[OpenWrt-Devel] [PATCH] Support for Edimax EW-7476RPC / EW-7478AC

Birger Koblitz mail at birger-koblitz.de
Mon May 27 08:55:24 PDT 2019


ramips: add Netgear EW-7476RPC

SoC:   MediaTek MT7620a @ 580MHz
RAM:   64M (Winbond W9751G6KB-25)
FLASH: 8MB (Macronix)
WiFi:  SoC-integrated: MediaTek MT76620a bgn
WiFi:  MediaTek MT7612EN nac
GBE:   RTL8211E
BTN:   WPS - RFKILL/RF 50%/RF 100% toggle
LED:    - Wifi 5g (blue)
        - Wifi 2g (blue)
        - Crossband (green)
        - Power (green)
        - WPS (green)
        - LAN (Green)
UART:  UART is present as Pads with throughholes on the PCB. They are
       located next to the switch for the wifi configuration
       3.3V - RX - GND - TX / 57600-8N1
       3.3V is the square pad

Installation
------------
Update the factory image via the web-interfaces (by default:
192.168.9.2/24).
http://192.168.9.2/index.asp

ramips: add Netgear EW-7478AC

SoC:   MediaTek MT7620a @ 580MHz
RAM:   64M (Winbond W9751G6KB-25)
FLASH: 8MB (Macronix)
WiFi:  SoC-integrated: MediaTek MT76620a bgn
WiFi:  MediaTek MT7612EN nac
GBE:   RTL8211E
BTN:   WPS - RFKILL/RF 50%/RF 100% toggle
LED:    - Wifi 5g (blue)
        - Wifi 2g (blue)
        - Crossband (green)
        - Power (green)
        - WPS (green)
        - LAN (Green)
UART:  UART is present as Pads with throughholes on the PCB. They are
       located next to the switch for the wifi configuration
       3.3V - RX - GND - TX / 57600-8N1
       3.3V is the square pad

Installation
------------
Update the factory image via the web-interfaces (by default:
http://edimaxext.setup)
Or push wpa button on power on and send firmware via tftp to 192.168.1.6

The EW-7478AC is identical to the EW-7476RPC, except instead of 2 internal
antennas it has 2 external ones.


diff --git a/target/linux/ramips/base-files/etc/board.d/01_leds
b/target/linux/ramips/base-files/etc/board.d/01_leds
index b55ca0413e..78e93b557b 100755
--- a/target/linux/ramips/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/base-files/etc/board.d/01_leds
@@ -146,6 +146,10 @@ dir-860l-b1)
 edimax,br-6478ac-v2)
        set_wifi_led "$boardname:blue:wlan"
        ;;
+edimax,ew-7476rpc|\
+edimax,ew-7478ac)
+        ucidef_set_led_switch "lan" "lan" "$boardname:green:lan" 
"switch0" "0x20"
+        ;;
 ex2700|\
 wn3000rpv3)
        set_wifi_led "$boardname:green:router"
diff --git a/target/linux/ramips/base-files/etc/board.d/02_network
b/target/linux/ramips/base-files/etc/board.d/02_network
index 2e56678cf5..bbdfe9b128 100755
--- a/target/linux/ramips/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/base-files/etc/board.d/02_network
@@ -50,6 +50,8 @@ ramips_setup_interfaces()
        broadway|\
        dcs-930|\
        dcs-930l-b1|\
+       edimax,ew-7476rpc|\
+       edimax,ew-7478ac|\
        ht-tm02|\
        kimax,u35wf|\
        linkits7688 | \
diff --git a/target/linux/ramips/dts/EW-7476RPC.dts
b/target/linux/ramips/dts/EW-7476RPC.dts
new file mode 100644
index 0000000000..7a1edf3e4d
--- /dev/null
+++ b/target/linux/ramips/dts/EW-7476RPC.dts
@@ -0,0 +1,238 @@
+/*
+ * Device Tree file for the Edimax EW-7476RPC
+ * based on Edimax BR-6478AC V2
+ *
+ * Copyright (C) 2016 Rohan Murch <rohan.murch at gmail.com>
+ * Copyright (C) 2016 Hans Ulli Kroll <ulli.kroll at googlemail.com>
+ * Copyright (C) 2017 James McKenzie <openwrt at madingley.org>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+
+ The following definitions were found in the orignal GPL firmware source
+ HW_LED_WIRELESS_ABAND_="71"
+ HW_LED_WIRELESS_GBAND_="70"
+ HW_LED_WIRELES_="69"
+ HW_LED_POWER_="67"
+ HW_LED_WPS_="68"
+ HW_LED_LAN_="66"
+ HW_BUTTON_APSWITCH_BUT_1_="62"
+ HW_BUTTON_APSWITCH_BUT_2_="63"
+ HW_BUTTON_RESET_="60"
+
+ The device does not have a reset button (but there are solder pads for
a button), WPS and reset are swapped.
+
+ */
+
+/dts-v1/;
+
+#include "mt7620a.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+       compatible = "edimax,ew-7476rpc", "ralink,mt7620a-soc";
+       model = "Edimax EW-7476RPC";
+
+       aliases {
+               led-boot = &led_power;
+               led-failsafe = &led_power;
+               led-running = &led_power;
+               led-upgrade = &led_power;
+       };
+
+       chosen {
+               bootargs = "console=ttyS0,57600";
+       };
+
+
+       keys {
+                compatible = "gpio-keys";
+
+                reset_wps {
+                        label = "reset_wps";
+                        gpios = <&gpio2 20 GPIO_ACTIVE_LOW>;
+                        linux,code = <KEY_RESTART>;
+                };
+               switch_high {
+                       label = "switch high";
+                       gpios = <&gpio2 22 GPIO_ACTIVE_LOW>;
+                       linux,code = <BTN_0>;
+                       linux,input-type = <EV_SW>;
+               };
+               switch_off {
+                       label = "switch off";
+                       gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
+                       linux,code = <BTN_1>;
+                       linux,input-type = <EV_SW>;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               led_power: power {
+                       label = "ew-7476rpc:green:power";
+                       gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
+               };
+               lan {
+                       label = "ew-7476rpc:green:lan";
+                       gpios = <&gpio2 26 GPIO_ACTIVE_LOW>;
+               };
+               wlan2g {
+                       label = "ew-7476rpc:blue:wlan2g";
+                       gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "phy1radio";
+               };
+               wlan5g {
+                       label = "ew-7476rpc:blue:wlan5g";
+                       gpios = <&gpio2 31 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "phy0radio";
+               };
+               wps {
+                       label = "ew-7476rpc:green:wps";
+                       gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
+               };
+               crossband {
+                       label = "ew-7476rpc:green:crossband";
+                       gpios = <&gpio2 29 GPIO_ACTIVE_LOW>;
+               };
+       };
+};
+
+
+&gpio2 {
+       status = "okay";
+};
+
+&spi0 {
+       status = "okay";
+
+       flash at 0 {
+               compatible = "jedec,spi-nor";
+               reg = <0 0>;
+               spi-max-frequency = <10000000>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition at 0 {
+                               label = "u-boot";
+                               reg = <0x0 0x30000>;
+                               read-only;
+                       };
+
+                       partition at 30000 {
+                               label = "u-boot-env";
+                               reg = <0x30000 0x10000>;
+                               read-only;
+                       };
+
+                       factory: partition at 40000 {
+                               label = "factory";
+                               reg = <0x40000 0x10000>;
+                               read-only;
+                       };
+
+                       partition at 50000 {
+                               label = "cimage";
+                               reg = <0x50000 0x20000>;
+                               read-only;
+                       };
+
+                       partition at 70000 {
+                               compatible = "edimax,uimage";
+                               label = "firmware";
+                               reg = <0x00070000 0x00790000>;
+                       };
+               };
+       };
+};
+
+&pinctrl {
+       state_default: pinctrl0 {
+               gpio {
+            // might need pin 39: ;
+                       ralink,group = "i2c", "uartf", "nd_sd",
"rgmii2", "spi refclk";
+                       ralink,function = "gpio";
+               };
+       };
+};
+
+
+&ethernet {
+
+    status = "okay";
+       mtd-mac-address = <&factory 0x4>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&rgmii1_pins &mdio_pins>;
+       mediatek,portmap = "l";
+    mediatek,mdio-mode = <1>;
+   
+       port at 5 {
+               status = "okay";
+               mediatek,fixed-link = <1000 1 1 1>;
+               phy-mode = "rgmii";
+       };
+
+       mdio-bus {
+               status = "okay";
+
+               phy0: ethernet-phy at 0 {
+                       status ="disabled";
+                       reg = <0>;
+                       phy-mode = "rgmii";
+               };
+
+               phy1: ethernet-phy at 1 {
+                       status = "disabled";
+                       reg = <1>;
+                       phy-mode = "rgmii";
+               };
+
+               phy2: ethernet-phy at 2 {
+                       status = "disabled";
+                       reg = <2>;
+                       phy-mode = "rgmii";
+               };
+
+               phy3: ethernet-phy at 3 {
+                       status = "disabled";
+                       reg = <3>;
+                       phy-mode = "rgmii";
+               };
+
+               phy4: ethernet-phy at 4 {
+                       status = "disabled";
+                       reg = <4>;
+                       phy-mode = "rgmii";
+               };
+       };
+};
+
+
+&gsw {
+       mediatek,port5 = "gmac";
+       mediatek,rtl8211e-reset = "yes";
+};
+
+
+&wmac {
+       ralink,mtd-eeprom = <&factory 0>;
+};
+
+&pcie {
+       status = "okay";
+};
+
+&pcie0 {
+       wifi at 0,0 {
+               reg = <0x0000 0 0 0 0>;
+               mediatek,mtd-eeprom = <&factory 0x8000>;
+               mediatek,2ghz = <0>;
+       };
+};
diff --git a/target/linux/ramips/dts/EW-7478AC.dts
b/target/linux/ramips/dts/EW-7478AC.dts
new file mode 100644
index 0000000000..ab1b284280
--- /dev/null
+++ b/target/linux/ramips/dts/EW-7478AC.dts
@@ -0,0 +1,241 @@
+/*
+ * Device Tree file for the Edimax EW-7478AC
+ * based on Edimax BR-6478AC V2
+ *
+ * Copyright (C) 2016 Rohan Murch <rohan.murch at gmail.com>
+ * Copyright (C) 2016 Hans Ulli Kroll <ulli.kroll at googlemail.com>
+ * Copyright (C) 2017 James McKenzie <openwrt at madingley.org>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+
+ The following definitions were found in the orignal GPL firmware source
+ HW_LED_WIRELESS_ABAND_="71"
+ HW_LED_WIRELESS_GBAND_="70"
+ HW_LED_WIRELES_="69"
+ HW_LED_POWER_="67"
+ HW_LED_WPS_="68"
+ HW_LED_LAN_="66"
+ HW_BUTTON_APSWITCH_BUT_1_="62"
+ HW_BUTTON_APSWITCH_BUT_2_="63"
+ HW_BUTTON_RESET_="60"
+
+ The device does not have a reset button (but there are solder pads for
a button), WPS and reset are swapped.
+
+ */
+
+/dts-v1/;
+
+#include "mt7620a.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+       compatible = "edimax,ew-7478ac", "ralink,mt7620a-soc";
+       model = "Edimax EW-7478ac";
+
+       aliases {
+               led-boot = &led_power;
+               led-failsafe = &led_power;
+               led-running = &led_power;
+               led-upgrade = &led_power;
+       };
+
+       chosen {
+               bootargs = "console=ttyS0,57600";
+       };
+
+
+       keys {
+                compatible = "gpio-keys";
+
+                reset_wps {
+                        label = "reset_wps";
+                        gpios = <&gpio2 20 GPIO_ACTIVE_LOW>;
+                        linux,code = <KEY_RESTART>;
+                };
+
+               switch_high {
+                       label = "switch high";
+                       gpios = <&gpio2 22 GPIO_ACTIVE_LOW>;
+                       linux,code = <BTN_0>;
+                       linux,input-type = <EV_SW>;
+               };
+
+               switch_off {
+                       label = "switch off";
+                       gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
+                       linux,code = <BTN_1>;
+                       linux,input-type = <EV_SW>;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               led_power: power {
+                       label = "ew-7478ac:green:power";
+                       gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
+               };
+               lan {
+                       label = "ew-7478ac:green:lan";
+                       gpios = <&gpio2 26 GPIO_ACTIVE_LOW>;
+               };
+               wlan2g {
+                       label = "ew-7478ac:blue:wlan2g";
+                       gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "phy1radio";
+               };
+               wlan5g {
+                       label = "ew-7478ac:blue:wlan5g";
+                       gpios = <&gpio2 31 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "phy0radio";
+               };
+               wps {
+                       label = "ew-7478ac:green:wps";
+                       gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
+               };
+
+               crossband {
+                       label = "ew-7478ac:green:crossband";
+                       gpios = <&gpio2 29 GPIO_ACTIVE_LOW>;
+               };
+       };
+};
+
+
+&gpio2 {
+       status = "okay";
+};
+
+&spi0 {
+       status = "okay";
+
+       flash at 0 {
+               compatible = "jedec,spi-nor";
+               reg = <0 0>;
+               spi-max-frequency = <10000000>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition at 0 {
+                               label = "u-boot";
+                               reg = <0x0 0x30000>;
+                               read-only;
+                       };
+
+                       partition at 30000 {
+                               label = "u-boot-env";
+                               reg = <0x30000 0x10000>;
+                               read-only;
+                       };
+
+                       factory: partition at 40000 {
+                               label = "factory";
+                               reg = <0x40000 0x10000>;
+                               read-only;
+                       };
+
+                       partition at 50000 {
+                               label = "cimage";
+                               reg = <0x50000 0x20000>;
+                               read-only;
+                       };
+
+                       partition at 70000 {
+                               compatible = "edimax,uimage";
+                               label = "firmware";
+                               reg = <0x00070000 0x00790000>;
+                       };
+               };
+       };
+};
+
+&pinctrl {
+       state_default: pinctrl0 {
+               gpio {
+            // might need pin 39: ;
+                       ralink,group = "i2c", "uartf", "nd_sd",
"rgmii2", "spi refclk";
+                       ralink,function = "gpio";
+               };
+       };
+};
+
+
+&ethernet {
+
+    status = "okay";
+       mtd-mac-address = <&factory 0x4>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&rgmii1_pins &mdio_pins>;
+       mediatek,portmap = "l";
+    mediatek,mdio-mode = <1>;
+   
+       port at 5 {
+               status = "okay";
+               mediatek,fixed-link = <1000 1 1 1>;
+               phy-mode = "rgmii";
+       };
+
+       mdio-bus {
+               status = "okay";
+
+               phy0: ethernet-phy at 0 {
+                       status ="disabled";
+                       reg = <0>;
+                       phy-mode = "rgmii";
+               };
+
+               phy1: ethernet-phy at 1 {
+                       status = "disabled";
+                       reg = <1>;
+                       phy-mode = "rgmii";
+               };
+
+               phy2: ethernet-phy at 2 {
+                       status = "disabled";
+                       reg = <2>;
+                       phy-mode = "rgmii";
+               };
+
+               phy3: ethernet-phy at 3 {
+                       status = "disabled";
+                       reg = <3>;
+                       phy-mode = "rgmii";
+               };
+
+               phy4: ethernet-phy at 4 {
+                       status = "disabled";
+                       reg = <4>;
+                       phy-mode = "rgmii";
+               };
+       };
+};
+
+
+&gsw {
+       mediatek,port5 = "gmac";
+       mediatek,rtl8211e-reset = "yes";
+};
+
+
+&wmac {
+       ralink,mtd-eeprom = <&factory 0>;
+};
+
+&pcie {
+       status = "okay";
+};
+
+&pcie0 {
+       wifi at 0,0 {
+               reg = <0x0000 0 0 0 0>;
+               mediatek,mtd-eeprom = <&factory 0x8000>;
+               mediatek,2ghz = <0>;
+       };
+};
diff --git
a/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c
b/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c
index 5fc5080aaf..305ce18037 100644
---
a/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c
+++
b/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c
@@ -84,6 +84,32 @@ static int mt7620_mdio_mode(struct device_node *eth_node)
        return ret;
 }
 
+void reset_realtek_phy(void){
+#define RALINK_GPIO_DIR        0xB0000600+0x4C
+#define RALINK_GPIO_DATA       0xB0000600+0x48
+#define RALINK_RESETPHY_GPIO       (39-24)
+    u32 gpiodir;
+    u32 piodata;
+    u32 reset_pin= RALINK_RESETPHY_GPIO;
+   
+    pr_info("gsw: Resetting RTL8211e using gpio 39\n");
+    gpiodir =  le32_to_cpu(*(volatile u32 *)(RALINK_GPIO_DIR));
+    /*set gpio1 to output*/
+    gpiodir |= (1<<reset_pin);
+    *(volatile u32 *)(RALINK_GPIO_DIR) = cpu_to_le32(gpiodir);
+
+    piodata = le32_to_cpu(*(volatile u32 *)(RALINK_GPIO_DATA));
+    /*set to low(0)*/
+    piodata &= ~(1L << reset_pin);
+    *(volatile u32 *)(RALINK_GPIO_DATA) = cpu_to_le32(piodata);
+    /*delay 30ms*/
+    mdelay(30);
+    /*set to high(1)*/
+    piodata |= (1L << reset_pin);
+    *(volatile u32 *)(RALINK_GPIO_DATA) = cpu_to_le32(piodata);
+}
+
+
 static void mt7620_hw_init(struct mt7620_gsw *gsw, int mdio_mode)
 {
        u32 i;
@@ -220,6 +246,7 @@ int mtk_gsw_init(struct fe_priv *priv)
        struct device_node *np = priv->switch_np;
        struct platform_device *pdev = of_find_device_by_node(np);
        struct mt7620_gsw *gsw;
+    const char *rtl8211e_reset = NULL;
 
        if (!pdev)
                return -ENODEV;
@@ -231,6 +258,9 @@ int mtk_gsw_init(struct fe_priv *priv)
        priv->soc->swpriv = gsw;
 
        mt7620_hw_init(gsw, mt7620_mdio_mode(priv->dev->of_node));
+    of_property_read_string(np, "mediatek,rtl8211e-reset",
&rtl8211e_reset);
+    if (rtl8211e_reset && !strcmp(rtl8211e_reset, "yes"))
+        reset_realtek_phy();
 
        if (gsw->irq) {
                request_irq(gsw->irq, gsw_interrupt_mt7620, 0,
diff --git a/target/linux/ramips/image/mt7620.mk
b/target/linux/ramips/image/mt7620.mk
index cf38aa2cb1..a7b14593c2 100644
--- a/target/linux/ramips/image/mt7620.mk
+++ b/target/linux/ramips/image/mt7620.mk
@@ -617,6 +617,32 @@ define Device/edimax_br-6478ac-v2
 endef
 TARGET_DEVICES += edimax_br-6478ac-v2
 
+define Device/edimax_ew-7476rpc
+  DTS := EW-7476RPC
+  DEVICE_TITLE := Edimax EW-7476RPC
+  BLOCKSIZE := 4k
+  IMAGE_SIZE := 7616k
+  IMAGE/sysupgrade.bin := append-kernel | append-rootfs | \
+        edimax-header -s CSYS -m RN79 -f 0x70000 -S 0x01100000 |
pad-rootfs | \
+        append-metadata | check-size $$$$(IMAGE_SIZE)
+  DEVICE_PACKAGES := kmod-mt76x2 kmod-phy-realtek
+endef
+TARGET_DEVICES += edimax_ew-7476rpc
+
+
+define Device/edimax_ew-7478ac
+  DTS := EW-7478AC
+  DEVICE_TITLE := Edimax EW-7478AC
+  BLOCKSIZE := 4k
+  IMAGE_SIZE := 7616k
+  IMAGE/sysupgrade.bin := append-kernel | append-rootfs | \
+        edimax-header -s CSYS -m RN70 -f 0x70000 -S 0x01100000 |
pad-rootfs | \
+        append-metadata | check-size $$$$(IMAGE_SIZE)
+  DEVICE_PACKAGES := kmod-mt76x2 kmod-phy-realtek
+endef
+TARGET_DEVICES += edimax_ew-7478ac
+
+
 define Device/tplink_c2-v1
   $(Device/Archer)
   DTS := ArcherC2-v1







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