diff --git a/arch/powerpc/boot/dts/sequoia.dts b/arch/powerpc/boot/dts/sequoia.dts
index 3d0dfaecc7b6..10784ff45dd6 100644
--- a/arch/powerpc/boot/dts/sequoia.dts
+++ b/arch/powerpc/boot/dts/sequoia.dts
@@ -274,6 +274,8 @@
 				zmii-channel = <0>;
 				rgmii-device = <&RGMII0>;
 				rgmii-channel = <0>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
 			};
 
 			EMAC1: ethernet@ef600f00 {
@@ -302,6 +304,8 @@
 				zmii-channel = <1>;
 				rgmii-device = <&RGMII0>;
 				rgmii-channel = <1>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
 			};
 		};
 	};
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index e0eae09febfa..ac9fd46509c1 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -711,7 +711,7 @@ static int __emac_mdio_read(struct emac_instance *dev, u8 id, u8 reg)
 		r = EMAC_STACR_BASE(dev->opb_bus_freq);
 	if (emac_has_feature(dev, EMAC_FTR_STACR_OC_INVERT))
 		r |= EMAC_STACR_OC;
-	if (emac_has_feature(dev, EMAC_FTR_HAS_AXON_STACR))
+	if (emac_has_feature(dev, EMAC_FTR_HAS_NEW_STACR))
 		r |= EMACX_STACR_STAC_READ;
 	else
 		r |= EMAC_STACR_STAC_READ;
@@ -783,7 +783,7 @@ static void __emac_mdio_write(struct emac_instance *dev, u8 id, u8 reg,
 		r = EMAC_STACR_BASE(dev->opb_bus_freq);
 	if (emac_has_feature(dev, EMAC_FTR_STACR_OC_INVERT))
 		r |= EMAC_STACR_OC;
-	if (emac_has_feature(dev, EMAC_FTR_HAS_AXON_STACR))
+	if (emac_has_feature(dev, EMAC_FTR_HAS_NEW_STACR))
 		r |= EMACX_STACR_STAC_WRITE;
 	else
 		r |= EMAC_STACR_STAC_WRITE;
@@ -2480,16 +2480,19 @@ static int __devinit emac_init_config(struct emac_instance *dev)
 	/* Check EMAC version */
 	if (of_device_is_compatible(np, "ibm,emac4"))
 		dev->features |= EMAC_FTR_EMAC4;
-	if (of_device_is_compatible(np, "ibm,emac-axon")
-	    || of_device_is_compatible(np, "ibm,emac-440epx"))
-		dev->features |= EMAC_FTR_HAS_AXON_STACR
-			| EMAC_FTR_STACR_OC_INVERT;
-	if (of_device_is_compatible(np, "ibm,emac-440spe"))
-		dev->features |= EMAC_FTR_STACR_OC_INVERT;
 
-	/* Fixup some feature bits based on the device tree and verify
-	 * we have support for them compiled in
-	 */
+	/* Fixup some feature bits based on the device tree */
+	if (of_get_property(np, "has-inverted-stacr-oc", NULL))
+		dev->features |= EMAC_FTR_STACR_OC_INVERT;
+	if (of_get_property(np, "has-new-stacr-staopc", NULL))
+		dev->features |= EMAC_FTR_HAS_NEW_STACR;
+
+	/* CAB lacks the appropriate properties */
+	if (of_device_is_compatible(np, "ibm,emac-axon"))
+		dev->features |= EMAC_FTR_HAS_NEW_STACR |
+			EMAC_FTR_STACR_OC_INVERT;
+
+	/* Enable TAH/ZMII/RGMII features as found */
 	if (dev->tah_ph != 0) {
 #ifdef CONFIG_IBM_NEW_EMAC_TAH
 		dev->features |= EMAC_FTR_HAS_TAH;
diff --git a/drivers/net/ibm_newemac/core.h b/drivers/net/ibm_newemac/core.h
index a010b2463fd9..04105f939cfd 100644
--- a/drivers/net/ibm_newemac/core.h
+++ b/drivers/net/ibm_newemac/core.h
@@ -293,9 +293,9 @@ struct emac_instance {
  */
 #define EMAC_FTR_HAS_RGMII		0x00000020
 /*
- * Set if we have axon-type STACR
+ * Set if we have new type STACR with STAOPC
  */
-#define EMAC_FTR_HAS_AXON_STACR		0x00000040
+#define EMAC_FTR_HAS_NEW_STACR		0x00000040
 
 
 /* Right now, we don't quite handle the always/possible masks on the
@@ -307,7 +307,7 @@ enum {
 
 	EMAC_FTRS_POSSIBLE	=
 #ifdef CONFIG_IBM_NEW_EMAC_EMAC4
-	    EMAC_FTR_EMAC4	| EMAC_FTR_HAS_AXON_STACR	|
+	    EMAC_FTR_EMAC4	| EMAC_FTR_HAS_NEW_STACR	|
 	    EMAC_FTR_STACR_OC_INVERT	|
 #endif
 #ifdef CONFIG_IBM_NEW_EMAC_TAH