--- a/arch/mips/ath79/mach-ap81.c
+++ b/arch/mips/ath79/mach-ap81.c
@@ -9,12 +9,16 @@
  *  by the Free Software Foundation.
  */
 
-#include "machtypes.h"
-#include "dev-wmac.h"
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include "dev-eth.h"
 #include "dev-gpio-buttons.h"
 #include "dev-leds-gpio.h"
-#include "dev-spi.h"
+#include "dev-m25p80.h"
 #include "dev-usb.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
 
 #define AP81_GPIO_LED_STATUS	1
 #define AP81_GPIO_LED_AOSS	3
@@ -67,20 +71,6 @@ static struct gpio_keys_button ap81_gpio
 	}
 };
 
-static struct spi_board_info ap81_spi_info[] = {
-	{
-		.bus_num	= 0,
-		.chip_select	= 0,
-		.max_speed_hz	= 25000000,
-		.modalias	= "m25p64",
-	}
-};
-
-static struct ath79_spi_platform_data ap81_spi_data = {
-	.bus_num	= 0,
-	.num_chipselect = 1,
-};
-
 static void __init ap81_setup(void)
 {
 	u8 *cal_data = (u8 *) KSEG1ADDR(AP81_CAL_DATA_ADDR);
@@ -90,10 +80,24 @@ static void __init ap81_setup(void)
 	ath79_register_gpio_keys_polled(-1, AP81_KEYS_POLL_INTERVAL,
 					ARRAY_SIZE(ap81_gpio_keys),
 					ap81_gpio_keys);
-	ath79_register_spi(&ap81_spi_data, ap81_spi_info,
-			   ARRAY_SIZE(ap81_spi_info));
+	ath79_register_m25p80(NULL);
 	ath79_register_wmac(cal_data, NULL);
 	ath79_register_usb();
+
+	ath79_register_mdio(0, 0x0);
+
+	ath79_init_mac(ath79_eth0_data.mac_addr, cal_data, 0);
+	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ath79_eth0_data.speed = SPEED_100;
+	ath79_eth0_data.duplex = DUPLEX_FULL;
+	ath79_eth0_data.has_ar8216 = 1;
+
+	ath79_init_mac(ath79_eth1_data.mac_addr, cal_data, 1);
+	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ath79_eth1_data.phy_mask = 0x10;
+
+	ath79_register_eth(0);
+	ath79_register_eth(1);
 }
 
 MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -30,9 +30,10 @@ config ATH79_MACH_AP136
 config ATH79_MACH_AP81
 	bool "Atheros AP81 reference board"
 	select SOC_AR913X
+	select ATH79_DEV_ETH
 	select ATH79_DEV_GPIO_BUTTONS
 	select ATH79_DEV_LEDS_GPIO
-	select ATH79_DEV_SPI
+	select ATH79_DEV_M25P80
 	select ATH79_DEV_USB
 	select ATH79_DEV_WMAC
 	help
