bcm63xx: WIP: add Huawei HG253s v2 support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

target/linux/bcm63xx/base-files/etc/board.d/01_leds

@@ -50,6 +50,9 @@ huawei,echolife-hg622)
 huawei,echolife-hg655b)
 	ucidef_set_led_usbdev "usb" "USB" "HW65x:green:usb" "1-2"
 	;;
+huawei,hg253s-v2)
+	ucidef_set_led_usbdev "usb" "USB" "hg253s-v2:green:usb" "1-1"
+	;;
 inventel,livebox-1)
 	ucidef_set_led_netdev "lan" "LAN" "Livebox1:red:traffic" "eth0"
 	ucidef_set_led_netdev "wan" "WAN" "Livebox1:red:adsl" "eth1"

target/linux/bcm63xx/base-files/etc/board.d/02_network

@@ -120,6 +120,10 @@ sfr,neufbox-4-sercomm-r0)
 	ucidef_add_switch "switch0" \
 		"0:lan:4" "1:lan:3" "2:lan:2" "3:lan:1" "5t@eth1"
 	;;
+huawei,hg253s-v2)
+	ucidef_add_switch "switch0" \
+		"1:lan:4" "2:lan:3" "3:lan:2" "4:lan:1" "8t@eth0"
+	;;
 inteno,vg50)
 	ucidef_add_switch "switch0" \
 		"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "8t@eth0"

target/linux/bcm63xx/base-files/lib/upgrade/platform.sh

@@ -7,6 +7,7 @@ platform_check_image() {
 	case "$(board_name)" in
 		comtrend,vg-8050|\
 		comtrend,vr-3032u|\
+		huawei,hg253s-v2|\
 		netgear,dgnd3700-v2|\
 		sercomm,ad1018)
 			# NAND sysupgrade
@@ -66,6 +67,7 @@ platform_do_upgrade() {
 	case "$(board_name)" in
 		comtrend,vg-8050|\
 		comtrend,vr-3032u|\
+		huawei,hg253s-v2|\
 		netgear,dgnd3700-v2|\
 		sercomm,ad1018)
 			REQUIRE_IMAGE_METADATA=1

target/linux/bcm63xx/dts/bcm6362-huawei-hg253s-v2.dts

@@ -0,0 +1,178 @@
+/dts-v1/;
+
+#include "bcm6362.dtsi"
+
+#include <dt-bindings/input/input.h>
+
+/ {
+	model = "Huawei HG253s v2";
+	compatible = "huawei,hg253s-v2", "brcm,bcm6362";
+
+	aliases {
+		led-boot = &led_phone_green;
+		led-failsafe = &led_phone_green;
+		led-upgrade = &led_phone_green;
+	};
+
+	chosen {
+		bootargs = "rootfstype=squashfs,ubifs noinitrd console=ttyS0,115200";
+		stdout-path = "serial0:115200n8";
+	};
+
+	keys {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			gpios = <&pinctrl 24 1>;
+			linux,code = <KEY_RESTART>;
+			debounce-interval = <60>;
+		};
+
+		wlan {
+			label = "wlan";
+			gpios = <&pinctrl 25 1>;
+			linux,code = <KEY_WLAN>;
+			debounce-interval = <60>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&pinctrl 26 1>;
+			linux,code = <KEY_WPS_BUTTON>;
+			debounce-interval = <60>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_phone_green: led@28 {
+			label = "hg253s-v2:green:phone";
+			gpios = <&pinctrl 28 1>;
+		};
+
+		led@30 {
+			label = "hg253s-v2:green:usb";
+			gpios = <&pinctrl 30 1>;
+		};
+	};
+};
+
+&leds {
+	status = "ok";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_leds>;
+
+	led@3 {
+		reg = <3>;
+		active-low;
+		label = "hg253s-v2:green:internet";
+	};
+
+	led@5 {
+		reg = <5>;
+		active-low;
+		label = "hg253s-v2:green:wifi";
+	};
+};
+
+&lsspi {
+	switch@0 {
+		compatible = "brcm,bcm53125";
+		reg = <0>;
+		spi-max-frequency = <781000>;
+
+		lede,alias = "eth0";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			lan@1 {
+				reg = <1>;
+				label = "lan4";
+			};
+
+			lan@2 {
+				reg = <2>;
+				label = "lan3";
+			};
+
+			lan@3 {
+				reg = <3>;
+				label = "lan2";
+			};
+
+			lan@4 {
+				reg = <4>;
+				label = "lan1";
+			};
+
+			cpu@8 {
+				reg = <8>;
+				label = "cpu";
+
+				fixed-link {
+					speed = <1000>;
+					full-duplex;
+					asym-pause;
+					pause;
+				};
+			};
+		};
+	};
+};
+
+&nflash {
+	status = "ok";
+
+	nandcs@0 {
+		compatible = "brcm,nandcs";
+		#size-cells = <1>;
+		#address-cells = <1>;
+		reg = <0>;
+		nand-ecc-step-size = <512>;
+		nand-ecc-strength = <15>;
+		nand-on-flash-bbt;
+		brcm,nand-oob-sector-size = <64>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "cferom";
+				reg = <0x0000000 0x0020000>;
+				read-only;
+			};
+
+			partition@20000 {
+				compatible = "brcm,wfi";
+				label = "wfi";
+				reg = <0x0020000 0x7d80000>;
+			};
+
+			partition@7da0000 {
+				label = "nvram";
+				reg = <0x7da0000 0x160000>;
+			};
+		};
+	};
+};
+
+&pinctrl {
+	pinctrl_leds: leds {
+		function = "led";
+		pins = "gpio3", "gpio5";
+	};
+};
+
+&uart0 {
+	status = "ok";
+};

target/linux/bcm63xx/image/bcm63xx_nand.mk

@@ -71,6 +71,28 @@ define Device/comtrend_vg-8050
 endef
 TARGET_DEVICES += comtrend_vg-8050
 
+### Huawei ###
+define Device/huawei_hg253s-v2
+  $(Device/bcm63xx-nand)
+  IMAGES := flash.bin sysupgrade.bin
+  IMAGE/flash.bin := append-kernel | pad-to $$$$(KERNEL_SIZE) | cfe-jffs2-cferam | append-ubi
+  DEVICE_VENDOR := Huawei
+  DEVICE_MODEL := HG253s
+  DEVICE_VARIANT := v2
+  CHIP_ID := 6362
+  CFE_PART_FLAGS := 1
+  CFE_PART_ID := 0x0001EFEE
+  CFE_RAM_FILE := huawei,hg253s-v2/cferam.000
+  CFE_RAM_JFFS2_NAME := cferam.000
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  SUBPAGESIZE := 512
+  VID_HDR_OFFSET := 2048
+  DEVICE_PACKAGES += $(USB2_PACKAGES)
+  CFE_WFI_FLASH_TYPE := 3
+endef
+TARGET_DEVICES += huawei_hg253s-v2
+
 ### Netgear ###
 define Device/netgear_dgnd3700-v2
   $(Device/bcm63xx-nand)

target/linux/bcm63xx/patches-5.4/566-board-HG253s-v2.patch

@@ -0,0 +1,56 @@
+--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
++++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
+@@ -1879,6 +1879,37 @@ static struct board_info __initdata boar
+ 		},
+ 	},
+ };
++
++static struct board_info __initdata board_hg253s_v2 = {
++	.name = "hg253s",
++	.expected_cpu_id = 0x6362,
++
++	.has_ehci0 = 1,
++	.has_ohci0 = 1,
++	.num_usbh_ports = 1,
++
++	.has_enetsw = 1,
++	.enetsw = {
++		.used_ports = {
++			[4] = {
++				.used = 1,
++				.phy_id = 0xff,
++				.bypass_link = 1,
++				.force_speed = 1000,
++				.force_duplex_full = 1,
++				.timing_sel = 1,
++				.name = "RGMII",
++			},
++
++			[5] = {
++				.used = 1,
++				.phy_id	= 24,
++				.timing_sel = 1,
++				.name = "WAN",
++			},
++		},
++	},
++};
+ #endif /* CONFIG_BCM63XX_CPU_6362 */
+ 
+ /*
+@@ -2882,6 +2913,7 @@ static const struct board_info __initcon
+ 	&board_nb6,
+ 	&board_dgnd3700v2,
+ 	&board_fast2504n,
++	&board_hg253s_v2,
+ #endif
+ 
+ #ifdef CONFIG_BCM63XX_CPU_6368
+@@ -2997,6 +3029,7 @@ static struct of_device_id const bcm963x
+ 	{ .compatible = "bt,home-hub-2-a", .data = &board_homehub2a, },
+ #endif
+ #ifdef CONFIG_BCM63XX_CPU_6362
++	{ .compatible = "huawei,hg253s-v2", .data = &board_hg253s_v2, },
+ 	{ .compatible = "netgear,dgnd3700-v2", .data = &board_dgnd3700v2, },
+ 	{ .compatible = "sagem,fast-2504n", .data = &board_fast2504n, },
+ 	{ .compatible = "sfr,neufbox-6-sercomm-r0", .data = &board_nb6, },