echo $(2) | rev | cut -d '-' -f1 | rev` != "dual" ]; then \
$(MAKE) -C $(IMX_MKIMAGE_PATH)/imx-mkimage/ SOC=iMX8M flash_hdmi_spl_uboot || exit 1; \
$(MAKE) -C $(IMX_MKIMAGE_PATH)/imx-mkimage/ SOC=iMX8M print_fit_hab || exit 1; \
else \
$(MAKE) -C $(IMX_MKIMAGE_PATH)/imx-mkimage/ SOC=iMX8M flash_evk_dual_bootloader || exit 1; \
$(MAKE) -C $(IMX_MKIMAGE_PATH)/imx-mkimage/ SOC=iMX8M PRINT_FIT_HAB_OFFSET=0x0 print_fit_hab || exit 1; \
fi; \
if [ `echo $(2) | rev | cut -d '-' -f1 | rev` != "dual" ]; then \
cp $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/flash.bin $(UBOOT_COLLECTION)/u-boot-$(strip $(2)).imx; \
else \
cp $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/flash.bin $(UBOOT_COLLECTION)/spl-$(strip $(2)).bin; \
cp $(IMX_MKIMAGE_PATH)/imx-mkimage/iMX8M/u-boot-ivt.itb $(UBOOT_COLLECTION)/bootloader-$(strip $(2)).img; \
fi;
endef