ramips: Add support to TP-Link Archer MR200

CPU: MT7620N 580MHz
Flash: 8MB
RAM: 64MB
build-in modem 3G/4G
four ethernet port 10/100Mbps

Signed-off-by: Henryk Heisig <hyniu@o2.pl>

target/linux/ramips/base-files/etc/board.d/01_leds

@@ -242,6 +242,12 @@ mr-102n)
 	set_wifi_led "$board:green:wlan"
 	set_usb_led "$board:green:usb"
 	;;
+mr200)
+	ucidef_set_led_default "power" "power" "$board:white:power" "1"
+	ucidef_set_led_netdev "lan" "lan" "$board:white:lan" "eth0.1"
+	ucidef_set_led_netdev "wan" "wan" "$board:white:wan" "usb0"
+	set_wifi_led "$board:white:wlan"
+	;;
 mzk-ex750np)
 	ucidef_set_led_default "power" "power" "$board:red:power" "1"
 	set_wifi_led "$board:red:wifi"

target/linux/ramips/base-files/etc/board.d/02_network

@@ -217,6 +217,11 @@ ramips_setup_interfaces()
 	wl-330n)
 		ucidef_set_interface_lan "eth0.1"
 		;;
+	mr200)
+		ucidef_add_switch "switch0" \
+			"0:lan" "1:lan" "2:lan" "3:lan" "6t@eth0"
+		ucidef_set_interface_wan "usb0"
+		;;
 	mzk-dp150n|\
 	vocore)
 		ucidef_add_switch "switch0" \

target/linux/ramips/base-files/etc/diag.sh

@@ -164,6 +164,9 @@ get_status_led() {
 	mr-102n)
 		status_led="$board:amber:status"
 		;;
+	mr200)
+		status_led="$board:white:power"
+		;;
 	nw718)
 		status_led="$board:amber:cpu"
 		;;

target/linux/ramips/base-files/etc/init.d/enablemodem

@@ -0,0 +1,16 @@
+#!/bin/sh /etc/rc.common
+. /lib/ramips.sh
+
+START=99
+
+start() {
+	local board=$(ramips_board_name)
+	if [ $board = "mr200" ]; then
+		adb wait-for-device
+		adb shell chmod +x /WEBSERVER/www/cgi-bin/*
+		adb shell httpd -h /WEBSERVER/www/ &
+		echo "2357 000d" > /sys/bus/usb-serial/drivers/option1/new_id
+		sleep 2
+		adb kill-server
+	fi
+}

target/linux/ramips/base-files/lib/ramips.sh

@@ -295,6 +295,9 @@ ramips_board_detect() {
 	*"MR-102N")
 		name="mr-102n"
 		;;
+	*"MR200")
+		name="mr200"
+		;;
 	*"MT7620a + MT7530 evaluation"*)
 		name="mt7620a_mt7530"
 		;;

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

@@ -204,7 +204,8 @@ platform_check_image() {
 		return 0
 		;;
 	c20i|\
-	c50)
+	c50|\
+	mr200)
 		[ "$magic" != "03000000" ] && {
 			echo "Invalid image type."
 			return 1

target/linux/ramips/dts/ArcherMR200.dts

@@ -0,0 +1,195 @@
+/dts-v1/;
+
+#include "mt7620a.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	compatible = "ralink,mt7620a-soc";
+	model = "TP-Link Archer MR200";
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		lan {
+			label = "mr200:white:lan";
+			gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+		};
+
+		wan {
+			label = "mr200:white:wan";
+			gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
+		};
+
+		power {
+			label = "mr200:white:power";
+			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
+		};
+
+		4g {
+			label = "mr200:white:4g";
+			gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
+		};
+
+		wps {
+			label = "mr200:white:wps";
+			gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
+		};
+
+		signal1 {
+			label = "mr200:white:signal1";
+			gpios = <&gpio2 1 GPIO_ACTIVE_LOW>;
+		};
+
+		signal2 {
+			label = "mr200:white:signal2";
+			gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
+		};
+
+		signal3 {
+			label = "mr200:white:signal3";
+			gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
+		};
+
+		signal4 {
+			label = "mr200:white:signal4";
+			gpios = <&gpio2 4 GPIO_ACTIVE_LOW>;
+		};
+
+		wlan {
+			label = "mr200:white:wlan";
+			gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		rfkill {
+			label = "rfkill";
+			gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_RFKILL>;
+		};
+	};
+
+	gpio_export {
+		compatible = "gpio-export";
+		#size-cells = <0>;
+
+		power_usb {
+			gpio-export,name = "power_usb1";
+			gpio-export,output = <1>;
+			gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&gpio2 {
+	status = "okay";
+};
+
+&gpio3 {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+
+	m25p80@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		linux,modalias = "m25p80", "mx25l6405d";
+		spi-max-frequency = <10000000>;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x0 0x20000>;
+			read-only;
+		};
+
+		partition@20000 {
+			label = "firmware";
+			reg = <0x20000 0x7b0000>;
+		};
+
+		rom: partition@7d0000 {
+			label = "rom";
+			reg = <0x7d0000 0x10000>;
+			read-only;
+		};
+
+		partition@7e0000 {
+			label = "romfile";
+			reg = <0x7e0000 0x10000>;
+			read-only;
+		};
+
+		radio: partition@7f0000 {
+			label = "radio";
+			reg = <0x7f0000 0x10000>;
+			read-only;
+		};
+	};
+};
+
+&pinctrl {
+	state_default: pinctrl0 {
+		gpio {
+			ralink,group = "i2c", "uartf", "rgmii1", "rgmii2", "wled", "nd_sd", "ephy", "spi refclk";
+			ralink,function = "gpio";
+		};
+	};
+};
+
+&ethernet {
+		mtd-mac-address = <&rom 0xf100>;
+		mediatek,portmap = "llll";
+	};
+
+&ehci {
+	status = "okay";
+};
+
+&ohci {
+	status = "okay";
+};
+
+&gsw {
+	mediatek,port4 = "ephy";
+};
+
+&wmac {
+	ralink,mtd-eeprom = <&radio 0>;
+};
+
+&pcie {
+	status = "okay";
+
+	pcie-bridge {
+		mt76@0,0 {
+			reg = <0x0000 0 0 0 0>;
+			device_type = "pci";
+			mediatek,mtd-eeprom = <&radio 32768>;
+			mediatek,2ghz = <0>;
+		};
+	};
+};

target/linux/ramips/image/mt7620.mk

@@ -59,6 +59,16 @@ define Device/ArcherC50
 endef
 TARGET_DEVICES += ArcherC50
 
+define Device/ArcherMR200
+  DTS := ArcherMR200
+  KERNEL := $(KERNEL_DTB)
+  KERNEL_INITRAMFS := $(KERNEL_DTB) | tplink-header ArcherMR200 -c
+  IMAGE/sysupgrade.bin := append-kernel | tplink-header ArcherMR200 -j -r $(KDIR)/root.squashfs
+  DEVICE_PACKAGES := kmod-usb2 kmod-usb-net kmod-usb-net-rndis kmod-usb-serial kmod-usb-serial-option adb
+  DEVICE_TITLE := TP-Link ArcherMR200
+endef
+TARGET_DEVICES += ArcherMR200
+
 define Device/ex2700
   DTS := EX2700
   BLOCKSIZE := 4k

tools/firmware-utils/src/mktplinkfw2.c

@@ -155,6 +155,12 @@ static struct flash_layout layouts[] = {
 		.kernel_la	= 0x80000000,
 		.kernel_ep	= 0x80000000,
 		.rootfs_ofs	= 0x140000,
+	}, {
+		.id		= "8MLmtk",
+		.fw_max_len	= 0x7b0000,
+		.kernel_la	= 0x80000000,
+		.kernel_ep	= 0x80000000,
+		.rootfs_ofs	= 0x140000,
 	}, {
 		/* terminating entry */
 	}
@@ -191,6 +197,13 @@ static struct board_info boards[] = {
 		.layout_id	= "8Mmtk",
 		.hdr_ver	= 3,
 		.endian_swap	= true,
+	}, {
+		.id		= "ArcherMR200",
+		.hw_id		= 0xd7500001,
+		.hw_rev		= 0x4a,
+		.layout_id	= "8MLmtk",
+		.hdr_ver	= 3,
+		.endian_swap	= true,
 	}, {
 		/* terminating entry */
 	}