You can flash via tftp recovery:
- serve tftp-recovery image as /tp_recovery.bin on 192.168.0.225/24
- connect to any ethernet port
- power on the device while holding the reset button
- wait at least 8 seconds before releasing reset button
Flashing via OEM web interface does not work.
LTE module does not support DHCP so it must be configured via QMI.
Hardware Specification (v4.0 EU):
- SoC: MT7628NN
- Flash: Winbond W25Q64JVS (8MiB)
- RAM: ESMT M14D5121632A (64MiB)
- Wireless: SoC platform only (2.4GHz b/g/n, 2x internal antenna)
- Ethernet: 1NIC (4x100M)
- WWAN: TP-LINK LTE MODULE (2x external detachable antenna)
- Power: DC 9V 0.85A
Signed-off-by: Filip Moc <l...@moc6.cz>
---
Notes:
Bugs:
This device is affected by first uqmi command hang.
This causes qmi proto to hang sometimes when setting up wwan connection
for
the first time after boot.
There is already a patch [1] which aims to fix this.
So far it can be manually restarted or workarounded by editing qmi.sh [2].
There are also some other issues with LTE module which are addressed by
preceding patches.
[1]
https://patchwork.ozlabs.org/project/openwrt/patch/20191107115408.13013-1-zefir.kurt...@neratec.com/
[2] https://forum.openwrt.org/t/solved-lte-qmi-troubles/28379
.../dts/mt7628an_tplink_tl-mr6400-v4.dts | 97 +++++++++++++++++++
target/linux/ramips/image/mt76x8.mk | 16 +++
.../mt76x8/base-files/etc/board.d/01_leds | 5 +
.../mt76x8/base-files/etc/board.d/02_network | 4 +
4 files changed, 122 insertions(+)
create mode 100644 target/linux/ramips/dts/mt7628an_tplink_tl-mr6400-v4.dts
diff --git a/target/linux/ramips/dts/mt7628an_tplink_tl-mr6400-v4.dts
b/target/linux/ramips/dts/mt7628an_tplink_tl-mr6400-v4.dts
new file mode 100644
index 0000000000..9dc71ffd9e
--- /dev/null
+++ b/target/linux/ramips/dts/mt7628an_tplink_tl-mr6400-v4.dts
@@ -0,0 +1,97 @@
+#include "mt7628an_tplink_8m.dtsi"
+
+/ {
+ compatible = "tplink,tl-mr6400-v4", "mediatek,mt7628an-soc";
+ model = "TP-Link TL-MR6400 v4";
+
+ aliases {
+ led-boot = &led_power;
+ led-failsafe = &led_power;
+ led-running = &led_power;
+ led-upgrade = &led_power;
+ };
+
+ keys {
+ compatible = "gpio-keys";
+
+ reset {
+ label = "reset";
+ gpios = <&gpio 38 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RESTART>;
+ };
+
+ rfkill {
+ label = "rfkill";
+ gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RFKILL>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led_power: power {
+ label = "white:power";
+ gpios = <&gpio 37 GPIO_ACTIVE_LOW>;
+ };
+
+ wan {
+ label = "white:wan";
+ gpios = <&gpio 39 GPIO_ACTIVE_LOW>;
+ };
+
+ wlan {
+ label = "white:wlan";
+ gpios = <&gpio 40 GPIO_ACTIVE_LOW>;
+ };
+
+ lan {
+ label = "white:lan";
+ gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
+ };
+
+ signal1 {
+ label = "white:signal1";
+ gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
+ };
+
+ signal2 {
+ label = "white:signal2";
+ gpios = <&gpio 43 GPIO_ACTIVE_LOW>;
+ };
+
+ signal3 {
+ label = "white:signal3";
+ gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&ehci {
+ status = "okay";
+};
+
+&ohci {
+ status = "okay";
+};
+
+&state_default {
+ gpio {
+ groups = "p0led_an", "p1led_an", "p2led_an", "p3led_an",
"p4led_an", "refclk", "uart1", "wdt", "wled_an";
+ function = "gpio";
+ };
+};
+
+&esw {
+ mediatek,portmap = <0x2f>;
+ mediatek,portdisable = <0x21>;
+};
+
+
+&wmac {
+ mtd-mac-address = <&factory 0x1f100>;
+};
+
+ðernet {
+ mtd-mac-address = <&factory 0x1f100>;
+};
diff --git a/target/linux/ramips/image/mt76x8.mk
b/target/linux/ramips/image/mt76x8.mk
index 6327c95bb0..f3b25bf189 100644
--- a/target/linux/ramips/image/mt76x8.mk
+++ b/target/linux/ramips/image/mt76x8.mk
@@ -473,6 +473,22 @@ define Device/tplink_tl-mr3420-v5
endef
TARGET_DEVICES += tplink_tl-mr3420-v5
+define Device/tplink_tl-mr6400-v4
+ $(Device/tplink-v2)
+ IMAGE_SIZE := 7808k
+ DEVICE_MODEL := TL-MR6400
+ DEVICE_VARIANT := v4
+ TPLINK_FLASHLAYOUT := 8Mmtk
+ TPLINK_HWID := 0x64000004
+ TPLINK_HWREV := 0x4
+ TPLINK_HWREVADD := 0x4
+ DEVICE_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-usb-ledtrig-usbport \
+ kmod-usb-serial kmod-usb-serial-option kmod-usb-net-qmi-wwan uqmi
+ IMAGES := sysupgrade.bin tftp-recovery.bin
+ IMAGE/tftp-recovery.bin := pad-extra 128k | $$(IMAGE/factory.bin)
+endef
+TARGET_DEVICES += tplink_tl-mr6400-v4
+
define Device/tplink_tl-wa801nd-v5
$(Device/tplink-v2)
IMAGE_SIZE := 7808k
diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
b/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
index e1c3454237..5475052833 100755
--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
@@ -75,6 +75,11 @@ tplink,tl-wr842n-v5)
ucidef_set_led_switch "lan" "lan" "green:lan" "switch0" "0x1e"
ucidef_set_led_switch "wan" "wan" "green:wan" "switch0" "0x01"
;;
+tplink,tl-mr6400-v4)
+ ucidef_set_led_wlan "wlan2g" "wlan2g" "white:wlan" "phy0tpt"
+ ucidef_set_led_switch "lan" "lan" "white:lan" "switch0" "0x0e"
+ ucidef_set_led_switch "wan" "wan" "white:wan" "switch0" "0x10"
+ ;;
tplink,tl-wr841n-v13)
ucidef_set_led_wlan "wlan2g" "wlan2g" "green:wlan" "phy0tpt"
ucidef_set_led_switch "lan1" "lan1" "green:lan1" "switch0" "0x2"
diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
index 2cda818b2a..9ed0b967f5 100755
--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
@@ -82,6 +82,10 @@ ramips_setup_interfaces()
ucidef_add_switch "switch0" \
"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "6@eth0"
;;
+ tplink,tl-mr6400-v4)
+ ucidef_add_switch "switch0" \
+ "1:lan" "2:lan" "3:lan" "4:wan" "6@eth0"
+ ;;
hiwifi,hc5761a)
ucidef_add_switch "switch0" \
"0:lan" "1:lan" "4:wan" "6@eth0"
--
2.28.0
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