bcm4908: continue work on images for U-Boot based devices

It still isn't ready though - more data needs to be added to the bootfs.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 494c033f9cbad67ea2cee3860894bdfffea65109)

1 files changed, 43 insertions, 0 deletions

diff --git a/target/linux/bcm4908/image/pkgtb-bcm4912.its b/target/linux/bcm4908/image/pkgtb-bcm4912.its
new file mode 100644
index 0000000000..113b1278cd
--- /dev/null
+++ b/target/linux/bcm4908/image/pkgtb-bcm4912.its
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+/dts-v1/;
+
+/ {
+	description = "Broadcom image upgrade package tree binary";
+	#address-cells = <1>;
+
+	images {
+		bootfs_4912_a0+ {
+			description = "bootfs";
+			data = /incbin/("${bootfs}");
+			type = "multi";
+			compression = "none";
+
+			hash-1 {
+				algo = "sha256";
+			};
+		};
+
+		nand_squashfs {
+			description = "rootfs";
+			data = /incbin/("${rootfs}");
+			type = "filesystem";
+			compression = "none";
+
+			hash-1 {
+				algo = "sha256";
+			};
+		};
+	};
+
+	configurations {
+		default = "conf_4912_a0+_nand_squashfs";
+
+		conf_4912_a0+_nand_squashfs {
+			description = "Brcm Image Bundle";
+			bootfs = "bootfs_4912_a0+";
+			rootfs = "nand_squashfs";
+			compatible = "flash=nand;chip=4912;rev=a0+;ip=ipv6,ipv4;ddr=ddr3,ddr4;fstype=squashfs";
+		};
+	};
+};