e1000e: initial support for 82579 LOMs

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 43 insertions, 27 deletions

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index b4c431d84516..f296f6f32a36 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -67,6 +67,7 @@ static const struct e1000_info *e1000_info_tbl[] = {
         [board_ich9lan]         = &e1000_ich9_info,
         [board_ich10lan]        = &e1000_ich10_info,
         [board_pchlan]          = &e1000_pch_info,
+        [board_pch2lan]         = &e1000_pch2_info,
 };
 
 struct e1000_reg_info {
@@ -2723,6 +2724,16 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
                 e1e_wphy(hw, 22, phy_data);
         }
 
+        /* Workaround Si errata on 82579 - configure jumbo frame flow */
+        if (hw->mac.type == e1000_pch2lan) {
+                s32 ret_val;
+
+                if (rctl & E1000_RCTL_LPE)
+                        ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
+                else
+                        ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
+        }
+
         /* Setup buffer sizes */
         rctl &= ~E1000_RCTL_SZ_4096;
         rctl |= E1000_RCTL_BSEX;
@@ -3118,7 +3129,27 @@ void e1000e_reset(struct e1000_adapter *adapter)
          *   with ERT support assuming ERT set to E1000_ERT_2048), or
          * - the full Rx FIFO size minus one full frame
          */
-        if (hw->mac.type == e1000_pchlan) {
+        if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
+                fc->pause_time = 0xFFFF;
+        else
+                fc->pause_time = E1000_FC_PAUSE_TIME;
+        fc->send_xon = 1;
+        fc->current_mode = fc->requested_mode;
+
+        switch (hw->mac.type) {
+        default:
+                if ((adapter->flags & FLAG_HAS_ERT) &&
+                    (adapter->netdev->mtu > ETH_DATA_LEN))
+                        hwm = min(((pba << 10) * 9 / 10),
+                                  ((pba << 10) - (E1000_ERT_2048 << 3)));
+                else
+                        hwm = min(((pba << 10) * 9 / 10),
+                                  ((pba << 10) - adapter->max_frame_size));
+
+                fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
+                fc->low_water = fc->high_water - 8;
+                break;
+        case e1000_pchlan:
                 /*
                  * Workaround PCH LOM adapter hangs with certain network
                  * loads.  If hangs persist, try disabling Tx flow control.
@@ -3131,26 +3162,15 @@ void e1000e_reset(struct e1000_adapter *adapter)
                         fc->low_water  = 0x3000;
                 }
                 fc->refresh_time = 0x1000;
-        } else {
-                if ((adapter->flags & FLAG_HAS_ERT) &&
-                    (adapter->netdev->mtu > ETH_DATA_LEN))
-                        hwm = min(((pba << 10) * 9 / 10),
-                                  ((pba << 10) - (E1000_ERT_2048 << 3)));
-                else
-                        hwm = min(((pba << 10) * 9 / 10),
-                                  ((pba << 10) - adapter->max_frame_size));
-
-                fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
-                fc->low_water = fc->high_water - 8;
+                break;
+        case e1000_pch2lan:
+                fc->high_water = 0x05C20;
+                fc->low_water = 0x05048;
+                fc->pause_time = 0x0650;
+                fc->refresh_time = 0x0400;
+                break;
         }
 
-        if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
-                fc->pause_time = 0xFFFF;
-        else
-                fc->pause_time = E1000_FC_PAUSE_TIME;
-        fc->send_xon = 1;
-        fc->current_mode = fc->requested_mode;
-
         /* Allow time for pending master requests to run */
         mac->ops.reset_hw(hw);
 
@@ -4918,14 +4938,7 @@ static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
         int retval = 0;
 
         /* copy MAC RARs to PHY RARs */
-        for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) {
-                mac_reg = er32(RAL(i));
-                e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF));
-                e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF));
-                mac_reg = er32(RAH(i));
-                e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF));
-                e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF));
-        }
+        e1000_copy_rx_addrs_to_phy_ich8lan(hw);
 
         /* copy MAC MTA to PHY MTA */
         for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
@@ -5976,6 +5989,9 @@ static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
         { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
         { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
 
+        { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_LM), board_pch2lan },
+        { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_V), board_pch2lan },
+
         { }     /* terminate list */
 };
 MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);