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e1000e: initial support for 82579 LOMs

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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>
This commit is contained in:
Bruce Allan
2010-06-16 13:27:28 +00:00
committed by David S. Miller
parent eb7700dc03
commit d3738bb820
7 changed files with 386 additions and 46 deletions
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70
drivers/net/e1000e/netdev.c
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@@ -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);