initial buildroot for linux 5.15

board/beelink/gs1/extlinux.conf

@@ -0,0 +1,4 @@
+label linux
+  kernel /Image
+  devicetree /sun50i-h6-beelink-gs1.dtb
+  append console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rootwait

board/beelink/gs1/genimage.cfg

@@ -0,0 +1,34 @@
+image boot.vfat {
+	vfat {
+		files = {
+			"Image",
+			"sun50i-h6-beelink-gs1.dtb",
+			"extlinux"
+		}
+	}
+
+	size = 64M
+}
+
+image sdcard.img {
+	hdimage {
+	}
+
+	partition u-boot {
+		in-partition-table = "no"
+		image = "u-boot-sunxi-with-spl.bin"
+		offset = 8K
+		size = 1016K # 1MB - 8KB
+	}
+
+	partition boot {
+		partition-type = 0xC
+		bootable = "true"
+		image = "boot.vfat"
+	}
+
+	partition rootfs {
+		partition-type = 0x83
+		image = "rootfs.ext4"
+	}
+}

board/beelink/gs1/post-build.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+BOARD_DIR="$(dirname $0)"
+
+install -m 0644 -D $BOARD_DIR/extlinux.conf $BINARIES_DIR/extlinux/extlinux.conf