/**
* e1000e_reset - bring the hardware into a known good state
*
* This function boots the hardware and enables some settings that
* require a configuration cycle of the hardware - those cannot be
* set/changed during runtime. After reset the device needs to be
* properly configured for Rx, Tx etc.
*/
void e1000e_reset(struct e1000_adapter *adapter)
{
struct e1000_mac_info *mac = &adapter->hw.mac;
struct e1000_fc_info *fc = &adapter->hw.fc;
u32 pba = adapter->pba;
struct e1000_hw *hw = &adapter->hw;
/* Reset Packet Buffer Allocation to default */
ew32(PBA, pba);
hw->fc.requested_mode = e1000_fc_none;
fc->current_mode = fc->requested_mode;
/* Allow time for pending master requests to run */
mac->ops.reset_hw(hw);
/*
* For parts with AMT enabled, let the firmware know
* that the network interface is in control
*/
if (adapter->flags & FLAG_HAS_AMT)
e1000e_get_hw_control(adapter);
ew32(WUC, 0);
if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP)
e1e_wphy(&adapter->hw, BM_WUC, 0);
if (mac->ops.init_hw(hw))
DBG("Hardware Error\n");
/* additional part of the flow-control workaround above */
if (hw->mac.type == e1000_pchlan)
ew32(FCRTV_PCH, 0x1000);
e1000e_reset_adaptive(hw);
e1000e_get_phy_info(hw);
if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
!(adapter->flags & FLAG_SMART_POWER_DOWN)) {
u16 phy_data = 0;
/*
* speed up time to link by disabling smart power down, ignore
* the return value of this function because there is nothing
* different we would do if it failed
*/
e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
phy_data &= ~IGP02E1000_PM_SPD;
e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
}
}
void IntelMausi::intelEnable()
{
struct e1000_hw *hw = &adapterData.hw;
e1000_phy_hw_reset(hw);
if (hw->mac.type >= e1000_pch2lan)
e1000_resume_workarounds_pchlan(hw);
e1000e_power_up_phy(&adapterData);
//intelInitManageabilityPt(&adapterData);
/* If AMT is enabled, let the firmware know that the network
* interface is now open and reset the part to a known state.
*/
if (adapterData.flags & FLAG_HAS_AMT) {
e1000e_get_hw_control(&adapterData);
}
intelReset(&adapterData);
#if DISABLED_CODE
/* DMA latency requirement to workaround jumbo issue */
pm_qos_add_request(&adapter->netdev->pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
PM_QOS_DEFAULT_VALUE);
#endif /* DISABLED_CODE */
intelConfigure(&adapterData);
/* From here on the code is the same as e1000e_up() */
clear_bit(__E1000_DOWN, &adapterData.state);
intelEnableIRQ(intrMask);
adapterData.tx_hang_recheck = false;
hw->mac.get_link_status = true;
}
