ramips: add Edimax BR-6208AC V2 support

Specifications:
- Device: Edimax BR-6208AC V2
- SoC: MT7620A
- Flash: 16 MiB
- RAM: 64 MiB
- Switch: 1 WAN, 3 LAN (10/100 Mbps)
- WiFi: MT7620 2.4 GHz + MT7610E 5 GHz
- LEDs: 1x POWER (green, not configurable)
        1x Firmware (green, configurable)
        1x Internet (green, configurable)
        1x VPN (green, configurable)
        1x 2.4G (green, not configurable)
        1x 5G (green, not configurable)

Normal installation:
- Upload the sysupgrade image via the default web interface

Installation with U-Boot and TFTP:
- Requires a TFTP server which provides the sysupgrade image
- Requires a connection to the serial port of the device, rate 57600

Signed-off-by: Stefan Weil <sw@weilnetz.de>

diff --git a/target/linux/ramips/dts/mt7620a_edimax_br-6208ac-v2.dts b/target/linux/ramips/dts/mt7620a_edimax_br-6208ac-v2.dts
new file mode 100644 (file)
index 0000000..5f1c01b
--- /dev/null
+++ b/target/linux/ramips/dts/mt7620a_edimax_br-6208ac-v2.dts
@@ -0,0 +1,217 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2023 Stefan Weil <sw@weilnetz.de>
+ */
+
+#include "mt7620a.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/mtd/partitions/uimage.h>
+
+/ {
+       compatible = "edimax,br-6208ac-v2", "ralink,mt7620a-soc";
+       model = "Edimax BR-6208AC v2";
+
+       aliases {
+               led-boot = &led_power;
+               led-failsafe = &led_power;
+               led-running = &led_power;
+               led-upgrade = &led_firmware;
+       };
+
+       keys {
+               compatible = "gpio-keys";
+
+               // Vendor firmware: /proc/RESET_BUTTON
+               reset_wps {
+                       label = "reset_wps";
+                       gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_RESTART>;
+               };
+       };
+
+       // Vendor firmware: /proc/driver/led
+       leds {
+               compatible = "gpio-leds";
+
+               led_power: power {
+                       label = "green:power";
+                       color = <LED_COLOR_ID_GREEN>;
+                       function = LED_FUNCTION_POWER;
+                       gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
+               };
+
+               // RALINK_REG_PIO3924DATA 39-24
+               led_internet: internet {
+                       label = "green:internet";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
+               };
+
+               // RALINK_REG_PIO7140DATA 44-40
+               led_wlan_2_4ghz: wlan_2_4ghz {
+                       label = "green:wlan2g";
+                       color = <LED_COLOR_ID_GREEN>;
+                       function = LED_FUNCTION_WLAN;
+                       gpios = <&gpio2 4 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "phy1tpt";
+               };
+
+               // RALINK_REG_PIO7140DATA 43-40
+               led_wlan_5ghz: wlan_5ghz {
+                       label = "green:wlan5g";
+                       color = <LED_COLOR_ID_GREEN>;
+                       function = LED_FUNCTION_WLAN;
+                       gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "phy0tpt";
+               };
+
+               // RALINK_REG_PIO7140DATA 42-40
+               led_firmware: firmware {
+                       label = "green:firmware";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
+                       // default-state = "keep";
+               };
+
+               // RALINK_REG_PIO7140DATA 41-40
+               led_vpn: vpn {
+                       label = "green:vpn";
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio2 1 GPIO_ACTIVE_LOW>;
+               };
+       };
+};
+
+&gdma {
+       status = "okay";
+};
+
+// Vendor firmware: RALINK_REG_PIO7140 - gpio0: gpio@600
+// Vendor firmware: RALINK_REG_PIO3924 - gpio1: gpio@638
+// Vendor firmware: RALINK_REG_PIO7140 - gpio2: gpio@660
+// Vendor firmware: RALINK_REG_PIO72   - gpio3: gpio@688
+
+&gpio1 {
+       status = "okay";
+};
+
+&gpio2 {
+       status = "okay";
+};
+
+&spi0 {
+       status = "okay";
+
+       flash@0 {
+               compatible = "jedec,spi-nor";
+               reg = <0>;
+               spi-max-frequency = <10000000>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       // Vendor partitions:
+                       // 0x000000000000-0x000000030000 : "Bootloader"
+                       // 0x000000030000-0x000000040000 : "Config"
+                       // 0x000000040000-0x000000050000 : "Factory"
+                       // 0x000000050000-0x000000070000 : "Cimage"
+                       // 0x000000070000-0x000000fe0000 : "Uimage"
+                       // 0x000000070000-0x000000190000 : "Kernel"
+                       // 0x000000190000-0x000000fe0000 : "RootFS"
+                       // 0x000000fe0000-0x000001000000 : "FreeSpace"
+
+                       // Bootloader
+                       partition@0 {
+                               label = "u-boot";
+                               reg = <0x0 0x30000>;
+                               read-only;
+                       };
+
+                       // Config
+                       partition@30000 {
+                               label = "u-boot-env";
+                               reg = <0x30000 0x10000>;
+                               read-only;
+                       };
+
+                       // Factory
+                       factory: partition@40000 {
+                               label = "factory";
+                               reg = <0x40000 0x10000>;
+                               read-only;
+                       };
+
+                       // Cimage
+                       partition@50000 {
+                               label = "cimage";
+                               reg = <0x50000 0x20000>;
+                               read-only;
+                       };
+
+                       partition@70000 {
+                               compatible = "openwrt,uimage", "denx,uimage";
+                               openwrt,offset = <FW_EDIMAX_OFFSET>;
+                               openwrt,partition-magic = <FW_MAGIC_EDIMAX>;
+                               label = "firmware";
+                               reg = <0x00070000 0x00f70000>;
+                       };
+
+                       // FreeSpace
+                       partition@fe0000 {
+                               label = "freespace";
+                               reg = <0xfe0000 0x20000>;
+                               read-only;
+                       };
+               };
+       };
+};
+
+&state_default {
+       gpio {
+               // TODO: "spi refclk"?
+               groups = "i2c", "uartf", "rgmii1", "rgmii2", "ephy", "wled", "nd_sd";
+               function = "gpio";
+       };
+};
+
+&ethernet {
+       nvmem-cells = <&macaddr_factory_2e>;
+       nvmem-cell-names = "mac-address";
+
+       mediatek,portmap = "llllw";
+};
+
+&wmac {
+       ralink,mtd-eeprom = <&factory 0x0>;
+};
+
+&pcie {
+       status = "okay";
+};
+
+&pcie0 {
+       wifi@0,0 {
+               reg = <0x0000 0 0 0 0>;
+               mediatek,mtd-eeprom = <&factory 0x8000>;
+               ieee80211-freq-limit = <5000000 6000000>;
+       };
+};
+
+&factory {
+       compatible = "nvmem-cells";
+       #address-cells = <1>;
+       #size-cells = <1>;
+
+       macaddr_factory_4: macaddr@4 {
+               reg = <0x4 0x6>;
+       };
+
+       macaddr_factory_2e: macaddr@2e {
+               reg = <0x2e 0x6>;
+       };
+};

diff --git a/target/linux/ramips/image/mt7620.mk b/target/linux/ramips/image/mt7620.mk
index bb06e0d6c82ddd04f7ffbae296c09eb45e4ae58f..cd7aea7388555c20dc55e7728526dfde48dfd9f6 100644 (file)
--- a/target/linux/ramips/image/mt7620.mk
+++ b/target/linux/ramips/image/mt7620.mk
@@ -380,6 +380,22 @@ define Device/dovado_tiny-ac
 endef
 TARGET_DEVICES += dovado_tiny-ac
 
+define Device/edimax_br-6208ac-v2
+  SOC := mt7620a
+  DEVICE_VENDOR := Edimax
+  DEVICE_MODEL := BR-6208AC
+  DEVICE_VARIANT := V2
+  BLOCKSIZE := 64k
+  IMAGE_SIZE := 7744k
+  IMAGE/sysupgrade.bin := append-kernel | append-rootfs | \
+       edimax-header -s CSYS -m RN71 -f 0x70000 -S 0x01100000 | pad-rootfs | \
+       check-size | append-metadata
+  DEVICE_PACKAGES := kmod-mt76x2 kmod-mt76x0e kmod-phy-realtek \
+       kmod-usb2 kmod-usb-ohci kmod-usb-ledtrig-usbport \
+       uboot-envtools
+endef
+TARGET_DEVICES += edimax_br-6208ac-v2
+
 define Device/edimax_br-6478ac-v2
   SOC := mt7620a
   DEVICE_VENDOR := Edimax

diff --git a/target/linux/ramips/mt7620/base-files/etc/board.d/01_leds b/target/linux/ramips/mt7620/base-files/etc/board.d/01_leds
index 6a097ab8e3dc1d9934765f9303ff91175be1e599..af2f574aeffcd6153876d2f7cb8a287055f114be 100644 (file)
--- a/target/linux/ramips/mt7620/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/mt7620/base-files/etc/board.d/01_leds
@@ -98,6 +98,13 @@ domywifi,dw22d)
 dovado,tiny-ac)
        ucidef_set_led_netdev "wifi_led" "wifi" "orange:wifi" "wlan0"
        ;;
+edimax,br-6208ac-v2)
+       ucidef_set_led_netdev "wan" "Internet" "green:internet" "eth0.2" "tx rx"
+       ucidef_set_led_netdev "wifi_led" "WLAN 2.4 GHz" "green:wlan2g" "wlan1"
+       ucidef_set_led_netdev "wifi_led" "WLAN 5 GHz" "green:wlan5g" "wlan1"
+       ucidef_set_led_netdev "wifi_led" "Firmware" "green:firmware" "wlan1"
+       ucidef_set_led_netdev "lan" "VPN" "green:vpn" "switch0" "0x20"
+       ;;
 edimax,br-6478ac-v2|\
 edimax,ew-7478apc)
        ucidef_set_led_netdev "wifi_led" "wifi" "blue:wlan" "wlan0"

diff --git a/target/linux/ramips/mt7620/base-files/etc/board.d/02_network b/target/linux/ramips/mt7620/base-files/etc/board.d/02_network
index e571dc1f6f5fea124f7314a3264770f91f7a9218..005b7212cb94e816564a17402b890de902d2e0b3 100644 (file)
--- a/target/linux/ramips/mt7620/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7620/base-files/etc/board.d/02_network
@@ -142,6 +142,10 @@ ramips_setup_interfaces()
                        "5:lan" "6@eth0"
                ucidef_add_switch_attr "switch1" "enable" "false"
                ;;
+       edimax,br-6208ac-v2)
+               ucidef_add_switch "switch0" \
+                       "1:lan:3" "2:lan:2" "3:lan:1" "4:wan" "6@eth0"
+               ;;
        edimax,br-6478ac-v2|\
        lb-link,bl-w1200|\
        tplink,archer-c2-v1)
@@ -273,6 +277,7 @@ ramips_setup_macs()
        asus,rt-n12p|\
        asus,rt-n14u|\
        bdcom,wap2100-sk|\
+       edimax,br-6208ac-v2|\
        edimax,ew-7478apc|\
        fon,fon2601|\
        head-weblink,hdrm200|\