bcm63xx: add NETGEAR DGND3700v2 support

BCM6362 with 64M RAM, 32M NAND and BCM53125 switch.
Switch is connected by MMAP, which is currently unsupported (no VLANs).
More info: https://openwrt.org/toh/netgear/dgnd3700v2

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

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

@@ -63,6 +63,11 @@ netgear,dgnd3700-v1)
 	ucidef_set_led_usbdev "usb1" "USB1" "DGND3700v1_3800B:green:usb-back" "1-1"
 	ucidef_set_led_usbdev "usb2" "USB2" "DGND3700v1_3800B:green:usb-front" "1-2"
 	;;
+netgear,dgnd3700-v2)
+	ucidef_set_led_netdev "lan" "LAN" "dgnd3700-v2:green:ethernet" "eth0"
+	ucidef_set_led_usbdev "usb1" "USB1" "dgnd3700-v2:green:usb1" "1-1"
+	ucidef_set_led_usbdev "usb2" "USB2" "dgnd3700-v2:green:usb2" "1-2"
+	;;
 netgear,evg2000)
 	ucidef_set_led_netdev "lan" "LAN" "EVG2000:green:lan" "eth0"
 	ucidef_set_led_netdev "wan" "WAN" "EVG2000:green:wan" "eth1"

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

@@ -12,6 +12,7 @@ actiontec,r1000h|\
 dynalink,rta770bw|\
 dynalink,rta770w|\
 netgear,cvg834g|\
+netgear,dgnd3700-v2|\
 netgear,evg2000|\
 t-com,speedport-w-303v|\
 t-com,speedport-w-500v)

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

@@ -5,7 +5,8 @@ platform_check_image() {
 	[ "$#" -gt 1 ] && return 1
 
 	case "$(board_name)" in
-		comtrend,vr-3032u)
+		comtrend,vr-3032u|\
+		netgear,dgnd3700-v2)
 			# NAND sysupgrade
 			return 0
 			;;
@@ -61,7 +62,8 @@ cfe_jffs2_upgrade_tar() {
 
 platform_do_upgrade() {
 	case "$(board_name)" in
-		comtrend,vr-3032u)
+		comtrend,vr-3032u|\
+		netgear,dgnd3700-v2)
 			REQUIRE_IMAGE_METADATA=1
 			cfe_jffs2_upgrade_tar "$1"
 			;;

target/linux/bcm63xx/dts/bcm6362-netgear-dgnd3700-v2.dts

@@ -0,0 +1,216 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/dts-v1/;
+
+#include "bcm6362.dtsi"
+
+#include <dt-bindings/input/input.h>
+
+/ {
+	model = "Netgear DGND3700v2";
+	compatible = "netgear,dgnd3700-v2", "brcm,bcm6362";
+
+	aliases {
+		led-boot = &led_power_green;
+		led-failsafe = &led_power_green;
+		led-running = &led_power_green;
+		led-upgrade = &led_power_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@28 {
+			label = "dgnd3700-v2:green:dsl";
+			gpios = <&pinctrl 28 1>;
+		};
+
+		led@34 {
+			label = "dgnd3700-v2:red:power";
+			gpios = <&pinctrl 34 1>;
+		};
+	};
+};
+
+&leds {
+	status = "okay";
+	brcm,serial-leds;
+	brcm,serial-dat-low;
+	brcm,serial-shift-inv;
+	brcm,serial-mux;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_leds &pinctrl_serial_led>;
+
+	led@1 {
+		reg = <1>;
+		active-low;
+		label = "dgnd3700-v2:green:internet";
+	};
+
+	led_power_green: led@8 {
+		reg = <8>;
+		label = "dgnd3700-v2:green:power";
+		default-state = "on";
+	};
+
+	led@9 {
+		reg = <9>;
+		active-low;
+		label = "dgnd3700-v2:green:wps";
+	};
+
+	led@10 {
+		reg = <10>;
+		active-low;
+		label = "dgnd3700-v2:green:usb1";
+	};
+
+	led@11 {
+		reg = <11>;
+		active-low;
+		label = "dgnd3700-v2:green:usb2";
+	};
+
+	led@12 {
+		reg = <12>;
+		active-low;
+		label = "dgnd3700-v2:amber:internet";
+	};
+
+	led@13 {
+		reg = <13>;
+		active-low;
+		label = "dgnd3700-v2:green:ethernet";
+	};
+
+	led@14 {
+		reg = <14>;
+		active-low;
+		label = "dgnd3700-v2:amber:dsl";
+	};
+
+	led@16 {
+		reg = <16>;
+		active-low;
+		label = "dgnd3700-v2:amber:usb1";
+	};
+
+	led@17 {
+		reg = <17>;
+		active-low;
+		label = "dgnd3700-v2:amber:usb2";
+	};
+
+	led@18 {
+		reg = <18>;
+		active-low;
+		label = "dgnd3700-v2:amber:ethernet";
+	};
+};
+
+&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;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "cferom";
+				reg = <0x0000000 0x0004000>;
+				read-only;
+			};
+
+			partition@4000 {
+				compatible = "brcm,wfi";
+				label = "wfi";
+				reg = <0x0004000 0x1c7c000>;
+			};
+
+			partition@1c80000 {
+				label = "flag";
+				reg = <0x1c80000 0x0040000>;
+				read-only;
+			};
+
+			partition@1cc0000 {
+				label = "pcbasn";
+				reg = <0x1cc0000 0x0040000>;
+				read-only;
+			};
+
+			partition@1d00000 {
+				label = "xxx";
+				reg = <0x1d00000 0x0080000>;
+				read-only;
+			};
+
+			partition@1d80000 {
+				label = "language_dev";
+				reg = <0x1d80000 0x0040000>;
+				read-only;
+			};
+
+			partition@1dc0000 {
+				label = "scnvram";
+				reg = <0x1dc0000 0x0100000>;
+				read-only;
+			};
+		};
+	};
+};
+
+&pinctrl {
+	pinctrl_leds: leds {
+		function = "led";
+		pins = "gpio1";
+	};
+};
+
+&uart0 {
+	status = "ok";
+};

target/linux/bcm63xx/image/bcm63xx_nand.mk

@@ -51,3 +51,20 @@ define Device/comtrend_vr-3032u
   CFE_WFI_FLASH_TYPE := 3
 endef
 TARGET_DEVICES += comtrend_vr-3032u
+
+### Netgear ###
+define Device/netgear_dgnd3700-v2
+  $(Device/bcm63xx-nand)
+  DEVICE_VENDOR := NETGEAR
+  DEVICE_MODEL := DGND3700
+  DEVICE_VARIANT := v2
+  CFE_CHIP_ID := 6362
+  CFE_RAM_FILE := netgear,dgnd3700-v2/cferam
+  CFE_RAM_JFFS2_NAME := cferam
+  CFE_RAM_JFFS2_PAD := 496k
+  BLOCKSIZE := 16k
+  PAGESIZE := 512
+  DEVICE_PACKAGES += $(B43_PACKAGES) $(USB2_PACKAGES)
+  CFE_WFI_FLASH_TYPE := 2
+endef
+TARGET_DEVICES += netgear_dgnd3700-v2

target/linux/bcm63xx/patches-5.4/600-board-DGND3700v2.patch

@@ -0,0 +1,50 @@
+--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
++++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
+@@ -1820,6 +1820,31 @@ static struct board_info __initdata boar
+ 	},
+ };
+ 
++static struct board_info __initdata board_dgnd3700v2 = {
++	.name				= "96362ADVN2xh",
++	.expected_cpu_id		= 0x6362,
++
++	.has_pci			= 1,
++
++	.has_ohci0			= 1,
++	.has_ehci0			= 1,
++	.num_usbh_ports			= 2,
++
++	.has_enetsw			= 1,
++	.enetsw = {
++		.used_ports = {
++			[4] = {
++				.used	= 1,
++				.phy_id	= 0xff,
++				.bypass_link = 1,
++				.force_speed = 1000,
++				.force_duplex_full = 1,
++				.name	= "RGMII",
++			},
++		},
++	},
++};
++
+ static struct board_info __initdata board_fast2504n = {
+ 	.name				= "F@ST2504n",
+ 	.expected_cpu_id		= 0x6362,
+@@ -2820,6 +2845,7 @@ static const struct board_info __initcon
+ 
+ #ifdef CONFIG_BCM63XX_CPU_6362
+ 	&board_nb6,
++	&board_dgnd3700v2,
+ 	&board_fast2504n,
+ #endif
+ 
+@@ -2934,6 +2960,7 @@ static struct of_device_id const bcm963x
+ 	{ .compatible = "bt,home-hub-2-a", .data = &board_homehub2a, },
+ #endif
+ #ifdef CONFIG_BCM63XX_CPU_6362
++	{ .compatible = "netgear,dgnd3700-v2", .data = &board_dgnd3700v2, },
+ 	{ .compatible = "sagem,fast-2504n", .data = &board_fast2504n, },
+ 	{ .compatible = "sfr,neufbox-6-sercomm-r0", .data = &board_nb6, },
+ #endif