Initial commit

target/linux/realtek/base-files/lib/upgrade/platform.sh

@@ -0,0 +1,39 @@
+PART_NAME=firmware
+REQUIRE_IMAGE_METADATA=1
+
+RAMFS_COPY_BIN='fw_printenv fw_setenv'
+RAMFS_COPY_DATA='/etc/fw_env.config /var/lock/fw_printenv.lock'
+
+# The TP-Link bootloader gets its flash layout from "bootargs".
+# Use this to our advantage, and:
+#  1. Disable the second rootfs (usrimg2)
+#  2. Extend the first rootfs (usrimg1) to include more space
+#  3. Increase the baudrate to the expected 115200
+tplink_sg2xxx_fix_mtdparts() {
+	local args
+	args="bootargs mtdparts=spi_flash:896K(boot),128K(env),6144K(sys)"
+	args="$args,20480K(usrimg1@main),0K(usrimg2)"
+	args="$args,4096K(usrappfs),1024K(para)\n"
+	args="$args baudrate 115200"
+
+	echo -e "$args" | fw_setenv --script -
+}
+
+platform_check_image() {
+	return 0
+}
+
+platform_do_upgrade() {
+	local board=$(board_name)
+
+	case "$board" in
+	tplink,sg2008p-v1|\
+	tplink,sg2210p-v3)
+		tplink_sg2xxx_fix_mtdparts
+		default_do_upgrade "$1"
+		;;
+	*)
+		default_do_upgrade "$1"
+		;;
+	esac
+}