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mediatek: add support for OpenEmbed SOM7981
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Hardware specification:
  SoC: MediaTek MT7981B 2x A53
  Flash: 256 MiB SPI-NAND, 32 GB eMMC optional
  RAM: 0.5/1 GB DDR4
  Ethernet: 1x 1GbE, 1x 2.5GbE (RTL8221B)
  WiFi: MediaTek MT7976C
  USB: 1x USB 3.0
  GPIO: 26-Pin header
  UART: 6 GND, 8 TX, 10 RX (in Pin header)
  Button: Reset, WPS
  Power: Type-C PD

Installation:
The board comes with a third-party custom OpenWrt image, you can upload
sysupgrade image via LuCI directly WITHOUT keeping configurations.

Or power on the board with pressing reset button for 5 second, then visit
http://192.168.1.1 and upload -factory.bin firmware.

Signed-off-by: Tianling Shen <[email protected]>
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1715173329 authored and hauke committed Mar 31, 2024
1 parent 5aca47b commit cc6c3a6
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Showing 6 changed files with 257 additions and 1 deletion.
4 changes: 4 additions & 0 deletions package/boot/uboot-envtools/files/mediatek_filogic
Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,10 @@ routerich,ax3000)
local envdev=/dev/mtd$(find_mtd_index "u-boot-env")
ubootenv_add_uci_config "$envdev" "0x0" "0x20000" "0x20000" "1"
;;
openembed,som7981)
ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x80000" "0x80000"
ubootenv_add_uci_sys_config "/dev/mtd3" "0x0" "0x100000" "0x100000"
;;
ubnt,unifi-6-plus)
ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x80000" "0x10000"
;;
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227 changes: 227 additions & 0 deletions target/linux/mediatek/dts/mt7981b-openembed-som7981.dts
Original file line number Diff line number Diff line change
@@ -0,0 +1,227 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include "mt7981.dtsi"

/ {
model = "OpenEmbed SOM7981";
compatible = "openembed,som7981", "mediatek,mt7981";

aliases {
led-boot = &wlan2g_led;
led-failsafe = &wlan2g_led;
led-upgrade = &wlan2g_led;
serial0 = &uart0;
};

chosen {
stdout-path = "serial0:115200n8";
};

memory@40000000 {
reg = <0 0x40000000 0 0x40000000>;
};

gpio-keys {
compatible = "gpio-keys";

button-reset {
label = "reset";
linux,code = <KEY_RESTART>;
gpios = <&pio 1 GPIO_ACTIVE_LOW>;
};

button-wps {
label = "wps";
linux,code = <KEY_WPS_BUTTON>;
gpios = <&pio 0 GPIO_ACTIVE_LOW>;
};
};

gpio-leds {
compatible = "gpio-leds";

led-0 {
function = LED_FUNCTION_LAN;
color = <LED_COLOR_ID_AMBER>;
gpios = <&pio 8 GPIO_ACTIVE_LOW>;
};

led-1 {
function = LED_FUNCTION_LAN;
color = <LED_COLOR_ID_GREEN>;
gpios = <&pio 13 GPIO_ACTIVE_LOW>;
};

wlan2g_led: led-2 {
function = LED_FUNCTION_WLAN_2GHZ;
color = <LED_COLOR_ID_RED>;
gpios = <&pio 34 GPIO_ACTIVE_LOW>;
linux,default-trigger = "phy0tpt";
};

led-3 {
function = LED_FUNCTION_WLAN_5GHZ;
color = <LED_COLOR_ID_RED>;
gpios = <&pio 35 GPIO_ACTIVE_LOW>;
linux,default-trigger = "phy1tpt";
};
};
};

&eth {
pinctrl-names = "default";
pinctrl-0 = <&mdio_pins>;
status = "okay";

gmac0: mac@0 {
compatible = "mediatek,eth-mac";
reg = <0>;
phy-mode = "2500base-x";
phy-handle = <&phy0>;
nvmem-cells = <&macaddr_factory_a 0>;
nvmem-cell-names = "mac-address";
};

gmac1: mac@1 {
compatible = "mediatek,eth-mac";
reg = <1>;
phy-mode = "gmii";
phy-handle = <&int_gbe_phy>;
nvmem-cells = <&macaddr_factory_a 1>;
nvmem-cell-names = "mac-address";
};
};

&mdio_bus {
phy0: ethernet-phy@5 {
reg = <5>;
compatible = "ethernet-phy-ieee802.3-c45";
phy-mode = "2500base-x";
reset-gpios = <&pio 14 GPIO_ACTIVE_LOW>;
reset-assert-us = <10000>;
reset-deassert-us = <50000>;
realtek,aldps-enable;
};
};

&spi0 {
pinctrl-names = "default";
pinctrl-0 = <&spi0_flash_pins>;
status = "okay";

spi_nand: flash@0 {
compatible = "spi-nand";
#address-cells = <1>;
#size-cells = <1>;
reg = <0>;

spi-max-frequency = <52000000>;
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;

partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;

partition@0 {
label = "bl2";
reg = <0x000000 0x100000>;
read-only;
};

partition@100000 {
label = "u-boot-env";
reg = <0x100000 0x80000>;
};

partition@180000 {
compatible = "nvmem-cells";
label = "factory";
reg = <0x180000 0x100000>;
read-only;

nvmem-layout {
compatible = "fixed-layout";
#address-cells = <1>;
#size-cells = <1>;

eeprom_factory_0: eeprom@0 {
reg = <0x0 0x1000>;
};

macaddr_factory_a: macaddr@a {
compatible = "mac-base";
reg = <0xa 0x6>;
#nvmem-cell-cells = <1>;
};
};
};

partition@280000 {
label = "config";
reg = <0x280000 0x100000>;
read-only;
};

partition@380000 {
label = "fip";
reg = <0x380000 0x200000>;
read-only;
};

partition@580000 {
label = "ubi";
reg = <0x580000 0xf880000>;
};
};
};
};

&pio {
spi0_flash_pins: spi0-pins {
mux {
function = "spi";
groups = "spi0", "spi0_wp_hold";
};

conf-pu {
pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP";
drive-strength = <8>;
mediatek,pull-up-adv = <0>;
};

conf-pd {
pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO";
drive-strength = <8>;
mediatek,pull-down-adv = <0>;
};
};
};

&uart0 {
status = "okay";
};

&usb_phy {
status = "okay";
};

&watchdog {
status = "okay";
};

&wifi {
nvmem-cells = <&eeprom_factory_0>;
nvmem-cell-names = "eeprom";
status = "okay";
};

&xhci {
status = "okay";
};
4 changes: 4 additions & 0 deletions target/linux/mediatek/filogic/base-files/etc/board.d/01_leds
Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,10 @@ netgear,wax220)
ucidef_set_led_netdev "wlan2g" "WLAN2G" "blue:wlan2g" "phy0-ap0"
ucidef_set_led_netdev "wlan5g" "WLAN5G" "blue:wlan5g" "phy1-ap0"
;;
openembed,som7981)
ucidef_set_led_netdev "lanact" "LANACT" "green:lan" "eth1" "rx tx"
ucidef_set_led_netdev "lanlink" "LANLINK" "amber:lan" "eth1" "link"
;;
routerich,ax3000)
ucidef_set_led_netdev "lan-1" "lan-1" "blue:lan-1" "lan1" "link tx rx"
ucidef_set_led_netdev "lan-2" "lan-2" "blue:lan-2" "lan2" "link tx rx"
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,8 @@ mediatek_setup_interfaces()
glinet,gl-mt2500|\
glinet,gl-mt3000|\
glinet,gl-x3000|\
glinet,gl-xe3000)
glinet,gl-xe3000|\
openembed,som7981)
ucidef_set_interfaces_lan_wan eth1 eth0
;;
glinet,gl-mt6000|\
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,9 @@ case "$board" in
[ "$PHYNBR" = "0" ] && macaddr_add $hw_mac_addr 2 > /sys${DEVPATH}/macaddress
[ "$PHYNBR" = "1" ] && macaddr_add $hw_mac_addr 3 > /sys${DEVPATH}/macaddress
;;
openembed,som7981)
[ "$PHYNBR" = "1" ] && cat /sys/class/net/eth0/address > /sys${DEVPATH}/macaddress
;;
qihoo,360t7)
addr=$(mtd_get_mac_ascii factory lanMac)
[ "$PHYNBR" = "0" ] && macaddr_add $addr 2 > /sys${DEVPATH}/macaddress
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17 changes: 17 additions & 0 deletions target/linux/mediatek/image/filogic.mk
Original file line number Diff line number Diff line change
Expand Up @@ -863,6 +863,23 @@ define Device/netgear_wax220
endef
TARGET_DEVICES += netgear_wax220

define Device/openembed_som7981
DEVICE_VENDOR := OpenEmbed
DEVICE_MODEL := SOM7981
DEVICE_DTS := mt7981b-openembed-som7981
DEVICE_DTS_DIR := ../dts
DEVICE_PACKAGES := kmod-mt7981-firmware mt7981-wo-firmware kmod-usb3
UBINIZE_OPTS := -E 5
BLOCKSIZE := 128k
PAGESIZE := 2048
IMAGE_SIZE := 244224k
KERNEL_IN_UBI := 1
IMAGES += factory.bin
IMAGE/factory.bin := append-ubi | check-size $$$$(IMAGE_SIZE)
IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
endef
TARGET_DEVICES += openembed_som7981

define Device/qihoo_360t7
DEVICE_VENDOR := Qihoo
DEVICE_MODEL := 360T7
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