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authorMaxim Anisimov <maxim.anisimov.ua@gmail.com>2019-12-18 09:52:44 +0300
committerAdrian Schmutzler <freifunk@adrianschmutzler.de>2020-01-09 17:33:57 +0100
commit86e7353bff2a5de257de8ec62e782f016eed143c (patch)
treea4a6c7ed13f39eeafa5cfdfc46a40a034543a2c0 /target
parent3a538db60abfc50b47ce1774f66d489700a50c00 (diff)
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ramips: add support for TP-Link Archer C20 v5
TP-Link Archer C20 v5 is a router with 5-port FE switch and non-detachable antennas. It's based on MediaTek MT7628N+MT7610EN. Specification: - MediaTek MT7628N/N (580 Mhz) - 64 MB of RAM - 8 MB of FLASH - 2T2R 2.4 GHz and 1T1R 5 GHz - 5x 10/100 Mbps Ethernet - 3x external, non-detachable antennas - UART (J1) header on PCB (115200 8n1) - 7x LED (GPIO-controlled*), 2x button, power input switch * WAN LED in this devices is a dual-color, dual-leads type which isn't (fully) supported by gpio-leds driver. This type of LED requires both GPIOs state change at the same time to select color or turn it off. For now, we support/use only the green part of the LED. Create Factory image -------------------- As all installation methods require a U-Boot to be integrated into the Image (and we do not ship one with the image) we are not able to create an image in the OpenWRT build-process. Download a TP-Link image from their Website and a OpenWRT sysupgrade image for the device and build yourself a factory image like following: TP-Link image: tpl.bin OpenWRT sysupgrade image: owrt.bin > dd if=tpl.bin of=boot.bin bs=131584 count=1 > cat owrt.bin >> boot.bin Installing via Web-UI --------------------- Upload the boot.bin via TP-Links firmware upgrade tool in the web-interface. Installing via Recovery ----------------------- Activate Web-Recovery by beginning the upgrade Process with a Firmware-Image from TP-Link. After starting the Firmware Upgrade, wait ~3 seconds (When update status is switching to 0%), then disconnect the power supply from the device. Upgrade flag (which activates Web-Recovery) is written before the OS-image is touched and removed after write is succesfull, so this procedure should be safe. Plug the power back in. It will come up in Recovery-Mode on 192.168.0.1. When active, all LEDs but the WPS LED are off. Remeber to assign yourself a static IP-address as DHCP is not active in this mode. The boot.bin can now be uploaded and flashed using the web-recovery. Installing via TFTP ------------------- Prepare an image like following (Filenames from factory image steps apply here) > dd if=/dev/zero of=tp_recovery.bin bs=196608 count=1 > dd if=tpl.bin of=tmp.bin bs=131584 count=1 > dd if=tmp.bin of=boot.bin bs=512 skip=1 > cat boot.bin >> tp_recovery.bin > cat owrt.bin >> tp_recovery.bin Place tp_recovery.bin in root directory of TFTP server and listen on 192.168.0.66/24. Connect router LAN ports with your computer and power up the router while pressing the reset button. The router will download the image via tftp and after ~1 Minute reboot into OpenWRT. U-Boot CLI ---------- U-Boot CLI can be activated by holding down '4' on bootup. Dual U-Boot ----------- This is TP-Link MediaTek device with a split-uboot feature design like a TP-Link Archer C50 v4. The first (factory-uboot) provides recovery via TFTP and HTTP, jumping straight into the second (firmware-uboot) if no recovery needs to be performed. The firmware-uboot unpacks and executed the kernel. Web-Recovery ------------ TP-Link integrated a new Web-Recovery like the one on the Archer C7v4 / TL-WR1043v5 / Archer C50v4. Stock-firmware sets a flag in the "romfile" partition before beginning to write and removes it afterwards. If the router boots with this flag set, bootloader will automatically start Web-recovery and listens on 192.168.0.1. This way, the vendor-firmware or an OpenWRT factory image can be written. By doing the same while performing sysupgrade, we can take advantage of the Web-recovery in OpenWRT. It is important to note that Web-Recovery is only based on this flag. It can't detect e.g. a crashing kernel or other means. Once activated it won't boot the OS before a recovery action (either via TFTP or HTTP) is performed. This recovery-mode is indicated by an illuminated WPS-LED on boot. Signed-off-by: Maxim Anisimov <maxim.anisimov.ua@gmail.com> [adjust some node names for LEDs in DTS] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Diffstat (limited to 'target')
-rw-r--r--target/linux/ramips/dts/mt7628an_tplink_archer-c20-v5.dts98
-rw-r--r--target/linux/ramips/image/mt76x8.mk15
-rwxr-xr-xtarget/linux/ramips/mt76x8/base-files/etc/board.d/01_leds3
-rwxr-xr-xtarget/linux/ramips/mt76x8/base-files/etc/board.d/02_network2
-rwxr-xr-xtarget/linux/ramips/mt76x8/base-files/lib/upgrade/platform.sh1
5 files changed, 118 insertions, 1 deletions
diff --git a/target/linux/ramips/dts/mt7628an_tplink_archer-c20-v5.dts b/target/linux/ramips/dts/mt7628an_tplink_archer-c20-v5.dts
new file mode 100644
index 0000000000..e01826841d
--- /dev/null
+++ b/target/linux/ramips/dts/mt7628an_tplink_archer-c20-v5.dts
@@ -0,0 +1,98 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "mt7628an_tplink_8m-split-uboot.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ compatible = "tplink,archer-c20-v5", "mediatek,mt7628an-soc";
+ model = "TP-Link Archer C20 v5";
+
+ 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 = <&gpio1 6 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RESTART>;
+ };
+
+ rfkill {
+ label = "rfkill";
+ gpios = <&gpio1 5 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RFKILL>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led_power: power {
+ label = "archer-c20-v5:green:power";
+ gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+ };
+
+ wlan2g {
+ label = "archer-c20-v5:green:wlan2g";
+ gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "phy0tpt";
+ };
+
+ wlan5g {
+ label = "archer-c20-v5:green:wlan5g";
+ gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "phy1tpt";
+ };
+
+ lan {
+ label = "archer-c20-v5:green:lan";
+ gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
+ };
+
+ wan_green {
+ label = "archer-c20-v5:green:wan";
+ gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+ };
+
+ wan_orange {
+ label = "archer-c20-v5:orange:wan";
+ gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
+ };
+
+ wps {
+ label = "archer-c20-v5:green:wps";
+ gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&state_default {
+ gpio {
+ ralink,group = "i2s", "gpio", "refclk", "p0led_an", "p1led_an",
+ "p2led_an", "p3led_an", "p4led_an", "wdt";
+ ralink,function = "gpio";
+ };
+};
+
+&pcie {
+ status = "okay";
+};
+
+&pcie0 {
+ wifi@0,0 {
+ reg = <0x0000 0 0 0 0>;
+ mediatek,mtd-eeprom = <&radio 0x8000>;
+ ieee80211-freq-limit = <5000000 6000000>;
+ mtd-mac-address = <&rom 0xf100>;
+ mtd-mac-address-increment = <(-1)>;
+ };
+};
diff --git a/target/linux/ramips/image/mt76x8.mk b/target/linux/ramips/image/mt76x8.mk
index 2b5ec60a90..f3a948bf11 100644
--- a/target/linux/ramips/image/mt76x8.mk
+++ b/target/linux/ramips/image/mt76x8.mk
@@ -282,6 +282,21 @@ define Device/tplink_archer-c20-v4
endef
TARGET_DEVICES += tplink_archer-c20-v4
+define Device/tplink_archer-c20-v5
+ $(Device/tplink)
+ IMAGE_SIZE := 7616k
+ DEVICE_MODEL := Archer C20
+ DEVICE_VARIANT := v5
+ TPLINK_FLASHLAYOUT := 8MSUmtk
+ TPLINK_HWID := 0xc200005
+ TPLINK_HWREV := 0x1
+ TPLINK_HWREVADD := 0x5
+ TPLINK_HVERSION := 3
+ DEVICE_PACKAGES := kmod-mt76x0e
+ IMAGES := sysupgrade.bin
+endef
+TARGET_DEVICES += tplink_archer-c20-v5
+
define Device/tplink_archer-c50-v3
$(Device/tplink)
IMAGE_SIZE := 7808k
diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds b/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
index 06b78eb195..79f45ba545 100755
--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
@@ -52,7 +52,8 @@ tama,w06)
ucidef_set_led_netdev "wan" "WAN" "$boardname:green:wan" "eth0"
ucidef_set_led_wlan "wlan" "WLAN" "$boardname:green:wlan" "phy0tpt"
;;
-tplink,archer-c20-v4)
+tplink,archer-c20-v4|\
+tplink,archer-c20-v5)
ucidef_set_led_switch "lan" "lan" "$boardname:green:lan" "switch0" "0x1e"
ucidef_set_led_switch "wan" "wan" "$boardname:green:wan" "switch0" "0x01"
;;
diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
index a733353f71..646e29235c 100755
--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
@@ -40,6 +40,7 @@ ramips_setup_interfaces()
hiwifi,hc5861b|\
skylab,skw92a|\
tplink,archer-c20-v4|\
+ tplink,archer-c20-v5|\
tplink,archer-c50-v3|\
tplink,archer-c50-v4|\
tplink,tl-mr3420-v5|\
@@ -191,6 +192,7 @@ ramips_setup_macs()
tplink,tl-wr842n-v5)
wan_mac=$(macaddr_add "$(mtd_get_mac_binary factory 0xf100)" 1)
;;
+ tplink,archer-c20-v5|\
tplink,archer-c50-v4)
wan_mac=$(macaddr_add "$(mtd_get_mac_binary rom 0xf100)" 1)
;;
diff --git a/target/linux/ramips/mt76x8/base-files/lib/upgrade/platform.sh b/target/linux/ramips/mt76x8/base-files/lib/upgrade/platform.sh
index a3de97abf7..20adfafc3d 100755
--- a/target/linux/ramips/mt76x8/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ramips/mt76x8/base-files/lib/upgrade/platform.sh
@@ -28,6 +28,7 @@ platform_do_upgrade() {
}
default_do_upgrade "$1"
;;
+ tplink,archer-c20-v5|\
tplink,archer-c50-v4)
MTD_ARGS="-t romfile"
default_do_upgrade "$1"