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44cd32d764
Device specification: - MT7629 with 16MB NOR flash W25Q128 and 128 MB DDR3 RAM. - MT7761N and MT7762N wireless chips (currenlty no driver in OpenWrt available) - WiFi is NOT working on this device - Dual core but second CPU doesn't seem to work (Error message during boot: "CPU1: failed to come online") There are two similar merge requests for similar devices with the same issues: - https://github.com/openwrt/openwrt/pull/12286 - https://github.com/openwrt/openwrt/pull/5084 UART interface is next to the reset button, pinout: - 1: TX (the pin with the arrow marker) - 2: RX - 3: GND - 4: VCC UART settings: 115200,8n1, 3.3V U-Boot menu can be entered by pressing Ctrl+B during startup. Booting initramfs: - Set your computers IP adress to 192.168.1.110 - Run a TFTP server providing the initramfs image - Power on the AP, press Ctrl+B to get to the U-Boot menu - Select "1. System Load Linux to SDRAM via TFTP" - Update kernel file name, input server IP and input device IP (if they deviate from the defaults) - After booting, create a backup of all partitions, especially for kernel and root_fs. They are required for reverting back to stock firmware - The sysupgrade image can be flashed now MAC adresses: - LAN and 2.4GHz use the same MAC (the one printed on the device) - 5GHz WiFi MAC is LAN MAC + 1 GPIOs: - GPIO 21 is the reset pin (low active) - GPIO 55 is for the green LED (active high) - GPIO 56 is for the yellow/amber LED (active high) Signed-off-by: Roland Reinl <reinlroland+github@gmail.com>
189 lines
3.1 KiB
Plaintext
189 lines
3.1 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/dts-v1/;
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#include <dt-bindings/input/input.h>
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#include "mt7629.dtsi"
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/ {
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model = "TP-Link EAP225 v5";
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compatible = "tplink,eap225-v5", "mediatek,mt7629";
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aliases {
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led-boot = &led_status_green;
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led-failsafe = &led_status_amber;
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led-running = &led_status_green;
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led-upgrade = &led_status_amber;
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serial0 = &uart0;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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bootargs-override = "console=ttyS0,115200n8";
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};
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keys {
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compatible = "gpio-keys";
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reset {
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label = "reset";
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gpios = <&pio 21 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RESTART>;
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};
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};
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leds {
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compatible = "gpio-leds";
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led_status_green: status_green {
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label = "green:status";
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gpios = <&pio 55 GPIO_ACTIVE_HIGH>;
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default-state = "on";
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};
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led_status_amber: status_amber {
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label = "amber:status";
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gpios = <&pio 56 GPIO_ACTIVE_HIGH>;
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};
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};
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};
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ð {
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pinctrl-names = "default";
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pinctrl-0 = <ð_pins>;
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pinctrl-1 = <&ephy_leds_pins>;
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status = "okay";
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mac@1 {
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compatible = "mediatek,eth-mac";
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reg = <1>;
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phy-mode = "gmii";
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phy-handle = <&phy0>;
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nvmem-cells = <&macaddr_factory_8>;
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nvmem-cell-names = "mac-address";
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};
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mdio-bus {
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#address-cells = <1>;
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#size-cells = <0>;
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phy0: ethernet-phy@0 {
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reg = <0>;
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};
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};
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};
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&qspi {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&qspi_pins>;
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flash@0 {
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compatible = "jedec,spi-nor";
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reg = <0>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "Bootloader";
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reg = <0x0 0x00080000>;
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read-only;
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};
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partition@80000 {
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label = "Partition";
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reg = <0x00080000 0x00010000>;
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read-only;
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};
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partition@90000 {
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label = "Factory";
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reg = <0x00090000 0x00010000>;
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compatible = "nvmem-cells";
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read-only;
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macaddr_factory_8: macaddr@8 {
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reg = <0x8 0x6>;
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};
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};
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partition@A0000 {
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label = "Radio";
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reg = <0x000A0000 0x00010000>;
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read-only;
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};
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partition@B0000 {
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label = "Extra";
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reg = <0x000B0000 0x00010000>;
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read-only;
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};
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/* Vendor layout: kernel (0x000C0000 0x001A0000) - rootfs (0x00260000 0x00BE0000) */
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/* OpenWrt flash layout: combine kernel and rootfs from OEM layout */
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partition@C0000 {
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label = "firmware";
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reg = <0x000C0000 0x00D80000>;
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};
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partition@E40000 {
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label = "Config";
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reg = <0x00E40000 0x0001B0000>;
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read-only;
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};
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};
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};
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};
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&pio {
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eth_pins: eth-pins {
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mux {
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function = "eth";
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groups = "mdc_mdio";
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};
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};
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ephy_leds_pins: ephy-leds-pins {
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mux {
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function = "led";
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groups = "ephy_leds";
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};
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};
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qspi_pins: qspi-pins {
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mux {
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function = "flash";
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groups = "spi_nor";
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};
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};
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uart0_pins: uart0-pins {
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mux {
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function = "uart";
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groups = "uart0_txd_rxd" ;
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};
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};
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watchdog_pins: watchdog-pins {
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mux {
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function = "watchdog";
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groups = "watchdog";
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};
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};
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};
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_pins>;
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status = "okay";
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};
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&watchdog {
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pinctrl-names = "default";
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pinctrl-0 = <&watchdog_pins>;
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status = "okay";
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};
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