ramips: add support for Xiaomi Mi Router CR660x series

package/boot/uboot-envtools/files/ramips

@@ -51,6 +51,9 @@ xiaomi,mi-router-ac2100|\
 xiaomi,redmi-router-ac2100)
 	ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x1000" "0x20000"
 	;;
+xiaomi,mi-router-cr6606)
+	ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x10000" "0x20000"
+	;;
 esac
 
 config_load ubootenv

target/linux/ramips/dts/mt7621_xiaomi_mi-router-cr6606.dts

@@ -0,0 +1,187 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "xiaomi,mi-router-cr6606", "mediatek,mt7621-soc";
+	model = "Xiaomi Mi Router CR6606";
+	
+	aliases {
+		led-boot = &led_sys_yellow;
+		led-failsafe = &led_sys_yellow;
+		led-running = &led_sys_blue;
+		led-upgrade = &led_sys_yellow;
+		label-mac-device = &gmac0;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_sys_yellow: sys_yellow {
+			label = "yellow:sys";
+			gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
+		};
+
+		led_sys_blue: sys_blue {
+			label = "blue:sys";
+			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
+		};
+
+		net_yellow {
+			label = "yellow:net";
+			gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
+		};
+
+		net_blue {
+			label = "blue:net";
+			gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	keys: keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio 7 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+	};
+};
+
+&nand {
+	status = "okay";
+
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "Bootloader";
+			reg = <0x0 0x80000>;
+			read-only;
+		};
+
+		partition@80000 {
+			label = "Nvram";
+			reg = <0x80000 0x40000>;
+			read-only;
+		};
+
+		partition@c0000 {
+			label = "Bdata";
+			reg = <0xc0000 0x40000>;
+			read-only;
+		};
+
+		factory: partition@100000 {
+			label = "Factory";
+			reg = <0x100000 0x80000>;
+			read-only;
+		};
+
+		partition@180000 {
+			label = "crash";
+			reg = <0x180000 0x40000>;
+			read-only;
+		};
+
+		partition@1c0000 {
+			label = "crash_log";
+			reg = <0x1c0000 0x40000>;
+			read-only;
+		};
+
+		partition@200000 {
+			label = "firmware";
+			compatible = "denx,uimage";
+			reg = <0x200000 0x1e00000>;
+		};
+
+		partition@2000000 {
+			label = "firmware1";
+			reg = <0x2000000 0x1e00000>;
+		};
+
+		partition@3e00000 {
+			label = "ubi";
+			reg = <0x3e00000 0x3200000>;
+		};
+
+		partition@7000000 {
+			label = "obr";
+			reg = <0x7000000 0x1000000>;
+            read-only;
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie1 {
+	wifi@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x0>;
+	};
+};
+
+&pcie2 {
+	wifi@0,0 {
+		reg = <0x0 0 0 0 0>;
+	};
+};
+
+&gmac0 {
+	mtd-mac-address = <&factory 0x3fff4>;
+};
+
+&switch0 {
+	ports {
+		port@0 {
+			status = "okay";
+			label = "lan1";
+		};
+
+		port@1 {
+			status = "okay";
+			label = "lan2";
+		};
+
+		port@2 {
+			status = "okay";
+			label = "lan3";
+		};
+
+		port@4 {
+			status = "okay";
+			label = "wan";
+			mtd-mac-address = <&factory 0x3fffa>;
+		};
+	};
+};
+
+&state_default {
+	gpio {
+		groups = "jtag", "uart3", "wdt";
+		function = "gpio";
+	};
+};

target/linux/ramips/image/mt7621.mk

@@ -1093,6 +1093,33 @@ define Device/xiaomi_mi-router-ac2100
 endef
 TARGET_DEVICES += xiaomi_mi-router-ac2100
 
+define Device/xiaomi_mi-router-cr6606
+  $(Device/dsa-migration)
+  $(Device/uimage-lzma-loader)
+  DEVICE_VENDOR := Xiaomi
+  DEVICE_MODEL := Mi Router CR6606
+  DEVICE_ALT0_VENDOR := Xiaomi
+  DEVICE_ALT0_MODEL := Mi Router CR6606
+  DEVICE_ALT0_VARIANT := China Unicom
+  DEVICE_ALT1_VENDOR := Xiaomi
+  DEVICE_ALT1_MODEL := Mi Router CR6608
+  DEVICE_ALT1_VARIANT := China Mobile
+  DEVICE_ALT2_VENDOR := Xiaomi
+  DEVICE_ALT2_MODEL := Mi Router CR6609
+  DEVICE_ALT2_VARIANT := China Telecom
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  UBINIZE_OPTS := -E 5
+  IMAGE_SIZE := 51200k
+  IMAGES += firmware.bin overlay.bin
+  IMAGE/firmware.bin := append-kernel | pad-to 128k | append-rootfs | \
+  pad-rootfs
+  IMAGE/overlay.bin := append-ubi | check-size
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+  DEVICE_PACKAGES += uboot-envtools kmod-mt7915e
+endef
+TARGET_DEVICES += xiaomi_mi-router-cr6606
+
 define Device/xiaomi_redmi-router-ac2100
   $(Device/xiaomi-ac2100)
   DEVICE_MODEL := Redmi Router AC2100

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

@@ -94,6 +94,9 @@ xiaomi,mir3g)
 xiaomi,mi-router-ac2100)
 	ucidef_set_led_switch "wan" "wan" "$boardname:blue:wan" "switch0" "0x1"
 	;;
+xiaomi,mi-router-cr6606)
+	ucidef_set_led_netdev "internet" "internet" "blue:net" "wan"
+	;;
 xiaomi,redmi-router-ac2100)
 	ucidef_set_led_switch "wan" "wan" "$boardname:white:wan" "switch0" "0x1"
 	;;

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

@@ -90,6 +90,7 @@ ramips_setup_interfaces()
 		ucidef_set_interface_lan "eth0.1 ra0 rai0"
 		;;
 	xiaomi,mi-router-ac2100|\
+	xiaomi,mi-router-cr6606|\
 	xiaomi,redmi-router-ac2100)
 		ucidef_add_switch "switch0" \
 			"0:wan" "2:lan:1" "3:lan:2" "4:lan:3" "6@eth0"

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

@@ -59,6 +59,7 @@ platform_do_upgrade() {
 	xiaomi,mir3p|\
 	xiaomi,mir4|\
 	xiaomi,mi-router-ac2100|\
+	xiaomi,mi-router-cr6606|\
 	xiaomi,redmi-router-ac2100)
 		nand_do_upgrade "$1"
 		;;