diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/ich8lan.c')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ich8lan.c | 56 |
1 files changed, 33 insertions, 23 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 39e9fc601..f9e94be36 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -222,11 +222,18 @@ out: if (hw->mac.type >= e1000_pch_lpt) { /* Only unforce SMBus if ME is not active */ if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) { + /* Switching PHY interface always returns MDI error + * so disable retry mechanism to avoid wasting time + */ + e1000e_disable_phy_retry(hw); + /* Unforce SMBus mode in PHY */ e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg); phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS; e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg); + e1000e_enable_phy_retry(hw); + /* Unforce SMBus mode in MAC */ mac_reg = er32(CTRL_EXT); mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS; @@ -310,6 +317,11 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw) goto out; } + /* There is no guarantee that the PHY is accessible at this time + * so disable retry mechanism to avoid wasting time + */ + e1000e_disable_phy_retry(hw); + /* The MAC-PHY interconnect may be in SMBus mode. If the PHY is * inaccessible and resetting the PHY is not blocked, toggle the * LANPHYPC Value bit to force the interconnect to PCIe mode. @@ -380,6 +392,8 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw) break; } + e1000e_enable_phy_retry(hw); + hw->phy.ops.release(hw); if (!ret_val) { @@ -449,6 +463,11 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) phy->id = e1000_phy_unknown; + if (hw->mac.type == e1000_pch_mtp) { + phy->retry_count = 2; + e1000e_enable_phy_retry(hw); + } + ret_val = e1000_init_phy_workarounds_pchlan(hw); if (ret_val) return ret_val; @@ -1072,13 +1091,11 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link) lat_enc_d = (lat_enc & E1000_LTRV_VALUE_MASK) * (1U << (E1000_LTRV_SCALE_FACTOR * - ((lat_enc & E1000_LTRV_SCALE_MASK) - >> E1000_LTRV_SCALE_SHIFT))); + FIELD_GET(E1000_LTRV_SCALE_MASK, lat_enc))); max_ltr_enc_d = (max_ltr_enc & E1000_LTRV_VALUE_MASK) * - (1U << (E1000_LTRV_SCALE_FACTOR * - ((max_ltr_enc & E1000_LTRV_SCALE_MASK) - >> E1000_LTRV_SCALE_SHIFT))); + (1U << (E1000_LTRV_SCALE_FACTOR * + FIELD_GET(E1000_LTRV_SCALE_MASK, max_ltr_enc))); if (lat_enc_d > max_ltr_enc_d) lat_enc = max_ltr_enc; @@ -1148,18 +1165,6 @@ s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx) if (ret_val) goto out; - /* Force SMBus mode in PHY */ - ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg); - if (ret_val) - goto release; - phy_reg |= CV_SMB_CTRL_FORCE_SMBUS; - e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg); - - /* Force SMBus mode in MAC */ - mac_reg = er32(CTRL_EXT); - mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS; - ew32(CTRL_EXT, mac_reg); - /* Si workaround for ULP entry flow on i127/rev6 h/w. Enable * LPLU and disable Gig speed when entering ULP */ @@ -1315,6 +1320,11 @@ static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force) /* Toggle LANPHYPC Value bit */ e1000_toggle_lanphypc_pch_lpt(hw); + /* Switching PHY interface always returns MDI error + * so disable retry mechanism to avoid wasting time + */ + e1000e_disable_phy_retry(hw); + /* Unforce SMBus mode in PHY */ ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg); if (ret_val) { @@ -1335,6 +1345,8 @@ static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force) phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS; e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg); + e1000e_enable_phy_retry(hw); + /* Unforce SMBus mode in MAC */ mac_reg = er32(CTRL_EXT); mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS; @@ -2075,8 +2087,7 @@ static s32 e1000_write_smbus_addr(struct e1000_hw *hw) { u16 phy_data; u32 strap = er32(STRAP); - u32 freq = (strap & E1000_STRAP_SMT_FREQ_MASK) >> - E1000_STRAP_SMT_FREQ_SHIFT; + u32 freq = FIELD_GET(E1000_STRAP_SMT_FREQ_MASK, strap); s32 ret_val; strap &= E1000_STRAP_SMBUS_ADDRESS_MASK; @@ -2562,8 +2573,7 @@ void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw) hw->phy.ops.write_reg_page(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF)); hw->phy.ops.write_reg_page(hw, BM_RAR_CTRL(i), - (u16)((mac_reg & E1000_RAH_AV) - >> 16)); + (u16)((mac_reg & E1000_RAH_AV) >> 16)); } e1000_disable_phy_wakeup_reg_access_bm(hw, &phy_reg); @@ -3205,7 +3215,7 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) &nvm_dword); if (ret_val) return ret_val; - sig_byte = (u8)((nvm_dword & 0xFF00) >> 8); + sig_byte = FIELD_GET(0xFF00, nvm_dword); if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == E1000_ICH_NVM_SIG_VALUE) { *bank = 0; @@ -3218,7 +3228,7 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) &nvm_dword); if (ret_val) return ret_val; - sig_byte = (u8)((nvm_dword & 0xFF00) >> 8); + sig_byte = FIELD_GET(0xFF00, nvm_dword); if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) == E1000_ICH_NVM_SIG_VALUE) { *bank = 1; |