[PATCH] ramips: mt7621: add support for Keenetic Viva (KN-1910)
wornandrew
wornandrew at proton.me
Tue May 7 07:14:20 PDT 2024
From: Andrew Worn <wornandrew at proton.me>
SoC : MediaTek MT7621A
RAM : 128M DDR3
Flash : 128M NAND
Switch: MT7530, 5 ports 1Gbps
WiFi : MT7615DN, 2.4GHz n and 5GHz ac
USB : 2 ports USB 2.0
GPIO : 4 buttons, 4 LEDs, USB port power controls
LAN : RF-EEPROM + 0x04
WAN : RF-EEPROM + 0x28
2.4GHz: RF-EEPROM + 0x04
5GHz : 2.4GHz + 82:00:00:00:00:00
1. Connect to a LAN port, configure interface to use 192.168.1.2/30
2. Serve the factory image renamed to KN-1910_recovery.bin via TFTP
3. Power up the router while pressing Restart button on the back
4. Release Restart button when Power LED starts blinking
Keenetic's bootloader supports booting a LZMA compressed kernel but
seems to fail if the uncompressed data is larger than a fixed buffer
therefore it is safer to use a uimage-lzma-loader
Vendor firmware uses around half of flash for a writable UBIFS partition
that is preserved here. It may be accessed with the following commands:
ubiattach -p /dev/mtd17
mount -t ubifs /dev/ubi1_0 /mnt/
Signed-off-by: Andrew Worn <wornandrew at proton.me>
---
diff --git a/target/linux/ramips/dts/mt7621_keenetic_kn-1910.dts b/target/linux/ramips/dts/mt7621_keenetic_kn-1910.dts
new file mode 100644
index 0000000000..1717d274a8
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_keenetic_kn-1910.dts
@@ -0,0 +1,271 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ compatible = "keenetic,kn-1910", "mediatek,mt7621-soc";
+ model = "Keenetic KN-1910";
+
+ aliases {
+ led-boot = &led_power;
+ led-failsafe = &led_power;
+ led-running = &led_power;
+ led-upgrade = &led_power;
+ label-mac-device = &gmac0;
+ };
+
+ gpio_export {
+ compatible = "gpio-export";
+ #size-cells = <0>;
+
+ left_usb_power {
+ gpio-export,name = "left-usb:power";
+ gpio-export,output = <1>;
+ gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+ };
+
+ right_usb_power {
+ gpio-export,name = "right-usb:power";
+ gpio-export,output = <1>;
+ gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ keys {
+ compatible = "gpio-keys";
+
+ restart {
+ label = "restart";
+ gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RESTART>;
+ };
+
+ wps {
+ label = "wps";
+ gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_WPS_BUTTON>;
+ };
+
+ fn1 {
+ label = "fn1";
+ gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
+ linux,code = <BTN_1>;
+ };
+
+ fn2 {
+ label = "fn2";
+ gpios = <&gpio 7 GPIO_ACTIVE_LOW>;
+ linux,code = <BTN_2>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led_power: power {
+ label = "green:power";
+ gpios = <&gpio 9 GPIO_ACTIVE_HIGH>;
+ };
+
+ internet {
+ label = "green:internet";
+ gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
+ };
+
+ fn {
+ label = "green:fn";
+ gpios = <&gpio 13 GPIO_ACTIVE_HIGH>;
+ };
+
+ wifi {
+ label = "green:wifi";
+ gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ virtual_flash {
+ compatible = "mtd-concat";
+ devices = <&firmware_1>, <&firmware_2>, <&storage_a>, <&storage_b>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition at 0 {
+ label = "kernel";
+ reg = <0x0 0x400000>;
+ };
+
+ partition at 400000 {
+ label = "ubi";
+ reg = <0x400000 0x3380000>;
+ };
+
+ partition at 3780000 {
+ label = "storage";
+ reg = <0x3780000 0x41c0000>;
+ };
+ };
+ };
+};
+
+&nand {
+ status = "okay";
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition at 0 {
+ label = "U-Boot";
+ reg = <0x0 0x80000>;
+ read-only;
+ };
+
+ partition at 80000 {
+ label = "U-Config";
+ reg = <0x80000 0x80000>;
+ read-only;
+ };
+
+ factory: partition at 100000 {
+ label = "RF-EEPROM";
+ reg = <0x100000 0x80000>;
+ read-only;
+ };
+
+ firmware_1: partition at 180000 {
+ label = "Firmware_1";
+ reg = <0x180000 0x1bc0000>;
+ };
+
+ partition at 1d40000 {
+ label = "Config_1";
+ reg = <0x1d40000 0x80000>;
+ read-only;
+ };
+
+ partition at 1dc0000 {
+ label = "Storage_Legacy";
+ reg = <0x1dc0000 0x200000>;
+ };
+
+ partition at 1fc0000 {
+ label = "Dump";
+ reg = <0x1fc0000 0x40000>;
+ read-only;
+ };
+
+ storage_a: partition at 2000000 {
+ label = "Storage_A";
+ reg = <0x2000000 0x1fc0000>;
+ };
+
+ partition at 3fc0000 {
+ label = "U-State";
+ reg = <0x3fc0000 0x80000>;
+ read-only;
+ };
+
+ partition at 4040000 {
+ label = "U-Config_res";
+ reg = <0x4040000 0x80000>;
+ read-only;
+ };
+
+ partition at 40c0000 {
+ label = "RF-EEPROM_res";
+ reg = <0x40c0000 0x80000>;
+ read-only;
+ };
+
+ firmware_2: partition at 4140000 {
+ label = "Firmware_2";
+ reg = <0x4140000 0x1bc0000>;
+ };
+
+ partition at 5d00000 {
+ label = "Config_2";
+ reg = <0x5d00000 0x80000>;
+ read-only;
+ };
+
+ storage_b: partition at 5d80000 {
+ label = "Storage_B";
+ reg = <0x5d80000 0x2200000>;
+ };
+
+ partition at 7f80000 {
+ label = "unused";
+ reg = <0x7f80000 0x80000>;
+ };
+ };
+};
+
+&pcie {
+ status = "okay";
+};
+
+&pcie0 {
+ wifi at 0,0 {
+ compatible = "mediatek,mt76";
+ reg = <0x0000 0 0 0 0>;
+ mediatek,mtd-eeprom = <&factory 0x0>;
+ };
+};
+
+ðphy0 {
+ /delete-property/ interrupts;
+};
+
+&gmac0 {
+ nvmem-cells = <&macaddr_factory_4>;
+ nvmem-cell-names = "mac-address";
+};
+
+&gmac1 {
+ status = "okay";
+ label = "wan";
+ phy-handle = <ðphy0>;
+
+ nvmem-cells = <&macaddr_factory_28>;
+ nvmem-cell-names = "mac-address";
+};
+
+&switch0 {
+ ports {
+ port at 1 {
+ status = "okay";
+ };
+
+ port at 2 {
+ status = "okay";
+ };
+
+ port at 3 {
+ status = "okay";
+ };
+
+ port at 4 {
+ status = "okay";
+ };
+ };
+};
+
+&factory {
+ compatible = "nvmem-cells";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ macaddr_factory_4: macaddr at 4 {
+ reg = <0x4 0x6>;
+ };
+
+ macaddr_factory_28: macaddr at 28 {
+ reg = <0x28 0x6>;
+ };
+};
diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index 10e7857614..b8533311f2 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -1524,6 +1524,19 @@ define Device/jcg_y2
endef
TARGET_DEVICES += jcg_y2
+define Device/keenetic_kn-1910
+ $(Device/nand)
+ $(Device/uimage-lzma-loader)
+ IMAGE_SIZE := 56832k
+ DEVICE_VENDOR := Keenetic
+ DEVICE_MODEL := KN-1910
+ DEVICE_PACKAGES := kmod-mt7615-firmware kmod-usb3
+ IMAGES += factory.bin
+ IMAGE/factory.bin := append-kernel | pad-to $$(KERNEL_SIZE) | \
+ append-ubi | check-size | zyimage -d 0x801910 -v "KN-1910"
+endef
+TARGET_DEVICES += keenetic_kn-1910
+
define Device/keenetic_kn-3010
$(Device/dsa-migration)
$(Device/uimage-lzma-loader)
diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds b/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
index 6848bebd00..3755abdb51 100644
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
@@ -122,6 +122,7 @@ gnubee,gb-pc2)
huasifei,ws1208v2)
ucidef_set_led_netdev "wwan0" "wwan0" "green:cellular" "wwan0" "link tx rx"
;;
+keenetic,kn-1910|\
keenetic,kn-3010)
ucidef_set_led_netdev "internet" "internet" "green:internet" "wan"
;;
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