Merge pull request #5 from jmarinho/imx8mm

support the imx8mm-evk board

board-imx8mm_evk.mk

+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright (C) Arm Limited, 2021
+
+TFA_PLAT := imx8mm
+OPTEE_PLATFORM := imx
+
+OPTEE_EXTRA += PLATFORM_FLAVOR=mx8mmevk
+
+FLASH_IMAGE := out_flash_imx8mm.bin
+
+DDR_FW :=  firmware-imx-8.9
+
+
+$(DDR_FW): $(DDR_FW).bin
+#
+# XXX: we need to check if $(DDR_FW) exists because after ./$(DDR_FW).bin the
+# directory timestamp will be lower than its dependency ($(DDR_FW).bin)
+#
+ifeq (,$(wildcard ./$(DDR_FW) ))
+	$(error Please execute $(DDR_FW).bin and accept the EULA)
+endif
+
+$(DDR_FW).bin:
+	wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/$(DDR_FW).bin
+	chmod +x $(DDR_FW).bin
+
+$(FLASH_IMAGE): tfa/all  ${FLASH_IMAGE_DEPS} | $(DDR_FW)
+	cp u-boot/tools/mkimage imx-mkimage/iMX8M/mkimage_uboot
+	cp u-boot/spl/u-boot-spl.bin  imx-mkimage/iMX8M/
+	cp u-boot/u-boot-nodtb.bin  imx-mkimage/iMX8M/
+	cp u-boot/dts/dt.dtb imx-mkimage/iMX8M/imx8mm-evk.dtb
+	cp $(DDR_FW)/firmware/ddr/synopsys/lpddr4_pmu_train_* imx-mkimage/iMX8M/
+	aarch64-linux-gnu-objcopy -v -O binary optee_os/out/arm-plat-imx/core/tee.elf imx-mkimage/iMX8M//tee.bin
+	cp trusted-firmware-a/build/imx8mm/release/bl31.bin imx-mkimage/iMX8M/
+	cd imx-mkimage && make SOC=iMX8MM flash_spl_uboot
+	dd if=imx-mkimage/iMX8M/flash.bin of=$(FLASH_IMAGE) bs=1024 seek=33 conv=notrunc