~$ ./edge2-uefi-extract RK3588_NOR_FLASH_REL.img 

/dts-v1/;
	version = <0x00>;
	totalsize = <0x5afc0b>;
	timestamp = <0x64ebea49>;
	description = "FIT Image with ATF/OP-TEE/UEFI";
	#address-cells = <0x01>;

SIZE: 0x5afc0b == 5962763 : 11646 == 5962774
LAST: 7274496(14208 - 0x3780) < 7274496 < 0x6F0000

# dd skip=2048 count=11646 of=edge2-uefi-bootloader.img if=RK3588_NOR_FLASH_REL.img conv=fsync,notrunc

/ {
	images {
		uboot {
			data-size = <0x500000>;
			data-offset = <0x00>;
		atf-1 {
			data-size = <0x3084c>;
			data-offset = <0x500000>;
		atf-2 {
			data-size = <0x6000>;
			data-offset = <0x530a00>;
		atf-3 {
			data-size = <0x6000>;
			data-offset = <0x536a00>;
		optee {
			data-size = <0x70998>;
			data-offset = <0x53ca00>;
		fdt {
			data-size = <0x1e95>;
			data-offset = <0x5ad400>;
		nvdata {
			data-position = <0x6c0000>;
			data-size = <0x30000>;
	configurations {
			loadables = "uboot\0atf-2\0atf-3\0optee\0nvdata";

005afb70  67 2d 69 6f 2d 77 69 64  74 68 00 64 6d 61 73 00  |g-io-width.dmas.|
005afb80  23 69 6f 2d 63 68 61 6e  6e 65 6c 2d 63 65 6c 6c  |#io-channel-cell|
005afb90  73 00 67 70 69 6f 2d 63  6f 6e 74 72 6f 6c 6c 65  |s.gpio-controlle|
005afba0  72 00 23 67 70 69 6f 2d  63 65 6c 6c 73 00 67 70  |r.#gpio-cells.gp|
005afbb0  69 6f 2d 72 61 6e 67 65  73 00 69 6e 74 65 72 72  |io-ranges.interr|
005afbc0  75 70 74 2d 63 6f 6e 74  72 6f 6c 6c 65 72 00 23  |upt-controller.#|
005afbd0  69 6e 74 65 72 72 75 70  74 2d 63 65 6c 6c 73 00  |interrupt-cells.|
005afbe0  62 69 61 73 2d 70 75 6c  6c 2d 75 70 00 62 69 61  |bias-pull-up.bia|
005afbf0  73 2d 64 69 73 61 62 6c  65 00 64 72 69 76 65 2d  |s-disable.drive-|
005afc00

1f206fece22135a50e929aff52105782  edge2-uefi-bootloader.img

edge2-uefi-bootloader.img: Device Tree Blob version 17, size=2413, boot CPU=0, string block size=217, DT structure block size=2140