aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/e1000e
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/e1000e')
-rw-r--r--drivers/net/e1000e/ich8lan.c47
1 files changed, 39 insertions, 8 deletions
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 63930d12711c..822de4830c67 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -125,6 +125,7 @@
125 125
126/* SMBus Address Phy Register */ 126/* SMBus Address Phy Register */
127#define HV_SMB_ADDR PHY_REG(768, 26) 127#define HV_SMB_ADDR PHY_REG(768, 26)
128#define HV_SMB_ADDR_MASK 0x007F
128#define HV_SMB_ADDR_PEC_EN 0x0200 129#define HV_SMB_ADDR_PEC_EN 0x0200
129#define HV_SMB_ADDR_VALID 0x0080 130#define HV_SMB_ADDR_VALID 0x0080
130 131
@@ -895,6 +896,34 @@ static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw)
895} 896}
896 897
897/** 898/**
899 * e1000_write_smbus_addr - Write SMBus address to PHY needed during Sx states
900 * @hw: pointer to the HW structure
901 *
902 * Assumes semaphore already acquired.
903 *
904 **/
905static s32 e1000_write_smbus_addr(struct e1000_hw *hw)
906{
907 u16 phy_data;
908 u32 strap = er32(STRAP);
909 s32 ret_val = 0;
910
911 strap &= E1000_STRAP_SMBUS_ADDRESS_MASK;
912
913 ret_val = e1000_read_phy_reg_hv_locked(hw, HV_SMB_ADDR, &phy_data);
914 if (ret_val)
915 goto out;
916
917 phy_data &= ~HV_SMB_ADDR_MASK;
918 phy_data |= (strap >> E1000_STRAP_SMBUS_ADDRESS_SHIFT);
919 phy_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID;
920 ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, phy_data);
921
922out:
923 return ret_val;
924}
925
926/**
898 * e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration 927 * e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration
899 * @hw: pointer to the HW structure 928 * @hw: pointer to the HW structure
900 * 929 *
@@ -970,12 +999,7 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
970 * When both NVM bits are cleared, SW will configure 999 * When both NVM bits are cleared, SW will configure
971 * them instead. 1000 * them instead.
972 */ 1001 */
973 data = er32(STRAP); 1002 ret_val = e1000_write_smbus_addr(hw);
974 data &= E1000_STRAP_SMBUS_ADDRESS_MASK;
975 reg_data = data >> E1000_STRAP_SMBUS_ADDRESS_SHIFT;
976 reg_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID;
977 ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR,
978 reg_data);
979 if (ret_val) 1003 if (ret_val)
980 goto out; 1004 goto out;
981 1005
@@ -3460,13 +3484,20 @@ void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw)
3460void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw) 3484void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw)
3461{ 3485{
3462 u32 phy_ctrl; 3486 u32 phy_ctrl;
3487 s32 ret_val;
3463 3488
3464 phy_ctrl = er32(PHY_CTRL); 3489 phy_ctrl = er32(PHY_CTRL);
3465 phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU | E1000_PHY_CTRL_GBE_DISABLE; 3490 phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU | E1000_PHY_CTRL_GBE_DISABLE;
3466 ew32(PHY_CTRL, phy_ctrl); 3491 ew32(PHY_CTRL, phy_ctrl);
3467 3492
3468 if (hw->mac.type >= e1000_pchlan) 3493 if (hw->mac.type >= e1000_pchlan) {
3469 e1000_phy_hw_reset_ich8lan(hw); 3494 e1000_oem_bits_config_ich8lan(hw, true);
3495 ret_val = hw->phy.ops.acquire(hw);
3496 if (ret_val)
3497 return;
3498 e1000_write_smbus_addr(hw);
3499 hw->phy.ops.release(hw);
3500 }
3470} 3501}
3471 3502
3472/** 3503/**