David Ertman | e78b80b | 2014-02-04 01:56:06 +0000 | [diff] [blame] | 1 | /* Intel PRO/1000 Linux driver |
Yanir Lubetkin | 529498c | 2015-06-02 17:05:50 +0300 | [diff] [blame] | 2 | * Copyright(c) 1999 - 2015 Intel Corporation. |
David Ertman | e78b80b | 2014-02-04 01:56:06 +0000 | [diff] [blame] | 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms and conditions of the GNU General Public License, |
| 6 | * version 2, as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 11 | * more details. |
| 12 | * |
| 13 | * The full GNU General Public License is included in this distribution in |
| 14 | * the file called "COPYING". |
| 15 | * |
| 16 | * Contact Information: |
| 17 | * Linux NICS <linux.nics@intel.com> |
| 18 | * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 19 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 20 | */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 21 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 22 | /* 82571EB Gigabit Ethernet Controller |
Bruce Allan | 1605927 | 2008-11-21 16:51:06 -0800 | [diff] [blame] | 23 | * 82571EB Gigabit Ethernet Controller (Copper) |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 24 | * 82571EB Gigabit Ethernet Controller (Fiber) |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 25 | * 82571EB Dual Port Gigabit Mezzanine Adapter |
| 26 | * 82571EB Quad Port Gigabit Mezzanine Adapter |
| 27 | * 82571PT Gigabit PT Quad Port Server ExpressModule |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 28 | * 82572EI Gigabit Ethernet Controller (Copper) |
| 29 | * 82572EI Gigabit Ethernet Controller (Fiber) |
| 30 | * 82572EI Gigabit Ethernet Controller |
| 31 | * 82573V Gigabit Ethernet Controller (Copper) |
| 32 | * 82573E Gigabit Ethernet Controller (Copper) |
| 33 | * 82573L Gigabit Ethernet Controller |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 34 | * 82574L Gigabit Network Connection |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 35 | * 82583V Gigabit Network Connection |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 36 | */ |
| 37 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 38 | #include "e1000.h" |
| 39 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 40 | static s32 e1000_get_phy_id_82571(struct e1000_hw *hw); |
| 41 | static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw); |
| 42 | static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 43 | static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 44 | static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset, |
| 45 | u16 words, u16 *data); |
| 46 | static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw); |
| 47 | static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 48 | static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw); |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 49 | static bool e1000_check_mng_mode_82574(struct e1000_hw *hw); |
| 50 | static s32 e1000_led_on_82574(struct e1000_hw *hw); |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 51 | static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw); |
Bruce Allan | 17f208d | 2009-12-01 15:47:22 +0000 | [diff] [blame] | 52 | static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw); |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 53 | static void e1000_put_hw_semaphore_82573(struct e1000_hw *hw); |
| 54 | static s32 e1000_get_hw_semaphore_82574(struct e1000_hw *hw); |
| 55 | static void e1000_put_hw_semaphore_82574(struct e1000_hw *hw); |
Bruce Allan | 77996d1 | 2011-01-06 14:29:53 +0000 | [diff] [blame] | 56 | static s32 e1000_set_d0_lplu_state_82574(struct e1000_hw *hw, bool active); |
| 57 | static s32 e1000_set_d3_lplu_state_82574(struct e1000_hw *hw, bool active); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 58 | |
| 59 | /** |
| 60 | * e1000_init_phy_params_82571 - Init PHY func ptrs. |
| 61 | * @hw: pointer to the HW structure |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 62 | **/ |
| 63 | static s32 e1000_init_phy_params_82571(struct e1000_hw *hw) |
| 64 | { |
| 65 | struct e1000_phy_info *phy = &hw->phy; |
| 66 | s32 ret_val; |
| 67 | |
Jeff Kirsher | 318a94d | 2008-03-28 09:15:16 -0700 | [diff] [blame] | 68 | if (hw->phy.media_type != e1000_media_type_copper) { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 69 | phy->type = e1000_phy_none; |
| 70 | return 0; |
| 71 | } |
| 72 | |
Bruce Allan | e80bd1d | 2013-05-01 01:19:46 +0000 | [diff] [blame] | 73 | phy->addr = 1; |
| 74 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; |
| 75 | phy->reset_delay_us = 100; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 76 | |
Bruce Allan | e80bd1d | 2013-05-01 01:19:46 +0000 | [diff] [blame] | 77 | phy->ops.power_up = e1000_power_up_phy_copper; |
| 78 | phy->ops.power_down = e1000_power_down_phy_copper_82571; |
Bruce Allan | 17f208d | 2009-12-01 15:47:22 +0000 | [diff] [blame] | 79 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 80 | switch (hw->mac.type) { |
| 81 | case e1000_82571: |
| 82 | case e1000_82572: |
Bruce Allan | e80bd1d | 2013-05-01 01:19:46 +0000 | [diff] [blame] | 83 | phy->type = e1000_phy_igp_2; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 84 | break; |
| 85 | case e1000_82573: |
Bruce Allan | e80bd1d | 2013-05-01 01:19:46 +0000 | [diff] [blame] | 86 | phy->type = e1000_phy_m88; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 87 | break; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 88 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 89 | case e1000_82583: |
Bruce Allan | e80bd1d | 2013-05-01 01:19:46 +0000 | [diff] [blame] | 90 | phy->type = e1000_phy_bm; |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 91 | phy->ops.acquire = e1000_get_hw_semaphore_82574; |
| 92 | phy->ops.release = e1000_put_hw_semaphore_82574; |
Bruce Allan | 77996d1 | 2011-01-06 14:29:53 +0000 | [diff] [blame] | 93 | phy->ops.set_d0_lplu_state = e1000_set_d0_lplu_state_82574; |
| 94 | phy->ops.set_d3_lplu_state = e1000_set_d3_lplu_state_82574; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 95 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 96 | default: |
| 97 | return -E1000_ERR_PHY; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | /* This can only be done after all function pointers are setup. */ |
| 101 | ret_val = e1000_get_phy_id_82571(hw); |
Bruce Allan | dd93f95 | 2011-01-06 14:29:48 +0000 | [diff] [blame] | 102 | if (ret_val) { |
| 103 | e_dbg("Error getting PHY ID\n"); |
| 104 | return ret_val; |
| 105 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 106 | |
| 107 | /* Verify phy id */ |
| 108 | switch (hw->mac.type) { |
| 109 | case e1000_82571: |
| 110 | case e1000_82572: |
| 111 | if (phy->id != IGP01E1000_I_PHY_ID) |
Bruce Allan | dd93f95 | 2011-01-06 14:29:48 +0000 | [diff] [blame] | 112 | ret_val = -E1000_ERR_PHY; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 113 | break; |
| 114 | case e1000_82573: |
| 115 | if (phy->id != M88E1111_I_PHY_ID) |
Bruce Allan | dd93f95 | 2011-01-06 14:29:48 +0000 | [diff] [blame] | 116 | ret_val = -E1000_ERR_PHY; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 117 | break; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 118 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 119 | case e1000_82583: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 120 | if (phy->id != BME1000_E_PHY_ID_R2) |
Bruce Allan | dd93f95 | 2011-01-06 14:29:48 +0000 | [diff] [blame] | 121 | ret_val = -E1000_ERR_PHY; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 122 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 123 | default: |
Bruce Allan | dd93f95 | 2011-01-06 14:29:48 +0000 | [diff] [blame] | 124 | ret_val = -E1000_ERR_PHY; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 125 | break; |
| 126 | } |
| 127 | |
Bruce Allan | dd93f95 | 2011-01-06 14:29:48 +0000 | [diff] [blame] | 128 | if (ret_val) |
| 129 | e_dbg("PHY ID unknown: type = 0x%08x\n", phy->id); |
| 130 | |
| 131 | return ret_val; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 132 | } |
| 133 | |
| 134 | /** |
| 135 | * e1000_init_nvm_params_82571 - Init NVM func ptrs. |
| 136 | * @hw: pointer to the HW structure |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 137 | **/ |
| 138 | static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw) |
| 139 | { |
| 140 | struct e1000_nvm_info *nvm = &hw->nvm; |
| 141 | u32 eecd = er32(EECD); |
| 142 | u16 size; |
| 143 | |
| 144 | nvm->opcode_bits = 8; |
| 145 | nvm->delay_usec = 1; |
| 146 | switch (nvm->override) { |
| 147 | case e1000_nvm_override_spi_large: |
| 148 | nvm->page_size = 32; |
| 149 | nvm->address_bits = 16; |
| 150 | break; |
| 151 | case e1000_nvm_override_spi_small: |
| 152 | nvm->page_size = 8; |
| 153 | nvm->address_bits = 8; |
| 154 | break; |
| 155 | default: |
| 156 | nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8; |
| 157 | nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ? 16 : 8; |
| 158 | break; |
| 159 | } |
| 160 | |
| 161 | switch (hw->mac.type) { |
| 162 | case e1000_82573: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 163 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 164 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 165 | if (((eecd >> 15) & 0x3) == 0x3) { |
| 166 | nvm->type = e1000_nvm_flash_hw; |
| 167 | nvm->word_size = 2048; |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 168 | /* Autonomous Flash update bit must be cleared due |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 169 | * to Flash update issue. |
| 170 | */ |
| 171 | eecd &= ~E1000_EECD_AUPDEN; |
| 172 | ew32(EECD, eecd); |
| 173 | break; |
| 174 | } |
| 175 | /* Fall Through */ |
| 176 | default: |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 177 | nvm->type = e1000_nvm_eeprom_spi; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 178 | size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >> |
Bruce Allan | 17e813e | 2013-02-20 04:06:01 +0000 | [diff] [blame] | 179 | E1000_EECD_SIZE_EX_SHIFT); |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 180 | /* Added to a constant, "size" becomes the left-shift value |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 181 | * for setting word_size. |
| 182 | */ |
| 183 | size += NVM_WORD_SIZE_BASE_SHIFT; |
Jeff Kirsher | 8d7c294 | 2008-04-02 13:48:07 -0700 | [diff] [blame] | 184 | |
| 185 | /* EEPROM access above 16k is unsupported */ |
| 186 | if (size > 14) |
| 187 | size = 14; |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 188 | nvm->word_size = BIT(size); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 189 | break; |
| 190 | } |
| 191 | |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 192 | /* Function Pointers */ |
| 193 | switch (hw->mac.type) { |
| 194 | case e1000_82574: |
| 195 | case e1000_82583: |
| 196 | nvm->ops.acquire = e1000_get_hw_semaphore_82574; |
| 197 | nvm->ops.release = e1000_put_hw_semaphore_82574; |
| 198 | break; |
| 199 | default: |
| 200 | break; |
| 201 | } |
| 202 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 203 | return 0; |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * e1000_init_mac_params_82571 - Init MAC func ptrs. |
| 208 | * @hw: pointer to the HW structure |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 209 | **/ |
Bruce Allan | ec34c17 | 2012-02-01 10:53:05 +0000 | [diff] [blame] | 210 | static s32 e1000_init_mac_params_82571(struct e1000_hw *hw) |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 211 | { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 212 | struct e1000_mac_info *mac = &hw->mac; |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 213 | u32 swsm = 0; |
| 214 | u32 swsm2 = 0; |
| 215 | bool force_clear_smbi = false; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 216 | |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 217 | /* Set media type and media-dependent function pointers */ |
Bruce Allan | ec34c17 | 2012-02-01 10:53:05 +0000 | [diff] [blame] | 218 | switch (hw->adapter->pdev->device) { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 219 | case E1000_DEV_ID_82571EB_FIBER: |
| 220 | case E1000_DEV_ID_82572EI_FIBER: |
| 221 | case E1000_DEV_ID_82571EB_QUAD_FIBER: |
Jeff Kirsher | 318a94d | 2008-03-28 09:15:16 -0700 | [diff] [blame] | 222 | hw->phy.media_type = e1000_media_type_fiber; |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 223 | mac->ops.setup_physical_interface = |
| 224 | e1000_setup_fiber_serdes_link_82571; |
| 225 | mac->ops.check_for_link = e1000e_check_for_fiber_link; |
| 226 | mac->ops.get_link_up_info = |
| 227 | e1000e_get_speed_and_duplex_fiber_serdes; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 228 | break; |
| 229 | case E1000_DEV_ID_82571EB_SERDES: |
Auke Kok | 040babf | 2007-10-31 15:22:05 -0700 | [diff] [blame] | 230 | case E1000_DEV_ID_82571EB_SERDES_DUAL: |
| 231 | case E1000_DEV_ID_82571EB_SERDES_QUAD: |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 232 | case E1000_DEV_ID_82572EI_SERDES: |
Jeff Kirsher | 318a94d | 2008-03-28 09:15:16 -0700 | [diff] [blame] | 233 | hw->phy.media_type = e1000_media_type_internal_serdes; |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 234 | mac->ops.setup_physical_interface = |
| 235 | e1000_setup_fiber_serdes_link_82571; |
| 236 | mac->ops.check_for_link = e1000_check_for_serdes_link_82571; |
| 237 | mac->ops.get_link_up_info = |
| 238 | e1000e_get_speed_and_duplex_fiber_serdes; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 239 | break; |
| 240 | default: |
Jeff Kirsher | 318a94d | 2008-03-28 09:15:16 -0700 | [diff] [blame] | 241 | hw->phy.media_type = e1000_media_type_copper; |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 242 | mac->ops.setup_physical_interface = |
| 243 | e1000_setup_copper_link_82571; |
| 244 | mac->ops.check_for_link = e1000e_check_for_copper_link; |
| 245 | mac->ops.get_link_up_info = e1000e_get_speed_and_duplex_copper; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 246 | break; |
| 247 | } |
| 248 | |
| 249 | /* Set mta register count */ |
| 250 | mac->mta_reg_count = 128; |
| 251 | /* Set rar entry count */ |
| 252 | mac->rar_entry_count = E1000_RAR_ENTRIES; |
Bruce Allan | f464ba8 | 2010-01-07 16:31:35 +0000 | [diff] [blame] | 253 | /* Adaptive IFS supported */ |
| 254 | mac->adaptive_ifs = true; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 255 | |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 256 | /* MAC-specific function pointers */ |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 257 | switch (hw->mac.type) { |
Bruce Allan | f4d2dd4 | 2010-01-13 02:05:18 +0000 | [diff] [blame] | 258 | case e1000_82573: |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 259 | mac->ops.set_lan_id = e1000_set_lan_id_single_port; |
| 260 | mac->ops.check_mng_mode = e1000e_check_mng_mode_generic; |
| 261 | mac->ops.led_on = e1000e_led_on_generic; |
| 262 | mac->ops.blink_led = e1000e_blink_led_generic; |
Bruce Allan | a65a4a0 | 2010-05-10 15:01:51 +0000 | [diff] [blame] | 263 | |
| 264 | /* FWSM register */ |
| 265 | mac->has_fwsm = true; |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 266 | /* ARC supported; valid only if manageability features are |
Bruce Allan | a65a4a0 | 2010-05-10 15:01:51 +0000 | [diff] [blame] | 267 | * enabled. |
| 268 | */ |
Bruce Allan | 04499ec | 2012-04-13 00:08:31 +0000 | [diff] [blame] | 269 | mac->arc_subsystem_valid = !!(er32(FWSM) & |
| 270 | E1000_FWSM_MODE_MASK); |
Bruce Allan | f4d2dd4 | 2010-01-13 02:05:18 +0000 | [diff] [blame] | 271 | break; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 272 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 273 | case e1000_82583: |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 274 | mac->ops.set_lan_id = e1000_set_lan_id_single_port; |
| 275 | mac->ops.check_mng_mode = e1000_check_mng_mode_82574; |
| 276 | mac->ops.led_on = e1000_led_on_82574; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 277 | break; |
| 278 | default: |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 279 | mac->ops.check_mng_mode = e1000e_check_mng_mode_generic; |
| 280 | mac->ops.led_on = e1000e_led_on_generic; |
| 281 | mac->ops.blink_led = e1000e_blink_led_generic; |
Bruce Allan | a65a4a0 | 2010-05-10 15:01:51 +0000 | [diff] [blame] | 282 | |
| 283 | /* FWSM register */ |
| 284 | mac->has_fwsm = true; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 285 | break; |
| 286 | } |
| 287 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 288 | /* Ensure that the inter-port SWSM.SMBI lock bit is clear before |
Uwe Kleine-König | b595076 | 2010-11-01 15:38:34 -0400 | [diff] [blame] | 289 | * first NVM or PHY access. This should be done for single-port |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 290 | * devices, and for one port only on dual-port devices so that |
| 291 | * for those devices we can still use the SMBI lock to synchronize |
| 292 | * inter-port accesses to the PHY & NVM. |
| 293 | */ |
| 294 | switch (hw->mac.type) { |
| 295 | case e1000_82571: |
| 296 | case e1000_82572: |
| 297 | swsm2 = er32(SWSM2); |
| 298 | |
| 299 | if (!(swsm2 & E1000_SWSM2_LOCK)) { |
| 300 | /* Only do this for the first interface on this card */ |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 301 | ew32(SWSM2, swsm2 | E1000_SWSM2_LOCK); |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 302 | force_clear_smbi = true; |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 303 | } else { |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 304 | force_clear_smbi = false; |
Bruce Allan | 66092f5 | 2012-01-31 06:37:48 +0000 | [diff] [blame] | 305 | } |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 306 | break; |
| 307 | default: |
| 308 | force_clear_smbi = true; |
| 309 | break; |
| 310 | } |
| 311 | |
| 312 | if (force_clear_smbi) { |
| 313 | /* Make sure SWSM.SMBI is clear */ |
| 314 | swsm = er32(SWSM); |
| 315 | if (swsm & E1000_SWSM_SMBI) { |
| 316 | /* This bit should not be set on a first interface, and |
| 317 | * indicates that the bootagent or EFI code has |
| 318 | * improperly left this bit enabled |
| 319 | */ |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 320 | e_dbg("Please update your 82571 Bootagent\n"); |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 321 | } |
| 322 | ew32(SWSM, swsm & ~E1000_SWSM_SMBI); |
| 323 | } |
| 324 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 325 | /* Initialize device specific counter of SMBI acquisition timeouts. */ |
| 326 | hw->dev_spec.e82571.smb_counter = 0; |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 327 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 328 | return 0; |
| 329 | } |
| 330 | |
Jeff Kirsher | 69e3fd8 | 2008-04-02 13:48:18 -0700 | [diff] [blame] | 331 | static s32 e1000_get_variants_82571(struct e1000_adapter *adapter) |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 332 | { |
| 333 | struct e1000_hw *hw = &adapter->hw; |
Bruce Allan | e80bd1d | 2013-05-01 01:19:46 +0000 | [diff] [blame] | 334 | static int global_quad_port_a; /* global port a indication */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 335 | struct pci_dev *pdev = adapter->pdev; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 336 | int is_port_b = er32(STATUS) & E1000_STATUS_FUNC_1; |
| 337 | s32 rc; |
| 338 | |
Bruce Allan | ec34c17 | 2012-02-01 10:53:05 +0000 | [diff] [blame] | 339 | rc = e1000_init_mac_params_82571(hw); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 340 | if (rc) |
| 341 | return rc; |
| 342 | |
| 343 | rc = e1000_init_nvm_params_82571(hw); |
| 344 | if (rc) |
| 345 | return rc; |
| 346 | |
| 347 | rc = e1000_init_phy_params_82571(hw); |
| 348 | if (rc) |
| 349 | return rc; |
| 350 | |
| 351 | /* tag quad port adapters first, it's used below */ |
| 352 | switch (pdev->device) { |
| 353 | case E1000_DEV_ID_82571EB_QUAD_COPPER: |
| 354 | case E1000_DEV_ID_82571EB_QUAD_FIBER: |
| 355 | case E1000_DEV_ID_82571EB_QUAD_COPPER_LP: |
Auke Kok | 040babf | 2007-10-31 15:22:05 -0700 | [diff] [blame] | 356 | case E1000_DEV_ID_82571PT_QUAD_COPPER: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 357 | adapter->flags |= FLAG_IS_QUAD_PORT; |
| 358 | /* mark the first port */ |
| 359 | if (global_quad_port_a == 0) |
| 360 | adapter->flags |= FLAG_IS_QUAD_PORT_A; |
| 361 | /* Reset for multiple quad port adapters */ |
| 362 | global_quad_port_a++; |
| 363 | if (global_quad_port_a == 4) |
| 364 | global_quad_port_a = 0; |
| 365 | break; |
| 366 | default: |
| 367 | break; |
| 368 | } |
| 369 | |
| 370 | switch (adapter->hw.mac.type) { |
| 371 | case e1000_82571: |
| 372 | /* these dual ports don't have WoL on port B at all */ |
| 373 | if (((pdev->device == E1000_DEV_ID_82571EB_FIBER) || |
| 374 | (pdev->device == E1000_DEV_ID_82571EB_SERDES) || |
| 375 | (pdev->device == E1000_DEV_ID_82571EB_COPPER)) && |
| 376 | (is_port_b)) |
| 377 | adapter->flags &= ~FLAG_HAS_WOL; |
| 378 | /* quad ports only support WoL on port A */ |
| 379 | if (adapter->flags & FLAG_IS_QUAD_PORT && |
Roel Kluin | 6e4ca80 | 2007-10-29 10:50:05 -0700 | [diff] [blame] | 380 | (!(adapter->flags & FLAG_IS_QUAD_PORT_A))) |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 381 | adapter->flags &= ~FLAG_HAS_WOL; |
Auke Kok | 040babf | 2007-10-31 15:22:05 -0700 | [diff] [blame] | 382 | /* Does not support WoL on any port */ |
| 383 | if (pdev->device == E1000_DEV_ID_82571EB_SERDES_QUAD) |
| 384 | adapter->flags &= ~FLAG_HAS_WOL; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 385 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 386 | case e1000_82573: |
| 387 | if (pdev->device == E1000_DEV_ID_82573L) { |
Bruce Allan | 6f461f6 | 2010-04-27 03:33:04 +0000 | [diff] [blame] | 388 | adapter->flags |= FLAG_HAS_JUMBO_FRAMES; |
| 389 | adapter->max_hw_frame_size = DEFAULT_JUMBO; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 390 | } |
| 391 | break; |
| 392 | default: |
| 393 | break; |
| 394 | } |
| 395 | |
| 396 | return 0; |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | * e1000_get_phy_id_82571 - Retrieve the PHY ID and revision |
| 401 | * @hw: pointer to the HW structure |
| 402 | * |
| 403 | * Reads the PHY registers and stores the PHY ID and possibly the PHY |
| 404 | * revision in the hardware structure. |
| 405 | **/ |
| 406 | static s32 e1000_get_phy_id_82571(struct e1000_hw *hw) |
| 407 | { |
| 408 | struct e1000_phy_info *phy = &hw->phy; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 409 | s32 ret_val; |
| 410 | u16 phy_id = 0; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 411 | |
| 412 | switch (hw->mac.type) { |
| 413 | case e1000_82571: |
| 414 | case e1000_82572: |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 415 | /* The 82571 firmware may still be configuring the PHY. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 416 | * In this case, we cannot access the PHY until the |
| 417 | * configuration is done. So we explicitly set the |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 418 | * PHY ID. |
| 419 | */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 420 | phy->id = IGP01E1000_I_PHY_ID; |
| 421 | break; |
| 422 | case e1000_82573: |
| 423 | return e1000e_get_phy_id(hw); |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 424 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 425 | case e1000_82583: |
Bruce Allan | c2ade1a | 2013-01-16 08:54:35 +0000 | [diff] [blame] | 426 | ret_val = e1e_rphy(hw, MII_PHYSID1, &phy_id); |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 427 | if (ret_val) |
| 428 | return ret_val; |
| 429 | |
| 430 | phy->id = (u32)(phy_id << 16); |
Bruce Allan | ce43a21 | 2013-02-20 04:06:32 +0000 | [diff] [blame] | 431 | usleep_range(20, 40); |
Bruce Allan | c2ade1a | 2013-01-16 08:54:35 +0000 | [diff] [blame] | 432 | ret_val = e1e_rphy(hw, MII_PHYSID2, &phy_id); |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 433 | if (ret_val) |
| 434 | return ret_val; |
| 435 | |
| 436 | phy->id |= (u32)(phy_id); |
| 437 | phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); |
| 438 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 439 | default: |
| 440 | return -E1000_ERR_PHY; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 441 | } |
| 442 | |
| 443 | return 0; |
| 444 | } |
| 445 | |
| 446 | /** |
| 447 | * e1000_get_hw_semaphore_82571 - Acquire hardware semaphore |
| 448 | * @hw: pointer to the HW structure |
| 449 | * |
| 450 | * Acquire the HW semaphore to access the PHY or NVM |
| 451 | **/ |
| 452 | static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw) |
| 453 | { |
| 454 | u32 swsm; |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 455 | s32 sw_timeout = hw->nvm.word_size + 1; |
| 456 | s32 fw_timeout = hw->nvm.word_size + 1; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 457 | s32 i = 0; |
| 458 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 459 | /* If we have timedout 3 times on trying to acquire |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 460 | * the inter-port SMBI semaphore, there is old code |
| 461 | * operating on the other port, and it is not |
| 462 | * releasing SMBI. Modify the number of times that |
| 463 | * we try for the semaphore to interwork with this |
| 464 | * older code. |
| 465 | */ |
| 466 | if (hw->dev_spec.e82571.smb_counter > 2) |
| 467 | sw_timeout = 1; |
| 468 | |
| 469 | /* Get the SW semaphore */ |
| 470 | while (i < sw_timeout) { |
| 471 | swsm = er32(SWSM); |
| 472 | if (!(swsm & E1000_SWSM_SMBI)) |
| 473 | break; |
| 474 | |
Bruce Allan | ce43a21 | 2013-02-20 04:06:32 +0000 | [diff] [blame] | 475 | usleep_range(50, 100); |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 476 | i++; |
| 477 | } |
| 478 | |
| 479 | if (i == sw_timeout) { |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 480 | e_dbg("Driver can't access device - SMBI bit is set.\n"); |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 481 | hw->dev_spec.e82571.smb_counter++; |
| 482 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 483 | /* Get the FW semaphore. */ |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 484 | for (i = 0; i < fw_timeout; i++) { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 485 | swsm = er32(SWSM); |
| 486 | ew32(SWSM, swsm | E1000_SWSM_SWESMBI); |
| 487 | |
| 488 | /* Semaphore acquired if bit latched */ |
| 489 | if (er32(SWSM) & E1000_SWSM_SWESMBI) |
| 490 | break; |
| 491 | |
Bruce Allan | ce43a21 | 2013-02-20 04:06:32 +0000 | [diff] [blame] | 492 | usleep_range(50, 100); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 493 | } |
| 494 | |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 495 | if (i == fw_timeout) { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 496 | /* Release semaphores */ |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 497 | e1000_put_hw_semaphore_82571(hw); |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 498 | e_dbg("Driver can't access the NVM\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 499 | return -E1000_ERR_NVM; |
| 500 | } |
| 501 | |
| 502 | return 0; |
| 503 | } |
| 504 | |
| 505 | /** |
| 506 | * e1000_put_hw_semaphore_82571 - Release hardware semaphore |
| 507 | * @hw: pointer to the HW structure |
| 508 | * |
| 509 | * Release hardware semaphore used to access the PHY or NVM |
| 510 | **/ |
| 511 | static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw) |
| 512 | { |
| 513 | u32 swsm; |
| 514 | |
| 515 | swsm = er32(SWSM); |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 516 | swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 517 | ew32(SWSM, swsm); |
| 518 | } |
Bruce Allan | fc830b7 | 2013-02-20 04:06:11 +0000 | [diff] [blame] | 519 | |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 520 | /** |
| 521 | * e1000_get_hw_semaphore_82573 - Acquire hardware semaphore |
| 522 | * @hw: pointer to the HW structure |
| 523 | * |
| 524 | * Acquire the HW semaphore during reset. |
| 525 | * |
| 526 | **/ |
| 527 | static s32 e1000_get_hw_semaphore_82573(struct e1000_hw *hw) |
| 528 | { |
| 529 | u32 extcnf_ctrl; |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 530 | s32 i = 0; |
| 531 | |
| 532 | extcnf_ctrl = er32(EXTCNF_CTRL); |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 533 | do { |
Bruce Allan | 7dbbe5d | 2013-01-05 05:08:31 +0000 | [diff] [blame] | 534 | extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP; |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 535 | ew32(EXTCNF_CTRL, extcnf_ctrl); |
| 536 | extcnf_ctrl = er32(EXTCNF_CTRL); |
| 537 | |
| 538 | if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP) |
| 539 | break; |
| 540 | |
Bruce Allan | 1bba438 | 2011-03-19 00:27:20 +0000 | [diff] [blame] | 541 | usleep_range(2000, 4000); |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 542 | i++; |
| 543 | } while (i < MDIO_OWNERSHIP_TIMEOUT); |
| 544 | |
| 545 | if (i == MDIO_OWNERSHIP_TIMEOUT) { |
| 546 | /* Release semaphores */ |
| 547 | e1000_put_hw_semaphore_82573(hw); |
| 548 | e_dbg("Driver can't access the PHY\n"); |
Bruce Allan | 5015e53 | 2012-02-08 02:55:56 +0000 | [diff] [blame] | 549 | return -E1000_ERR_PHY; |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 550 | } |
| 551 | |
Bruce Allan | 5015e53 | 2012-02-08 02:55:56 +0000 | [diff] [blame] | 552 | return 0; |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 553 | } |
| 554 | |
| 555 | /** |
| 556 | * e1000_put_hw_semaphore_82573 - Release hardware semaphore |
| 557 | * @hw: pointer to the HW structure |
| 558 | * |
| 559 | * Release hardware semaphore used during reset. |
| 560 | * |
| 561 | **/ |
| 562 | static void e1000_put_hw_semaphore_82573(struct e1000_hw *hw) |
| 563 | { |
| 564 | u32 extcnf_ctrl; |
| 565 | |
| 566 | extcnf_ctrl = er32(EXTCNF_CTRL); |
| 567 | extcnf_ctrl &= ~E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP; |
| 568 | ew32(EXTCNF_CTRL, extcnf_ctrl); |
| 569 | } |
| 570 | |
| 571 | static DEFINE_MUTEX(swflag_mutex); |
| 572 | |
| 573 | /** |
| 574 | * e1000_get_hw_semaphore_82574 - Acquire hardware semaphore |
| 575 | * @hw: pointer to the HW structure |
| 576 | * |
| 577 | * Acquire the HW semaphore to access the PHY or NVM. |
| 578 | * |
| 579 | **/ |
| 580 | static s32 e1000_get_hw_semaphore_82574(struct e1000_hw *hw) |
| 581 | { |
| 582 | s32 ret_val; |
| 583 | |
| 584 | mutex_lock(&swflag_mutex); |
| 585 | ret_val = e1000_get_hw_semaphore_82573(hw); |
| 586 | if (ret_val) |
| 587 | mutex_unlock(&swflag_mutex); |
| 588 | return ret_val; |
| 589 | } |
| 590 | |
| 591 | /** |
| 592 | * e1000_put_hw_semaphore_82574 - Release hardware semaphore |
| 593 | * @hw: pointer to the HW structure |
| 594 | * |
| 595 | * Release hardware semaphore used to access the PHY or NVM |
| 596 | * |
| 597 | **/ |
| 598 | static void e1000_put_hw_semaphore_82574(struct e1000_hw *hw) |
| 599 | { |
| 600 | e1000_put_hw_semaphore_82573(hw); |
| 601 | mutex_unlock(&swflag_mutex); |
| 602 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 603 | |
| 604 | /** |
Bruce Allan | 77996d1 | 2011-01-06 14:29:53 +0000 | [diff] [blame] | 605 | * e1000_set_d0_lplu_state_82574 - Set Low Power Linkup D0 state |
| 606 | * @hw: pointer to the HW structure |
| 607 | * @active: true to enable LPLU, false to disable |
| 608 | * |
| 609 | * Sets the LPLU D0 state according to the active flag. |
| 610 | * LPLU will not be activated unless the |
| 611 | * device autonegotiation advertisement meets standards of |
| 612 | * either 10 or 10/100 or 10/100/1000 at all duplexes. |
| 613 | * This is a function pointer entry point only called by |
| 614 | * PHY setup routines. |
| 615 | **/ |
| 616 | static s32 e1000_set_d0_lplu_state_82574(struct e1000_hw *hw, bool active) |
| 617 | { |
Bruce Allan | efc38d2 | 2012-08-17 06:17:51 +0000 | [diff] [blame] | 618 | u32 data = er32(POEMB); |
Bruce Allan | 77996d1 | 2011-01-06 14:29:53 +0000 | [diff] [blame] | 619 | |
| 620 | if (active) |
| 621 | data |= E1000_PHY_CTRL_D0A_LPLU; |
| 622 | else |
| 623 | data &= ~E1000_PHY_CTRL_D0A_LPLU; |
| 624 | |
| 625 | ew32(POEMB, data); |
| 626 | return 0; |
| 627 | } |
| 628 | |
| 629 | /** |
| 630 | * e1000_set_d3_lplu_state_82574 - Sets low power link up state for D3 |
| 631 | * @hw: pointer to the HW structure |
| 632 | * @active: boolean used to enable/disable lplu |
| 633 | * |
| 634 | * The low power link up (lplu) state is set to the power management level D3 |
| 635 | * when active is true, else clear lplu for D3. LPLU |
| 636 | * is used during Dx states where the power conservation is most important. |
| 637 | * During driver activity, SmartSpeed should be enabled so performance is |
| 638 | * maintained. |
| 639 | **/ |
| 640 | static s32 e1000_set_d3_lplu_state_82574(struct e1000_hw *hw, bool active) |
| 641 | { |
Bruce Allan | efc38d2 | 2012-08-17 06:17:51 +0000 | [diff] [blame] | 642 | u32 data = er32(POEMB); |
Bruce Allan | 77996d1 | 2011-01-06 14:29:53 +0000 | [diff] [blame] | 643 | |
| 644 | if (!active) { |
| 645 | data &= ~E1000_PHY_CTRL_NOND0A_LPLU; |
| 646 | } else if ((hw->phy.autoneg_advertised == E1000_ALL_SPEED_DUPLEX) || |
| 647 | (hw->phy.autoneg_advertised == E1000_ALL_NOT_GIG) || |
| 648 | (hw->phy.autoneg_advertised == E1000_ALL_10_SPEED)) { |
| 649 | data |= E1000_PHY_CTRL_NOND0A_LPLU; |
| 650 | } |
| 651 | |
| 652 | ew32(POEMB, data); |
| 653 | return 0; |
| 654 | } |
| 655 | |
| 656 | /** |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 657 | * e1000_acquire_nvm_82571 - Request for access to the EEPROM |
| 658 | * @hw: pointer to the HW structure |
| 659 | * |
| 660 | * To gain access to the EEPROM, first we must obtain a hardware semaphore. |
| 661 | * Then for non-82573 hardware, set the EEPROM access request bit and wait |
| 662 | * for EEPROM access grant bit. If the access grant bit is not set, release |
| 663 | * hardware semaphore. |
| 664 | **/ |
| 665 | static s32 e1000_acquire_nvm_82571(struct e1000_hw *hw) |
| 666 | { |
| 667 | s32 ret_val; |
| 668 | |
| 669 | ret_val = e1000_get_hw_semaphore_82571(hw); |
| 670 | if (ret_val) |
| 671 | return ret_val; |
| 672 | |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 673 | switch (hw->mac.type) { |
| 674 | case e1000_82573: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 675 | break; |
| 676 | default: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 677 | ret_val = e1000e_acquire_nvm(hw); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 678 | break; |
| 679 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 680 | |
| 681 | if (ret_val) |
| 682 | e1000_put_hw_semaphore_82571(hw); |
| 683 | |
| 684 | return ret_val; |
| 685 | } |
| 686 | |
| 687 | /** |
| 688 | * e1000_release_nvm_82571 - Release exclusive access to EEPROM |
| 689 | * @hw: pointer to the HW structure |
| 690 | * |
| 691 | * Stop any current commands to the EEPROM and clear the EEPROM request bit. |
| 692 | **/ |
| 693 | static void e1000_release_nvm_82571(struct e1000_hw *hw) |
| 694 | { |
| 695 | e1000e_release_nvm(hw); |
| 696 | e1000_put_hw_semaphore_82571(hw); |
| 697 | } |
| 698 | |
| 699 | /** |
| 700 | * e1000_write_nvm_82571 - Write to EEPROM using appropriate interface |
| 701 | * @hw: pointer to the HW structure |
| 702 | * @offset: offset within the EEPROM to be written to |
| 703 | * @words: number of words to write |
| 704 | * @data: 16 bit word(s) to be written to the EEPROM |
| 705 | * |
| 706 | * For non-82573 silicon, write data to EEPROM at offset using SPI interface. |
| 707 | * |
| 708 | * If e1000e_update_nvm_checksum is not called after this function, the |
Auke Kok | 489815c | 2008-02-21 15:11:07 -0800 | [diff] [blame] | 709 | * EEPROM will most likely contain an invalid checksum. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 710 | **/ |
| 711 | static s32 e1000_write_nvm_82571(struct e1000_hw *hw, u16 offset, u16 words, |
| 712 | u16 *data) |
| 713 | { |
| 714 | s32 ret_val; |
| 715 | |
| 716 | switch (hw->mac.type) { |
| 717 | case e1000_82573: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 718 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 719 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 720 | ret_val = e1000_write_nvm_eewr_82571(hw, offset, words, data); |
| 721 | break; |
| 722 | case e1000_82571: |
| 723 | case e1000_82572: |
| 724 | ret_val = e1000e_write_nvm_spi(hw, offset, words, data); |
| 725 | break; |
| 726 | default: |
| 727 | ret_val = -E1000_ERR_NVM; |
| 728 | break; |
| 729 | } |
| 730 | |
| 731 | return ret_val; |
| 732 | } |
| 733 | |
| 734 | /** |
| 735 | * e1000_update_nvm_checksum_82571 - Update EEPROM checksum |
| 736 | * @hw: pointer to the HW structure |
| 737 | * |
| 738 | * Updates the EEPROM checksum by reading/adding each word of the EEPROM |
| 739 | * up to the checksum. Then calculates the EEPROM checksum and writes the |
| 740 | * value to the EEPROM. |
| 741 | **/ |
| 742 | static s32 e1000_update_nvm_checksum_82571(struct e1000_hw *hw) |
| 743 | { |
| 744 | u32 eecd; |
| 745 | s32 ret_val; |
| 746 | u16 i; |
| 747 | |
| 748 | ret_val = e1000e_update_nvm_checksum_generic(hw); |
| 749 | if (ret_val) |
| 750 | return ret_val; |
| 751 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 752 | /* If our nvm is an EEPROM, then we're done |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 753 | * otherwise, commit the checksum to the flash NVM. |
| 754 | */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 755 | if (hw->nvm.type != e1000_nvm_flash_hw) |
Bruce Allan | 8260725 | 2012-02-08 02:55:09 +0000 | [diff] [blame] | 756 | return 0; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 757 | |
| 758 | /* Check for pending operations. */ |
| 759 | for (i = 0; i < E1000_FLASH_UPDATES; i++) { |
Bruce Allan | 1bba438 | 2011-03-19 00:27:20 +0000 | [diff] [blame] | 760 | usleep_range(1000, 2000); |
Bruce Allan | 04499ec | 2012-04-13 00:08:31 +0000 | [diff] [blame] | 761 | if (!(er32(EECD) & E1000_EECD_FLUPD)) |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 762 | break; |
| 763 | } |
| 764 | |
| 765 | if (i == E1000_FLASH_UPDATES) |
| 766 | return -E1000_ERR_NVM; |
| 767 | |
| 768 | /* Reset the firmware if using STM opcode. */ |
| 769 | if ((er32(FLOP) & 0xFF00) == E1000_STM_OPCODE) { |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 770 | /* The enabling of and the actual reset must be done |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 771 | * in two write cycles. |
| 772 | */ |
| 773 | ew32(HICR, E1000_HICR_FW_RESET_ENABLE); |
| 774 | e1e_flush(); |
| 775 | ew32(HICR, E1000_HICR_FW_RESET); |
| 776 | } |
| 777 | |
| 778 | /* Commit the write to flash */ |
| 779 | eecd = er32(EECD) | E1000_EECD_FLUPD; |
| 780 | ew32(EECD, eecd); |
| 781 | |
| 782 | for (i = 0; i < E1000_FLASH_UPDATES; i++) { |
Bruce Allan | 1bba438 | 2011-03-19 00:27:20 +0000 | [diff] [blame] | 783 | usleep_range(1000, 2000); |
Bruce Allan | 04499ec | 2012-04-13 00:08:31 +0000 | [diff] [blame] | 784 | if (!(er32(EECD) & E1000_EECD_FLUPD)) |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 785 | break; |
| 786 | } |
| 787 | |
| 788 | if (i == E1000_FLASH_UPDATES) |
| 789 | return -E1000_ERR_NVM; |
| 790 | |
| 791 | return 0; |
| 792 | } |
| 793 | |
| 794 | /** |
| 795 | * e1000_validate_nvm_checksum_82571 - Validate EEPROM checksum |
| 796 | * @hw: pointer to the HW structure |
| 797 | * |
| 798 | * Calculates the EEPROM checksum by reading/adding each word of the EEPROM |
| 799 | * and then verifies that the sum of the EEPROM is equal to 0xBABA. |
| 800 | **/ |
| 801 | static s32 e1000_validate_nvm_checksum_82571(struct e1000_hw *hw) |
| 802 | { |
| 803 | if (hw->nvm.type == e1000_nvm_flash_hw) |
| 804 | e1000_fix_nvm_checksum_82571(hw); |
| 805 | |
| 806 | return e1000e_validate_nvm_checksum_generic(hw); |
| 807 | } |
| 808 | |
| 809 | /** |
| 810 | * e1000_write_nvm_eewr_82571 - Write to EEPROM for 82573 silicon |
| 811 | * @hw: pointer to the HW structure |
| 812 | * @offset: offset within the EEPROM to be written to |
| 813 | * @words: number of words to write |
| 814 | * @data: 16 bit word(s) to be written to the EEPROM |
| 815 | * |
| 816 | * After checking for invalid values, poll the EEPROM to ensure the previous |
| 817 | * command has completed before trying to write the next word. After write |
| 818 | * poll for completion. |
| 819 | * |
| 820 | * If e1000e_update_nvm_checksum is not called after this function, the |
Auke Kok | 489815c | 2008-02-21 15:11:07 -0800 | [diff] [blame] | 821 | * EEPROM will most likely contain an invalid checksum. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 822 | **/ |
| 823 | static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset, |
| 824 | u16 words, u16 *data) |
| 825 | { |
| 826 | struct e1000_nvm_info *nvm = &hw->nvm; |
Bruce Allan | a708dd8 | 2009-11-20 23:28:37 +0000 | [diff] [blame] | 827 | u32 i, eewr = 0; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 828 | s32 ret_val = 0; |
| 829 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 830 | /* A check for invalid values: offset too large, too many words, |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 831 | * and not enough words. |
| 832 | */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 833 | if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) || |
| 834 | (words == 0)) { |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 835 | e_dbg("nvm parameter(s) out of bounds\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 836 | return -E1000_ERR_NVM; |
| 837 | } |
| 838 | |
| 839 | for (i = 0; i < words; i++) { |
Bruce Allan | f0ff439 | 2013-02-20 04:05:39 +0000 | [diff] [blame] | 840 | eewr = ((data[i] << E1000_NVM_RW_REG_DATA) | |
Bruce Allan | 362e20c | 2013-02-20 04:05:45 +0000 | [diff] [blame] | 841 | ((offset + i) << E1000_NVM_RW_ADDR_SHIFT) | |
Bruce Allan | f0ff439 | 2013-02-20 04:05:39 +0000 | [diff] [blame] | 842 | E1000_NVM_RW_REG_START); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 843 | |
| 844 | ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE); |
| 845 | if (ret_val) |
| 846 | break; |
| 847 | |
| 848 | ew32(EEWR, eewr); |
| 849 | |
| 850 | ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE); |
| 851 | if (ret_val) |
| 852 | break; |
| 853 | } |
| 854 | |
| 855 | return ret_val; |
| 856 | } |
| 857 | |
| 858 | /** |
| 859 | * e1000_get_cfg_done_82571 - Poll for configuration done |
| 860 | * @hw: pointer to the HW structure |
| 861 | * |
| 862 | * Reads the management control register for the config done bit to be set. |
| 863 | **/ |
| 864 | static s32 e1000_get_cfg_done_82571(struct e1000_hw *hw) |
| 865 | { |
| 866 | s32 timeout = PHY_CFG_TIMEOUT; |
| 867 | |
| 868 | while (timeout) { |
Bruce Allan | e5fe254 | 2013-02-20 04:06:27 +0000 | [diff] [blame] | 869 | if (er32(EEMNGCTL) & E1000_NVM_CFG_DONE_PORT_0) |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 870 | break; |
Bruce Allan | 1bba438 | 2011-03-19 00:27:20 +0000 | [diff] [blame] | 871 | usleep_range(1000, 2000); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 872 | timeout--; |
| 873 | } |
| 874 | if (!timeout) { |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 875 | e_dbg("MNG configuration cycle has not completed.\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 876 | return -E1000_ERR_RESET; |
| 877 | } |
| 878 | |
| 879 | return 0; |
| 880 | } |
| 881 | |
| 882 | /** |
| 883 | * e1000_set_d0_lplu_state_82571 - Set Low Power Linkup D0 state |
| 884 | * @hw: pointer to the HW structure |
Bruce Allan | 564ea9b | 2009-11-20 23:26:44 +0000 | [diff] [blame] | 885 | * @active: true to enable LPLU, false to disable |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 886 | * |
| 887 | * Sets the LPLU D0 state according to the active flag. When activating LPLU |
| 888 | * this function also disables smart speed and vice versa. LPLU will not be |
| 889 | * activated unless the device autonegotiation advertisement meets standards |
| 890 | * of either 10 or 10/100 or 10/100/1000 at all duplexes. This is a function |
| 891 | * pointer entry point only called by PHY setup routines. |
| 892 | **/ |
| 893 | static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active) |
| 894 | { |
| 895 | struct e1000_phy_info *phy = &hw->phy; |
| 896 | s32 ret_val; |
| 897 | u16 data; |
| 898 | |
| 899 | ret_val = e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &data); |
| 900 | if (ret_val) |
| 901 | return ret_val; |
| 902 | |
| 903 | if (active) { |
| 904 | data |= IGP02E1000_PM_D0_LPLU; |
| 905 | ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data); |
| 906 | if (ret_val) |
| 907 | return ret_val; |
| 908 | |
| 909 | /* When LPLU is enabled, we should disable SmartSpeed */ |
| 910 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); |
Bruce Allan | 7dbbe5d | 2013-01-05 05:08:31 +0000 | [diff] [blame] | 911 | if (ret_val) |
| 912 | return ret_val; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 913 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; |
| 914 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); |
| 915 | if (ret_val) |
| 916 | return ret_val; |
| 917 | } else { |
| 918 | data &= ~IGP02E1000_PM_D0_LPLU; |
| 919 | ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data); |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 920 | /* LPLU and SmartSpeed are mutually exclusive. LPLU is used |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 921 | * during Dx states where the power conservation is most |
| 922 | * important. During driver activity we should enable |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 923 | * SmartSpeed, so performance is maintained. |
| 924 | */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 925 | if (phy->smart_speed == e1000_smart_speed_on) { |
| 926 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 927 | &data); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 928 | if (ret_val) |
| 929 | return ret_val; |
| 930 | |
| 931 | data |= IGP01E1000_PSCFR_SMART_SPEED; |
| 932 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 933 | data); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 934 | if (ret_val) |
| 935 | return ret_val; |
| 936 | } else if (phy->smart_speed == e1000_smart_speed_off) { |
| 937 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 938 | &data); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 939 | if (ret_val) |
| 940 | return ret_val; |
| 941 | |
| 942 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; |
| 943 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 944 | data); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 945 | if (ret_val) |
| 946 | return ret_val; |
| 947 | } |
| 948 | } |
| 949 | |
| 950 | return 0; |
| 951 | } |
| 952 | |
| 953 | /** |
| 954 | * e1000_reset_hw_82571 - Reset hardware |
| 955 | * @hw: pointer to the HW structure |
| 956 | * |
Bruce Allan | fe40167 | 2009-11-20 23:26:05 +0000 | [diff] [blame] | 957 | * This resets the hardware into a known state. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 958 | **/ |
| 959 | static s32 e1000_reset_hw_82571(struct e1000_hw *hw) |
| 960 | { |
Tushar Dave | eca90f5 | 2012-08-01 02:11:15 +0000 | [diff] [blame] | 961 | u32 ctrl, ctrl_ext, eecd, tctl; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 962 | s32 ret_val; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 963 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 964 | /* Prevent the PCI-E bus from sticking if there is no TLP connection |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 965 | * on the last TLP read/write transaction when MAC is reset. |
| 966 | */ |
| 967 | ret_val = e1000e_disable_pcie_master(hw); |
| 968 | if (ret_val) |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 969 | e_dbg("PCI-E Master disable polling has failed.\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 970 | |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 971 | e_dbg("Masking off all interrupts\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 972 | ew32(IMC, 0xffffffff); |
| 973 | |
| 974 | ew32(RCTL, 0); |
Tushar Dave | eca90f5 | 2012-08-01 02:11:15 +0000 | [diff] [blame] | 975 | tctl = er32(TCTL); |
| 976 | tctl &= ~E1000_TCTL_EN; |
| 977 | ew32(TCTL, tctl); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 978 | e1e_flush(); |
| 979 | |
Bruce Allan | 1bba438 | 2011-03-19 00:27:20 +0000 | [diff] [blame] | 980 | usleep_range(10000, 20000); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 981 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 982 | /* Must acquire the MDIO ownership before MAC reset. |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 983 | * Ownership defaults to firmware after a reset. |
| 984 | */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 985 | switch (hw->mac.type) { |
| 986 | case e1000_82573: |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 987 | ret_val = e1000_get_hw_semaphore_82573(hw); |
| 988 | break; |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 989 | case e1000_82574: |
| 990 | case e1000_82583: |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 991 | ret_val = e1000_get_hw_semaphore_82574(hw); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 992 | break; |
| 993 | default: |
| 994 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 995 | } |
| 996 | |
| 997 | ctrl = er32(CTRL); |
| 998 | |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 999 | e_dbg("Issuing a global reset to MAC\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1000 | ew32(CTRL, ctrl | E1000_CTRL_RST); |
| 1001 | |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 1002 | /* Must release MDIO ownership and mutex after MAC reset. */ |
| 1003 | switch (hw->mac.type) { |
Steven La | 35fdb94 | 2013-08-23 17:19:37 -0700 | [diff] [blame] | 1004 | case e1000_82573: |
| 1005 | /* Release mutex only if the hw semaphore is acquired */ |
| 1006 | if (!ret_val) |
| 1007 | e1000_put_hw_semaphore_82573(hw); |
| 1008 | break; |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 1009 | case e1000_82574: |
| 1010 | case e1000_82583: |
Akeem G. Abodunrin | 6c1d8b9 | 2013-05-02 02:57:44 +0000 | [diff] [blame] | 1011 | /* Release mutex only if the hw semaphore is acquired */ |
| 1012 | if (!ret_val) |
| 1013 | e1000_put_hw_semaphore_82574(hw); |
Bruce Allan | 1b98c2b | 2010-11-16 19:50:14 -0800 | [diff] [blame] | 1014 | break; |
| 1015 | default: |
| 1016 | break; |
| 1017 | } |
| 1018 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1019 | if (hw->nvm.type == e1000_nvm_flash_hw) { |
Bruce Allan | ce43a21 | 2013-02-20 04:06:32 +0000 | [diff] [blame] | 1020 | usleep_range(10, 20); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1021 | ctrl_ext = er32(CTRL_EXT); |
| 1022 | ctrl_ext |= E1000_CTRL_EXT_EE_RST; |
| 1023 | ew32(CTRL_EXT, ctrl_ext); |
| 1024 | e1e_flush(); |
| 1025 | } |
| 1026 | |
| 1027 | ret_val = e1000e_get_auto_rd_done(hw); |
| 1028 | if (ret_val) |
| 1029 | /* We don't want to continue accessing MAC registers. */ |
| 1030 | return ret_val; |
| 1031 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1032 | /* Phy configuration from NVM just starts after EECD_AUTO_RD is set. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1033 | * Need to wait for Phy configuration completion before accessing |
| 1034 | * NVM and Phy. |
| 1035 | */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1036 | |
| 1037 | switch (hw->mac.type) { |
Richard Alpe | 1f56f45 | 2012-04-20 15:24:50 +0000 | [diff] [blame] | 1038 | case e1000_82571: |
| 1039 | case e1000_82572: |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1040 | /* REQ and GNT bits need to be cleared when using AUTO_RD |
Richard Alpe | 1f56f45 | 2012-04-20 15:24:50 +0000 | [diff] [blame] | 1041 | * to access the EEPROM. |
| 1042 | */ |
| 1043 | eecd = er32(EECD); |
| 1044 | eecd &= ~(E1000_EECD_REQ | E1000_EECD_GNT); |
| 1045 | ew32(EECD, eecd); |
| 1046 | break; |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1047 | case e1000_82573: |
| 1048 | case e1000_82574: |
| 1049 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1050 | msleep(25); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1051 | break; |
| 1052 | default: |
| 1053 | break; |
| 1054 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1055 | |
| 1056 | /* Clear any pending interrupt events. */ |
| 1057 | ew32(IMC, 0xffffffff); |
Bruce Allan | dd93f95 | 2011-01-06 14:29:48 +0000 | [diff] [blame] | 1058 | er32(ICR); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1059 | |
Bruce Allan | 1aef70e | 2010-08-19 15:48:52 -0700 | [diff] [blame] | 1060 | if (hw->mac.type == e1000_82571) { |
| 1061 | /* Install any alternate MAC address into RAR0 */ |
| 1062 | ret_val = e1000_check_alt_mac_addr_generic(hw); |
| 1063 | if (ret_val) |
| 1064 | return ret_val; |
Bruce Allan | 608f8a0 | 2010-01-13 02:04:58 +0000 | [diff] [blame] | 1065 | |
Bruce Allan | 1aef70e | 2010-08-19 15:48:52 -0700 | [diff] [blame] | 1066 | e1000e_set_laa_state_82571(hw, true); |
| 1067 | } |
Bill Hayes | 93ca161 | 2007-10-31 15:21:52 -0700 | [diff] [blame] | 1068 | |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1069 | /* Reinitialize the 82571 serdes link state machine */ |
| 1070 | if (hw->phy.media_type == e1000_media_type_internal_serdes) |
| 1071 | hw->mac.serdes_link_state = e1000_serdes_link_down; |
| 1072 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1073 | return 0; |
| 1074 | } |
| 1075 | |
| 1076 | /** |
| 1077 | * e1000_init_hw_82571 - Initialize hardware |
| 1078 | * @hw: pointer to the HW structure |
| 1079 | * |
| 1080 | * This inits the hardware readying it for operation. |
| 1081 | **/ |
| 1082 | static s32 e1000_init_hw_82571(struct e1000_hw *hw) |
| 1083 | { |
| 1084 | struct e1000_mac_info *mac = &hw->mac; |
| 1085 | u32 reg_data; |
| 1086 | s32 ret_val; |
Bruce Allan | a708dd8 | 2009-11-20 23:28:37 +0000 | [diff] [blame] | 1087 | u16 i, rar_count = mac->rar_entry_count; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1088 | |
| 1089 | e1000_initialize_hw_bits_82571(hw); |
| 1090 | |
| 1091 | /* Initialize identification LED */ |
Bruce Allan | d1964eb | 2012-02-22 09:02:21 +0000 | [diff] [blame] | 1092 | ret_val = mac->ops.id_led_init(hw); |
Bruce Allan | 33550ce | 2013-02-20 04:06:16 +0000 | [diff] [blame] | 1093 | /* An error is not fatal and we should not stop init due to this */ |
Bruce Allan | de39b75 | 2009-11-20 23:27:59 +0000 | [diff] [blame] | 1094 | if (ret_val) |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1095 | e_dbg("Error initializing identification LED\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1096 | |
| 1097 | /* Disabling VLAN filtering */ |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1098 | e_dbg("Initializing the IEEE VLAN\n"); |
Bruce Allan | caaddaf | 2009-12-01 15:46:43 +0000 | [diff] [blame] | 1099 | mac->ops.clear_vfta(hw); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1100 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1101 | /* Setup the receive address. |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 1102 | * If, however, a locally administered address was assigned to the |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1103 | * 82571, we must reserve a RAR for it to work around an issue where |
| 1104 | * resetting one port will reload the MAC on the other port. |
| 1105 | */ |
| 1106 | if (e1000e_get_laa_state_82571(hw)) |
| 1107 | rar_count--; |
| 1108 | e1000e_init_rx_addrs(hw, rar_count); |
| 1109 | |
| 1110 | /* Zero out the Multicast HASH table */ |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1111 | e_dbg("Zeroing the MTA\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1112 | for (i = 0; i < mac->mta_reg_count; i++) |
| 1113 | E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0); |
| 1114 | |
| 1115 | /* Setup link and flow control */ |
Bruce Allan | 1a46b40 | 2012-02-22 09:02:26 +0000 | [diff] [blame] | 1116 | ret_val = mac->ops.setup_link(hw); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1117 | |
| 1118 | /* Set the transmit descriptor write-back policy */ |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1119 | reg_data = er32(TXDCTL(0)); |
Bruce Allan | f0ff439 | 2013-02-20 04:05:39 +0000 | [diff] [blame] | 1120 | reg_data = ((reg_data & ~E1000_TXDCTL_WTHRESH) | |
Bruce Allan | e5fe254 | 2013-02-20 04:06:27 +0000 | [diff] [blame] | 1121 | E1000_TXDCTL_FULL_TX_DESC_WB | E1000_TXDCTL_COUNT_DESC); |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1122 | ew32(TXDCTL(0), reg_data); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1123 | |
| 1124 | /* ...for both queues. */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1125 | switch (mac->type) { |
| 1126 | case e1000_82573: |
Bruce Allan | a65a4a0 | 2010-05-10 15:01:51 +0000 | [diff] [blame] | 1127 | e1000e_enable_tx_pkt_filtering(hw); |
| 1128 | /* fall through */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1129 | case e1000_82574: |
| 1130 | case e1000_82583: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1131 | reg_data = er32(GCR); |
| 1132 | reg_data |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX; |
| 1133 | ew32(GCR, reg_data); |
| 1134 | break; |
| 1135 | default: |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1136 | reg_data = er32(TXDCTL(1)); |
Bruce Allan | f0ff439 | 2013-02-20 04:05:39 +0000 | [diff] [blame] | 1137 | reg_data = ((reg_data & ~E1000_TXDCTL_WTHRESH) | |
| 1138 | E1000_TXDCTL_FULL_TX_DESC_WB | |
| 1139 | E1000_TXDCTL_COUNT_DESC); |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1140 | ew32(TXDCTL(1), reg_data); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1141 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1142 | } |
| 1143 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1144 | /* Clear all of the statistics registers (clear on read). It is |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1145 | * important that we do this after we have tried to establish link |
| 1146 | * because the symbol error count will increment wildly if there |
| 1147 | * is no link. |
| 1148 | */ |
| 1149 | e1000_clear_hw_cntrs_82571(hw); |
| 1150 | |
| 1151 | return ret_val; |
| 1152 | } |
| 1153 | |
| 1154 | /** |
| 1155 | * e1000_initialize_hw_bits_82571 - Initialize hardware-dependent bits |
| 1156 | * @hw: pointer to the HW structure |
| 1157 | * |
| 1158 | * Initializes required hardware-dependent bits needed for normal operation. |
| 1159 | **/ |
| 1160 | static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw) |
| 1161 | { |
| 1162 | u32 reg; |
| 1163 | |
| 1164 | /* Transmit Descriptor Control 0 */ |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1165 | reg = er32(TXDCTL(0)); |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 1166 | reg |= BIT(22); |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1167 | ew32(TXDCTL(0), reg); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1168 | |
| 1169 | /* Transmit Descriptor Control 1 */ |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1170 | reg = er32(TXDCTL(1)); |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 1171 | reg |= BIT(22); |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1172 | ew32(TXDCTL(1), reg); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1173 | |
| 1174 | /* Transmit Arbitration Control 0 */ |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1175 | reg = er32(TARC(0)); |
Bruce Allan | e80bd1d | 2013-05-01 01:19:46 +0000 | [diff] [blame] | 1176 | reg &= ~(0xF << 27); /* 30:27 */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1177 | switch (hw->mac.type) { |
| 1178 | case e1000_82571: |
| 1179 | case e1000_82572: |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 1180 | reg |= BIT(23) | BIT(24) | BIT(25) | BIT(26); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1181 | break; |
Bruce Allan | d6cb17d | 2011-12-16 00:46:22 +0000 | [diff] [blame] | 1182 | case e1000_82574: |
| 1183 | case e1000_82583: |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 1184 | reg |= BIT(26); |
Bruce Allan | d6cb17d | 2011-12-16 00:46:22 +0000 | [diff] [blame] | 1185 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1186 | default: |
| 1187 | break; |
| 1188 | } |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1189 | ew32(TARC(0), reg); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1190 | |
| 1191 | /* Transmit Arbitration Control 1 */ |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1192 | reg = er32(TARC(1)); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1193 | switch (hw->mac.type) { |
| 1194 | case e1000_82571: |
| 1195 | case e1000_82572: |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 1196 | reg &= ~(BIT(29) | BIT(30)); |
| 1197 | reg |= BIT(22) | BIT(24) | BIT(25) | BIT(26); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1198 | if (er32(TCTL) & E1000_TCTL_MULR) |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 1199 | reg &= ~BIT(28); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1200 | else |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 1201 | reg |= BIT(28); |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1202 | ew32(TARC(1), reg); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1203 | break; |
| 1204 | default: |
| 1205 | break; |
| 1206 | } |
| 1207 | |
| 1208 | /* Device Control */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1209 | switch (hw->mac.type) { |
| 1210 | case e1000_82573: |
| 1211 | case e1000_82574: |
| 1212 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1213 | reg = er32(CTRL); |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 1214 | reg &= ~BIT(29); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1215 | ew32(CTRL, reg); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1216 | break; |
| 1217 | default: |
| 1218 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1219 | } |
| 1220 | |
| 1221 | /* Extended Device Control */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1222 | switch (hw->mac.type) { |
| 1223 | case e1000_82573: |
| 1224 | case e1000_82574: |
| 1225 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1226 | reg = er32(CTRL_EXT); |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 1227 | reg &= ~BIT(23); |
| 1228 | reg |= BIT(22); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1229 | ew32(CTRL_EXT, reg); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1230 | break; |
| 1231 | default: |
| 1232 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1233 | } |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1234 | |
Alexander Duyck | 6ea7ae1 | 2008-11-14 06:54:36 +0000 | [diff] [blame] | 1235 | if (hw->mac.type == e1000_82571) { |
| 1236 | reg = er32(PBA_ECC); |
| 1237 | reg |= E1000_PBA_ECC_CORR_EN; |
| 1238 | ew32(PBA_ECC, reg); |
| 1239 | } |
Bruce Allan | 3d3a167 | 2012-02-23 03:13:18 +0000 | [diff] [blame] | 1240 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1241 | /* Workaround for hardware errata. |
dave graham | 5df3f0e | 2009-02-10 12:51:41 +0000 | [diff] [blame] | 1242 | * Ensure that DMA Dynamic Clock gating is disabled on 82571 and 82572 |
| 1243 | */ |
Bruce Allan | 3d3a167 | 2012-02-23 03:13:18 +0000 | [diff] [blame] | 1244 | if ((hw->mac.type == e1000_82571) || (hw->mac.type == e1000_82572)) { |
| 1245 | reg = er32(CTRL_EXT); |
| 1246 | reg &= ~E1000_CTRL_EXT_DMA_DYN_CLK_EN; |
| 1247 | ew32(CTRL_EXT, reg); |
| 1248 | } |
Alexander Duyck | 6ea7ae1 | 2008-11-14 06:54:36 +0000 | [diff] [blame] | 1249 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1250 | /* Disable IPv6 extension header parsing because some malformed |
Matthew Vick | f6bd557 | 2012-04-25 08:01:05 +0000 | [diff] [blame] | 1251 | * IPv6 headers can hang the Rx. |
| 1252 | */ |
| 1253 | if (hw->mac.type <= e1000_82573) { |
| 1254 | reg = er32(RFCTL); |
| 1255 | reg |= (E1000_RFCTL_IPV6_EX_DIS | E1000_RFCTL_NEW_IPV6_EXT_DIS); |
| 1256 | ew32(RFCTL, reg); |
| 1257 | } |
| 1258 | |
Jesse Brandeburg | 78272bb | 2009-01-26 12:16:26 -0800 | [diff] [blame] | 1259 | /* PCI-Ex Control Registers */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1260 | switch (hw->mac.type) { |
| 1261 | case e1000_82574: |
| 1262 | case e1000_82583: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1263 | reg = er32(GCR); |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 1264 | reg |= BIT(22); |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1265 | ew32(GCR, reg); |
Jesse Brandeburg | 78272bb | 2009-01-26 12:16:26 -0800 | [diff] [blame] | 1266 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1267 | /* Workaround for hardware errata. |
Bruce Allan | 84efb7b | 2009-11-20 23:26:24 +0000 | [diff] [blame] | 1268 | * apply workaround for hardware errata documented in errata |
| 1269 | * docs Fixes issue where some error prone or unreliable PCIe |
| 1270 | * completions are occurring, particularly with ASPM enabled. |
Bruce Allan | af667a2 | 2010-12-31 06:10:01 +0000 | [diff] [blame] | 1271 | * Without fix, issue can cause Tx timeouts. |
Bruce Allan | 84efb7b | 2009-11-20 23:26:24 +0000 | [diff] [blame] | 1272 | */ |
Jesse Brandeburg | 78272bb | 2009-01-26 12:16:26 -0800 | [diff] [blame] | 1273 | reg = er32(GCR2); |
| 1274 | reg |= 1; |
| 1275 | ew32(GCR2, reg); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1276 | break; |
| 1277 | default: |
| 1278 | break; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1279 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1280 | } |
| 1281 | |
| 1282 | /** |
Bruce Allan | caaddaf | 2009-12-01 15:46:43 +0000 | [diff] [blame] | 1283 | * e1000_clear_vfta_82571 - Clear VLAN filter table |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1284 | * @hw: pointer to the HW structure |
| 1285 | * |
| 1286 | * Clears the register array which contains the VLAN filter table by |
| 1287 | * setting all the values to 0. |
| 1288 | **/ |
Bruce Allan | caaddaf | 2009-12-01 15:46:43 +0000 | [diff] [blame] | 1289 | static void e1000_clear_vfta_82571(struct e1000_hw *hw) |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1290 | { |
| 1291 | u32 offset; |
| 1292 | u32 vfta_value = 0; |
| 1293 | u32 vfta_offset = 0; |
| 1294 | u32 vfta_bit_in_reg = 0; |
| 1295 | |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1296 | switch (hw->mac.type) { |
| 1297 | case e1000_82573: |
| 1298 | case e1000_82574: |
| 1299 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1300 | if (hw->mng_cookie.vlan_id != 0) { |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1301 | /* The VFTA is a 4096b bit-field, each identifying |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1302 | * a single VLAN ID. The following operations |
| 1303 | * determine which 32b entry (i.e. offset) into the |
| 1304 | * array we want to set the VLAN ID (i.e. bit) of |
| 1305 | * the manageability unit. |
| 1306 | */ |
| 1307 | vfta_offset = (hw->mng_cookie.vlan_id >> |
| 1308 | E1000_VFTA_ENTRY_SHIFT) & |
Bruce Allan | 55c5f55 | 2013-01-12 07:28:24 +0000 | [diff] [blame] | 1309 | E1000_VFTA_ENTRY_MASK; |
| 1310 | vfta_bit_in_reg = |
Jacob Keller | 18dd239 | 2016-04-13 16:08:32 -0700 | [diff] [blame^] | 1311 | BIT(hw->mng_cookie.vlan_id & |
| 1312 | E1000_VFTA_ENTRY_BIT_SHIFT_MASK); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1313 | } |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1314 | break; |
| 1315 | default: |
| 1316 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1317 | } |
| 1318 | for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) { |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1319 | /* If the offset we want to clear is the same offset of the |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1320 | * manageability VLAN ID, then clear all bits except that of |
| 1321 | * the manageability unit. |
| 1322 | */ |
| 1323 | vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0; |
| 1324 | E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, vfta_value); |
| 1325 | e1e_flush(); |
| 1326 | } |
| 1327 | } |
| 1328 | |
| 1329 | /** |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1330 | * e1000_check_mng_mode_82574 - Check manageability is enabled |
| 1331 | * @hw: pointer to the HW structure |
| 1332 | * |
| 1333 | * Reads the NVM Initialization Control Word 2 and returns true |
| 1334 | * (>0) if any manageability is enabled, else false (0). |
| 1335 | **/ |
| 1336 | static bool e1000_check_mng_mode_82574(struct e1000_hw *hw) |
| 1337 | { |
| 1338 | u16 data; |
| 1339 | |
| 1340 | e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data); |
| 1341 | return (data & E1000_NVM_INIT_CTRL2_MNGM) != 0; |
| 1342 | } |
| 1343 | |
| 1344 | /** |
| 1345 | * e1000_led_on_82574 - Turn LED on |
| 1346 | * @hw: pointer to the HW structure |
| 1347 | * |
| 1348 | * Turn LED on. |
| 1349 | **/ |
| 1350 | static s32 e1000_led_on_82574(struct e1000_hw *hw) |
| 1351 | { |
| 1352 | u32 ctrl; |
| 1353 | u32 i; |
| 1354 | |
| 1355 | ctrl = hw->mac.ledctl_mode2; |
| 1356 | if (!(E1000_STATUS_LU & er32(STATUS))) { |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1357 | /* If no link, then turn LED on by setting the invert bit |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1358 | * for each LED that's "on" (0x0E) in ledctl_mode2. |
| 1359 | */ |
| 1360 | for (i = 0; i < 4; i++) |
| 1361 | if (((hw->mac.ledctl_mode2 >> (i * 8)) & 0xFF) == |
| 1362 | E1000_LEDCTL_MODE_LED_ON) |
| 1363 | ctrl |= (E1000_LEDCTL_LED0_IVRT << (i * 8)); |
| 1364 | } |
| 1365 | ew32(LEDCTL, ctrl); |
| 1366 | |
| 1367 | return 0; |
| 1368 | } |
| 1369 | |
| 1370 | /** |
Carolyn Wyborny | ff10e13 | 2010-10-28 00:59:53 +0000 | [diff] [blame] | 1371 | * e1000_check_phy_82574 - check 82574 phy hung state |
| 1372 | * @hw: pointer to the HW structure |
| 1373 | * |
| 1374 | * Returns whether phy is hung or not |
| 1375 | **/ |
| 1376 | bool e1000_check_phy_82574(struct e1000_hw *hw) |
| 1377 | { |
| 1378 | u16 status_1kbt = 0; |
| 1379 | u16 receive_errors = 0; |
Bruce Allan | 70806a7 | 2013-01-05 05:08:37 +0000 | [diff] [blame] | 1380 | s32 ret_val; |
Carolyn Wyborny | ff10e13 | 2010-10-28 00:59:53 +0000 | [diff] [blame] | 1381 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1382 | /* Read PHY Receive Error counter first, if its is max - all F's then |
Carolyn Wyborny | ff10e13 | 2010-10-28 00:59:53 +0000 | [diff] [blame] | 1383 | * read the Base1000T status register If both are max then PHY is hung. |
| 1384 | */ |
| 1385 | ret_val = e1e_rphy(hw, E1000_RECEIVE_ERROR_COUNTER, &receive_errors); |
Carolyn Wyborny | ff10e13 | 2010-10-28 00:59:53 +0000 | [diff] [blame] | 1386 | if (ret_val) |
Bruce Allan | 5015e53 | 2012-02-08 02:55:56 +0000 | [diff] [blame] | 1387 | return false; |
Bruce Allan | e80bd1d | 2013-05-01 01:19:46 +0000 | [diff] [blame] | 1388 | if (receive_errors == E1000_RECEIVE_ERROR_MAX) { |
Carolyn Wyborny | ff10e13 | 2010-10-28 00:59:53 +0000 | [diff] [blame] | 1389 | ret_val = e1e_rphy(hw, E1000_BASE1000T_STATUS, &status_1kbt); |
| 1390 | if (ret_val) |
Bruce Allan | 5015e53 | 2012-02-08 02:55:56 +0000 | [diff] [blame] | 1391 | return false; |
Carolyn Wyborny | ff10e13 | 2010-10-28 00:59:53 +0000 | [diff] [blame] | 1392 | if ((status_1kbt & E1000_IDLE_ERROR_COUNT_MASK) == |
| 1393 | E1000_IDLE_ERROR_COUNT_MASK) |
Bruce Allan | 5015e53 | 2012-02-08 02:55:56 +0000 | [diff] [blame] | 1394 | return true; |
Carolyn Wyborny | ff10e13 | 2010-10-28 00:59:53 +0000 | [diff] [blame] | 1395 | } |
Bruce Allan | 5015e53 | 2012-02-08 02:55:56 +0000 | [diff] [blame] | 1396 | |
| 1397 | return false; |
Carolyn Wyborny | ff10e13 | 2010-10-28 00:59:53 +0000 | [diff] [blame] | 1398 | } |
| 1399 | |
| 1400 | /** |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1401 | * e1000_setup_link_82571 - Setup flow control and link settings |
| 1402 | * @hw: pointer to the HW structure |
| 1403 | * |
| 1404 | * Determines which flow control settings to use, then configures flow |
| 1405 | * control. Calls the appropriate media-specific link configuration |
| 1406 | * function. Assuming the adapter has a valid link partner, a valid link |
| 1407 | * should be established. Assumes the hardware has previously been reset |
| 1408 | * and the transmitter and receiver are not enabled. |
| 1409 | **/ |
| 1410 | static s32 e1000_setup_link_82571(struct e1000_hw *hw) |
| 1411 | { |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1412 | /* 82573 does not have a word in the NVM to determine |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1413 | * the default flow control setting, so we explicitly |
| 1414 | * set it to full. |
| 1415 | */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1416 | switch (hw->mac.type) { |
| 1417 | case e1000_82573: |
| 1418 | case e1000_82574: |
| 1419 | case e1000_82583: |
| 1420 | if (hw->fc.requested_mode == e1000_fc_default) |
| 1421 | hw->fc.requested_mode = e1000_fc_full; |
| 1422 | break; |
| 1423 | default: |
| 1424 | break; |
| 1425 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1426 | |
Bruce Allan | 1a46b40 | 2012-02-22 09:02:26 +0000 | [diff] [blame] | 1427 | return e1000e_setup_link_generic(hw); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1428 | } |
| 1429 | |
| 1430 | /** |
| 1431 | * e1000_setup_copper_link_82571 - Configure copper link settings |
| 1432 | * @hw: pointer to the HW structure |
| 1433 | * |
| 1434 | * Configures the link for auto-neg or forced speed and duplex. Then we check |
| 1435 | * for link, once link is established calls to configure collision distance |
| 1436 | * and flow control are called. |
| 1437 | **/ |
| 1438 | static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw) |
| 1439 | { |
| 1440 | u32 ctrl; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1441 | s32 ret_val; |
| 1442 | |
| 1443 | ctrl = er32(CTRL); |
| 1444 | ctrl |= E1000_CTRL_SLU; |
| 1445 | ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX); |
| 1446 | ew32(CTRL, ctrl); |
| 1447 | |
| 1448 | switch (hw->phy.type) { |
| 1449 | case e1000_phy_m88: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1450 | case e1000_phy_bm: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1451 | ret_val = e1000e_copper_link_setup_m88(hw); |
| 1452 | break; |
| 1453 | case e1000_phy_igp_2: |
| 1454 | ret_val = e1000e_copper_link_setup_igp(hw); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1455 | break; |
| 1456 | default: |
| 1457 | return -E1000_ERR_PHY; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1458 | } |
| 1459 | |
| 1460 | if (ret_val) |
| 1461 | return ret_val; |
| 1462 | |
Bruce Allan | 7eb61d8 | 2012-02-08 02:55:03 +0000 | [diff] [blame] | 1463 | return e1000e_setup_copper_link(hw); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1464 | } |
| 1465 | |
| 1466 | /** |
| 1467 | * e1000_setup_fiber_serdes_link_82571 - Setup link for fiber/serdes |
| 1468 | * @hw: pointer to the HW structure |
| 1469 | * |
| 1470 | * Configures collision distance and flow control for fiber and serdes links. |
| 1471 | * Upon successful setup, poll for link. |
| 1472 | **/ |
| 1473 | static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw) |
| 1474 | { |
| 1475 | switch (hw->mac.type) { |
| 1476 | case e1000_82571: |
| 1477 | case e1000_82572: |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1478 | /* If SerDes loopback mode is entered, there is no form |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1479 | * of reset to take the adapter out of that mode. So we |
| 1480 | * have to explicitly take the adapter out of loopback |
Auke Kok | 489815c | 2008-02-21 15:11:07 -0800 | [diff] [blame] | 1481 | * mode. This prevents drivers from twiddling their thumbs |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1482 | * if another tool failed to take it out of loopback mode. |
| 1483 | */ |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 1484 | ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1485 | break; |
| 1486 | default: |
| 1487 | break; |
| 1488 | } |
| 1489 | |
| 1490 | return e1000e_setup_fiber_serdes_link(hw); |
| 1491 | } |
| 1492 | |
| 1493 | /** |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1494 | * e1000_check_for_serdes_link_82571 - Check for link (Serdes) |
| 1495 | * @hw: pointer to the HW structure |
| 1496 | * |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1497 | * Reports the link state as up or down. |
| 1498 | * |
| 1499 | * If autonegotiation is supported by the link partner, the link state is |
| 1500 | * determined by the result of autonegotiation. This is the most likely case. |
| 1501 | * If autonegotiation is not supported by the link partner, and the link |
| 1502 | * has a valid signal, force the link up. |
| 1503 | * |
| 1504 | * The link state is represented internally here by 4 states: |
| 1505 | * |
| 1506 | * 1) down |
| 1507 | * 2) autoneg_progress |
Daniel Mack | 3ad2f3f | 2010-02-03 08:01:28 +0800 | [diff] [blame] | 1508 | * 3) autoneg_complete (the link successfully autonegotiated) |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1509 | * 4) forced_up (the link has been forced up, it did not autonegotiate) |
| 1510 | * |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1511 | **/ |
Hannes Eder | f637011 | 2009-02-14 11:32:25 +0000 | [diff] [blame] | 1512 | static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw) |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1513 | { |
| 1514 | struct e1000_mac_info *mac = &hw->mac; |
| 1515 | u32 rxcw; |
| 1516 | u32 ctrl; |
| 1517 | u32 status; |
Bruce Allan | d9c76f9 | 2010-11-24 06:01:35 +0000 | [diff] [blame] | 1518 | u32 txcw; |
| 1519 | u32 i; |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1520 | s32 ret_val = 0; |
| 1521 | |
| 1522 | ctrl = er32(CTRL); |
| 1523 | status = er32(STATUS); |
Bruce Allan | 70806a7 | 2013-01-05 05:08:37 +0000 | [diff] [blame] | 1524 | er32(RXCW); |
Tushar Dave | d0efa8f | 2012-07-12 08:56:56 +0000 | [diff] [blame] | 1525 | /* SYNCH bit and IV bit are sticky */ |
Bruce Allan | ce43a21 | 2013-02-20 04:06:32 +0000 | [diff] [blame] | 1526 | usleep_range(10, 20); |
Tushar Dave | d0efa8f | 2012-07-12 08:56:56 +0000 | [diff] [blame] | 1527 | rxcw = er32(RXCW); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1528 | |
| 1529 | if ((rxcw & E1000_RXCW_SYNCH) && !(rxcw & E1000_RXCW_IV)) { |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1530 | /* Receiver is synchronized with no invalid bits. */ |
| 1531 | switch (mac->serdes_link_state) { |
| 1532 | case e1000_serdes_link_autoneg_complete: |
| 1533 | if (!(status & E1000_STATUS_LU)) { |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1534 | /* We have lost link, retry autoneg before |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1535 | * reporting link failure |
| 1536 | */ |
| 1537 | mac->serdes_link_state = |
| 1538 | e1000_serdes_link_autoneg_progress; |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1539 | mac->serdes_has_link = false; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1540 | e_dbg("AN_UP -> AN_PROG\n"); |
Bruce Allan | a82a14f | 2010-11-24 06:01:20 +0000 | [diff] [blame] | 1541 | } else { |
| 1542 | mac->serdes_has_link = true; |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1543 | } |
Bruce Allan | a82a14f | 2010-11-24 06:01:20 +0000 | [diff] [blame] | 1544 | break; |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1545 | |
| 1546 | case e1000_serdes_link_forced_up: |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1547 | /* If we are receiving /C/ ordered sets, re-enable |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1548 | * auto-negotiation in the TXCW register and disable |
| 1549 | * forced link in the Device Control register in an |
| 1550 | * attempt to auto-negotiate with our link partner. |
| 1551 | */ |
Tushar Dave | b7ec70b | 2012-07-31 02:02:43 +0000 | [diff] [blame] | 1552 | if (rxcw & E1000_RXCW_C) { |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1553 | /* Enable autoneg, and unforce link up */ |
| 1554 | ew32(TXCW, mac->txcw); |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1555 | ew32(CTRL, (ctrl & ~E1000_CTRL_SLU)); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1556 | mac->serdes_link_state = |
| 1557 | e1000_serdes_link_autoneg_progress; |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1558 | mac->serdes_has_link = false; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1559 | e_dbg("FORCED_UP -> AN_PROG\n"); |
Bruce Allan | a82a14f | 2010-11-24 06:01:20 +0000 | [diff] [blame] | 1560 | } else { |
| 1561 | mac->serdes_has_link = true; |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1562 | } |
| 1563 | break; |
| 1564 | |
| 1565 | case e1000_serdes_link_autoneg_progress: |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1566 | if (rxcw & E1000_RXCW_C) { |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1567 | /* We received /C/ ordered sets, meaning the |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1568 | * link partner has autonegotiated, and we can |
| 1569 | * trust the Link Up (LU) status bit. |
| 1570 | */ |
| 1571 | if (status & E1000_STATUS_LU) { |
| 1572 | mac->serdes_link_state = |
| 1573 | e1000_serdes_link_autoneg_complete; |
| 1574 | e_dbg("AN_PROG -> AN_UP\n"); |
| 1575 | mac->serdes_has_link = true; |
| 1576 | } else { |
| 1577 | /* Autoneg completed, but failed. */ |
| 1578 | mac->serdes_link_state = |
| 1579 | e1000_serdes_link_down; |
| 1580 | e_dbg("AN_PROG -> DOWN\n"); |
| 1581 | } |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1582 | } else { |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1583 | /* The link partner did not autoneg. |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1584 | * Force link up and full duplex, and change |
| 1585 | * state to forced. |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1586 | */ |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1587 | ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE)); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1588 | ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD); |
| 1589 | ew32(CTRL, ctrl); |
| 1590 | |
| 1591 | /* Configure Flow Control after link up. */ |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1592 | ret_val = e1000e_config_fc_after_link_up(hw); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1593 | if (ret_val) { |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1594 | e_dbg("Error config flow control\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1595 | break; |
| 1596 | } |
| 1597 | mac->serdes_link_state = |
| 1598 | e1000_serdes_link_forced_up; |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1599 | mac->serdes_has_link = true; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1600 | e_dbg("AN_PROG -> FORCED_UP\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1601 | } |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1602 | break; |
| 1603 | |
| 1604 | case e1000_serdes_link_down: |
| 1605 | default: |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1606 | /* The link was down but the receiver has now gained |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1607 | * valid sync, so lets see if we can bring the link |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1608 | * up. |
| 1609 | */ |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1610 | ew32(TXCW, mac->txcw); |
Bruce Allan | 1a40d5c | 2009-12-01 15:49:51 +0000 | [diff] [blame] | 1611 | ew32(CTRL, (ctrl & ~E1000_CTRL_SLU)); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1612 | mac->serdes_link_state = |
| 1613 | e1000_serdes_link_autoneg_progress; |
Bruce Allan | a82a14f | 2010-11-24 06:01:20 +0000 | [diff] [blame] | 1614 | mac->serdes_has_link = false; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1615 | e_dbg("DOWN -> AN_PROG\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1616 | break; |
| 1617 | } |
| 1618 | } else { |
| 1619 | if (!(rxcw & E1000_RXCW_SYNCH)) { |
| 1620 | mac->serdes_has_link = false; |
| 1621 | mac->serdes_link_state = e1000_serdes_link_down; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1622 | e_dbg("ANYSTATE -> DOWN\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1623 | } else { |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1624 | /* Check several times, if SYNCH bit and CONFIG |
Tushar Dave | 18115f8 | 2012-07-12 08:00:15 +0000 | [diff] [blame] | 1625 | * bit both are consistently 1 then simply ignore |
| 1626 | * the IV bit and restart Autoneg |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1627 | */ |
Bruce Allan | d9c76f9 | 2010-11-24 06:01:35 +0000 | [diff] [blame] | 1628 | for (i = 0; i < AN_RETRY_COUNT; i++) { |
Bruce Allan | ce43a21 | 2013-02-20 04:06:32 +0000 | [diff] [blame] | 1629 | usleep_range(10, 20); |
Bruce Allan | d9c76f9 | 2010-11-24 06:01:35 +0000 | [diff] [blame] | 1630 | rxcw = er32(RXCW); |
Tushar Dave | 18115f8 | 2012-07-12 08:00:15 +0000 | [diff] [blame] | 1631 | if ((rxcw & E1000_RXCW_SYNCH) && |
| 1632 | (rxcw & E1000_RXCW_C)) |
| 1633 | continue; |
| 1634 | |
| 1635 | if (rxcw & E1000_RXCW_IV) { |
Bruce Allan | d9c76f9 | 2010-11-24 06:01:35 +0000 | [diff] [blame] | 1636 | mac->serdes_has_link = false; |
| 1637 | mac->serdes_link_state = |
| 1638 | e1000_serdes_link_down; |
| 1639 | e_dbg("ANYSTATE -> DOWN\n"); |
| 1640 | break; |
| 1641 | } |
| 1642 | } |
| 1643 | |
| 1644 | if (i == AN_RETRY_COUNT) { |
| 1645 | txcw = er32(TXCW); |
| 1646 | txcw |= E1000_TXCW_ANE; |
| 1647 | ew32(TXCW, txcw); |
| 1648 | mac->serdes_link_state = |
| 1649 | e1000_serdes_link_autoneg_progress; |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1650 | mac->serdes_has_link = false; |
Bruce Allan | d9c76f9 | 2010-11-24 06:01:35 +0000 | [diff] [blame] | 1651 | e_dbg("ANYSTATE -> AN_PROG\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1652 | } |
| 1653 | } |
| 1654 | } |
| 1655 | |
| 1656 | return ret_val; |
| 1657 | } |
| 1658 | |
| 1659 | /** |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1660 | * e1000_valid_led_default_82571 - Verify a valid default LED config |
| 1661 | * @hw: pointer to the HW structure |
| 1662 | * @data: pointer to the NVM (EEPROM) |
| 1663 | * |
| 1664 | * Read the EEPROM for the current default LED configuration. If the |
| 1665 | * LED configuration is not valid, set to a valid LED configuration. |
| 1666 | **/ |
| 1667 | static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data) |
| 1668 | { |
| 1669 | s32 ret_val; |
| 1670 | |
| 1671 | ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data); |
| 1672 | if (ret_val) { |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1673 | e_dbg("NVM Read Error\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1674 | return ret_val; |
| 1675 | } |
| 1676 | |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1677 | switch (hw->mac.type) { |
| 1678 | case e1000_82573: |
| 1679 | case e1000_82574: |
| 1680 | case e1000_82583: |
| 1681 | if (*data == ID_LED_RESERVED_F746) |
| 1682 | *data = ID_LED_DEFAULT_82573; |
| 1683 | break; |
| 1684 | default: |
| 1685 | if (*data == ID_LED_RESERVED_0000 || |
| 1686 | *data == ID_LED_RESERVED_FFFF) |
| 1687 | *data = ID_LED_DEFAULT; |
| 1688 | break; |
| 1689 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1690 | |
| 1691 | return 0; |
| 1692 | } |
| 1693 | |
| 1694 | /** |
| 1695 | * e1000e_get_laa_state_82571 - Get locally administered address state |
| 1696 | * @hw: pointer to the HW structure |
| 1697 | * |
Auke Kok | 489815c | 2008-02-21 15:11:07 -0800 | [diff] [blame] | 1698 | * Retrieve and return the current locally administered address state. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1699 | **/ |
| 1700 | bool e1000e_get_laa_state_82571(struct e1000_hw *hw) |
| 1701 | { |
| 1702 | if (hw->mac.type != e1000_82571) |
Bruce Allan | 564ea9b | 2009-11-20 23:26:44 +0000 | [diff] [blame] | 1703 | return false; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1704 | |
| 1705 | return hw->dev_spec.e82571.laa_is_present; |
| 1706 | } |
| 1707 | |
| 1708 | /** |
| 1709 | * e1000e_set_laa_state_82571 - Set locally administered address state |
| 1710 | * @hw: pointer to the HW structure |
| 1711 | * @state: enable/disable locally administered address |
| 1712 | * |
Bruce Allan | 5ff5b66 | 2009-12-01 15:51:11 +0000 | [diff] [blame] | 1713 | * Enable/Disable the current locally administered address state. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1714 | **/ |
| 1715 | void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state) |
| 1716 | { |
| 1717 | if (hw->mac.type != e1000_82571) |
| 1718 | return; |
| 1719 | |
| 1720 | hw->dev_spec.e82571.laa_is_present = state; |
| 1721 | |
| 1722 | /* If workaround is activated... */ |
| 1723 | if (state) |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1724 | /* Hold a copy of the LAA in RAR[14] This is done so that |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1725 | * between the time RAR[0] gets clobbered and the time it |
| 1726 | * gets fixed, the actual LAA is in one of the RARs and no |
| 1727 | * incoming packets directed to this port are dropped. |
| 1728 | * Eventually the LAA will be in RAR[0] and RAR[14]. |
| 1729 | */ |
Bruce Allan | 69e1e01 | 2012-04-14 03:28:50 +0000 | [diff] [blame] | 1730 | hw->mac.ops.rar_set(hw, hw->mac.addr, |
| 1731 | hw->mac.rar_entry_count - 1); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1732 | } |
| 1733 | |
| 1734 | /** |
| 1735 | * e1000_fix_nvm_checksum_82571 - Fix EEPROM checksum |
| 1736 | * @hw: pointer to the HW structure |
| 1737 | * |
| 1738 | * Verifies that the EEPROM has completed the update. After updating the |
| 1739 | * EEPROM, we need to check bit 15 in work 0x23 for the checksum fix. If |
| 1740 | * the checksum fix is not implemented, we need to set the bit and update |
| 1741 | * the checksum. Otherwise, if bit 15 is set and the checksum is incorrect, |
| 1742 | * we need to return bad checksum. |
| 1743 | **/ |
| 1744 | static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw) |
| 1745 | { |
| 1746 | struct e1000_nvm_info *nvm = &hw->nvm; |
| 1747 | s32 ret_val; |
| 1748 | u16 data; |
| 1749 | |
| 1750 | if (nvm->type != e1000_nvm_flash_hw) |
| 1751 | return 0; |
| 1752 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1753 | /* Check bit 4 of word 10h. If it is 0, firmware is done updating |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1754 | * 10h-12h. Checksum may need to be fixed. |
| 1755 | */ |
| 1756 | ret_val = e1000_read_nvm(hw, 0x10, 1, &data); |
| 1757 | if (ret_val) |
| 1758 | return ret_val; |
| 1759 | |
| 1760 | if (!(data & 0x10)) { |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1761 | /* Read 0x23 and check bit 15. This bit is a 1 |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1762 | * when the checksum has already been fixed. If |
| 1763 | * the checksum is still wrong and this bit is a |
| 1764 | * 1, we need to return bad checksum. Otherwise, |
| 1765 | * we need to set this bit to a 1 and update the |
| 1766 | * checksum. |
| 1767 | */ |
| 1768 | ret_val = e1000_read_nvm(hw, 0x23, 1, &data); |
| 1769 | if (ret_val) |
| 1770 | return ret_val; |
| 1771 | |
| 1772 | if (!(data & 0x8000)) { |
| 1773 | data |= 0x8000; |
| 1774 | ret_val = e1000_write_nvm(hw, 0x23, 1, &data); |
| 1775 | if (ret_val) |
| 1776 | return ret_val; |
| 1777 | ret_val = e1000e_update_nvm_checksum(hw); |
Bruce Allan | 7dbbe5d | 2013-01-05 05:08:31 +0000 | [diff] [blame] | 1778 | if (ret_val) |
| 1779 | return ret_val; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1780 | } |
| 1781 | } |
| 1782 | |
| 1783 | return 0; |
| 1784 | } |
| 1785 | |
| 1786 | /** |
Bruce Allan | 608f8a0 | 2010-01-13 02:04:58 +0000 | [diff] [blame] | 1787 | * e1000_read_mac_addr_82571 - Read device MAC address |
| 1788 | * @hw: pointer to the HW structure |
| 1789 | **/ |
| 1790 | static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw) |
| 1791 | { |
Bruce Allan | 1aef70e | 2010-08-19 15:48:52 -0700 | [diff] [blame] | 1792 | if (hw->mac.type == e1000_82571) { |
Bruce Allan | 70806a7 | 2013-01-05 05:08:37 +0000 | [diff] [blame] | 1793 | s32 ret_val; |
Bruce Allan | 5015e53 | 2012-02-08 02:55:56 +0000 | [diff] [blame] | 1794 | |
Bruce Allan | e921eb1 | 2012-11-28 09:28:37 +0000 | [diff] [blame] | 1795 | /* If there's an alternate MAC address place it in RAR0 |
Bruce Allan | 1aef70e | 2010-08-19 15:48:52 -0700 | [diff] [blame] | 1796 | * so that it will override the Si installed default perm |
| 1797 | * address. |
| 1798 | */ |
| 1799 | ret_val = e1000_check_alt_mac_addr_generic(hw); |
| 1800 | if (ret_val) |
Bruce Allan | 5015e53 | 2012-02-08 02:55:56 +0000 | [diff] [blame] | 1801 | return ret_val; |
Bruce Allan | 1aef70e | 2010-08-19 15:48:52 -0700 | [diff] [blame] | 1802 | } |
Bruce Allan | 608f8a0 | 2010-01-13 02:04:58 +0000 | [diff] [blame] | 1803 | |
Bruce Allan | 5015e53 | 2012-02-08 02:55:56 +0000 | [diff] [blame] | 1804 | return e1000_read_mac_addr_generic(hw); |
Bruce Allan | 608f8a0 | 2010-01-13 02:04:58 +0000 | [diff] [blame] | 1805 | } |
| 1806 | |
| 1807 | /** |
Bruce Allan | 17f208d | 2009-12-01 15:47:22 +0000 | [diff] [blame] | 1808 | * e1000_power_down_phy_copper_82571 - Remove link during PHY power down |
| 1809 | * @hw: pointer to the HW structure |
| 1810 | * |
| 1811 | * In the case of a PHY power down to save power, or to turn off link during a |
| 1812 | * driver unload, or wake on lan is not enabled, remove the link. |
| 1813 | **/ |
| 1814 | static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw) |
| 1815 | { |
| 1816 | struct e1000_phy_info *phy = &hw->phy; |
| 1817 | struct e1000_mac_info *mac = &hw->mac; |
| 1818 | |
Bruce Allan | 668018d | 2012-01-31 07:02:56 +0000 | [diff] [blame] | 1819 | if (!phy->ops.check_reset_block) |
Bruce Allan | 17f208d | 2009-12-01 15:47:22 +0000 | [diff] [blame] | 1820 | return; |
| 1821 | |
| 1822 | /* If the management interface is not enabled, then power down */ |
| 1823 | if (!(mac->ops.check_mng_mode(hw) || phy->ops.check_reset_block(hw))) |
| 1824 | e1000_power_down_phy_copper(hw); |
Bruce Allan | 17f208d | 2009-12-01 15:47:22 +0000 | [diff] [blame] | 1825 | } |
| 1826 | |
| 1827 | /** |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1828 | * e1000_clear_hw_cntrs_82571 - Clear device specific hardware counters |
| 1829 | * @hw: pointer to the HW structure |
| 1830 | * |
| 1831 | * Clears the hardware counters by reading the counter registers. |
| 1832 | **/ |
| 1833 | static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw) |
| 1834 | { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1835 | e1000e_clear_hw_cntrs_base(hw); |
| 1836 | |
Bruce Allan | 99673d9 | 2009-11-20 23:27:21 +0000 | [diff] [blame] | 1837 | er32(PRC64); |
| 1838 | er32(PRC127); |
| 1839 | er32(PRC255); |
| 1840 | er32(PRC511); |
| 1841 | er32(PRC1023); |
| 1842 | er32(PRC1522); |
| 1843 | er32(PTC64); |
| 1844 | er32(PTC127); |
| 1845 | er32(PTC255); |
| 1846 | er32(PTC511); |
| 1847 | er32(PTC1023); |
| 1848 | er32(PTC1522); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1849 | |
Bruce Allan | 99673d9 | 2009-11-20 23:27:21 +0000 | [diff] [blame] | 1850 | er32(ALGNERRC); |
| 1851 | er32(RXERRC); |
| 1852 | er32(TNCRS); |
| 1853 | er32(CEXTERR); |
| 1854 | er32(TSCTC); |
| 1855 | er32(TSCTFC); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1856 | |
Bruce Allan | 99673d9 | 2009-11-20 23:27:21 +0000 | [diff] [blame] | 1857 | er32(MGTPRC); |
| 1858 | er32(MGTPDC); |
| 1859 | er32(MGTPTC); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1860 | |
Bruce Allan | 99673d9 | 2009-11-20 23:27:21 +0000 | [diff] [blame] | 1861 | er32(IAC); |
| 1862 | er32(ICRXOC); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1863 | |
Bruce Allan | 99673d9 | 2009-11-20 23:27:21 +0000 | [diff] [blame] | 1864 | er32(ICRXPTC); |
| 1865 | er32(ICRXATC); |
| 1866 | er32(ICTXPTC); |
| 1867 | er32(ICTXATC); |
| 1868 | er32(ICTXQEC); |
| 1869 | er32(ICTXQMTC); |
| 1870 | er32(ICRXDMTC); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1871 | } |
| 1872 | |
Jeff Kirsher | 8ce9d6c | 2011-09-24 13:23:52 +0000 | [diff] [blame] | 1873 | static const struct e1000_mac_operations e82571_mac_ops = { |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1874 | /* .check_mng_mode: mac type dependent */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1875 | /* .check_for_link: media type dependent */ |
Bruce Allan | d1964eb | 2012-02-22 09:02:21 +0000 | [diff] [blame] | 1876 | .id_led_init = e1000e_id_led_init_generic, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1877 | .cleanup_led = e1000e_cleanup_led_generic, |
| 1878 | .clear_hw_cntrs = e1000_clear_hw_cntrs_82571, |
| 1879 | .get_bus_info = e1000e_get_bus_info_pcie, |
Bruce Allan | f4d2dd4 | 2010-01-13 02:05:18 +0000 | [diff] [blame] | 1880 | .set_lan_id = e1000_set_lan_id_multi_port_pcie, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1881 | /* .get_link_up_info: media type dependent */ |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1882 | /* .led_on: mac type dependent */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1883 | .led_off = e1000e_led_off_generic, |
Bruce Allan | ab8932f | 2010-01-13 02:05:38 +0000 | [diff] [blame] | 1884 | .update_mc_addr_list = e1000e_update_mc_addr_list_generic, |
Bruce Allan | caaddaf | 2009-12-01 15:46:43 +0000 | [diff] [blame] | 1885 | .write_vfta = e1000_write_vfta_generic, |
| 1886 | .clear_vfta = e1000_clear_vfta_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1887 | .reset_hw = e1000_reset_hw_82571, |
| 1888 | .init_hw = e1000_init_hw_82571, |
| 1889 | .setup_link = e1000_setup_link_82571, |
| 1890 | /* .setup_physical_interface: media type dependent */ |
Bruce Allan | a4f58f5 | 2009-06-02 11:29:18 +0000 | [diff] [blame] | 1891 | .setup_led = e1000e_setup_led_generic, |
Bruce Allan | 57cde76 | 2012-02-22 09:02:58 +0000 | [diff] [blame] | 1892 | .config_collision_dist = e1000e_config_collision_dist_generic, |
Bruce Allan | 608f8a0 | 2010-01-13 02:04:58 +0000 | [diff] [blame] | 1893 | .read_mac_addr = e1000_read_mac_addr_82571, |
Bruce Allan | 69e1e01 | 2012-04-14 03:28:50 +0000 | [diff] [blame] | 1894 | .rar_set = e1000e_rar_set_generic, |
David Ertman | b3e5bf1 | 2014-05-06 03:50:17 +0000 | [diff] [blame] | 1895 | .rar_get_count = e1000e_rar_get_count_generic, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1896 | }; |
| 1897 | |
Jeff Kirsher | 8ce9d6c | 2011-09-24 13:23:52 +0000 | [diff] [blame] | 1898 | static const struct e1000_phy_operations e82_phy_ops_igp = { |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1899 | .acquire = e1000_get_hw_semaphore_82571, |
Bruce Allan | 94e5b65 | 2009-12-02 17:02:14 +0000 | [diff] [blame] | 1900 | .check_polarity = e1000_check_polarity_igp, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1901 | .check_reset_block = e1000e_check_reset_block_generic, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1902 | .commit = NULL, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1903 | .force_speed_duplex = e1000e_phy_force_speed_duplex_igp, |
| 1904 | .get_cfg_done = e1000_get_cfg_done_82571, |
| 1905 | .get_cable_length = e1000e_get_cable_length_igp_2, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1906 | .get_info = e1000e_get_phy_info_igp, |
| 1907 | .read_reg = e1000e_read_phy_reg_igp, |
| 1908 | .release = e1000_put_hw_semaphore_82571, |
| 1909 | .reset = e1000e_phy_hw_reset_generic, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1910 | .set_d0_lplu_state = e1000_set_d0_lplu_state_82571, |
| 1911 | .set_d3_lplu_state = e1000e_set_d3_lplu_state, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1912 | .write_reg = e1000e_write_phy_reg_igp, |
Bruce Allan | 55c5f55 | 2013-01-12 07:28:24 +0000 | [diff] [blame] | 1913 | .cfg_on_link_up = NULL, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1914 | }; |
| 1915 | |
Jeff Kirsher | 8ce9d6c | 2011-09-24 13:23:52 +0000 | [diff] [blame] | 1916 | static const struct e1000_phy_operations e82_phy_ops_m88 = { |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1917 | .acquire = e1000_get_hw_semaphore_82571, |
Bruce Allan | 94e5b65 | 2009-12-02 17:02:14 +0000 | [diff] [blame] | 1918 | .check_polarity = e1000_check_polarity_m88, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1919 | .check_reset_block = e1000e_check_reset_block_generic, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1920 | .commit = e1000e_phy_sw_reset, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1921 | .force_speed_duplex = e1000e_phy_force_speed_duplex_m88, |
Bruce Allan | fe90849 | 2013-01-05 08:06:14 +0000 | [diff] [blame] | 1922 | .get_cfg_done = e1000e_get_cfg_done_generic, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1923 | .get_cable_length = e1000e_get_cable_length_m88, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1924 | .get_info = e1000e_get_phy_info_m88, |
| 1925 | .read_reg = e1000e_read_phy_reg_m88, |
| 1926 | .release = e1000_put_hw_semaphore_82571, |
| 1927 | .reset = e1000e_phy_hw_reset_generic, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1928 | .set_d0_lplu_state = e1000_set_d0_lplu_state_82571, |
| 1929 | .set_d3_lplu_state = e1000e_set_d3_lplu_state, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1930 | .write_reg = e1000e_write_phy_reg_m88, |
Bruce Allan | 55c5f55 | 2013-01-12 07:28:24 +0000 | [diff] [blame] | 1931 | .cfg_on_link_up = NULL, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1932 | }; |
| 1933 | |
Jeff Kirsher | 8ce9d6c | 2011-09-24 13:23:52 +0000 | [diff] [blame] | 1934 | static const struct e1000_phy_operations e82_phy_ops_bm = { |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1935 | .acquire = e1000_get_hw_semaphore_82571, |
Bruce Allan | 94e5b65 | 2009-12-02 17:02:14 +0000 | [diff] [blame] | 1936 | .check_polarity = e1000_check_polarity_m88, |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1937 | .check_reset_block = e1000e_check_reset_block_generic, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1938 | .commit = e1000e_phy_sw_reset, |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1939 | .force_speed_duplex = e1000e_phy_force_speed_duplex_m88, |
Bruce Allan | fe90849 | 2013-01-05 08:06:14 +0000 | [diff] [blame] | 1940 | .get_cfg_done = e1000e_get_cfg_done_generic, |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1941 | .get_cable_length = e1000e_get_cable_length_m88, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1942 | .get_info = e1000e_get_phy_info_m88, |
| 1943 | .read_reg = e1000e_read_phy_reg_bm2, |
| 1944 | .release = e1000_put_hw_semaphore_82571, |
| 1945 | .reset = e1000e_phy_hw_reset_generic, |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1946 | .set_d0_lplu_state = e1000_set_d0_lplu_state_82571, |
| 1947 | .set_d3_lplu_state = e1000e_set_d3_lplu_state, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1948 | .write_reg = e1000e_write_phy_reg_bm2, |
Bruce Allan | 55c5f55 | 2013-01-12 07:28:24 +0000 | [diff] [blame] | 1949 | .cfg_on_link_up = NULL, |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1950 | }; |
| 1951 | |
Jeff Kirsher | 8ce9d6c | 2011-09-24 13:23:52 +0000 | [diff] [blame] | 1952 | static const struct e1000_nvm_operations e82571_nvm_ops = { |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1953 | .acquire = e1000_acquire_nvm_82571, |
| 1954 | .read = e1000e_read_nvm_eerd, |
| 1955 | .release = e1000_release_nvm_82571, |
Bruce Allan | e85e363 | 2012-02-22 09:03:14 +0000 | [diff] [blame] | 1956 | .reload = e1000e_reload_nvm_generic, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1957 | .update = e1000_update_nvm_checksum_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1958 | .valid_led_default = e1000_valid_led_default_82571, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame] | 1959 | .validate = e1000_validate_nvm_checksum_82571, |
| 1960 | .write = e1000_write_nvm_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1961 | }; |
| 1962 | |
Jeff Kirsher | 8ce9d6c | 2011-09-24 13:23:52 +0000 | [diff] [blame] | 1963 | const struct e1000_info e1000_82571_info = { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1964 | .mac = e1000_82571, |
| 1965 | .flags = FLAG_HAS_HW_VLAN_FILTER |
| 1966 | | FLAG_HAS_JUMBO_FRAMES |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1967 | | FLAG_HAS_WOL |
| 1968 | | FLAG_APME_IN_CTRL3 |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1969 | | FLAG_HAS_CTRLEXT_ON_LOAD |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1970 | | FLAG_HAS_SMART_POWER_DOWN |
| 1971 | | FLAG_RESET_OVERWRITES_LAA /* errata */ |
| 1972 | | FLAG_TARC_SPEED_MODE_BIT /* errata */ |
| 1973 | | FLAG_APME_CHECK_PORT_B, |
Jesse Brandeburg | 3a3b758 | 2010-09-29 21:38:49 +0000 | [diff] [blame] | 1974 | .flags2 = FLAG2_DISABLE_ASPM_L1 /* errata 13 */ |
| 1975 | | FLAG2_DMA_BURST, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1976 | .pba = 38, |
Bruce Allan | 2adc55c | 2009-06-02 11:28:58 +0000 | [diff] [blame] | 1977 | .max_hw_frame_size = DEFAULT_JUMBO, |
Jeff Kirsher | 69e3fd8 | 2008-04-02 13:48:18 -0700 | [diff] [blame] | 1978 | .get_variants = e1000_get_variants_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1979 | .mac_ops = &e82571_mac_ops, |
| 1980 | .phy_ops = &e82_phy_ops_igp, |
| 1981 | .nvm_ops = &e82571_nvm_ops, |
| 1982 | }; |
| 1983 | |
Jeff Kirsher | 8ce9d6c | 2011-09-24 13:23:52 +0000 | [diff] [blame] | 1984 | const struct e1000_info e1000_82572_info = { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1985 | .mac = e1000_82572, |
| 1986 | .flags = FLAG_HAS_HW_VLAN_FILTER |
| 1987 | | FLAG_HAS_JUMBO_FRAMES |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1988 | | FLAG_HAS_WOL |
| 1989 | | FLAG_APME_IN_CTRL3 |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1990 | | FLAG_HAS_CTRLEXT_ON_LOAD |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1991 | | FLAG_TARC_SPEED_MODE_BIT, /* errata */ |
Jesse Brandeburg | 3a3b758 | 2010-09-29 21:38:49 +0000 | [diff] [blame] | 1992 | .flags2 = FLAG2_DISABLE_ASPM_L1 /* errata 13 */ |
| 1993 | | FLAG2_DMA_BURST, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1994 | .pba = 38, |
Bruce Allan | 2adc55c | 2009-06-02 11:28:58 +0000 | [diff] [blame] | 1995 | .max_hw_frame_size = DEFAULT_JUMBO, |
Jeff Kirsher | 69e3fd8 | 2008-04-02 13:48:18 -0700 | [diff] [blame] | 1996 | .get_variants = e1000_get_variants_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1997 | .mac_ops = &e82571_mac_ops, |
| 1998 | .phy_ops = &e82_phy_ops_igp, |
| 1999 | .nvm_ops = &e82571_nvm_ops, |
| 2000 | }; |
| 2001 | |
Jeff Kirsher | 8ce9d6c | 2011-09-24 13:23:52 +0000 | [diff] [blame] | 2002 | const struct e1000_info e1000_82573_info = { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 2003 | .mac = e1000_82573, |
| 2004 | .flags = FLAG_HAS_HW_VLAN_FILTER |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 2005 | | FLAG_HAS_WOL |
| 2006 | | FLAG_APME_IN_CTRL3 |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 2007 | | FLAG_HAS_SMART_POWER_DOWN |
| 2008 | | FLAG_HAS_AMT |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 2009 | | FLAG_HAS_SWSM_ON_LOAD, |
Bruce Allan | 78cd29d | 2011-03-24 03:09:03 +0000 | [diff] [blame] | 2010 | .flags2 = FLAG2_DISABLE_ASPM_L1 |
| 2011 | | FLAG2_DISABLE_ASPM_L0S, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 2012 | .pba = 20, |
Alexander Duyck | 8084b86 | 2015-05-02 00:52:00 -0700 | [diff] [blame] | 2013 | .max_hw_frame_size = VLAN_ETH_FRAME_LEN + ETH_FCS_LEN, |
Jeff Kirsher | 69e3fd8 | 2008-04-02 13:48:18 -0700 | [diff] [blame] | 2014 | .get_variants = e1000_get_variants_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 2015 | .mac_ops = &e82571_mac_ops, |
| 2016 | .phy_ops = &e82_phy_ops_m88, |
Auke Kok | 31f8c4f | 2008-02-21 15:10:47 -0800 | [diff] [blame] | 2017 | .nvm_ops = &e82571_nvm_ops, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 2018 | }; |
| 2019 | |
Jeff Kirsher | 8ce9d6c | 2011-09-24 13:23:52 +0000 | [diff] [blame] | 2020 | const struct e1000_info e1000_82574_info = { |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 2021 | .mac = e1000_82574, |
| 2022 | .flags = FLAG_HAS_HW_VLAN_FILTER |
| 2023 | | FLAG_HAS_MSIX |
| 2024 | | FLAG_HAS_JUMBO_FRAMES |
| 2025 | | FLAG_HAS_WOL |
Bruce Allan | b67e191 | 2012-12-27 08:32:33 +0000 | [diff] [blame] | 2026 | | FLAG_HAS_HW_TIMESTAMP |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 2027 | | FLAG_APME_IN_CTRL3 |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 2028 | | FLAG_HAS_SMART_POWER_DOWN |
| 2029 | | FLAG_HAS_AMT |
| 2030 | | FLAG_HAS_CTRLEXT_ON_LOAD, |
Chris Boot | d4a4206 | 2012-04-24 07:24:52 +0000 | [diff] [blame] | 2031 | .flags2 = FLAG2_CHECK_PHY_HANG |
Bruce Allan | 7f99ae6 | 2011-07-22 06:21:35 +0000 | [diff] [blame] | 2032 | | FLAG2_DISABLE_ASPM_L0S |
Chris Boot | d4a4206 | 2012-04-24 07:24:52 +0000 | [diff] [blame] | 2033 | | FLAG2_DISABLE_ASPM_L1 |
Matthew Vick | 2cb7a9c | 2012-03-16 09:02:59 +0000 | [diff] [blame] | 2034 | | FLAG2_NO_DISABLE_RX |
| 2035 | | FLAG2_DMA_BURST, |
Bruce Allan | ed5c2b0 | 2010-11-24 06:01:25 +0000 | [diff] [blame] | 2036 | .pba = 32, |
Alexander Duyck | a825e00 | 2009-10-02 12:30:42 +0000 | [diff] [blame] | 2037 | .max_hw_frame_size = DEFAULT_JUMBO, |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 2038 | .get_variants = e1000_get_variants_82571, |
| 2039 | .mac_ops = &e82571_mac_ops, |
| 2040 | .phy_ops = &e82_phy_ops_bm, |
| 2041 | .nvm_ops = &e82571_nvm_ops, |
| 2042 | }; |
| 2043 | |
Jeff Kirsher | 8ce9d6c | 2011-09-24 13:23:52 +0000 | [diff] [blame] | 2044 | const struct e1000_info e1000_82583_info = { |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 2045 | .mac = e1000_82583, |
| 2046 | .flags = FLAG_HAS_HW_VLAN_FILTER |
| 2047 | | FLAG_HAS_WOL |
Bruce Allan | b67e191 | 2012-12-27 08:32:33 +0000 | [diff] [blame] | 2048 | | FLAG_HAS_HW_TIMESTAMP |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 2049 | | FLAG_APME_IN_CTRL3 |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 2050 | | FLAG_HAS_SMART_POWER_DOWN |
| 2051 | | FLAG_HAS_AMT |
Carolyn Wyborny | a3d72d5 | 2011-07-12 16:10:11 +0000 | [diff] [blame] | 2052 | | FLAG_HAS_JUMBO_FRAMES |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 2053 | | FLAG_HAS_CTRLEXT_ON_LOAD, |
Bruce Allan | 7f99ae6 | 2011-07-22 06:21:35 +0000 | [diff] [blame] | 2054 | .flags2 = FLAG2_DISABLE_ASPM_L0S |
Bruce Allan | b43e867 | 2013-06-21 09:07:18 +0000 | [diff] [blame] | 2055 | | FLAG2_DISABLE_ASPM_L1 |
Bruce Allan | 7f99ae6 | 2011-07-22 06:21:35 +0000 | [diff] [blame] | 2056 | | FLAG2_NO_DISABLE_RX, |
Bruce Allan | ed5c2b0 | 2010-11-24 06:01:25 +0000 | [diff] [blame] | 2057 | .pba = 32, |
Carolyn Wyborny | a3d72d5 | 2011-07-12 16:10:11 +0000 | [diff] [blame] | 2058 | .max_hw_frame_size = DEFAULT_JUMBO, |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 2059 | .get_variants = e1000_get_variants_82571, |
| 2060 | .mac_ops = &e82571_mac_ops, |
| 2061 | .phy_ops = &e82_phy_ops_bm, |
| 2062 | .nvm_ops = &e82571_nvm_ops, |
| 2063 | }; |