[TG3]: Add PHY workaround for 5755M.

Some PHY trim values need to be fine-tuned on 5755M to be
IEEE-compliant.

Update version to 3.72.

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

2 files changed, 16 insertions, 5 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 4056ba1ff3c..f4bf62c2a7a 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -68,8 +68,8 @@
 
 #define DRV_MODULE_NAME         "tg3"
 #define PFX DRV_MODULE_NAME     ": "
-#define DRV_MODULE_VERSION      "3.71"
-#define DRV_MODULE_RELDATE      "December 15, 2006"
+#define DRV_MODULE_VERSION      "3.72"
+#define DRV_MODULE_RELDATE      "January 8, 2007"
 
 #define TG3_DEF_MAC_MODE        0
 #define TG3_DEF_RX_MODE         0
@@ -1015,7 +1015,12 @@ out:
         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
-                tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
+                if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
+                        tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
+                        tg3_writephy(tp, MII_TG3_TEST1,
+                                     MII_TG3_TEST1_TRIM_EN | 0x4);
+                } else
+                        tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
         }
         /* Set Extended packet length bit (bit 14) on all chips that */
@@ -10803,9 +10808,11 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 
         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
-                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) {
                         tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
-                else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
+                        if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
+                                tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
+                } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
         }
 
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index cf78a7e5997..80f59ac7ec5 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1658,6 +1658,9 @@
 #define MII_TG3_EPHY_TEST               0x1f /* 5906 PHY register */
 #define MII_TG3_EPHY_SHADOW_EN          0x80
 
+#define MII_TG3_TEST1                   0x1e
+#define MII_TG3_TEST1_TRIM_EN           0x0010
+
 /* There are two ways to manage the TX descriptors on the tigon3.
  * Either the descriptors are in host DMA'able memory, or they
  * exist only in the cards on-chip SRAM.  All 16 send bds are under
@@ -2256,6 +2259,7 @@ struct tg3 {
 #define TG3_FLG2_1SHOT_MSI              0x10000000
 #define TG3_FLG2_PHY_JITTER_BUG         0x20000000
 #define TG3_FLG2_NO_FWARE_REPORTED      0x40000000
+#define TG3_FLG2_PHY_ADJUST_TRIM        0x80000000
 
         u32                             split_mode_max_reqs;
 #define SPLIT_MODE_5704_MAX_REQ         3