ramips: Add support for Netgear EX2700

This patch adds support for the Netgear EX2700 and builds an approriate
sysupgrade image.

What's missing is the option to build a factory image flashable via the
router's stock web interface, but this approach is hindered by the fact
that u-boot operforms an additional integrity check, which expects a
uImage header in the last 64 bytes of the "kernel" partition, which
the bootloader expects to be 960k, a size exceeded by the standard
OpenWrt kernel.

Signed-off-by: Joseph C. Lehner <joseph.c.lehner@gmail.com>

SVN-Revision: 48698

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

@@ -125,6 +125,10 @@ dir-810l|\
 mzk-dp150n)
 	ucidef_set_led_default "power" "power" "$board:green:power" "1"
 	;;
+ex2700)
+	ucidef_set_led_default "power_r" "POWER (red)" "$board:red:power" "0"
+	set_wifi_led "$board:green:router"
+	;;
 f5d8235-v1|\
 f5d8235-v2)
 	set_usb_led "$board:blue:storage"

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

@@ -141,7 +141,8 @@ ramips_setup_interfaces()
 		ucidef_add_switch "switch0" \
 			"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "9@eth0"
 		;;
-	cf-wr800n)
+	cf-wr800n|\
+	ex2700)
 		ucidef_add_switch "switch0" \
 			"4:lan" "6t@eth0"
 		;;

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

@@ -34,6 +34,7 @@ get_status_led() {
 	a5-v11|\
 	d105|\
 	dcs-930l-b1|\
+	ex2700|\
 	hlk-rm04|\
 	mpr-a1|\
 	mpr-a2)

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

@@ -154,6 +154,9 @@ ramips_board_detect() {
 	*"ESR-9753")
 		name="esr-9753"
 		;;
+	*"EX2700")
+		name="ex2700";
+		;;
 	*"F5D8235 v1")
 		name="f5d8235-v1"
 		;;

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

@@ -51,6 +51,7 @@ platform_check_image() {
 	dir-810l|\
 	e1700|\
 	esr-9753|\
+	ex2700|\
 	f7c027|\
 	firewrt|\
 	fonera20n|\

target/linux/ramips/dts/EX2700.dts

@@ -0,0 +1,148 @@
+/*
+ * Device Tree file for the Netgear EX2700
+ *
+ * Copyright (C) 2016 Joseph C. Lehner <joseph.c.lehner@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+/dts-v1/;
+
+/include/ "mt7620a.dtsi"
+
+/ {
+	compatible = "ralink,mt7620a-soc";
+	model = "Netgear EX2700";
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	palmbus@10000000 {
+
+		gpio0: gpio@600 {
+			status = "okay";
+		};
+
+		gpio1: gpio@638 {
+			status = "okay";
+		};
+
+		spi@b00 {
+			status = "okay";
+
+			m25p80@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible = "jedec,spi-nor";
+				reg = <0 0>;
+				linux,modalias = "m25p80", "mx25l3205d";
+				spi-max-frequency = <10000000>;
+
+				partition@0 {
+					label = "u-boot";
+					reg = <0x0 0x30000>;
+					read-only;
+				};
+
+				partition@30000 {
+					label = "u-boot-env";
+					reg = <0x30000 0x10000>;
+					read-only;
+				};
+
+				partition@40000 {
+					label = "firmware";
+					reg = <0x40000 0x3b0000>;
+				};
+
+				art: partition@3f0000 {
+					label = "art";
+					reg = <0x3f0000 0x10000>;
+					read-only;
+				};
+			};
+		};
+	};
+
+	ethernet@10100000 {
+		mtd-mac-address = <&art 0x0>;
+	};
+
+	wmac@10180000 {
+		ralink,mtd-eeprom = <&art 0x1000>;
+	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			default {
+				//  spi refclk: pins 37, 38, 39
+				//       uartf: pins 8, 9, 10, 11, 12, 13, 14
+				//         i2c: pins 1, 2
+				ralink,group = "i2c", "uartf", "spi refclk";
+				ralink,function = "gpio";
+			};
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		power_g {
+			label = "ex2700:green:power";
+			gpios = <&gpio0 9 1>;
+			default-state = "on";
+		};
+
+		power_r {
+			label = "ex2700:red:power";
+			gpios = <&gpio0 11 1>;
+		};
+
+		device_g {
+			label = "ex2700:green:device";
+			gpios = <&gpio0 13 1>;
+		};
+
+		device_r {
+			label = "ex2700:red:device";
+			gpios = <&gpio0 10 1>;
+		};
+
+		router_g {
+			label = "ex2700:green:router";
+			gpios = <&gpio0 12 1>;
+		};
+
+		router_r {
+			label = "ex2700:red:router";
+			gpios = <&gpio0 14 1>;
+		};
+
+		wps {
+			label = "ex2700:green:wps";
+			gpios = <&gpio1 15 1>;
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 1 1>;
+			linux,code = <0x198>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio0 2 1>;
+			linux,code = <0x211>;
+		};
+	};
+};

target/linux/ramips/image/Makefile

@@ -913,6 +913,7 @@ endif
 #
 
 Image/Build/Profile/E1700=$(call BuildFirmware/UMedia/$(1),$(1),e1700,E1700,0x013326)
+Image/Build/Profile/EX2700=$(call BuildFirmware/Default4M/$(1),$(1),ex2700,EX2700)
 Image/Build/Profile/MT7620a=$(call BuildFirmware/Default8M/$(1),$(1),mt7620a,MT7620a)
 Image/Build/Profile/MT7620a_MT7610e=$(call BuildFirmware/Default8M/$(1),$(1),mt7620a_mt7610e,MT7620a_MT7610e)
 Image/Build/Profile/MT7620a_MT7530=$(call BuildFirmware/Default8M/$(1),$(1),mt7620a_mt7530,MT7620a_MT7530)
@@ -958,6 +959,7 @@ Image/Build/Profile/TINY-AC=$(call BuildFirmware/Default8M/$(1),$(1),tiny-ac,TIN
 ifeq ($(SUBTARGET),mt7620)
 define Image/Build/Profile/Default
 	$(call Image/Build/Profile/E1700,$(1))
+	$(call Image/Build/Profile/EX2700,$(1))
 	$(call Image/Build/Profile/MT7620a,$(1))
 	$(call Image/Build/Profile/MT7620a_MT7610e,$(1))
 	$(call Image/Build/Profile/MT7620a_MT7530,$(1))

target/linux/ramips/mt7620/profiles/netgear.mk

@@ -0,0 +1,16 @@
+#
+# Copyright (C) 2016 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+define Profile/EX2700
+	NAME:=Netgear EX2700
+	PACKAGES:=-kmod-usb-core -kmod-usb2 -kmod-usb-ohci -kmod-ledtrig-usbdev
+endef
+
+define Profile/EX2700/Description
+	Support for Netgear EX2700
+endef
+$(eval $(call Profile,EX2700))