[OpenWrt-Devel] [PATCH] ath79: add support for TP-Link TL-MR6400

Enrico Mioso mrkiko.rs at gmail.com
Mon Sep 16 20:20:48 EDT 2019


This adds support to the ath79 target for the TP-Link MR6400 router.

As per original commit, hardware specifications (v1.0 EU):
- SoC: QCA9531
- Flash: Winbond W25Q64FV (8MiB)
- RAM: EtronTech EM6AB160TSE-5G (64MiB)
- Wireless: SoC platform only (2.4GHz b/g/n, 2x internal antenna)
- Ethernet: 2NIC (3x100M + 1x100M)
- WWAN: TP-LINK LTE MODULE (2x external detachable antenna)
- Power: DC 12V 1A

Flashing instructions:
You can flash via tftp recovery (serve factory image as /mr6400_tp_recovery.bin
on 192.168.0.66/24, connect to any ethernet port and power on device while
holding the reset button). Flashing via OEM web interface does not work.

Working:
- Wi-Fi
- TP-Link LTE module does it's thing (but see Notes)
- reset/rfkill keys
Untested:
- recovery via factory
- leds

Issues for which I need help:
eth1 detects link when infact it's not there, and occasionally causes kernel traces due to tx timeouts.
I promise I'll test untested items as well in final version

Note: as it happened occasionally in ar71xx, during bursty flash activity, LTE module init will fail, with USB enumeration errors.

Signed-off-by: Enrico Mioso <mrkiko.rs at gmail.com>
CC: Filip Moc <lede at moc6.cz>
CC: Piotr Dymacz <pepe2k at gmail.com>
---
 .../ath79/base-files/etc/board.d/01_leds      |   6 +
 .../ath79/base-files/etc/board.d/02_network   |   5 +
 .../ath79/dts/qca9531_tplink_tl-mr6400-v1.dts | 165 ++++++++++++++++++
 target/linux/ath79/image/generic-tp-link.mk   |  10 ++
 4 files changed, 186 insertions(+)
 create mode 100644 target/linux/ath79/dts/qca9531_tplink_tl-mr6400-v1.dts

diff --git a/target/linux/ath79/base-files/etc/board.d/01_leds b/target/linux/ath79/base-files/etc/board.d/01_leds
index 778316e450..5728aeb491 100755
--- a/target/linux/ath79/base-files/etc/board.d/01_leds
+++ b/target/linux/ath79/base-files/etc/board.d/01_leds
@@ -130,6 +130,12 @@ tplink,archer-c7-v5)
 	ucidef_set_led_switch "lan3" "LAN3" "tp-link:green:lan3" "switch0" "0x10"
 	ucidef_set_led_switch "lan4" "LAN4" "tp-link:green:lan4" "switch0" "0x20"
 	;;
+tplink,tl-mr6400-v1)
+	ucidef_set_led_netdev "lan" "LAN" "tp-link:white:lan" "eth0"
+	ucidef_set_led_netdev "wan" "WAN" "tp-link:white:wan" "eth1"
+	ucidef_set_led_netdev "4g" "4G" "tp-link:white:4g" "usb0"
+	ucidef_set_led_wlan "wlan" "WLAN" "tp-link:white:wlan" "phy0tpt"
+	;;
 tplink,archer-c2-v3|\
 tplink,tl-wr1043nd-v4|\
 tplink,tl-wr1043n-v5)
diff --git a/target/linux/ath79/base-files/etc/board.d/02_network b/target/linux/ath79/base-files/etc/board.d/02_network
index 5b47af8ef7..2b0e1ce400 100755
--- a/target/linux/ath79/base-files/etc/board.d/02_network
+++ b/target/linux/ath79/base-files/etc/board.d/02_network
@@ -56,6 +56,11 @@ ath79_setup_interfaces()
 	winchannel,wb2000)
 		ucidef_set_interface_lan "eth0"
 		;;
+	tplink,tl-mr6400-v1)
+		ucidef_set_interfaces_lan_wan "eth0.1 eth1" "usb0"
+		ucidef_add_switch "switch0" \
+			"0 at eth0" "1:lan" "2:lan" "3:lan"
+		;;
 	avm,fritz4020|\
 	pcs,cr3000|\
 	tplink,archer-c58-v1|\
diff --git a/target/linux/ath79/dts/qca9531_tplink_tl-mr6400-v1.dts b/target/linux/ath79/dts/qca9531_tplink_tl-mr6400-v1.dts
new file mode 100644
index 0000000000..4acb1a02a4
--- /dev/null
+++ b/target/linux/ath79/dts/qca9531_tplink_tl-mr6400-v1.dts
@@ -0,0 +1,165 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "qca953x.dtsi"
+
+/ {
+	compatible = "tplink,tl-mr6400-v1", "qca,qca9531";
+	model = "TP-Link TL-MR6400 v1.0";
+
+	aliases {
+		led-boot = &led_power;
+		led-failsafe = &led_power;
+		led-running = &led_power;
+		led-upgrade = &led_power;
+	};
+
+	gpio_leds: leds {
+		compatible = "gpio-leds";
+
+		/* D12 */
+		led_wan: wan {
+			label = "tp-link:white:wan";
+			gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
+		};
+
+		/* D11 */
+		led_4g: 4g {
+			label = "tp-link:white:4g";
+			gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
+		};
+
+		/* D5 */
+		led_wps: wps {
+			label = "tp-link:white:wps";
+			gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
+		};
+
+		/* D3 */
+		led_wlan: wlan {
+			label = "tp-link:white:wlan";
+			gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
+		};
+
+		/* D2 */
+		led_power: power {
+			label = "tp-link:white:power";
+			gpios = <&gpio 13 GPIO_ACTIVE_HIGH>;
+		};
+
+		/* D4 */
+		led_lan: lan {
+			label = "tp-link:white:lan";
+			gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	gpio-export {
+		compatible = "gpio-export";
+		#size-cells = <0>;
+
+		gpio_usb_power {
+			gpio-export,name = "tp-link:power:LTE";
+			gpio-export,output = <0>;
+			gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		/* SW2 */
+		reset {
+			label = "Reset button";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+
+		/* SW3 */
+		rfkill {
+			label = "RFKill button";
+			linux,code = <KEY_RFKILL>;
+			gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+	};
+};
+
+&uart {
+	status = "okay";
+};
+
+&spi {
+	status = "okay";
+	num-cs = <1>;
+
+	flash at 0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			uboot:	partition at 0 {
+				label = "u-boot";
+				reg = <0x000000 0x020000>;
+				read-only;
+			};
+
+			partition at 20000 {
+				compatible = "tplink,firmware";
+				label = "firmware";
+				reg = <0x020000 0x7d0000>;
+			};
+
+			art: partition at 7f0000 {
+				label = "art";
+				reg = <0x7f0000 0x010000>;
+				read-only;
+			};
+		};
+	};
+};
+
+&eth1 {
+	mtd-mac-address = <&uboot 0x1fc00>;
+	mtd-mac-address-increment = <(-1)>;
+};
+
+&eth0 {
+	status = "okay";
+	phy-handle = <&swphy4>;
+
+	mtd-mac-address = <&uboot 0x1fc00>;
+	mtd-mac-address-increment = <1>;
+};
+
+&wmac {
+	status = "okay";
+	mtd-cal-data = <&art 0x1000>;
+	mtd-mac-address = <&uboot 0x1fc00>;
+};
+
+&usb0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	hub_port: port at 1 {
+		reg = <1>;
+		#trigger-source-cells = <0>;
+	};
+};
+
+&usb_phy {
+	status = "okay";
+};
diff --git a/target/linux/ath79/image/generic-tp-link.mk b/target/linux/ath79/image/generic-tp-link.mk
index 5519e9c960..78d7810f29 100644
--- a/target/linux/ath79/image/generic-tp-link.mk
+++ b/target/linux/ath79/image/generic-tp-link.mk
@@ -393,6 +393,16 @@ define Device/tplink_tl-wr810n-v1
 endef
 TARGET_DEVICES += tplink_tl-wr810n-v1
 
+define Device/tplink_tl-mr6400-v1
+  $(Device/tplink-8mlzma)
+  ATH_SOC := qca9531
+  DEVICE_MODEL := TL-MR6400
+  DEVICE_VARIANT := v1
+  TPLINK_HWID := 0x64000001
+  DEVICE_PACKAGES := kmod-usb-core kmod-usb2 kmod-usb-net kmod-usb-net-rndis kmod-usb-serial kmod-usb-serial-option adb
+endef
+TARGET_DEVICES += tplink_tl-mr6400-v1
+
 define Device/tplink_tl-wr810n-v2
   $(Device/tplink-8mlzma)
   ATH_SOC := qca9533
-- 
2.23.0


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