bnx2x: Supporting BCM8726 PHY

Also adding the ability to recognize the optic module and disable it if it is
not authorized for safety reasons - since this feature might upset some users
which are willing to take the risk, it is optional and can be disabled by
setting an nvram bit (or a trivial driver patch to set this bit).
This dual port PHY requires special handling if the ports are swapped.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h
index 6fc1d0d..520bf695 100644
--- a/drivers/net/bnx2x_reg.h
+++ b/drivers/net/bnx2x_reg.h
@@ -5800,9 +5800,25 @@
 #define MDIO_PMA_REG_ROM_VER2		0xca1a
 #define MDIO_PMA_REG_EDC_FFE_MAIN	0xca1b
 #define MDIO_PMA_REG_PLL_BANDWIDTH	0xca1d
+#define MDIO_PMA_REG_MISC_CTRL0 	0xca23
+#define MDIO_PMA_REG_LRM_MODE		0xca3f
 #define MDIO_PMA_REG_CDR_BANDWIDTH	0xca46
 #define MDIO_PMA_REG_MISC_CTRL1 	0xca85
 
+#define MDIO_PMA_REG_8726_TWO_WIRE_CTRL 	0x8000
+#define MDIO_PMA_REG_8726_TWO_WIRE_CTRL_STATUS_MASK	0x000c
+#define MDIO_PMA_REG_8726_TWO_WIRE_STATUS_IDLE		0x0000
+#define MDIO_PMA_REG_8726_TWO_WIRE_STATUS_COMPLETE	0x0004
+#define MDIO_PMA_REG_8726_TWO_WIRE_STATUS_IN_PROGRESS	0x0008
+#define MDIO_PMA_REG_8726_TWO_WIRE_STATUS_FAILED	0x000c
+#define MDIO_PMA_REG_8726_TWO_WIRE_BYTE_CNT	0x8002
+#define MDIO_PMA_REG_8726_TWO_WIRE_MEM_ADDR	0x8003
+#define MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF	0xc820
+#define MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK 0xff
+#define MDIO_PMA_REG_8726_TX_CTRL1		0xca01
+#define MDIO_PMA_REG_8726_TX_CTRL2		0xca05
+
+
 #define MDIO_PMA_REG_7101_RESET 	0xc000
 #define MDIO_PMA_REG_7107_LED_CNTL	0xc007
 #define MDIO_PMA_REG_7101_VER1		0xc026
@@ -5832,6 +5848,12 @@
 #define MDIO_XS_PLL_SEQUENCER		0x8000
 #define MDIO_XS_SFX7101_XGXS_TEST1	0xc00a
 
+#define MDIO_XS_8706_REG_BANK_RX0	0x80bc
+#define MDIO_XS_8706_REG_BANK_RX1	0x80cc
+#define MDIO_XS_8706_REG_BANK_RX2	0x80dc
+#define MDIO_XS_8706_REG_BANK_RX3	0x80ec
+#define MDIO_XS_8706_REG_BANK_RXA	0x80fc
+
 #define MDIO_AN_DEVAD			0x7
 /*ieee*/
 #define MDIO_AN_REG_CTRL		0x0000