From d7ab46cf532c9ca8599cbe654e9b41ca96629905 Mon Sep 17 00:00:00 2001
From: Enrico Mioso <mrkiko.rs@gmail.com>
Date: Sun, 15 Jun 2025 17:35:39 +0200
Subject: [PATCH] add GL.iNet GL-MT2500 (Brume2)

Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
---
 arch/arm/dts/mt7981-glinet-gl-mt2500.dts  | 120 ++++++++++++++++++++++
 configs/mt7981_glinet_gl-mt2500_defconfig | 113 ++++++++++++++++++++
 defenvs/glinet_gl-mt2500_env              |  38 +++++++
 3 files changed, 271 insertions(+)
 create mode 100644 arch/arm/dts/mt7981-glinet-gl-mt2500.dts
 create mode 100644 configs/mt7981_glinet_gl-mt2500_defconfig
 create mode 100644 defenvs/glinet_gl-mt2500_env

--- /dev/null
+++ b/arch/arm/dts/mt7981-glinet-gl-mt2500.dts
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+#include "mt7981.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/linux-event-codes.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	model = "GL.iNet GL-MT2500";
+	compatible = "glinet,gl-mt2500", "mediatek,mt7981";
+
+	chosen {
+		stdout-path = &uart0;
+		tick-timer = &timer0;
+	};
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0x40000000 0x40000000>;
+	};
+
+	reg_3p3v: regulator-3p3v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&pio 1 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led-vpn {
+			label = "white:vpn";
+			gpios = <&pio 31 GPIO_ACTIVE_LOW>;
+		};
+
+		white {
+			label = "white:system";
+			gpios = <&pio 30 GPIO_ACTIVE_LOW>;
+		};
+
+		blue {
+			label = "blue:system";
+			gpios = <&pio 29 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&eth {
+	status = "okay";
+	mediatek,gmac-id = <1>;
+	phy-mode = "gmii";
+	phy-handle = <&phy0>;
+
+	mdio {
+		phy0: ethernet-phy@0 {
+			compatible = "ethernet-phy-id03a2.9461";
+			reg = <0x0>;
+			phy-mode = "gmii";
+		};
+	};
+};
+
+&mmc0 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins_default>;
+	bus-width = <8>;
+	max-frequency = <26000000>;
+	vmmc-supply = <&reg_3p3v>;
+	cap-mmc-hw-highspeed;
+	cap-mmc-hw-reset;
+	non-removable;
+};
+
+&pio {
+	mmc0_pins_default: mmc0-pins-default {
+		mux {
+			function = "flash";
+			groups =  "emmc_45";
+		};
+		conf-cmd-dat {
+			pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO",
+				"SPI0_CS",  "SPI0_HOLD", "SPI0_WP",
+				"SPI1_CLK", "SPI1_MOSI", "SPI1_MISO";
+			input-enable;
+			drive-strength = <MTK_DRIVE_12mA>;
+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+		};
+		conf-clk {
+			pins = "SPI1_CS";
+			drive-strength = <MTK_DRIVE_12mA>;
+			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+		};
+		conf-rst {
+			pins = "GPIO_WPS";
+			drive-strength = <MTK_DRIVE_4mA>;
+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+		};
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
--- /dev/null
+++ b/configs/mt7981_glinet_gl-mt2500_defconfig
@@ -0,0 +1,114 @@
+CONFIG_ARM=y
+CONFIG_SYS_HAS_NONCACHED_MEMORY=y
+CONFIG_POSITION_INDEPENDENT=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_TEXT_BASE=0x41e00000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x80000
+CONFIG_ENV_OFFSET=0x400000
+CONFIG_DEFAULT_DEVICE_TREE="mt7981-glinet-gl-mt2500"
+CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_TARGET_MT7981=y
+CONFIG_SYS_LOAD_ADDR=0x46000000
+CONFIG_DEBUG_UART_BASE=0x11002000
+CONFIG_DEBUG_UART_CLOCK=40000000
+CONFIG_DEBUG_UART=y
+CONFIG_ENV_VARS_UBOOT_CONFIG=y
+# CONFIG_EXPERT is not set
+# CONFIG_EFI_LOADER is not set
+CONFIG_FIT=y
+# CONFIG_BOOTSTD is not set
+# CONFIG_LEGACY_IMAGE_FORMAT is not set
+CONFIG_AUTOBOOT_MENU_SHOW=y
+CONFIG_USE_BOOTCOMMAND=y
+CONFIG_DEFAULT_FDT_FILE="mediatek/mt7981-glinet-gl-mt2500.dtb"
+CONFIG_SYS_CBSIZE=512
+CONFIG_SYS_PBSIZE=1049
+CONFIG_LOGLEVEL=7
+CONFIG_CONSOLE_MUX=y
+CONFIG_SYS_CONSOLE_ENV_OVERWRITE=y
+# CONFIG_BOARD_INIT is not set
+CONFIG_BOARD_LATE_INIT=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="GL-MT2500> "
+CONFIG_CMD_CPU=y
+CONFIG_CMD_LICENSE=y
+# CONFIG_BOOTM_NETBSD is not set
+# CONFIG_BOOTM_PLAN9 is not set
+# CONFIG_BOOTM_RTEMS is not set
+# CONFIG_BOOTM_VXWORKS is not set
+CONFIG_CMD_BOOTMENU=y
+# CONFIG_CMD_ELF is not set
+CONFIG_CMD_ASKENV=y
+CONFIG_CMD_ERASEENV=y
+CONFIG_CMD_ENV_CALLBACK=y
+CONFIG_CMD_ENV_FLAGS=y
+CONFIG_CMD_STRINGS=y
+# CONFIG_CMD_UNLZ4 is not set
+# CONFIG_CMD_UNZIP is not set
+CONFIG_CMD_DM=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_GPT_RENAME=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_READ=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_WRITE=y
+CONFIG_CMD_SETEXPR_FMT=y
+CONFIG_CMD_XXD=y
+CONFIG_CMD_TFTPSRV=y
+CONFIG_CMD_RARP=y
+CONFIG_CMD_CDP=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_LINK_LOCAL=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_DNS=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_WGET=y
+CONFIG_CMD_PXE=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_PSTORE=y
+CONFIG_CMD_PSTORE_MEM_ADDR=0x42ff0000
+CONFIG_CMD_UUID=y
+CONFIG_CMD_HASH=y
+CONFIG_CMD_SMC=y
+CONFIG_CMD_FAT=y
+CONFIG_PARTITION_TYPE_GUID=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_USE_DEFAULT_ENV_TEXT_FILE=y
+CONFIG_ENV_DEFAULT_ENV_TEXT_FILE="defenvs/glinet_gl-mt2500_env"
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_VERSION_VARIABLE=y
+CONFIG_NETCONSOLE=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_BUTTON=y
+CONFIG_BUTTON_GPIO=y
+CONFIG_CLK=y
+CONFIG_GPIO_HOG=y
+CONFIG_LED=y
+CONFIG_LED_BLINK=y
+CONFIG_LED_GPIO=y
+CONFIG_MMC_HS200_SUPPORT=y
+CONFIG_MMC_MTK=y
+CONFIG_PHY_FIXED=y
+CONFIG_MEDIATEK_ETH=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_PINCTRL_MT7981=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_MTK_POWER_DOMAIN=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_SERIAL=y
+CONFIG_SERIAL_RX_BUFFER=y
+CONFIG_MTK_SERIAL=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_MTK=y
+CONFIG_USB_STORAGE=y
+CONFIG_HEXDUMP=y
--- /dev/null
+++ b/defenvs/glinet_gl-mt2500_env
@@ -0,0 +1,47 @@
+bootcmd=run boot_system
+boot_default=if env exists flag_recover ; then else run bootcmd ; fi ; run boot_tftp_forever
+bootdelay=0
+bootfile_bl2=openwrt-mediatek-filogic-glinet_gl-mt2500-emmc-preloader.bin
+bootfile_fip=openwrt-mediatek-filogic-glinet_gl-mt2500-emmc-bl31-uboot.fip
+bootfile_firmware=openwrt-mediatek-filogic-glinet_gl-mt2500-squashfs-factory.bin
+bootfile=openwrt-mediatek-filogic-glinet_gl-mt2500-initramfs-kernel.bin
+boot_first=if button reset ; then run boot_tftp ; setenv flag_recover 1 ; run boot_default ; fi ; bootmenu
+bootmenu_0d=Run default boot command.=run boot_default
+bootmenu_0=Initialize environment.=run _firstboot
+bootmenu_1=Boot system from eMMC.=run boot_system
+bootmenu_2=Load Firmware via TFTP then write to eMMC.=run load_tftp_firmware ; run bootmenu_confirm_return
+bootmenu_3=Boot system via TFTP.=run boot_tftp ; run bootmenu_confirm_return
+bootmenu_4=[31mLoad BL31+U-Boot FIP via TFTP then write to eMMC.[0m=run load_tftp_fip ; run bootmenu_confirm_return
+bootmenu_5=[31mLoad BL2 preloader via TFTP then write to eMMC.[0m=run load_tftp_bl2 ; run bootmenu_confirm_return
+bootmenu_6=Reboot.=reset
+bootmenu_7=Reset all settings to factory defaults.=run reset_factory ; run bootmenu_confirm_return
+bootmenu_confirm_return=askenv - Press ENTER to return to menu ; bootmenu 60
+bootmenu_title=      [0;34m( ( ( [1;39mOpenWrt[0;34m ) ) )[0m
+boot_system=part start mmc 0 kernel part_addr && part size mmc 0 kernel part_size && run mmc_read_kernel && bootm
+boot_tftp_forever=while true ; do run boot_tftp ; sleep 1 ; done
+boot_tftp=tftpboot $loadaddr $bootfile && bootm $loadaddr
+country_code_factory=setexpr macoffs $loadaddr + 0x88 ; env readmem country_code $macoffs 0x2 ; setenv country_code_factory ; setenv macoffs
+ddns_factory=setexpr macoffs $loadaddr + 0x10 ; env readmem ddns $macoffs 0x10 ; setenv ddns_factory ; setenv macoffs
+emmc_write_bl2=run filesize_to_blk && test 0x$cnt -le 0x800 && mmc partconf 0 1 1 1 && mmc write $loadaddr 0x0 0x800 ; mmc partconf 0 1 1 0
+emmc_write_fip=part start mmc 0 fip part_addr && part size mmc 0 fip part_size && run filesize_to_blk && test 0x$cnt -le 0x$part_size && mmc write $loadaddr $part_addr $cnt
+emmc_write_firmware=part start mmc 0 kernel part_addr && run filesize_to_blk && mmc write $loadaddr $part_addr $cnt
+env_cleanup=setenv load_factory_data ; setenv env_cleanup
+ethaddr_factory=setenv ethaddr $lan_mac ; setenv ethaddr_factory
+filesize_to_blk=setexpr cnt $filesize + 0x1ff && setexpr cnt $cnt / 0x200
+ipaddr=192.168.1.1
+lan_mac_factory=setexpr lan_mac_tmp gsub ":" "" 0x$wan_mac ; setexpr lan_mac_tmp $lan_mac_tmp + 1 ; setexpr lan_mac_tmp gsub "\\(..\\)" "\\\\1:" $lan_mac_tmp ; setexpr lan_mac fmt "%.17s" $lan_mac_tmp; setenv lan_mac_tmp ; setenv lan_mac_factory
+loadaddr=0x50000000
+load_factory_data=mmc dev 0 2 ; mmc read $loadaddr 0x0 0x100 ; mmc dev 0
+load_tftp_fip=tftpboot $loadaddr $bootfile_fip && run emmc_write_fip
+load_tftp_bl2=tftpboot $loadaddr $bootfile_bl2 && run emmc_write_bl2
+load_tftp_firmware=tftpboot $loadaddr $bootfile_firmware && run emmc_write_firmware
+mmc_read_kernel=mmc read $loadaddr $part_addr 0x100 && imszb $loadaddr image_size && test 0x$image_size -le 0x$part_size && mmc read $loadaddr $part_addr $image_size
+reset_factory=eraseenv && reset
+serverip=192.168.1.10
+sn_bak_factory=setexpr macoffs $loadaddr + 0x20 ; env readmem sn_bak $macoffs 0x10 ; setenv sn_bak_factory ; setenv macoffs
+sn_factory=setexpr macoffs $loadaddr + 0x30 ; env readmem sn $macoffs 0x10 ; setenv sn_factory ; setenv macoffs
+wan_mac_factory=setexpr macoffs $loadaddr + 0xa ; env readmem -b wan_mac $macoffs 0x6 ; setenv wan_mac_factory ; setenv macoffs
+_bootmenu_update_title=setenv _bootmenu_update_title ; setenv bootmenu_title "$bootmenu_title       [33m$ver[0m"
+_firstboot=setenv _firstboot ; run _switch_to_menu ; run load_factory_data ; run wan_mac_factory ; run lan_mac_factory ; run ddns_factory ; run sn_factory ; run sn_bak_factory ; run country_code_factory ; run env_cleanup ; run ethaddr_factory ; run _init_env ; run boot_first
+_init_env=setenv _init_env ; saveenv
+_switch_to_menu=setenv _switch_to_menu ; setenv bootdelay 3 ; setenv bootmenu_delay 3 ; setenv bootmenu_0 $bootmenu_0d ; setenv bootmenu_0d ; run _bootmenu_update_title
