diff --git a/target/linux/ar71xx/base-files/etc/defconfig/rb-750/network b/target/linux/ar71xx/base-files/etc/defconfig/rb-750/network
index 113d9f3eea..de201bf5ec 100644
--- a/target/linux/ar71xx/base-files/etc/defconfig/rb-750/network
+++ b/target/linux/ar71xx/base-files/etc/defconfig/rb-750/network
@@ -4,12 +4,8 @@ config interface loopback
 	option ipaddr	127.0.0.1
 	option netmask	255.0.0.0
 
-config interface eth
-	option ifname	eth0
-	option proto	none
-
 config interface lan
-	option ifname	'port2 port3 port4 port5'
+	option ifname	eth0
 	option type	bridge
 	option proto	static
 	option ipaddr	192.168.1.1
@@ -18,3 +14,11 @@ config interface lan
 config interface wan
 	option ifname	eth1
 	option proto	dhcp
+
+config switch eth0
+	option enable_vlan	1
+
+config switch_vlan
+	option device	eth0
+	option vlan	1
+	option ports	"0 1 2 3 4"
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
index 6d52eba862..a0e1410206 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
@@ -30,7 +30,6 @@ config AR71XX_MACH_AP96
 
 config AR71XX_MACH_DIR_600_A1
 	bool "D-Link DIR-600 rev. A1 support"
-	select AR71XX_DEV_AP91_ETH
 	select AR71XX_DEV_AP91_PCI if PCI
 	select AR71XX_DEV_M25P80
 	select AR71XX_DEV_GPIO_BUTTONS
@@ -140,7 +139,6 @@ config AR71XX_MACH_RB4XX
 
 config AR71XX_MACH_RB750
 	bool "MikroTik RouterBOARD 750 support"
-	select AR71XX_DEV_AP91_ETH
 	default n
 
 config AR71XX_MACH_WNDR3700
@@ -281,10 +279,6 @@ config AR71XX_DEV_AP91_PCI
 	select AR71XX_PCI_ATH9K_FIXUP
 	def_bool n
 
-config AR71XX_DEV_AP91_ETH
-	select AR71XX_DEV_DSA
-	def_bool n
-
 config AR71XX_DEV_AP94_PCI
 	select AR71XX_PCI_ATH9K_FIXUP
 	def_bool n
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
index 991ae92023..f6ceb0a98f 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
@@ -13,7 +13,6 @@ obj-y	:= prom.o irq.o setup.o devices.o gpio.o ar71xx.o
 obj-$(CONFIG_EARLY_PRINTK)		+= early_printk.o
 obj-$(CONFIG_PCI)			+= pci.o
 
-obj-$(CONFIG_AR71XX_DEV_AP91_ETH)	+= dev-ap91-eth.o
 obj-$(CONFIG_AR71XX_DEV_AP91_PCI)	+= dev-ap91-pci.o
 obj-$(CONFIG_AR71XX_DEV_AP94_PCI)	+= dev-ap94-pci.o
 obj-$(CONFIG_AR71XX_DEV_AR913X_WMAC)	+= dev-ar913x-wmac.o
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap91-eth.c b/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap91-eth.c
deleted file mode 100644
index fbb813603f..0000000000
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap91-eth.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- *  Atheros AP91 reference board ethernet initialization
- *
- *  Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License version 2 as published
- *  by the Free Software Foundation.
- */
-
-#include "devices.h"
-#include "dev-dsa.h"
-#include "dev-ap91-eth.h"
-
-static struct dsa_chip_data ap91_dsa_chip = {
-	.port_names[0]  = "cpu",
-	.port_names[1]  = "lan1",
-	.port_names[2]  = "lan2",
-	.port_names[3]  = "lan3",
-	.port_names[4]  = "lan4",
-};
-
-static struct dsa_platform_data ap91_dsa_data = {
-	.nr_chips	= 1,
-	.chip		= &ap91_dsa_chip,
-};
-
-static void ap91_eth_set_port_name(unsigned port, const char *name)
-{
-	if (port < 1 || port > 5)
-		return;
-
-	if (name)
-		ap91_dsa_chip.port_names[port] = (char *) name;
-}
-
-void __init ap91_eth_init(const char *port_names[])
-{
-	if (port_names) {
-		int i;
-
-		for (i = 0; i < AP91_ETH_NUM_PORT_NAMES; i++)
-			ap91_eth_set_port_name(i + 1, port_names[i]);
-	}
-
-	/* WAN port */
-	ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
-	ar71xx_eth0_data.speed = SPEED_100;
-	ar71xx_eth0_data.duplex = DUPLEX_FULL;
-
-	/* LAN ports */
-	ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
-	ar71xx_eth1_data.speed = SPEED_1000;
-	ar71xx_eth1_data.duplex = DUPLEX_FULL;
-
-	ar71xx_add_device_mdio(0x0);
-	ar71xx_add_device_eth(1);
-	ar71xx_add_device_eth(0);
-
-	ar71xx_add_device_dsa(1, &ap91_dsa_data);
-}
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap91-eth.h b/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap91-eth.h
deleted file mode 100644
index 08b1dde6bb..0000000000
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap91-eth.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- *  Atheros AP91 reference board ethernet initialization
- *
- *  Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License version 2 as published
- *  by the Free Software Foundation.
- */
-
-#ifndef _AR71XX_DEV_AP91_ETH_H
-#define _AR71XX_DEV_AP91_ETH_H
-
-#define AP91_ETH_NUM_PORT_NAMES	4
-
-#if defined(CONFIG_AR71XX_DEV_AP91_ETH)
-void ap91_eth_init(const char *port_names[]) __init;
-#else
-static inline void ap91_eth_init(const char *port_names[]) { }
-#endif
-
-#endif /* _AR71XX_DEV_AP91_ETH_H */
-
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-dir-600-a1.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-dir-600-a1.c
index 5c36402e34..ffb4c0b84b 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-dir-600-a1.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-dir-600-a1.c
@@ -16,7 +16,6 @@
 #include "machtype.h"
 #include "devices.h"
 #include "dev-m25p80.h"
-#include "dev-ap91-eth.h"
 #include "dev-ap91-pci.h"
 #include "dev-gpio-buttons.h"
 #include "dev-leds-gpio.h"
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb750.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb750.c
index 9c8386b7ba..d60f45294d 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb750.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb750.c
@@ -14,7 +14,6 @@
 
 #include "machtype.h"
 #include "devices.h"
-#include "dev-ap91-eth.h"
 
 static struct rb750_led_data rb750_leds[] = {
 	{
@@ -56,13 +55,6 @@ static struct platform_device rb750_leds_device = {
 	}
 };
 
-static const char *rb750_port_names[AP91_ETH_NUM_PORT_NAMES] __initdata = {
-	"port5",
-	"port4",
-	"port3",
-	"port2",
-};
-
 static struct platform_device rb750_nand_device = {
 	.name	= "rb750-nand",
 	.id	= -1,
@@ -127,7 +119,21 @@ static void __init rb750_setup(void)
 
 	ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
 	ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
-	ap91_eth_init(rb750_port_names);
+
+	/* WAN port */
+	ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ar71xx_eth0_data.speed = SPEED_100;
+	ar71xx_eth0_data.duplex = DUPLEX_FULL;
+
+	/* LAN ports */
+	ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ar71xx_eth1_data.speed = SPEED_1000;
+	ar71xx_eth1_data.duplex = DUPLEX_FULL;
+	ar71xx_eth1_data.has_ar7240_switch = 1;
+
+	ar71xx_add_device_mdio(0x0);
+	ar71xx_add_device_eth(1);
+	ar71xx_add_device_eth(0);
 
 	platform_device_register(&rb750_leds_device);
 	platform_device_register(&rb750_nand_device);
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr741nd.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr741nd.c
index 834b462de4..b2cee220bb 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr741nd.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr741nd.c
@@ -16,7 +16,6 @@
 #include "machtype.h"
 #include "devices.h"
 #include "dev-m25p80.h"
-#include "dev-ap91-eth.h"
 #include "dev-ap91-pci.h"
 #include "dev-gpio-buttons.h"
 #include "dev-leds-gpio.h"