diff --git a/sys/arm/at91/if_macb.c b/sys/arm/at91/if_macb.c
index 6ad167ccb680..7e411f57af4a 100644
--- a/sys/arm/at91/if_macb.c
+++ b/sys/arm/at91/if_macb.c
@@ -25,6 +25,7 @@
  */
 
 #include "opt_platform.h"
+#include "opt_at91.h"
 
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
@@ -1359,8 +1360,14 @@ macb_attach(device_t dev)
 
 	sc->clock = sc->clock << 10;
 
+#ifdef AT91_MACB_USE_RMII
+	sc->use_rmii = USRIO_RMII;
+#else
+	sc->use_rmii = read_4(sc, EMAC_USRIO) & USRIO_RMII;
+#endif
+
 	write_4(sc, EMAC_NCFGR, sc->clock);
-	write_4(sc, EMAC_USRIO, USRIO_CLOCK);       //enable clock
+	write_4(sc, EMAC_USRIO, USRIO_CLOCK | sc->use_rmii);       //enable clock
 
 	write_4(sc, EMAC_NCR, MPE_ENABLE); //enable MPE
 
diff --git a/sys/arm/at91/if_macbreg.h b/sys/arm/at91/if_macbreg.h
index 163d79d61dac..59cf17c4ab28 100644
--- a/sys/arm/at91/if_macbreg.h
+++ b/sys/arm/at91/if_macbreg.h
@@ -99,7 +99,8 @@
 
 #define	CFG_DRFCS	(1 << 17)
 
-#define USRIO_CLOCK	(1 << 1)
+#define USRIO_RMII	(1 << 0)		/* RMII vs MII pins */
+#define USRIO_CLOCK	(1 << 1)		/* Enable the clock! */
 
 
 
diff --git a/sys/arm/at91/if_macbvar.h b/sys/arm/at91/if_macbvar.h
index 4469b03cc48e..662c71c3ff10 100644
--- a/sys/arm/at91/if_macbvar.h
+++ b/sys/arm/at91/if_macbvar.h
@@ -131,8 +131,8 @@ struct macb_softc
 
 	struct macb_chain_data	macb_cdata;
 	int clock;
+
+	uint32_t use_rmii; /* 0 or USRIO_RMII */
 };
 
-
-
 #endif
diff --git a/sys/arm/conf/HL201 b/sys/arm/conf/HL201
index f10723570a1e..d65766a66aa9 100644
--- a/sys/arm/conf/HL201
+++ b/sys/arm/conf/HL201
@@ -70,7 +70,7 @@ options 	DDB			# Enable the kernel debugger
 #options 	BOOTP_NFSROOT
 #options 	BOOTP_COMPAT
 #options 	BOOTP_NFSV3
-#options 	BOOTP_WIRED_TO=ate0
+#options 	BOOTP_WIRED_TO=macb0
 
 options 	ROOTDEVNAME=\"ufs:/dev/mmcsd0s1a\"
 
@@ -87,7 +87,7 @@ device		bpf			# Berkeley packet filter
 
 # Ethernet
 device		mii			# Minimal MII support
-device		ate			# Atmel AT91 Ethernet driver
+device		macb			# Atmel AT91 Ethernet driver
 device		lxtphy
 
 # I2C
diff --git a/sys/arm/conf/SAM9G20EK b/sys/arm/conf/SAM9G20EK
index a6816ec7b1b7..bd33e6bea059 100644
--- a/sys/arm/conf/SAM9G20EK
+++ b/sys/arm/conf/SAM9G20EK
@@ -23,6 +23,14 @@ ident		SAM9G20EK
 include 	"std.arm"
 include 	"../at91/std.sam9g20ek"
 
+#options		FDT
+#options 	FDT_DTB_STATIC
+#makeoptions	FDT_DTS_FILE=at91sam9g20ek.dts
+
+options 	EARLY_PRINTF
+options 	SOCDEV_PA=0xfc000000
+options 	SOCDEV_VA=0xdc000000
+
 #To statically compile in device wiring instead of /boot/device.hints
 hints		"SAM9G20EK.hints"
 makeoptions	MODULES_OVERRIDE=""
@@ -92,8 +100,10 @@ device		bpf			# Berkeley packet filter
 
 # Ethernet
 device		mii			# Minimal MII support
-device		ate			# Atmel AT91 Ethernet driver
-options 	AT91_ATE_USE_RMII
+#device		ate			# Atmel AT91 Ethernet driver
+#options 	AT91_ATE_USE_RMII
+device		macb			# Atmel AT91 Ethernet driver
+options 	AT91_MACB_USE_RMII
 
 # I2C
 device		at91_twi		# Atmel AT91 Two-wire Interface
diff --git a/sys/conf/options.arm b/sys/conf/options.arm
index aee546a03863..ada11746f48d 100644
--- a/sys/conf/options.arm
+++ b/sys/conf/options.arm
@@ -62,6 +62,7 @@ XSACLE_DISABLE_CCNT	opt_timer.h
 VERBOSE_INIT_ARM	opt_global.h
 VM_MAXUSER_ADDRESS	opt_global.h
 AT91_ATE_USE_RMII	opt_at91.h
+AT91_MACB_USE_RMII	opt_at91.h
 AT91_MCI_ALLOW_OVERCLOCK opt_at91.h
 AT91_MCI_HAS_4WIRE	opt_at91.h
 AT91_MCI_SLOT_B		opt_at91.h