basic working buildroot - rauc example

board/beacon-cm4/genimage.cfg

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+image data.ext4 {
+	name = "Data"
+	mountpoint = /data
+	ext4 {
+		use-mke2fs = true
+		label = "Data"
+		features = "^64bit"
+	}
+	size = 128M
+}
+
+image upload.ext4 {
+	name = "Upload"
+	empty = true
+	ext4 {
+		use-mke2fs = true
+		label = "Upload"
+		features = "^64bit"
+	}
+	size = 900M
+}
+
+image sdcard.img {
+	hdimage {
+		partition-table-type = mbr
+		extended-partition = 4
+	}
+
+	partition ubootenv0 {
+		image = "uboot-env.bin"
+		in-partition-table = false
+		offset = 1M
+	}
+
+	partition ubootenv1 {
+		image = "uboot-env.bin"
+		in-partition-table = false
+		offset = 2M
+	}
+
+	partition boot0 {
+		partition-type = 0xC
+		bootable = true
+		image = "boot.vfat"
+		# Leave room for U-Boot environment
+		offset = 4M
+	}
+
+	partition boot1 {
+		image = "boot.vfat"
+		in-partition-table = false
+		# 256M + 4M
+		offset = 260M
+	}
+
+	partition rescue {
+		partition-type = 0x83
+		image = "rootfs.squashfs"
+		size = 256M
+	}
+
+	partition data {
+		partition-type = 0x83
+		image = "data.ext4"
+		size = 128M
+	}
+
+	partition rootfs0 {
+		partition-type = 0x83
+		image = "rootfs.ext4"
+		size = 900M
+	}
+
+	partition rootfs1 {
+		partition-type = 0x83
+		image = "rootfs.ext4"
+		size = 900M
+	}
+
+	partition upload {
+		partition-type = 0x83
+		image = "upload.ext4"
+		size = 900M
+	}
+}