imx: imx8mq: build flash.bin

Build flash.bin for i.MX8MQ, it will include signed hdmi firmware,
spl, ddr firmware, fit image(bl31.bin, u-boot-nodtb.bin, dtb).
Burn it to 33KB offset of SD card.

Signed-off-by: Peng Fan <peng.fan@nxp.com>

Makefile

@@ -1208,6 +1208,11 @@ tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE
 SPL: spl/u-boot-spl.bin FORCE
 	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
 
+ifeq ($(CONFIG_ARCH_IMX8M), y)
+flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE
+	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
+endif
+
 u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE
 	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
 

arch/arm/mach-imx/Makefile

@@ -105,6 +105,10 @@ ifeq ($(CONFIG_ARCH_IMX8), y)
 CNTR_DEPFILES := $(srctree)/tools/imx_cntr_image.sh
 IMAGE_TYPE := imx8image
 DEPFILE_EXISTS := $(shell $(CPP) $(cpp_flags) -x c -o u-boot-dtb.cfgout $(srctree)/$(IMX_CONFIG); if [ -f u-boot-dtb.cfgout ]; then $(CNTR_DEPFILES) u-boot-dtb.cfgout; echo $$?; fi)
+else ifeq ($(CONFIG_ARCH_IMX8M), y)
+IMAGE_TYPE := imx8mimage
+IMX8M_DEPFILES := $(srctree)/tools/imx8m_image.sh
+DEPFILE_EXISTS := $(shell $(CPP) $(cpp_flags) -x c -o spl/u-boot-spl.cfgout $(srctree)/$(IMX_CONFIG);if [ -f spl/u-boot-spl.cfgout ]; then $(IMX8M_DEPFILES) spl/u-boot-spl.cfgout 0; echo $$?; fi)
 else
 IMAGE_TYPE := imximage
 DEPFILE_EXISTS := 0
@@ -129,6 +133,26 @@ ifeq ($(DEPFILE_EXISTS),0)
 endif
 endif
 
+ifdef CONFIG_ARM64
+ifeq ($(CONFIG_ARCH_IMX8M), y)
+SPL:
+
+MKIMAGEFLAGS_flash.bin = -n spl/u-boot-spl.cfgout \
+		   -T $(IMAGE_TYPE) -e $(CONFIG_SPL_TEXT_BASE)
+flash.bin: MKIMAGEOUTPUT = flash.log
+
+spl/u-boot-spl-ddr.bin: spl/u-boot-spl.bin spl/u-boot-spl.cfgout FORCE
+ifeq ($(DEPFILE_EXISTS),0)
+	$(IMX8M_DEPFILES) spl/u-boot-spl.cfgout 1
+endif
+
+flash.bin: spl/u-boot-spl-ddr.bin u-boot.itb FORCE
+ifeq ($(DEPFILE_EXISTS),0)
+	$(call if_changed,mkimage)
+endif
+endif
+
+else
 MKIMAGEFLAGS_SPL = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) \
 		   -T $(IMAGE_TYPE) -e $(CONFIG_SPL_TEXT_BASE)
 SPL: MKIMAGEOUTPUT = SPL.log
@@ -160,6 +184,7 @@ cmd_u-boot-nand-spl_imx = (printf '\000\000\000\000\106\103\102\040\001' && \
 
 spl/u-boot-nand-spl.imx: SPL FORCE
 	$(call if_changed,u-boot-nand-spl_imx)
+endif
 
 targets += $(addprefix ../../../,SPL spl/u-boot-spl.cfgout u-boot-dtb.cfgout u-boot.cfgout u-boot.uim spl/u-boot-nand-spl.imx)
 

tools/imx8m_image.sh

@@ -0,0 +1,43 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0+
+#
+# script to check whether the file exists in imximage.cfg for i.MX8M
+#
+
+file=$1
+
+post_process=$2
+
+blobs=`awk '/^SIGNED_HDMI/ {print $2} /^LOADER/ {print $2} /^SECOND_LOADER/ {print $2} /^DDR_FW/ {print $2}' $file`
+for f in $blobs; do
+	tmp=$srctree/$f
+
+	if [ $f == "spl/u-boot-spl-ddr.bin" ] || [ $f == "u-boot.itb" ]; then
+		continue
+	fi
+
+	if [ -f $f ]; then
+		continue
+	fi
+
+	if [ ! -f $tmp ]; then
+		echo "WARNING '$tmp' not found, resulting binary is not-functional" >&2
+		exit 1
+	fi
+
+	sed -in "s;$f;$tmp;" $file
+done
+
+if [ $post_process == 1 ]; then
+	if [ -f $srctree/lpddr4_pmu_train_1d_imem.bin ]; then
+		objcopy -I binary -O binary --pad-to 0x8000 --gap-fill=0x0 $srctree/lpddr4_pmu_train_1d_imem.bin lpddr4_pmu_train_1d_imem_pad.bin
+		objcopy -I binary -O binary --pad-to 0x4000 --gap-fill=0x0 $srctree/lpddr4_pmu_train_1d_dmem.bin lpddr4_pmu_train_1d_dmem_pad.bin
+		objcopy -I binary -O binary --pad-to 0x8000 --gap-fill=0x0 $srctree/lpddr4_pmu_train_2d_imem.bin lpddr4_pmu_train_2d_imem_pad.bin
+		cat lpddr4_pmu_train_1d_imem_pad.bin lpddr4_pmu_train_1d_dmem_pad.bin > lpddr4_pmu_train_1d_fw.bin
+		cat lpddr4_pmu_train_2d_imem_pad.bin $srctree/lpddr4_pmu_train_2d_dmem.bin > lpddr4_pmu_train_2d_fw.bin
+		cat spl/u-boot-spl.bin lpddr4_pmu_train_1d_fw.bin lpddr4_pmu_train_2d_fw.bin > spl/u-boot-spl-ddr.bin
+		rm -f lpddr4_pmu_train_1d_fw.bin lpddr4_pmu_train_2d_fw.bin lpddr4_pmu_train_1d_imem_pad.bin lpddr4_pmu_train_1d_dmem_pad.bin lpddr4_pmu_train_2d_imem_pad.bin
+	fi
+fi
+
+exit 0