Add patches and packages needed for BPI-r2

root/target/linux/mediatek/base-files/lib/upgrade/platform.sh

@@ -0,0 +1,85 @@
+platform_do_upgrade() {
+	local board=$(board_name)
+	case "$board" in
+	"unielec,u7623"*)
+		#Keep the persisten random mac address (if it exists)
+		mkdir -p /tmp/recovery
+		mount -o rw,noatime /dev/mmcblk0p1 /tmp/recovery
+		[ -f "/tmp/recovery/mac_addr" ] && \
+			mv -f /tmp/recovery/mac_addr /tmp/
+		umount /tmp/recovery
+
+		#1310720 is the offset in bytes from the start of eMMC and to
+		#the location of the kernel (2560 512 byte sectors)
+		get_image "$1" | dd of=/dev/mmcblk0 bs=1310720 seek=1 conv=fsync
+
+		mount -o rw,noatime /dev/mmcblk0p1 /tmp/recovery
+		[ -f "/tmp/mac_addr" ] && mv -f /tmp/mac_addr /tmp/recovery
+		sync
+		umount /tmp/recovery
+		;;
+	bananapi,bpi-r2)
+		local tar_file="$1"
+
+		echo "flashing kernel"
+		tar xf $tar_file sysupgrade-7623n-bananapi-bpi-r2/kernel -O | mtd write - kernel
+
+		echo "flashing rootfs"
+		tar xf $tar_file sysupgrade-7623n-bananapi-bpi-r2/root -O | mtd write - rootfs
+		;;
+	*)
+		default_do_upgrade "$ARGV"
+		;;
+	esac
+}
+
+PART_NAME=firmware
+
+platform_check_image() {
+	local board=$(board_name)
+
+	[ "$#" -gt 1 ] && return 1
+
+	case "$board" in
+	bananapi,bpi-r2)
+		local tar_file="$1"
+		local kernel_length=`(tar xf $tar_file sysupgrade-7623n-bananapi-bpi-r2/kernel -O | wc -c) 2> /dev/null`
+		local rootfs_length=`(tar xf $tar_file sysupgrade-7623n-bananapi-bpi-r2/root -O | wc -c) 2> /dev/null`
+		[ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
+			echo "The upgrade image is corrupt."
+			return 1
+		}
+		;;
+	"unielec,u7623"*)
+		local magic="$(get_magic_long "$1")"
+		[ "$magic" != "27051956" ] && {
+			echo "Invalid image type."
+			return 1
+		}
+		return 0
+		;;
+
+	*)
+		echo "Sysupgrade is not supported on your board yet."
+		return 1
+		;;
+	esac
+
+	return 0
+}
+
+platform_copy_config_emmc() {
+	mkdir -p /recovery
+	mount -o rw,noatime /dev/mmcblk0p1 /recovery
+	cp -af "$CONF_TAR" /recovery/
+	sync
+	umount /recovery
+}
+
+platform_copy_config() {
+	case "$(board_name)" in
+	"unielec,u7623"*)
+		platform_copy_config_emmc
+		;;
+	esac
+}