mach-imx: Add i.MX93 binman support.

Add dedicated Makefile targets for the i.MX93 and a new imx93-u-boot.dtsi
device-tree to create binman images.

Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>

arch/arm/dts/imx93-u-boot.dtsi

@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2023 Mathieu Othacehe <m.othacehe@gmail.com>
+ */
+
+/ {
+	binman: binman {
+		multiple-images;
+	};
+};
+
+&binman {
+	u-boot-spl-ddr {
+		align = <4>;
+		align-size = <4>;
+		filename = "u-boot-spl-ddr.bin";
+		pad-byte = <0xff>;
+
+		u-boot-spl {
+			align-end = <4>;
+			filename = "u-boot-spl.bin";
+		};
+
+		ddr-1d-imem-fw {
+			filename = "lpddr4_imem_1d_v202201.bin";
+			align-end = <4>;
+			type = "blob-ext";
+		};
+
+		ddr-1d-dmem-fw {
+			filename = "lpddr4_dmem_1d_v202201.bin";
+			align-end = <4>;
+			type = "blob-ext";
+		};
+
+		ddr-2d-imem-fw {
+			filename = "lpddr4_imem_2d_v202201.bin";
+			align-end = <4>;
+			type = "blob-ext";
+		};
+
+		ddr-2d-dmem-fw {
+			filename = "lpddr4_dmem_2d_v202201.bin";
+			align-end = <4>;
+			type = "blob-ext";
+		};
+	};
+
+	spl {
+		filename = "spl.bin";
+
+		mkimage {
+			args = "-n spl/u-boot-spl.cfgout -T imx8image -e 0x2049A000";
+
+			blob {
+				filename = "u-boot-spl-ddr.bin";
+			};
+		};
+	};
+
+	u-boot-container {
+		filename = "u-boot-container.bin";
+
+		mkimage {
+			args = "-n u-boot-container.cfgout -T imx8image -e 0x0";
+
+			blob {
+				filename = "u-boot.bin";
+			};
+		};
+	};
+
+	imx-boot {
+		filename = "flash.bin";
+		pad-byte = <0x00>;
+
+		spl: blob-ext@1 {
+			filename = "spl.bin";
+			offset = <0x0>;
+			align-size = <0x400>;
+			align = <0x400>;
+		};
+
+		uboot: blob-ext@2 {
+			filename = "u-boot-container.bin";
+		};
+	};
+};

arch/arm/mach-imx/Makefile

@@ -129,6 +129,9 @@ DEPFILE_EXISTS := $(shell $(CPP) $(cpp_flags) -x c -o u-boot-dtb.cfgout $(srctre
 else ifeq ($(CONFIG_ARCH_IMX8M), y)
 IMAGE_TYPE := imx8mimage
 DEPFILE_EXISTS := 0
+else ifeq ($(CONFIG_ARCH_IMX9), y)
+IMAGE_TYPE := imx8image
+DEPFILE_EXISTS := 0
 else
 IMAGE_TYPE := imximage
 DEPFILE_EXISTS := 0
@@ -213,7 +216,29 @@ endif
 endif
 
 ifeq ($(CONFIG_ARCH_IMX9), y)
-SPL:
+
+quiet_cmd_imx9_check = CHECK    $@
+cmd_imx9_check = $(srctree)/tools/imx9_image.sh $@
+
+SPL: spl/u-boot-spl.bin spl/u-boot-spl.cfgout u-boot-container.cfgout FORCE
+
+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.cfgout: $(IMX_CONFIG) FORCE
+	$(Q)mkdir -p $(dir $@)
+	$(call if_changed_dep,cpp_cfg)
+	$(call if_changed,imx9_check)
+
+spl/u-boot-spl-ddr.bin: spl/u-boot-spl.bin spl/u-boot-spl.cfgout FORCE
+
+u-boot-container.cfgout: $(IMX_CONTAINER_CFG) FORCE
+	$(Q)mkdir -p $(dir $@)
+	$(call if_changed_dep,cpp_cfg)
+	$(call if_changed,imx9_check)
+
+flash.bin: spl/u-boot-spl-ddr.bin container.cfgout FORCE
+	$(call if_changed,mkimage)
 endif
 
 else

arch/arm/mach-imx/imx9/container.cfg

@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2023 Mathieu Othacehe <m.othacehe@gmail.com>
+ */
+
+BOOT_FROM SD 0x400
+SOC_TYPE IMX9
+CONTAINER
+IMAGE A55 bl31.bin 0x204E0000
+IMAGE A55 u-boot.bin CONFIG_TEXT_BASE

arch/arm/mach-imx/imx9/imximage.cfg

@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2023 Mathieu Othacehe <m.othacehe@gmail.com>
+ */
+
+BOOT_FROM SD 0x400
+SOC_TYPE IMX9
+APPEND mx93a0-ahab-container.img
+CONTAINER
+IMAGE A55 u-boot-spl-ddr.bin 0x2049A000

tools/imx9_image.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Script to check whether the file exists in mkimage cfg files for the i.MX9.
+#
+# usage: $0 <file.cfg>
+
+file=$1
+
+blobs=`awk '/^APPEND/ {print $2} /^IMAGE/ || /^DATA/ {print $3}' $file`
+for f in $blobs; do
+	tmp=$srctree/$f
+	if [ $f = "u-boot-spl-ddr.bin" ]; then
+		continue
+	fi
+
+	if [ -f $f ]; then
+		continue
+	fi
+
+	if [ ! -f $tmp ]; then
+		echo "WARNING '$tmp' not found, resulting binary is not-functional" >&2
+
+                # Comment-out the lines for un-existing files. This way,
+                # mkimage can keep working. This allows CI tests to pass even
+                # if the resulting binary won't boot.
+                sed -in "/$f/ s/./#&/" $file
+	fi
+done
+
+exit 0