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gluon/patches/openwrt/0013-ramips-add-support-for-Archer-C50-v4.patch
David Bauer 71bcdda4d4 modules: refresh patches 
While bumping OpenWrt, I've forgot to refresh the patches.

Fixes 61d460ec46 ("modules: bump OpenWrt")
2020-02-02 01:28:18 +01:00

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From: David Bauer <mail@david-bauer.net>
Date: Sun, 3 Feb 2019 00:23:18 +0100
Subject: ramips: add support for Archer C50 v4
This adds support for the TP-Link Archer C50 v4.
It uses the same hardware as the v3 variant, sharing the same FCC-ID.
CPU: MediaTek MT7628 (580MHz)
RAM: 64M DDR2
FLASH: 8M SPI
WiFi: 2.4GHz 2x2 MT7628 b/g/n integrated
WiFI: 5GHz 2x2 MT7612 a/n/ac
ETH: 1x WAN 4x LAN
LED: Power, WiFi2, WiFi5, LAN, WAN, WPS
BTN: WPS/WiFi, RESET
UART: Near ETH ports, 115200 8n1, TP-Link pinout
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 Wesite 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 the first TP-Link MediaTek device to feature a split-uboot
design. 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. 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.
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: David Bauer <mail@david-bauer.net>
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 6057275978591192e3b7799a8e6d97761c3e23a5..19386b9e139a25fd1ac29cd9a66b738b5b092cdf 100755
--- a/target/linux/ramips/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/base-files/etc/board.d/01_leds
@@ -410,7 +410,8 @@ tplink,c20-v4)
ucidef_set_led_switch "wan" "wan" "$boardname:green:wan" "switch0" "0x01"
ucidef_set_led_netdev "wlan2g" "wlan2g" "$boardname:green:wlan2g" "wlan0"
;;
-tplink,c50-v3)
+tplink,c50-v3|\
+tplink,c50-v4)
ucidef_set_led_switch "lan" "lan" "$boardname:green:lan" "switch0" "0x1e"
ucidef_set_led_switch "wan" "wan" "$boardname:green:wan" "switch0" "0x01"
ucidef_set_led_wlan "wlan2g" "wlan2g" "$boardname:green:wlan2g" "phy0tpt"
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 50d3a89bd88478b6077cf4f0aacde26901f869b4..15034e8e5e461a2ca13913ecde6a789a261dad64 100755
--- a/target/linux/ramips/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/base-files/etc/board.d/02_network
@@ -202,6 +202,7 @@ ramips_setup_interfaces()
rt-n14u|\
tplink,c20-v4|\
tplink,c50-v3|\
+ tplink,c50-v4|\
tplink,tl-mr3420-v5|\
tplink,tl-wr842n-v5|\
tl-wr840n-v4|\
diff --git a/target/linux/ramips/base-files/etc/diag.sh b/target/linux/ramips/base-files/etc/diag.sh
index 2f51add331fef4693e997433a4ab0e665da80e02..6d021b6def2f1fe7b71a67f36749c440f3bad1d4 100644
--- a/target/linux/ramips/base-files/etc/diag.sh
+++ b/target/linux/ramips/base-files/etc/diag.sh
@@ -42,6 +42,7 @@ get_status_led() {
r6220|\
tplink,c20-v4|\
tplink,c50-v3|\
+ tplink,c50-v4|\
tplink,tl-mr3420-v5|\
tplink,tl-wr842n-v5|\
tplink,tl-wr902ac-v3|\
diff --git a/target/linux/ramips/base-files/lib/upgrade/platform.sh b/target/linux/ramips/base-files/lib/upgrade/platform.sh
index ffdc5e73e0ede286c10396810954a230c8ea32fc..8055853508fc850a1826166c7e0cbdf443df27cb 100755
--- a/target/linux/ramips/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ramips/base-files/lib/upgrade/platform.sh
@@ -256,6 +256,7 @@ platform_check_image() {
tplink,c20-v1|\
tplink,c20-v4|\
tplink,c50-v3|\
+ tplink,c50-v4|\
tplink,tl-mr3420-v5|\
tplink,tl-wr842n-v5|\
tplink,tl-wr902ac-v3|\
diff --git a/target/linux/ramips/dts/ArcherC50V4.dts b/target/linux/ramips/dts/ArcherC50V4.dts
new file mode 100644
index 0000000000000000000000000000000000000000..bb4a65436fa435e5636aca3bf326b5a3ca61f7e3
--- /dev/null
+++ b/target/linux/ramips/dts/ArcherC50V4.dts
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "TPLINK-8M-SPLIT-UBOOT.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ compatible = "tplink,c50-v4", "mediatek,mt7628an-soc";
+ model = "TP-Link Archer C50 v4";
+
+ keys {
+ compatible = "gpio-keys-polled";
+ poll-interval = <20>;
+
+ reset {
+ label = "reset";
+ gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RESTART>;
+ };
+
+ rfkill {
+ label = "rfkill";
+ gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RFKILL>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led_power: power {
+ label = "c50-v4:green:power";
+ gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
+ };
+
+ wlan2 {
+ label = "c50-v4:green:wlan2g";
+ gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
+ };
+
+ wlan5 {
+ label = "c50-v4:green:wlan5g";
+ gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
+ };
+
+ lan {
+ label = "c50-v4:green:lan";
+ gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
+ };
+
+ wan {
+ label = "c50-v4:green:wan";
+ gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
+ };
+
+ wan_orange {
+ label = "c50-v4:orange:wan";
+ gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
+ };
+
+ wps {
+ label = "c50-v4:green:wps";
+ gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&pinctrl {
+ state_default: pinctrl0 {
+ gpio {
+ ralink,group = "i2c", "p0led_an", "p1led_an", "p2led_an",
+ "p3led_an", "p4led_an", "wdt", "wled_an";
+ ralink,function = "gpio";
+ };
+ };
+};
+
+&pcie {
+ status = "okay";
+
+ pcie-bridge {
+ mt76@0,0 {
+ reg = <0x0000 0 0 0 0>;
+ device_type = "pci";
+ mediatek,mtd-eeprom = <&radio 0x8000>;
+ ieee80211-freq-limit = <5000000 6000000>;
+ mtd-mac-address = <&rom 0xf100>;
+ mtd-mac-address-increment = <(-1)>;
+ };
+ };
+};
\ No newline at end of file
diff --git a/target/linux/ramips/dts/TPLINK-8M-SPLIT-UBOOT.dtsi b/target/linux/ramips/dts/TPLINK-8M-SPLIT-UBOOT.dtsi
new file mode 100644
index 0000000000000000000000000000000000000000..539f476dce6e1fe43769f3ed41ae94d5f6fbc2cc
--- /dev/null
+++ b/target/linux/ramips/dts/TPLINK-8M-SPLIT-UBOOT.dtsi
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+#include "mt7628an.dtsi"
+
+/ {
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x4000000>;
+ };
+};
+
+&spi0 {
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ m25p,chunked-io = <32>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "factory-uboot";
+ reg = <0x0 0x30000>;
+ read-only;
+ };
+
+ partition@30000 {
+ label = "boot";
+ reg = <0x30000 0x20000>;
+ read-only;
+ };
+
+ partition@50000 {
+ compatible = "tplink,firmware";
+ label = "firmware";
+ reg = <0x50000 0x770000>;
+ };
+
+ partition@7c0000 {
+ label = "config";
+ reg = <0x7c0000 0x10000>;
+ read-only;
+ };
+
+ rom: partition@7d0000 {
+ label = "rom";
+ reg = <0x7d0000 0x10000>;
+ read-only;
+ };
+
+ partition@7e0000 {
+ label = "romfile";
+ reg = <0x7e0000 0x10000>;
+ };
+
+ radio: partition@7f0000 {
+ label = "radio";
+ reg = <0x7f0000 0x10000>;
+ read-only;
+ };
+ };
+ };
+};
+
+&ehci {
+ status = "disabled";
+};
+
+&ohci {
+ status = "disabled";
+};
+
+&wmac {
+ status = "okay";
+ mtd-mac-address = <&rom 0xf100>;
+ mediatek,mtd-eeprom = <&radio 0x0>;
+};
+
+&ethernet {
+ mtd-mac-address = <&rom 0xf100>;
+ mediatek,portmap = "llllw";
+};
diff --git a/target/linux/ramips/image/mt76x8.mk b/target/linux/ramips/image/mt76x8.mk
index 21c5357a089fdd0675afa6f131ff5b34a9a8f54d..34bd662f3a9490bdb0fd125af5ffa8a0f77c5f16 100644
--- a/target/linux/ramips/image/mt76x8.mk
+++ b/target/linux/ramips/image/mt76x8.mk
@@ -182,6 +182,20 @@ define Device/tplink_c50-v3
endef
TARGET_DEVICES += tplink_c50-v3
+define Device/tplink_c50-v4
+ $(Device/tplink)
+ DTS := ArcherC50V4
+ IMAGE_SIZE := 7616k
+ DEVICE_TITLE := TP-Link ArcherC50 v4
+ TPLINK_FLASHLAYOUT := 8MSUmtk
+ TPLINK_HWID := 0x001D589B
+ TPLINK_HWREV := 0x93
+ TPLINK_HWREVADD := 0x2
+ TPLINK_HVERSION := 3
+ IMAGES := sysupgrade.bin
+endef
+TARGET_DEVICES += tplink_c50-v4
+
define Device/tplink_tl-mr3420-v5
$(Device/tplink)
DTS := TL-MR3420V5
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