diff options
Diffstat (limited to 'drivers/net/e1000/e1000_hw.c')
| -rw-r--r-- | drivers/net/e1000/e1000_hw.c | 67 |
1 files changed, 48 insertions, 19 deletions
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index a267c5235fc..136fc031e4a 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -563,11 +563,13 @@ e1000_reset_hw(struct e1000_hw *hw) msec_delay(20); break; case e1000_82573: - udelay(10); - ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); - ctrl_ext |= E1000_CTRL_EXT_EE_RST; - E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); - E1000_WRITE_FLUSH(hw); + if (e1000_is_onboard_nvm_eeprom(hw) == FALSE) { + udelay(10); + ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + ctrl_ext |= E1000_CTRL_EXT_EE_RST; + E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); + E1000_WRITE_FLUSH(hw); + } /* fall through */ case e1000_82571: case e1000_82572: @@ -844,19 +846,27 @@ e1000_setup_link(struct e1000_hw *hw) * control setting, then the variable hw->fc will * be initialized based on a value in the EEPROM. */ - if(e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data)) { - DEBUGOUT("EEPROM Read Error\n"); - return -E1000_ERR_EEPROM; - } - - if(hw->fc == e1000_fc_default) { - if((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0) - hw->fc = e1000_fc_none; - else if((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == - EEPROM_WORD0F_ASM_DIR) - hw->fc = e1000_fc_tx_pause; - else + if (hw->fc == e1000_fc_default) { + switch (hw->mac_type) { + case e1000_82573: hw->fc = e1000_fc_full; + break; + default: + ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG, + 1, &eeprom_data); + if (ret_val) { + DEBUGOUT("EEPROM Read Error\n"); + return -E1000_ERR_EEPROM; + } + if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0) + hw->fc = e1000_fc_none; + else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == + EEPROM_WORD0F_ASM_DIR) + hw->fc = e1000_fc_tx_pause; + else + hw->fc = e1000_fc_full; + break; + } } /* We want to save off the original Flow Control configuration just @@ -2962,13 +2972,22 @@ e1000_phy_hw_reset(struct e1000_hw *hw) if(hw->mac_type > e1000_82543) { /* Read the device control register and assert the E1000_CTRL_PHY_RST * bit. Then, take it out of reset. + * For pre-e1000_82571 hardware, we delay for 10ms between the assert + * and deassert. For e1000_82571 hardware and later, we instead delay + * for 10ms after the deassertion. */ ctrl = E1000_READ_REG(hw, CTRL); E1000_WRITE_REG(hw, CTRL, ctrl | E1000_CTRL_PHY_RST); E1000_WRITE_FLUSH(hw); - msec_delay(10); + + if (hw->mac_type < e1000_82571) + msec_delay(10); + E1000_WRITE_REG(hw, CTRL, ctrl); E1000_WRITE_FLUSH(hw); + + if (hw->mac_type >= e1000_82571) + msec_delay(10); } else { /* Read the Extended Device Control Register, assert the PHY_RESET_DIR * bit to put the PHY into reset. Then, take it out of reset. @@ -5278,11 +5297,15 @@ e1000_get_bus_info(struct e1000_hw *hw) hw->bus_speed = e1000_bus_speed_unknown; hw->bus_width = e1000_bus_width_unknown; break; - case e1000_82571: case e1000_82572: case e1000_82573: hw->bus_type = e1000_bus_type_pci_express; hw->bus_speed = e1000_bus_speed_2500; + hw->bus_width = e1000_bus_width_pciex_1; + break; + case e1000_82571: + hw->bus_type = e1000_bus_type_pci_express; + hw->bus_speed = e1000_bus_speed_2500; hw->bus_width = e1000_bus_width_pciex_4; break; default: @@ -6650,6 +6673,12 @@ e1000_get_auto_rd_done(struct e1000_hw *hw) break; } + /* PHY configuration from NVM just starts after EECD_AUTO_RD sets to high. + * Need to wait for PHY configuration completion before accessing NVM + * and PHY. */ + if (hw->mac_type == e1000_82573) + msec_delay(25); + return E1000_SUCCESS; } |