diff --git a/arch/mips/ath79/mach-ap121.c b/arch/mips/ath79/mach-ap121.c
index 353af55fe94d9d691be108d9037a289f86e0a2bf..39ee82802e4944fd1cca880b4ccd8d6684080a3f 100644
--- a/arch/mips/ath79/mach-ap121.c
+++ b/arch/mips/ath79/mach-ap121.c
@@ -13,6 +13,7 @@
 #include "dev-leds-gpio.h"
 #include "dev-spi.h"
 #include "dev-usb.h"
+#include "dev-ar913x-wmac.h"
 
 #define AP121_GPIO_LED_WLAN		0
 #define AP121_GPIO_LED_USB		1
@@ -73,6 +74,8 @@ static struct ath79_spi_platform_data ap121_spi_data = {
 
 static void __init ap121_setup(void)
 {
+	u8 *cal_data = (u8 *) KSEG1ADDR(AP121_CAL_DATA_ADDR);
+
 	ath79_register_leds_gpio(-1, ARRAY_SIZE(ap121_leds_gpio),
 				 ap121_leds_gpio);
 	ath79_register_gpio_keys_polled(-1, AP121_KEYS_POLL_INTERVAL,
@@ -82,6 +85,7 @@ static void __init ap121_setup(void)
 	ath79_register_spi(&ap121_spi_data, ap121_spi_info,
 			   ARRAY_SIZE(ap121_spi_info));
 	ath79_register_usb();
+	ath79_register_wmac(cal_data);
 }
 
 MIPS_MACHINE(ATH79_MACH_AP121, "AP121", "Atheros AP121 reference board",