[PATCH] Adds support for Comfast CF-E538AC

Sven Danner Sven314 at gmx.net
Wed Nov 11 00:04:51 EST 2020


    Comfast CF-E538AC is an wall mounted access point with an
    additional Ethernet LAN access port. It supports
    802.11AC Wave2 MU-MIMO

    Serial port access for debricking requires simple soldering of 4 pins.

    Device specifications:
    * SoC: MT7620DA @ 580MHz
    * RAM: 64MiB DDR2
    * Flash: 8iB SPI
    * Wireless 2.4GHz (SoC): b/g/n
    * Wireless 5Ghz (MT7612E): n/ac, 2x2 MU-MINO
    * Ethernet (RTL8211F): 1× 1GbE, 802.3af PoE
    * Ethernet (RTL8211F): 1× 1GbE

    Flashing instructions:
    * Upgrade using web interface

    Debricking:
    * Serial port can be soldered on top PCB (marked as 1)
      (1: VCC, 2: GND, 3: TX, 4: RX)
        * Use 3.3V, 115200 baud, 8n1
    * Recovery only possible via TFTP
    * Modified U-Boot environment does not allow recovery via serial
      (will not commit it to flash)
    * Bootloader will show a menu for 1 seconds
    * Select 2: Load system code then write to Flash via TFTP.
---
 .../ramips/base-files/etc/board.d/01_leds     |   3 +
 .../ramips/base-files/etc/board.d/02_network  |   9 +
 target/linux/ramips/base-files/lib/ramips.sh  |   3 +
 target/linux/ramips/dts/CF-E538AC.dts         | 161 ++++++++++++++++++
 target/linux/ramips/image/mt7620.mk           |   7 +
 5 files changed, 183 insertions(+)
 create mode 100644 target/linux/ramips/dts/CF-E538AC.dts

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 5c005db0c1..16c012d827 100755
--- a/target/linux/ramips/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/base-files/etc/board.d/01_leds
@@ -88,6 +88,9 @@ c50)
 	ucidef_set_led_switch "lan" "lan" "$boardname:green:lan" "switch0" "0x1e"
 	ucidef_set_led_switch "wan" "wan" "$boardname:green:wan" "switch0" "0x01"
 	;;
+cf-e538ac)
+	set_wifi_led "$boardname:white:wifi"
+	;;
 cf-wr800n)
 	ucidef_set_led_netdev "lan" "lan" "$boardname:white:ethernet" eth0.1
 	set_wifi_led "$boardname:white:wifi"
diff --git a/target/linux/ramips/base-files/etc/board.d/02_network b/target/linux/ramips/base-files/etc/board.d/02_network
index 8ca1831afe..637a4fd6a1 100755
--- a/target/linux/ramips/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/base-files/etc/board.d/02_network
@@ -310,6 +310,11 @@ ramips_setup_interfaces()
 		ucidef_add_switch "switch0" \
 			"4:lan" "6t at eth0"
 		;;
+	cf-e538ac)
+		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
+		ucidef_add_switch "switch0" \
+			"4:wan" "5:lan" "6 at eth0"
+		;;
 	cudy,wr1000)
 		ucidef_add_switch "switch0" \
 			"2:lan:2" "3:lan:1" "4:wan" "6 at eth0"
@@ -548,6 +553,10 @@ ramips_setup_macs()
 		lan_mac=$(cat /sys/class/net/eth0/address)
 		wan_mac=$(mtd_get_mac_binary devdata 7)
 		;;
+	cf-e538ac)
+		lan_mac=$(mtd_get_mac_binary factory 57344)
+		wan_mac=$(macaddr_add "$lan_mac" 1)
+		;;
 	cy-swr1100|\
 	dir-645)
 		lan_mac=$(mtd_get_mac_ascii nvram lanmac)
diff --git a/target/linux/ramips/base-files/lib/ramips.sh b/target/linux/ramips/base-files/lib/ramips.sh
index 093303892c..5e9b8fdb09 100755
--- a/target/linux/ramips/base-files/lib/ramips.sh
+++ b/target/linux/ramips/base-files/lib/ramips.sh
@@ -97,6 +97,9 @@ ramips_board_detect() {
 	*"CF-WR800N")
 		name="cf-wr800n"
 		;;
+	*"CF-E538AC")
+		name="cf-e538ac"
+		;;
 	*"CS-QR10")
 		name="cs-qr10"
 		;;
diff --git a/target/linux/ramips/dts/CF-E538AC.dts b/target/linux/ramips/dts/CF-E538AC.dts
new file mode 100644
index 0000000000..9a2504203b
--- /dev/null
+++ b/target/linux/ramips/dts/CF-E538AC.dts
@@ -0,0 +1,161 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "mt7620a.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "comfast,cf-e538ac", "ralink,mt7620n-soc";
+	model = "Comfast CF-E538AC";
+
+	aliases {
+		led-boot = &led_wifi;
+		led-failsafe = &led_wifi;
+		led-running = &led_wifi;
+		led-upgrade = &led_wifi;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_wifi: wifi {
+			label = "cf-e538ac:white:wifi";
+			gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	keys {
+		compatible = "gpio-keys-polled";
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio2 {
+	status = "okay";
+};
+
+&gpio3 {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+
+	m25p80 at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <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 {
+				compatible = "denx,uimage";
+				label = "firmware";
+				reg = <0x50000 0x7b0000>;
+			};
+		};
+	};
+};
+
+&ethernet {
+	status = "okay";
+	pinctrl-names = "default";
+	mtd-mac-address = < 0x09 0xe000 >;
+	pinctrl-0 = <&rgmii1_pins &rgmii2_pins &mdio_pins>;
+	mediatek,portmap = "llllw";
+
+	port at 4 {
+		status = "okay";
+		phy-mode = "rgmii";
+		phy-handle = <&phy4>;
+	};
+
+	port at 5 {
+		status = "okay";
+		phy-mode = "rgmii";
+		phy-handle = <&phy5>;
+	};
+
+	mdio-bus {
+		status = "okay";
+
+		phy4: ethernet-phy at 4 {
+			reg = < 0x04 >;
+			phy-mode = "rgmii";
+		};
+
+		phy5: ethernet-phy at 5 {
+			reg = < 0x05 >;
+			phy-mode = "rgmii";
+		};
+	};
+};
+
+&gsw  {
+		mediatek,port4 = "gmac";
+};
+
+&wmac {
+	ralink,mtd-eeprom = <&factory 0>;
+	reg = < 0x10180000 0x9c40 >;
+};
+
+
+&pcie {
+		status = "okay";
+};
+
+&pinctrl {
+	state_default: pinctrl0 {
+		gpio {
+			ralink,group = "uartf", "nd_sd", "wled";
+			ralink,function = "gpio";
+		};
+	};
+};
+
+&pcie0 {
+	mt76 at 0,0 {
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+	};
+};
diff --git a/target/linux/ramips/image/mt7620.mk b/target/linux/ramips/image/mt7620.mk
index 89723fbb52..d16704a55e 100644
--- a/target/linux/ramips/image/mt7620.mk
+++ b/target/linux/ramips/image/mt7620.mk
@@ -155,6 +155,13 @@ define Device/cf-wr800n
 endef
 TARGET_DEVICES += cf-wr800n
 
+define Device/cf-e538ac
+  DTS := CF-E538AC
+  DEVICE_TITLE := Comfast CF-E538AC
+  DEVICE_PACKAGES := kmod-mt76x2
+endef
+TARGET_DEVICES += cf-e538ac
+
 define Device/cs-qr10
   DTS := CS-QR10
   DEVICE_TITLE := Planex CS-QR10
-- 
2.20.1





More information about the openwrt-devel mailing list