diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h
index bc183ab6abb5373d6b86c359cb62b1969a414fa2..384a4662ef9f5e65486c24bfc4b7bec11b80d633 100644
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/machine.h
@@ -37,6 +37,7 @@ enum ramips_mach_type {
 	RAMIPS_MACH_WL_330N3G,		/* Asus WL-330N3G */
 
 	/* RT3052 based machines */
+	RAMIPS_MACH_3G300M,		/* Tenda 3G300M */
 	RAMIPS_MACH_ALL0239_3G,		/* ALL0239-3G */
 	RAMIPS_MACH_ARGUS_ATP52B,	/* Argus ATP-52B */
 	RAMIPS_MACH_BC2,		/* NexAira BC2 */
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/Kconfig b/target/linux/ramips/files/arch/mips/ralink/rt305x/Kconfig
index 4eb946ee433d4a045162d0b7255c661c9cf96903..97258de47ad478df710267899f4b231362afc51c 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/Kconfig
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/Kconfig
@@ -12,6 +12,11 @@ config RT305X_MACH_3G_6200N
 	select RALINK_DEV_GPIO_BUTTONS
 	select RALINK_DEV_GPIO_LEDS
 
+config RT305X_MACH_3G300M
+	bool "Tenda 3G300M board support"
+	select RALINK_DEV_GPIO_BUTTONS
+	select RALINK_DEV_GPIO_LEDS
+
 config RT305X_MACH_WR6202
 	bool "Accton WR6202"
 	select RALINK_DEV_GPIO_BUTTONS
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile b/target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile
index 8fa75352b12b23b147183231c59d14dd98a724d8..d38765cba827bf65b07c1b547e314558640085d7 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile
@@ -12,6 +12,7 @@ obj-y	:= irq.o setup.o devices.o rt305x.o clock.o
 obj-$(CONFIG_EARLY_PRINTK)		+= early_printk.o
 
 obj-$(CONFIG_RT305X_MACH_3G_6200N)	+= mach-3g-6200n.o
+obj-$(CONFIG_RT305X_MACH_3G300M)	+= mach-3g300m.o
 obj-$(CONFIG_RT305X_MACH_ARGUS_ATP52B)	+= mach-argus-atp52b.o
 obj-$(CONFIG_RT305X_MACH_BC2)		+= mach-bc2.o
 obj-$(CONFIG_RT305X_MACH_AIR3GII)	+= mach-air3gii.o
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-3g300m.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-3g300m.c
new file mode 100644
index 0000000000000000000000000000000000000000..e4993b303e117b005adbc7e2abb469ec1560f648
--- /dev/null
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-3g300m.c
@@ -0,0 +1,126 @@
+/*
+ *  Tenda 3G300M board support
+ *
+ *  Copyright (C) 2013 Cezary Jackiewicz <cezary.jackiewicz@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-ralink/machine.h>
+#include <asm/mach-ralink/dev-gpio-buttons.h>
+#include <asm/mach-ralink/dev-gpio-leds.h>
+#include <asm/mach-ralink/rt305x.h>
+#include <asm/mach-ralink/rt305x_regs.h>
+
+#include "devices.h"
+
+#define TENDA_3G300M_GPIO_BUTTON_RESET		0
+#define TENDA_3G300M_GPIO_BUTTON_MODE		10
+
+#define TENDA_3G300M_GPIO_LED_3GROUTER		11
+#define TENDA_3G300M_GPIO_LED_AP		12
+#define TENDA_3G300M_GPIO_LED_WISPROUTER	9
+#define TENDA_3G300M_GPIO_LED_WIRELESSROUTER	13
+#define TENDA_3G300M_GPIO_LED_3G		7
+#define TENDA_3G300M_GPIO_LED_WPSRESET		14
+
+#define TENDA_3G300M_KEYS_POLL_INTERVAL	20
+#define TENDA_3G300M_KEYS_DEBOUNCE_INTERVAL	(3 * TENDA_3G300M_KEYS_POLL_INTERVAL)
+
+const struct flash_platform_data tenda_3g300m_flash = {
+	.type		= "mx25l3205d",
+};
+
+struct spi_board_info tenda_3g300m_spi_slave_info[] __initdata = {
+	{
+		.modalias	= "m25p80",
+		.platform_data	= &tenda_3g300m_flash,
+		.irq		= -1,
+		.max_speed_hz	= 10000000,
+		.bus_num	= 0,
+		.chip_select	= 0,
+	}
+};
+
+static struct gpio_led tenda_3g300m_leds_gpio[] __initdata = {
+        {
+		.name		= "tenda:blue:3grouter",
+		.gpio		= TENDA_3G300M_GPIO_LED_3GROUTER,
+		.active_low	= 1,
+	},{
+		.name		= "tenda:blue:ap",
+		.gpio		= TENDA_3G300M_GPIO_LED_AP,
+		.active_low	= 1,
+	},{
+		.name		= "tenda:blue:wisprouter",
+		.gpio		= TENDA_3G300M_GPIO_LED_WISPROUTER,
+		.active_low	= 1,
+	},{
+		.name		= "tenda:blue:wirelessrouter",
+		.gpio		= TENDA_3G300M_GPIO_LED_WIRELESSROUTER,
+		.active_low	= 1,
+	},{
+		.name		= "tenda:blue:3g",
+		.gpio		= TENDA_3G300M_GPIO_LED_3G,
+		.active_low	= 1,
+	},{
+		.name		= "tenda:blue:wpsreset",
+		.gpio		= TENDA_3G300M_GPIO_LED_WPSRESET,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_keys_button tenda_3g300m_gpio_buttons[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = TENDA_3G300M_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= TENDA_3G300M_GPIO_BUTTON_RESET,
+		.active_low	= 1,
+	},{
+		.desc		= "mode",
+		.type		= EV_KEY,
+		.code		= BTN_0,
+		.debounce_interval = TENDA_3G300M_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= TENDA_3G300M_GPIO_BUTTON_MODE,
+		.active_low	= 1,
+	}
+};
+
+static void __init tenda_3g300m_init(void)
+{
+	rt305x_gpio_init((RT305X_GPIO_MODE_GPIO <<
+			 RT305X_GPIO_MODE_UART0_SHIFT) |
+			 RT305X_GPIO_MODE_JTAG);
+
+	rt305x_register_spi(tenda_3g300m_spi_slave_info,
+			ARRAY_SIZE(tenda_3g300m_spi_slave_info));
+
+	ramips_register_gpio_leds(-1, ARRAY_SIZE(tenda_3g300m_leds_gpio),
+			tenda_3g300m_leds_gpio);
+
+	ramips_register_gpio_buttons(-1, TENDA_3G300M_KEYS_POLL_INTERVAL,
+			ARRAY_SIZE(tenda_3g300m_gpio_buttons),
+			tenda_3g300m_gpio_buttons);
+
+	rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
+	rt305x_register_ethernet();
+
+	rt305x_register_wifi();
+
+	rt305x_register_wdt();
+
+	rt305x_register_usb();
+}
+
+MIPS_MACHINE(RAMIPS_MACH_3G300M, "3G300M", "Tenda 3G300M",
+		tenda_3g300m_init);
diff --git a/target/linux/ramips/rt305x/config-3.7 b/target/linux/ramips/rt305x/config-3.7
index 1170b8fb7b3afe8d837a729b69cff810b36eb6f2..d26a4191428d7baabbb53a8ba165a51fd318783d 100644
--- a/target/linux/ramips/rt305x/config-3.7
+++ b/target/linux/ramips/rt305x/config-3.7
@@ -103,6 +103,7 @@ CONFIG_RALINK_RT305X=y
 # CONFIG_RALINK_RT3883 is not set
 CONFIG_RAMIPS_WDT=y
 CONFIG_RT305X_MACH_3G_6200N=y
+CONFIG_RT305X_MACH_3G300M=y
 CONFIG_RT305X_MACH_AIR3GII=y
 CONFIG_RT305X_MACH_ALL0256N=y
 CONFIG_RT305X_MACH_ALL5002=y