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mediatek: Add support for Linksys EA7500 v3
Specification: - MT7629 CPU - MT7531 switch - MT7761N and MT7762N wifi - 256 MB RAM - 128 MB NAND flash with dual-boot partitions - 2 buttons: WPS and reset - 1 WAN port (1G) - 4 LAN ports (1G) - 1 USB port Limitations (same as other MT7629/MT7761N/MT7762N devices): - Wifi is not working - Second core is not working (kernel error message "CPU1: failed to come online") Disassembly: - There are two screws under the front rubber feet and two under the label on the bottom (in the corners towards the back, you should be able to feel them). Serial Interface: - UART pin header is already soldered on the board. Pinning from front to back: 1 - VCC 2 - TX 3 - RX 4 - n/a 5 - GND GPIO: - 1 white LED, connected to GPIO 52 - 1 reset button, connected to GPIO 60 - 1 WPS button, connected to GPIO 58 MAC Adresses: - The MAC address printed on the device label is used for LAN and WAN - The MAC address is stored in the devinfo partition in ASCII format (hw_mac_addr=aa:bb:cc:dd:ee) - 2.4 GHz wifi uses MAC of the device label + 1 - 5 GHz wifi uses MAC of the device label + 2 Flashing: - OpenWrt is only runnig in the first partition of dual boot - To ensure to be able to go back to the factory image, flash the last OEM firmware via OEM web interface. This will ensure that the OEM firmware is present on both partitions - Because of dual boot partitions, flashing via OEM interface is not supported - Start a TFTP server and provide the initramfs image. Default settings: - Router IP: 192.168.1.1 - TFTP server IP: 192.168.1.100 - TFTP file name: 7531.bin - Open the device, connect UART and select " 1. System Load Linux to SDRAM via TFTP." during startup - Adapt the settings to your environment, if required - After initramfs is booted, flash the sysupgrade image Return to OEM firmware: - Run the following commands in OpenWrt to switch to the second partition fw_setenv boot_part 2 fw_setenv bootimage 2 - Reboot the device. OEM firmware will start up again Signed-off-by: Roland Reinl <reinlroland+github@gmail.com> Link: https://github.com/openwrt/openwrt/pull/16067 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Roland Reinl
Hauke Mehrtens
parent
ced78ccb2f
commit
2fbffb3643
@ -16,6 +16,9 @@ iptime,a6004mx|\
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netgear,ex6250-v2)
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ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x1000"
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;;
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linksys,ea7500-v3)
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ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x1000" "0x20000"
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;;
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esac
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config_load ubootenv
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@ -12,7 +12,7 @@ obj.gemini = $(obj.wrgg)
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obj.brcm = trx.o
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obj.bcm47xx = $(obj.brcm)
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obj.bcm53xx = $(obj.brcm) $(obj.seama)
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obj.mediatek = $(obj.brcm)
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obj.mediatek = $(obj.brcm) linksys_bootcount.o
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obj.bcm63xx = imagetag.o
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obj.bmips = imagetag.o
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obj.ramips = $(obj.brcm) $(obj.seama) $(obj.tpl) $(obj.wrg) linksys_bootcount.o
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300
target/linux/mediatek/dts/mt7629-linksys-ea7500-v3.dts
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300
target/linux/mediatek/dts/mt7629-linksys-ea7500-v3.dts
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@ -0,0 +1,300 @@
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// 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 <dt-bindings/leds/common.h>
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#include "mt7629.dtsi"
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/ {
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model = "Linksys EA7500 v3";
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compatible = "linksys,ea7500-v3", "mediatek,mt7629";
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aliases {
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led-boot = &led_power;
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led-failsafe = &led_power;
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led-running = &led_power;
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led-upgrade = &led_power;
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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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leds {
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compatible = "gpio-leds";
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led_power: power {
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function = LED_FUNCTION_POWER;
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color = <LED_COLOR_ID_WHITE>;
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gpios = <&pio 52 GPIO_ACTIVE_HIGH>;
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};
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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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linux,code = <KEY_RESTART>;
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gpios = <&pio 60 GPIO_ACTIVE_LOW>;
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};
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wps {
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label = "wps";
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linux,code = <KEY_WPS_BUTTON>;
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gpios = <&pio 58 GPIO_ACTIVE_LOW>;
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};
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};
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memory@40000000 {
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device_type = "memory";
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reg = <0x40000000 0x10000000>;
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};
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reg_3p3v: regulator-3p3v {
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compatible = "regulator-fixed";
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regulator-name = "fixed-3.3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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reg_5v: regulator-5v {
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compatible = "regulator-fixed";
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regulator-name = "fixed-5V";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-boot-on;
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regulator-always-on;
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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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gmac0: mac@0 {
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compatible = "mediatek,eth-mac";
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reg = <0>;
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phy-mode = "2500base-x";
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fixed-link {
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speed = <2500>;
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full-duplex;
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pause;
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};
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};
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gmac1: 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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};
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mdio: 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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switch@1f {
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compatible = "mediatek,mt7531";
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reg = <31>;
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reset-gpios = <&pio 28 0>;
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interrupt-controller;
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#interrupt-cells = <1>;
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interrupt-parent = <&pio>;
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interrupts = <6 IRQ_TYPE_LEVEL_HIGH>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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label = "lan1";
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};
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port@1 {
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reg = <1>;
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label = "lan2";
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};
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port@2 {
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reg = <2>;
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label = "lan3";
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};
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port@3 {
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reg = <3>;
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label = "lan4";
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};
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port@6 {
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reg = <6>;
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ethernet = <&gmac0>;
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phy-mode = "2500base-x";
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fixed-link {
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speed = <2500>;
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full-duplex;
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pause;
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};
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};
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};
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};
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};
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};
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&bch {
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status = "okay";
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};
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&snfi {
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pinctrl-names = "default";
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pinctrl-0 = <&serial_nand_pins>;
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status = "okay";
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flash@0 {
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compatible = "spi-nand";
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reg = <0>;
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spi-tx-bus-width = <4>;
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spi-rx-bus-width = <4>;
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nand-ecc-engine = <&snfi>;
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mediatek,bmt-v2;
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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 0x100000>;
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read-only;
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};
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partition@100000 {
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label = "Config";
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reg = <0x100000 0x40000>;
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};
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partition@140000 {
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label = "Factory";
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reg = <0x140000 0x80000>;
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read-only;
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};
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partition@1c0000 {
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label = "kernel";
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reg = <0x1c0000 0x800000>;
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};
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partition@9c0000 {
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label = "ubi";
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reg = <0x9c0000 0x2000000>;
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};
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partition@29c0000 {
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label = "Kernel2";
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reg = <0x29c0000 0x2800000>;
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read-only;
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};
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partition@51c0000 {
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label = "devinfo";
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reg = <0x51c0000 0x40000>;
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read-only;
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};
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partition@5200000 {
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label = "sysdiag";
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reg = <0x5200000 0x100000>;
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read-only;
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};
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partition@5300000 {
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label = "syscfg";
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reg = <0x5300000 0x2000000>;
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read-only;
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};
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partition@7300000 {
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label = "s_env";
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reg = <0x7300000 0x40000>;
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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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/* Serial NAND is shared pin with SPI-NOR */
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serial_nand_pins: serial-nand-pins {
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mux {
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function = "flash";
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groups = "snfi";
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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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&ssusb {
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vusb33-supply = <®_3p3v>;
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vbus-supply = <®_5v>;
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status = "okay";
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};
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&u3phy0 {
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status = "okay";
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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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interrupt-controller;
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#interrupt-cells = <1>;
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interrupt-parent = <&pio>;
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interrupts = <GIC_SPI 0x80 IRQ_TYPE_EDGE_FALLING>;
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};
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@ -27,6 +27,22 @@ define Device/iptime_a6004mx
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endef
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TARGET_DEVICES += iptime_a6004mx
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define Device/linksys_ea7500-v3
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$(Device/uimage-lzma-loader)
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DEVICE_VENDOR := Linksys
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DEVICE_MODEL := EA7500
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DEVICE_VARIANT := v3
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DEVICE_DTS := mt7629-linksys-ea7500-v3
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DEVICE_DTS_DIR := ../dts
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DEVICE_PACKAGES := kmod-usb3 uboot-envtools
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IMAGE_SIZE := 40m
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UBINIZE_OPTS := -E 5
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BLOCKSIZE := 128k
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PAGESIZE := 2048
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IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata | check-size
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endef
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TARGET_DEVICES += linksys_ea7500-v3
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define Device/netgear_ex6250-v2
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DEVICE_VENDOR := NETGEAR
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DEVICE_MODEL := EX6250
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@ -8,7 +8,8 @@ mediatek_setup_interfaces()
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local board="$1"
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case $board in
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iptime,a6004mx)
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iptime,a6004mx|\
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linksys,ea7500-v3)
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ucidef_set_interfaces_lan_wan "lan1 lan2 lan3 lan4" "eth1"
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;;
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mediatek,mt7629-rfb)
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@ -28,6 +29,11 @@ mediatek_setup_macs()
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local board="$1"
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case $board in
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linksys,ea7500-v3)
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lan_mac=$(mtd_get_mac_ascii devinfo hw_mac_addr)
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wan_mac=$lan_mac
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label_mac=$lan_mac
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;;
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netgear,ex6250-v2)
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lan_mac=$(mtd_get_mac_ascii Config mac)
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label_mac=$lan_mac
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@ -13,5 +13,8 @@ boot() {
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exit 1
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fi
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;;
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linksys,ea7500-v3)
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mtd resetbc s_env || true
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;;
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esac
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}
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@ -12,6 +12,11 @@ platform_do_upgrade() {
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iptime,a6004mx)
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nand_do_upgrade "$1"
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;;
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linksys,ea7500-v3)
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fw_setenv boot_part 1
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fw_setenv bootimage 1
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nand_do_upgrade "$1"
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;;
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*)
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default_do_upgrade "$1"
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;;
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