ramips: add support for Linksys EA7500 v2 (#4646)

* ramips: add support for Linksys EA7500 v2

* fix build

* fix build

* update build config

package/boot/uboot-envtools/files/ramips

@@ -33,6 +33,7 @@ xiaomi,miwifi-nano|\
 zbtlink,zbt-wg2626)
 	ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x1000" "0x10000"
 	;;
+linksys,ea7500-v2|\
 xiaomi,mir3p|\
 xiaomi,mir3g|\
 xiaomi,miwifi-r3|\

package/system/mtd/src/Makefile

@@ -11,7 +11,7 @@ obj.brcm = trx.o
 obj.brcm47xx = $(obj.brcm)
 obj.bcm53xx = $(obj.brcm) $(obj.seama)
 obj.brcm63xx = imagetag.o
-obj.ramips = $(obj.seama) $(obj.wrg)
+obj.ramips = $(obj.seama) $(obj.wrg) linksys_bootcount.o
 obj.mvebu = linksys_bootcount.o
 obj.kirkwood = linksys_bootcount.o
 obj.ipq806x = linksys_bootcount.o

target/linux/ramips/dts/mt7621_linksys_ea7500-v2.dts

+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "linksys,ea7500-v2", "mediatek,mt7621-soc";
+	model = "Linksys EA7500 v2";
+
+	aliases {
+		led-boot = &led_power;
+		led-failsafe = &led_power;
+		led-running = &led_power;
+		led-upgrade = &led_power;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		wan_green {
+			label = "ea7500-v2:green:wan";
+			gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
+		};
+
+		lan1_green {
+			label = "ea7500-v2:green:lan1";
+			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+		};
+
+		lan2_green {
+			label = "ea7500-v2:green:lan2";
+			gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
+		};
+
+		lan3_green {
+			label = "ea7500-v2:green:lan3";
+			gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
+		};
+
+		lan4_green {
+			label = "ea7500-v2:green:lan4";
+			gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
+		};
+
+		led_power: power {
+			label = "ea7500-v2:white:power";
+			gpios = <&gpio0 10 GPIO_ACTIVE_HIGH>;
+		};
+
+		wps {
+			label = "ea7500-v2:green:wps";
+			gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		wps {
+			label = "wps";
+			gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+};
+
+&nand {
+	status = "okay";
+
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "boot";
+			reg = <0x0 0x80000>;
+			read-only;
+		};
+
+		partition@80000 {
+			label = "u_env";
+			reg = <0x80000 0x40000>;
+			read-only;
+		};
+
+		factory: partition@c0000 {
+			label = "factory";
+			reg = <0xc0000 0x40000>;
+			read-only;
+		};
+
+		partition@100000 {
+			label = "s_env";
+			reg = <0x100000 0x40000>;
+		};
+
+		partition@140000 {
+			label = "devinfo";
+			reg = <0x140000 0x40000>;
+			read-only;
+		};
+
+		partition@180000 {
+			label = "kernel";
+			reg = <0x180000 0x400000>;
+		};
+
+		partition@580000 {
+			label = "ubi";
+			reg = <0x580000 0x2400000>;
+		};
+
+		partition@2980000 {
+			label = "alt_kernel";
+			reg = <0x2980000 0x400000>;
+			read-only;
+		};
+
+		partition@2d80000 {
+			label = "alt_rootfs";
+			reg = <0x2d80000 0x2400000>;
+			read-only;
+		};
+
+		partition@5180000 {
+			label = "sysdiag";
+			reg = <0x5180000 0x100000>;
+			read-only;
+		};
+
+		partition@5280000 {
+			label = "syscfg";
+			reg = <0x5280000 0x2d00000>;
+			read-only;
+		};
+	};
+};
+
+&state_default {
+	gpio {
+		ralink,group = "i2c", "uart2", "uart3", "jtag", "wdt";
+		ralink,function = "gpio";
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	mt76@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x0000>;
+	};
+};
+
+&pcie1 {
+	mt76@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+	};
+};
\ No newline at end of file

target/linux/ramips/image/mt7621.mk

@@ -453,6 +453,23 @@ define Device/lenovo_newifi-d1
 endef
 TARGET_DEVICES += lenovo_newifi-d1
 
+define Device/linksys_ea7500-v2
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  KERNEL_SIZE := 4096k
+  IMAGE_SIZE := 36864k
+  DEVICE_VENDOR := Linksys
+  DEVICE_MODEL := EA7500
+  DEVICE_VARIANT := v2
+  DEVICE_PACKAGES := kmod-usb3 kmod-mt7615e wpad-openssl uboot-envtools
+  UBINIZE_OPTS := -E 5
+  IMAGES := sysupgrade.bin factory.bin
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata | check-size $$$$(IMAGE_SIZE)
+  IMAGE/factory.bin := append-kernel | pad-to $$$$(KERNEL_SIZE) | \
+	append-ubi | check-size $$$$(IMAGE_SIZE) | linksys-image type=EA7500v2
+endef
+TARGET_DEVICES += linksys_ea7500-v2
+
 define Device/linksys_re6500
   IMAGE_SIZE := 7872k
   DEVICE_VENDOR := Linksys

target/linux/ramips/mt7621/base-files/etc/board.d/01_leds

@@ -34,6 +34,13 @@ gnubee,gb-pc2)
 	ucidef_set_led_switch "lan1" "lan1" "$boardname:green:lan1" "switch0" "0x01"
 	ucidef_set_led_switch "lan2" "lan2" "$boardname:green:lan2" "switch0" "0x10"
 	;;
+linksys,ea7500-v2)
+	ucidef_set_led_netdev "lan1" "lan1 link" "$boardname:green:lan1" "lan1" "link"
+	ucidef_set_led_netdev "lan2" "lan2 link" "$boardname:green:lan2" "lan2" "link"
+	ucidef_set_led_netdev "lan3" "lan3 link" "$boardname:green:lan3" "lan3" "link"
+	ucidef_set_led_netdev "lan4" "lan4 link" "$boardname:green:lan4" "lan4" "link"
+	ucidef_set_led_netdev "wan" "wan link" "$boardname:green:wan" "wan" "link"
+	;;
 mikrotik,rbm11g)
 	ucidef_set_rssimon "wlan0" "200000" "1"
 	ucidef_set_led_rssi "rssilow" "RSSILOW" "$boardname:green:rssi0" "wlan0" "1" "100"

target/linux/ramips/mt7621/base-files/etc/board.d/02_network

@@ -117,6 +117,10 @@ ramips_setup_interfaces()
 		ucidef_add_switch "switch0" \
 		"1:lan:2" "2:lan:1" "4:wan" "6@eth0"
 		;;
+	linksys,ea7500-v2)
+		ucidef_add_switch "switch0" \
+			"0:wan" "1:lan" "2:lan" "3:lan" "4:lan" "6t@eth0"
+		;;
 	linksys,re6500)
 		ucidef_add_switch "switch0" \
 			"0:lan:1" "1:lan:2" "2:lan:3" "3:lan:4" "6@eth0"
@@ -247,6 +251,11 @@ ramips_setup_macs()
 		wan_mac=$(mtd_get_mac_ascii u-boot-env wanaddr)
 		label_mac=$wan_mac
 		;;
+	linksys,ea7500-v2)
+		lan_mac=$(mtd_get_mac_ascii devinfo hw_mac_addr)
+		wan_mac=$lan_mac
+		label_mac=$lan_mac
+		;;
 	iptime,a6ns-m|\
 	iptime,a8004t)
 		wan_mac=$(mtd_get_mac_binary u-boot 0x1fc40)

target/linux/ramips/mt7621/base-files/etc/hotplug.d/ieee80211/10_fix_wifi_mac

+[ "$ACTION" == "add" ] || exit 0
+
+PHYNBR=${DEVPATH##*/phy}
+
+[ -n $PHYNBR ] || exit 0
+
+. /lib/functions.sh
+. /lib/functions/system.sh
+
+board=$(board_name)
+
+case "$board" in
+	linksys,ea7500-v2)
+		hw_mac_addr=$(mtd_get_mac_ascii devinfo hw_mac_addr)
+		[ "$PHYNBR" = "0" ] && macaddr_add $hw_mac_addr 1 > /sys${DEVPATH}/macaddress
+		[ "$PHYNBR" = "1" ] && macaddr_add $hw_mac_addr 2 > /sys${DEVPATH}/macaddress
+		;;
+esac

target/linux/ramips/mt7621/base-files/etc/init.d/bootcount

@@ -8,6 +8,9 @@ boot() {
 		[ -n "$(fw_printenv bootcount bootchanged 2>/dev/null)" ] &&\
 			echo -e "bootcount\nbootchanged\n" | /usr/sbin/fw_setenv -s -
 		;;
+	linksys,ea7500-v2)
+		mtd resetbc s_env || true
+		;;
 	samknows,whitebox-v8)
 		fw_setenv bootcount 0
 		;;

target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh

@@ -45,6 +45,7 @@ platform_do_upgrade() {
 	asus,rt-ac65p|\
 	asus,rt-ac85p|\
 	hiwifi,hc5962|\
+	linksys,ea7500-v2|\
 	netgear,r6220|\
 	netgear,r6260|\
 	netgear,r6350|\