[TG3]: Enable auto MDI.

This patch adds automatic MDI crossover support when autonegotiation is
turned off.  Automatic MDI crossover allows link to be established
without the use of a crossover cable.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index bd9f4f428e5b..e1b9381d3b41 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1642,6 +1642,11 @@
 
 #define MII_TG3_AUX_CTRL                0x18 /* auxilliary control register */
 
+#define MII_TG3_AUXCTL_MISC_WREN        0x8000
+#define MII_TG3_AUXCTL_MISC_FORCE_AMDIX 0x0200
+#define MII_TG3_AUXCTL_MISC_RDSEL_MISC  0x7000
+#define MII_TG3_AUXCTL_SHDWSEL_MISC             0x0007
+
 #define MII_TG3_AUX_STAT                0x19 /* auxilliary status register */
 #define MII_TG3_AUX_STAT_LPASS          0x0004
 #define MII_TG3_AUX_STAT_SPDMASK        0x0700
@@ -1667,6 +1672,9 @@
 #define MII_TG3_EPHY_TEST               0x1f /* 5906 PHY register */
 #define MII_TG3_EPHY_SHADOW_EN          0x80
 
+#define MII_TG3_EPHYTST_MISCCTRL        0x10 /* 5906 EPHY misc ctrl shadow register */
+#define MII_TG3_EPHYTST_MISCCTRL_MDIX   0x4000
+
 #define MII_TG3_TEST1                   0x1e
 #define MII_TG3_TEST1_TRIM_EN           0x0010
 #define MII_TG3_TEST1_CRC_EN            0x8000