diff --git a/target/linux/ar71xx/base-files/etc/diag.sh b/target/linux/ar71xx/base-files/etc/diag.sh
index f30ad05223..a3d5075a28 100755
--- a/target/linux/ar71xx/base-files/etc/diag.sh
+++ b/target/linux/ar71xx/base-files/etc/diag.sh
@@ -57,6 +57,9 @@ get_status_led() {
 	dir-615-c1)
 		status_led="dir-615c1:green:status"
 		;;
+	dir-615-e4)
+		status_led="dir-615-e4:green:power"
+		;;
 	dir-825-b1)
 		status_led="dir825b1:orange:power"
 		;;
diff --git a/target/linux/ar71xx/base-files/etc/uci-defaults/leds b/target/linux/ar71xx/base-files/etc/uci-defaults/leds
index d9613930d4..c33510af46 100755
--- a/target/linux/ar71xx/base-files/etc/uci-defaults/leds
+++ b/target/linux/ar71xx/base-files/etc/uci-defaults/leds
@@ -118,6 +118,14 @@ rb750)
 	set_led_switch "port5" "port5" "rb750:green:port5" "switch0" "0x02"
 	;;
 
+dir-615-e4)
+	set_led_netdev "wan" "WAN" "dir-615-e4:green:wan" "eth1"
+	set_led_switch "lan1" "LAN1" "dir-615-e4:green:lan1" "switch0" "0x02"
+	set_led_switch "lan2" "LAN2" "dir-615-e4:green:lan2" "switch0" "0x04"
+	set_led_switch "lan3" "LAN3" "dir-615-e4:green:lan3" "switch0" "0x08"
+	set_led_switch "lan4" "LAN4" "dir-615-e4:green:lan4" "switch0" "0x10"
+	;;
+
 dir-825-b1)
 	set_led_usbdev "usb" "USB" "dir825b1:blue:usb" "1-1"
 	;;
diff --git a/target/linux/ar71xx/base-files/etc/uci-defaults/network b/target/linux/ar71xx/base-files/etc/uci-defaults/network
index ca99898183..613b2a0e87 100755
--- a/target/linux/ar71xx/base-files/etc/uci-defaults/network
+++ b/target/linux/ar71xx/base-files/etc/uci-defaults/network
@@ -137,6 +137,7 @@ ap96 |\
 airrouter |\
 dir-600-a1 |\
 dir-615-c1 |\
+dir-615-e4 |\
 ja76pf |\
 rb-750 |\
 tew-632brp |\
diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh
index 9f117225f1..82b53f1617 100755
--- a/target/linux/ar71xx/base-files/lib/ar71xx.sh
+++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh
@@ -166,6 +166,9 @@ ar71xx_board_detect() {
 	*"DIR-600 rev. A1")
 		name="dir-600-a1"
 		;;
+	*"DIR-615 rev. E4")
+		name="dir-615-e4"
+		;;
 	*"DIR-825 rev. B1")
 		name="dir-825-b1"
 		;;
diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
index 49df3c3966..3adfcd58b3 100755
--- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
@@ -97,6 +97,7 @@ platform_check_image() {
 	ap83 | \
 	dir-600-a1 | \
 	dir-615-c1 | \
+	dir-615-e4 | \
 	dir-825-b1 | \
 	mzk-w04nu | \
 	mzk-w300nh | \
diff --git a/target/linux/ar71xx/config-2.6.39 b/target/linux/ar71xx/config-2.6.39
index 4f51b1a2b9..b8a91b50f3 100644
--- a/target/linux/ar71xx/config-2.6.39
+++ b/target/linux/ar71xx/config-2.6.39
@@ -25,6 +25,7 @@ CONFIG_AR71XX_MACH_AW_NR580=y
 CONFIG_AR71XX_MACH_DB120=y
 CONFIG_AR71XX_MACH_DIR_600_A1=y
 CONFIG_AR71XX_MACH_DIR_615_C1=y
+CONFIG_AR71XX_MACH_DIR_615_E4=y
 CONFIG_AR71XX_MACH_DIR_825_B1=y
 CONFIG_AR71XX_MACH_EAP7660D=y
 CONFIG_AR71XX_MACH_HORNET_UB=y
diff --git a/target/linux/ar71xx/config-3.2 b/target/linux/ar71xx/config-3.2
index 50fe18fd95..c3bcc763ff 100644
--- a/target/linux/ar71xx/config-3.2
+++ b/target/linux/ar71xx/config-3.2
@@ -34,6 +34,7 @@ CONFIG_ATH79_MACH_AW_NR580=y
 CONFIG_ATH79_MACH_DB120=y
 CONFIG_ATH79_MACH_DIR_600_A1=y
 CONFIG_ATH79_MACH_DIR_615_C1=y
+CONFIG_ATH79_MACH_DIR_615_E4=y
 CONFIG_ATH79_MACH_DIR_825_B1=y
 CONFIG_ATH79_MACH_EAP7660D=y
 CONFIG_ATH79_MACH_HORNET_UB=y
diff --git a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/Kconfig b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/Kconfig
index 60db3ef415..14982b1953 100644
--- a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/Kconfig
+++ b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/Kconfig
@@ -104,6 +104,15 @@ config AR71XX_MACH_DIR_615_C1
 	select AR71XX_DEV_LEDS_GPIO
 	select AR71XX_NVRAM
 
+config AR71XX_MACH_DIR_615_E4
+	bool "D-Link DIR-615 rev. E4 support"
+	select SOC_AR724X
+	select AR71XX_DEV_AP91_PCI if PCI
+	select AR71XX_DEV_M25P80
+	select AR71XX_DEV_GPIO_BUTTONS
+	select AR71XX_DEV_LEDS_GPIO
+	select AR71XX_NVRAM
+
 config AR71XX_MACH_DIR_825_B1
 	bool "D-Link DIR-825 rev. B1 board support"
 	select SOC_AR71XX
diff --git a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/Makefile b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/Makefile
index 22e32e5acc..546ff34cc3 100644
--- a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/Makefile
+++ b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/Makefile
@@ -40,6 +40,7 @@ obj-$(CONFIG_AR71XX_MACH_AW_NR580)	+= mach-aw-nr580.o
 obj-$(CONFIG_AR71XX_MACH_DB120)		+= mach-db120.o
 obj-$(CONFIG_AR71XX_MACH_DIR_600_A1)	+= mach-dir-600-a1.o
 obj-$(CONFIG_AR71XX_MACH_DIR_615_C1)	+= mach-dir-615-c1.o
+obj-$(CONFIG_AR71XX_MACH_DIR_615_E4)	+= mach-dir-615-e4.o
 obj-$(CONFIG_AR71XX_MACH_DIR_825_B1)	+= mach-dir-825-b1.o
 obj-$(CONFIG_AR71XX_MACH_EAP7660D)	+= mach-eap7660d.o
 obj-$(CONFIG_AR71XX_MACH_JA76PF)	+= mach-ja76pf.o
diff --git a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/mach-dir-615-e4.c b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/mach-dir-615-e4.c
new file mode 100644
index 0000000000..943929a59c
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/mach-dir-615-e4.c
@@ -0,0 +1,183 @@
+/*
+ *  D-Link DIR-615 rev. E4 board support
+ *
+ *  Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2012 Vadim Girlin <vadimgirlin@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+
+#include "machtype.h"
+#include "devices.h"
+#include "dev-m25p80.h"
+#include "dev-ap91-pci.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "nvram.h"
+
+#define DIR_615_E4_GPIO_LED_WPS			0
+#define DIR_615_E4_GPIO_LED_POWER_AMBER		1
+#define DIR_615_E4_GPIO_LED_POWER_GREEN		6
+#define DIR_615_E4_GPIO_LED_WAN_AMBER		7
+#define DIR_615_E4_GPIO_LED_WAN_GREEN		17
+#define DIR_615_E4_GPIO_LED_LAN1_GREEN		13
+#define DIR_615_E4_GPIO_LED_LAN2_GREEN		14
+#define DIR_615_E4_GPIO_LED_LAN3_GREEN		15
+#define DIR_615_E4_GPIO_LED_LAN4_GREEN		16
+
+#define DIR_615_E4_GPIO_BTN_RESET		8
+#define DIR_615_E4_GPIO_BTN_WPS			12
+
+#define DIR_615_E4_KEYS_POLL_INTERVAL	20
+#define DIR_615_E4_KEYS_DEBOUNCE_INTERVAL (3 * DIR_615_E4_KEYS_POLL_INTERVAL)
+
+#define DIR_615_E4_NVRAM_ADDR	0x1f030000
+#define DIR_615_E4_NVRAM_SIZE	0x10000
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition dir_615_e4_partitions[] = {
+	{
+		.name		= "u-boot",
+		.offset		= 0,
+		.size		= 0x030000,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "nvram",
+		.offset		= 0x030000,
+		.size		= 0x010000,
+	}, {
+		.name		= "kernel",
+		.offset		= 0x040000,
+		.size		= 0x0e0000,
+	}, {
+		.name		= "rootfs",
+		.offset		= 0x120000,
+		.size		= 0x2c0000,
+	}, {
+		.name		= "mac",
+		.offset		= 0x3e0000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "art",
+		.offset		= 0x3f0000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "firmware",
+		.offset		= 0x040000,
+		.size		= 0x3a0000,
+	}
+};
+#endif /* CONFIG_MTD_PARTITIONS */
+
+static struct flash_platform_data dir_615_e4_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+	.parts		= dir_615_e4_partitions,
+	.nr_parts	= ARRAY_SIZE(dir_615_e4_partitions),
+#endif
+};
+
+
+static struct gpio_led dir_615_e4_leds_gpio[] __initdata = {
+	{
+		.name		= "dir-615-e4:green:power",
+		.gpio		= DIR_615_E4_GPIO_LED_POWER_GREEN,
+	}, {
+		.name		= "dir-615-e4:amber:power",
+		.gpio		= DIR_615_E4_GPIO_LED_POWER_AMBER,
+	}, {
+		.name		= "dir-615-e4:green:wan",
+		.gpio		= DIR_615_E4_GPIO_LED_WAN_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "dir-615-e4:amber:wan",
+		.gpio		= DIR_615_E4_GPIO_LED_WAN_AMBER,
+	}, {
+		.name		= "dir-615-e4:green:lan1",
+		.gpio		= DIR_615_E4_GPIO_LED_LAN1_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "dir-615-e4:green:lan2",
+		.gpio		= DIR_615_E4_GPIO_LED_LAN2_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "dir-615-e4:green:lan3",
+		.gpio		= DIR_615_E4_GPIO_LED_LAN3_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "dir-615-e4:green:lan4",
+		.gpio		= DIR_615_E4_GPIO_LED_LAN4_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "dir-615-e4:blue:wps",
+		.gpio		= DIR_615_E4_GPIO_LED_WPS,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_keys_button dir_615_e4_gpio_keys[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = DIR_615_E4_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= DIR_615_E4_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}, {
+		.desc		= "wps",
+		.type		= EV_KEY,
+		.code		= KEY_WPS_BUTTON,
+		.debounce_interval = DIR_615_E4_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= DIR_615_E4_GPIO_BTN_WPS,
+		.active_low	= 1,
+	}
+};
+
+static void __init dir_615_e4_setup(void)
+{
+	const char *nvram = (char *) KSEG1ADDR(DIR_615_E4_NVRAM_ADDR);
+	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
+	u8 mac_buff[6];
+	u8 *mac = NULL;
+
+	if (nvram_parse_mac_addr(nvram, DIR_615_E4_NVRAM_SIZE,
+				"lan_mac=", mac_buff) == 0) {
+		ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac_buff, 0);
+		ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac_buff, 1);
+		mac = mac_buff;
+	}
+
+	ar71xx_add_device_m25p80(&dir_615_e4_flash_data);
+
+	ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(dir_615_e4_leds_gpio),
+					dir_615_e4_leds_gpio);
+
+	ar71xx_register_gpio_keys_polled(-1, DIR_615_E4_KEYS_POLL_INTERVAL,
+					 ARRAY_SIZE(dir_615_e4_gpio_keys),
+					 dir_615_e4_gpio_keys);
+
+	ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
+	ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
+
+	ar71xx_add_device_mdio(0, 0x0);
+
+	/* LAN ports */
+	ar71xx_add_device_eth(1);
+
+	/* WAN port */
+	ar71xx_add_device_eth(0);
+
+	ap91_pci_setup_wmac_led_pin(1);
+	ap91_pci_init(ee, mac);
+}
+
+MIPS_MACHINE(AR71XX_MACH_DIR_615_E4, "DIR-615-E4", "D-Link DIR-615 rev. E4",
+	     dir_615_e4_setup);
diff --git a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/machtype.h b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/machtype.h
index 452055d78f..82fc944cb3 100644
--- a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/machtype.h
+++ b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/machtype.h
@@ -29,6 +29,7 @@ enum ar71xx_mach_type {
 	AR71XX_MACH_DB120,      /* Atheros DB120 (AR934x based) */
 	AR71XX_MACH_DIR_600_A1,	/* D-Link DIR-600 rev. A1 */
 	AR71XX_MACH_DIR_615_C1,	/* D-Link DIR-615 rev. C1 */
+	AR71XX_MACH_DIR_615_E4,	/* D-Link DIR-615 rev. E4 */
 	AR71XX_MACH_DIR_825_B1,	/* D-Link DIR-825 rev. B1 */
 	AR71XX_MACH_EAP7660D,	/* Senao EAP7660D */
 	AR71XX_MACH_JA76PF,	/* jjPlus JA76PF */
diff --git a/target/linux/ar71xx/files-3.2/arch/mips/ath79/mach-dir-615-e4.c b/target/linux/ar71xx/files-3.2/arch/mips/ath79/mach-dir-615-e4.c
new file mode 100644
index 0000000000..cce5dce795
--- /dev/null
+++ b/target/linux/ar71xx/files-3.2/arch/mips/ath79/mach-dir-615-e4.c
@@ -0,0 +1,179 @@
+/*
+ *  D-Link DIR-615 rev. E4 board support
+ *
+ *  Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2012 Vadim Girlin <vadimgirlin@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach-ath79/ath79.h>
+
+#include "dev-ap9x-pci.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "machtypes.h"
+#include "nvram.h"
+
+#define DIR_615_E4_GPIO_LED_WPS			0
+#define DIR_615_E4_GPIO_LED_POWER_AMBER		1
+#define DIR_615_E4_GPIO_LED_POWER_GREEN		6
+#define DIR_615_E4_GPIO_LED_WAN_AMBER		7
+#define DIR_615_E4_GPIO_LED_WAN_GREEN		17
+#define DIR_615_E4_GPIO_LED_LAN1_GREEN		13
+#define DIR_615_E4_GPIO_LED_LAN2_GREEN		14
+#define DIR_615_E4_GPIO_LED_LAN3_GREEN		15
+#define DIR_615_E4_GPIO_LED_LAN4_GREEN		16
+
+#define DIR_615_E4_GPIO_BTN_RESET		8
+#define DIR_615_E4_GPIO_BTN_WPS			12
+
+#define DIR_615_E4_KEYS_POLL_INTERVAL	20
+#define DIR_615_E4_KEYS_DEBOUNCE_INTERVAL (3 * DIR_615_E4_KEYS_POLL_INTERVAL)
+
+#define DIR_615_E4_NVRAM_ADDR	0x1f030000
+#define DIR_615_E4_NVRAM_SIZE	0x10000
+
+static struct mtd_partition dir_615_e4_partitions[] = {
+	{
+		.name		= "u-boot",
+		.offset		= 0,
+		.size		= 0x030000,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "nvram",
+		.offset		= 0x030000,
+		.size		= 0x010000,
+	}, {
+		.name		= "kernel",
+		.offset		= 0x040000,
+		.size		= 0x0e0000,
+	}, {
+		.name		= "rootfs",
+		.offset		= 0x120000,
+		.size		= 0x2c0000,
+	}, {
+		.name		= "mac",
+		.offset		= 0x3e0000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "art",
+		.offset		= 0x3f0000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "firmware",
+		.offset		= 0x040000,
+		.size		= 0x3a0000,
+	}
+};
+
+static struct flash_platform_data dir_615_e4_flash_data = {
+	.parts		= dir_615_e4_partitions,
+	.nr_parts	= ARRAY_SIZE(dir_615_e4_partitions),
+};
+
+
+static struct gpio_led dir_615_e4_leds_gpio[] __initdata = {
+	{
+		.name		= "dir-615-e4:green:power",
+		.gpio		= DIR_615_E4_GPIO_LED_POWER_GREEN,
+	}, {
+		.name		= "dir-615-e4:amber:power",
+		.gpio		= DIR_615_E4_GPIO_LED_POWER_AMBER,
+	}, {
+		.name		= "dir-615-e4:green:wan",
+		.gpio		= DIR_615_E4_GPIO_LED_WAN_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "dir-615-e4:amber:wan",
+		.gpio		= DIR_615_E4_GPIO_LED_WAN_AMBER,
+	}, {
+		.name		= "dir-615-e4:green:lan1",
+		.gpio		= DIR_615_E4_GPIO_LED_LAN1_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "dir-615-e4:green:lan2",
+		.gpio		= DIR_615_E4_GPIO_LED_LAN2_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "dir-615-e4:green:lan3",
+		.gpio		= DIR_615_E4_GPIO_LED_LAN3_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "dir-615-e4:green:lan4",
+		.gpio		= DIR_615_E4_GPIO_LED_LAN4_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "dir-615-e4:blue:wps",
+		.gpio		= DIR_615_E4_GPIO_LED_WPS,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_keys_button dir_615_e4_gpio_keys[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = DIR_615_E4_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= DIR_615_E4_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}, {
+		.desc		= "wps",
+		.type		= EV_KEY,
+		.code		= KEY_WPS_BUTTON,
+		.debounce_interval = DIR_615_E4_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= DIR_615_E4_GPIO_BTN_WPS,
+		.active_low	= 1,
+	}
+};
+
+static void __init dir_615_e4_setup(void)
+{
+	const char *nvram = (char *) KSEG1ADDR(DIR_615_E4_NVRAM_ADDR);
+	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
+	u8 mac_buff[6];
+	u8 *mac = NULL;
+
+	if (ath79_nvram_parse_mac_addr(nvram, DIR_615_E4_NVRAM_SIZE,
+				       "lan_mac=", mac_buff) == 0) {
+		ath79_init_mac(ath79_eth0_data.mac_addr, mac_buff, 0);
+		ath79_init_mac(ath79_eth1_data.mac_addr, mac_buff, 1);
+		mac = mac_buff;
+	}
+
+	ath79_register_m25p80(&dir_615_e4_flash_data);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(dir_615_e4_leds_gpio),
+				 dir_615_e4_leds_gpio);
+
+	ath79_register_gpio_keys_polled(-1, DIR_615_E4_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(dir_615_e4_gpio_keys),
+					dir_615_e4_gpio_keys);
+
+	ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
+	ath79_init_mac(ath79_eth1_data.mac_addr, mac, 1);
+
+	ath79_register_mdio(0, 0x0);
+
+	/* LAN ports */
+	ath79_register_eth(1);
+
+	/* WAN port */
+	ath79_register_eth(0);
+
+	ap9x_pci_setup_wmac_led_pin(0, 1);
+	ap91_pci_init(ee, mac);
+}
+
+MIPS_MACHINE(ATH79_MACH_DIR_615_E4, "DIR-615-E4", "D-Link DIR-615 rev. E4",
+	     dir_615_e4_setup);
diff --git a/target/linux/ar71xx/generic/profiles/d-link.mk b/target/linux/ar71xx/generic/profiles/d-link.mk
index ec79ddecf4..3068c4f31a 100644
--- a/target/linux/ar71xx/generic/profiles/d-link.mk
+++ b/target/linux/ar71xx/generic/profiles/d-link.mk
@@ -29,6 +29,18 @@ endef
 $(eval $(call Profile,DIR615C1))
 
 
+define Profile/DIR615E4
+	NAME:=D-Link DIR-615 rev. E4
+	PACKAGES:=
+endef
+
+define Profile/DIR615E4/Description
+	Package set optimized for the D-Link DIR-615 rev. E4.
+endef
+
+$(eval $(call Profile,DIR615E4))
+
+
 define Profile/DIR825B1
 	NAME:=D-Link DIR-825 rev. B1
 	PACKAGES:=kmod-usb-core kmod-usb-ohci kmod-usb2 kmod-ledtrig-usbdev
diff --git a/target/linux/ar71xx/image/Makefile b/target/linux/ar71xx/image/Makefile
index bd5e945f59..19e26ad2d6 100644
--- a/target/linux/ar71xx/image/Makefile
+++ b/target/linux/ar71xx/image/Makefile
@@ -698,6 +698,11 @@ define Image/Build/Profile/DIR600A1
 	$(call Image/Build/Template/$(fs_64k)/$(1),Cameo7240,dir-600-a1,$(dir600a1_cmdline),"AP91-AR7240-RT-090223-00")
 endef
 
+dir615e4_cmdline=board=DIR-615-E4 console=ttyS0,115200
+define Image/Build/Profile/DIR615E4
+	$(call Image/Build/Template/$(fs_64k)/$(1),Cameo7240,dir-615-e4,$(dir615e4_cmdline),"AP99-AR7240-RT-091105-05")
+endef
+
 eap7660d_cmdline=board=EAP7660D console=ttyS0,115200
 define Image/Build/Profile/EAP7660D
 	$(call Image/Build/Template/$(fs_128k)/$(1),PB4X,eap7660d,$(eap7660d_cmdline))
@@ -995,6 +1000,7 @@ define Image/Build/Profile/Default
 	$(call Image/Build/Profile/DB120,$(1))
 	$(call Image/Build/Profile/DIR600A1,$(1))
 	$(call Image/Build/Profile/DIR615C1,$(1))
+	$(call Image/Build/Profile/DIR615E4,$(1))
 	$(call Image/Build/Profile/DIR825B1,$(1))
 	$(call Image/Build/Profile/EAP7660D,$(1))
 	$(call Image/Build/Profile/FR54RTR,$(1))
diff --git a/target/linux/ar71xx/patches-3.2/610-MIPS-ath79-openwrt-machines.patch b/target/linux/ar71xx/patches-3.2/610-MIPS-ath79-openwrt-machines.patch
index d5204cb082..e6542a1741 100644
--- a/target/linux/ar71xx/patches-3.2/610-MIPS-ath79-openwrt-machines.patch
+++ b/target/linux/ar71xx/patches-3.2/610-MIPS-ath79-openwrt-machines.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/ath79/machtypes.h
 +++ b/arch/mips/ath79/machtypes.h
-@@ -16,17 +16,80 @@
+@@ -16,17 +16,81 @@
  
  enum ath79_mach_type {
  	ATH79_MACH_GENERIC = 0,
@@ -18,6 +18,7 @@
  	ATH79_MACH_PB44,		/* Atheros PB44 reference board */
 +	ATH79_MACH_DIR_600_A1,		/* D-Link DIR-600 rev. A1 */
 +	ATH79_MACH_DIR_615_C1,		/* D-Link DIR-615 rev. C1 */
++	ATH79_MACH_DIR_615_E4,		/* D-Link DIR-615 rev. E4 */
 +	ATH79_MACH_DIR_825_B1,		/* D-Link DIR-825 rev. B1 */
 +	ATH79_MACH_EAP7660D,		/* Senao EAP7660D */
 +	ATH79_MACH_JA76PF,		/* jjPlus JA76PF */
@@ -187,7 +188,7 @@
  config ATH79_MACH_PB44
  	bool "Atheros PB44 reference board"
  	select SOC_AR71XX
-@@ -54,6 +137,369 @@ config ATH79_MACH_PB44
+@@ -54,6 +137,379 @@ config ATH79_MACH_PB44
  	  Say 'Y' here if you want your kernel to support the
  	  Atheros PB44 reference board.
  
@@ -296,6 +297,16 @@
 +	select ATH79_DEV_WMAC
 +	select ATH79_NVRAM
 +
++config ATH79_MACH_DIR_615_E4
++	bool "D-Link DIR-615 rev. E4 support"
++	select SOC_AR724X
++	select ATH79_DEV_AP9X_PCI if PCI
++	select ATH79_DEV_ETH
++	select ATH79_DEV_GPIO_BUTTONS
++	select ATH79_DEV_LEDS_GPIO
++	select ATH79_DEV_M25P80
++	select ATH79_NVRAM
++
 +config ATH79_MACH_DIR_825_B1
 +	bool "D-Link DIR-825 rev. B1 board support"
 +	select SOC_AR71XX
@@ -557,7 +568,7 @@
  config ATH79_MACH_UBNT_XM
  	bool "Ubiquiti Networks XM (rev 1.0) board"
  	select SOC_AR724X
-@@ -67,6 +513,24 @@ config ATH79_MACH_UBNT_XM
+@@ -67,6 +523,24 @@ config ATH79_MACH_UBNT_XM
  	  Say 'Y' here if you want your kernel to support the
  	  Ubiquiti Networks XM (rev 1.0) board.
  
@@ -582,7 +593,7 @@
  endmenu
  
  config SOC_AR71XX
-@@ -96,10 +560,6 @@ config SOC_AR934X
+@@ -96,10 +570,6 @@ config SOC_AR934X
  	select PCI_AR724X if PCI
  	def_bool n
  
@@ -593,7 +604,7 @@
  config ATH79_DEV_AP9X_PCI
  	select ATH79_PCI_ATH9K_FIXUP
  	def_bool n
-@@ -110,7 +570,14 @@ config ATH79_DEV_DSA
+@@ -110,7 +580,14 @@ config ATH79_DEV_DSA
  config ATH79_DEV_ETH
  	def_bool n
  
@@ -609,7 +620,7 @@
  	def_bool n
  
  config ATH79_DEV_GPIO_BUTTONS
-@@ -135,4 +602,7 @@ config ATH79_NVRAM
+@@ -135,4 +612,7 @@ config ATH79_NVRAM
  config ATH79_PCI_ATH9K_FIXUP
  	def_bool n
  
@@ -619,7 +630,7 @@
  endif
 --- a/arch/mips/ath79/Makefile
 +++ b/arch/mips/ath79/Makefile
-@@ -36,8 +36,56 @@ obj-$(CONFIG_ATH79_PCI_ATH9K_FIXUP)	+= p
+@@ -36,8 +36,57 @@ obj-$(CONFIG_ATH79_PCI_ATH9K_FIXUP)	+= p
  #
  # Machines
  #
@@ -635,6 +646,7 @@
  obj-$(CONFIG_ATH79_MACH_DB120)		+= mach-db120.o
 +obj-$(CONFIG_ATH79_MACH_DIR_600_A1)	+= mach-dir-600-a1.o
 +obj-$(CONFIG_ATH79_MACH_DIR_615_C1)	+= mach-dir-615-c1.o
++obj-$(CONFIG_ATH79_MACH_DIR_615_E4)     += mach-dir-615-e4.o
 +obj-$(CONFIG_ATH79_MACH_DIR_825_B1)	+= mach-dir-825-b1.o
 +obj-$(CONFIG_ATH79_MACH_EAP7660D)	+= mach-eap7660d.o
 +obj-$(CONFIG_ATH79_MACH_JA76PF)		+= mach-ja76pf.o