From 69b0f1cf689817cb2e77cca8f4ae8ea4c5d4a256 Mon Sep 17 00:00:00 2001
From: AmadeusGhost <42570690+AmadeusGhost@users.noreply.github.com>
Date: Thu, 23 Sep 2021 00:46:42 +0800
Subject: [PATCH] ramips: add support for JCG JHR-AC945M (#7900)

Hardware specs:
  SoC: MediaTek MT7621AT
  Flash: SPI NOR 16MB
  RAM: DDR3 256MB
  2.4GHz: MT7615N bgn 4x4
  5GHz: MT7615N nac 4x4
  Ethernet: 1 x WAN and 4 x LAN
  USB: 1 x 3.0
  Button: Reset, WPS

Unsupported chips:
  ATMEGA328P-AU
  HCLTEK HT1621B

Flash instructions:
  Upload factory.bin in stock firmware's upgrade page.

Signed-off-by: AmadeusGhost <amadeus@jmu.edu.cn>
---
 .../ramips/dts/mt7621_jcg_jhr-ac945m.dts      | 131 ++++++++++++++++++
 target/linux/ramips/image/mt7621.mk           |  13 ++
 .../mt7621/base-files/etc/board.d/02_network  |   1 +
 3 files changed, 145 insertions(+)
 create mode 100644 target/linux/ramips/dts/mt7621_jcg_jhr-ac945m.dts

diff --git a/target/linux/ramips/dts/mt7621_jcg_jhr-ac945m.dts b/target/linux/ramips/dts/mt7621_jcg_jhr-ac945m.dts
new file mode 100644
index 000000000..c604bca1c
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_jcg_jhr-ac945m.dts
@@ -0,0 +1,131 @@
+// 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 = "jcg,jhr-ac945m", "mediatek,mt7621-soc";
+	model = "JCG JHR-AC945M";
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+	};
+};
+
+&spi0 {
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <80000000>;
+		m25p,fast-read;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "bootloader";
+				reg = <0x0 0x30000>;
+				read-only;
+			};
+
+			partition@30000 {
+				label = "config";
+				reg = <0x30000 0x10000>;
+				read-only;
+			};
+
+			factory: partition@40000 {
+				label = "factory";
+				reg = <0x40000 0x10000>;
+				read-only;
+			};
+
+			partition@50000 {
+				compatible = "denx,uimage";
+				label = "firmware";
+				reg = <0x50000 0xfb0000>;
+			};
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	wifi@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x0>;
+		ieee80211-freq-limit = <2400000 2500000>;
+	};
+};
+
+&pcie1 {
+	wifi@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+	};
+};
+
+&gmac0 {
+	mtd-mac-address = <&factory 0xe000>;
+};
+
+&switch0 {
+	ports {
+		port@0 {
+			status = "okay";
+			label = "lan1";
+		};
+
+		port@1 {
+			status = "okay";
+			label = "lan2";
+		};
+
+		port@2 {
+			status = "okay";
+			label = "lan3";
+		};
+
+		port@3 {
+			status = "okay";
+			label = "lan4";
+		};
+
+		port@4 {
+			status = "okay";
+			label = "wan";
+			mtd-mac-address = <&factory 0xe006>;
+		};
+	};
+};
+
+&state_default {
+	gpio {
+		groups = "jtag", "wdt";
+		function = "gpio";
+	};
+};
diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index 15746d73c..3413df5c9 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -759,6 +759,19 @@ define Device/jcg_jhr-ac876m
 endef
 TARGET_DEVICES += jcg_jhr-ac876m
 
+define Device/jcg_jhr-ac945m
+  $(Device/dsa-migration)
+  $(Device/uimage-lzma-loader)
+  IMAGE_SIZE := 16064k
+  IMAGES += factory.bin
+  IMAGE/factory.bin := $$(sysupgrade_bin) | check-size | jcg-header 91.1
+  JCG_MAXSIZE := 16064k
+  DEVICE_VENDOR := JCG
+  DEVICE_MODEL := JHR-AC945M
+  DEVICE_PACKAGES := kmod-mt7615e kmod-mt7615-firmware kmod-usb3
+endef
+TARGET_DEVICES += jcg_jhr-ac945m
+
 define Device/jcg_q20
   $(Device/dsa-migration)
   BLOCKSIZE := 128k
diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
index 0f99d2294..5ecd35d08 100644
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
@@ -165,6 +165,7 @@ ramips_setup_macs()
 		wan_mac=$(mtd_get_mac_ascii u-boot-env wanaddr)
 		label_mac=$wan_mac
 		;;
+	jcg,jhr-ac945m|\
 	jcg,y2|\
 	wavlink,wl-wn531a6|\
 	winstars,ws-wn583a6|\