ramips: move and rename out-of-tree mtk eth driver

move the driver into shared 'files' directory and rename all symbols
from mediatek/mtk to ralink.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>

26 files changed, 8616 insertions, 0 deletions

diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/Kconfig b/target/linux/ramips/files/drivers/net/ethernet/ralink/Kconfig
new file mode 100644
index 0000000000..51cace5333
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/Kconfig
@@ -0,0 +1,70 @@
+config NET_VENDOR_RALINK
+	tristate "Ralink ethernet driver"
+	depends on RALINK
+	help
+	  This driver supports the ethernet mac inside Ralink WiSoCs
+
+config NET_RALINK_SOC
+	def_tristate NET_VENDOR_RALINK
+
+if NET_RALINK_SOC
+choice
+	prompt "MAC type"
+
+config NET_RALINK_RT2880
+	bool "RT2882"
+	depends on MIPS && SOC_RT288X
+
+config NET_RALINK_RT3050
+	bool "RT3050/MT7628"
+	depends on MIPS && (SOC_RT305X || SOC_MT7620)
+
+config NET_RALINK_RT3883
+	bool "RT3883"
+	depends on MIPS && SOC_RT3883
+
+config NET_RALINK_MT7620
+	bool "MT7620"
+	depends on MIPS && SOC_MT7620
+
+config NET_RALINK_MT7621
+	bool "MT7621"
+	depends on MIPS && SOC_MT7621
+
+endchoice
+
+config NET_RALINK_OFFLOAD
+	def_bool NET_RALINK_SOC
+	depends on NET_RALINK_MT7621
+
+config NET_RALINK_HW_QOS
+	def_bool NET_RALINK_SOC
+	depends on NET_RALINK_MT7623
+
+config NET_RALINK_MDIO
+	def_bool NET_RALINK_SOC
+	depends on (NET_RALINK_RT2880 || NET_RALINK_RT3883 || NET_RALINK_MT7620 || NET_RALINK_MT7621)
+	select PHYLIB
+
+config NET_RALINK_MDIO_RT2880
+	def_bool NET_RALINK_SOC
+	depends on (NET_RALINK_RT2880 || NET_RALINK_RT3883)
+	select NET_RALINK_MDIO
+
+config NET_RALINK_MDIO_MT7620
+	def_bool NET_RALINK_SOC
+	depends on (NET_RALINK_MT7620 || NET_RALINK_MT7621)
+	select NET_RALINK_MDIO
+
+config NET_RALINK_ESW_RT3050
+	def_tristate NET_RALINK_SOC
+	depends on NET_RALINK_RT3050
+
+config NET_RALINK_GSW_MT7620
+	def_tristate NET_RALINK_SOC
+	depends on NET_RALINK_MT7620
+
+config NET_RALINK_GSW_MT7621
+	def_tristate NET_RALINK_SOC
+	depends on NET_RALINK_MT7621
+endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/Makefile b/target/linux/ramips/files/drivers/net/ethernet/ralink/Makefile
new file mode 100644
index 0000000000..eba21643b2
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/Makefile
@@ -0,0 +1,22 @@
+#
+# Makefile for the Ralink SoCs built-in ethernet macs
+#
+
+ralink-eth-y					+= mtk_eth_soc.o ethtool.o
+
+ralink-eth-$(CONFIG_NET_RALINK_MDIO)		+= mdio.o
+ralink-eth-$(CONFIG_NET_RALINK_MDIO_RT2880)	+= mdio_rt2880.o
+ralink-eth-$(CONFIG_NET_RALINK_MDIO_MT7620)	+= mdio_mt7620.o
+
+ralink-eth-$(CONFIG_NET_RALINK_OFFLOAD)	+= mtk_offload.o mtk_debugfs.o
+
+ralink-eth-$(CONFIG_NET_RALINK_RT2880)	+= soc_rt2880.o
+ralink-eth-$(CONFIG_NET_RALINK_RT3050)	+= soc_rt3050.o
+ralink-eth-$(CONFIG_NET_RALINK_RT3883)	+= soc_rt3883.o
+ralink-eth-$(CONFIG_NET_RALINK_MT7620)	+= soc_mt7620.o
+ralink-eth-$(CONFIG_NET_RALINK_MT7621)	+= soc_mt7621.o
+
+obj-$(CONFIG_NET_RALINK_ESW_RT3050)		+= esw_rt3050.o
+obj-$(CONFIG_NET_RALINK_GSW_MT7620)		+= gsw_mt7620.o mt7530.o
+obj-$(CONFIG_NET_RALINK_GSW_MT7621)		+= gsw_mt7621.o mt7530.o
+obj-$(CONFIG_NET_RALINK_SOC)			+= ralink-eth.o
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.c
new file mode 100644
index 0000000000..292f11a170
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.c
@@ -0,0 +1,1465 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ *   Copyright (C) 2016 Vittorio Gambaletta <openwrt@vittgam.net>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <asm/mach-ralink/ralink_regs.h>
+#include <linux/of_irq.h>
+
+#include <linux/switch.h>
+
+#include "mtk_eth_soc.h"
+
+/* HW limitations for this switch:
+ * - No large frame support (PKT_MAX_LEN at most 1536)
+ * - Can't have untagged vlan and tagged vlan on one port at the same time,
+ *   though this might be possible using the undocumented PPE.
+ */
+
+#define RT305X_ESW_REG_ISR		0x00
+#define RT305X_ESW_REG_IMR		0x04
+#define RT305X_ESW_REG_FCT0		0x08
+#define RT305X_ESW_REG_PFC1		0x14
+#define RT305X_ESW_REG_ATS		0x24
+#define RT305X_ESW_REG_ATS0		0x28
+#define RT305X_ESW_REG_ATS1		0x2c
+#define RT305X_ESW_REG_ATS2		0x30
+#define RT305X_ESW_REG_PVIDC(_n)	(0x40 + 4 * (_n))
+#define RT305X_ESW_REG_VLANI(_n)	(0x50 + 4 * (_n))
+#define RT305X_ESW_REG_VMSC(_n)		(0x70 + 4 * (_n))
+#define RT305X_ESW_REG_POA		0x80
+#define RT305X_ESW_REG_FPA		0x84
+#define RT305X_ESW_REG_SOCPC		0x8c
+#define RT305X_ESW_REG_POC0		0x90
+#define RT305X_ESW_REG_POC1		0x94
+#define RT305X_ESW_REG_POC2		0x98
+#define RT305X_ESW_REG_SGC		0x9c
+#define RT305X_ESW_REG_STRT		0xa0
+#define RT305X_ESW_REG_PCR0		0xc0
+#define RT305X_ESW_REG_PCR1		0xc4
+#define RT305X_ESW_REG_FPA2		0xc8
+#define RT305X_ESW_REG_FCT2		0xcc
+#define RT305X_ESW_REG_SGC2		0xe4
+#define RT305X_ESW_REG_P0LED		0xa4
+#define RT305X_ESW_REG_P1LED		0xa8
+#define RT305X_ESW_REG_P2LED		0xac
+#define RT305X_ESW_REG_P3LED		0xb0
+#define RT305X_ESW_REG_P4LED		0xb4
+#define RT305X_ESW_REG_PXPC(_x)		(0xe8 + (4 * _x))
+#define RT305X_ESW_REG_P1PC		0xec
+#define RT305X_ESW_REG_P2PC		0xf0
+#define RT305X_ESW_REG_P3PC		0xf4
+#define RT305X_ESW_REG_P4PC		0xf8
+#define RT305X_ESW_REG_P5PC		0xfc
+
+#define RT305X_ESW_LED_LINK		0
+#define RT305X_ESW_LED_100M		1
+#define RT305X_ESW_LED_DUPLEX		2
+#define RT305X_ESW_LED_ACTIVITY		3
+#define RT305X_ESW_LED_COLLISION	4
+#define RT305X_ESW_LED_LINKACT		5
+#define RT305X_ESW_LED_DUPLCOLL		6
+#define RT305X_ESW_LED_10MACT		7
+#define RT305X_ESW_LED_100MACT		8
+/* Additional led states not in datasheet: */
+#define RT305X_ESW_LED_BLINK		10
+#define RT305X_ESW_LED_ON		12
+
+#define RT305X_ESW_LINK_S		25
+#define RT305X_ESW_DUPLEX_S		9
+#define RT305X_ESW_SPD_S		0
+
+#define RT305X_ESW_PCR0_WT_NWAY_DATA_S	16
+#define RT305X_ESW_PCR0_WT_PHY_CMD	BIT(13)
+#define RT305X_ESW_PCR0_CPU_PHY_REG_S	8
+
+#define RT305X_ESW_PCR1_WT_DONE		BIT(0)
+
+#define RT305X_ESW_ATS_TIMEOUT		(5 * HZ)
+#define RT305X_ESW_PHY_TIMEOUT		(5 * HZ)
+
+#define RT305X_ESW_PVIDC_PVID_M		0xfff
+#define RT305X_ESW_PVIDC_PVID_S		12
+
+#define RT305X_ESW_VLANI_VID_M		0xfff
+#define RT305X_ESW_VLANI_VID_S		12
+
+#define RT305X_ESW_VMSC_MSC_M		0xff
+#define RT305X_ESW_VMSC_MSC_S		8
+
+#define RT305X_ESW_SOCPC_DISUN2CPU_S	0
+#define RT305X_ESW_SOCPC_DISMC2CPU_S	8
+#define RT305X_ESW_SOCPC_DISBC2CPU_S	16
+#define RT305X_ESW_SOCPC_CRC_PADDING	BIT(25)
+
+#define RT305X_ESW_POC0_EN_BP_S		0
+#define RT305X_ESW_POC0_EN_FC_S		8
+#define RT305X_ESW_POC0_DIS_RMC2CPU_S	16
+#define RT305X_ESW_POC0_DIS_PORT_M	0x7f
+#define RT305X_ESW_POC0_DIS_PORT_S	23
+
+#define RT305X_ESW_POC2_UNTAG_EN_M	0xff
+#define RT305X_ESW_POC2_UNTAG_EN_S	0
+#define RT305X_ESW_POC2_ENAGING_S	8
+#define RT305X_ESW_POC2_DIS_UC_PAUSE_S	16
+
+#define RT305X_ESW_SGC2_DOUBLE_TAG_M	0x7f
+#define RT305X_ESW_SGC2_DOUBLE_TAG_S	0
+#define RT305X_ESW_SGC2_LAN_PMAP_M	0x3f
+#define RT305X_ESW_SGC2_LAN_PMAP_S	24
+
+#define RT305X_ESW_PFC1_EN_VLAN_M	0xff
+#define RT305X_ESW_PFC1_EN_VLAN_S	16
+#define RT305X_ESW_PFC1_EN_TOS_S	24
+
+#define RT305X_ESW_VLAN_NONE		0xfff
+
+#define RT305X_ESW_GSC_BC_STROM_MASK	0x3
+#define RT305X_ESW_GSC_BC_STROM_SHIFT	4
+
+#define RT305X_ESW_GSC_LED_FREQ_MASK	0x3
+#define RT305X_ESW_GSC_LED_FREQ_SHIFT	23
+
+#define RT305X_ESW_POA_LINK_MASK	0x1f
+#define RT305X_ESW_POA_LINK_SHIFT	25
+
+#define RT305X_ESW_PORT_ST_CHG		BIT(26)
+#define RT305X_ESW_PORT0		0
+#define RT305X_ESW_PORT1		1
+#define RT305X_ESW_PORT2		2
+#define RT305X_ESW_PORT3		3
+#define RT305X_ESW_PORT4		4
+#define RT305X_ESW_PORT5		5
+#define RT305X_ESW_PORT6		6
+
+#define RT305X_ESW_PORTS_NONE		0
+
+#define RT305X_ESW_PMAP_LLLLLL		0x3f
+#define RT305X_ESW_PMAP_LLLLWL		0x2f
+#define RT305X_ESW_PMAP_WLLLLL		0x3e
+
+#define RT305X_ESW_PORTS_INTERNAL					\
+		(BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) |	\
+		 BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) |	\
+		 BIT(RT305X_ESW_PORT4))
+
+#define RT305X_ESW_PORTS_NOCPU						\
+		(RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5))
+
+#define RT305X_ESW_PORTS_CPU	BIT(RT305X_ESW_PORT6)
+
+#define RT305X_ESW_PORTS_ALL						\
+		(RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU)
+
+#define RT305X_ESW_NUM_VLANS		16
+#define RT305X_ESW_NUM_VIDS		4096
+#define RT305X_ESW_NUM_PORTS		7
+#define RT305X_ESW_NUM_LANWAN		6
+#define RT305X_ESW_NUM_LEDS		5
+
+#define RT5350_ESW_REG_PXTPC(_x)	(0x150 + (4 * _x))
+#define RT5350_EWS_REG_LED_POLARITY	0x168
+#define RT5350_RESET_EPHY		BIT(24)
+
+enum {
+	/* Global attributes. */
+	RT305X_ESW_ATTR_ENABLE_VLAN,
+	RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
+	RT305X_ESW_ATTR_BC_STATUS,
+	RT305X_ESW_ATTR_LED_FREQ,
+	/* Port attributes. */
+	RT305X_ESW_ATTR_PORT_DISABLE,
+	RT305X_ESW_ATTR_PORT_DOUBLETAG,
+	RT305X_ESW_ATTR_PORT_UNTAG,
+	RT305X_ESW_ATTR_PORT_LED,
+	RT305X_ESW_ATTR_PORT_LAN,
+	RT305X_ESW_ATTR_PORT_RECV_BAD,
+	RT305X_ESW_ATTR_PORT_RECV_GOOD,
+	RT5350_ESW_ATTR_PORT_TR_BAD,
+	RT5350_ESW_ATTR_PORT_TR_GOOD,
+};
+
+struct esw_port {
+	bool	disable;
+	bool	doubletag;
+	bool	untag;
+	u8	led;
+	u16	pvid;
+};
+
+struct esw_vlan {
+	u8	ports;
+	u16	vid;
+};
+
+enum {
+	RT305X_ESW_VLAN_CONFIG_NONE = 0,
+	RT305X_ESW_VLAN_CONFIG_LLLLW,
+	RT305X_ESW_VLAN_CONFIG_WLLLL,
+};
+
+struct rt305x_esw {
+	struct device		*dev;
+	void __iomem		*base;
+	int			irq;
+
+	/* Protects against concurrent register r/w operations. */
+	spinlock_t		reg_rw_lock;
+
+	unsigned char		port_map;
+	unsigned char		port_disable;
+	unsigned int		reg_initval_fct2;
+	unsigned int		reg_initval_fpa2;
+	unsigned int		reg_led_polarity;
+
+	struct switch_dev	swdev;
+	bool			global_vlan_enable;
+	bool			alt_vlan_disable;
+	int			bc_storm_protect;
+	int			led_frequency;
+	struct esw_vlan vlans[RT305X_ESW_NUM_VLANS];
+	struct esw_port ports[RT305X_ESW_NUM_PORTS];
+
+};
+
+static inline void esw_w32(struct rt305x_esw *esw, u32 val, unsigned reg)
+{
+	__raw_writel(val, esw->base + reg);
+}
+
+static inline u32 esw_r32(struct rt305x_esw *esw, unsigned reg)
+{
+	return __raw_readl(esw->base + reg);
+}
+
+static inline void esw_rmw_raw(struct rt305x_esw *esw, unsigned reg,
+			       unsigned long mask, unsigned long val)
+{
+	unsigned long t;
+
+	t = __raw_readl(esw->base + reg) & ~mask;
+	__raw_writel(t | val, esw->base + reg);
+}
+
+static void esw_rmw(struct rt305x_esw *esw, unsigned reg,
+		    unsigned long mask, unsigned long val)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&esw->reg_rw_lock, flags);
+	esw_rmw_raw(esw, reg, mask, val);
+	spin_unlock_irqrestore(&esw->reg_rw_lock, flags);
+}
+
+static u32 rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr,
+			    u32 phy_register, u32 write_data)
+{
+	unsigned long t_start = jiffies;
+	int ret = 0;
+
+	while (1) {
+		if (!(esw_r32(esw, RT305X_ESW_REG_PCR1) &
+		      RT305X_ESW_PCR1_WT_DONE))
+			break;
+		if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
+			ret = 1;
+			goto out;
+		}
+	}
+
+	write_data &= 0xffff;
+	esw_w32(esw, (write_data << RT305X_ESW_PCR0_WT_NWAY_DATA_S) |
+		      (phy_register << RT305X_ESW_PCR0_CPU_PHY_REG_S) |
+		      (phy_addr) | RT305X_ESW_PCR0_WT_PHY_CMD,
+		RT305X_ESW_REG_PCR0);
+
+	t_start = jiffies;
+	while (1) {
+		if (esw_r32(esw, RT305X_ESW_REG_PCR1) &
+			    RT305X_ESW_PCR1_WT_DONE)
+			break;
+
+		if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
+			ret = 1;
+			break;
+		}
+	}
+out:
+	if (ret)
+		dev_err(esw->dev, "ramips_eth: MDIO timeout\n");
+	return ret;
+}
+
+static unsigned esw_get_vlan_id(struct rt305x_esw *esw, unsigned vlan)
+{
+	unsigned s;
+	unsigned val;
+
+	s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
+	val = esw_r32(esw, RT305X_ESW_REG_VLANI(vlan / 2));
+	val = (val >> s) & RT305X_ESW_VLANI_VID_M;
+
+	return val;
+}
+
+static void esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid)
+{
+	unsigned s;
+
+	s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
+	esw_rmw(esw,
+		       RT305X_ESW_REG_VLANI(vlan / 2),
+		       RT305X_ESW_VLANI_VID_M << s,
+		       (vid & RT305X_ESW_VLANI_VID_M) << s);
+}
+
+static unsigned esw_get_pvid(struct rt305x_esw *esw, unsigned port)
+{
+	unsigned s, val;
+
+	s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
+	val = esw_r32(esw, RT305X_ESW_REG_PVIDC(port / 2));
+	return (val >> s) & RT305X_ESW_PVIDC_PVID_M;
+}
+
+static void esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid)
+{
+	unsigned s;
+
+	s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
+	esw_rmw(esw,
+		       RT305X_ESW_REG_PVIDC(port / 2),
+		       RT305X_ESW_PVIDC_PVID_M << s,
+		       (pvid & RT305X_ESW_PVIDC_PVID_M) << s);
+}
+
+static unsigned esw_get_vmsc(struct rt305x_esw *esw, unsigned vlan)
+{
+	unsigned s, val;
+
+	s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
+	val = esw_r32(esw, RT305X_ESW_REG_VMSC(vlan / 4));
+	val = (val >> s) & RT305X_ESW_VMSC_MSC_M;
+
+	return val;
+}
+
+static void esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc)
+{
+	unsigned s;
+
+	s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
+	esw_rmw(esw,
+		       RT305X_ESW_REG_VMSC(vlan / 4),
+		       RT305X_ESW_VMSC_MSC_M << s,
+		       (msc & RT305X_ESW_VMSC_MSC_M) << s);
+}
+
+static unsigned esw_get_port_disable(struct rt305x_esw *esw)
+{
+	unsigned reg;
+
+	reg = esw_r32(esw, RT305X_ESW_REG_POC0);
+	return (reg >> RT305X_ESW_POC0_DIS_PORT_S) &
+	       RT305X_ESW_POC0_DIS_PORT_M;
+}
+
+static void esw_set_port_disable(struct rt305x_esw *esw, unsigned disable_mask)
+{
+	unsigned old_mask;
+	unsigned enable_mask;
+	unsigned changed;
+	int i;
+
+	old_mask = esw_get_port_disable(esw);
+	changed = old_mask ^ disable_mask;
+	enable_mask = old_mask & disable_mask;
+
+	/* enable before writing to MII */
+	esw_rmw(esw, RT305X_ESW_REG_POC0,
+		       (RT305X_ESW_POC0_DIS_PORT_M <<
+			RT305X_ESW_POC0_DIS_PORT_S),
+		       enable_mask << RT305X_ESW_POC0_DIS_PORT_S);
+
+	for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) {
+		if (!(changed & (1 << i)))
+			continue;
+		if (disable_mask & (1 << i)) {
+			/* disable */
+			rt305x_mii_write(esw, i, MII_BMCR,
+					 BMCR_PDOWN);
+		} else {
+			/* enable */
+			rt305x_mii_write(esw, i, MII_BMCR,
+					 BMCR_FULLDPLX |
+					 BMCR_ANENABLE |
+					 BMCR_ANRESTART |
+					 BMCR_SPEED100);
+		}
+	}
+
+	/* disable after writing to MII */
+	esw_rmw(esw, RT305X_ESW_REG_POC0,
+		       (RT305X_ESW_POC0_DIS_PORT_M <<
+			RT305X_ESW_POC0_DIS_PORT_S),
+		       disable_mask << RT305X_ESW_POC0_DIS_PORT_S);
+}
+
+static void esw_set_gsc(struct rt305x_esw *esw)
+{
+	esw_rmw(esw, RT305X_ESW_REG_SGC,
+		RT305X_ESW_GSC_BC_STROM_MASK << RT305X_ESW_GSC_BC_STROM_SHIFT,
+		esw->bc_storm_protect << RT305X_ESW_GSC_BC_STROM_SHIFT);
+	esw_rmw(esw, RT305X_ESW_REG_SGC,
+		RT305X_ESW_GSC_LED_FREQ_MASK << RT305X_ESW_GSC_LED_FREQ_SHIFT,
+		esw->led_frequency << RT305X_ESW_GSC_LED_FREQ_SHIFT);
+}
+
+static int esw_apply_config(struct switch_dev *dev);
+
+static void esw_hw_init(struct rt305x_esw *esw)
+{
+	int i;
+	u8 port_disable = 0;
+	u8 port_map = RT305X_ESW_PMAP_LLLLLL;
+
+	/* vodoo from original driver */
+	esw_w32(esw, 0xC8A07850, RT305X_ESW_REG_FCT0);
+	esw_w32(esw, 0x00000000, RT305X_ESW_REG_SGC2);
+	/* Port priority 1 for all ports, vlan enabled. */
+	esw_w32(esw, 0x00005555 |
+		     (RT305X_ESW_PORTS_ALL << RT305X_ESW_PFC1_EN_VLAN_S),
+		RT305X_ESW_REG_PFC1);
+
+	/* Enable all ports, Back Pressure and Flow Control */
+	esw_w32(esw, ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_BP_S) |
+		      (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_FC_S)),
+		RT305X_ESW_REG_POC0);
+
+	/* Enable Aging, and VLAN TAG removal */
+	esw_w32(esw, ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC2_ENAGING_S) |
+		      (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)),
+		RT305X_ESW_REG_POC2);
+
+	if (esw->reg_initval_fct2)
+		esw_w32(esw, esw->reg_initval_fct2, RT305X_ESW_REG_FCT2);
+	else
+		esw_w32(esw, 0x0002500c, RT305X_ESW_REG_FCT2);
+
+	/* 300s aging timer, max packet len 1536, broadcast storm prevention
+	 * disabled, disable collision abort, mac xor48 hash, 10 packet back
+	 * pressure jam, GMII disable was_transmit, back pressure disabled,
+	 * 30ms led flash, unmatched IGMP as broadcast, rmc tb fault to all
+	 * ports.
+	 */
+	esw_w32(esw, 0x0008a301, RT305X_ESW_REG_SGC);
+
+	/* Setup SoC Port control register */
+	esw_w32(esw,
+		(RT305X_ESW_SOCPC_CRC_PADDING |
+		(RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) |
+		(RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) |
+		(RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)),
+		RT305X_ESW_REG_SOCPC);
+
+	/* ext phy base addr 31, enable port 5 polling, rx/tx clock skew 1,
+	 * turbo mii off, rgmi 3.3v off
+	 * port5: disabled
+	 * port6: enabled, gige, full-duplex, rx/tx-flow-control
+	 */
+	if (esw->reg_initval_fpa2)
+		esw_w32(esw, esw->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
+	else
+		esw_w32(esw, 0x3f502b28, RT305X_ESW_REG_FPA2);
+	esw_w32(esw, 0x00000000, RT305X_ESW_REG_FPA);
+
+	/* Force Link/Activity on ports */
+	esw_w32(esw, 0x00000005, RT305X_ESW_REG_P0LED);
+	esw_w32(esw, 0x00000005, RT305X_ESW_REG_P1LED);
+	esw_w32(esw, 0x00000005, RT305X_ESW_REG_P2LED);
+	esw_w32(esw, 0x00000005, RT305X_ESW_REG_P3LED);
+	esw_w32(esw, 0x00000005, RT305X_ESW_REG_P4LED);
+
+	/* Copy disabled port configuration from device tree setup */
+	port_disable = esw->port_disable;
+
+	/* Disable nonexistent ports by reading the switch config
+	 * after having enabled all possible ports above
+	 */
+	port_disable |= esw_get_port_disable(esw);
+
+	for (i = 0; i < 6; i++)
+		esw->ports[i].disable = (port_disable & (1 << i)) != 0;
+
+	if (ralink_soc == RT305X_SOC_RT3352) {
+		/* reset EPHY */
+		fe_reset(RT5350_RESET_EPHY);
+
+		rt305x_mii_write(esw, 0, 31, 0x8000);
+		for (i = 0; i < 5; i++) {
+			if (esw->ports[i].disable) {
+				rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
+			} else {
+				rt305x_mii_write(esw, i, MII_BMCR,
+						 BMCR_FULLDPLX |
+						 BMCR_ANENABLE |
+						 BMCR_SPEED100);
+			}
+			/* TX10 waveform coefficient LSB=0 disable PHY */
+			rt305x_mii_write(esw, i, 26, 0x1601);
+			/* TX100/TX10 AD/DA current bias */
+			rt305x_mii_write(esw, i, 29, 0x7016);
+			/* TX100 slew rate control */
+			rt305x_mii_write(esw, i, 30, 0x0038);
+		}
+
+		/* select global register */
+		rt305x_mii_write(esw, 0, 31, 0x0);
+		/* enlarge agcsel threshold 3 and threshold 2 */
+		rt305x_mii_write(esw, 0, 1, 0x4a40);
+		/* enlarge agcsel threshold 5 and threshold 4 */
+		rt305x_mii_write(esw, 0, 2, 0x6254);
+		/* enlarge agcsel threshold  */
+		rt305x_mii_write(esw, 0, 3, 0xa17f);
+		rt305x_mii_write(esw, 0, 12, 0x7eaa);
+		/* longer TP_IDL tail length */
+		rt305x_mii_write(esw, 0, 14, 0x65);
+		/* increased squelch pulse count threshold. */
+		rt305x_mii_write(esw, 0, 16, 0x0684);
+		/* set TX10 signal amplitude threshold to minimum */
+		rt305x_mii_write(esw, 0, 17, 0x0fe0);
+		/* set squelch amplitude to higher threshold */
+		rt305x_mii_write(esw, 0, 18, 0x40ba);
+		/* tune TP_IDL tail and head waveform, enable power
+		 * down slew rate control
+		 */
+		rt305x_mii_write(esw, 0, 22, 0x253f);
+		/* set PLL/Receive bias current are calibrated */
+		rt305x_mii_write(esw, 0, 27, 0x2fda);
+		/* change PLL/Receive bias current to internal(RT3350) */
+		rt305x_mii_write(esw, 0, 28, 0xc410);
+		/* change PLL bias current to internal(RT3052_MP3) */
+		rt305x_mii_write(esw, 0, 29, 0x598b);
+		/* select local register */
+		rt305x_mii_write(esw, 0, 31, 0x8000);
+	} else if (ralink_soc == RT305X_SOC_RT5350) {
+		/* reset EPHY */
+		fe_reset(RT5350_RESET_EPHY);
+
+		/* set the led polarity */
+		esw_w32(esw, esw->reg_led_polarity & 0x1F,
+			RT5350_EWS_REG_LED_POLARITY);
+
+		/* local registers */
+		rt305x_mii_write(esw, 0, 31, 0x8000);
+		for (i = 0; i < 5; i++) {
+			if (esw->ports[i].disable) {
+				rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
+			} else {
+				rt305x_mii_write(esw, i, MII_BMCR,
+						 BMCR_FULLDPLX |
+						 BMCR_ANENABLE |
+						 BMCR_SPEED100);
+			}
+			/* TX10 waveform coefficient LSB=0 disable PHY */
+			rt305x_mii_write(esw, i, 26, 0x1601);
+			/* TX100/TX10 AD/DA current bias */
+			rt305x_mii_write(esw, i, 29, 0x7015);
+			/* TX100 slew rate control */
+			rt305x_mii_write(esw, i, 30, 0x0038);
+		}
+
+		/* global registers */
+		rt305x_mii_write(esw, 0, 31, 0x0);
+		/* enlarge agcsel threshold 3 and threshold 2 */
+		rt305x_mii_write(esw, 0, 1, 0x4a40);
+		/* enlarge agcsel threshold 5 and threshold 4 */
+		rt305x_mii_write(esw, 0, 2, 0x6254);
+		/* enlarge agcsel threshold 6 */
+		rt305x_mii_write(esw, 0, 3, 0xa17f);
+		rt305x_mii_write(esw, 0, 12, 0x7eaa);
+		/* longer TP_IDL tail length */
+		rt305x_mii_write(esw, 0, 14, 0x65);
+		/* increased squelch pulse count threshold. */
+		rt305x_mii_write(esw, 0, 16, 0x0684);
+		/* set TX10 signal amplitude threshold to minimum */
+		rt305x_mii_write(esw, 0, 17, 0x0fe0);
+		/* set squelch amplitude to higher threshold */
+		rt305x_mii_write(esw, 0, 18, 0x40ba);
+		/* tune TP_IDL tail and head waveform, enable power
+		 * down slew rate control
+		 */
+		rt305x_mii_write(esw, 0, 22, 0x253f);
+		/* set PLL/Receive bias current are calibrated */
+		rt305x_mii_write(esw, 0, 27, 0x2fda);
+		/* change PLL/Receive bias current to internal(RT3350) */
+		rt305x_mii_write(esw, 0, 28, 0xc410);
+		/* change PLL bias current to internal(RT3052_MP3) */
+		rt305x_mii_write(esw, 0, 29, 0x598b);
+		/* select local register */
+		rt305x_mii_write(esw, 0, 31, 0x8000);
+	} else if (ralink_soc == MT762X_SOC_MT7628AN || ralink_soc == MT762X_SOC_MT7688) {
+		int i;
+
+		/* reset EPHY */
+		fe_reset(RT5350_RESET_EPHY);
+
+		/* set the led polarity */
+		esw_w32(esw, esw->reg_led_polarity & 0x1F,
+			RT5350_EWS_REG_LED_POLARITY);
+
+		rt305x_mii_write(esw, 0, 31, 0x2000); /* change G2 page */
+		rt305x_mii_write(esw, 0, 26, 0x0020);
+
+		for (i = 0; i < 5; i++) {
+			rt305x_mii_write(esw, i, 31, 0x8000);
+			rt305x_mii_write(esw, i,  0, 0x3100);
+			rt305x_mii_write(esw, i, 30, 0xa000);
+			rt305x_mii_write(esw, i, 31, 0xa000);
+			rt305x_mii_write(esw, i, 16, 0x0606);
+			rt305x_mii_write(esw, i, 23, 0x0f0e);
+			rt305x_mii_write(esw, i, 24, 0x1610);
+			rt305x_mii_write(esw, i, 30, 0x1f15);
+			rt305x_mii_write(esw, i, 28, 0x6111);
+			rt305x_mii_write(esw, i, 31, 0x2000);
+			rt305x_mii_write(esw, i, 26, 0x0000);
+		}
+
+		/* 100Base AOI setting */
+		rt305x_mii_write(esw, 0, 31, 0x5000);
+		rt305x_mii_write(esw, 0, 19, 0x004a);
+		rt305x_mii_write(esw, 0, 20, 0x015a);
+		rt305x_mii_write(esw, 0, 21, 0x00ee);
+		rt305x_mii_write(esw, 0, 22, 0x0033);
+		rt305x_mii_write(esw, 0, 23, 0x020a);
+		rt305x_mii_write(esw, 0, 24, 0x0000);
+		rt305x_mii_write(esw, 0, 25, 0x024a);
+		rt305x_mii_write(esw, 0, 26, 0x035a);
+		rt305x_mii_write(esw, 0, 27, 0x02ee);
+		rt305x_mii_write(esw, 0, 28, 0x0233);
+		rt305x_mii_write(esw, 0, 29, 0x000a);
+		rt305x_mii_write(esw, 0, 30, 0x0000);
+	} else {
+		rt305x_mii_write(esw, 0, 31, 0x8000);
+		for (i = 0; i < 5; i++) {
+			if (esw->ports[i].disable) {
+				rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
+			} else {
+				rt305x_mii_write(esw, i, MII_BMCR,
+						 BMCR_FULLDPLX |
+						 BMCR_ANENABLE |
+						 BMCR_SPEED100);
+			}
+			/* TX10 waveform coefficient */
+			rt305x_mii_write(esw, i, 26, 0x1601);
+			/* TX100/TX10 AD/DA current bias */
+			rt305x_mii_write(esw, i, 29, 0x7058);
+			/* TX100 slew rate control */
+			rt305x_mii_write(esw, i, 30, 0x0018);
+		}
+
+		/* PHY IOT */
+		/* select global register */
+		rt305x_mii_write(esw, 0, 31, 0x0);
+		/* tune TP_IDL tail and head waveform */
+		rt305x_mii_write(esw, 0, 22, 0x052f);
+		/* set TX10 signal amplitude threshold to minimum */
+		rt305x_mii_write(esw, 0, 17, 0x0fe0);
+		/* set squelch amplitude to higher threshold */
+		rt305x_mii_write(esw, 0, 18, 0x40ba);
+		/* longer TP_IDL tail length */
+		rt305x_mii_write(esw, 0, 14, 0x65);
+		/* select local register */
+		rt305x_mii_write(esw, 0, 31, 0x8000);
+	}
+
+	if (esw->port_map)
+		port_map = esw->port_map;
+	else
+		port_map = RT305X_ESW_PMAP_LLLLLL;
+
+	/* Unused HW feature, but still nice to be consistent here...
+	 * This is also exported to userspace ('lan' attribute) so it's
+	 * conveniently usable to decide which ports go into the wan vlan by
+	 * default.
+	 */
+	esw_rmw(esw, RT305X_ESW_REG_SGC2,
+		RT305X_ESW_SGC2_LAN_PMAP_M << RT305X_ESW_SGC2_LAN_PMAP_S,
+		port_map << RT305X_ESW_SGC2_LAN_PMAP_S);
+
+	/* make the switch leds blink */
+	for (i = 0; i < RT305X_ESW_NUM_LEDS; i++)
+		esw->ports[i].led = 0x05;
+
+	/* Apply the empty config. */
+	esw_apply_config(&esw->swdev);
+
+	/* Only unmask the port change interrupt */
+	esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
+}
+
+static irqreturn_t esw_interrupt(int irq, void *_esw)
+{
+	struct rt305x_esw *esw = (struct rt305x_esw *)_esw;
+	u32 status;
+
+	status = esw_r32(esw, RT305X_ESW_REG_ISR);
+	if (status & RT305X_ESW_PORT_ST_CHG) {
+		u32 link = esw_r32(esw, RT305X_ESW_REG_POA);
+
+		link >>= RT305X_ESW_POA_LINK_SHIFT;
+		link &= RT305X_ESW_POA_LINK_MASK;
+		dev_info(esw->dev, "link changed 0x%02X\n", link);
+	}
+	esw_w32(esw, status, RT305X_ESW_REG_ISR);
+
+	return IRQ_HANDLED;
+}
+
+static int esw_apply_config(struct switch_dev *dev)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+	int i;
+	u8 disable = 0;
+	u8 doubletag = 0;
+	u8 en_vlan = 0;
+	u8 untag = 0;
+
+	for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
+		u32 vid, vmsc;
+		if (esw->global_vlan_enable) {
+			vid = esw->vlans[i].vid;
+			vmsc = esw->vlans[i].ports;
+		} else {
+			vid = RT305X_ESW_VLAN_NONE;
+			vmsc = RT305X_ESW_PORTS_NONE;
+		}
+		esw_set_vlan_id(esw, i, vid);
+		esw_set_vmsc(esw, i, vmsc);
+	}
+
+	for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
+		u32 pvid;
+		disable |= esw->ports[i].disable << i;
+		if (esw->global_vlan_enable) {
+			doubletag |= esw->ports[i].doubletag << i;
+			en_vlan   |= 1                       << i;
+			untag     |= esw->ports[i].untag     << i;
+			pvid       = esw->ports[i].pvid;
+		} else {
+			int x = esw->alt_vlan_disable ? 0 : 1;
+			doubletag |= x << i;
+			en_vlan   |= x << i;
+			untag     |= x << i;
+			pvid       = 0;
+		}
+		esw_set_pvid(esw, i, pvid);
+		if (i < RT305X_ESW_NUM_LEDS)
+			esw_w32(esw, esw->ports[i].led,
+				      RT305X_ESW_REG_P0LED + 4*i);
+	}
+
+	esw_set_gsc(esw);
+	esw_set_port_disable(esw, disable);
+	esw_rmw(esw, RT305X_ESW_REG_SGC2,
+		       (RT305X_ESW_SGC2_DOUBLE_TAG_M <<
+			RT305X_ESW_SGC2_DOUBLE_TAG_S),
+		       doubletag << RT305X_ESW_SGC2_DOUBLE_TAG_S);
+	esw_rmw(esw, RT305X_ESW_REG_PFC1,
+		       RT305X_ESW_PFC1_EN_VLAN_M << RT305X_ESW_PFC1_EN_VLAN_S,
+		       en_vlan << RT305X_ESW_PFC1_EN_VLAN_S);
+	esw_rmw(esw, RT305X_ESW_REG_POC2,
+		       RT305X_ESW_POC2_UNTAG_EN_M << RT305X_ESW_POC2_UNTAG_EN_S,
+		       untag << RT305X_ESW_POC2_UNTAG_EN_S);
+
+	if (!esw->global_vlan_enable) {
+		/*
+		 * Still need to put all ports into vlan 0 or they'll be
+		 * isolated.
+		 * NOTE: vlan 0 is special, no vlan tag is prepended
+		 */
+		esw_set_vlan_id(esw, 0, 0);
+		esw_set_vmsc(esw, 0, RT305X_ESW_PORTS_ALL);
+	}
+
+	return 0;
+}
+
+static int esw_reset_switch(struct switch_dev *dev)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	esw->global_vlan_enable = 0;
+	memset(esw->ports, 0, sizeof(esw->ports));
+	memset(esw->vlans, 0, sizeof(esw->vlans));
+	esw_hw_init(esw);
+
+	return 0;
+}
+
+static int esw_get_vlan_enable(struct switch_dev *dev,
+			   const struct switch_attr *attr,
+			   struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	val->value.i = esw->global_vlan_enable;
+
+	return 0;
+}
+
+static int esw_set_vlan_enable(struct switch_dev *dev,
+			   const struct switch_attr *attr,
+			   struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	esw->global_vlan_enable = val->value.i != 0;
+
+	return 0;
+}
+
+static int esw_get_alt_vlan_disable(struct switch_dev *dev,
+				const struct switch_attr *attr,
+				struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	val->value.i = esw->alt_vlan_disable;
+
+	return 0;
+}
+
+static int esw_set_alt_vlan_disable(struct switch_dev *dev,
+				const struct switch_attr *attr,
+				struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	esw->alt_vlan_disable = val->value.i != 0;
+
+	return 0;
+}
+
+static int
+rt305x_esw_set_bc_status(struct switch_dev *dev,
+			const struct switch_attr *attr,
+			struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	esw->bc_storm_protect = val->value.i & RT305X_ESW_GSC_BC_STROM_MASK;
+
+	return 0;
+}
+
+static int
+rt305x_esw_get_bc_status(struct switch_dev *dev,
+			const struct switch_attr *attr,
+			struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	val->value.i = esw->bc_storm_protect;
+
+	return 0;
+}
+
+static int
+rt305x_esw_set_led_freq(struct switch_dev *dev,
+			const struct switch_attr *attr,
+			struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	esw->led_frequency = val->value.i & RT305X_ESW_GSC_LED_FREQ_MASK;
+
+	return 0;
+}
+
+static int
+rt305x_esw_get_led_freq(struct switch_dev *dev,
+			const struct switch_attr *attr,
+			struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	val->value.i = esw->led_frequency;
+
+	return 0;
+}
+
+static int esw_get_port_link(struct switch_dev *dev,
+			 int port,
+			 struct switch_port_link *link)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+	u32 speed, poa;
+
+	if (port < 0 || port >= RT305X_ESW_NUM_PORTS)
+		return -EINVAL;
+
+	poa = esw_r32(esw, RT305X_ESW_REG_POA) >> port;
+
+	link->link = (poa >> RT305X_ESW_LINK_S) & 1;
+	link->duplex = (poa >> RT305X_ESW_DUPLEX_S) & 1;
+	if (port < RT305X_ESW_NUM_LEDS) {
+		speed = (poa >> RT305X_ESW_SPD_S) & 1;
+	} else {
+		if (port == RT305X_ESW_NUM_PORTS - 1)
+			poa >>= 1;
+		speed = (poa >> RT305X_ESW_SPD_S) & 3;
+	}
+	switch (speed) {
+	case 0:
+		link->speed = SWITCH_PORT_SPEED_10;
+		break;
+	case 1:
+		link->speed = SWITCH_PORT_SPEED_100;
+		break;
+	case 2:
+	case 3: /* forced gige speed can be 2 or 3 */
+		link->speed = SWITCH_PORT_SPEED_1000;
+		break;
+	default:
+		link->speed = SWITCH_PORT_SPEED_UNKNOWN;
+		break;
+	}
+
+	return 0;
+}
+
+static int esw_get_port_bool(struct switch_dev *dev,
+			 const struct switch_attr *attr,
+			 struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+	int idx = val->port_vlan;
+	u32 x, reg, shift;
+
+	if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS)
+		return -EINVAL;
+
+	switch (attr->id) {
+	case RT305X_ESW_ATTR_PORT_DISABLE:
+		reg = RT305X_ESW_REG_POC0;
+		shift = RT305X_ESW_POC0_DIS_PORT_S;
+		break;
+	case RT305X_ESW_ATTR_PORT_DOUBLETAG:
+		reg = RT305X_ESW_REG_SGC2;
+		shift = RT305X_ESW_SGC2_DOUBLE_TAG_S;
+		break;
+	case RT305X_ESW_ATTR_PORT_UNTAG:
+		reg = RT305X_ESW_REG_POC2;
+		shift = RT305X_ESW_POC2_UNTAG_EN_S;
+		break;
+	case RT305X_ESW_ATTR_PORT_LAN:
+		reg = RT305X_ESW_REG_SGC2;
+		shift = RT305X_ESW_SGC2_LAN_PMAP_S;
+		if (idx >= RT305X_ESW_NUM_LANWAN)
+			return -EINVAL;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	x = esw_r32(esw, reg);
+	val->value.i = (x >> (idx + shift)) & 1;
+
+	return 0;
+}
+
+static int esw_set_port_bool(struct switch_dev *dev,
+			 const struct switch_attr *attr,
+			 struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+	int idx = val->port_vlan;
+
+	if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
+	    val->value.i < 0 || val->value.i > 1)
+		return -EINVAL;
+
+	switch (attr->id) {
+	case RT305X_ESW_ATTR_PORT_DISABLE:
+		esw->ports[idx].disable = val->value.i;
+		break;
+	case RT305X_ESW_ATTR_PORT_DOUBLETAG:
+		esw->ports[idx].doubletag = val->value.i;
+		break;
+	case RT305X_ESW_ATTR_PORT_UNTAG:
+		esw->ports[idx].untag = val->value.i;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int esw_get_port_recv_badgood(struct switch_dev *dev,
+				 const struct switch_attr *attr,
+				 struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+	int idx = val->port_vlan;
+	int shift = attr->id == RT305X_ESW_ATTR_PORT_RECV_GOOD ? 0 : 16;
+	u32 reg;
+
+	if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
+		return -EINVAL;
+	reg = esw_r32(esw, RT305X_ESW_REG_PXPC(idx));
+	val->value.i = (reg >> shift) & 0xffff;
+
+	return 0;
+}
+
+static int
+esw_get_port_tr_badgood(struct switch_dev *dev,
+				 const struct switch_attr *attr,
+				 struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	int idx = val->port_vlan;
+	int shift = attr->id == RT5350_ESW_ATTR_PORT_TR_GOOD ? 0 : 16;
+	u32 reg;
+
+	if ((ralink_soc != RT305X_SOC_RT5350) && (ralink_soc != MT762X_SOC_MT7628AN) && (ralink_soc != MT762X_SOC_MT7688))
+		return -EINVAL;
+
+	if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
+		return -EINVAL;
+
+	reg = esw_r32(esw, RT5350_ESW_REG_PXTPC(idx));
+	val->value.i = (reg >> shift) & 0xffff;
+
+	return 0;
+}
+
+static int esw_get_port_led(struct switch_dev *dev,
+			const struct switch_attr *attr,
+			struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+	int idx = val->port_vlan;
+
+	if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
+	    idx >= RT305X_ESW_NUM_LEDS)
+		return -EINVAL;
+
+	val->value.i = esw_r32(esw, RT305X_ESW_REG_P0LED + 4*idx);
+
+	return 0;
+}
+
+static int esw_set_port_led(struct switch_dev *dev,
+			const struct switch_attr *attr,
+			struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+	int idx = val->port_vlan;
+
+	if (idx < 0 || idx >= RT305X_ESW_NUM_LEDS)
+		return -EINVAL;
+
+	esw->ports[idx].led = val->value.i;
+
+	return 0;
+}
+
+static int esw_get_port_pvid(struct switch_dev *dev, int port, int *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	if (port >= RT305X_ESW_NUM_PORTS)
+		return -EINVAL;
+
+	*val = esw_get_pvid(esw, port);
+
+	return 0;
+}
+
+static int esw_set_port_pvid(struct switch_dev *dev, int port, int val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+	if (port >= RT305X_ESW_NUM_PORTS)
+		return -EINVAL;
+
+	esw->ports[port].pvid = val;
+
+	return 0;
+}
+
+static int esw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+	u32 vmsc, poc2;
+	int vlan_idx = -1;
+	int i;
+
+	val->len = 0;
+
+	if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS)
+		return -EINVAL;
+
+	/* valid vlan? */
+	for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
+		if (esw_get_vlan_id(esw, i) == val->port_vlan &&
+		    esw_get_vmsc(esw, i) != RT305X_ESW_PORTS_NONE) {
+			vlan_idx = i;
+			break;
+		}
+	}
+
+	if (vlan_idx == -1)
+		return -EINVAL;
+
+	vmsc = esw_get_vmsc(esw, vlan_idx);
+	poc2 = esw_r32(esw, RT305X_ESW_REG_POC2);
+
+	for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
+		struct switch_port *p;
+		int port_mask = 1 << i;
+
+		if (!(vmsc & port_mask))
+			continue;
+
+		p = &val->value.ports[val->len++];
+		p->id = i;
+		if (poc2 & (port_mask << RT305X_ESW_POC2_UNTAG_EN_S))
+			p->flags = 0;
+		else
+			p->flags = 1 << SWITCH_PORT_FLAG_TAGGED;
+	}
+
+	return 0;
+}
+
+static int esw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+	struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+	int ports;
+	int vlan_idx = -1;
+	int i;
+
+	if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS ||
+	    val->len > RT305X_ESW_NUM_PORTS)
+		return -EINVAL;
+
+	/* one of the already defined vlans? */
+	for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
+		if (esw->vlans[i].vid == val->port_vlan &&
+		    esw->vlans[i].ports != RT305X_ESW_PORTS_NONE) {
+			vlan_idx = i;
+			break;
+		}
+	}
+
+	/* select a free slot */
+	for (i = 0; vlan_idx == -1 && i < RT305X_ESW_NUM_VLANS; i++) {
+		if (esw->vlans[i].ports == RT305X_ESW_PORTS_NONE)
+			vlan_idx = i;
+	}
+
+	/* bail if all slots are in use */
+	if (vlan_idx == -1)
+		return -EINVAL;
+
+	ports = RT305X_ESW_PORTS_NONE;
+	for (i = 0; i < val->len; i++) {
+		struct switch_port *p = &val->value.ports[i];
+		int port_mask = 1 << p->id;
+		bool untagged = !(p->flags & (1 << SWITCH_PORT_FLAG_TAGGED));
+
+		if (p->id >= RT305X_ESW_NUM_PORTS)
+			return -EINVAL;
+
+		ports |= port_mask;
+		esw->ports[p->id].untag = untagged;
+	}
+	esw->vlans[vlan_idx].ports = ports;
+	if (ports == RT305X_ESW_PORTS_NONE)
+		esw->vlans[vlan_idx].vid = RT305X_ESW_VLAN_NONE;
+	else
+		esw->vlans[vlan_idx].vid = val->port_vlan;
+
+	return 0;
+}
+
+static const struct switch_attr esw_global[] = {
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_vlan",
+		.description = "VLAN mode (1:enabled)",
+		.max = 1,
+		.id = RT305X_ESW_ATTR_ENABLE_VLAN,
+		.get = esw_get_vlan_enable,
+		.set = esw_set_vlan_enable,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "alternate_vlan_disable",
+		.description = "Use en_vlan instead of doubletag to disable"
+				" VLAN mode",
+		.max = 1,
+		.id = RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
+		.get = esw_get_alt_vlan_disable,
+		.set = esw_set_alt_vlan_disable,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "bc_storm_protect",
+		.description = "Global broadcast storm protection (0:Disable, 1:64 blocks, 2:96 blocks, 3:128 blocks)",
+		.max = 3,
+		.id = RT305X_ESW_ATTR_BC_STATUS,
+		.get = rt305x_esw_get_bc_status,
+		.set = rt305x_esw_set_bc_status,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "led_frequency",
+		.description = "LED Flash frequency (0:30mS, 1:60mS, 2:240mS, 3:480mS)",
+		.max = 3,
+		.id = RT305X_ESW_ATTR_LED_FREQ,
+		.get = rt305x_esw_get_led_freq,
+		.set = rt305x_esw_set_led_freq,
+	}
+};
+
+static const struct switch_attr esw_port[] = {
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "disable",
+		.description = "Port state (1:disabled)",
+		.max = 1,
+		.id = RT305X_ESW_ATTR_PORT_DISABLE,
+		.get = esw_get_port_bool,
+		.set = esw_set_port_bool,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "doubletag",
+		.description = "Double tagging for incoming vlan packets "
+				"(1:enabled)",
+		.max = 1,
+		.id = RT305X_ESW_ATTR_PORT_DOUBLETAG,
+		.get = esw_get_port_bool,
+		.set = esw_set_port_bool,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "untag",
+		.description = "Untag (1:strip outgoing vlan tag)",
+		.max = 1,
+		.id = RT305X_ESW_ATTR_PORT_UNTAG,
+		.get = esw_get_port_bool,
+		.set = esw_set_port_bool,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "led",
+		.description = "LED mode (0:link, 1:100m, 2:duplex, 3:activity,"
+				" 4:collision, 5:linkact, 6:duplcoll, 7:10mact,"
+				" 8:100mact, 10:blink, 11:off, 12:on)",
+		.max = 15,
+		.id = RT305X_ESW_ATTR_PORT_LED,
+		.get = esw_get_port_led,
+		.set = esw_set_port_led,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "lan",
+		.description = "HW port group (0:wan, 1:lan)",
+		.max = 1,
+		.id = RT305X_ESW_ATTR_PORT_LAN,
+		.get = esw_get_port_bool,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "recv_bad",
+		.description = "Receive bad packet counter",
+		.id = RT305X_ESW_ATTR_PORT_RECV_BAD,
+		.get = esw_get_port_recv_badgood,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "recv_good",
+		.description = "Receive good packet counter",
+		.id = RT305X_ESW_ATTR_PORT_RECV_GOOD,
+		.get = esw_get_port_recv_badgood,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "tr_bad",
+
+		.description = "Transmit bad packet counter. rt5350 only",
+		.id = RT5350_ESW_ATTR_PORT_TR_BAD,
+		.get = esw_get_port_tr_badgood,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "tr_good",
+
+		.description = "Transmit good packet counter. rt5350 only",
+		.id = RT5350_ESW_ATTR_PORT_TR_GOOD,
+		.get = esw_get_port_tr_badgood,
+	},
+};
+
+static const struct switch_attr esw_vlan[] = {
+};
+
+static const struct switch_dev_ops esw_ops = {
+	.attr_global = {
+		.attr = esw_global,
+		.n_attr = ARRAY_SIZE(esw_global),
+	},
+	.attr_port = {
+		.attr = esw_port,
+		.n_attr = ARRAY_SIZE(esw_port),
+	},
+	.attr_vlan = {
+		.attr = esw_vlan,
+		.n_attr = ARRAY_SIZE(esw_vlan),
+	},
+	.get_vlan_ports = esw_get_vlan_ports,
+	.set_vlan_ports = esw_set_vlan_ports,
+	.get_port_pvid = esw_get_port_pvid,
+	.set_port_pvid = esw_set_port_pvid,
+	.get_port_link = esw_get_port_link,
+	.apply_config = esw_apply_config,
+	.reset_switch = esw_reset_switch,
+};
+
+static int esw_probe(struct platform_device *pdev)
+{
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	struct device_node *np = pdev->dev.of_node;
+	const __be32 *port_map, *port_disable, *reg_init;
+	struct switch_dev *swdev;
+	struct rt305x_esw *esw;
+	int ret;
+
+	esw = devm_kzalloc(&pdev->dev, sizeof(*esw), GFP_KERNEL);
+	if (!esw)
+		return -ENOMEM;
+
+	esw->dev = &pdev->dev;
+	esw->irq = irq_of_parse_and_map(np, 0);
+	esw->base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(esw->base))
+		return PTR_ERR(esw->base);
+
+	port_map = of_get_property(np, "mediatek,portmap", NULL);
+	if (port_map)
+		esw->port_map = be32_to_cpu(*port_map);
+
+	port_disable = of_get_property(np, "mediatek,portdisable", NULL);
+	if (port_disable)
+		esw->port_disable = be32_to_cpu(*port_disable);
+
+	reg_init = of_get_property(np, "ralink,fct2", NULL);
+	if (reg_init)
+		esw->reg_initval_fct2 = be32_to_cpu(*reg_init);
+
+	reg_init = of_get_property(np, "ralink,fpa2", NULL);
+	if (reg_init)
+		esw->reg_initval_fpa2 = be32_to_cpu(*reg_init);
+
+	reg_init = of_get_property(np, "mediatek,led_polarity", NULL);
+	if (reg_init)
+		esw->reg_led_polarity = be32_to_cpu(*reg_init);
+
+	swdev = &esw->swdev;
+	swdev->of_node = pdev->dev.of_node;
+	swdev->name = "rt305x-esw";
+	swdev->alias = "rt305x";
+	swdev->cpu_port = RT305X_ESW_PORT6;
+	swdev->ports = RT305X_ESW_NUM_PORTS;
+	swdev->vlans = RT305X_ESW_NUM_VIDS;
+	swdev->ops = &esw_ops;
+
+	ret = register_switch(swdev, NULL);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "register_switch failed\n");
+		return ret;
+	}
+
+	platform_set_drvdata(pdev, esw);
+
+	spin_lock_init(&esw->reg_rw_lock);
+
+	esw_hw_init(esw);
+
+	reg_init = of_get_property(np, "ralink,rgmii", NULL);
+	if (reg_init && be32_to_cpu(*reg_init) == 1) {
+		/* 
+		 * External switch connected to RGMII interface. 
+		 * Unregister the switch device after initialization. 
+		 */
+		dev_err(&pdev->dev, "RGMII mode, not exporting switch device.\n");
+		unregister_switch(&esw->swdev);
+		platform_set_drvdata(pdev, NULL);
+		return -ENODEV;
+	}
+
+	ret = devm_request_irq(&pdev->dev, esw->irq, esw_interrupt, 0, "esw",
+			       esw);
+
+	if (!ret) {
+		esw_w32(esw, RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_ISR);
+		esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
+	}
+
+	return ret;
+}
+
+static int esw_remove(struct platform_device *pdev)
+{
+	struct rt305x_esw *esw = platform_get_drvdata(pdev);
+
+	if (esw) {
+		esw_w32(esw, ~0, RT305X_ESW_REG_IMR);
+		platform_set_drvdata(pdev, NULL);
+	}
+
+	return 0;
+}
+
+static const struct of_device_id ralink_esw_match[] = {
+	{ .compatible = "ralink,rt3050-esw" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, ralink_esw_match);
+
+static struct platform_driver esw_driver = {
+	.probe = esw_probe,
+	.remove = esw_remove,
+	.driver = {
+		.name = "rt3050-esw",
+		.owner = THIS_MODULE,
+		.of_match_table = ralink_esw_match,
+	},
+};
+
+module_platform_driver(esw_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("Switch driver for RT305X SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.h
new file mode 100644
index 0000000000..bbc8fbd52a
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.h
@@ -0,0 +1,29 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_ESW_RT3052_H__
+#define _RALINK_ESW_RT3052_H__
+
+#ifdef CONFIG_NET_RALINK_ESW_RT3052
+
+int __init mtk_switch_init(void);
+void mtk_switch_exit(void);
+
+#else
+
+static inline int __init mtk_switch_init(void) { return 0; }
+static inline void mtk_switch_exit(void) { }
+
+#endif
+#endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.c
new file mode 100644
index 0000000000..5732c28536
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.c
@@ -0,0 +1,230 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include "mtk_eth_soc.h"
+
+static const char fe_gdma_str[][ETH_GSTRING_LEN] = {
+#define _FE(x...)	# x,
+FE_STAT_REG_DECLARE
+#undef _FE
+};
+
+static int fe_get_link_ksettings(struct net_device *ndev,
+			   struct ethtool_link_ksettings *cmd)
+{
+	struct fe_priv *priv = netdev_priv(ndev);
+
+	if (!priv->phy_dev)
+		return -ENODEV;
+
+	if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
+		if (phy_read_status(priv->phy_dev))
+			return -ENODEV;
+	}
+
+	phy_ethtool_ksettings_get(ndev->phydev, cmd);
+
+	return 0;
+}
+
+static int fe_set_link_ksettings(struct net_device *ndev,
+			   const struct ethtool_link_ksettings *cmd)
+{
+	struct fe_priv *priv = netdev_priv(ndev);
+
+	if (!priv->phy_dev)
+		goto out_sset;
+
+	if (cmd->base.phy_address != priv->phy_dev->mdio.addr) {
+		if (priv->phy->phy_node[cmd->base.phy_address]) {
+			priv->phy_dev = priv->phy->phy[cmd->base.phy_address];
+			priv->phy_flags = FE_PHY_FLAG_PORT;
+		} else if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, cmd->base.phy_address)) {
+			priv->phy_dev = mdiobus_get_phy(priv->mii_bus, cmd->base.phy_address);
+			priv->phy_flags = FE_PHY_FLAG_ATTACH;
+		} else {
+			goto out_sset;
+		}
+	}
+
+	return phy_ethtool_ksettings_set(ndev->phydev, cmd);
+
+out_sset:
+	return -ENODEV;
+}
+
+static void fe_get_drvinfo(struct net_device *dev,
+			   struct ethtool_drvinfo *info)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	struct fe_soc_data *soc = priv->soc;
+
+	strlcpy(info->driver, priv->dev->driver->name, sizeof(info->driver));
+	strlcpy(info->version, MTK_FE_DRV_VERSION, sizeof(info->version));
+	strlcpy(info->bus_info, dev_name(priv->dev), sizeof(info->bus_info));
+
+	if (soc->reg_table[FE_REG_FE_COUNTER_BASE])
+		info->n_stats = ARRAY_SIZE(fe_gdma_str);
+}
+
+static u32 fe_get_msglevel(struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+
+	return priv->msg_enable;
+}
+
+static void fe_set_msglevel(struct net_device *dev, u32 value)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+
+	priv->msg_enable = value;
+}
+
+static int fe_nway_reset(struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+
+	if (!priv->phy_dev)
+		goto out_nway_reset;
+
+	return genphy_restart_aneg(priv->phy_dev);
+
+out_nway_reset:
+	return -EOPNOTSUPP;
+}
+
+static u32 fe_get_link(struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	int err;
+
+	if (!priv->phy_dev)
+		goto out_get_link;
+
+	if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
+		err = genphy_update_link(priv->phy_dev);
+		if (err)
+			goto out_get_link;
+	}
+
+	return priv->phy_dev->link;
+
+out_get_link:
+	return ethtool_op_get_link(dev);
+}
+
+static int fe_set_ringparam(struct net_device *dev,
+			    struct ethtool_ringparam *ring)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+
+	if ((ring->tx_pending < 2) ||
+	    (ring->rx_pending < 2) ||
+	    (ring->rx_pending > MAX_DMA_DESC) ||
+	    (ring->tx_pending > MAX_DMA_DESC))
+		return -EINVAL;
+
+	dev->netdev_ops->ndo_stop(dev);
+
+	priv->tx_ring.tx_ring_size = BIT(fls(ring->tx_pending) - 1);
+	priv->rx_ring.rx_ring_size = BIT(fls(ring->rx_pending) - 1);
+
+	dev->netdev_ops->ndo_open(dev);
+
+	return 0;
+}
+
+static void fe_get_ringparam(struct net_device *dev,
+			     struct ethtool_ringparam *ring)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+
+	ring->rx_max_pending = MAX_DMA_DESC;
+	ring->tx_max_pending = MAX_DMA_DESC;
+	ring->rx_pending = priv->rx_ring.rx_ring_size;
+	ring->tx_pending = priv->tx_ring.tx_ring_size;
+}
+
+static void fe_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+{
+	switch (stringset) {
+	case ETH_SS_STATS:
+		memcpy(data, *fe_gdma_str, sizeof(fe_gdma_str));
+		break;
+	}
+}
+
+static int fe_get_sset_count(struct net_device *dev, int sset)
+{
+	switch (sset) {
+	case ETH_SS_STATS:
+		return ARRAY_SIZE(fe_gdma_str);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static void fe_get_ethtool_stats(struct net_device *dev,
+				 struct ethtool_stats *stats, u64 *data)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	struct fe_hw_stats *hwstats = priv->hw_stats;
+	u64 *data_src, *data_dst;
+	unsigned int start;
+	int i;
+
+	if (netif_running(dev) && netif_device_present(dev)) {
+		if (spin_trylock(&hwstats->stats_lock)) {
+			fe_stats_update(priv);
+			spin_unlock(&hwstats->stats_lock);
+		}
+	}
+
+	do {
+		data_src = &hwstats->tx_bytes;
+		data_dst = data;
+		start = u64_stats_fetch_begin_irq(&hwstats->syncp);
+
+		for (i = 0; i < ARRAY_SIZE(fe_gdma_str); i++)
+			*data_dst++ = *data_src++;
+
+	} while (u64_stats_fetch_retry_irq(&hwstats->syncp, start));
+}
+
+static struct ethtool_ops fe_ethtool_ops = {
+	.get_link_ksettings	= fe_get_link_ksettings,
+	.set_link_ksettings	= fe_set_link_ksettings,
+	.get_drvinfo		= fe_get_drvinfo,
+	.get_msglevel		= fe_get_msglevel,
+	.set_msglevel		= fe_set_msglevel,
+	.nway_reset		= fe_nway_reset,
+	.get_link		= fe_get_link,
+	.set_ringparam		= fe_set_ringparam,
+	.get_ringparam		= fe_get_ringparam,
+};
+
+void fe_set_ethtool_ops(struct net_device *netdev)
+{
+	struct fe_priv *priv = netdev_priv(netdev);
+	struct fe_soc_data *soc = priv->soc;
+
+	if (soc->reg_table[FE_REG_FE_COUNTER_BASE]) {
+		fe_ethtool_ops.get_strings = fe_get_strings;
+		fe_ethtool_ops.get_sset_count = fe_get_sset_count;
+		fe_ethtool_ops.get_ethtool_stats = fe_get_ethtool_stats;
+	}
+
+	netdev->ethtool_ops = &fe_ethtool_ops;
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.h
new file mode 100644
index 0000000000..6fd16f0b66
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.h
@@ -0,0 +1,22 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef FE_ETHTOOL_H
+#define FE_ETHTOOL_H
+
+#include <linux/ethtool.h>
+
+void fe_set_ethtool_ops(struct net_device *netdev);
+
+#endif /* FE_ETHTOOL_H */
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c
new file mode 100644
index 0000000000..bd379e6c7d
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c
@@ -0,0 +1,313 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+
+#include <ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+
+void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
+{
+	iowrite32(val, gsw->base + reg);
+}
+
+u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg)
+{
+	return ioread32(gsw->base + reg);
+}
+
+static irqreturn_t gsw_interrupt_mt7620(int irq, void *_priv)
+{
+	struct fe_priv *priv = (struct fe_priv *)_priv;
+	struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+	u32 status;
+	int i, max = (gsw->port4 == PORT4_EPHY) ? (4) : (3);
+
+	status = mtk_switch_r32(gsw, GSW_REG_ISR);
+	if (status & PORT_IRQ_ST_CHG)
+		for (i = 0; i <= max; i++) {
+			u32 status = mtk_switch_r32(gsw, GSW_REG_PORT_STATUS(i));
+			int link = status & 0x1;
+
+			if (link != priv->link[i])
+				mt7620_print_link_state(priv, i, link,
+							(status >> 2) & 3,
+							(status & 0x2));
+
+			priv->link[i] = link;
+		}
+	mt7620_handle_carrier(priv);
+	mtk_switch_w32(gsw, status, GSW_REG_ISR);
+
+	return IRQ_HANDLED;
+}
+
+static int mt7620_mdio_mode(struct device_node *eth_node)
+{
+	struct device_node *phy_node, *mdiobus_node;
+	const __be32 *id;
+	int ret = 0;
+
+	mdiobus_node = of_get_child_by_name(eth_node, "mdio-bus");
+
+	if (mdiobus_node) {
+		if (of_property_read_bool(mdiobus_node, "mediatek,mdio-mode"))
+			ret = 1;
+
+		for_each_child_of_node(mdiobus_node, phy_node) {
+			id = of_get_property(phy_node, "reg", NULL);
+			if (id && (be32_to_cpu(*id) == 0x1f))
+				ret = 1;
+		}
+
+		of_node_put(mdiobus_node);
+	}
+
+	return ret;
+}
+
+static void mt7620_hw_init(struct mt7620_gsw *gsw, int mdio_mode)
+{
+	u32 i;
+	u32 val;
+	u32 is_BGA = (rt_sysc_r32(0x0c) >> 16) & 1;
+
+	rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1);
+	mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR);
+
+	/* Enable MIB stats */
+	mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_MIB_CNT_EN) | (1 << 1), GSW_REG_MIB_CNT_EN);
+
+	if (mdio_mode) {
+		u32 val;
+
+		/* turn off ephy and set phy base addr to 12 */
+		mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_GPC1) |
+			(0x1f << 24) | (0xc << 16),
+			GSW_REG_GPC1);
+
+		/* set MT7530 central align */
+		val = mt7530_mdio_r32(gsw, 0x7830);
+		val &= ~BIT(0);
+		val |= BIT(1);
+		mt7530_mdio_w32(gsw, 0x7830, val);
+
+		val = mt7530_mdio_r32(gsw, 0x7a40);
+		val &= ~BIT(30);
+		mt7530_mdio_w32(gsw, 0x7a40, val);
+
+		mt7530_mdio_w32(gsw, 0x7a78, 0x855);
+	} else {
+
+		if (gsw->ephy_base) {
+			/* set phy base addr to ephy_base */
+			mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_GPC1) |
+				(gsw->ephy_base << 16),
+				GSW_REG_GPC1);
+			fe_reset(BIT(24)); /* Resets the Ethernet PHY block. */
+		}
+
+		/* global page 4 */
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0x4000);
+
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 17, 0x7444);
+		if (is_BGA)
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 19, 0x0114);
+		else
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 19, 0x0117);
+
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 22, 0x10cf);
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 25, 0x6212);
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 26, 0x0777);
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 29, 0x4000);
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 28, 0xc077);
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 24, 0x0000);
+
+		/* global page 3 */
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0x3000);
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 17, 0x4838);
+
+		/* global page 2 */
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0x2000);
+		if (is_BGA) {
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 21, 0x0515);
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 22, 0x0053);
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 23, 0x00bf);
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 24, 0x0aaf);
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 25, 0x0fad);
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 26, 0x0fc1);
+		} else {
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 21, 0x0517);
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 22, 0x0fd2);
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 23, 0x00bf);
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 24, 0x0aab);
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 25, 0x00ae);
+			_mt7620_mii_write(gsw, gsw->ephy_base + 1, 26, 0x0fff);
+		}
+		/* global page 1 */
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0x1000);
+		_mt7620_mii_write(gsw, gsw->ephy_base + 1, 17, 0xe7f8);
+
+		/* turn on all PHYs */
+		for (i = 0; i <= 4; i++) {
+			val = _mt7620_mii_read(gsw, gsw->ephy_base + i, 0);
+			val &= ~BIT(11);
+			_mt7620_mii_write(gsw, gsw->ephy_base + i, 0, val);
+		}
+	}
+
+	/* global page 0 */
+	_mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0x8000);
+	_mt7620_mii_write(gsw, gsw->ephy_base + 0, 30, 0xa000);
+	_mt7620_mii_write(gsw, gsw->ephy_base + 1, 30, 0xa000);
+	_mt7620_mii_write(gsw, gsw->ephy_base + 2, 30, 0xa000);
+	_mt7620_mii_write(gsw, gsw->ephy_base + 3, 30, 0xa000);
+
+	_mt7620_mii_write(gsw, gsw->ephy_base + 0, 4, 0x05e1);
+	_mt7620_mii_write(gsw, gsw->ephy_base + 1, 4, 0x05e1);
+	_mt7620_mii_write(gsw, gsw->ephy_base + 2, 4, 0x05e1);
+	_mt7620_mii_write(gsw, gsw->ephy_base + 3, 4, 0x05e1);
+
+	/* global page 2 */
+	_mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0xa000);
+	_mt7620_mii_write(gsw, gsw->ephy_base + 0, 16, 0x1111);
+	_mt7620_mii_write(gsw, gsw->ephy_base + 1, 16, 0x1010);
+	_mt7620_mii_write(gsw, gsw->ephy_base + 2, 16, 0x1515);
+	_mt7620_mii_write(gsw, gsw->ephy_base + 3, 16, 0x0f0f);
+
+	/* CPU Port6 Force Link 1G, FC ON */
+	mtk_switch_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6));
+
+	/* Set Port 6 as CPU Port */
+	mtk_switch_w32(gsw, 0x7f7f7fe0, 0x0010);
+
+	/* setup port 4 */
+	if (gsw->port4 == PORT4_EPHY) {
+		u32 val = rt_sysc_r32(SYSC_REG_CFG1);
+
+		val |= 3 << 14;
+		rt_sysc_w32(val, SYSC_REG_CFG1);
+		_mt7620_mii_write(gsw, gsw->ephy_base + 4, 30, 0xa000);
+		_mt7620_mii_write(gsw, gsw->ephy_base + 4, 4, 0x05e1);
+		_mt7620_mii_write(gsw, gsw->ephy_base + 4, 16, 0x1313);
+		pr_info("gsw: setting port4 to ephy mode\n");
+	} else if (!mdio_mode) {
+		u32 val = rt_sysc_r32(SYSC_REG_CFG1);
+
+		val &= ~(3 << 14);
+		rt_sysc_w32(val, SYSC_REG_CFG1);
+		pr_info("gsw: setting port4 to gmac mode\n");
+	}
+}
+
+static const struct of_device_id mediatek_gsw_match[] = {
+	{ .compatible = "mediatek,mt7620-gsw" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, mediatek_gsw_match);
+
+int mtk_gsw_init(struct fe_priv *priv)
+{
+	struct device_node *np = priv->switch_np;
+	struct platform_device *pdev = of_find_device_by_node(np);
+	struct mt7620_gsw *gsw;
+
+	if (!pdev)
+		return -ENODEV;
+
+	if (!of_device_is_compatible(np, mediatek_gsw_match->compatible))
+		return -EINVAL;
+
+	gsw = platform_get_drvdata(pdev);
+	priv->soc->swpriv = gsw;
+
+	mt7620_hw_init(gsw, mt7620_mdio_mode(priv->dev->of_node));
+
+	if (gsw->irq) {
+		request_irq(gsw->irq, gsw_interrupt_mt7620, 0,
+			    "gsw", priv);
+		mtk_switch_w32(gsw, ~PORT_IRQ_ST_CHG, GSW_REG_IMR);
+	}
+
+	return 0;
+}
+
+static int mt7620_gsw_probe(struct platform_device *pdev)
+{
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	const char *port4 = NULL;
+	struct mt7620_gsw *gsw;
+	struct device_node *np = pdev->dev.of_node;
+	u16 val;
+
+	gsw = devm_kzalloc(&pdev->dev, sizeof(struct mt7620_gsw), GFP_KERNEL);
+	if (!gsw)
+		return -ENOMEM;
+
+	gsw->base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(gsw->base))
+		return PTR_ERR(gsw->base);
+
+	gsw->dev = &pdev->dev;
+
+	of_property_read_string(np, "mediatek,port4", &port4);
+	if (port4 && !strcmp(port4, "ephy"))
+		gsw->port4 = PORT4_EPHY;
+	else if (port4 && !strcmp(port4, "gmac"))
+		gsw->port4 = PORT4_EXT;
+	else
+		gsw->port4 = PORT4_EPHY;
+
+	if (of_property_read_u16(np, "mediatek,ephy-base-address", &val) == 0)
+		gsw->ephy_base = val;
+	else
+		gsw->ephy_base = 0;
+
+	gsw->irq = platform_get_irq(pdev, 0);
+
+	platform_set_drvdata(pdev, gsw);
+
+	return 0;
+}
+
+static int mt7620_gsw_remove(struct platform_device *pdev)
+{
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver gsw_driver = {
+	.probe = mt7620_gsw_probe,
+	.remove = mt7620_gsw_remove,
+	.driver = {
+		.name = "mt7620-gsw",
+		.owner = THIS_MODULE,
+		.of_match_table = mediatek_gsw_match,
+	},
+};
+
+module_platform_driver(gsw_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7620 SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.h
new file mode 100644
index 0000000000..03d030446a
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.h
@@ -0,0 +1,132 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_GSW_MT7620_H__
+#define _RALINK_GSW_MT7620_H__
+
+#define GSW_REG_PHY_TIMEOUT	(5 * HZ)
+
+#ifdef CONFIG_SOC_MT7621
+#define MT7620A_GSW_REG_PIAC	0x0004
+#else
+#define MT7620A_GSW_REG_PIAC	0x7004
+#endif
+
+#define GSW_NUM_VLANS		16
+#define GSW_NUM_VIDS		4096
+#define GSW_NUM_PORTS		7
+#define GSW_PORT6		6
+
+#define GSW_MDIO_ACCESS		BIT(31)
+#define GSW_MDIO_READ		BIT(19)
+#define GSW_MDIO_WRITE		BIT(18)
+#define GSW_MDIO_START		BIT(16)
+#define GSW_MDIO_ADDR_SHIFT	20
+#define GSW_MDIO_REG_SHIFT	25
+
+#define GSW_REG_MIB_CNT_EN	0x4000
+
+#define GSW_REG_PORT_PMCR(x)	(0x3000 + (x * 0x100))
+#define GSW_REG_PORT_STATUS(x)	(0x3008 + (x * 0x100))
+#define GSW_REG_SMACCR0		0x3fE4
+#define GSW_REG_SMACCR1		0x3fE8
+#define GSW_REG_CKGCR		0x3ff0
+
+#define GSW_REG_IMR		0x7008
+#define GSW_REG_ISR		0x700c
+#define GSW_REG_GPC1		0x7014
+#define GSW_REG_GPC2		0x701c
+
+#define GSW_REG_GPCx_TXDELAY	BIT(3)
+#define GSW_REG_GPCx_RXDELAY	BIT(2)
+
+#define GSW_REG_MAC_P0_MCR	0x100
+#define GSW_REG_MAC_P1_MCR	0x200
+
+// Global MAC control register
+#define GSW_REG_GMACCR		0x30E0
+
+#define SYSC_REG_CHIP_REV_ID	0x0c
+#define SYSC_REG_CFG1		0x14
+#define RST_CTRL_MCM		BIT(2)
+#define SYSC_PAD_RGMII2_MDIO	0x58
+#define SYSC_GPIO_MODE		0x60
+
+#define PORT_IRQ_ST_CHG		0x7f
+
+#ifdef CONFIG_SOC_MT7621
+#define ESW_PHY_POLLING		0x0000
+#else
+#define ESW_PHY_POLLING		0x7000
+#endif
+
+#define	PMCR_IPG		BIT(18)
+#define	PMCR_MAC_MODE		BIT(16)
+#define	PMCR_FORCE		BIT(15)
+#define	PMCR_TX_EN		BIT(14)
+#define	PMCR_RX_EN		BIT(13)
+#define	PMCR_BACKOFF		BIT(9)
+#define	PMCR_BACKPRES		BIT(8)
+#define	PMCR_RX_FC		BIT(5)
+#define	PMCR_TX_FC		BIT(4)
+#define	PMCR_SPEED(_x)		(_x << 2)
+#define	PMCR_DUPLEX		BIT(1)
+#define	PMCR_LINK		BIT(0)
+
+#define PHY_AN_EN		BIT(31)
+#define PHY_PRE_EN		BIT(30)
+#define PMY_MDC_CONF(_x)	((_x & 0x3f) << 24)
+
+
+enum {
+	/* Global attributes. */
+	GSW_ATTR_ENABLE_VLAN,
+	/* Port attributes. */
+	GSW_ATTR_PORT_UNTAG,
+};
+
+enum {
+	PORT4_EPHY = 0,
+	PORT4_EXT,
+};
+
+struct mt7620_gsw {
+	struct device		*dev;
+	void __iomem		*base;
+	int			irq;
+	int			port4;
+	unsigned long int	autopoll;
+	u16			ephy_base;
+};
+
+void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg);
+u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg);
+int mtk_gsw_init(struct fe_priv *priv);
+
+int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
+int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
+void mt7620_mdio_link_adjust(struct fe_priv *priv, int port);
+int mt7620_has_carrier(struct fe_priv *priv);
+void mt7620_print_link_state(struct fe_priv *priv, int port, int link,
+			     int speed, int duplex);
+
+void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val);
+u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg);
+
+u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr,
+			     u32 phy_register, u32 write_data);
+u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg);
+void mt7620_handle_carrier(struct fe_priv *priv);
+
+#endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7621.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7621.c
new file mode 100644
index 0000000000..232bcd8cf4
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7621.c
@@ -0,0 +1,275 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+
+#include <ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+
+void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
+{
+	iowrite32(val, gsw->base + reg);
+}
+
+u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg)
+{
+	return ioread32(gsw->base + reg);
+}
+
+static irqreturn_t gsw_interrupt_mt7621(int irq, void *_priv)
+{
+	struct fe_priv *priv = (struct fe_priv *)_priv;
+	struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+	u32 reg, i;
+
+	reg = mt7530_mdio_r32(gsw, 0x700c);
+	mt7530_mdio_w32(gsw, 0x700c, reg);
+
+	for (i = 0; i < 5; i++)
+		if (reg & BIT(i)) {
+			unsigned int link;
+
+			link = mt7530_mdio_r32(gsw,
+					       0x3008 + (i * 0x100)) & 0x1;
+
+			if (link != priv->link[i]) {
+				priv->link[i] = link;
+				if (link)
+					netdev_info(priv->netdev,
+						    "port %d link up\n", i);
+				else
+					netdev_info(priv->netdev,
+						    "port %d link down\n", i);
+			}
+		}
+
+	mt7620_handle_carrier(priv);
+
+	return IRQ_HANDLED;
+}
+
+static void mt7621_hw_init(struct mt7620_gsw *gsw, struct device_node *np)
+{
+	u32 i;
+	u32 val;
+
+	/* wardware reset the switch */
+	fe_reset(RST_CTRL_MCM);
+	mdelay(10);
+
+	/* reduce RGMII2 PAD driving strength */
+	rt_sysc_m32(3 << 4, 0, SYSC_PAD_RGMII2_MDIO);
+
+	/* gpio mux - RGMII1=Normal mode */
+	rt_sysc_m32(BIT(14), 0, SYSC_GPIO_MODE);
+
+	/* set GMAC1 RGMII mode */
+	rt_sysc_m32(3 << 12, 0, SYSC_REG_CFG1);
+
+	/* enable MDIO to control MT7530 */
+	rt_sysc_m32(3 << 12, 0, SYSC_GPIO_MODE);
+
+	/* turn off all PHYs */
+	for (i = 0; i <= 4; i++) {
+		val = _mt7620_mii_read(gsw, i, 0x0);
+		val |= BIT(11);
+		_mt7620_mii_write(gsw, i, 0x0, val);
+	}
+
+	/* reset the switch */
+	mt7530_mdio_w32(gsw, 0x7000, 0x3);
+	usleep_range(10, 20);
+
+	/* (GE1, Force 1000M/FD, FC OFF, MAX_RX_LENGTH 1536) */
+	mtk_switch_w32(gsw, 0x2305e30b, GSW_REG_MAC_P0_MCR);
+	mt7530_mdio_w32(gsw, 0x3600, 0x5e30b);
+
+	/* (GE2, Link down) */
+	mtk_switch_w32(gsw, 0x8000, GSW_REG_MAC_P1_MCR);
+
+	/* Set switch max RX frame length to 2k */
+	mt7530_mdio_w32(gsw, GSW_REG_GMACCR, 0x3F0B);
+
+	/* Enable Port 6, P5 as GMAC5, P5 disable */
+	val = mt7530_mdio_r32(gsw, 0x7804);
+	val &= ~BIT(8);
+	val |= BIT(6) | BIT(13) | BIT(16);
+	mt7530_mdio_w32(gsw, 0x7804, val);
+
+	val = rt_sysc_r32(0x10);
+	val = (val >> 6) & 0x7;
+	if (val >= 6) {
+		/* 25Mhz Xtal - do nothing */
+	} else if (val >= 3) {
+		/* 40Mhz */
+
+		/* disable MT7530 core clock */
+		_mt7620_mii_write(gsw, 0, 13, 0x1f);
+		_mt7620_mii_write(gsw, 0, 14, 0x410);
+		_mt7620_mii_write(gsw, 0, 13, 0x401f);
+		_mt7620_mii_write(gsw, 0, 14, 0x0);
+
+		/* disable MT7530 PLL */
+		_mt7620_mii_write(gsw, 0, 13, 0x1f);
+		_mt7620_mii_write(gsw, 0, 14, 0x40d);
+		_mt7620_mii_write(gsw, 0, 13, 0x401f);
+		_mt7620_mii_write(gsw, 0, 14, 0x2020);
+
+		/* for MT7530 core clock = 500Mhz */
+		_mt7620_mii_write(gsw, 0, 13, 0x1f);
+		_mt7620_mii_write(gsw, 0, 14, 0x40e);
+		_mt7620_mii_write(gsw, 0, 13, 0x401f);
+		_mt7620_mii_write(gsw, 0, 14, 0x119);
+
+		/* enable MT7530 PLL */
+		_mt7620_mii_write(gsw, 0, 13, 0x1f);
+		_mt7620_mii_write(gsw, 0, 14, 0x40d);
+		_mt7620_mii_write(gsw, 0, 13, 0x401f);
+		_mt7620_mii_write(gsw, 0, 14, 0x2820);
+
+		usleep_range(20, 40);
+
+		/* enable MT7530 core clock */
+		_mt7620_mii_write(gsw, 0, 13, 0x1f);
+		_mt7620_mii_write(gsw, 0, 14, 0x410);
+		_mt7620_mii_write(gsw, 0, 13, 0x401f);
+	} else {
+		/* 20Mhz Xtal - TODO */
+	}
+
+	/* RGMII */
+	_mt7620_mii_write(gsw, 0, 14, 0x1);
+
+	/* set MT7530 central align */
+	val = mt7530_mdio_r32(gsw, 0x7830);
+	val &= ~BIT(0);
+	val |= BIT(1);
+	mt7530_mdio_w32(gsw, 0x7830, val);
+	val = mt7530_mdio_r32(gsw, 0x7a40);
+	val &= ~BIT(30);
+	mt7530_mdio_w32(gsw, 0x7a40, val);
+	mt7530_mdio_w32(gsw, 0x7a78, 0x855);
+
+	/* delay setting for 10/1000M */
+	mt7530_mdio_w32(gsw, 0x7b00, 0x102);
+	mt7530_mdio_w32(gsw, 0x7b04, 0x14);
+
+	/* lower Tx Driving*/
+	mt7530_mdio_w32(gsw, 0x7a54, 0x44);
+	mt7530_mdio_w32(gsw, 0x7a5c, 0x44);
+	mt7530_mdio_w32(gsw, 0x7a64, 0x44);
+	mt7530_mdio_w32(gsw, 0x7a6c, 0x44);
+	mt7530_mdio_w32(gsw, 0x7a74, 0x44);
+	mt7530_mdio_w32(gsw, 0x7a7c, 0x44);
+
+	/* turn on all PHYs */
+	for (i = 0; i <= 4; i++) {
+		val = _mt7620_mii_read(gsw, i, 0);
+		val &= ~BIT(11);
+		_mt7620_mii_write(gsw, i, 0, val);
+	}
+
+	/* enable irq */
+	mt7530_mdio_w32(gsw, 0x7008, 0x1f);
+	val = mt7530_mdio_r32(gsw, 0x7808);
+	val |= 3 << 16;
+	mt7530_mdio_w32(gsw, 0x7808, val);
+}
+
+static const struct of_device_id mediatek_gsw_match[] = {
+	{ .compatible = "mediatek,mt7621-gsw" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, mediatek_gsw_match);
+
+int mtk_gsw_init(struct fe_priv *priv)
+{
+	struct device_node *np = priv->switch_np;
+	struct platform_device *pdev = of_find_device_by_node(np);
+	struct mt7620_gsw *gsw;
+
+	if (!pdev)
+		return -ENODEV;
+
+	if (!of_device_is_compatible(np, mediatek_gsw_match->compatible))
+		return -EINVAL;
+
+	gsw = platform_get_drvdata(pdev);
+	priv->soc->swpriv = gsw;
+
+	if (gsw->irq) {
+		request_irq(gsw->irq, gsw_interrupt_mt7621, 0,
+			    "gsw", priv);
+		disable_irq(gsw->irq);
+	}
+
+	mt7621_hw_init(gsw, np);
+
+	if (gsw->irq)
+		enable_irq(gsw->irq);
+
+	return 0;
+}
+
+static int mt7621_gsw_probe(struct platform_device *pdev)
+{
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	struct mt7620_gsw *gsw;
+
+	gsw = devm_kzalloc(&pdev->dev, sizeof(struct mt7620_gsw), GFP_KERNEL);
+	if (!gsw)
+		return -ENOMEM;
+
+	gsw->base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(gsw->base))
+		return PTR_ERR(gsw->base);
+
+	gsw->dev = &pdev->dev;
+	gsw->irq = platform_get_irq(pdev, 0);
+
+	platform_set_drvdata(pdev, gsw);
+
+	return 0;
+}
+
+static int mt7621_gsw_remove(struct platform_device *pdev)
+{
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver gsw_driver = {
+	.probe = mt7621_gsw_probe,
+	.remove = mt7621_gsw_remove,
+	.driver = {
+		.name = "mt7621-gsw",
+		.owner = THIS_MODULE,
+		.of_match_table = mediatek_gsw_match,
+	},
+};
+
+module_platform_driver(gsw_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7621 SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c
new file mode 100644
index 0000000000..28c9250162
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c
@@ -0,0 +1,267 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/phy.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio.h"
+
+static int fe_mdio_reset(struct mii_bus *bus)
+{
+	/* TODO */
+	return 0;
+}
+
+static void fe_phy_link_adjust(struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	unsigned long flags;
+	int i;
+
+	spin_lock_irqsave(&priv->phy->lock, flags);
+	for (i = 0; i < 8; i++) {
+		if (priv->phy->phy_node[i]) {
+			struct phy_device *phydev = priv->phy->phy[i];
+			int status_change = 0;
+
+			if (phydev->link)
+				if (priv->phy->duplex[i] != phydev->duplex ||
+				    priv->phy->speed[i] != phydev->speed)
+					status_change = 1;
+
+			if (phydev->link != priv->link[i])
+				status_change = 1;
+
+			switch (phydev->speed) {
+			case SPEED_1000:
+			case SPEED_100:
+			case SPEED_10:
+				priv->link[i] = phydev->link;
+				priv->phy->duplex[i] = phydev->duplex;
+				priv->phy->speed[i] = phydev->speed;
+
+				if (status_change &&
+				    priv->soc->mdio_adjust_link)
+					priv->soc->mdio_adjust_link(priv, i);
+				break;
+			}
+		}
+	}
+	spin_unlock_irqrestore(&priv->phy->lock, flags);
+}
+
+int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node, int port)
+{
+	const __be32 *_phy_addr = NULL;
+	struct phy_device *phydev;
+	int phy_mode;
+
+	_phy_addr = of_get_property(phy_node, "reg", NULL);
+
+	if (!_phy_addr || (be32_to_cpu(*_phy_addr) >= 0x20)) {
+		pr_err("%s: invalid phy id\n", phy_node->name);
+		return -EINVAL;
+	}
+
+	phy_mode = of_get_phy_mode(phy_node);
+	if (phy_mode < 0) {
+		dev_err(priv->dev, "incorrect phy-mode %d\n", phy_mode);
+		priv->phy->phy_node[port] = NULL;
+		return -EINVAL;
+	}
+
+	phydev = of_phy_connect(priv->netdev, phy_node, fe_phy_link_adjust,
+				0, phy_mode);
+	if (!phydev) {
+		dev_err(priv->dev, "could not connect to PHY\n");
+		priv->phy->phy_node[port] = NULL;
+		return -ENODEV;
+	}
+
+	phydev->supported &= PHY_GBIT_FEATURES;
+	phydev->advertising = phydev->supported;
+	phydev->no_auto_carrier_off = 1;
+
+	dev_info(priv->dev,
+		 "connected port %d to PHY at %s [uid=%08x, driver=%s]\n",
+		 port, dev_name(&phydev->mdio.dev), phydev->phy_id,
+		 phydev->drv->name);
+
+	priv->phy->phy[port] = phydev;
+	priv->link[port] = 0;
+
+	return 0;
+}
+
+static void phy_init(struct fe_priv *priv, struct phy_device *phy)
+{
+	phy_attach(priv->netdev, dev_name(&phy->mdio.dev), PHY_INTERFACE_MODE_MII);
+
+	phy->autoneg = AUTONEG_ENABLE;
+	phy->speed = 0;
+	phy->duplex = 0;
+	phy->supported &= IS_ENABLED(CONFIG_NET_RALINK_MDIO_MT7620) ?
+			PHY_GBIT_FEATURES : PHY_BASIC_FEATURES;
+	phy->advertising = phy->supported | ADVERTISED_Autoneg;
+
+	phy_start_aneg(phy);
+}
+
+static int fe_phy_connect(struct fe_priv *priv)
+{
+	int i;
+
+	for (i = 0; i < 8; i++) {
+		if (priv->phy->phy_node[i]) {
+			if (!priv->phy_dev) {
+				priv->phy_dev = priv->phy->phy[i];
+				priv->phy_flags = FE_PHY_FLAG_PORT;
+			}
+		} else if (priv->mii_bus) {
+			struct phy_device *phydev;
+
+			phydev = mdiobus_get_phy(priv->mii_bus, i);
+			if (!phydev || phydev->attached_dev)
+				continue;
+
+			phy_init(priv, phydev);
+			if (!priv->phy_dev) {
+				priv->phy_dev = mdiobus_get_phy(priv->mii_bus, i);
+				priv->phy_flags = FE_PHY_FLAG_ATTACH;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static void fe_phy_disconnect(struct fe_priv *priv)
+{
+	unsigned long flags;
+	int i;
+
+	for (i = 0; i < 8; i++)
+		if (priv->phy->phy_fixed[i]) {
+			spin_lock_irqsave(&priv->phy->lock, flags);
+			priv->link[i] = 0;
+			if (priv->soc->mdio_adjust_link)
+				priv->soc->mdio_adjust_link(priv, i);
+			spin_unlock_irqrestore(&priv->phy->lock, flags);
+		} else if (priv->phy->phy[i]) {
+			phy_disconnect(priv->phy->phy[i]);
+		} else if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, i)) {
+			phy_detach(mdiobus_get_phy(priv->mii_bus, i));
+		}
+}
+
+static void fe_phy_start(struct fe_priv *priv)
+{
+	unsigned long flags;
+	int i;
+
+	for (i = 0; i < 8; i++) {
+		if (priv->phy->phy_fixed[i]) {
+			spin_lock_irqsave(&priv->phy->lock, flags);
+			priv->link[i] = 1;
+			if (priv->soc->mdio_adjust_link)
+				priv->soc->mdio_adjust_link(priv, i);
+			spin_unlock_irqrestore(&priv->phy->lock, flags);
+		} else if (priv->phy->phy[i]) {
+			phy_start(priv->phy->phy[i]);
+		}
+	}
+}
+
+static void fe_phy_stop(struct fe_priv *priv)
+{
+	unsigned long flags;
+	int i;
+
+	for (i = 0; i < 8; i++)
+		if (priv->phy->phy_fixed[i]) {
+			spin_lock_irqsave(&priv->phy->lock, flags);
+			priv->link[i] = 0;
+			if (priv->soc->mdio_adjust_link)
+				priv->soc->mdio_adjust_link(priv, i);
+			spin_unlock_irqrestore(&priv->phy->lock, flags);
+		} else if (priv->phy->phy[i]) {
+			phy_stop(priv->phy->phy[i]);
+		}
+}
+
+static struct fe_phy phy_ralink = {
+	.connect = fe_phy_connect,
+	.disconnect = fe_phy_disconnect,
+	.start = fe_phy_start,
+	.stop = fe_phy_stop,
+};
+
+int fe_mdio_init(struct fe_priv *priv)
+{
+	struct device_node *mii_np;
+	int err;
+
+	if (!priv->soc->mdio_read || !priv->soc->mdio_write)
+		return 0;
+
+	spin_lock_init(&phy_ralink.lock);
+	priv->phy = &phy_ralink;
+
+	mii_np = of_get_child_by_name(priv->dev->of_node, "mdio-bus");
+	if (!mii_np) {
+		dev_err(priv->dev, "no %s child node found", "mdio-bus");
+		return -ENODEV;
+	}
+
+	if (!of_device_is_available(mii_np)) {
+		err = 0;
+		goto err_put_node;
+	}
+
+	priv->mii_bus = mdiobus_alloc();
+	if (!priv->mii_bus) {
+		err = -ENOMEM;
+		goto err_put_node;
+	}
+
+	priv->mii_bus->name = "mdio";
+	priv->mii_bus->read = priv->soc->mdio_read;
+	priv->mii_bus->write = priv->soc->mdio_write;
+	priv->mii_bus->reset = fe_mdio_reset;
+	priv->mii_bus->priv = priv;
+	priv->mii_bus->parent = priv->dev;
+
+	snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name);
+	err = of_mdiobus_register(priv->mii_bus, mii_np);
+	if (err)
+		goto err_free_bus;
+
+	return 0;
+
+err_free_bus:
+	kfree(priv->mii_bus);
+err_put_node:
+	of_node_put(mii_np);
+	priv->mii_bus = NULL;
+	return err;
+}
+
+void fe_mdio_cleanup(struct fe_priv *priv)
+{
+	if (!priv->mii_bus)
+		return;
+
+	mdiobus_unregister(priv->mii_bus);
+	of_node_put(priv->mii_bus->dev.of_node);
+	kfree(priv->mii_bus);
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.h
new file mode 100644
index 0000000000..d4a2a40473
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.h
@@ -0,0 +1,28 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_MDIO_H__
+#define _RALINK_MDIO_H__
+
+#ifdef CONFIG_NET_RALINK_MDIO
+int fe_mdio_init(struct fe_priv *priv);
+void fe_mdio_cleanup(struct fe_priv *priv);
+int fe_connect_phy_node(struct fe_priv *priv,
+			struct device_node *phy_node,
+			int port);
+#else
+static inline int fe_mdio_init(struct fe_priv *priv) { return 0; }
+static inline void fe_mdio_cleanup(struct fe_priv *priv) {}
+#endif
+#endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_mt7620.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_mt7620.c
new file mode 100644
index 0000000000..9efe7896a5
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_mt7620.c
@@ -0,0 +1,168 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+#include "mdio.h"
+
+static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw)
+{
+	unsigned long t_start = jiffies;
+
+	while (1) {
+		if (!(mtk_switch_r32(gsw, MT7620A_GSW_REG_PIAC) & GSW_MDIO_ACCESS))
+			return 0;
+		if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT))
+			break;
+	}
+
+	dev_err(gsw->dev, "mdio: MDIO timeout\n");
+	return -1;
+}
+
+u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr,
+			     u32 phy_register, u32 write_data)
+{
+	if (mt7620_mii_busy_wait(gsw))
+		return -1;
+
+	write_data &= 0xffff;
+
+	mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE |
+		(phy_register << GSW_MDIO_REG_SHIFT) |
+		(phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data,
+		MT7620A_GSW_REG_PIAC);
+
+	if (mt7620_mii_busy_wait(gsw))
+		return -1;
+
+	return 0;
+}
+
+u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg)
+{
+	u32 d;
+
+	if (mt7620_mii_busy_wait(gsw))
+		return 0xffff;
+
+	mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ |
+		(phy_reg << GSW_MDIO_REG_SHIFT) |
+		(phy_addr << GSW_MDIO_ADDR_SHIFT),
+		MT7620A_GSW_REG_PIAC);
+
+	if (mt7620_mii_busy_wait(gsw))
+		return 0xffff;
+
+	d = mtk_switch_r32(gsw, MT7620A_GSW_REG_PIAC) & 0xffff;
+
+	return d;
+}
+
+int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
+{
+	struct fe_priv *priv = bus->priv;
+	struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+
+	return _mt7620_mii_write(gsw, phy_addr, phy_reg, val);
+}
+
+int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
+{
+	struct fe_priv *priv = bus->priv;
+	struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+
+	return _mt7620_mii_read(gsw, phy_addr, phy_reg);
+}
+
+void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val)
+{
+	_mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+	_mt7620_mii_write(gsw, 0x1f, (reg >> 2) & 0xf,  val & 0xffff);
+	_mt7620_mii_write(gsw, 0x1f, 0x10, val >> 16);
+}
+
+u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg)
+{
+	u16 high, low;
+
+	_mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+	low = _mt7620_mii_read(gsw, 0x1f, (reg >> 2) & 0xf);
+	high = _mt7620_mii_read(gsw, 0x1f, 0x10);
+
+	return (high << 16) | (low & 0xffff);
+}
+
+static unsigned char *fe_speed_str(int speed)
+{
+	switch (speed) {
+	case 2:
+	case SPEED_1000:
+		return "1000";
+	case 1:
+	case SPEED_100:
+		return "100";
+	case 0:
+	case SPEED_10:
+		return "10";
+	}
+
+	return "? ";
+}
+
+int mt7620_has_carrier(struct fe_priv *priv)
+{
+	struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+	int i;
+
+	for (i = 0; i < GSW_PORT6; i++)
+		if (mtk_switch_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1)
+			return 1;
+	return 0;
+}
+
+
+void mt7620_handle_carrier(struct fe_priv *priv)
+{
+	if (!priv->phy)
+		return;
+
+	if (mt7620_has_carrier(priv))
+		netif_carrier_on(priv->netdev);
+	else
+		netif_carrier_off(priv->netdev);
+}
+
+void mt7620_print_link_state(struct fe_priv *priv, int port, int link,
+			     int speed, int duplex)
+{
+	if (link)
+		netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
+			    port, fe_speed_str(speed),
+			    (duplex) ? "Full" : "Half");
+	else
+		netdev_info(priv->netdev, "port %d link down\n", port);
+}
+
+void mt7620_mdio_link_adjust(struct fe_priv *priv, int port)
+{
+	mt7620_print_link_state(priv, port, priv->link[port],
+				priv->phy->speed[port],
+				(priv->phy->duplex[port] == DUPLEX_FULL));
+	mt7620_handle_carrier(priv);
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c
new file mode 100644
index 0000000000..8d82c8f7ad
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c
@@ -0,0 +1,222 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio_rt2880.h"
+#include "mdio.h"
+
+#define FE_MDIO_RETRY	1000
+
+static unsigned char *rt2880_speed_str(struct fe_priv *priv)
+{
+	switch (priv->phy->speed[0]) {
+	case SPEED_1000:
+		return "1000";
+	case SPEED_100:
+		return "100";
+	case SPEED_10:
+		return "10";
+	}
+
+	return "?";
+}
+
+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port)
+{
+	u32 mdio_cfg;
+
+	if (!priv->link[0]) {
+		netif_carrier_off(priv->netdev);
+		netdev_info(priv->netdev, "link down\n");
+		return;
+	}
+
+	mdio_cfg = FE_MDIO_CFG_TX_CLK_SKEW_200 |
+		   FE_MDIO_CFG_RX_CLK_SKEW_200 |
+		   FE_MDIO_CFG_GP1_FRC_EN;
+
+	if (priv->phy->duplex[0] == DUPLEX_FULL)
+		mdio_cfg |= FE_MDIO_CFG_GP1_DUPLEX;
+
+	if (priv->phy->tx_fc[0])
+		mdio_cfg |= FE_MDIO_CFG_GP1_FC_TX;
+
+	if (priv->phy->rx_fc[0])
+		mdio_cfg |= FE_MDIO_CFG_GP1_FC_RX;
+
+	switch (priv->phy->speed[0]) {
+	case SPEED_10:
+		mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_10;
+		break;
+	case SPEED_100:
+		mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_100;
+		break;
+	case SPEED_1000:
+		mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_1000;
+		break;
+	default:
+		BUG();
+	}
+
+	fe_w32(mdio_cfg, FE_MDIO_CFG);
+
+	netif_carrier_on(priv->netdev);
+	netdev_info(priv->netdev, "link up (%sMbps/%s duplex)\n",
+		    rt2880_speed_str(priv),
+		    (priv->phy->duplex[0] == DUPLEX_FULL) ? "Full" : "Half");
+}
+
+static int rt2880_mdio_wait_ready(struct fe_priv *priv)
+{
+	int retries;
+
+	retries = FE_MDIO_RETRY;
+	while (1) {
+		u32 t;
+
+		t = fe_r32(FE_MDIO_ACCESS);
+		if ((t & BIT(31)) == 0)
+			return 0;
+
+		if (retries-- == 0)
+			break;
+
+		udelay(1);
+	}
+
+	dev_err(priv->dev, "MDIO operation timed out\n");
+	return -ETIMEDOUT;
+}
+
+int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
+{
+	struct fe_priv *priv = bus->priv;
+	int err;
+	u32 t;
+
+	err = rt2880_mdio_wait_ready(priv);
+	if (err)
+		return 0xffff;
+
+	t = (phy_addr << 24) | (phy_reg << 16);
+	fe_w32(t, FE_MDIO_ACCESS);
+	t |= BIT(31);
+	fe_w32(t, FE_MDIO_ACCESS);
+
+	err = rt2880_mdio_wait_ready(priv);
+	if (err)
+		return 0xffff;
+
+	pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
+		 phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
+
+	return fe_r32(FE_MDIO_ACCESS) & 0xffff;
+}
+
+int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
+{
+	struct fe_priv *priv = bus->priv;
+	int err;
+	u32 t;
+
+	pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
+		 phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
+
+	err = rt2880_mdio_wait_ready(priv);
+	if (err)
+		return err;
+
+	t = (1 << 30) | (phy_addr << 24) | (phy_reg << 16) | val;
+	fe_w32(t, FE_MDIO_ACCESS);
+	t |= BIT(31);
+	fe_w32(t, FE_MDIO_ACCESS);
+
+	return rt2880_mdio_wait_ready(priv);
+}
+
+void rt2880_port_init(struct fe_priv *priv, struct device_node *np)
+{
+	const __be32 *id = of_get_property(np, "reg", NULL);
+	const __be32 *link;
+	int size;
+	int phy_mode;
+
+	if (!id || (be32_to_cpu(*id) != 0)) {
+		pr_err("%s: invalid port id\n", np->name);
+		return;
+	}
+
+	priv->phy->phy_fixed[0] = of_get_property(np,
+						  "mediatek,fixed-link", &size);
+	if (priv->phy->phy_fixed[0] &&
+	    (size != (4 * sizeof(*priv->phy->phy_fixed[0])))) {
+		pr_err("%s: invalid fixed link property\n", np->name);
+		priv->phy->phy_fixed[0] = NULL;
+		return;
+	}
+
+	phy_mode = of_get_phy_mode(np);
+	switch (phy_mode) {
+	case PHY_INTERFACE_MODE_RGMII:
+		break;
+	case PHY_INTERFACE_MODE_MII:
+		break;
+	case PHY_INTERFACE_MODE_RMII:
+		break;
+	default:
+		if (!priv->phy->phy_fixed[0])
+			dev_err(priv->dev, "port %d - invalid phy mode\n",
+				priv->phy->speed[0]);
+		break;
+	}
+
+	priv->phy->phy_node[0] = of_parse_phandle(np, "phy-handle", 0);
+	if (!priv->phy->phy_node[0] && !priv->phy->phy_fixed[0])
+		return;
+
+	if (priv->phy->phy_fixed[0]) {
+		link = priv->phy->phy_fixed[0];
+		priv->phy->speed[0] = be32_to_cpup(link++);
+		priv->phy->duplex[0] = be32_to_cpup(link++);
+		priv->phy->tx_fc[0] = be32_to_cpup(link++);
+		priv->phy->rx_fc[0] = be32_to_cpup(link++);
+
+		priv->link[0] = 1;
+		switch (priv->phy->speed[0]) {
+		case SPEED_10:
+			break;
+		case SPEED_100:
+			break;
+		case SPEED_1000:
+			break;
+		default:
+			dev_err(priv->dev, "invalid link speed: %d\n",
+				priv->phy->speed[0]);
+			priv->phy->phy_fixed[0] = 0;
+			return;
+		}
+		dev_info(priv->dev, "using fixed link parameters\n");
+		rt2880_mdio_link_adjust(priv, 0);
+		return;
+	}
+
+	if (priv->phy->phy_node[0] && mdiobus_get_phy(priv->mii_bus, 0))
+		fe_connect_phy_node(priv, priv->phy->phy_node[0], 0);
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.h
new file mode 100644
index 0000000000..70e344283e
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.h
@@ -0,0 +1,23 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_MDIO_RT2880_H__
+#define _RALINK_MDIO_RT2880_H__
+
+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port);
+int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
+int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
+void rt2880_port_init(struct fe_priv *priv, struct device_node *np);
+
+#endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.c
new file mode 100644
index 0000000000..d1e56a76e9
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.c
@@ -0,0 +1,1120 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2016 Vitaly Chekryzhev <13hakta@gmail.com>
+ */
+
+#include <linux/if.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/if_ether.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <linux/bitops.h>
+#include <net/genetlink.h>
+#include <linux/switch.h>
+#include <linux/delay.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/lockdep.h>
+#include <linux/workqueue.h>
+#include <linux/of_device.h>
+
+#include "mt7530.h"
+
+#define MT7530_CPU_PORT		6
+#define MT7530_NUM_PORTS	8
+#ifdef CONFIG_SOC_MT7621
+#define MT7530_NUM_VLANS	4095
+#else
+#define MT7530_NUM_VLANS	16
+#endif
+#define MT7530_MAX_VID		4095
+#define MT7530_MIN_VID		0
+
+#define MT7530_PORT_MIB_TXB_ID	2	/* TxGOC */
+#define MT7530_PORT_MIB_RXB_ID	6	/* RxGOC */
+
+#define MT7621_PORT_MIB_TXB_ID	18	/* TxByte */
+#define MT7621_PORT_MIB_RXB_ID	37	/* RxByte */
+
+/* registers */
+#define REG_ESW_WT_MAC_MFC		0x10
+
+#define REG_ESW_WT_MAC_MFC_MIRROR_ENABLE	BIT(3)
+#define REG_ESW_WT_MAC_MFC_MIRROR_DEST_MASK	0x07
+
+#define REG_ESW_VLAN_VTCR		0x90
+#define REG_ESW_VLAN_VAWD1		0x94
+#define REG_ESW_VLAN_VAWD2		0x98
+#define REG_ESW_VLAN_VTIM(x)	(0x100 + 4 * ((x) / 2))
+
+#define REG_ESW_VLAN_VAWD1_IVL_MAC	BIT(30)
+#define REG_ESW_VLAN_VAWD1_VTAG_EN	BIT(28)
+#define REG_ESW_VLAN_VAWD1_VALID	BIT(0)
+
+/* vlan egress mode */
+enum {
+	ETAG_CTRL_UNTAG	= 0,
+	ETAG_CTRL_TAG	= 2,
+	ETAG_CTRL_SWAP	= 1,
+	ETAG_CTRL_STACK	= 3,
+};
+
+#define REG_ESW_PORT_PCR(x)	(0x2004 | ((x) << 8))
+#define REG_ESW_PORT_PVC(x)	(0x2010 | ((x) << 8))
+#define REG_ESW_PORT_PPBV1(x)	(0x2014 | ((x) << 8))
+
+#define REG_ESW_PORT_PCR_MIRROR_SRC_RX_BIT	BIT(8)
+#define REG_ESW_PORT_PCR_MIRROR_SRC_TX_BIT	BIT(9)
+#define REG_ESW_PORT_PCR_MIRROR_SRC_RX_MASK	0x0100
+#define REG_ESW_PORT_PCR_MIRROR_SRC_TX_MASK	0x0200
+
+#define REG_HWTRAP		0x7804
+
+#define MIB_DESC(_s , _o, _n)   \
+	{                       \
+		.size = (_s),   \
+		.offset = (_o), \
+		.name = (_n),   \
+	}
+
+struct mt7xxx_mib_desc {
+	unsigned int size;
+	unsigned int offset;
+	const char *name;
+};
+
+static const struct mt7xxx_mib_desc mt7620_mibs[] = {
+	MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_BCNT0, "PPE_AC_BCNT0"),
+	MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_PCNT0, "PPE_AC_PCNT0"),
+	MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_BCNT63, "PPE_AC_BCNT63"),
+	MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_PCNT63, "PPE_AC_PCNT63"),
+	MIB_DESC(1, MT7620_MIB_STATS_PPE_MTR_CNT0, "PPE_MTR_CNT0"),
+	MIB_DESC(1, MT7620_MIB_STATS_PPE_MTR_CNT63, "PPE_MTR_CNT63"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_GBCNT, "GDM1_TX_GBCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_GPCNT, "GDM1_TX_GPCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_SKIPCNT, "GDM1_TX_SKIPCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_COLCNT, "GDM1_TX_COLCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_GBCNT1, "GDM1_RX_GBCNT1"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_GPCNT1, "GDM1_RX_GPCNT1"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_OERCNT, "GDM1_RX_OERCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_FERCNT, "GDM1_RX_FERCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_SERCNT, "GDM1_RX_SERCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_LERCNT, "GDM1_RX_LERCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_CERCNT, "GDM1_RX_CERCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_FCCNT, "GDM1_RX_FCCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_GBCNT, "GDM2_TX_GBCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_GPCNT, "GDM2_TX_GPCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_SKIPCNT, "GDM2_TX_SKIPCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_COLCNT, "GDM2_TX_COLCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_GBCNT, "GDM2_RX_GBCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_GPCNT, "GDM2_RX_GPCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_OERCNT, "GDM2_RX_OERCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_FERCNT, "GDM2_RX_FERCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_SERCNT, "GDM2_RX_SERCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_LERCNT, "GDM2_RX_LERCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_CERCNT, "GDM2_RX_CERCNT"),
+	MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_FCCNT, "GDM2_RX_FCCNT")
+};
+
+static const struct mt7xxx_mib_desc mt7620_port_mibs[] = {
+	MIB_DESC(1, MT7620_MIB_STATS_PORT_TGPCN,  "TxGPC"),
+	MIB_DESC(1, MT7620_MIB_STATS_PORT_TBOCN,  "TxBOC"),
+	MIB_DESC(1, MT7620_MIB_STATS_PORT_TGOCN,  "TxGOC"),
+	MIB_DESC(1, MT7620_MIB_STATS_PORT_TEPCN,  "TxEPC"),
+	MIB_DESC(1, MT7620_MIB_STATS_PORT_RGPCN,  "RxGPC"),
+	MIB_DESC(1, MT7620_MIB_STATS_PORT_RBOCN,  "RxBOC"),
+	MIB_DESC(1, MT7620_MIB_STATS_PORT_RGOCN,  "RxGOC"),
+	MIB_DESC(1, MT7620_MIB_STATS_PORT_REPC1N, "RxEPC1"),
+	MIB_DESC(1, MT7620_MIB_STATS_PORT_REPC2N, "RxEPC2")
+};
+
+static const struct mt7xxx_mib_desc mt7621_mibs[] = {
+	MIB_DESC(1, MT7621_STATS_TDPC, "TxDrop"),
+	MIB_DESC(1, MT7621_STATS_TCRC, "TxCRC"),
+	MIB_DESC(1, MT7621_STATS_TUPC, "TxUni"),
+	MIB_DESC(1, MT7621_STATS_TMPC, "TxMulti"),
+	MIB_DESC(1, MT7621_STATS_TBPC, "TxBroad"),
+	MIB_DESC(1, MT7621_STATS_TCEC, "TxCollision"),
+	MIB_DESC(1, MT7621_STATS_TSCEC, "TxSingleCol"),
+	MIB_DESC(1, MT7621_STATS_TMCEC, "TxMultiCol"),
+	MIB_DESC(1, MT7621_STATS_TDEC, "TxDefer"),
+	MIB_DESC(1, MT7621_STATS_TLCEC, "TxLateCol"),
+	MIB_DESC(1, MT7621_STATS_TXCEC, "TxExcCol"),
+	MIB_DESC(1, MT7621_STATS_TPPC, "TxPause"),
+	MIB_DESC(1, MT7621_STATS_TL64PC, "Tx64Byte"),
+	MIB_DESC(1, MT7621_STATS_TL65PC, "Tx65Byte"),
+	MIB_DESC(1, MT7621_STATS_TL128PC, "Tx128Byte"),
+	MIB_DESC(1, MT7621_STATS_TL256PC, "Tx256Byte"),
+	MIB_DESC(1, MT7621_STATS_TL512PC, "Tx512Byte"),
+	MIB_DESC(1, MT7621_STATS_TL1024PC, "Tx1024Byte"),
+	MIB_DESC(2, MT7621_STATS_TOC, "TxByte"),
+	MIB_DESC(1, MT7621_STATS_RDPC, "RxDrop"),
+	MIB_DESC(1, MT7621_STATS_RFPC, "RxFiltered"),
+	MIB_DESC(1, MT7621_STATS_RUPC, "RxUni"),
+	MIB_DESC(1, MT7621_STATS_RMPC, "RxMulti"),
+	MIB_DESC(1, MT7621_STATS_RBPC, "RxBroad"),
+	MIB_DESC(1, MT7621_STATS_RAEPC, "RxAlignErr"),
+	MIB_DESC(1, MT7621_STATS_RCEPC, "RxCRC"),
+	MIB_DESC(1, MT7621_STATS_RUSPC, "RxUnderSize"),
+	MIB_DESC(1, MT7621_STATS_RFEPC, "RxFragment"),
+	MIB_DESC(1, MT7621_STATS_ROSPC, "RxOverSize"),
+	MIB_DESC(1, MT7621_STATS_RJEPC, "RxJabber"),
+	MIB_DESC(1, MT7621_STATS_RPPC, "RxPause"),
+	MIB_DESC(1, MT7621_STATS_RL64PC, "Rx64Byte"),
+	MIB_DESC(1, MT7621_STATS_RL65PC, "Rx65Byte"),
+	MIB_DESC(1, MT7621_STATS_RL128PC, "Rx128Byte"),
+	MIB_DESC(1, MT7621_STATS_RL256PC, "Rx256Byte"),
+	MIB_DESC(1, MT7621_STATS_RL512PC, "Rx512Byte"),
+	MIB_DESC(1, MT7621_STATS_RL1024PC, "Rx1024Byte"),
+	MIB_DESC(2, MT7621_STATS_ROC, "RxByte"),
+	MIB_DESC(1, MT7621_STATS_RDPC_CTRL, "RxCtrlDrop"),
+	MIB_DESC(1, MT7621_STATS_RDPC_ING, "RxIngDrop"),
+	MIB_DESC(1, MT7621_STATS_RDPC_ARL, "RxARLDrop")
+};
+
+enum {
+	/* Global attributes. */
+	MT7530_ATTR_ENABLE_VLAN,
+};
+
+struct mt7530_port_entry {
+	u16	pvid;
+	bool	mirror_rx;
+	bool	mirror_tx;
+};
+
+struct mt7530_vlan_entry {
+	u16	vid;
+	u8	member;
+	u8	etags;
+};
+
+struct mt7530_priv {
+	void __iomem		*base;
+	struct mii_bus		*bus;
+	struct switch_dev	swdev;
+
+	u8			mirror_dest_port;
+	bool			global_vlan_enable;
+	struct mt7530_vlan_entry	vlan_entries[MT7530_NUM_VLANS];
+	struct mt7530_port_entry	port_entries[MT7530_NUM_PORTS];
+};
+
+struct mt7530_mapping {
+	char	*name;
+	u16	pvids[MT7530_NUM_PORTS];
+	u8	members[MT7530_NUM_VLANS];
+	u8	etags[MT7530_NUM_VLANS];
+	u16	vids[MT7530_NUM_VLANS];
+} mt7530_defaults[] = {
+	{
+		.name = "llllw",
+		.pvids = { 1, 1, 1, 1, 2, 1, 1 },
+		.members = { 0, 0x6f, 0x50 },
+		.etags = { 0, 0x40, 0x40 },
+		.vids = { 0, 1, 2 },
+	}, {
+		.name = "wllll",
+		.pvids = { 2, 1, 1, 1, 1, 1, 1 },
+		.members = { 0, 0x7e, 0x41 },
+		.etags = { 0, 0x40, 0x40 },
+		.vids = { 0, 1, 2 },
+	}, {
+		.name = "lwlll",
+		.pvids = { 1, 2, 1, 1, 1, 1, 1 },
+		.members = { 0, 0x7d, 0x42 },
+		.etags = { 0, 0x40, 0x40 },
+		.vids = { 0, 1, 2 },
+	},
+};
+
+struct mt7530_mapping*
+mt7530_find_mapping(struct device_node *np)
+{
+	const char *map;
+	int i;
+
+	if (of_property_read_string(np, "mediatek,portmap", &map))
+		return NULL;
+
+	for (i = 0; i < ARRAY_SIZE(mt7530_defaults); i++)
+		if (!strcmp(map, mt7530_defaults[i].name))
+			return &mt7530_defaults[i];
+
+	return NULL;
+}
+
+static void
+mt7530_apply_mapping(struct mt7530_priv *mt7530, struct mt7530_mapping *map)
+{
+	int i = 0;
+
+	for (i = 0; i < MT7530_NUM_PORTS; i++)
+		mt7530->port_entries[i].pvid = map->pvids[i];
+
+	for (i = 0; i < MT7530_NUM_VLANS; i++) {
+		mt7530->vlan_entries[i].member = map->members[i];
+		mt7530->vlan_entries[i].etags = map->etags[i];
+		mt7530->vlan_entries[i].vid = map->vids[i];
+	}
+}
+
+static int
+mt7530_reset_switch(struct switch_dev *dev)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+	int i;
+
+	memset(priv->port_entries, 0, sizeof(priv->port_entries));
+	memset(priv->vlan_entries, 0, sizeof(priv->vlan_entries));
+
+	/* set default vid of each vlan to the same number of vlan, so the vid
+	 * won't need be set explicitly.
+	 */
+	for (i = 0; i < MT7530_NUM_VLANS; i++) {
+		priv->vlan_entries[i].vid = i;
+	}
+
+	return 0;
+}
+
+static int
+mt7530_get_vlan_enable(struct switch_dev *dev,
+			   const struct switch_attr *attr,
+			   struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	val->value.i = priv->global_vlan_enable;
+
+	return 0;
+}
+
+static int
+mt7530_set_vlan_enable(struct switch_dev *dev,
+			   const struct switch_attr *attr,
+			   struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	priv->global_vlan_enable = val->value.i != 0;
+
+	return 0;
+}
+
+static u32
+mt7530_r32(struct mt7530_priv *priv, u32 reg)
+{
+	u32 val;
+	if (priv->bus) {
+		u16 high, low;
+
+		mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+		low = mdiobus_read(priv->bus, 0x1f, (reg >> 2) & 0xf);
+		high = mdiobus_read(priv->bus, 0x1f, 0x10);
+
+		return (high << 16) | (low & 0xffff);
+	}
+
+	val = ioread32(priv->base + reg);
+	pr_debug("MT7530 MDIO Read [%04x]=%08x\n", reg, val);
+
+	return val;
+}
+
+static void
+mt7530_w32(struct mt7530_priv *priv, u32 reg, u32 val)
+{
+	if (priv->bus) {
+		mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+		mdiobus_write(priv->bus, 0x1f, (reg >> 2) & 0xf,  val & 0xffff);
+		mdiobus_write(priv->bus, 0x1f, 0x10, val >> 16);
+		return;
+	}
+
+	pr_debug("MT7530 MDIO Write[%04x]=%08x\n", reg, val);
+	iowrite32(val, priv->base + reg);
+}
+
+static void
+mt7530_vtcr(struct mt7530_priv *priv, u32 cmd, u32 val)
+{
+	int i;
+
+	mt7530_w32(priv, REG_ESW_VLAN_VTCR, BIT(31) | (cmd << 12) | val);
+
+	for (i = 0; i < 20; i++) {
+		u32 val = mt7530_r32(priv, REG_ESW_VLAN_VTCR);
+
+		if ((val & BIT(31)) == 0)
+			break;
+
+		udelay(1000);
+	}
+	if (i == 20)
+		printk("mt7530: vtcr timeout\n");
+}
+
+static int
+mt7530_get_port_pvid(struct switch_dev *dev, int port, int *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	if (port >= MT7530_NUM_PORTS)
+		return -EINVAL;
+
+	*val = mt7530_r32(priv, REG_ESW_PORT_PPBV1(port));
+	*val &= 0xfff;
+
+	return 0;
+}
+
+static int
+mt7530_set_port_pvid(struct switch_dev *dev, int port, int pvid)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	if (port >= MT7530_NUM_PORTS)
+		return -EINVAL;
+
+	if (pvid < MT7530_MIN_VID || pvid > MT7530_MAX_VID)
+		return -EINVAL;
+
+	priv->port_entries[port].pvid = pvid;
+
+	return 0;
+}
+
+static int
+mt7530_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+	u32 member;
+	u32 etags;
+	int i;
+
+	val->len = 0;
+
+	if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VLANS)
+		return -EINVAL;
+
+	mt7530_vtcr(priv, 0, val->port_vlan);
+
+	member = mt7530_r32(priv, REG_ESW_VLAN_VAWD1);
+	member >>= 16;
+	member &= 0xff;
+
+	etags = mt7530_r32(priv, REG_ESW_VLAN_VAWD2);
+
+	for (i = 0; i < MT7530_NUM_PORTS; i++) {
+		struct switch_port *p;
+		int etag;
+
+		if (!(member & BIT(i)))
+			continue;
+
+		p = &val->value.ports[val->len++];
+		p->id = i;
+
+		etag = (etags >> (i * 2)) & 0x3;
+
+		if (etag == ETAG_CTRL_TAG)
+			p->flags |= BIT(SWITCH_PORT_FLAG_TAGGED);
+		else if (etag != ETAG_CTRL_UNTAG)
+			printk("vlan %d port %d egress tag control neither untag nor tag: %d.\n",
+					val->port_vlan, i, etag);
+	}
+
+	return 0;
+}
+
+static int
+mt7530_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+	u8 member = 0;
+	u8 etags = 0;
+	int i;
+
+	if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VLANS ||
+			val->len > MT7530_NUM_PORTS)
+		return -EINVAL;
+
+	for (i = 0; i < val->len; i++) {
+		struct switch_port *p = &val->value.ports[i];
+
+		if (p->id >= MT7530_NUM_PORTS)
+			return -EINVAL;
+
+		member |= BIT(p->id);
+
+		if (p->flags & BIT(SWITCH_PORT_FLAG_TAGGED))
+			etags |= BIT(p->id);
+	}
+	priv->vlan_entries[val->port_vlan].member = member;
+	priv->vlan_entries[val->port_vlan].etags = etags;
+
+	return 0;
+}
+
+static int
+mt7530_set_vid(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+	int vlan;
+	u16 vid;
+
+	vlan = val->port_vlan;
+	vid = (u16)val->value.i;
+
+	if (vlan < 0 || vlan >= MT7530_NUM_VLANS)
+		return -EINVAL;
+
+	if (vid < MT7530_MIN_VID || vid > MT7530_MAX_VID)
+		return -EINVAL;
+
+	priv->vlan_entries[vlan].vid = vid;
+	return 0;
+}
+
+static int
+mt7621_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	val->value.i = val->port_vlan;
+	return 0;
+}
+
+static int
+mt7530_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+	u32 vid;
+	int vlan;
+
+	vlan = val->port_vlan;
+
+	vid = mt7530_r32(priv, REG_ESW_VLAN_VTIM(vlan));
+	if (vlan & 1)
+		vid = vid >> 12;
+	vid &= 0xfff;
+
+	val->value.i = vid;
+	return 0;
+}
+
+static int
+mt7530_get_mirror_monitor_port(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	val->value.i = priv->mirror_dest_port;
+
+	return 0;
+}
+
+static int
+mt7530_set_mirror_monitor_port(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	priv->mirror_dest_port = val->value.i;
+
+	return 0;
+}
+
+static int
+mt7530_get_port_mirror_rx(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	val->value.i =  priv->port_entries[val->port_vlan].mirror_rx;
+
+	return 0;
+}
+
+static int
+mt7530_set_port_mirror_rx(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	priv->port_entries[val->port_vlan].mirror_rx = val->value.i;
+
+	return 0;
+}
+
+static int
+mt7530_get_port_mirror_tx(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	val->value.i =  priv->port_entries[val->port_vlan].mirror_tx;
+
+	return 0;
+}
+
+static int
+mt7530_set_port_mirror_tx(struct switch_dev *dev, const struct switch_attr *attr,
+		struct switch_val *val)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	priv->port_entries[val->port_vlan].mirror_tx = val->value.i;
+
+	return 0;
+}
+
+static void
+mt7530_write_vlan_entry(struct mt7530_priv *priv, int vlan, u16 vid,
+	                    u8 ports, u8 etags)
+{
+	int port;
+	u32 val;
+
+#ifndef CONFIG_SOC_MT7621
+	/* vid of vlan */
+	val = mt7530_r32(priv, REG_ESW_VLAN_VTIM(vlan));
+	if (vlan % 2 == 0) {
+		val &= 0xfff000;
+		val |= vid;
+	} else {
+		val &= 0xfff;
+		val |= (vid << 12);
+	}
+	mt7530_w32(priv, REG_ESW_VLAN_VTIM(vlan), val);
+#endif
+
+	/* vlan port membership */
+	if (ports)
+		mt7530_w32(priv, REG_ESW_VLAN_VAWD1, REG_ESW_VLAN_VAWD1_IVL_MAC |
+			REG_ESW_VLAN_VAWD1_VTAG_EN | (ports << 16) |
+			REG_ESW_VLAN_VAWD1_VALID);
+	else
+		mt7530_w32(priv, REG_ESW_VLAN_VAWD1, 0);
+
+	/* egress mode */
+	val = 0;
+	for (port = 0; port < MT7530_NUM_PORTS; port++) {
+		if (etags & BIT(port))
+			val |= ETAG_CTRL_TAG << (port * 2);
+		else
+			val |= ETAG_CTRL_UNTAG << (port * 2);
+	}
+	mt7530_w32(priv, REG_ESW_VLAN_VAWD2, val);
+
+	/* write to vlan table */
+#ifdef CONFIG_SOC_MT7621
+	mt7530_vtcr(priv, 1, vid);
+#else
+	mt7530_vtcr(priv, 1, vlan);
+#endif
+}
+
+static int
+mt7530_apply_config(struct switch_dev *dev)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+	int i, j;
+	u8 tag_ports;
+	u8 untag_ports;
+	bool is_mirror = false;
+
+	if (!priv->global_vlan_enable) {
+		for (i = 0; i < MT7530_NUM_PORTS; i++)
+			mt7530_w32(priv, REG_ESW_PORT_PCR(i), 0x00400000);
+
+		mt7530_w32(priv, REG_ESW_PORT_PCR(MT7530_CPU_PORT), 0x00ff0000);
+
+		for (i = 0; i < MT7530_NUM_PORTS; i++)
+			mt7530_w32(priv, REG_ESW_PORT_PVC(i), 0x810000c0);
+
+		return 0;
+	}
+
+	/* set all ports as security mode */
+	for (i = 0; i < MT7530_NUM_PORTS; i++)
+		mt7530_w32(priv, REG_ESW_PORT_PCR(i), 0x00ff0003);
+
+	/* check if a port is used in tag/untag vlan egress mode */
+	tag_ports = 0;
+	untag_ports = 0;
+
+	for (i = 0; i < MT7530_NUM_VLANS; i++) {
+		u8 member = priv->vlan_entries[i].member;
+		u8 etags = priv->vlan_entries[i].etags;
+
+		if (!member)
+			continue;
+
+		for (j = 0; j < MT7530_NUM_PORTS; j++) {
+			if (!(member & BIT(j)))
+				continue;
+
+			if (etags & BIT(j))
+				tag_ports |= 1u << j;
+			else
+				untag_ports |= 1u << j;
+		}
+	}
+
+	/* set all untag-only ports as transparent and the rest as user port */
+	for (i = 0; i < MT7530_NUM_PORTS; i++) {
+		u32 pvc_mode = 0x81000000;
+
+		if (untag_ports & BIT(i) && !(tag_ports & BIT(i)))
+			pvc_mode = 0x810000c0;
+
+		mt7530_w32(priv, REG_ESW_PORT_PVC(i), pvc_mode);
+	}
+
+	/* first clear the swtich vlan table */
+	for (i = 0; i < MT7530_NUM_VLANS; i++)
+		mt7530_write_vlan_entry(priv, i, i, 0, 0);
+
+	/* now program only vlans with members to avoid
+	   clobbering remapped entries in later iterations */
+	for (i = 0; i < MT7530_NUM_VLANS; i++) {
+		u16 vid = priv->vlan_entries[i].vid;
+		u8 member = priv->vlan_entries[i].member;
+		u8 etags = priv->vlan_entries[i].etags;
+
+		if (member)
+			mt7530_write_vlan_entry(priv, i, vid, member, etags);
+	}
+
+	/* Port Default PVID */
+	for (i = 0; i < MT7530_NUM_PORTS; i++) {
+		int vlan = priv->port_entries[i].pvid;
+		u16 pvid = 0;
+		u32 val;
+
+		if (vlan < MT7530_NUM_VLANS && priv->vlan_entries[vlan].member)
+			pvid = priv->vlan_entries[vlan].vid;
+
+		val = mt7530_r32(priv, REG_ESW_PORT_PPBV1(i));
+		val &= ~0xfff;
+		val |= pvid;
+		mt7530_w32(priv, REG_ESW_PORT_PPBV1(i), val);
+	}
+
+	/* set mirroring source port */
+	for (i = 0; i < MT7530_NUM_PORTS; i++)	{
+		u32 val = mt7530_r32(priv, REG_ESW_PORT_PCR(i));
+		if (priv->port_entries[i].mirror_rx) {
+			val |= REG_ESW_PORT_PCR_MIRROR_SRC_RX_BIT;
+			is_mirror = true;
+		}
+
+		if (priv->port_entries[i].mirror_tx) {
+			val |= REG_ESW_PORT_PCR_MIRROR_SRC_TX_BIT;
+			is_mirror = true;
+		}
+
+		mt7530_w32(priv, REG_ESW_PORT_PCR(i), val);
+	}
+
+	/* set mirroring monitor port */
+	if (is_mirror) {
+		u32 val = mt7530_r32(priv, REG_ESW_WT_MAC_MFC);
+		val |= REG_ESW_WT_MAC_MFC_MIRROR_ENABLE;
+		val &= ~REG_ESW_WT_MAC_MFC_MIRROR_DEST_MASK;
+		val |= priv->mirror_dest_port;
+		mt7530_w32(priv, REG_ESW_WT_MAC_MFC, val);
+	}
+
+	return 0;
+}
+
+static int
+mt7530_get_port_link(struct switch_dev *dev,  int port,
+			struct switch_port_link *link)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+	u32 speed, pmsr;
+
+	if (port < 0 || port >= MT7530_NUM_PORTS)
+		return -EINVAL;
+
+	pmsr = mt7530_r32(priv, 0x3008 + (0x100 * port));
+
+	link->link = pmsr & 1;
+	link->duplex = (pmsr >> 1) & 1;
+	speed = (pmsr >> 2) & 3;
+
+	switch (speed) {
+	case 0:
+		link->speed = SWITCH_PORT_SPEED_10;
+		break;
+	case 1:
+		link->speed = SWITCH_PORT_SPEED_100;
+		break;
+	case 2:
+	case 3: /* forced gige speed can be 2 or 3 */
+		link->speed = SWITCH_PORT_SPEED_1000;
+		break;
+	default:
+		link->speed = SWITCH_PORT_SPEED_UNKNOWN;
+		break;
+	}
+
+	return 0;
+}
+
+static u64 get_mib_counter(struct mt7530_priv *priv, int i, int port)
+{
+	unsigned int port_base;
+	u64 lo;
+
+	port_base = MT7621_MIB_COUNTER_BASE +
+		    MT7621_MIB_COUNTER_PORT_OFFSET * port;
+
+	lo = mt7530_r32(priv, port_base + mt7621_mibs[i].offset);
+	if (mt7621_mibs[i].size == 2) {
+		u64 hi;
+
+		hi = mt7530_r32(priv, port_base + mt7621_mibs[i].offset + 4);
+		lo |= hi << 32;
+	}
+
+	return lo;
+}
+
+static int mt7621_sw_get_port_mib(struct switch_dev *dev,
+				  const struct switch_attr *attr,
+				  struct switch_val *val)
+{
+	static char buf[4096];
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+	int i, len = 0;
+
+	if (val->port_vlan >= MT7530_NUM_PORTS)
+		return -EINVAL;
+
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"Port %d MIB counters\n", val->port_vlan);
+
+	for (i = 0; i < ARRAY_SIZE(mt7621_mibs); ++i) {
+		u64 counter;
+		len += snprintf(buf + len, sizeof(buf) - len,
+				"%-11s: ", mt7621_mibs[i].name);
+		counter = get_mib_counter(priv, i, val->port_vlan);
+		len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
+				counter);
+	}
+
+	val->value.s = buf;
+	val->len = len;
+	return 0;
+}
+
+static u64 get_mib_counter_7620(struct mt7530_priv *priv, int i)
+{
+	return mt7530_r32(priv, MT7620_MIB_COUNTER_BASE + mt7620_mibs[i].offset);
+}
+
+static u64 get_mib_counter_port_7620(struct mt7530_priv *priv, int i, int port)
+{
+	return mt7530_r32(priv,
+			MT7620_MIB_COUNTER_BASE_PORT +
+			(MT7620_MIB_COUNTER_PORT_OFFSET * port) +
+			mt7620_port_mibs[i].offset);
+}
+
+static int mt7530_sw_get_mib(struct switch_dev *dev,
+				  const struct switch_attr *attr,
+				  struct switch_val *val)
+{
+	static char buf[4096];
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+	int i, len = 0;
+
+	len += snprintf(buf + len, sizeof(buf) - len, "Switch MIB counters\n");
+
+	for (i = 0; i < ARRAY_SIZE(mt7620_mibs); ++i) {
+		u64 counter;
+		len += snprintf(buf + len, sizeof(buf) - len,
+				"%-11s: ", mt7620_mibs[i].name);
+		counter = get_mib_counter_7620(priv, i);
+		len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
+				counter);
+	}
+
+	val->value.s = buf;
+	val->len = len;
+	return 0;
+}
+
+static int mt7530_sw_get_port_mib(struct switch_dev *dev,
+				  const struct switch_attr *attr,
+				  struct switch_val *val)
+{
+	static char buf[4096];
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+	int i, len = 0;
+
+	if (val->port_vlan >= MT7530_NUM_PORTS)
+		return -EINVAL;
+
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"Port %d MIB counters\n", val->port_vlan);
+
+	for (i = 0; i < ARRAY_SIZE(mt7620_port_mibs); ++i) {
+		u64 counter;
+		len += snprintf(buf + len, sizeof(buf) - len,
+				"%-11s: ", mt7620_port_mibs[i].name);
+		counter = get_mib_counter_port_7620(priv, i, val->port_vlan);
+		len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
+				counter);
+	}
+
+	val->value.s = buf;
+	val->len = len;
+	return 0;
+}
+
+static int mt7530_get_port_stats(struct switch_dev *dev, int port,
+					struct switch_port_stats *stats)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	if (port < 0 || port >= MT7530_NUM_PORTS)
+		return -EINVAL;
+
+	stats->tx_bytes = get_mib_counter_port_7620(priv, MT7530_PORT_MIB_TXB_ID, port);
+	stats->rx_bytes = get_mib_counter_port_7620(priv, MT7530_PORT_MIB_RXB_ID, port);
+
+	return 0;
+}
+
+static int mt7621_get_port_stats(struct switch_dev *dev, int port,
+					struct switch_port_stats *stats)
+{
+	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+	if (port < 0 || port >= MT7530_NUM_PORTS)
+		return -EINVAL;
+
+	stats->tx_bytes = get_mib_counter(priv, MT7621_PORT_MIB_TXB_ID, port);
+	stats->rx_bytes = get_mib_counter(priv, MT7621_PORT_MIB_RXB_ID, port);
+
+	return 0;
+}
+
+static const struct switch_attr mt7530_global[] = {
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_vlan",
+		.description = "VLAN mode (1:enabled)",
+		.max = 1,
+		.id = MT7530_ATTR_ENABLE_VLAN,
+		.get = mt7530_get_vlan_enable,
+		.set = mt7530_set_vlan_enable,
+	}, {
+		.type = SWITCH_TYPE_STRING,
+		.name = "mib",
+		.description = "Get MIB counters for switch",
+		.get = mt7530_sw_get_mib,
+		.set = NULL,
+	}, {
+		.type = SWITCH_TYPE_INT,
+		.name = "mirror_monitor_port",
+		.description = "Mirror monitor port",
+		.set = mt7530_set_mirror_monitor_port,
+		.get = mt7530_get_mirror_monitor_port,
+		.max = MT7530_NUM_PORTS - 1
+	},
+};
+
+static const struct switch_attr mt7621_port[] = {
+	{
+		.type = SWITCH_TYPE_STRING,
+		.name = "mib",
+		.description = "Get MIB counters for port",
+		.get = mt7621_sw_get_port_mib,
+		.set = NULL,
+	}, {
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_mirror_rx",
+		.description = "Enable mirroring of RX packets",
+		.set = mt7530_set_port_mirror_rx,
+		.get = mt7530_get_port_mirror_rx,
+		.max = 1,
+	}, {
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_mirror_tx",
+		.description = "Enable mirroring of TX packets",
+		.set = mt7530_set_port_mirror_tx,
+		.get = mt7530_get_port_mirror_tx,
+		.max = 1,
+	},
+};
+
+static const struct switch_attr mt7621_vlan[] = {
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "vid",
+		.description = "VLAN ID (0-4094)",
+		.set = mt7530_set_vid,
+		.get = mt7621_get_vid,
+		.max = 4094,
+	},
+};
+
+static const struct switch_attr mt7530_port[] = {
+	{
+		.type = SWITCH_TYPE_STRING,
+		.name = "mib",
+		.description = "Get MIB counters for port",
+		.get = mt7530_sw_get_port_mib,
+		.set = NULL,
+	}, {
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_mirror_rx",
+		.description = "Enable mirroring of RX packets",
+		.set = mt7530_set_port_mirror_rx,
+		.get = mt7530_get_port_mirror_rx,
+		.max = 1,
+	}, {
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_mirror_tx",
+		.description = "Enable mirroring of TX packets",
+		.set = mt7530_set_port_mirror_tx,
+		.get = mt7530_get_port_mirror_tx,
+		.max = 1,
+	},
+};
+
+static const struct switch_attr mt7530_vlan[] = {
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "vid",
+		.description = "VLAN ID (0-4094)",
+		.set = mt7530_set_vid,
+		.get = mt7530_get_vid,
+		.max = 4094,
+	},
+};
+
+static const struct switch_dev_ops mt7621_ops = {
+	.attr_global = {
+		.attr = mt7530_global,
+		.n_attr = ARRAY_SIZE(mt7530_global),
+	},
+	.attr_port = {
+		.attr = mt7621_port,
+		.n_attr = ARRAY_SIZE(mt7621_port),
+	},
+	.attr_vlan = {
+		.attr = mt7621_vlan,
+		.n_attr = ARRAY_SIZE(mt7621_vlan),
+	},
+	.get_vlan_ports = mt7530_get_vlan_ports,
+	.set_vlan_ports = mt7530_set_vlan_ports,
+	.get_port_pvid = mt7530_get_port_pvid,
+	.set_port_pvid = mt7530_set_port_pvid,
+	.get_port_link = mt7530_get_port_link,
+	.get_port_stats = mt7621_get_port_stats,
+	.apply_config = mt7530_apply_config,
+	.reset_switch = mt7530_reset_switch,
+};
+
+static const struct switch_dev_ops mt7530_ops = {
+	.attr_global = {
+		.attr = mt7530_global,
+		.n_attr = ARRAY_SIZE(mt7530_global),
+	},
+	.attr_port = {
+		.attr = mt7530_port,
+		.n_attr = ARRAY_SIZE(mt7530_port),
+	},
+	.attr_vlan = {
+		.attr = mt7530_vlan,
+		.n_attr = ARRAY_SIZE(mt7530_vlan),
+	},
+	.get_vlan_ports = mt7530_get_vlan_ports,
+	.set_vlan_ports = mt7530_set_vlan_ports,
+	.get_port_pvid = mt7530_get_port_pvid,
+	.set_port_pvid = mt7530_set_port_pvid,
+	.get_port_link = mt7530_get_port_link,
+	.get_port_stats = mt7530_get_port_stats,
+	.apply_config = mt7530_apply_config,
+	.reset_switch = mt7530_reset_switch,
+};
+
+int
+mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan)
+{
+	struct switch_dev *swdev;
+	struct mt7530_priv *mt7530;
+	struct mt7530_mapping *map;
+	int ret;
+
+	mt7530 = devm_kzalloc(dev, sizeof(struct mt7530_priv), GFP_KERNEL);
+	if (!mt7530)
+		return -ENOMEM;
+
+	mt7530->base = base;
+	mt7530->bus = bus;
+	mt7530->global_vlan_enable = vlan;
+
+	swdev = &mt7530->swdev;
+	if (bus) {
+		swdev->alias = "mt7530";
+		swdev->name = "mt7530";
+	} else if (IS_ENABLED(CONFIG_SOC_MT7621)) {
+		swdev->alias = "mt7621";
+		swdev->name = "mt7621";
+	} else {
+		swdev->alias = "mt7620";
+		swdev->name = "mt7620";
+	}
+	swdev->cpu_port = MT7530_CPU_PORT;
+	swdev->ports = MT7530_NUM_PORTS;
+	swdev->vlans = MT7530_NUM_VLANS;
+	if (IS_ENABLED(CONFIG_SOC_MT7621))
+		swdev->ops = &mt7621_ops;
+	else
+		swdev->ops = &mt7530_ops;
+
+	ret = register_switch(swdev, NULL);
+	if (ret) {
+		dev_err(dev, "failed to register mt7530\n");
+		return ret;
+	}
+
+
+	map = mt7530_find_mapping(dev->of_node);
+	if (map)
+		mt7530_apply_mapping(mt7530, map);
+	mt7530_apply_config(swdev);
+
+	/* magic vodoo */
+	if (!IS_ENABLED(CONFIG_SOC_MT7621) && bus && mt7530_r32(mt7530, REG_HWTRAP) !=  0x1117edf) {
+		dev_info(dev, "fixing up MHWTRAP register - bootloader probably played with it\n");
+		mt7530_w32(mt7530, REG_HWTRAP, 0x1117edf);
+	}
+	dev_info(dev, "loaded %s driver\n", swdev->name);
+
+	return 0;
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.h
new file mode 100644
index 0000000000..cf725c2f2b
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.h
@@ -0,0 +1,186 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2016 Vitaly Chekryzhev <13hakta@gmail.com>
+ */
+
+#ifndef _MT7530_H__
+#define _MT7530_H__
+
+#define MT7620_MIB_COUNTER_BASE_PORT	0x4000
+#define MT7620_MIB_COUNTER_PORT_OFFSET	0x100
+#define MT7620_MIB_COUNTER_BASE	0x1010
+
+/* PPE Accounting Group #0 Byte Counter */
+#define MT7620_MIB_STATS_PPE_AC_BCNT0	0x000
+
+/* PPE Accounting Group #0 Packet Counter */
+#define MT7620_MIB_STATS_PPE_AC_PCNT0	0x004
+
+/* PPE Accounting Group #63 Byte Counter */
+#define MT7620_MIB_STATS_PPE_AC_BCNT63	0x1F8
+
+/* PPE Accounting Group #63 Packet Counter */
+#define MT7620_MIB_STATS_PPE_AC_PCNT63	0x1FC
+
+/* PPE Meter Group #0 */
+#define MT7620_MIB_STATS_PPE_MTR_CNT0	0x200
+
+/* PPE Meter Group #63 */
+#define MT7620_MIB_STATS_PPE_MTR_CNT63	0x2FC
+
+/* Transmit good byte count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_TX_GBCNT	0x300
+
+/* Transmit good packet count for CPU GDM (exclude flow control frames) */
+#define MT7620_MIB_STATS_GDM1_TX_GPCNT	0x304
+
+/* Transmit abort count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_TX_SKIPCNT	0x308
+
+/* Transmit collision count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_TX_COLCNT	0x30C
+
+/* Received good byte count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_GBCNT1	0x320
+
+/* Received good packet count for CPU GDM (exclude flow control frame) */
+#define MT7620_MIB_STATS_GDM1_RX_GPCNT1	0x324
+
+/* Received overflow error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_OERCNT	0x328
+
+/* Received FCS error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_FERCNT	0x32C
+
+/* Received too short error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_SERCNT	0x330
+
+/* Received too long error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_LERCNT	0x334
+
+/* Received IP/TCP/UDP checksum error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_CERCNT	0x338
+
+/* Received flow control pkt count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_FCCNT	0x33C
+
+/* Transmit good byte count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_TX_GBCNT	0x340
+
+/* Transmit good packet count for PPE GDM (exclude flow control frames) */
+#define MT7620_MIB_STATS_GDM2_TX_GPCNT	0x344
+
+/* Transmit abort count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_TX_SKIPCNT	0x348
+
+/* Transmit collision count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_TX_COLCNT	0x34C
+
+/* Received good byte count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_GBCNT	0x360
+
+/* Received good packet count for PPE GDM (exclude flow control frame) */
+#define MT7620_MIB_STATS_GDM2_RX_GPCNT	0x364
+
+/* Received overflow error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_OERCNT	0x368
+
+/* Received FCS error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_FERCNT	0x36C
+
+/* Received too short error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_SERCNT	0x370
+
+/* Received too long error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_LERCNT	0x374
+
+/* Received IP/TCP/UDP checksum error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_CERCNT	0x378
+
+/* Received flow control pkt count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_FCCNT	0x37C
+
+/* Tx Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TGPCN	0x10
+
+/* Tx Bad Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TBOCN	0x14
+
+/* Tx Good Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TGOCN	0x18
+
+/* Tx Event Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TEPCN	0x1C
+
+/* Rx Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_RGPCN	0x20
+
+/* Rx Bad Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_RBOCN	0x24
+
+/* Rx Good Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_RGOCN	0x28
+
+/* Rx Event Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_REPC1N	0x2C
+
+/* Rx Event Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_REPC2N	0x30
+
+#define MT7621_MIB_COUNTER_BASE	0x4000
+#define MT7621_MIB_COUNTER_PORT_OFFSET	0x100
+#define MT7621_STATS_TDPC	0x00
+#define MT7621_STATS_TCRC	0x04
+#define MT7621_STATS_TUPC	0x08
+#define MT7621_STATS_TMPC	0x0C
+#define MT7621_STATS_TBPC	0x10
+#define MT7621_STATS_TCEC	0x14
+#define MT7621_STATS_TSCEC	0x18
+#define MT7621_STATS_TMCEC	0x1C
+#define MT7621_STATS_TDEC	0x20
+#define MT7621_STATS_TLCEC	0x24
+#define MT7621_STATS_TXCEC	0x28
+#define MT7621_STATS_TPPC	0x2C
+#define MT7621_STATS_TL64PC	0x30
+#define MT7621_STATS_TL65PC	0x34
+#define MT7621_STATS_TL128PC	0x38
+#define MT7621_STATS_TL256PC	0x3C
+#define MT7621_STATS_TL512PC	0x40
+#define MT7621_STATS_TL1024PC	0x44
+#define MT7621_STATS_TOC	0x48
+#define MT7621_STATS_RDPC	0x60
+#define MT7621_STATS_RFPC	0x64
+#define MT7621_STATS_RUPC	0x68
+#define MT7621_STATS_RMPC	0x6C
+#define MT7621_STATS_RBPC	0x70
+#define MT7621_STATS_RAEPC	0x74
+#define MT7621_STATS_RCEPC	0x78
+#define MT7621_STATS_RUSPC	0x7C
+#define MT7621_STATS_RFEPC	0x80
+#define MT7621_STATS_ROSPC	0x84
+#define MT7621_STATS_RJEPC	0x88
+#define MT7621_STATS_RPPC	0x8C
+#define MT7621_STATS_RL64PC	0x90
+#define MT7621_STATS_RL65PC	0x94
+#define MT7621_STATS_RL128PC	0x98
+#define MT7621_STATS_RL256PC	0x9C
+#define MT7621_STATS_RL512PC	0xA0
+#define MT7621_STATS_RL1024PC	0xA4
+#define MT7621_STATS_ROC	0xA8
+#define MT7621_STATS_RDPC_CTRL	0xB0
+#define MT7621_STATS_RDPC_ING	0xB4
+#define MT7621_STATS_RDPC_ARL	0xB8
+
+int mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan);
+
+#endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_debugfs.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_debugfs.c
new file mode 100644
index 0000000000..2938119e89
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_debugfs.c
@@ -0,0 +1,115 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2014-2016 Sean Wang <sean.wang@mediatek.com>
+ *   Copyright (C) 2016-2017 John Crispin <blogic@openwrt.org>
+ */
+
+#include "mtk_offload.h"
+
+static const char *mtk_foe_entry_state_str[] = {
+	"INVALID",
+	"UNBIND",
+	"BIND",
+	"FIN"
+};
+
+static const char *mtk_foe_packet_type_str[] = {
+	"IPV4_HNAPT",
+	"IPV4_HNAT",
+	"IPV6_1T_ROUTE",
+	"IPV4_DSLITE",
+	"IPV6_3T_ROUTE",
+	"IPV6_5T_ROUTE",
+	"IPV6_6RD",
+};
+
+#define IPV4_HNAPT                      0
+#define IPV4_HNAT                       1
+#define IS_IPV4_HNAPT(x)	(((x)->bfib1.pkt_type == IPV4_HNAPT) ? 1: 0)
+struct mtk_eth *_eth;
+#define es(entry)		(mtk_foe_entry_state_str[entry->bfib1.state])
+//#define ei(entry, end)		(MTK_PPE_TBL_SZ - (int)(end - entry))
+#define ei(entry, end)		(MTK_PPE_ENTRY_CNT - (int)(end - entry))
+#define pt(entry)		(mtk_foe_packet_type_str[entry->ipv4_hnapt.bfib1.pkt_type])
+
+static int mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private)
+{
+	struct mtk_eth *eth = _eth;
+	struct mtk_foe_entry *entry, *end;
+	int i = 0;
+
+	entry = eth->foe_table;
+	end = eth->foe_table + MTK_PPE_ENTRY_CNT;
+
+	while (entry < end) {
+		if (IS_IPV4_HNAPT(entry)) {
+			__be32 saddr = htonl(entry->ipv4_hnapt.sip);
+			__be32 daddr = htonl(entry->ipv4_hnapt.dip);
+			__be32 nsaddr = htonl(entry->ipv4_hnapt.new_sip);
+			__be32 ndaddr = htonl(entry->ipv4_hnapt.new_dip);
+			unsigned char h_dest[ETH_ALEN];
+			unsigned char h_source[ETH_ALEN];
+
+			*((u32*) h_source) = swab32(entry->ipv4_hnapt.smac_hi);
+			*((u16*) &h_source[4]) = swab16(entry->ipv4_hnapt.smac_lo);
+			*((u32*) h_dest) = swab32(entry->ipv4_hnapt.dmac_hi);
+			*((u16*) &h_dest[4]) = swab16(entry->ipv4_hnapt.dmac_lo);
+			seq_printf(m,
+				   "(%x)0x%05x|state=%s|type=%s|"
+				   "%pI4:%d->%pI4:%d=>%pI4:%d->%pI4:%d|%pM=>%pM|"
+				   "etype=0x%04x|info1=0x%x|info2=0x%x|"
+				   "vlan1=%d|vlan2=%d\n",
+				   i,
+				   ei(entry, end), es(entry), pt(entry),
+				   &saddr, entry->ipv4_hnapt.sport,
+				   &daddr, entry->ipv4_hnapt.dport,
+				   &nsaddr, entry->ipv4_hnapt.new_sport,
+				   &ndaddr, entry->ipv4_hnapt.new_dport, h_source,
+				   h_dest, ntohs(entry->ipv4_hnapt.etype),
+				   entry->ipv4_hnapt.info_blk1,
+				   entry->ipv4_hnapt.info_blk2,
+				   entry->ipv4_hnapt.vlan1,
+				   entry->ipv4_hnapt.vlan2);
+		} else
+			seq_printf(m, "0x%05x state=%s\n",
+				   ei(entry, end), es(entry));
+		entry++;
+		i++;
+	}
+
+	return 0;
+}
+
+static int mtk_ppe_debugfs_foe_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, mtk_ppe_debugfs_foe_show, file->private_data);
+}
+
+static const struct file_operations mtk_ppe_debugfs_foe_fops = {
+	.open = mtk_ppe_debugfs_foe_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+int mtk_ppe_debugfs_init(struct mtk_eth *eth)
+{
+	struct dentry *root;
+
+	_eth = eth;
+
+	root = debugfs_create_dir("mtk_ppe", NULL);
+	if (!root)
+		return -ENOMEM;
+
+	debugfs_create_file("all_entry", S_IRUGO, root, eth, &mtk_ppe_debugfs_foe_fops);
+
+	return 0;
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c
new file mode 100644
index 0000000000..e3a35c7c22
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c
@@ -0,0 +1,1728 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/skbuff.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <linux/clk.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+#include <linux/if_vlan.h>
+#include <linux/reset.h>
+#include <linux/tcp.h>
+#include <linux/io.h>
+#include <linux/bug.h>
+#include <linux/netfilter.h>
+#include <net/netfilter/nf_flow_table.h>
+#include <linux/of_gpio.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio.h"
+#include "ethtool.h"
+
+#define	MAX_RX_LENGTH		1536
+#define FE_RX_ETH_HLEN		(VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
+#define FE_RX_HLEN		(NET_SKB_PAD + FE_RX_ETH_HLEN + NET_IP_ALIGN)
+#define DMA_DUMMY_DESC		0xffffffff
+#define FE_DEFAULT_MSG_ENABLE \
+		(NETIF_MSG_DRV | \
+		NETIF_MSG_PROBE | \
+		NETIF_MSG_LINK | \
+		NETIF_MSG_TIMER | \
+		NETIF_MSG_IFDOWN | \
+		NETIF_MSG_IFUP | \
+		NETIF_MSG_RX_ERR | \
+		NETIF_MSG_TX_ERR)
+
+#define TX_DMA_DESP2_DEF	(TX_DMA_LS0 | TX_DMA_DONE)
+#define TX_DMA_DESP4_DEF	(TX_DMA_QN(3) | TX_DMA_PN(1))
+#define NEXT_TX_DESP_IDX(X)	(((X) + 1) & (ring->tx_ring_size - 1))
+#define NEXT_RX_DESP_IDX(X)	(((X) + 1) & (ring->rx_ring_size - 1))
+
+#define SYSC_REG_RSTCTRL	0x34
+
+static int fe_msg_level = -1;
+module_param_named(msg_level, fe_msg_level, int, 0);
+MODULE_PARM_DESC(msg_level, "Message level (-1=defaults,0=none,...,16=all)");
+
+static const u16 fe_reg_table_default[FE_REG_COUNT] = {
+	[FE_REG_PDMA_GLO_CFG] = FE_PDMA_GLO_CFG,
+	[FE_REG_PDMA_RST_CFG] = FE_PDMA_RST_CFG,
+	[FE_REG_DLY_INT_CFG] = FE_DLY_INT_CFG,
+	[FE_REG_TX_BASE_PTR0] = FE_TX_BASE_PTR0,
+	[FE_REG_TX_MAX_CNT0] = FE_TX_MAX_CNT0,
+	[FE_REG_TX_CTX_IDX0] = FE_TX_CTX_IDX0,
+	[FE_REG_TX_DTX_IDX0] = FE_TX_DTX_IDX0,
+	[FE_REG_RX_BASE_PTR0] = FE_RX_BASE_PTR0,
+	[FE_REG_RX_MAX_CNT0] = FE_RX_MAX_CNT0,
+	[FE_REG_RX_CALC_IDX0] = FE_RX_CALC_IDX0,
+	[FE_REG_RX_DRX_IDX0] = FE_RX_DRX_IDX0,
+	[FE_REG_FE_INT_ENABLE] = FE_FE_INT_ENABLE,
+	[FE_REG_FE_INT_STATUS] = FE_FE_INT_STATUS,
+	[FE_REG_FE_DMA_VID_BASE] = FE_DMA_VID0,
+	[FE_REG_FE_COUNTER_BASE] = FE_GDMA1_TX_GBCNT,
+	[FE_REG_FE_RST_GL] = FE_FE_RST_GL,
+};
+
+static const u16 *fe_reg_table = fe_reg_table_default;
+
+struct fe_work_t {
+	int bitnr;
+	void (*action)(struct fe_priv *);
+};
+
+static void __iomem *fe_base;
+
+void fe_w32(u32 val, unsigned reg)
+{
+	__raw_writel(val, fe_base + reg);
+}
+
+u32 fe_r32(unsigned reg)
+{
+	return __raw_readl(fe_base + reg);
+}
+
+void fe_reg_w32(u32 val, enum fe_reg reg)
+{
+	fe_w32(val, fe_reg_table[reg]);
+}
+
+u32 fe_reg_r32(enum fe_reg reg)
+{
+	return fe_r32(fe_reg_table[reg]);
+}
+
+void fe_m32(struct fe_priv *eth, u32 clear, u32 set, unsigned reg)
+{
+	u32 val;
+
+	spin_lock(&eth->page_lock);
+	val = __raw_readl(fe_base + reg);
+	val &= ~clear;
+	val |= set;
+	__raw_writel(val, fe_base + reg);
+	spin_unlock(&eth->page_lock);
+}
+
+void fe_reset(u32 reset_bits)
+{
+	u32 t;
+
+	t = rt_sysc_r32(SYSC_REG_RSTCTRL);
+	t |= reset_bits;
+	rt_sysc_w32(t, SYSC_REG_RSTCTRL);
+	usleep_range(10, 20);
+
+	t &= ~reset_bits;
+	rt_sysc_w32(t, SYSC_REG_RSTCTRL);
+	usleep_range(10, 20);
+}
+
+static inline void fe_int_disable(u32 mask)
+{
+	fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) & ~mask,
+		   FE_REG_FE_INT_ENABLE);
+	/* flush write */
+	fe_reg_r32(FE_REG_FE_INT_ENABLE);
+}
+
+static inline void fe_int_enable(u32 mask)
+{
+	fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) | mask,
+		   FE_REG_FE_INT_ENABLE);
+	/* flush write */
+	fe_reg_r32(FE_REG_FE_INT_ENABLE);
+}
+
+static inline void fe_hw_set_macaddr(struct fe_priv *priv, unsigned char *mac)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->page_lock, flags);
+	fe_w32((mac[0] << 8) | mac[1], FE_GDMA1_MAC_ADRH);
+	fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+	       FE_GDMA1_MAC_ADRL);
+	spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static int fe_set_mac_address(struct net_device *dev, void *p)
+{
+	int ret = eth_mac_addr(dev, p);
+
+	if (!ret) {
+		struct fe_priv *priv = netdev_priv(dev);
+
+		if (priv->soc->set_mac)
+			priv->soc->set_mac(priv, dev->dev_addr);
+		else
+			fe_hw_set_macaddr(priv, p);
+	}
+
+	return ret;
+}
+
+static inline int fe_max_frag_size(int mtu)
+{
+	/* make sure buf_size will be at least MAX_RX_LENGTH */
+	if (mtu + FE_RX_ETH_HLEN < MAX_RX_LENGTH)
+		mtu = MAX_RX_LENGTH - FE_RX_ETH_HLEN;
+
+	return SKB_DATA_ALIGN(FE_RX_HLEN + mtu) +
+		SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+}
+
+static inline int fe_max_buf_size(int frag_size)
+{
+	int buf_size = frag_size - NET_SKB_PAD - NET_IP_ALIGN -
+		       SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+
+	BUG_ON(buf_size < MAX_RX_LENGTH);
+	return buf_size;
+}
+
+static inline void fe_get_rxd(struct fe_rx_dma *rxd, struct fe_rx_dma *dma_rxd)
+{
+	rxd->rxd1 = dma_rxd->rxd1;
+	rxd->rxd2 = dma_rxd->rxd2;
+	rxd->rxd3 = dma_rxd->rxd3;
+	rxd->rxd4 = dma_rxd->rxd4;
+}
+
+static inline void fe_set_txd(struct fe_tx_dma *txd, struct fe_tx_dma *dma_txd)
+{
+	dma_txd->txd1 = txd->txd1;
+	dma_txd->txd3 = txd->txd3;
+	dma_txd->txd4 = txd->txd4;
+	/* clean dma done flag last */
+	dma_txd->txd2 = txd->txd2;
+}
+
+static void fe_clean_rx(struct fe_priv *priv)
+{
+	struct fe_rx_ring *ring = &priv->rx_ring;
+	struct page *page;
+	int i;
+
+	if (ring->rx_data) {
+		for (i = 0; i < ring->rx_ring_size; i++)
+			if (ring->rx_data[i]) {
+				if (ring->rx_dma && ring->rx_dma[i].rxd1)
+					dma_unmap_single(&priv->netdev->dev,
+							 ring->rx_dma[i].rxd1,
+							 ring->rx_buf_size,
+							 DMA_FROM_DEVICE);
+				skb_free_frag(ring->rx_data[i]);
+			}
+
+		kfree(ring->rx_data);
+		ring->rx_data = NULL;
+	}
+
+	if (ring->rx_dma) {
+		dma_free_coherent(&priv->netdev->dev,
+				  ring->rx_ring_size * sizeof(*ring->rx_dma),
+				  ring->rx_dma,
+				  ring->rx_phys);
+		ring->rx_dma = NULL;
+	}
+
+	if (!ring->frag_cache.va)
+	    return;
+
+	page = virt_to_page(ring->frag_cache.va);
+	__page_frag_cache_drain(page, ring->frag_cache.pagecnt_bias);
+	memset(&ring->frag_cache, 0, sizeof(ring->frag_cache));
+}
+
+static int fe_alloc_rx(struct fe_priv *priv)
+{
+	struct net_device *netdev = priv->netdev;
+	struct fe_rx_ring *ring = &priv->rx_ring;
+	int i, pad;
+
+	ring->rx_data = kcalloc(ring->rx_ring_size, sizeof(*ring->rx_data),
+			GFP_KERNEL);
+	if (!ring->rx_data)
+		goto no_rx_mem;
+
+	for (i = 0; i < ring->rx_ring_size; i++) {
+		ring->rx_data[i] = page_frag_alloc(&ring->frag_cache,
+						   ring->frag_size,
+						   GFP_KERNEL);
+		if (!ring->rx_data[i])
+			goto no_rx_mem;
+	}
+
+	ring->rx_dma = dma_alloc_coherent(&netdev->dev,
+			ring->rx_ring_size * sizeof(*ring->rx_dma),
+			&ring->rx_phys,
+			GFP_ATOMIC | __GFP_ZERO);
+	if (!ring->rx_dma)
+		goto no_rx_mem;
+
+	if (priv->flags & FE_FLAG_RX_2B_OFFSET)
+		pad = 0;
+	else
+		pad = NET_IP_ALIGN;
+	for (i = 0; i < ring->rx_ring_size; i++) {
+		dma_addr_t dma_addr = dma_map_single(&netdev->dev,
+				ring->rx_data[i] + NET_SKB_PAD + pad,
+				ring->rx_buf_size,
+				DMA_FROM_DEVICE);
+		if (unlikely(dma_mapping_error(&netdev->dev, dma_addr)))
+			goto no_rx_mem;
+		ring->rx_dma[i].rxd1 = (unsigned int)dma_addr;
+
+		if (priv->flags & FE_FLAG_RX_SG_DMA)
+			ring->rx_dma[i].rxd2 = RX_DMA_PLEN0(ring->rx_buf_size);
+		else
+			ring->rx_dma[i].rxd2 = RX_DMA_LSO;
+	}
+	ring->rx_calc_idx = ring->rx_ring_size - 1;
+	/* make sure that all changes to the dma ring are flushed before we
+	 * continue
+	 */
+	wmb();
+
+	fe_reg_w32(ring->rx_phys, FE_REG_RX_BASE_PTR0);
+	fe_reg_w32(ring->rx_ring_size, FE_REG_RX_MAX_CNT0);
+	fe_reg_w32(ring->rx_calc_idx, FE_REG_RX_CALC_IDX0);
+	fe_reg_w32(FE_PST_DRX_IDX0, FE_REG_PDMA_RST_CFG);
+
+	return 0;
+
+no_rx_mem:
+	return -ENOMEM;
+}
+
+static void fe_txd_unmap(struct device *dev, struct fe_tx_buf *tx_buf)
+{
+	if (dma_unmap_len(tx_buf, dma_len0))
+		dma_unmap_page(dev,
+			       dma_unmap_addr(tx_buf, dma_addr0),
+			       dma_unmap_len(tx_buf, dma_len0),
+			       DMA_TO_DEVICE);
+
+	if (dma_unmap_len(tx_buf, dma_len1))
+		dma_unmap_page(dev,
+			       dma_unmap_addr(tx_buf, dma_addr1),
+			       dma_unmap_len(tx_buf, dma_len1),
+			       DMA_TO_DEVICE);
+
+	dma_unmap_len_set(tx_buf, dma_addr0, 0);
+	dma_unmap_len_set(tx_buf, dma_addr1, 0);
+	if (tx_buf->skb && (tx_buf->skb != (struct sk_buff *)DMA_DUMMY_DESC))
+		dev_kfree_skb_any(tx_buf->skb);
+	tx_buf->skb = NULL;
+}
+
+static void fe_clean_tx(struct fe_priv *priv)
+{
+	int i;
+	struct device *dev = &priv->netdev->dev;
+	struct fe_tx_ring *ring = &priv->tx_ring;
+
+	if (ring->tx_buf) {
+		for (i = 0; i < ring->tx_ring_size; i++)
+			fe_txd_unmap(dev, &ring->tx_buf[i]);
+		kfree(ring->tx_buf);
+		ring->tx_buf = NULL;
+	}
+
+	if (ring->tx_dma) {
+		dma_free_coherent(dev,
+				  ring->tx_ring_size * sizeof(*ring->tx_dma),
+				  ring->tx_dma,
+				  ring->tx_phys);
+		ring->tx_dma = NULL;
+	}
+
+	netdev_reset_queue(priv->netdev);
+}
+
+static int fe_alloc_tx(struct fe_priv *priv)
+{
+	int i;
+	struct fe_tx_ring *ring = &priv->tx_ring;
+
+	ring->tx_free_idx = 0;
+	ring->tx_next_idx = 0;
+	ring->tx_thresh = max((unsigned long)ring->tx_ring_size >> 2,
+			      MAX_SKB_FRAGS);
+
+	ring->tx_buf = kcalloc(ring->tx_ring_size, sizeof(*ring->tx_buf),
+			GFP_KERNEL);
+	if (!ring->tx_buf)
+		goto no_tx_mem;
+
+	ring->tx_dma = dma_alloc_coherent(&priv->netdev->dev,
+			ring->tx_ring_size * sizeof(*ring->tx_dma),
+			&ring->tx_phys,
+			GFP_ATOMIC | __GFP_ZERO);
+	if (!ring->tx_dma)
+		goto no_tx_mem;
+
+	for (i = 0; i < ring->tx_ring_size; i++) {
+		if (priv->soc->tx_dma)
+			priv->soc->tx_dma(&ring->tx_dma[i]);
+		ring->tx_dma[i].txd2 = TX_DMA_DESP2_DEF;
+	}
+	/* make sure that all changes to the dma ring are flushed before we
+	 * continue
+	 */
+	wmb();
+
+	fe_reg_w32(ring->tx_phys, FE_REG_TX_BASE_PTR0);
+	fe_reg_w32(ring->tx_ring_size, FE_REG_TX_MAX_CNT0);
+	fe_reg_w32(0, FE_REG_TX_CTX_IDX0);
+	fe_reg_w32(FE_PST_DTX_IDX0, FE_REG_PDMA_RST_CFG);
+
+	return 0;
+
+no_tx_mem:
+	return -ENOMEM;
+}
+
+static int fe_init_dma(struct fe_priv *priv)
+{
+	int err;
+
+	err = fe_alloc_tx(priv);
+	if (err)
+		return err;
+
+	err = fe_alloc_rx(priv);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+static void fe_free_dma(struct fe_priv *priv)
+{
+	fe_clean_tx(priv);
+	fe_clean_rx(priv);
+}
+
+void fe_stats_update(struct fe_priv *priv)
+{
+	struct fe_hw_stats *hwstats = priv->hw_stats;
+	unsigned int base = fe_reg_table[FE_REG_FE_COUNTER_BASE];
+	u64 stats;
+
+	u64_stats_update_begin(&hwstats->syncp);
+
+	if (IS_ENABLED(CONFIG_SOC_MT7621)) {
+		hwstats->rx_bytes			+= fe_r32(base);
+		stats					=  fe_r32(base + 0x04);
+		if (stats)
+			hwstats->rx_bytes		+= (stats << 32);
+		hwstats->rx_packets			+= fe_r32(base + 0x08);
+		hwstats->rx_overflow			+= fe_r32(base + 0x10);
+		hwstats->rx_fcs_errors			+= fe_r32(base + 0x14);
+		hwstats->rx_short_errors		+= fe_r32(base + 0x18);
+		hwstats->rx_long_errors			+= fe_r32(base + 0x1c);
+		hwstats->rx_checksum_errors		+= fe_r32(base + 0x20);
+		hwstats->rx_flow_control_packets	+= fe_r32(base + 0x24);
+		hwstats->tx_skip			+= fe_r32(base + 0x28);
+		hwstats->tx_collisions			+= fe_r32(base + 0x2c);
+		hwstats->tx_bytes			+= fe_r32(base + 0x30);
+		stats					=  fe_r32(base + 0x34);
+		if (stats)
+			hwstats->tx_bytes		+= (stats << 32);
+		hwstats->tx_packets			+= fe_r32(base + 0x38);
+	} else {
+		hwstats->tx_bytes			+= fe_r32(base);
+		hwstats->tx_packets			+= fe_r32(base + 0x04);
+		hwstats->tx_skip			+= fe_r32(base + 0x08);
+		hwstats->tx_collisions			+= fe_r32(base + 0x0c);
+		hwstats->rx_bytes			+= fe_r32(base + 0x20);
+		hwstats->rx_packets			+= fe_r32(base + 0x24);
+		hwstats->rx_overflow			+= fe_r32(base + 0x28);
+		hwstats->rx_fcs_errors			+= fe_r32(base + 0x2c);
+		hwstats->rx_short_errors		+= fe_r32(base + 0x30);
+		hwstats->rx_long_errors			+= fe_r32(base + 0x34);
+		hwstats->rx_checksum_errors		+= fe_r32(base + 0x38);
+		hwstats->rx_flow_control_packets	+= fe_r32(base + 0x3c);
+	}
+
+	u64_stats_update_end(&hwstats->syncp);
+}
+
+static void fe_get_stats64(struct net_device *dev,
+				struct rtnl_link_stats64 *storage)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	struct fe_hw_stats *hwstats = priv->hw_stats;
+	unsigned int base = fe_reg_table[FE_REG_FE_COUNTER_BASE];
+	unsigned int start;
+
+	if (!base) {
+		netdev_stats_to_stats64(storage, &dev->stats);
+		return;
+	}
+
+	if (netif_running(dev) && netif_device_present(dev)) {
+		if (spin_trylock_bh(&hwstats->stats_lock)) {
+			fe_stats_update(priv);
+			spin_unlock_bh(&hwstats->stats_lock);
+		}
+	}
+
+	do {
+		start = u64_stats_fetch_begin_irq(&hwstats->syncp);
+		storage->rx_packets = hwstats->rx_packets;
+		storage->tx_packets = hwstats->tx_packets;
+		storage->rx_bytes = hwstats->rx_bytes;
+		storage->tx_bytes = hwstats->tx_bytes;
+		storage->collisions = hwstats->tx_collisions;
+		storage->rx_length_errors = hwstats->rx_short_errors +
+			hwstats->rx_long_errors;
+		storage->rx_over_errors = hwstats->rx_overflow;
+		storage->rx_crc_errors = hwstats->rx_fcs_errors;
+		storage->rx_errors = hwstats->rx_checksum_errors;
+		storage->tx_aborted_errors = hwstats->tx_skip;
+	} while (u64_stats_fetch_retry_irq(&hwstats->syncp, start));
+
+	storage->tx_errors = priv->netdev->stats.tx_errors;
+	storage->rx_dropped = priv->netdev->stats.rx_dropped;
+	storage->tx_dropped = priv->netdev->stats.tx_dropped;
+}
+
+static int fe_vlan_rx_add_vid(struct net_device *dev,
+			      __be16 proto, u16 vid)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	u32 idx = (vid & 0xf);
+	u32 vlan_cfg;
+
+	if (!((fe_reg_table[FE_REG_FE_DMA_VID_BASE]) &&
+	      (dev->features & NETIF_F_HW_VLAN_CTAG_TX)))
+		return 0;
+
+	if (test_bit(idx, &priv->vlan_map)) {
+		netdev_warn(dev, "disable tx vlan offload\n");
+		dev->wanted_features &= ~NETIF_F_HW_VLAN_CTAG_TX;
+		netdev_update_features(dev);
+	} else {
+		vlan_cfg = fe_r32(fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
+				((idx >> 1) << 2));
+		if (idx & 0x1) {
+			vlan_cfg &= 0xffff;
+			vlan_cfg |= (vid << 16);
+		} else {
+			vlan_cfg &= 0xffff0000;
+			vlan_cfg |= vid;
+		}
+		fe_w32(vlan_cfg, fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
+				((idx >> 1) << 2));
+		set_bit(idx, &priv->vlan_map);
+	}
+
+	return 0;
+}
+
+static int fe_vlan_rx_kill_vid(struct net_device *dev,
+			       __be16 proto, u16 vid)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	u32 idx = (vid & 0xf);
+
+	if (!((fe_reg_table[FE_REG_FE_DMA_VID_BASE]) &&
+	      (dev->features & NETIF_F_HW_VLAN_CTAG_TX)))
+		return 0;
+
+	clear_bit(idx, &priv->vlan_map);
+
+	return 0;
+}
+
+static inline u32 fe_empty_txd(struct fe_tx_ring *ring)
+{
+	barrier();
+	return (u32)(ring->tx_ring_size -
+			((ring->tx_next_idx - ring->tx_free_idx) &
+			 (ring->tx_ring_size - 1)));
+}
+
+struct fe_map_state {
+	struct device *dev;
+	struct fe_tx_dma txd;
+	u32 def_txd4;
+	int ring_idx;
+	int i;
+};
+
+static void fe_tx_dma_write_desc(struct fe_tx_ring *ring, struct fe_map_state *st)
+{
+	fe_set_txd(&st->txd, &ring->tx_dma[st->ring_idx]);
+	memset(&st->txd, 0, sizeof(st->txd));
+	st->txd.txd4 = st->def_txd4;
+	st->ring_idx = NEXT_TX_DESP_IDX(st->ring_idx);
+}
+
+static int __fe_tx_dma_map_page(struct fe_tx_ring *ring, struct fe_map_state *st,
+				struct page *page, size_t offset, size_t size)
+{
+	struct device *dev = st->dev;
+	struct fe_tx_buf *tx_buf;
+	dma_addr_t mapped_addr;
+
+	mapped_addr = dma_map_page(dev, page, offset, size, DMA_TO_DEVICE);
+	if (unlikely(dma_mapping_error(dev, mapped_addr)))
+		return -EIO;
+
+	if (st->i && !(st->i & 1))
+	    fe_tx_dma_write_desc(ring, st);
+
+	tx_buf = &ring->tx_buf[st->ring_idx];
+	if (st->i & 1) {
+		st->txd.txd3 = mapped_addr;
+		st->txd.txd2 |= TX_DMA_PLEN1(size);
+		dma_unmap_addr_set(tx_buf, dma_addr1, mapped_addr);
+		dma_unmap_len_set(tx_buf, dma_len1, size);
+	} else {
+		tx_buf->skb = (struct sk_buff *)DMA_DUMMY_DESC;
+		st->txd.txd1 = mapped_addr;
+		st->txd.txd2 = TX_DMA_PLEN0(size);
+		dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr);
+		dma_unmap_len_set(tx_buf, dma_len0, size);
+	}
+	st->i++;
+
+	return 0;
+}
+
+static int fe_tx_dma_map_page(struct fe_tx_ring *ring, struct fe_map_state *st,
+			      struct page *page, size_t offset, size_t size)
+{
+	int cur_size;
+	int ret;
+
+	while (size > 0) {
+		cur_size = min_t(size_t, size, TX_DMA_BUF_LEN);
+
+		ret = __fe_tx_dma_map_page(ring, st, page, offset, cur_size);
+		if (ret)
+			return ret;
+
+		size -= cur_size;
+		offset += cur_size;
+	}
+
+	return 0;
+}
+
+static int fe_tx_dma_map_skb(struct fe_tx_ring *ring, struct fe_map_state *st,
+			     struct sk_buff *skb)
+{
+	struct page *page = virt_to_page(skb->data);
+	size_t offset = offset_in_page(skb->data);
+	size_t size = skb_headlen(skb);
+
+	return fe_tx_dma_map_page(ring, st, page, offset, size);
+}
+
+static inline struct sk_buff *
+fe_next_frag(struct sk_buff *head, struct sk_buff *skb)
+{
+	if (skb != head)
+		return skb->next;
+
+	if (skb_has_frag_list(skb))
+		return skb_shinfo(skb)->frag_list;
+
+	return NULL;
+}
+
+
+static int fe_tx_map_dma(struct sk_buff *skb, struct net_device *dev,
+			 int tx_num, struct fe_tx_ring *ring)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	struct fe_map_state st = {
+		.dev = &dev->dev,
+		.ring_idx = ring->tx_next_idx,
+	};
+	struct sk_buff *head = skb;
+	struct fe_tx_buf *tx_buf;
+	unsigned int nr_frags;
+	int i, j;
+
+	/* init tx descriptor */
+	if (priv->soc->tx_dma)
+		priv->soc->tx_dma(&st.txd);
+	else
+		st.txd.txd4 = TX_DMA_DESP4_DEF;
+	st.def_txd4 = st.txd.txd4;
+
+	/* TX Checksum offload */
+	if (skb->ip_summed == CHECKSUM_PARTIAL)
+		st.txd.txd4 |= TX_DMA_CHKSUM;
+
+	/* VLAN header offload */
+	if (skb_vlan_tag_present(skb)) {
+		u16 tag = skb_vlan_tag_get(skb);
+
+		if (IS_ENABLED(CONFIG_SOC_MT7621))
+			st.txd.txd4 |= TX_DMA_INS_VLAN_MT7621 | tag;
+		else
+			st.txd.txd4 |= TX_DMA_INS_VLAN |
+				((tag >> VLAN_PRIO_SHIFT) << 4) |
+				(tag & 0xF);
+	}
+
+	/* TSO: fill MSS info in tcp checksum field */
+	if (skb_is_gso(skb)) {
+		if (skb_cow_head(skb, 0)) {
+			netif_warn(priv, tx_err, dev,
+				   "GSO expand head fail.\n");
+			goto err_out;
+		}
+		if (skb_shinfo(skb)->gso_type &
+				(SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
+			st.txd.txd4 |= TX_DMA_TSO;
+			tcp_hdr(skb)->check = htons(skb_shinfo(skb)->gso_size);
+		}
+	}
+
+next_frag:
+	if (skb_headlen(skb) && fe_tx_dma_map_skb(ring, &st, skb))
+		goto err_dma;
+
+	/* TX SG offload */
+	nr_frags = skb_shinfo(skb)->nr_frags;
+	for (i = 0; i < nr_frags; i++) {
+		struct skb_frag_struct *frag;
+
+		frag = &skb_shinfo(skb)->frags[i];
+		if (fe_tx_dma_map_page(ring, &st, skb_frag_page(frag),
+				       frag->page_offset, skb_frag_size(frag)))
+			goto err_dma;
+	}
+
+	skb = fe_next_frag(head, skb);
+	if (skb)
+		goto next_frag;
+
+	/* set last segment */
+	if (st.i & 0x1)
+		st.txd.txd2 |= TX_DMA_LS0;
+	else
+		st.txd.txd2 |= TX_DMA_LS1;
+
+	/* store skb to cleanup */
+	tx_buf = &ring->tx_buf[st.ring_idx];
+	tx_buf->skb = head;
+
+	netdev_sent_queue(dev, head->len);
+	skb_tx_timestamp(head);
+
+	fe_tx_dma_write_desc(ring, &st);
+	ring->tx_next_idx = st.ring_idx;
+
+	/* make sure that all changes to the dma ring are flushed before we
+	 * continue
+	 */
+	wmb();
+	if (unlikely(fe_empty_txd(ring) <= ring->tx_thresh)) {
+		netif_stop_queue(dev);
+		smp_mb();
+		if (unlikely(fe_empty_txd(ring) > ring->tx_thresh))
+			netif_wake_queue(dev);
+	}
+
+	if (netif_xmit_stopped(netdev_get_tx_queue(dev, 0)) || !head->xmit_more)
+		fe_reg_w32(ring->tx_next_idx, FE_REG_TX_CTX_IDX0);
+
+	return 0;
+
+err_dma:
+	j = ring->tx_next_idx;
+	for (i = 0; i < tx_num; i++) {
+		/* unmap dma */
+		fe_txd_unmap(&dev->dev, &ring->tx_buf[j]);
+		ring->tx_dma[j].txd2 = TX_DMA_DESP2_DEF;
+
+		j = NEXT_TX_DESP_IDX(j);
+	}
+	/* make sure that all changes to the dma ring are flushed before we
+	 * continue
+	 */
+	wmb();
+
+err_out:
+	return -1;
+}
+
+static inline int fe_skb_padto(struct sk_buff *skb, struct fe_priv *priv)
+{
+	unsigned int len;
+	int ret;
+
+	ret = 0;
+	if (unlikely(skb->len < VLAN_ETH_ZLEN)) {
+		if ((priv->flags & FE_FLAG_PADDING_64B) &&
+		    !(priv->flags & FE_FLAG_PADDING_BUG))
+			return ret;
+
+		if (skb_vlan_tag_present(skb))
+			len = ETH_ZLEN;
+		else if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
+			len = VLAN_ETH_ZLEN;
+		else if (!(priv->flags & FE_FLAG_PADDING_64B))
+			len = ETH_ZLEN;
+		else
+			return ret;
+
+		if (skb->len < len) {
+			ret = skb_pad(skb, len - skb->len);
+			if (ret < 0)
+				return ret;
+			skb->len = len;
+			skb_set_tail_pointer(skb, len);
+		}
+	}
+
+	return ret;
+}
+
+static inline int fe_cal_txd_req(struct sk_buff *skb)
+{
+	struct sk_buff *head = skb;
+	int i, nfrags = 0;
+	struct skb_frag_struct *frag;
+
+next_frag:
+	nfrags++;
+	if (skb_is_gso(skb)) {
+		for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+			frag = &skb_shinfo(skb)->frags[i];
+			nfrags += DIV_ROUND_UP(frag->size, TX_DMA_BUF_LEN);
+		}
+	} else {
+		nfrags += skb_shinfo(skb)->nr_frags;
+	}
+
+	skb = fe_next_frag(head, skb);
+	if (skb)
+		goto next_frag;
+
+	return DIV_ROUND_UP(nfrags, 2);
+}
+
+static int fe_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	struct fe_tx_ring *ring = &priv->tx_ring;
+	struct net_device_stats *stats = &dev->stats;
+	int tx_num;
+	int len = skb->len;
+
+	if (fe_skb_padto(skb, priv)) {
+		netif_warn(priv, tx_err, dev, "tx padding failed!\n");
+		return NETDEV_TX_OK;
+	}
+
+	tx_num = fe_cal_txd_req(skb);
+	if (unlikely(fe_empty_txd(ring) <= tx_num)) {
+		netif_stop_queue(dev);
+		netif_err(priv, tx_queued, dev,
+			  "Tx Ring full when queue awake!\n");
+		return NETDEV_TX_BUSY;
+	}
+
+	if (fe_tx_map_dma(skb, dev, tx_num, ring) < 0) {
+		stats->tx_dropped++;
+	} else {
+		stats->tx_packets++;
+		stats->tx_bytes += len;
+	}
+
+	return NETDEV_TX_OK;
+}
+
+static int fe_poll_rx(struct napi_struct *napi, int budget,
+		      struct fe_priv *priv, u32 rx_intr)
+{
+	struct net_device *netdev = priv->netdev;
+	struct net_device_stats *stats = &netdev->stats;
+	struct fe_soc_data *soc = priv->soc;
+	struct fe_rx_ring *ring = &priv->rx_ring;
+	int idx = ring->rx_calc_idx;
+	u32 checksum_bit;
+	struct sk_buff *skb;
+	u8 *data, *new_data;
+	struct fe_rx_dma *rxd, trxd;
+	int done = 0, pad;
+
+	if (netdev->features & NETIF_F_RXCSUM)
+		checksum_bit = soc->checksum_bit;
+	else
+		checksum_bit = 0;
+
+	if (priv->flags & FE_FLAG_RX_2B_OFFSET)
+		pad = 0;
+	else
+		pad = NET_IP_ALIGN;
+
+	while (done < budget) {
+		unsigned int pktlen;
+		dma_addr_t dma_addr;
+
+		idx = NEXT_RX_DESP_IDX(idx);
+		rxd = &ring->rx_dma[idx];
+		data = ring->rx_data[idx];
+
+		fe_get_rxd(&trxd, rxd);
+		if (!(trxd.rxd2 & RX_DMA_DONE))
+			break;
+
+		/* alloc new buffer */
+		new_data = page_frag_alloc(&ring->frag_cache, ring->frag_size,
+					   GFP_ATOMIC);
+		if (unlikely(!new_data)) {
+			stats->rx_dropped++;
+			goto release_desc;
+		}
+		dma_addr = dma_map_single(&netdev->dev,
+					  new_data + NET_SKB_PAD + pad,
+					  ring->rx_buf_size,
+					  DMA_FROM_DEVICE);
+		if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) {
+			skb_free_frag(new_data);
+			goto release_desc;
+		}
+
+		/* receive data */
+		skb = build_skb(data, ring->frag_size);
+		if (unlikely(!skb)) {
+			skb_free_frag(new_data);
+			goto release_desc;
+		}
+		skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);
+
+		dma_unmap_single(&netdev->dev, trxd.rxd1,
+				 ring->rx_buf_size, DMA_FROM_DEVICE);
+		pktlen = RX_DMA_GET_PLEN0(trxd.rxd2);
+		skb->dev = netdev;
+		skb_put(skb, pktlen);
+		if (trxd.rxd4 & checksum_bit)
+			skb->ip_summed = CHECKSUM_UNNECESSARY;
+		else
+			skb_checksum_none_assert(skb);
+		skb->protocol = eth_type_trans(skb, netdev);
+
+		if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX &&
+		    RX_DMA_VID(trxd.rxd3))
+			__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
+					       RX_DMA_VID(trxd.rxd3));
+
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+		if (mtk_offload_check_rx(priv, skb, trxd.rxd4) == 0) {
+#endif
+			stats->rx_packets++;
+			stats->rx_bytes += pktlen;
+
+			napi_gro_receive(napi, skb);
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+		} else {
+			dev_kfree_skb(skb);
+		}
+#endif
+		ring->rx_data[idx] = new_data;
+		rxd->rxd1 = (unsigned int)dma_addr;
+
+release_desc:
+		if (priv->flags & FE_FLAG_RX_SG_DMA)
+			rxd->rxd2 = RX_DMA_PLEN0(ring->rx_buf_size);
+		else
+			rxd->rxd2 = RX_DMA_LSO;
+
+		ring->rx_calc_idx = idx;
+		/* make sure that all changes to the dma ring are flushed before
+		 * we continue
+		 */
+		wmb();
+		fe_reg_w32(ring->rx_calc_idx, FE_REG_RX_CALC_IDX0);
+		done++;
+	}
+
+	if (done < budget)
+		fe_reg_w32(rx_intr, FE_REG_FE_INT_STATUS);
+
+	return done;
+}
+
+static int fe_poll_tx(struct fe_priv *priv, int budget, u32 tx_intr,
+		      int *tx_again)
+{
+	struct net_device *netdev = priv->netdev;
+	struct device *dev = &netdev->dev;
+	unsigned int bytes_compl = 0;
+	struct sk_buff *skb;
+	struct fe_tx_buf *tx_buf;
+	int done = 0;
+	u32 idx, hwidx;
+	struct fe_tx_ring *ring = &priv->tx_ring;
+
+	idx = ring->tx_free_idx;
+	hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0);
+
+	while ((idx != hwidx) && budget) {
+		tx_buf = &ring->tx_buf[idx];
+		skb = tx_buf->skb;
+
+		if (!skb)
+			break;
+
+		if (skb != (struct sk_buff *)DMA_DUMMY_DESC) {
+			bytes_compl += skb->len;
+			done++;
+			budget--;
+		}
+		fe_txd_unmap(dev, tx_buf);
+		idx = NEXT_TX_DESP_IDX(idx);
+	}
+	ring->tx_free_idx = idx;
+
+	if (idx == hwidx) {
+		/* read hw index again make sure no new tx packet */
+		hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0);
+		if (idx == hwidx)
+			fe_reg_w32(tx_intr, FE_REG_FE_INT_STATUS);
+		else
+			*tx_again = 1;
+	} else {
+		*tx_again = 1;
+	}
+
+	if (done) {
+		netdev_completed_queue(netdev, done, bytes_compl);
+		smp_mb();
+		if (unlikely(netif_queue_stopped(netdev) &&
+			     (fe_empty_txd(ring) > ring->tx_thresh)))
+			netif_wake_queue(netdev);
+	}
+
+	return done;
+}
+
+static int fe_poll(struct napi_struct *napi, int budget)
+{
+	struct fe_priv *priv = container_of(napi, struct fe_priv, rx_napi);
+	struct fe_hw_stats *hwstat = priv->hw_stats;
+	int tx_done, rx_done, tx_again;
+	u32 status, fe_status, status_reg, mask;
+	u32 tx_intr, rx_intr, status_intr;
+
+	status = fe_reg_r32(FE_REG_FE_INT_STATUS);
+	fe_status = status;
+	tx_intr = priv->soc->tx_int;
+	rx_intr = priv->soc->rx_int;
+	status_intr = priv->soc->status_int;
+	tx_done = 0;
+	rx_done = 0;
+	tx_again = 0;
+
+	if (fe_reg_table[FE_REG_FE_INT_STATUS2]) {
+		fe_status = fe_reg_r32(FE_REG_FE_INT_STATUS2);
+		status_reg = FE_REG_FE_INT_STATUS2;
+	} else {
+		status_reg = FE_REG_FE_INT_STATUS;
+	}
+
+	if (status & tx_intr)
+		tx_done = fe_poll_tx(priv, budget, tx_intr, &tx_again);
+
+	if (status & rx_intr)
+		rx_done = fe_poll_rx(napi, budget, priv, rx_intr);
+
+	if (unlikely(fe_status & status_intr)) {
+		if (hwstat && spin_trylock(&hwstat->stats_lock)) {
+			fe_stats_update(priv);
+			spin_unlock(&hwstat->stats_lock);
+		}
+		fe_reg_w32(status_intr, status_reg);
+	}
+
+	if (unlikely(netif_msg_intr(priv))) {
+		mask = fe_reg_r32(FE_REG_FE_INT_ENABLE);
+		netdev_info(priv->netdev,
+			    "done tx %d, rx %d, intr 0x%08x/0x%x\n",
+			    tx_done, rx_done, status, mask);
+	}
+
+	if (!tx_again && (rx_done < budget)) {
+		status = fe_reg_r32(FE_REG_FE_INT_STATUS);
+		if (status & (tx_intr | rx_intr)) {
+			/* let napi poll again */
+			rx_done = budget;
+			goto poll_again;
+		}
+
+		napi_complete_done(napi, rx_done);
+		fe_int_enable(tx_intr | rx_intr);
+	} else {
+		rx_done = budget;
+	}
+
+poll_again:
+	return rx_done;
+}
+
+static void fe_tx_timeout(struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	struct fe_tx_ring *ring = &priv->tx_ring;
+
+	priv->netdev->stats.tx_errors++;
+	netif_err(priv, tx_err, dev,
+		  "transmit timed out\n");
+	netif_info(priv, drv, dev, "dma_cfg:%08x\n",
+		   fe_reg_r32(FE_REG_PDMA_GLO_CFG));
+	netif_info(priv, drv, dev, "tx_ring=%d, "
+		   "base=%08x, max=%u, ctx=%u, dtx=%u, fdx=%hu, next=%hu\n",
+		   0, fe_reg_r32(FE_REG_TX_BASE_PTR0),
+		   fe_reg_r32(FE_REG_TX_MAX_CNT0),
+		   fe_reg_r32(FE_REG_TX_CTX_IDX0),
+		   fe_reg_r32(FE_REG_TX_DTX_IDX0),
+		   ring->tx_free_idx,
+		   ring->tx_next_idx);
+	netif_info(priv, drv, dev,
+		   "rx_ring=%d, base=%08x, max=%u, calc=%u, drx=%u\n",
+		   0, fe_reg_r32(FE_REG_RX_BASE_PTR0),
+		   fe_reg_r32(FE_REG_RX_MAX_CNT0),
+		   fe_reg_r32(FE_REG_RX_CALC_IDX0),
+		   fe_reg_r32(FE_REG_RX_DRX_IDX0));
+
+	if (!test_and_set_bit(FE_FLAG_RESET_PENDING, priv->pending_flags))
+		schedule_work(&priv->pending_work);
+}
+
+static irqreturn_t fe_handle_irq(int irq, void *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	u32 status, int_mask;
+
+	status = fe_reg_r32(FE_REG_FE_INT_STATUS);
+
+	if (unlikely(!status))
+		return IRQ_NONE;
+
+	int_mask = (priv->soc->rx_int | priv->soc->tx_int);
+	if (likely(status & int_mask)) {
+		if (likely(napi_schedule_prep(&priv->rx_napi))) {
+			fe_int_disable(int_mask);
+			__napi_schedule(&priv->rx_napi);
+		}
+	} else {
+		fe_reg_w32(status, FE_REG_FE_INT_STATUS);
+	}
+
+	return IRQ_HANDLED;
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void fe_poll_controller(struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	u32 int_mask = priv->soc->tx_int | priv->soc->rx_int;
+
+	fe_int_disable(int_mask);
+	fe_handle_irq(dev->irq, dev);
+	fe_int_enable(int_mask);
+}
+#endif
+
+int fe_set_clock_cycle(struct fe_priv *priv)
+{
+	unsigned long sysclk = priv->sysclk;
+
+	sysclk /= FE_US_CYC_CNT_DIVISOR;
+	sysclk <<= FE_US_CYC_CNT_SHIFT;
+
+	fe_w32((fe_r32(FE_FE_GLO_CFG) &
+			~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) |
+			sysclk,
+			FE_FE_GLO_CFG);
+	return 0;
+}
+
+void fe_fwd_config(struct fe_priv *priv)
+{
+	u32 fwd_cfg;
+
+	fwd_cfg = fe_r32(FE_GDMA1_FWD_CFG);
+
+	/* disable jumbo frame */
+	if (priv->flags & FE_FLAG_JUMBO_FRAME)
+		fwd_cfg &= ~FE_GDM1_JMB_EN;
+
+	/* set unicast/multicast/broadcast frame to cpu */
+	fwd_cfg &= ~0xffff;
+
+	fe_w32(fwd_cfg, FE_GDMA1_FWD_CFG);
+}
+
+static void fe_rxcsum_config(bool enable)
+{
+	if (enable)
+		fe_w32(fe_r32(FE_GDMA1_FWD_CFG) | (FE_GDM1_ICS_EN |
+					FE_GDM1_TCS_EN | FE_GDM1_UCS_EN),
+				FE_GDMA1_FWD_CFG);
+	else
+		fe_w32(fe_r32(FE_GDMA1_FWD_CFG) & ~(FE_GDM1_ICS_EN |
+					FE_GDM1_TCS_EN | FE_GDM1_UCS_EN),
+				FE_GDMA1_FWD_CFG);
+}
+
+static void fe_txcsum_config(bool enable)
+{
+	if (enable)
+		fe_w32(fe_r32(FE_CDMA_CSG_CFG) | (FE_ICS_GEN_EN |
+					FE_TCS_GEN_EN | FE_UCS_GEN_EN),
+				FE_CDMA_CSG_CFG);
+	else
+		fe_w32(fe_r32(FE_CDMA_CSG_CFG) & ~(FE_ICS_GEN_EN |
+					FE_TCS_GEN_EN | FE_UCS_GEN_EN),
+				FE_CDMA_CSG_CFG);
+}
+
+void fe_csum_config(struct fe_priv *priv)
+{
+	struct net_device *dev = priv_netdev(priv);
+
+	fe_txcsum_config((dev->features & NETIF_F_IP_CSUM));
+	fe_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+}
+
+static int fe_hw_init(struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	int i, err;
+
+	err = devm_request_irq(priv->dev, dev->irq, fe_handle_irq, 0,
+			       dev_name(priv->dev), dev);
+	if (err)
+		return err;
+
+	if (priv->soc->set_mac)
+		priv->soc->set_mac(priv, dev->dev_addr);
+	else
+		fe_hw_set_macaddr(priv, dev->dev_addr);
+
+	/* disable delay interrupt */
+	fe_reg_w32(0, FE_REG_DLY_INT_CFG);
+
+	fe_int_disable(priv->soc->tx_int | priv->soc->rx_int);
+
+	/* frame engine will push VLAN tag regarding to VIDX feild in Tx desc */
+	if (fe_reg_table[FE_REG_FE_DMA_VID_BASE])
+		for (i = 0; i < 16; i += 2)
+			fe_w32(((i + 1) << 16) + i,
+			       fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
+			       (i * 2));
+
+	if (priv->soc->fwd_config(priv))
+		netdev_err(dev, "unable to get clock\n");
+
+	if (fe_reg_table[FE_REG_FE_RST_GL]) {
+		fe_reg_w32(1, FE_REG_FE_RST_GL);
+		fe_reg_w32(0, FE_REG_FE_RST_GL);
+	}
+
+	return 0;
+}
+
+static int fe_open(struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	unsigned long flags;
+	u32 val;
+	int err;
+
+	err = fe_init_dma(priv);
+	if (err) {
+		fe_free_dma(priv);
+		return err;
+	}
+
+	spin_lock_irqsave(&priv->page_lock, flags);
+
+	val = FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN;
+	if (priv->flags & FE_FLAG_RX_2B_OFFSET)
+		val |= FE_RX_2B_OFFSET;
+	val |= priv->soc->pdma_glo_cfg;
+	fe_reg_w32(val, FE_REG_PDMA_GLO_CFG);
+
+	spin_unlock_irqrestore(&priv->page_lock, flags);
+
+	if (priv->phy)
+		priv->phy->start(priv);
+
+	if (priv->soc->has_carrier && priv->soc->has_carrier(priv))
+		netif_carrier_on(dev);
+
+	napi_enable(&priv->rx_napi);
+	fe_int_enable(priv->soc->tx_int | priv->soc->rx_int);
+	netif_start_queue(dev);
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+	mtk_ppe_probe(priv);
+#endif
+
+	return 0;
+}
+
+static int fe_stop(struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	unsigned long flags;
+	int i;
+
+	netif_tx_disable(dev);
+	fe_int_disable(priv->soc->tx_int | priv->soc->rx_int);
+	napi_disable(&priv->rx_napi);
+
+	if (priv->phy)
+		priv->phy->stop(priv);
+
+	spin_lock_irqsave(&priv->page_lock, flags);
+
+	fe_reg_w32(fe_reg_r32(FE_REG_PDMA_GLO_CFG) &
+		     ~(FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN),
+		     FE_REG_PDMA_GLO_CFG);
+	spin_unlock_irqrestore(&priv->page_lock, flags);
+
+	/* wait dma stop */
+	for (i = 0; i < 10; i++) {
+		if (fe_reg_r32(FE_REG_PDMA_GLO_CFG) &
+				(FE_TX_DMA_BUSY | FE_RX_DMA_BUSY)) {
+			msleep(20);
+			continue;
+		}
+		break;
+	}
+
+	fe_free_dma(priv);
+
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+	mtk_ppe_remove(priv);
+#endif
+
+	return 0;
+}
+
+static void fe_reset_phy(struct fe_priv *priv)
+{
+	int err, msec = 30;
+	struct gpio_desc *phy_reset;
+
+	phy_reset = devm_gpiod_get_optional(priv->dev, "phy-reset",
+					    GPIOD_OUT_HIGH);
+	if (!phy_reset)
+		return;
+
+	if (IS_ERR(phy_reset)) {
+		dev_err(priv->dev, "Error acquiring reset gpio pins: %ld\n",
+			PTR_ERR(phy_reset));
+		return;
+	}
+
+	err = of_property_read_u32(priv->dev->of_node, "phy-reset-duration",
+				   &msec);
+	if (!err && msec > 1000)
+		msec = 30;
+
+	if (msec > 20)
+		msleep(msec);
+	else
+		usleep_range(msec * 1000, msec * 1000 + 1000);
+
+	gpiod_set_value(phy_reset, 0);
+}
+
+static int __init fe_init(struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	struct device_node *port;
+	const char *mac_addr;
+	int err;
+
+	priv->soc->reset_fe();
+
+	if (priv->soc->switch_init)
+		if (priv->soc->switch_init(priv)) {
+			netdev_err(dev, "failed to initialize switch core\n");
+			return -ENODEV;
+		}
+
+	fe_reset_phy(priv);
+
+	mac_addr = of_get_mac_address(priv->dev->of_node);
+	if (mac_addr)
+		ether_addr_copy(dev->dev_addr, mac_addr);
+
+	/* If the mac address is invalid, use random mac address  */
+	if (!is_valid_ether_addr(dev->dev_addr)) {
+		eth_hw_addr_random(dev);
+		dev_err(priv->dev, "generated random MAC address %pM\n",
+			dev->dev_addr);
+	}
+
+	err = fe_mdio_init(priv);
+	if (err)
+		return err;
+
+	if (priv->soc->port_init)
+		for_each_child_of_node(priv->dev->of_node, port)
+			if (of_device_is_compatible(port, "mediatek,eth-port") &&
+			    of_device_is_available(port))
+				priv->soc->port_init(priv, port);
+
+	if (priv->phy) {
+		err = priv->phy->connect(priv);
+		if (err)
+			goto err_phy_disconnect;
+	}
+
+	err = fe_hw_init(dev);
+	if (err)
+		goto err_phy_disconnect;
+
+	if ((priv->flags & FE_FLAG_HAS_SWITCH) && priv->soc->switch_config)
+		priv->soc->switch_config(priv);
+
+	return 0;
+
+err_phy_disconnect:
+	if (priv->phy)
+		priv->phy->disconnect(priv);
+	fe_mdio_cleanup(priv);
+
+	return err;
+}
+
+static void fe_uninit(struct net_device *dev)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+
+	if (priv->phy)
+		priv->phy->disconnect(priv);
+	fe_mdio_cleanup(priv);
+
+	fe_reg_w32(0, FE_REG_FE_INT_ENABLE);
+	free_irq(dev->irq, dev);
+}
+
+static int fe_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+
+	if (!priv->phy_dev)
+		return -ENODEV;
+
+
+	return phy_mii_ioctl(priv->phy_dev, ifr, cmd);
+}
+
+static int fe_change_mtu(struct net_device *dev, int new_mtu)
+{
+	struct fe_priv *priv = netdev_priv(dev);
+	int frag_size, old_mtu;
+	u32 fwd_cfg;
+
+	old_mtu = dev->mtu;
+	dev->mtu = new_mtu;
+
+	if (!(priv->flags & FE_FLAG_JUMBO_FRAME))
+		return 0;
+
+	/* return early if the buffer sizes will not change */
+	if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN)
+		return 0;
+	if (old_mtu > ETH_DATA_LEN && new_mtu > ETH_DATA_LEN)
+		return 0;
+
+	if (new_mtu <= ETH_DATA_LEN)
+		priv->rx_ring.frag_size = fe_max_frag_size(ETH_DATA_LEN);
+	else
+		priv->rx_ring.frag_size = PAGE_SIZE;
+	priv->rx_ring.rx_buf_size = fe_max_buf_size(priv->rx_ring.frag_size);
+
+	if (!netif_running(dev))
+		return 0;
+
+	fe_stop(dev);
+	if (!IS_ENABLED(CONFIG_SOC_MT7621)) {
+		fwd_cfg = fe_r32(FE_GDMA1_FWD_CFG);
+		if (new_mtu <= ETH_DATA_LEN) {
+			fwd_cfg &= ~FE_GDM1_JMB_EN;
+		} else {
+			frag_size = fe_max_frag_size(new_mtu);
+			fwd_cfg &= ~(FE_GDM1_JMB_LEN_MASK << FE_GDM1_JMB_LEN_SHIFT);
+			fwd_cfg |= (DIV_ROUND_UP(frag_size, 1024) <<
+			FE_GDM1_JMB_LEN_SHIFT) | FE_GDM1_JMB_EN;
+		}
+		fe_w32(fwd_cfg, FE_GDMA1_FWD_CFG);
+	}
+
+	return fe_open(dev);
+}
+
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+static int
+fe_flow_offload(enum flow_offload_type type, struct flow_offload *flow,
+		struct flow_offload_hw_path *src,
+		struct flow_offload_hw_path *dest)
+{
+	struct fe_priv *priv;
+
+	if (src->dev != dest->dev)
+		return -EINVAL;
+
+	priv = netdev_priv(src->dev);
+
+	return mtk_flow_offload(priv, type, flow, src, dest);
+}
+#endif
+
+static const struct net_device_ops fe_netdev_ops = {
+	.ndo_init		= fe_init,
+	.ndo_uninit		= fe_uninit,
+	.ndo_open		= fe_open,
+	.ndo_stop		= fe_stop,
+	.ndo_start_xmit		= fe_start_xmit,
+	.ndo_set_mac_address	= fe_set_mac_address,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_do_ioctl		= fe_do_ioctl,
+	.ndo_change_mtu		= fe_change_mtu,
+	.ndo_tx_timeout		= fe_tx_timeout,
+	.ndo_get_stats64        = fe_get_stats64,
+	.ndo_vlan_rx_add_vid	= fe_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid	= fe_vlan_rx_kill_vid,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	.ndo_poll_controller	= fe_poll_controller,
+#endif
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+	.ndo_flow_offload	= fe_flow_offload,
+#endif
+};
+
+static void fe_reset_pending(struct fe_priv *priv)
+{
+	struct net_device *dev = priv->netdev;
+	int err;
+
+	rtnl_lock();
+	fe_stop(dev);
+
+	err = fe_open(dev);
+	if (err) {
+		netif_alert(priv, ifup, dev,
+			    "Driver up/down cycle failed, closing device.\n");
+		dev_close(dev);
+	}
+	rtnl_unlock();
+}
+
+static const struct fe_work_t fe_work[] = {
+	{FE_FLAG_RESET_PENDING, fe_reset_pending},
+};
+
+static void fe_pending_work(struct work_struct *work)
+{
+	struct fe_priv *priv = container_of(work, struct fe_priv, pending_work);
+	int i;
+	bool pending;
+
+	for (i = 0; i < ARRAY_SIZE(fe_work); i++) {
+		pending = test_and_clear_bit(fe_work[i].bitnr,
+					     priv->pending_flags);
+		if (pending)
+			fe_work[i].action(priv);
+	}
+}
+
+static int fe_probe(struct platform_device *pdev)
+{
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	const struct of_device_id *match;
+	struct fe_soc_data *soc;
+	struct net_device *netdev;
+	struct fe_priv *priv;
+	struct clk *sysclk;
+	int err, napi_weight;
+
+	device_reset(&pdev->dev);
+
+	match = of_match_device(of_fe_match, &pdev->dev);
+	soc = (struct fe_soc_data *)match->data;
+
+	if (soc->reg_table)
+		fe_reg_table = soc->reg_table;
+	else
+		soc->reg_table = fe_reg_table;
+
+	fe_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(fe_base)) {
+		err = -EADDRNOTAVAIL;
+		goto err_out;
+	}
+
+	netdev = alloc_etherdev(sizeof(*priv));
+	if (!netdev) {
+		dev_err(&pdev->dev, "alloc_etherdev failed\n");
+		err = -ENOMEM;
+		goto err_iounmap;
+	}
+
+	SET_NETDEV_DEV(netdev, &pdev->dev);
+	netdev->netdev_ops = &fe_netdev_ops;
+	netdev->base_addr = (unsigned long)fe_base;
+
+	netdev->irq = platform_get_irq(pdev, 0);
+	if (netdev->irq < 0) {
+		dev_err(&pdev->dev, "no IRQ resource found\n");
+		err = -ENXIO;
+		goto err_free_dev;
+	}
+
+	if (soc->init_data)
+		soc->init_data(soc, netdev);
+	netdev->vlan_features = netdev->hw_features &
+				~(NETIF_F_HW_VLAN_CTAG_TX |
+				  NETIF_F_HW_VLAN_CTAG_RX);
+	netdev->features |= netdev->hw_features;
+
+	if (IS_ENABLED(CONFIG_SOC_MT7621))
+		netdev->max_mtu = 2048;
+
+	/* fake rx vlan filter func. to support tx vlan offload func */
+	if (fe_reg_table[FE_REG_FE_DMA_VID_BASE])
+		netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+
+	priv = netdev_priv(netdev);
+	spin_lock_init(&priv->page_lock);
+	if (fe_reg_table[FE_REG_FE_COUNTER_BASE]) {
+		priv->hw_stats = kzalloc(sizeof(*priv->hw_stats), GFP_KERNEL);
+		if (!priv->hw_stats) {
+			err = -ENOMEM;
+			goto err_free_dev;
+		}
+		spin_lock_init(&priv->hw_stats->stats_lock);
+	}
+
+	sysclk = devm_clk_get(&pdev->dev, NULL);
+	if (!IS_ERR(sysclk)) {
+		priv->sysclk = clk_get_rate(sysclk);
+	} else if ((priv->flags & FE_FLAG_CALIBRATE_CLK)) {
+		dev_err(&pdev->dev, "this soc needs a clk for calibration\n");
+		err = -ENXIO;
+		goto err_free_dev;
+	}
+
+	priv->switch_np = of_parse_phandle(pdev->dev.of_node, "mediatek,switch", 0);
+	if ((priv->flags & FE_FLAG_HAS_SWITCH) && !priv->switch_np) {
+		dev_err(&pdev->dev, "failed to read switch phandle\n");
+		err = -ENODEV;
+		goto err_free_dev;
+	}
+
+	priv->netdev = netdev;
+	priv->dev = &pdev->dev;
+	priv->soc = soc;
+	priv->msg_enable = netif_msg_init(fe_msg_level, FE_DEFAULT_MSG_ENABLE);
+	priv->rx_ring.frag_size = fe_max_frag_size(ETH_DATA_LEN);
+	priv->rx_ring.rx_buf_size = fe_max_buf_size(priv->rx_ring.frag_size);
+	priv->tx_ring.tx_ring_size = NUM_DMA_DESC;
+	priv->rx_ring.rx_ring_size = NUM_DMA_DESC;
+	INIT_WORK(&priv->pending_work, fe_pending_work);
+	u64_stats_init(&priv->hw_stats->syncp);
+
+	napi_weight = 16;
+	if (priv->flags & FE_FLAG_NAPI_WEIGHT) {
+		napi_weight *= 4;
+		priv->tx_ring.tx_ring_size *= 4;
+		priv->rx_ring.rx_ring_size *= 4;
+	}
+	netif_napi_add(netdev, &priv->rx_napi, fe_poll, napi_weight);
+	fe_set_ethtool_ops(netdev);
+
+	err = register_netdev(netdev);
+	if (err) {
+		dev_err(&pdev->dev, "error bringing up device\n");
+		goto err_free_dev;
+	}
+
+	platform_set_drvdata(pdev, netdev);
+
+	netif_info(priv, probe, netdev, "mediatek frame engine at 0x%08lx, irq %d\n",
+		   netdev->base_addr, netdev->irq);
+
+	return 0;
+
+err_free_dev:
+	free_netdev(netdev);
+err_iounmap:
+	devm_iounmap(&pdev->dev, fe_base);
+err_out:
+	return err;
+}
+
+static int fe_remove(struct platform_device *pdev)
+{
+	struct net_device *dev = platform_get_drvdata(pdev);
+	struct fe_priv *priv = netdev_priv(dev);
+
+	netif_napi_del(&priv->rx_napi);
+	kfree(priv->hw_stats);
+
+	cancel_work_sync(&priv->pending_work);
+
+	unregister_netdev(dev);
+	free_netdev(dev);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver fe_driver = {
+	.probe = fe_probe,
+	.remove = fe_remove,
+	.driver = {
+		.name = "mtk_soc_eth",
+		.owner = THIS_MODULE,
+		.of_match_table = of_fe_match,
+	},
+};
+
+module_platform_driver(fe_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("Ethernet driver for Ralink SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.h
new file mode 100644
index 0000000000..2f6fe1724c
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.h
@@ -0,0 +1,532 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef FE_ETH_H
+#define FE_ETH_H
+
+#include <linux/mii.h>
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/dma-mapping.h>
+#include <linux/phy.h>
+#include <linux/ethtool.h>
+#include <linux/version.h>
+
+enum fe_reg {
+	FE_REG_PDMA_GLO_CFG = 0,
+	FE_REG_PDMA_RST_CFG,
+	FE_REG_DLY_INT_CFG,
+	FE_REG_TX_BASE_PTR0,
+	FE_REG_TX_MAX_CNT0,
+	FE_REG_TX_CTX_IDX0,
+	FE_REG_TX_DTX_IDX0,
+	FE_REG_RX_BASE_PTR0,
+	FE_REG_RX_MAX_CNT0,
+	FE_REG_RX_CALC_IDX0,
+	FE_REG_RX_DRX_IDX0,
+	FE_REG_FE_INT_ENABLE,
+	FE_REG_FE_INT_STATUS,
+	FE_REG_FE_DMA_VID_BASE,
+	FE_REG_FE_COUNTER_BASE,
+	FE_REG_FE_RST_GL,
+	FE_REG_FE_INT_STATUS2,
+	FE_REG_COUNT
+};
+
+enum fe_work_flag {
+	FE_FLAG_RESET_PENDING,
+	FE_FLAG_MAX
+};
+
+#define MTK_FE_DRV_VERSION		"0.1.2"
+
+/* power of 2 to let NEXT_TX_DESP_IDX work */
+#define NUM_DMA_DESC		BIT(10)
+#define MAX_DMA_DESC		0xfff
+
+#define FE_DELAY_EN_INT		0x80
+#define FE_DELAY_MAX_INT	0x04
+#define FE_DELAY_MAX_TOUT	0x04
+#define FE_DELAY_TIME		20
+#define FE_DELAY_CHAN		(((FE_DELAY_EN_INT | FE_DELAY_MAX_INT) << 8) | \
+				 FE_DELAY_MAX_TOUT)
+#define FE_DELAY_INIT		((FE_DELAY_CHAN << 16) | FE_DELAY_CHAN)
+#define FE_PSE_FQFC_CFG_INIT	0x80504000
+#define FE_PSE_FQFC_CFG_256Q	0xff908000
+
+/* interrupt bits */
+#define FE_CNT_PPE_AF		BIT(31)
+#define FE_CNT_GDM_AF		BIT(29)
+#define FE_PSE_P2_FC		BIT(26)
+#define FE_PSE_BUF_DROP		BIT(24)
+#define FE_GDM_OTHER_DROP	BIT(23)
+#define FE_PSE_P1_FC		BIT(22)
+#define FE_PSE_P0_FC		BIT(21)
+#define FE_PSE_FQ_EMPTY		BIT(20)
+#define FE_GE1_STA_CHG		BIT(18)
+#define FE_TX_COHERENT		BIT(17)
+#define FE_RX_COHERENT		BIT(16)
+#define FE_TX_DONE_INT3		BIT(11)
+#define FE_TX_DONE_INT2		BIT(10)
+#define FE_TX_DONE_INT1		BIT(9)
+#define FE_TX_DONE_INT0		BIT(8)
+#define FE_RX_DONE_INT0		BIT(2)
+#define FE_TX_DLY_INT		BIT(1)
+#define FE_RX_DLY_INT		BIT(0)
+
+#define FE_RX_DONE_INT		FE_RX_DONE_INT0
+#define FE_TX_DONE_INT		(FE_TX_DONE_INT0 | FE_TX_DONE_INT1 | \
+				 FE_TX_DONE_INT2 | FE_TX_DONE_INT3)
+
+#define RT5350_RX_DLY_INT	BIT(30)
+#define RT5350_TX_DLY_INT	BIT(28)
+#define RT5350_RX_DONE_INT1	BIT(17)
+#define RT5350_RX_DONE_INT0	BIT(16)
+#define RT5350_TX_DONE_INT3	BIT(3)
+#define RT5350_TX_DONE_INT2	BIT(2)
+#define RT5350_TX_DONE_INT1	BIT(1)
+#define RT5350_TX_DONE_INT0	BIT(0)
+
+#define RT5350_RX_DONE_INT	(RT5350_RX_DONE_INT0 | RT5350_RX_DONE_INT1)
+#define RT5350_TX_DONE_INT	(RT5350_TX_DONE_INT0 | RT5350_TX_DONE_INT1 | \
+				 RT5350_TX_DONE_INT2 | RT5350_TX_DONE_INT3)
+
+/* registers */
+#define FE_FE_OFFSET		0x0000
+#define FE_GDMA_OFFSET		0x0020
+#define FE_PSE_OFFSET		0x0040
+#define FE_GDMA2_OFFSET		0x0060
+#define FE_CDMA_OFFSET		0x0080
+#define FE_DMA_VID0		0x00a8
+#define FE_PDMA_OFFSET		0x0100
+#define FE_PPE_OFFSET		0x0200
+#define FE_CMTABLE_OFFSET	0x0400
+#define FE_POLICYTABLE_OFFSET	0x1000
+
+#define RT5350_PDMA_OFFSET	0x0800
+#define RT5350_SDM_OFFSET	0x0c00
+
+#define FE_MDIO_ACCESS		(FE_FE_OFFSET + 0x00)
+#define FE_MDIO_CFG		(FE_FE_OFFSET + 0x04)
+#define FE_FE_GLO_CFG		(FE_FE_OFFSET + 0x08)
+#define FE_FE_RST_GL		(FE_FE_OFFSET + 0x0C)
+#define FE_FE_INT_STATUS	(FE_FE_OFFSET + 0x10)
+#define FE_FE_INT_ENABLE	(FE_FE_OFFSET + 0x14)
+#define FE_MDIO_CFG2		(FE_FE_OFFSET + 0x18)
+#define FE_FOC_TS_T		(FE_FE_OFFSET + 0x1C)
+
+#define	FE_GDMA1_FWD_CFG	(FE_GDMA_OFFSET + 0x00)
+#define FE_GDMA1_SCH_CFG	(FE_GDMA_OFFSET + 0x04)
+#define FE_GDMA1_SHPR_CFG	(FE_GDMA_OFFSET + 0x08)
+#define FE_GDMA1_MAC_ADRL	(FE_GDMA_OFFSET + 0x0C)
+#define FE_GDMA1_MAC_ADRH	(FE_GDMA_OFFSET + 0x10)
+
+#define	FE_GDMA2_FWD_CFG	(FE_GDMA2_OFFSET + 0x00)
+#define FE_GDMA2_SCH_CFG	(FE_GDMA2_OFFSET + 0x04)
+#define FE_GDMA2_SHPR_CFG	(FE_GDMA2_OFFSET + 0x08)
+#define FE_GDMA2_MAC_ADRL	(FE_GDMA2_OFFSET + 0x0C)
+#define FE_GDMA2_MAC_ADRH	(FE_GDMA2_OFFSET + 0x10)
+
+#define FE_PSE_FQ_CFG		(FE_PSE_OFFSET + 0x00)
+#define FE_CDMA_FC_CFG		(FE_PSE_OFFSET + 0x04)
+#define FE_GDMA1_FC_CFG		(FE_PSE_OFFSET + 0x08)
+#define FE_GDMA2_FC_CFG		(FE_PSE_OFFSET + 0x0C)
+
+#define FE_CDMA_CSG_CFG		(FE_CDMA_OFFSET + 0x00)
+#define FE_CDMA_SCH_CFG		(FE_CDMA_OFFSET + 0x04)
+
+#ifdef CONFIG_SOC_MT7621
+#define MT7620A_GDMA_OFFSET		0x0500
+#else
+#define MT7620A_GDMA_OFFSET		0x0600
+#endif
+#define	MT7620A_GDMA1_FWD_CFG		(MT7620A_GDMA_OFFSET + 0x00)
+#define MT7620A_FE_GDMA1_SCH_CFG	(MT7620A_GDMA_OFFSET + 0x04)
+#define MT7620A_FE_GDMA1_SHPR_CFG	(MT7620A_GDMA_OFFSET + 0x08)
+#define MT7620A_FE_GDMA1_MAC_ADRL	(MT7620A_GDMA_OFFSET + 0x0C)
+#define MT7620A_FE_GDMA1_MAC_ADRH	(MT7620A_GDMA_OFFSET + 0x10)
+
+#define RT5350_TX_BASE_PTR0	(RT5350_PDMA_OFFSET + 0x00)
+#define RT5350_TX_MAX_CNT0	(RT5350_PDMA_OFFSET + 0x04)
+#define RT5350_TX_CTX_IDX0	(RT5350_PDMA_OFFSET + 0x08)
+#define RT5350_TX_DTX_IDX0	(RT5350_PDMA_OFFSET + 0x0C)
+#define RT5350_TX_BASE_PTR1	(RT5350_PDMA_OFFSET + 0x10)
+#define RT5350_TX_MAX_CNT1	(RT5350_PDMA_OFFSET + 0x14)
+#define RT5350_TX_CTX_IDX1	(RT5350_PDMA_OFFSET + 0x18)
+#define RT5350_TX_DTX_IDX1	(RT5350_PDMA_OFFSET + 0x1C)
+#define RT5350_TX_BASE_PTR2	(RT5350_PDMA_OFFSET + 0x20)
+#define RT5350_TX_MAX_CNT2	(RT5350_PDMA_OFFSET + 0x24)
+#define RT5350_TX_CTX_IDX2	(RT5350_PDMA_OFFSET + 0x28)
+#define RT5350_TX_DTX_IDX2	(RT5350_PDMA_OFFSET + 0x2C)
+#define RT5350_TX_BASE_PTR3	(RT5350_PDMA_OFFSET + 0x30)
+#define RT5350_TX_MAX_CNT3	(RT5350_PDMA_OFFSET + 0x34)
+#define RT5350_TX_CTX_IDX3	(RT5350_PDMA_OFFSET + 0x38)
+#define RT5350_TX_DTX_IDX3	(RT5350_PDMA_OFFSET + 0x3C)
+#define RT5350_RX_BASE_PTR0	(RT5350_PDMA_OFFSET + 0x100)
+#define RT5350_RX_MAX_CNT0	(RT5350_PDMA_OFFSET + 0x104)
+#define RT5350_RX_CALC_IDX0	(RT5350_PDMA_OFFSET + 0x108)
+#define RT5350_RX_DRX_IDX0	(RT5350_PDMA_OFFSET + 0x10C)
+#define RT5350_RX_BASE_PTR1	(RT5350_PDMA_OFFSET + 0x110)
+#define RT5350_RX_MAX_CNT1	(RT5350_PDMA_OFFSET + 0x114)
+#define RT5350_RX_CALC_IDX1	(RT5350_PDMA_OFFSET + 0x118)
+#define RT5350_RX_DRX_IDX1	(RT5350_PDMA_OFFSET + 0x11C)
+#define RT5350_PDMA_GLO_CFG	(RT5350_PDMA_OFFSET + 0x204)
+#define RT5350_PDMA_RST_CFG	(RT5350_PDMA_OFFSET + 0x208)
+#define RT5350_DLY_INT_CFG	(RT5350_PDMA_OFFSET + 0x20c)
+#define RT5350_FE_INT_STATUS	(RT5350_PDMA_OFFSET + 0x220)
+#define RT5350_FE_INT_ENABLE	(RT5350_PDMA_OFFSET + 0x228)
+#define RT5350_PDMA_SCH_CFG	(RT5350_PDMA_OFFSET + 0x280)
+
+#define FE_PDMA_GLO_CFG		(FE_PDMA_OFFSET + 0x00)
+#define FE_PDMA_RST_CFG		(FE_PDMA_OFFSET + 0x04)
+#define FE_PDMA_SCH_CFG		(FE_PDMA_OFFSET + 0x08)
+#define FE_DLY_INT_CFG		(FE_PDMA_OFFSET + 0x0C)
+#define FE_TX_BASE_PTR0		(FE_PDMA_OFFSET + 0x10)
+#define FE_TX_MAX_CNT0		(FE_PDMA_OFFSET + 0x14)
+#define FE_TX_CTX_IDX0		(FE_PDMA_OFFSET + 0x18)
+#define FE_TX_DTX_IDX0		(FE_PDMA_OFFSET + 0x1C)
+#define FE_TX_BASE_PTR1		(FE_PDMA_OFFSET + 0x20)
+#define FE_TX_MAX_CNT1		(FE_PDMA_OFFSET + 0x24)
+#define FE_TX_CTX_IDX1		(FE_PDMA_OFFSET + 0x28)
+#define FE_TX_DTX_IDX1		(FE_PDMA_OFFSET + 0x2C)
+#define FE_RX_BASE_PTR0		(FE_PDMA_OFFSET + 0x30)
+#define FE_RX_MAX_CNT0		(FE_PDMA_OFFSET + 0x34)
+#define FE_RX_CALC_IDX0		(FE_PDMA_OFFSET + 0x38)
+#define FE_RX_DRX_IDX0		(FE_PDMA_OFFSET + 0x3C)
+#define FE_TX_BASE_PTR2		(FE_PDMA_OFFSET + 0x40)
+#define FE_TX_MAX_CNT2		(FE_PDMA_OFFSET + 0x44)
+#define FE_TX_CTX_IDX2		(FE_PDMA_OFFSET + 0x48)
+#define FE_TX_DTX_IDX2		(FE_PDMA_OFFSET + 0x4C)
+#define FE_TX_BASE_PTR3		(FE_PDMA_OFFSET + 0x50)
+#define FE_TX_MAX_CNT3		(FE_PDMA_OFFSET + 0x54)
+#define FE_TX_CTX_IDX3		(FE_PDMA_OFFSET + 0x58)
+#define FE_TX_DTX_IDX3		(FE_PDMA_OFFSET + 0x5C)
+#define FE_RX_BASE_PTR1		(FE_PDMA_OFFSET + 0x60)
+#define FE_RX_MAX_CNT1		(FE_PDMA_OFFSET + 0x64)
+#define FE_RX_CALC_IDX1		(FE_PDMA_OFFSET + 0x68)
+#define FE_RX_DRX_IDX1		(FE_PDMA_OFFSET + 0x6C)
+
+/* Switch DMA configuration */
+#define RT5350_SDM_CFG		(RT5350_SDM_OFFSET + 0x00)
+#define RT5350_SDM_RRING	(RT5350_SDM_OFFSET + 0x04)
+#define RT5350_SDM_TRING	(RT5350_SDM_OFFSET + 0x08)
+#define RT5350_SDM_MAC_ADRL	(RT5350_SDM_OFFSET + 0x0C)
+#define RT5350_SDM_MAC_ADRH	(RT5350_SDM_OFFSET + 0x10)
+#define RT5350_SDM_TPCNT	(RT5350_SDM_OFFSET + 0x100)
+#define RT5350_SDM_TBCNT	(RT5350_SDM_OFFSET + 0x104)
+#define RT5350_SDM_RPCNT	(RT5350_SDM_OFFSET + 0x108)
+#define RT5350_SDM_RBCNT	(RT5350_SDM_OFFSET + 0x10C)
+#define RT5350_SDM_CS_ERR	(RT5350_SDM_OFFSET + 0x110)
+
+#define RT5350_SDM_ICS_EN	BIT(16)
+#define RT5350_SDM_TCS_EN	BIT(17)
+#define RT5350_SDM_UCS_EN	BIT(18)
+
+/* MDIO_CFG register bits */
+#define FE_MDIO_CFG_AUTO_POLL_EN	BIT(29)
+#define FE_MDIO_CFG_GP1_BP_EN		BIT(16)
+#define FE_MDIO_CFG_GP1_FRC_EN		BIT(15)
+#define FE_MDIO_CFG_GP1_SPEED_10	(0 << 13)
+#define FE_MDIO_CFG_GP1_SPEED_100	(1 << 13)
+#define FE_MDIO_CFG_GP1_SPEED_1000	(2 << 13)
+#define FE_MDIO_CFG_GP1_DUPLEX		BIT(12)
+#define FE_MDIO_CFG_GP1_FC_TX		BIT(11)
+#define FE_MDIO_CFG_GP1_FC_RX		BIT(10)
+#define FE_MDIO_CFG_GP1_LNK_DWN		BIT(9)
+#define FE_MDIO_CFG_GP1_AN_FAIL		BIT(8)
+#define FE_MDIO_CFG_MDC_CLK_DIV_1	(0 << 6)
+#define FE_MDIO_CFG_MDC_CLK_DIV_2	(1 << 6)
+#define FE_MDIO_CFG_MDC_CLK_DIV_4	(2 << 6)
+#define FE_MDIO_CFG_MDC_CLK_DIV_8	(3 << 6)
+#define FE_MDIO_CFG_TURBO_MII_FREQ	BIT(5)
+#define FE_MDIO_CFG_TURBO_MII_MODE	BIT(4)
+#define FE_MDIO_CFG_RX_CLK_SKEW_0	(0 << 2)
+#define FE_MDIO_CFG_RX_CLK_SKEW_200	(1 << 2)
+#define FE_MDIO_CFG_RX_CLK_SKEW_400	(2 << 2)
+#define FE_MDIO_CFG_RX_CLK_SKEW_INV	(3 << 2)
+#define FE_MDIO_CFG_TX_CLK_SKEW_0	0
+#define FE_MDIO_CFG_TX_CLK_SKEW_200	1
+#define FE_MDIO_CFG_TX_CLK_SKEW_400	2
+#define FE_MDIO_CFG_TX_CLK_SKEW_INV	3
+
+/* uni-cast port */
+#define FE_GDM1_JMB_LEN_MASK	0xf
+#define FE_GDM1_JMB_LEN_SHIFT	28
+#define FE_GDM1_ICS_EN		BIT(22)
+#define FE_GDM1_TCS_EN		BIT(21)
+#define FE_GDM1_UCS_EN		BIT(20)
+#define FE_GDM1_JMB_EN		BIT(19)
+#define FE_GDM1_STRPCRC		BIT(16)
+#define FE_GDM1_UFRC_P_CPU	(0 << 12)
+#define FE_GDM1_UFRC_P_GDMA1	(1 << 12)
+#define FE_GDM1_UFRC_P_PPE	(6 << 12)
+
+/* checksums */
+#define FE_ICS_GEN_EN		BIT(2)
+#define FE_UCS_GEN_EN		BIT(1)
+#define FE_TCS_GEN_EN		BIT(0)
+
+/* dma ring */
+#define FE_PST_DRX_IDX0		BIT(16)
+#define FE_PST_DTX_IDX3		BIT(3)
+#define FE_PST_DTX_IDX2		BIT(2)
+#define FE_PST_DTX_IDX1		BIT(1)
+#define FE_PST_DTX_IDX0		BIT(0)
+
+#define FE_RX_2B_OFFSET		BIT(31)
+#define FE_TX_WB_DDONE		BIT(6)
+#define FE_RX_DMA_BUSY		BIT(3)
+#define FE_TX_DMA_BUSY		BIT(1)
+#define FE_RX_DMA_EN		BIT(2)
+#define FE_TX_DMA_EN		BIT(0)
+
+#define FE_PDMA_SIZE_4DWORDS	(0 << 4)
+#define FE_PDMA_SIZE_8DWORDS	(1 << 4)
+#define FE_PDMA_SIZE_16DWORDS	(2 << 4)
+
+#define FE_US_CYC_CNT_MASK	0xff
+#define FE_US_CYC_CNT_SHIFT	0x8
+#define FE_US_CYC_CNT_DIVISOR	1000000
+
+/* rxd2 */
+#define RX_DMA_DONE		BIT(31)
+#define RX_DMA_LSO		BIT(30)
+#define RX_DMA_PLEN0(_x)	(((_x) & 0x3fff) << 16)
+#define RX_DMA_GET_PLEN0(_x)	(((_x) >> 16) & 0x3fff)
+#define RX_DMA_TAG		BIT(15)
+/* rxd3 */
+#define RX_DMA_TPID(_x)		(((_x) >> 16) & 0xffff)
+#define RX_DMA_VID(_x)		((_x) & 0xffff)
+/* rxd4 */
+#define RX_DMA_L4VALID		BIT(30)
+
+struct fe_rx_dma {
+	unsigned int rxd1;
+	unsigned int rxd2;
+	unsigned int rxd3;
+	unsigned int rxd4;
+} __packed __aligned(4);
+
+#define TX_DMA_BUF_LEN		0x3fff
+#define TX_DMA_PLEN0_MASK	(TX_DMA_BUF_LEN << 16)
+#define TX_DMA_PLEN0(_x)	(((_x) & TX_DMA_BUF_LEN) << 16)
+#define TX_DMA_PLEN1(_x)	((_x) & TX_DMA_BUF_LEN)
+#define TX_DMA_GET_PLEN0(_x)    (((_x) >> 16) & TX_DMA_BUF_LEN)
+#define TX_DMA_GET_PLEN1(_x)    ((_x) & TX_DMA_BUF_LEN)
+#define TX_DMA_LS1		BIT(14)
+#define TX_DMA_LS0		BIT(30)
+#define TX_DMA_DONE		BIT(31)
+
+#define TX_DMA_INS_VLAN_MT7621	BIT(16)
+#define TX_DMA_INS_VLAN		BIT(7)
+#define TX_DMA_INS_PPPOE	BIT(12)
+#define TX_DMA_QN(_x)		((_x) << 16)
+#define TX_DMA_PN(_x)		((_x) << 24)
+#define TX_DMA_QN_MASK		TX_DMA_QN(0x7)
+#define TX_DMA_PN_MASK		TX_DMA_PN(0x7)
+#define TX_DMA_UDF		BIT(20)
+#define TX_DMA_CHKSUM		(0x7 << 29)
+#define TX_DMA_TSO		BIT(28)
+
+/* frame engine counters */
+#define FE_PPE_AC_BCNT0		(FE_CMTABLE_OFFSET + 0x00)
+#define FE_GDMA1_TX_GBCNT	(FE_CMTABLE_OFFSET + 0x300)
+#define FE_GDMA2_TX_GBCNT	(FE_GDMA1_TX_GBCNT + 0x40)
+
+/* phy device flags */
+#define FE_PHY_FLAG_PORT	BIT(0)
+#define FE_PHY_FLAG_ATTACH	BIT(1)
+
+struct fe_tx_dma {
+	unsigned int txd1;
+	unsigned int txd2;
+	unsigned int txd3;
+	unsigned int txd4;
+} __packed __aligned(4);
+
+struct fe_priv;
+
+struct fe_phy {
+	/* make sure that phy operations are atomic */
+	spinlock_t		lock;
+
+	struct phy_device	*phy[8];
+	struct device_node	*phy_node[8];
+	const __be32		*phy_fixed[8];
+	int			duplex[8];
+	int			speed[8];
+	int			tx_fc[8];
+	int			rx_fc[8];
+	int (*connect)(struct fe_priv *priv);
+	void (*disconnect)(struct fe_priv *priv);
+	void (*start)(struct fe_priv *priv);
+	void (*stop)(struct fe_priv *priv);
+};
+
+struct fe_soc_data {
+	const u16 *reg_table;
+
+	void (*init_data)(struct fe_soc_data *data, struct net_device *netdev);
+	void (*reset_fe)(void);
+	void (*set_mac)(struct fe_priv *priv, unsigned char *mac);
+	int (*fwd_config)(struct fe_priv *priv);
+	void (*tx_dma)(struct fe_tx_dma *txd);
+	int (*switch_init)(struct fe_priv *priv);
+	int (*switch_config)(struct fe_priv *priv);
+	void (*port_init)(struct fe_priv *priv, struct device_node *port);
+	int (*has_carrier)(struct fe_priv *priv);
+	int (*mdio_init)(struct fe_priv *priv);
+	void (*mdio_cleanup)(struct fe_priv *priv);
+	int (*mdio_write)(struct mii_bus *bus, int phy_addr, int phy_reg,
+			  u16 val);
+	int (*mdio_read)(struct mii_bus *bus, int phy_addr, int phy_reg);
+	void (*mdio_adjust_link)(struct fe_priv *priv, int port);
+
+	void *swpriv;
+	u32 pdma_glo_cfg;
+	u32 rx_int;
+	u32 tx_int;
+	u32 status_int;
+	u32 checksum_bit;
+};
+
+#define FE_FLAG_PADDING_64B		BIT(0)
+#define FE_FLAG_PADDING_BUG		BIT(1)
+#define FE_FLAG_JUMBO_FRAME		BIT(2)
+#define FE_FLAG_RX_2B_OFFSET		BIT(3)
+#define FE_FLAG_RX_SG_DMA		BIT(4)
+#define FE_FLAG_NAPI_WEIGHT		BIT(6)
+#define FE_FLAG_CALIBRATE_CLK		BIT(7)
+#define FE_FLAG_HAS_SWITCH		BIT(8)
+
+#define FE_STAT_REG_DECLARE		\
+	_FE(tx_bytes)			\
+	_FE(tx_packets)			\
+	_FE(tx_skip)			\
+	_FE(tx_collisions)		\
+	_FE(rx_bytes)			\
+	_FE(rx_packets)			\
+	_FE(rx_overflow)		\
+	_FE(rx_fcs_errors)		\
+	_FE(rx_short_errors)		\
+	_FE(rx_long_errors)		\
+	_FE(rx_checksum_errors)		\
+	_FE(rx_flow_control_packets)
+
+struct fe_hw_stats {
+	/* make sure that stats operations are atomic */
+	spinlock_t stats_lock;
+
+	struct u64_stats_sync syncp;
+#define _FE(x) u64 x;
+	FE_STAT_REG_DECLARE
+#undef _FE
+};
+
+struct fe_tx_buf {
+	struct sk_buff *skb;
+	DEFINE_DMA_UNMAP_ADDR(dma_addr0);
+	DEFINE_DMA_UNMAP_ADDR(dma_addr1);
+	u16 dma_len0;
+	u16 dma_len1;
+};
+
+struct fe_tx_ring {
+	struct fe_tx_dma *tx_dma;
+	struct fe_tx_buf *tx_buf;
+	dma_addr_t tx_phys;
+	u16 tx_ring_size;
+	u16 tx_free_idx;
+	u16 tx_next_idx;
+	u16 tx_thresh;
+};
+
+struct fe_rx_ring {
+	struct page_frag_cache frag_cache;
+	struct fe_rx_dma *rx_dma;
+	u8 **rx_data;
+	dma_addr_t rx_phys;
+	u16 rx_ring_size;
+	u16 frag_size;
+	u16 rx_buf_size;
+	u16 rx_calc_idx;
+};
+
+struct fe_priv {
+	/* make sure that register operations are atomic */
+	spinlock_t			page_lock;
+
+	struct fe_soc_data		*soc;
+	struct net_device		*netdev;
+	struct device_node		*switch_np;
+	u32				msg_enable;
+	u32				flags;
+
+	struct device			*dev;
+	unsigned long			sysclk;
+
+	struct fe_rx_ring		rx_ring;
+	struct napi_struct		rx_napi;
+
+	struct fe_tx_ring               tx_ring;
+
+	struct fe_phy			*phy;
+	struct mii_bus			*mii_bus;
+	struct phy_device		*phy_dev;
+	u32				phy_flags;
+
+	int				link[8];
+
+	struct fe_hw_stats		*hw_stats;
+	unsigned long			vlan_map;
+	struct work_struct		pending_work;
+	DECLARE_BITMAP(pending_flags, FE_FLAG_MAX);
+
+	struct reset_control		*rst_ppe;
+	struct mtk_foe_entry		*foe_table;
+	dma_addr_t			foe_table_phys;
+	struct flow_offload __rcu	**foe_flow_table;
+};
+
+extern const struct of_device_id of_fe_match[];
+
+void fe_w32(u32 val, unsigned reg);
+void fe_m32(struct fe_priv *priv, u32 clear, u32 set, unsigned reg);
+u32 fe_r32(unsigned reg);
+
+int fe_set_clock_cycle(struct fe_priv *priv);
+void fe_csum_config(struct fe_priv *priv);
+void fe_stats_update(struct fe_priv *priv);
+void fe_fwd_config(struct fe_priv *priv);
+void fe_reg_w32(u32 val, enum fe_reg reg);
+u32 fe_reg_r32(enum fe_reg reg);
+
+void fe_reset(u32 reset_bits);
+
+static inline void *priv_netdev(struct fe_priv *priv)
+{
+	return (char *)priv - ALIGN(sizeof(struct net_device), NETDEV_ALIGN);
+}
+
+int mtk_ppe_probe(struct fe_priv *eth);
+void mtk_ppe_remove(struct fe_priv *eth);
+int mtk_flow_offload(struct fe_priv *eth,
+		     enum flow_offload_type type,
+		     struct flow_offload *flow,
+		     struct flow_offload_hw_path *src,
+		     struct flow_offload_hw_path *dest);
+int mtk_offload_check_rx(struct fe_priv *eth, struct sk_buff *skb, u32 rxd4);
+
+
+#endif /* FE_ETH_H */
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.c
new file mode 100644
index 0000000000..2fd424f6e3
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.c
@@ -0,0 +1,540 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2018 John Crispin <john@phrozen.org>
+ */
+
+#include "mtk_offload.h"
+
+#define INVALID	0
+#define UNBIND	1
+#define BIND	2
+#define FIN	3
+
+#define IPV4_HNAPT			0
+#define IPV4_HNAT			1
+
+static u32
+mtk_flow_hash_v4(struct flow_offload_tuple *tuple)
+{
+	u32 ports = ntohs(tuple->src_port)  << 16 | ntohs(tuple->dst_port);
+	u32 src = ntohl(tuple->dst_v4.s_addr);
+	u32 dst = ntohl(tuple->src_v4.s_addr);
+	u32 hash = (ports & src) | ((~ports) & dst);
+	u32 hash_23_0 = hash & 0xffffff;
+	u32 hash_31_24 = hash & 0xff000000;
+
+	hash = ports ^ src ^ dst ^ ((hash_23_0 << 8) | (hash_31_24 >> 24));
+	hash = ((hash & 0xffff0000) >> 16 ) ^ (hash & 0xfffff);
+	hash &= 0x7ff;
+	hash *= 2;;
+
+	return hash;
+}
+
+static int
+mtk_foe_prepare_v4(struct mtk_foe_entry *entry,
+		   struct flow_offload_tuple *tuple,
+		   struct flow_offload_tuple *dest_tuple,
+		   struct flow_offload_hw_path *src,
+		   struct flow_offload_hw_path *dest)
+{
+	int is_mcast = !!is_multicast_ether_addr(dest->eth_dest);
+
+	if (tuple->l4proto == IPPROTO_UDP)
+		entry->ipv4_hnapt.bfib1.udp = 1;
+
+	entry->ipv4_hnapt.etype = htons(ETH_P_IP);
+	entry->ipv4_hnapt.bfib1.pkt_type = IPV4_HNAPT;
+	entry->ipv4_hnapt.iblk2.fqos = 0;
+	entry->ipv4_hnapt.bfib1.ttl = 1;
+	entry->ipv4_hnapt.bfib1.cah = 1;
+	entry->ipv4_hnapt.bfib1.ka = 1;
+	entry->ipv4_hnapt.iblk2.mcast = is_mcast;
+	entry->ipv4_hnapt.iblk2.dscp = 0;
+	entry->ipv4_hnapt.iblk2.port_mg = 0x3f;
+	entry->ipv4_hnapt.iblk2.port_ag = 0x1f;
+#ifdef CONFIG_NET_RALINK_HW_QOS
+	entry->ipv4_hnapt.iblk2.qid = 1;
+	entry->ipv4_hnapt.iblk2.fqos = 1;
+#endif
+#ifdef CONFIG_RALINK
+	entry->ipv4_hnapt.iblk2.dp = 1;
+	if ((dest->flags & FLOW_OFFLOAD_PATH_VLAN) && (dest->vlan_id > 1))
+		entry->ipv4_hnapt.iblk2.qid += 8;
+#else
+	entry->ipv4_hnapt.iblk2.dp = (dest->dev->name[3] - '0') + 1;
+#endif
+
+	entry->ipv4_hnapt.sip = ntohl(tuple->src_v4.s_addr);
+	entry->ipv4_hnapt.dip = ntohl(tuple->dst_v4.s_addr);
+	entry->ipv4_hnapt.sport = ntohs(tuple->src_port);
+	entry->ipv4_hnapt.dport = ntohs(tuple->dst_port);
+
+	entry->ipv4_hnapt.new_sip = ntohl(dest_tuple->dst_v4.s_addr);
+	entry->ipv4_hnapt.new_dip = ntohl(dest_tuple->src_v4.s_addr);
+	entry->ipv4_hnapt.new_sport = ntohs(dest_tuple->dst_port);
+	entry->ipv4_hnapt.new_dport = ntohs(dest_tuple->src_port);
+
+	entry->bfib1.state = BIND;
+
+	if (dest->flags & FLOW_OFFLOAD_PATH_PPPOE) {
+		entry->bfib1.psn = 1;
+		entry->ipv4_hnapt.etype = htons(ETH_P_PPP_SES);
+		entry->ipv4_hnapt.pppoe_id = dest->pppoe_sid;
+	}
+
+	if (dest->flags & FLOW_OFFLOAD_PATH_VLAN) {
+		entry->ipv4_hnapt.vlan1 = dest->vlan_id;
+		entry->bfib1.vlan_layer = 1;
+
+		switch (dest->vlan_proto) {
+		case htons(ETH_P_8021Q):
+			entry->ipv4_hnapt.bfib1.vpm = 1;
+			break;
+		case htons(ETH_P_8021AD):
+			entry->ipv4_hnapt.bfib1.vpm = 2;
+			break;
+		default:
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+static void
+mtk_foe_set_mac(struct mtk_foe_entry *entry, u8 *smac, u8 *dmac)
+{
+	entry->ipv4_hnapt.dmac_hi = swab32(*((u32*) dmac));
+	entry->ipv4_hnapt.dmac_lo = swab16(*((u16*) &dmac[4]));
+	entry->ipv4_hnapt.smac_hi = swab32(*((u32*) smac));
+	entry->ipv4_hnapt.smac_lo = swab16(*((u16*) &smac[4]));
+}
+
+static int
+mtk_check_entry_available(struct mtk_eth *eth, u32 hash)
+{
+	struct mtk_foe_entry entry = ((struct mtk_foe_entry *)eth->foe_table)[hash];
+
+	return (entry.bfib1.state == BIND)? 0:1;
+}
+
+static void
+mtk_foe_write(struct mtk_eth *eth, u32 hash,
+	      struct mtk_foe_entry *entry)
+{
+	struct mtk_foe_entry *table = (struct mtk_foe_entry *)eth->foe_table;
+
+	memcpy(&table[hash], entry, sizeof(*entry));
+}
+
+int mtk_flow_offload(struct mtk_eth *eth,
+		     enum flow_offload_type type,
+		     struct flow_offload *flow,
+		     struct flow_offload_hw_path *src,
+		     struct flow_offload_hw_path *dest)
+{
+	struct flow_offload_tuple *otuple = &flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple;
+	struct flow_offload_tuple *rtuple = &flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple;
+	u32 time_stamp = mtk_r32(eth, 0x0010) & (0x7fff);
+	u32 ohash, rhash;
+	struct mtk_foe_entry orig = {
+		.bfib1.time_stamp = time_stamp,
+		.bfib1.psn = 0,
+	};
+	struct mtk_foe_entry reply = {
+		.bfib1.time_stamp = time_stamp,
+		.bfib1.psn = 0,
+	};
+
+	if (otuple->l4proto != IPPROTO_TCP && otuple->l4proto != IPPROTO_UDP)
+		return -EINVAL;
+	
+	if (type == FLOW_OFFLOAD_DEL) {
+		flow = NULL;
+		synchronize_rcu();
+		return 0;
+	}
+
+	switch (otuple->l3proto) {
+	case AF_INET:
+		if (mtk_foe_prepare_v4(&orig, otuple, rtuple, src, dest) ||
+		    mtk_foe_prepare_v4(&reply, rtuple, otuple, dest, src))
+			return -EINVAL;
+
+		ohash = mtk_flow_hash_v4(otuple);
+		rhash = mtk_flow_hash_v4(rtuple);
+		break;
+
+	case AF_INET6:
+		return -EINVAL;
+
+	default:
+		return -EINVAL;
+	}
+
+	/* Two-way hash: when hash collision occurs, the hash value will be shifted to the next position. */
+	if (!mtk_check_entry_available(eth, ohash)){       
+		if (!mtk_check_entry_available(eth, ohash + 1))
+			return -EINVAL;
+                ohash += 1;
+        }
+        if (!mtk_check_entry_available(eth, rhash)){
+		if (!mtk_check_entry_available(eth, rhash + 1))
+                        return -EINVAL;
+                rhash += 1;
+	}
+
+	mtk_foe_set_mac(&orig, dest->eth_src, dest->eth_dest);
+	mtk_foe_set_mac(&reply, src->eth_src, src->eth_dest);
+	mtk_foe_write(eth, ohash, &orig);
+	mtk_foe_write(eth, rhash, &reply);
+	rcu_assign_pointer(eth->foe_flow_table[ohash], flow);
+	rcu_assign_pointer(eth->foe_flow_table[rhash], flow);
+
+	return 0;
+}
+
+#ifdef CONFIG_NET_RALINK_HW_QOS
+
+#define QDMA_TX_SCH_TX	  0x1a14
+
+static void mtk_ppe_scheduler(struct mtk_eth *eth, int id, u32 rate)
+{
+	int exp = 0, shift = 0;
+	u32 reg = mtk_r32(eth, QDMA_TX_SCH_TX);
+	u32 val = 0;
+
+	if (rate)
+		val = BIT(11);
+
+	while (rate > 127) {
+		rate /= 10;
+		exp++;
+	}
+
+	val |= (rate & 0x7f) << 4;
+	val |= exp & 0xf;
+	if (id)
+		shift = 16;
+	reg &= ~(0xffff << shift);
+	reg |= val << shift;
+	mtk_w32(eth, val, QDMA_TX_SCH_TX);
+}
+
+#define QTX_CFG(x)	(0x1800 + (x * 0x10))
+#define QTX_SCH(x)	(0x1804 + (x * 0x10))
+
+static void mtk_ppe_queue(struct mtk_eth *eth, int id, int sched, int weight, int resv, u32 min_rate, u32 max_rate)
+{
+	int max_exp = 0, min_exp = 0;
+	u32 reg;
+
+	if (id >= 16)
+		return;
+
+	reg = mtk_r32(eth, QTX_SCH(id));
+	reg &= 0x70000000;
+
+	if (sched)
+		reg |= BIT(31);
+
+	if (min_rate)
+		reg |= BIT(27);
+
+	if (max_rate)
+		reg |= BIT(11);
+
+	while (max_rate > 127) {
+		max_rate /= 10;
+		max_exp++;
+	}
+
+	while (min_rate > 127) {
+		min_rate /= 10;
+		min_exp++;
+	}
+
+	reg |= (min_rate & 0x7f) << 20;
+	reg |= (min_exp & 0xf) << 16;
+	reg |= (weight & 0xf) << 12;
+	reg |= (max_rate & 0x7f) << 4;
+	reg |= max_exp & 0xf;
+	mtk_w32(eth, reg, QTX_SCH(id));
+
+	resv &= 0xff;
+	reg = mtk_r32(eth, QTX_CFG(id));
+	reg &= 0xffff0000;
+	reg |= (resv << 8) | resv;
+	mtk_w32(eth, reg, QTX_CFG(id));
+}
+#endif
+
+static int mtk_init_foe_table(struct mtk_eth *eth)
+{
+	if (eth->foe_table)
+		return 0;
+
+	eth->foe_flow_table = devm_kcalloc(eth->dev, MTK_PPE_ENTRY_CNT,
+					   sizeof(*eth->foe_flow_table),
+					   GFP_KERNEL);
+	if (!eth->foe_flow_table)
+		return -EINVAL;
+
+	/* map the FOE table */
+	eth->foe_table = dmam_alloc_coherent(eth->dev, MTK_PPE_TBL_SZ,
+					     &eth->foe_table_phys, GFP_KERNEL);
+	if (!eth->foe_table) {
+		dev_err(eth->dev, "failed to allocate foe table\n");
+		kfree(eth->foe_flow_table);
+		return -ENOMEM;
+	}
+
+
+	return 0;
+}
+
+static int mtk_ppe_start(struct mtk_eth *eth)
+{
+	int ret;
+
+	ret = mtk_init_foe_table(eth);
+	if (ret)
+		return ret;
+
+	/* tell the PPE about the tables base address */
+	mtk_w32(eth, eth->foe_table_phys, MTK_REG_PPE_TB_BASE);
+
+	/* flush the table */
+	memset(eth->foe_table, 0, MTK_PPE_TBL_SZ);
+
+	/* setup hashing */
+	mtk_m32(eth,
+		MTK_PPE_TB_CFG_HASH_MODE_MASK | MTK_PPE_TB_CFG_TBL_SZ_MASK,
+		MTK_PPE_TB_CFG_HASH_MODE1 | MTK_PPE_TB_CFG_TBL_SZ_4K,
+		MTK_REG_PPE_TB_CFG);
+
+	/* set the default hashing seed */
+	mtk_w32(eth, MTK_PPE_HASH_SEED, MTK_REG_PPE_HASH_SEED);
+
+	/* each foe entry is 64bytes and is setup by cpu forwarding*/
+	mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE | MTK_PPE_TB_CFG_ENTRY_SZ_MASK |
+		MTK_PPE_TB_CFG_SMA_MASK,
+		MTK_PPE_TB_CFG_ENTRY_SZ_64B |  MTK_PPE_TB_CFG_SMA_FWD_CPU,
+		MTK_REG_PPE_TB_CFG);
+
+	/* set ip proto */
+	mtk_w32(eth, 0xFFFFFFFF, MTK_REG_PPE_IP_PROT_CHK);
+
+	/* setup caching */
+	mtk_m32(eth, 0, MTK_PPE_CAH_CTRL_X_MODE, MTK_REG_PPE_CAH_CTRL);
+	mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE, MTK_PPE_CAH_CTRL_EN,
+		MTK_REG_PPE_CAH_CTRL);
+
+	/* enable FOE */
+	mtk_m32(eth, 0, MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN |
+		MTK_PPE_FLOW_CFG_IPV4_NAPT_EN | MTK_PPE_FLOW_CFG_IPV4_NAT_EN |
+		MTK_PPE_FLOW_CFG_IPV4_GREK_EN,
+		MTK_REG_PPE_FLOW_CFG);
+
+	/* setup flow entry un/bind aging */
+	mtk_m32(eth, 0,
+		MTK_PPE_TB_CFG_UNBD_AGE | MTK_PPE_TB_CFG_NTU_AGE |
+		MTK_PPE_TB_CFG_FIN_AGE | MTK_PPE_TB_CFG_UDP_AGE |
+		MTK_PPE_TB_CFG_TCP_AGE,
+		MTK_REG_PPE_TB_CFG);
+
+	mtk_m32(eth, MTK_PPE_UNB_AGE_MNP_MASK | MTK_PPE_UNB_AGE_DLTA_MASK,
+		MTK_PPE_UNB_AGE_MNP | MTK_PPE_UNB_AGE_DLTA,
+		MTK_REG_PPE_UNB_AGE);
+	mtk_m32(eth, MTK_PPE_BND_AGE0_NTU_DLTA_MASK |
+		MTK_PPE_BND_AGE0_UDP_DLTA_MASK,
+		MTK_PPE_BND_AGE0_NTU_DLTA | MTK_PPE_BND_AGE0_UDP_DLTA,
+		MTK_REG_PPE_BND_AGE0);
+	mtk_m32(eth, MTK_PPE_BND_AGE1_FIN_DLTA_MASK |
+		MTK_PPE_BND_AGE1_TCP_DLTA_MASK,
+		MTK_PPE_BND_AGE1_FIN_DLTA | MTK_PPE_BND_AGE1_TCP_DLTA,
+		MTK_REG_PPE_BND_AGE1);
+
+	/* setup flow entry keep alive */
+	mtk_m32(eth, MTK_PPE_TB_CFG_KA_MASK, MTK_PPE_TB_CFG_KA,
+		MTK_REG_PPE_TB_CFG);
+	mtk_w32(eth, MTK_PPE_KA_UDP | MTK_PPE_KA_TCP | MTK_PPE_KA_T, MTK_REG_PPE_KA);
+
+	/* setup flow entry rate limit */
+	mtk_w32(eth, (0x3fff << 16) | 0x3fff, MTK_REG_PPE_BIND_LMT_0);
+	mtk_w32(eth, MTK_PPE_NTU_KA | 0x3fff, MTK_REG_PPE_BIND_LMT_1);
+	mtk_m32(eth, MTK_PPE_BNDR_RATE_MASK, 1, MTK_REG_PPE_BNDR);
+
+	/* enable the PPE */
+	mtk_m32(eth, 0, MTK_PPE_GLO_CFG_EN, MTK_REG_PPE_GLO_CFG);
+
+#ifdef CONFIG_RALINK
+	/* set the default forwarding port to QDMA */
+	mtk_w32(eth, 0x0, MTK_REG_PPE_DFT_CPORT);
+#else
+	/* set the default forwarding port to QDMA */
+	mtk_w32(eth, 0x55555555, MTK_REG_PPE_DFT_CPORT);
+#endif
+
+	/* allow packets with TTL=0 */
+	mtk_m32(eth, MTK_PPE_GLO_CFG_TTL0_DROP, 0, MTK_REG_PPE_GLO_CFG);
+
+	/* send all traffic from gmac to the ppe */
+	mtk_m32(eth, 0xffff, 0x4444, MTK_GDMA_FWD_CFG(0));
+	mtk_m32(eth, 0xffff, 0x4444, MTK_GDMA_FWD_CFG(1));
+
+	dev_info(eth->dev, "PPE started\n");
+
+#ifdef CONFIG_NET_RALINK_HW_QOS
+	mtk_ppe_scheduler(eth, 0, 500000);
+	mtk_ppe_scheduler(eth, 1, 500000);
+	mtk_ppe_queue(eth, 0, 0, 7, 32, 250000, 0);
+	mtk_ppe_queue(eth, 1, 0, 7, 32, 250000, 0);
+	mtk_ppe_queue(eth, 8, 1, 7, 32, 250000, 0);
+	mtk_ppe_queue(eth, 9, 1, 7, 32, 250000, 0);
+#endif
+
+	return 0;
+}
+
+static int mtk_ppe_busy_wait(struct mtk_eth *eth)
+{
+	unsigned long t_start = jiffies;
+	u32 r = 0;
+
+	while (1) {
+		r = mtk_r32(eth, MTK_REG_PPE_GLO_CFG);
+		if (!(r & MTK_PPE_GLO_CFG_BUSY))
+			return 0;
+		if (time_after(jiffies, t_start + HZ))
+			break;
+		usleep_range(10, 20);
+	}
+
+	dev_err(eth->dev, "ppe: table busy timeout - resetting\n");
+	reset_control_reset(eth->rst_ppe);
+
+	return -ETIMEDOUT;
+}
+
+static int mtk_ppe_stop(struct mtk_eth *eth)
+{
+	u32 r1 = 0, r2 = 0;
+	int i;
+
+	/* discard all traffic while we disable the PPE */
+	mtk_m32(eth, 0xffff, 0x7777, MTK_GDMA_FWD_CFG(0));
+	mtk_m32(eth, 0xffff, 0x7777, MTK_GDMA_FWD_CFG(1));
+
+	if (mtk_ppe_busy_wait(eth))
+		return -ETIMEDOUT;
+
+	/* invalidate all flow table entries */
+	for (i = 0; i < MTK_PPE_ENTRY_CNT; i++)
+		eth->foe_table[i].bfib1.state = FOE_STATE_INVALID;
+
+	/* disable caching */
+	mtk_m32(eth, 0, MTK_PPE_CAH_CTRL_X_MODE, MTK_REG_PPE_CAH_CTRL);
+	mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE | MTK_PPE_CAH_CTRL_EN, 0,
+		MTK_REG_PPE_CAH_CTRL);
+
+	/* flush cache has to be ahead of hnat diable --*/
+	mtk_m32(eth, MTK_PPE_GLO_CFG_EN, 0, MTK_REG_PPE_GLO_CFG);
+
+	/* disable FOE */
+	mtk_m32(eth,
+		MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN |
+		MTK_PPE_FLOW_CFG_IPV4_NAPT_EN | MTK_PPE_FLOW_CFG_IPV4_NAT_EN |
+		MTK_PPE_FLOW_CFG_FUC_FOE | MTK_PPE_FLOW_CFG_FMC_FOE,
+		0, MTK_REG_PPE_FLOW_CFG);
+
+	/* disable FOE aging */
+	mtk_m32(eth, 0,
+		MTK_PPE_TB_CFG_FIN_AGE | MTK_PPE_TB_CFG_UDP_AGE |
+		MTK_PPE_TB_CFG_TCP_AGE | MTK_PPE_TB_CFG_UNBD_AGE |
+		MTK_PPE_TB_CFG_NTU_AGE, MTK_REG_PPE_TB_CFG);
+
+	r1 = mtk_r32(eth, 0x100);
+	r2 = mtk_r32(eth, 0x10c);
+
+	dev_info(eth->dev, "0x100 = 0x%x, 0x10c = 0x%x\n", r1, r2);
+
+	if (((r1 & 0xff00) >> 0x8) >= (r1 & 0xff) ||
+	    ((r1 & 0xff00) >> 0x8) >= (r2 & 0xff)) {
+		dev_info(eth->dev, "reset pse\n");
+		mtk_w32(eth, 0x1, 0x4);
+	}
+
+	/* set the foe entry base address to 0 */
+	mtk_w32(eth, 0, MTK_REG_PPE_TB_BASE);
+
+	if (mtk_ppe_busy_wait(eth))
+		return -ETIMEDOUT;
+
+	/* send all traffic back to the DMA engine */
+#ifdef CONFIG_RALINK
+	mtk_m32(eth, 0xffff, 0x0, MTK_GDMA_FWD_CFG(0));
+	mtk_m32(eth, 0xffff, 0x0, MTK_GDMA_FWD_CFG(1));
+#else
+	mtk_m32(eth, 0xffff, 0x5555, MTK_GDMA_FWD_CFG(0));
+	mtk_m32(eth, 0xffff, 0x5555, MTK_GDMA_FWD_CFG(1));
+#endif
+	return 0;
+}
+
+static void mtk_offload_keepalive(struct fe_priv *eth, unsigned int hash)
+{
+	struct flow_offload *flow;
+
+	rcu_read_lock();
+	flow = rcu_dereference(eth->foe_flow_table[hash]);
+	if (flow)
+		flow->timeout = jiffies + 30 * HZ;
+	rcu_read_unlock();
+}
+
+int mtk_offload_check_rx(struct fe_priv *eth, struct sk_buff *skb, u32 rxd4)
+{
+	unsigned int hash;
+
+	switch (FIELD_GET(MTK_RXD4_CPU_REASON, rxd4)) {
+	case MTK_CPU_REASON_KEEPALIVE_UC_OLD_HDR:
+	case MTK_CPU_REASON_KEEPALIVE_MC_NEW_HDR:
+	case MTK_CPU_REASON_KEEPALIVE_DUP_OLD_HDR:
+		hash = FIELD_GET(MTK_RXD4_FOE_ENTRY, rxd4);
+		mtk_offload_keepalive(eth, hash);
+		return -1;
+	case MTK_CPU_REASON_PACKET_SAMPLING:
+		return -1;
+	default:
+		return 0;
+	}
+}
+
+int mtk_ppe_probe(struct mtk_eth *eth)
+{
+	int err;
+
+	err = mtk_ppe_start(eth);
+	if (err)
+		return err;
+
+	err = mtk_ppe_debugfs_init(eth);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+void mtk_ppe_remove(struct mtk_eth *eth)
+{
+	mtk_ppe_stop(eth);
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.h
new file mode 100644
index 0000000000..f714c90f92
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.h
@@ -0,0 +1,260 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2014-2016 Sean Wang <sean.wang@mediatek.com>
+ *   Copyright (C) 2016-2017 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/if.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/reset.h>
+#include <linux/netfilter.h>
+#include <linux/netdevice.h>
+#include <net/netfilter/nf_flow_table.h>
+#include <linux/debugfs.h>
+#include <linux/etherdevice.h>
+#include <linux/bitfield.h>
+
+#include "mtk_eth_soc.h"
+
+#ifdef CONFIG_RALINK
+/* ramips compat */
+#define mtk_eth					fe_priv
+#define MTK_GDMA_FWD_CFG(x)			(0x500 + (x * 0x1000))
+#define mtk_m32					fe_m32
+
+static inline u32
+mtk_r32(struct mtk_eth *eth, u32 reg)
+{
+	return fe_r32(reg);
+}
+
+static inline void
+mtk_w32(struct mtk_eth *eth, u32 val, u32 reg)
+{
+	fe_w32(val, reg);
+}
+#endif
+
+#define MTK_REG_PPE_GLO_CFG			0xe00
+#define   MTK_PPE_GLO_CFG_BUSY			BIT(31)
+#define   MTK_PPE_GLO_CFG_TTL0_DROP		BIT(4)
+#define   MTK_PPE_GLO_CFG_EN			BIT(0)
+
+#define MTK_REG_PPE_FLOW_CFG			0xe04
+#define   MTK_PPE_FLOW_CFG_IPV4_GREK_EN		BIT(19)
+#define   MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN	BIT(17)
+#define   MTK_PPE_FLOW_CFG_IPV4_NAPT_EN		BIT(13)
+#define   MTK_PPE_FLOW_CFG_IPV4_NAT_EN		BIT(12)
+#define   MTK_PPE_FLOW_CFG_FUC_FOE		BIT(2)
+#define   MTK_PPE_FLOW_CFG_FMC_FOE		BIT(1)
+
+#define MTK_REG_PPE_IP_PROT_CHK			0xe08
+
+#define MTK_REG_PPE_TB_BASE			0xe20
+
+#define MTK_REG_PPE_BNDR			0xe28
+#define   MTK_PPE_BNDR_RATE_MASK		0xffff
+
+#define MTK_REG_PPE_BIND_LMT_0			0xe2C
+
+#define MTK_REG_PPE_BIND_LMT_1			0xe30
+#define   MTK_PPE_NTU_KA			BIT(16)
+
+#define MTK_REG_PPE_KA				0xe34
+#define   MTK_PPE_KA_T				BIT(0)
+#define   MTK_PPE_KA_TCP			BIT(16)
+#define   MTK_PPE_KA_UDP			BIT(24)
+
+#define MTK_REG_PPE_UNB_AGE			0xe38
+#define   MTK_PPE_UNB_AGE_MNP_MASK		(0xffff << 16)
+#define   MTK_PPE_UNB_AGE_MNP			(1000 << 16)
+#define   MTK_PPE_UNB_AGE_DLTA_MASK		0xff
+#define   MTK_PPE_UNB_AGE_DLTA			3
+
+#define MTK_REG_PPE_BND_AGE0			0xe3c
+#define   MTK_PPE_BND_AGE0_NTU_DLTA_MASK	(0xffff << 16)
+#define   MTK_PPE_BND_AGE0_NTU_DLTA		(5 << 16)
+#define   MTK_PPE_BND_AGE0_UDP_DLTA_MASK	0xffff
+#define   MTK_PPE_BND_AGE0_UDP_DLTA		5
+
+#define MTK_REG_PPE_BND_AGE1			0xe40
+#define   MTK_PPE_BND_AGE1_FIN_DLTA_MASK	(0xffff << 16)
+#define   MTK_PPE_BND_AGE1_FIN_DLTA		(5 << 16)
+#define   MTK_PPE_BND_AGE1_TCP_DLTA_MASK	0xffff
+#define   MTK_PPE_BND_AGE1_TCP_DLTA		5
+
+#define MTK_REG_PPE_DFT_CPORT			0xe48
+
+#define MTK_REG_PPE_TB_CFG			0xe1c
+#define   MTK_PPE_TB_CFG_X_MODE_MASK		(3 << 18)
+#define   MTK_PPE_TB_CFG_HASH_MODE1		BIT(14)
+#define   MTK_PPE_TB_CFG_HASH_MODE_MASK		(0x3 << 14)
+#define   MTK_PPE_TB_CFG_KA			(3 << 12)
+#define   MTK_PPE_TB_CFG_KA_MASK		(0x3 << 12)
+#define   MTK_PPE_TB_CFG_FIN_AGE		BIT(11)
+#define   MTK_PPE_TB_CFG_UDP_AGE		BIT(10)
+#define   MTK_PPE_TB_CFG_TCP_AGE		BIT(9)
+#define   MTK_PPE_TB_CFG_UNBD_AGE		BIT(8)
+#define   MTK_PPE_TB_CFG_NTU_AGE		BIT(7)
+#define   MTK_PPE_TB_CFG_SMA_FWD_CPU		(0x3 << 4)
+#define   MTK_PPE_TB_CFG_SMA_MASK		(0x3 << 4)
+#define   MTK_PPE_TB_CFG_ENTRY_SZ_64B		0
+#define   MTK_PPE_TB_CFG_ENTRY_SZ_MASK		BIT(3)
+#define   MTK_PPE_TB_CFG_TBL_SZ_4K		2
+#define   MTK_PPE_TB_CFG_TBL_SZ_MASK		0x7
+
+#define MTK_REG_PPE_HASH_SEED			0xe44
+#define   MTK_PPE_HASH_SEED			0x12345678
+
+
+#define MTK_REG_PPE_CAH_CTRL			0xf20
+#define   MTK_PPE_CAH_CTRL_X_MODE		BIT(9)
+#define   MTK_PPE_CAH_CTRL_EN			BIT(0)
+
+struct mtk_foe_unbind_info_blk {
+	u32 time_stamp:8;
+	u32 pcnt:16;		/* packet count */
+	u32 preb:1;
+	u32 pkt_type:3;
+	u32 state:2;
+	u32 udp:1;
+	u32 sta:1;		/* static entry */
+} __attribute__ ((packed));
+
+struct mtk_foe_bind_info_blk {
+	u32 time_stamp:15;
+	u32 ka:1;		/* keep alive */
+	u32 vlan_layer:3;
+	u32 psn:1;		/* egress packet has PPPoE session */
+#ifdef CONFIG_RALINK
+	u32 vpm:2;		/* 0:ethertype remark, 1:0x8100(CR default) */
+#else
+	u32 vpm:1;		/* 0:ethertype remark, 1:0x8100(CR default) */
+	u32 ps:1;		/* packet sampling */
+#endif
+	u32 cah:1;		/* cacheable flag */
+	u32 rmt:1;		/* remove tunnel ip header (6rd/dslite only) */
+	u32 ttl:1;
+	u32 pkt_type:3;
+	u32 state:2;
+	u32 udp:1;
+	u32 sta:1;		/* static entry */
+} __attribute__ ((packed));
+
+struct mtk_foe_info_blk2 {
+	u32 qid:4;		/* QID in Qos Port */
+	u32 fqos:1;		/* force to PSE QoS port */
+	u32 dp:3;		/* force to PSE port x 
+				 0:PSE,1:GSW, 2:GMAC,4:PPE,5:QDMA,7=DROP */
+	u32 mcast:1;		/* multicast this packet to CPU */
+	u32 pcpl:1;		/* OSBN */
+	u32 mlen:1;		/* 0:post 1:pre packet length in meter */
+	u32 alen:1;		/* 0:post 1:pre packet length in accounting */
+	u32 port_mg:6;		/* port meter group */
+	u32 port_ag:6;		/* port account group */
+	u32 dscp:8;		/* DSCP value */
+} __attribute__ ((packed));
+
+struct mtk_foe_ipv4_hnapt {
+	union {
+		struct mtk_foe_bind_info_blk bfib1;
+		struct mtk_foe_unbind_info_blk udib1;
+		u32 info_blk1;
+	};
+	u32 sip;
+	u32 dip;
+	u16 dport;
+	u16 sport;
+	union {
+		struct mtk_foe_info_blk2 iblk2;
+		u32 info_blk2;
+	};
+	u32 new_sip;
+	u32 new_dip;
+	u16 new_dport;
+	u16 new_sport;
+	u32 resv1;
+	u32 resv2;
+	u32 resv3:26;
+	u32 act_dp:6;		/* UDF */
+	u16 vlan1;
+	u16 etype;
+	u32 dmac_hi;
+	u16 vlan2;
+	u16 dmac_lo;
+	u32 smac_hi;
+	u16 pppoe_id;
+	u16 smac_lo;
+} __attribute__ ((packed));
+
+struct mtk_foe_entry {
+	union {
+		struct mtk_foe_unbind_info_blk udib1;
+		struct mtk_foe_bind_info_blk bfib1;
+		struct mtk_foe_ipv4_hnapt ipv4_hnapt;
+	};
+};
+
+enum mtk_foe_entry_state {
+	FOE_STATE_INVALID = 0,
+	FOE_STATE_UNBIND = 1,
+	FOE_STATE_BIND = 2,
+	FOE_STATE_FIN = 3
+};
+
+
+#define MTK_RXD4_FOE_ENTRY		GENMASK(13, 0)
+#define MTK_RXD4_CPU_REASON		GENMASK(18, 14)
+#define MTK_RXD4_SRC_PORT		GENMASK(21, 19)
+#define MTK_RXD4_ALG			GENMASK(31, 22)
+
+enum mtk_foe_cpu_reason {
+	MTK_CPU_REASON_TTL_EXCEEDED		= 0x02,
+	MTK_CPU_REASON_OPTION_HEADER		= 0x03,
+	MTK_CPU_REASON_NO_FLOW			= 0x07,
+	MTK_CPU_REASON_IPV4_FRAG		= 0x08,
+	MTK_CPU_REASON_IPV4_DSLITE_FRAG		= 0x09,
+	MTK_CPU_REASON_IPV4_DSLITE_NO_TCP_UDP	= 0x0a,
+	MTK_CPU_REASON_IPV6_6RD_NO_TCP_UDP	= 0x0b,
+	MTK_CPU_REASON_TCP_FIN_SYN_RST		= 0x0c,
+	MTK_CPU_REASON_UN_HIT			= 0x0d,
+	MTK_CPU_REASON_HIT_UNBIND		= 0x0e,
+	MTK_CPU_REASON_HIT_UNBIND_RATE_REACHED	= 0x0f,
+	MTK_CPU_REASON_HIT_BIND_TCP_FIN		= 0x10,
+	MTK_CPU_REASON_HIT_TTL_1		= 0x11,
+	MTK_CPU_REASON_HIT_BIND_VLAN_VIOLATION	= 0x12,
+	MTK_CPU_REASON_KEEPALIVE_UC_OLD_HDR	= 0x13,
+	MTK_CPU_REASON_KEEPALIVE_MC_NEW_HDR	= 0x14,
+	MTK_CPU_REASON_KEEPALIVE_DUP_OLD_HDR	= 0x15,
+	MTK_CPU_REASON_HIT_BIND_FORCE_CPU	= 0x16,
+	MTK_CPU_REASON_TUNNEL_OPTION_HEADER	= 0x17,
+	MTK_CPU_REASON_MULTICAST_TO_CPU		= 0x18,
+	MTK_CPU_REASON_MULTICAST_TO_GMAC1_CPU	= 0x19,
+	MTK_CPU_REASON_HIT_PRE_BIND		= 0x1a,
+	MTK_CPU_REASON_PACKET_SAMPLING		= 0x1b,
+	MTK_CPU_REASON_EXCEED_MTU		= 0x1c,
+	MTK_CPU_REASON_PPE_BYPASS		= 0x1e,
+	MTK_CPU_REASON_INVALID			= 0x1f,
+};
+
+
+/* our table size is 4K */
+#define MTK_PPE_ENTRY_CNT		0x1000
+#define MTK_PPE_TBL_SZ			\
+			(MTK_PPE_ENTRY_CNT * sizeof(struct mtk_foe_entry))
+
+int mtk_ppe_debugfs_init(struct mtk_eth *eth);
+
+
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c
new file mode 100644
index 0000000000..c4684d02d6
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c
@@ -0,0 +1,373 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/if_vlan.h>
+#include <linux/of_net.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include <mt7620.h>
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+#include "mt7530.h"
+#include "mdio.h"
+
+#define MT7620A_CDMA_CSG_CFG	0x400
+#define MT7620_DMA_VID		(MT7620A_CDMA_CSG_CFG | 0x30)
+#define MT7621_CDMP_IG_CTRL	(MT7620A_CDMA_CSG_CFG + 0x00)
+#define MT7621_CDMP_EG_CTRL	(MT7620A_CDMA_CSG_CFG + 0x04)
+#define MT7620A_RESET_FE	BIT(21)
+#define MT7621_RESET_FE		BIT(6)
+#define MT7620A_RESET_ESW	BIT(23)
+#define MT7620_L4_VALID		BIT(23)
+#define MT7621_L4_VALID		BIT(24)
+
+#define MT7620_TX_DMA_UDF	BIT(15)
+#define MT7621_TX_DMA_UDF	BIT(19)
+#define TX_DMA_FP_BMAP		((0xff) << 19)
+
+#define CDMA_ICS_EN		BIT(2)
+#define CDMA_UCS_EN		BIT(1)
+#define CDMA_TCS_EN		BIT(0)
+
+#define GDMA_ICS_EN		BIT(22)
+#define GDMA_TCS_EN		BIT(21)
+#define GDMA_UCS_EN		BIT(20)
+
+/* frame engine counters */
+#define MT7620_REG_MIB_OFFSET	0x1000
+#define MT7620_PPE_AC_BCNT0	(MT7620_REG_MIB_OFFSET + 0x00)
+#define MT7620_GDM1_TX_GBCNT	(MT7620_REG_MIB_OFFSET + 0x300)
+#define MT7620_GDM2_TX_GBCNT	(MT7620_GDM1_TX_GBCNT + 0x40)
+
+#define MT7621_REG_MIB_OFFSET	0x2000
+#define MT7621_PPE_AC_BCNT0	(MT7621_REG_MIB_OFFSET + 0x00)
+#define MT7621_GDM1_TX_GBCNT	(MT7621_REG_MIB_OFFSET + 0x400)
+#define MT7621_GDM2_TX_GBCNT	(MT7621_GDM1_TX_GBCNT + 0x40)
+
+#define GSW_REG_GDMA1_MAC_ADRL	0x508
+#define GSW_REG_GDMA1_MAC_ADRH	0x50C
+
+#define MT7621_FE_RST_GL	(FE_FE_OFFSET + 0x04)
+#define MT7620_FE_INT_STATUS2	(FE_FE_OFFSET + 0x08)
+
+/* FE_INT_STATUS reg on mt7620 define CNT_GDM1_AF at BIT(29)
+ * but after test it should be BIT(13).
+ */
+#define MT7620_FE_GDM1_AF	BIT(13)
+#define MT7621_FE_GDM1_AF	BIT(28)
+#define MT7621_FE_GDM2_AF	BIT(29)
+
+static const u16 mt7620_reg_table[FE_REG_COUNT] = {
+	[FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
+	[FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
+	[FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
+	[FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
+	[FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
+	[FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
+	[FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
+	[FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
+	[FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
+	[FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
+	[FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
+	[FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
+	[FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
+	[FE_REG_FE_DMA_VID_BASE] = MT7620_DMA_VID,
+	[FE_REG_FE_COUNTER_BASE] = MT7620_GDM1_TX_GBCNT,
+	[FE_REG_FE_RST_GL] = MT7621_FE_RST_GL,
+	[FE_REG_FE_INT_STATUS2] = MT7620_FE_INT_STATUS2,
+};
+
+static int mt7620_gsw_config(struct fe_priv *priv)
+{
+	struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
+
+	/* is the mt7530 internal or external */
+	if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, 0x1f)) {
+		mt7530_probe(priv->dev, gsw->base, NULL, 0);
+		mt7530_probe(priv->dev, NULL, priv->mii_bus, 1);
+	} else {
+		mt7530_probe(priv->dev, gsw->base, NULL, 1);
+	}
+
+	return 0;
+}
+
+static void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac)
+{
+	struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->page_lock, flags);
+	mtk_switch_w32(gsw, (mac[0] << 8) | mac[1], GSW_REG_SMACCR1);
+	mtk_switch_w32(gsw, (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+		GSW_REG_SMACCR0);
+	spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static void mt7620_auto_poll(struct mt7620_gsw *gsw, int port)
+{
+	int phy;
+	int lsb = -1, msb = 0;
+
+	for_each_set_bit(phy, &gsw->autopoll, 32) {
+		if (lsb < 0)
+			lsb = phy;
+		msb = phy;
+	}
+
+	if (lsb == msb && port ==  4)
+		msb++;
+	else if (lsb == msb && port ==  5)
+		lsb--;
+
+	mtk_switch_w32(gsw, PHY_AN_EN | PHY_PRE_EN | PMY_MDC_CONF(5) |
+		(msb << 8) | lsb, ESW_PHY_POLLING);
+}
+
+static void mt7620_port_init(struct fe_priv *priv, struct device_node *np)
+{
+	struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+	const __be32 *_id = of_get_property(np, "reg", NULL);
+	const __be32 *phy_addr;
+	int phy_mode, size, id;
+	int shift = 12;
+	u32 val, mask = 0;
+	u32 val_delay = 0;
+	u32 mask_delay = GSW_REG_GPCx_TXDELAY | GSW_REG_GPCx_RXDELAY;
+	int min = (gsw->port4 == PORT4_EPHY) ? (5) : (4);
+
+	if (!_id || (be32_to_cpu(*_id) < min) || (be32_to_cpu(*_id) > 5)) {
+		if (_id)
+			pr_err("%s: invalid port id %d\n", np->name,
+			       be32_to_cpu(*_id));
+		else
+			pr_err("%s: invalid port id\n", np->name);
+		return;
+	}
+
+	id = be32_to_cpu(*_id);
+
+	if (id == 4)
+		shift = 14;
+
+	priv->phy->phy_fixed[id] = of_get_property(np, "mediatek,fixed-link",
+						   &size);
+	if (priv->phy->phy_fixed[id] &&
+	    (size != (4 * sizeof(*priv->phy->phy_fixed[id])))) {
+		pr_err("%s: invalid fixed link property\n", np->name);
+		priv->phy->phy_fixed[id] = NULL;
+		return;
+	}
+
+	phy_mode = of_get_phy_mode(np);
+	switch (phy_mode) {
+	case PHY_INTERFACE_MODE_RGMII:
+		mask = 0;
+		/* Do not touch rx/tx delay in this state to avoid problems with
+		 * backward compability.
+		 */
+		mask_delay = 0;
+		break;
+	case PHY_INTERFACE_MODE_RGMII_ID:
+		mask = 0;
+		val_delay |= GSW_REG_GPCx_TXDELAY;
+		val_delay &= ~GSW_REG_GPCx_RXDELAY;
+		break;
+	case PHY_INTERFACE_MODE_RGMII_RXID:
+		mask = 0;
+		val_delay &= ~GSW_REG_GPCx_TXDELAY;
+		val_delay &= ~GSW_REG_GPCx_RXDELAY;
+		break;
+	case PHY_INTERFACE_MODE_RGMII_TXID:
+		mask = 0;
+		val_delay &= ~GSW_REG_GPCx_TXDELAY;
+		val_delay |= GSW_REG_GPCx_RXDELAY;
+		break;
+	case PHY_INTERFACE_MODE_MII:
+		mask = 1;
+		break;
+	case PHY_INTERFACE_MODE_RMII:
+		mask = 2;
+		break;
+	default:
+		dev_err(priv->dev, "port %d - invalid phy mode\n", id);
+		return;
+	}
+
+	priv->phy->phy_node[id] = of_parse_phandle(np, "phy-handle", 0);
+	if (!priv->phy->phy_node[id] && !priv->phy->phy_fixed[id])
+		return;
+
+	val = rt_sysc_r32(SYSC_REG_CFG1);
+	val &= ~(3 << shift);
+	val |= mask << shift;
+	rt_sysc_w32(val, SYSC_REG_CFG1);
+
+	if (id == 4) {
+		val = mtk_switch_r32(gsw, GSW_REG_GPC2);
+		val &= ~(mask_delay);
+		val |= val_delay & mask_delay;
+		mtk_switch_w32(gsw, val, GSW_REG_GPC2);
+	}
+	else if (id == 5) {
+		val = mtk_switch_r32(gsw, GSW_REG_GPC1);
+		val &= ~(mask_delay);
+		val |= val_delay & mask_delay;
+		mtk_switch_w32(gsw, val, GSW_REG_GPC1);
+	}
+
+	if (priv->phy->phy_fixed[id]) {
+		const __be32 *link = priv->phy->phy_fixed[id];
+		int tx_fc, rx_fc;
+		u32 val = 0;
+
+		priv->phy->speed[id] = be32_to_cpup(link++);
+		tx_fc = be32_to_cpup(link++);
+		rx_fc = be32_to_cpup(link++);
+		priv->phy->duplex[id] = be32_to_cpup(link++);
+		priv->link[id] = 1;
+
+		switch (priv->phy->speed[id]) {
+		case SPEED_10:
+			val = 0;
+			break;
+		case SPEED_100:
+			val = 1;
+			break;
+		case SPEED_1000:
+			val = 2;
+			break;
+		default:
+			dev_err(priv->dev, "invalid link speed: %d\n",
+				priv->phy->speed[id]);
+			priv->phy->phy_fixed[id] = 0;
+			return;
+		}
+		val = PMCR_SPEED(val);
+		val |= PMCR_LINK | PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
+			PMCR_TX_EN | PMCR_FORCE | PMCR_MAC_MODE | PMCR_IPG;
+		if (tx_fc)
+			val |= PMCR_TX_FC;
+		if (rx_fc)
+			val |= PMCR_RX_FC;
+		if (priv->phy->duplex[id])
+			val |= PMCR_DUPLEX;
+		mtk_switch_w32(gsw, val, GSW_REG_PORT_PMCR(id));
+		dev_info(priv->dev, "using fixed link parameters\n");
+		return;
+	}
+
+	phy_addr = of_get_property(priv->phy->phy_node[id], "reg", NULL);
+	if (phy_addr && mdiobus_get_phy(priv->mii_bus, be32_to_cpup(phy_addr))) {
+		u32 val = PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
+			PMCR_TX_EN |  PMCR_MAC_MODE | PMCR_IPG;
+
+		mtk_switch_w32(gsw, val, GSW_REG_PORT_PMCR(id));
+		fe_connect_phy_node(priv, priv->phy->phy_node[id], id);
+		gsw->autopoll |= BIT(be32_to_cpup(phy_addr));
+		mt7620_auto_poll(gsw,id);
+		return;
+	}
+}
+
+static void mt7620_fe_reset(void)
+{
+	fe_reset(MT7620A_RESET_FE | MT7620A_RESET_ESW);
+}
+
+static void mt7620_rxcsum_config(bool enable)
+{
+	if (enable)
+		fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN |
+					GDMA_TCS_EN | GDMA_UCS_EN),
+				MT7620A_GDMA1_FWD_CFG);
+	else
+		fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~(GDMA_ICS_EN |
+					GDMA_TCS_EN | GDMA_UCS_EN),
+				MT7620A_GDMA1_FWD_CFG);
+}
+
+static void mt7620_txcsum_config(bool enable)
+{
+	if (enable)
+		fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) | (CDMA_ICS_EN |
+					CDMA_UCS_EN | CDMA_TCS_EN),
+				MT7620A_CDMA_CSG_CFG);
+	else
+		fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) & ~(CDMA_ICS_EN |
+					CDMA_UCS_EN | CDMA_TCS_EN),
+				MT7620A_CDMA_CSG_CFG);
+}
+
+static int mt7620_fwd_config(struct fe_priv *priv)
+{
+	struct net_device *dev = priv_netdev(priv);
+
+	fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~7, MT7620A_GDMA1_FWD_CFG);
+
+	mt7620_txcsum_config((dev->features & NETIF_F_IP_CSUM));
+	mt7620_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+
+	return 0;
+}
+
+static void mt7620_tx_dma(struct fe_tx_dma *txd)
+{
+}
+
+static void mt7620_init_data(struct fe_soc_data *data,
+			     struct net_device *netdev)
+{
+	struct fe_priv *priv = netdev_priv(netdev);
+
+	priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET |
+		FE_FLAG_RX_SG_DMA | FE_FLAG_HAS_SWITCH;
+
+	netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
+		NETIF_F_HW_VLAN_CTAG_TX;
+	if (mt7620_get_eco() >= 5)
+		netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 |
+			NETIF_F_IPV6_CSUM;
+}
+
+static struct fe_soc_data mt7620_data = {
+	.init_data = mt7620_init_data,
+	.reset_fe = mt7620_fe_reset,
+	.set_mac = mt7620_set_mac,
+	.fwd_config = mt7620_fwd_config,
+	.tx_dma = mt7620_tx_dma,
+	.switch_init = mtk_gsw_init,
+	.switch_config = mt7620_gsw_config,
+	.port_init = mt7620_port_init,
+	.reg_table = mt7620_reg_table,
+	.pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS,
+	.rx_int = RT5350_RX_DONE_INT,
+	.tx_int = RT5350_TX_DONE_INT,
+	.status_int = MT7620_FE_GDM1_AF,
+	.checksum_bit = MT7620_L4_VALID,
+	.has_carrier = mt7620_has_carrier,
+	.mdio_read = mt7620_mdio_read,
+	.mdio_write = mt7620_mdio_write,
+	.mdio_adjust_link = mt7620_mdio_link_adjust,
+};
+
+const struct of_device_id of_fe_match[] = {
+	{ .compatible = "mediatek,mt7620-eth", .data = &mt7620_data },
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7621.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7621.c
new file mode 100644
index 0000000000..26a198fa2b
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7621.c
@@ -0,0 +1,187 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/if_vlan.h>
+#include <linux/of_net.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+#include "mt7530.h"
+#include "mdio.h"
+
+#define MT7620A_CDMA_CSG_CFG	0x400
+#define MT7621_CDMP_IG_CTRL	(MT7620A_CDMA_CSG_CFG + 0x00)
+#define MT7621_CDMP_EG_CTRL	(MT7620A_CDMA_CSG_CFG + 0x04)
+#define MT7621_RESET_FE		BIT(6)
+#define MT7621_L4_VALID		BIT(24)
+
+#define MT7621_TX_DMA_UDF	BIT(19)
+#define MT7621_TX_DMA_FPORT	BIT(25)
+
+#define CDMA_ICS_EN		BIT(2)
+#define CDMA_UCS_EN		BIT(1)
+#define CDMA_TCS_EN		BIT(0)
+
+#define GDMA_ICS_EN		BIT(22)
+#define GDMA_TCS_EN		BIT(21)
+#define GDMA_UCS_EN		BIT(20)
+
+/* frame engine counters */
+#define MT7621_REG_MIB_OFFSET	0x2000
+#define MT7621_PPE_AC_BCNT0	(MT7621_REG_MIB_OFFSET + 0x00)
+#define MT7621_GDM1_TX_GBCNT	(MT7621_REG_MIB_OFFSET + 0x400)
+#define MT7621_GDM2_TX_GBCNT	(MT7621_GDM1_TX_GBCNT + 0x40)
+
+#define GSW_REG_GDMA1_MAC_ADRL	0x508
+#define GSW_REG_GDMA1_MAC_ADRH	0x50C
+
+#define MT7621_FE_RST_GL	(FE_FE_OFFSET + 0x04)
+#define MT7620_FE_INT_STATUS2	(FE_FE_OFFSET + 0x08)
+
+/* FE_INT_STATUS reg on mt7620 define CNT_GDM1_AF at BIT(29)
+ * but after test it should be BIT(13).
+ */
+#define MT7620_FE_GDM1_AF	BIT(13)
+#define MT7621_FE_GDM1_AF	BIT(28)
+#define MT7621_FE_GDM2_AF	BIT(29)
+
+static const u16 mt7621_reg_table[FE_REG_COUNT] = {
+	[FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
+	[FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
+	[FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
+	[FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
+	[FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
+	[FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
+	[FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
+	[FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
+	[FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
+	[FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
+	[FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
+	[FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
+	[FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
+	[FE_REG_FE_DMA_VID_BASE] = 0,
+	[FE_REG_FE_COUNTER_BASE] = MT7621_GDM1_TX_GBCNT,
+	[FE_REG_FE_RST_GL] = MT7621_FE_RST_GL,
+	[FE_REG_FE_INT_STATUS2] = MT7620_FE_INT_STATUS2,
+};
+
+static int mt7621_gsw_config(struct fe_priv *priv)
+{
+	if (priv->mii_bus &&  mdiobus_get_phy(priv->mii_bus, 0x1f))
+		mt7530_probe(priv->dev, NULL, priv->mii_bus, 1);
+
+	return 0;
+}
+
+static void mt7621_fe_reset(void)
+{
+	fe_reset(MT7621_RESET_FE);
+}
+
+static void mt7621_rxcsum_config(bool enable)
+{
+	if (enable)
+		fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN |
+					GDMA_TCS_EN | GDMA_UCS_EN),
+				MT7620A_GDMA1_FWD_CFG);
+	else
+		fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~(GDMA_ICS_EN |
+					GDMA_TCS_EN | GDMA_UCS_EN),
+				MT7620A_GDMA1_FWD_CFG);
+}
+
+static void mt7621_rxvlan_config(bool enable)
+{
+	if (enable)
+		fe_w32(1, MT7621_CDMP_EG_CTRL);
+	else
+		fe_w32(0, MT7621_CDMP_EG_CTRL);
+}
+
+static int mt7621_fwd_config(struct fe_priv *priv)
+{
+	struct net_device *dev = priv_netdev(priv);
+
+	fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~0xffff,
+	       MT7620A_GDMA1_FWD_CFG);
+
+	/* mt7621 doesn't have txcsum config */
+	mt7621_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+	mt7621_rxvlan_config(dev->features & NETIF_F_HW_VLAN_CTAG_RX);
+
+	return 0;
+}
+
+static void mt7621_tx_dma(struct fe_tx_dma *txd)
+{
+	txd->txd4 = MT7621_TX_DMA_FPORT;
+}
+
+static void mt7621_init_data(struct fe_soc_data *data,
+			     struct net_device *netdev)
+{
+	struct fe_priv *priv = netdev_priv(netdev);
+
+	priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET |
+		FE_FLAG_RX_SG_DMA | FE_FLAG_NAPI_WEIGHT |
+		FE_FLAG_HAS_SWITCH | FE_FLAG_JUMBO_FRAME;
+
+	netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
+		NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
+		NETIF_F_SG | NETIF_F_TSO |
+		NETIF_F_TSO6 | NETIF_F_IPV6_CSUM |
+		NETIF_F_TSO_MANGLEID;
+}
+
+static void mt7621_set_mac(struct fe_priv *priv, unsigned char *mac)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->page_lock, flags);
+	fe_w32((mac[0] << 8) | mac[1], GSW_REG_GDMA1_MAC_ADRH);
+	fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+	       GSW_REG_GDMA1_MAC_ADRL);
+	spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static struct fe_soc_data mt7621_data = {
+	.init_data = mt7621_init_data,
+	.reset_fe = mt7621_fe_reset,
+	.set_mac = mt7621_set_mac,
+	.fwd_config = mt7621_fwd_config,
+	.tx_dma = mt7621_tx_dma,
+	.switch_init = mtk_gsw_init,
+	.switch_config = mt7621_gsw_config,
+	.reg_table = mt7621_reg_table,
+	.pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS,
+	.rx_int = RT5350_RX_DONE_INT,
+	.tx_int = RT5350_TX_DONE_INT,
+	.status_int = (MT7621_FE_GDM1_AF | MT7621_FE_GDM2_AF),
+	.checksum_bit = MT7621_L4_VALID,
+	.has_carrier = mt7620_has_carrier,
+	.mdio_read = mt7620_mdio_read,
+	.mdio_write = mt7620_mdio_write,
+	.mdio_adjust_link = mt7620_mdio_link_adjust,
+};
+
+const struct of_device_id of_fe_match[] = {
+	{ .compatible = "mediatek,mt7621-eth", .data = &mt7621_data },
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c
new file mode 100644
index 0000000000..6c89c997d9
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c
@@ -0,0 +1,76 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio_rt2880.h"
+
+#define RT2880_RESET_FE			BIT(18)
+
+static void rt2880_init_data(struct fe_soc_data *data,
+			     struct net_device *netdev)
+{
+	struct fe_priv *priv = netdev_priv(netdev);
+
+	priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
+		FE_FLAG_JUMBO_FRAME | FE_FLAG_CALIBRATE_CLK;
+	netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_TX;
+	/* this should work according to the datasheet but actually does not*/
+	/* netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; */
+}
+
+void rt2880_fe_reset(void)
+{
+	fe_reset(RT2880_RESET_FE);
+}
+
+static int rt2880_fwd_config(struct fe_priv *priv)
+{
+	int ret;
+
+	ret = fe_set_clock_cycle(priv);
+	if (ret)
+		return ret;
+
+	fe_fwd_config(priv);
+	fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG);
+	fe_csum_config(priv);
+
+	return ret;
+}
+
+struct fe_soc_data rt2880_data = {
+	.init_data = rt2880_init_data,
+	.reset_fe = rt2880_fe_reset,
+	.fwd_config = rt2880_fwd_config,
+	.pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+	.checksum_bit = RX_DMA_L4VALID,
+	.rx_int = FE_RX_DONE_INT,
+	.tx_int = FE_TX_DONE_INT,
+	.status_int = FE_CNT_GDM_AF,
+	.mdio_read = rt2880_mdio_read,
+	.mdio_write = rt2880_mdio_write,
+	.mdio_adjust_link = rt2880_mdio_link_adjust,
+	.port_init = rt2880_port_init,
+};
+
+const struct of_device_id of_fe_match[] = {
+	{ .compatible = "ralink,rt2880-eth", .data = &rt2880_data },
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3050.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3050.c
new file mode 100644
index 0000000000..914b81410e
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3050.c
@@ -0,0 +1,158 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio_rt2880.h"
+
+#define RT305X_RESET_FE         BIT(21)
+#define RT305X_RESET_ESW        BIT(23)
+
+static const u16 rt5350_reg_table[FE_REG_COUNT] = {
+	[FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
+	[FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
+	[FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
+	[FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
+	[FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
+	[FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
+	[FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
+	[FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
+	[FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
+	[FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
+	[FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
+	[FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
+	[FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
+	[FE_REG_FE_RST_GL] = 0,
+	[FE_REG_FE_DMA_VID_BASE] = 0,
+};
+
+static void rt305x_init_data(struct fe_soc_data *data,
+			     struct net_device *netdev)
+{
+	struct fe_priv *priv = netdev_priv(netdev);
+
+	priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
+		FE_FLAG_CALIBRATE_CLK | FE_FLAG_HAS_SWITCH;
+	netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
+		NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX;
+}
+
+static int rt3050_fwd_config(struct fe_priv *priv)
+{
+	int ret;
+
+	if (ralink_soc != RT305X_SOC_RT3052) {
+		ret = fe_set_clock_cycle(priv);
+		if (ret)
+			return ret;
+	}
+
+	fe_fwd_config(priv);
+	if (ralink_soc != RT305X_SOC_RT3352)
+		fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG);
+	fe_csum_config(priv);
+
+	return 0;
+}
+
+static void rt305x_fe_reset(void)
+{
+	fe_reset(RT305X_RESET_FE);
+}
+
+static void rt5350_init_data(struct fe_soc_data *data,
+			     struct net_device *netdev)
+{
+	struct fe_priv *priv = netdev_priv(netdev);
+
+	priv->flags = FE_FLAG_HAS_SWITCH;
+	netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM;
+}
+
+static void rt5350_set_mac(struct fe_priv *priv, unsigned char *mac)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->page_lock, flags);
+	fe_w32((mac[0] << 8) | mac[1], RT5350_SDM_MAC_ADRH);
+	fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+	       RT5350_SDM_MAC_ADRL);
+	spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static void rt5350_rxcsum_config(bool enable)
+{
+	if (enable)
+		fe_w32(fe_r32(RT5350_SDM_CFG) | (RT5350_SDM_ICS_EN |
+				RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN),
+				RT5350_SDM_CFG);
+	else
+		fe_w32(fe_r32(RT5350_SDM_CFG) & ~(RT5350_SDM_ICS_EN |
+				RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN),
+				RT5350_SDM_CFG);
+}
+
+static int rt5350_fwd_config(struct fe_priv *priv)
+{
+	struct net_device *dev = priv_netdev(priv);
+
+	rt5350_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+
+	return 0;
+}
+
+static void rt5350_tx_dma(struct fe_tx_dma *txd)
+{
+	txd->txd4 = 0;
+}
+
+static void rt5350_fe_reset(void)
+{
+	fe_reset(RT305X_RESET_FE | RT305X_RESET_ESW);
+}
+
+static struct fe_soc_data rt3050_data = {
+	.init_data = rt305x_init_data,
+	.reset_fe = rt305x_fe_reset,
+	.fwd_config = rt3050_fwd_config,
+	.pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+	.checksum_bit = RX_DMA_L4VALID,
+	.rx_int = FE_RX_DONE_INT,
+	.tx_int = FE_TX_DONE_INT,
+	.status_int = FE_CNT_GDM_AF,
+};
+
+static struct fe_soc_data rt5350_data = {
+	.init_data = rt5350_init_data,
+	.reg_table = rt5350_reg_table,
+	.reset_fe = rt5350_fe_reset,
+	.set_mac = rt5350_set_mac,
+	.fwd_config = rt5350_fwd_config,
+	.tx_dma = rt5350_tx_dma,
+	.pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+	.checksum_bit = RX_DMA_L4VALID,
+	.rx_int = RT5350_RX_DONE_INT,
+	.tx_int = RT5350_TX_DONE_INT,
+};
+
+const struct of_device_id of_fe_match[] = {
+	{ .compatible = "ralink,rt3050-eth", .data = &rt3050_data },
+	{ .compatible = "ralink,rt5350-eth", .data = &rt5350_data },
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c
new file mode 100644
index 0000000000..4935b7fbd4
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c
@@ -0,0 +1,75 @@
+/*   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio_rt2880.h"
+
+#define RT3883_RSTCTRL_FE		BIT(21)
+
+static void rt3883_fe_reset(void)
+{
+	fe_reset(RT3883_RSTCTRL_FE);
+}
+
+static int rt3883_fwd_config(struct fe_priv *priv)
+{
+	int ret;
+
+	ret = fe_set_clock_cycle(priv);
+	if (ret)
+		return ret;
+
+	fe_fwd_config(priv);
+	fe_w32(FE_PSE_FQFC_CFG_256Q, FE_PSE_FQ_CFG);
+	fe_csum_config(priv);
+
+	return ret;
+}
+
+static void rt3883_init_data(struct fe_soc_data *data,
+			     struct net_device *netdev)
+{
+	struct fe_priv *priv = netdev_priv(netdev);
+
+	priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
+		FE_FLAG_JUMBO_FRAME | FE_FLAG_CALIBRATE_CLK;
+	netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
+		NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX;
+}
+
+static struct fe_soc_data rt3883_data = {
+	.init_data = rt3883_init_data,
+	.reset_fe = rt3883_fe_reset,
+	.fwd_config = rt3883_fwd_config,
+	.pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+	.rx_int = FE_RX_DONE_INT,
+	.tx_int = FE_TX_DONE_INT,
+	.status_int = FE_CNT_GDM_AF,
+	.checksum_bit = RX_DMA_L4VALID,
+	.mdio_read = rt2880_mdio_read,
+	.mdio_write = rt2880_mdio_write,
+	.mdio_adjust_link = rt2880_mdio_link_adjust,
+	.port_init = rt2880_port_init,
+};
+
+const struct of_device_id of_fe_match[] = {
+	{ .compatible = "ralink,rt3883-eth", .data = &rt3883_data },
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);