net/ucc_geth: Add SGMII support for UCC GETH driver

-- derived from reverted commit 047584ce94108012288554a5f84585d792cc7f8f
-- reworked by Grant Likely to play nice with commit:
   "net: Rework ucc_geth driver to use of_mdio infrastructure"
   (0b9da337dca972e7a4144e298ec3adb8f244d4a4)

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ucc_geth.h b/drivers/net/ucc_geth.h
index dca628a..1525bf5 100644
--- a/drivers/net/ucc_geth.h
+++ b/drivers/net/ucc_geth.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
+ * Copyright (C) Freescale Semicondutor, Inc. 2006-2009. All rights reserved.
  *
  * Author: Shlomi Gridish <gridish@freescale.com>
  *
@@ -193,6 +193,31 @@
 #define	ENET_TBI_MII_JD		0x10	/* Jitter diagnostics */
 #define	ENET_TBI_MII_TBICON	0x11	/* TBI control */
 
+/* TBI MDIO register bit fields*/
+#define TBISR_LSTATUS          0x0004
+#define TBICON_CLK_SELECT       0x0020
+#define TBIANA_ASYMMETRIC_PAUSE 0x0100
+#define TBIANA_SYMMETRIC_PAUSE  0x0080
+#define TBIANA_HALF_DUPLEX      0x0040
+#define TBIANA_FULL_DUPLEX      0x0020
+#define TBICR_PHY_RESET         0x8000
+#define TBICR_ANEG_ENABLE       0x1000
+#define TBICR_RESTART_ANEG      0x0200
+#define TBICR_FULL_DUPLEX       0x0100
+#define TBICR_SPEED1_SET        0x0040
+
+#define TBIANA_SETTINGS ( \
+		TBIANA_ASYMMETRIC_PAUSE \
+		| TBIANA_SYMMETRIC_PAUSE \
+		| TBIANA_FULL_DUPLEX \
+		)
+#define TBICR_SETTINGS ( \
+		TBICR_PHY_RESET \
+		| TBICR_ANEG_ENABLE \
+		| TBICR_FULL_DUPLEX \
+		| TBICR_SPEED1_SET \
+		)
+
 /* UCC GETH MACCFG1 (MAC Configuration 1 Register) */
 #define MACCFG1_FLOW_RX                         0x00000020	/* Flow Control
 								   Rx */
@@ -1100,6 +1125,7 @@
 	u16 pausePeriod;
 	u16 extensionField;
 	struct device_node *phy_node;
+	struct device_node *tbi_node;
 	u8 weightfactor[NUM_TX_QUEUES];
 	u8 interruptcoalescingmaxvalue[NUM_RX_QUEUES];
 	u8 l2qt[UCC_GETH_VLAN_PRIORITY_MAX];