tg3: Add TG3_FLG3_USE_PHYLIB

This patch introduces the TG3_FLG3_USE_PHYLIB flag and applies it to
some select places.  This work makes later patches a little easier to
read.

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

2 files changed, 53 insertions, 34 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e402f162eb81..538232586ee5 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1605,7 +1605,7 @@ static void tg3_power_down_phy(struct tg3 *tp)
                 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
                 udelay(40);
                 return;
-        } else {
+        } else if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
@@ -1687,18 +1687,22 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
         tw32(TG3PCI_MISC_HOST_CTRL,
              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
 
-        if (tp->link_config.phy_is_low_power == 0) {
+        if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
                 tp->link_config.phy_is_low_power = 1;
-                tp->link_config.orig_speed = tp->link_config.speed;
-                tp->link_config.orig_duplex = tp->link_config.duplex;
-                tp->link_config.orig_autoneg = tp->link_config.autoneg;
-        }
+        } else {
+                if (tp->link_config.phy_is_low_power == 0) {
+                        tp->link_config.phy_is_low_power = 1;
+                        tp->link_config.orig_speed = tp->link_config.speed;
+                        tp->link_config.orig_duplex = tp->link_config.duplex;
+                        tp->link_config.orig_autoneg = tp->link_config.autoneg;
+                }
 
-        if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
-                tp->link_config.speed = SPEED_10;
-                tp->link_config.duplex = DUPLEX_HALF;
-                tp->link_config.autoneg = AUTONEG_ENABLE;
-                tg3_setup_phy(tp, 0);
+                if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
+                        tp->link_config.speed = SPEED_10;
+                        tp->link_config.duplex = DUPLEX_HALF;
+                        tp->link_config.autoneg = AUTONEG_ENABLE;
+                        tg3_setup_phy(tp, 0);
+                }
         }
 
         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
@@ -1729,8 +1733,10 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
                 u32 mac_mode;
 
                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
-                        tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
-                        udelay(40);
+                        if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
+                                tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
+                                udelay(40);
+                        }
 
                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
@@ -3821,7 +3827,15 @@ static int tg3_poll_work(struct tg3 *tp, int work_done, int budget)
                         sblk->status = SD_STATUS_UPDATED |
                                 (sblk->status & ~SD_STATUS_LINK_CHG);
                         spin_lock(&tp->lock);
-                        tg3_setup_phy(tp, 0);
+                        if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
+                                tw32_f(MAC_STATUS,
+                                     (MAC_STATUS_SYNC_CHANGED |
+                                      MAC_STATUS_CFG_CHANGED |
+                                      MAC_STATUS_MI_COMPLETION |
+                                      MAC_STATUS_LNKSTATE_CHANGED));
+                                udelay(40);
+                        } else
+                                tg3_setup_phy(tp, 0);
                         spin_unlock(&tp->lock);
                 }
         }
@@ -6602,7 +6616,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
                 tg3_abort_hw(tp, 1);
         }
 
-        if (reset_phy)
+        if (reset_phy &&
+            !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB))
                 tg3_phy_reset(tp);
 
         err = tg3_chip_reset(tp);
@@ -7153,13 +7168,6 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
         tw32_f(MAC_RX_MODE, tp->rx_mode);
         udelay(10);
 
-        if (tp->link_config.phy_is_low_power) {
-                tp->link_config.phy_is_low_power = 0;
-                tp->link_config.speed = tp->link_config.orig_speed;
-                tp->link_config.duplex = tp->link_config.orig_duplex;
-                tp->link_config.autoneg = tp->link_config.orig_autoneg;
-        }
-
         tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
         tw32_f(MAC_MI_MODE, tp->mi_mode);
         udelay(80);
@@ -7210,19 +7218,28 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
         }
 
-        err = tg3_setup_phy(tp, 0);
-        if (err)
-                return err;
+        if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
+                if (tp->link_config.phy_is_low_power) {
+                        tp->link_config.phy_is_low_power = 0;
+                        tp->link_config.speed = tp->link_config.orig_speed;
+                        tp->link_config.duplex = tp->link_config.orig_duplex;
+                        tp->link_config.autoneg = tp->link_config.orig_autoneg;
+                }
 
-        if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
-            GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
-                u32 tmp;
+                err = tg3_setup_phy(tp, 0);
+                if (err)
+                        return err;
 
-                /* Clear CRC stats. */
-                if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
-                        tg3_writephy(tp, MII_TG3_TEST1,
-                                     tmp | MII_TG3_TEST1_CRC_EN);
-                        tg3_readphy(tp, 0x14, &tmp);
+                if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
+                    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
+                        u32 tmp;
+
+                        /* Clear CRC stats. */
+                        if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
+                                tg3_writephy(tp, MII_TG3_TEST1,
+                                             tmp | MII_TG3_TEST1_CRC_EN);
+                                tg3_readphy(tp, 0x14, &tmp);
+                        }
                 }
         }
 
@@ -9644,7 +9661,8 @@ static int tg3_test_loopback(struct tg3 *tp)
                 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
         }
 
-        if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
+        if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
+            !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
                         err |= TG3_PHY_LOOPBACK_FAILED;
         }
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 5643be55c1d1..a3598ed9f5fc 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2480,6 +2480,7 @@ struct tg3 {
 #define TG3_FLG3_ENABLE_APE             0x00000002
 #define TG3_FLG3_5761_5784_AX_FIXES     0x00000004
 #define TG3_FLG3_5701_DMA_BUG           0x00000008
+#define TG3_FLG3_USE_PHYLIB             0x00000010
 
         struct timer_list               timer;
         u16                             timer_counter;