Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | |
| 3 | Intel PRO/1000 Linux driver |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 4 | Copyright(c) 1999 - 2008 Intel Corporation. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 5 | |
| 6 | This program is free software; you can redistribute it and/or modify it |
| 7 | under the terms and conditions of the GNU General Public License, |
| 8 | version 2, as published by the Free Software Foundation. |
| 9 | |
| 10 | This program is distributed in the hope it will be useful, but WITHOUT |
| 11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License along with |
| 16 | this program; if not, write to the Free Software Foundation, Inc., |
| 17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | |
| 19 | The full GNU General Public License is included in this distribution in |
| 20 | the file called "COPYING". |
| 21 | |
| 22 | Contact Information: |
| 23 | Linux NICS <linux.nics@intel.com> |
| 24 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 25 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 26 | |
| 27 | *******************************************************************************/ |
| 28 | |
| 29 | /* |
| 30 | * 82571EB Gigabit Ethernet Controller |
Bruce Allan | 1605927 | 2008-11-21 16:51:06 -0800 | [diff] [blame] | 31 | * 82571EB Gigabit Ethernet Controller (Copper) |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 32 | * 82571EB Gigabit Ethernet Controller (Fiber) |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 33 | * 82571EB Dual Port Gigabit Mezzanine Adapter |
| 34 | * 82571EB Quad Port Gigabit Mezzanine Adapter |
| 35 | * 82571PT Gigabit PT Quad Port Server ExpressModule |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 36 | * 82572EI Gigabit Ethernet Controller (Copper) |
| 37 | * 82572EI Gigabit Ethernet Controller (Fiber) |
| 38 | * 82572EI Gigabit Ethernet Controller |
| 39 | * 82573V Gigabit Ethernet Controller (Copper) |
| 40 | * 82573E Gigabit Ethernet Controller (Copper) |
| 41 | * 82573L Gigabit Ethernet Controller |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 42 | * 82574L Gigabit Network Connection |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 43 | * 82583V Gigabit Network Connection |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 44 | */ |
| 45 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 46 | #include "e1000.h" |
| 47 | |
| 48 | #define ID_LED_RESERVED_F746 0xF746 |
| 49 | #define ID_LED_DEFAULT_82573 ((ID_LED_DEF1_DEF2 << 12) | \ |
| 50 | (ID_LED_OFF1_ON2 << 8) | \ |
| 51 | (ID_LED_DEF1_DEF2 << 4) | \ |
| 52 | (ID_LED_DEF1_DEF2)) |
| 53 | |
| 54 | #define E1000_GCR_L1_ACT_WITHOUT_L0S_RX 0x08000000 |
| 55 | |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 56 | #define E1000_NVM_INIT_CTRL2_MNGM 0x6000 /* Manageability Operation Mode mask */ |
| 57 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 58 | static s32 e1000_get_phy_id_82571(struct e1000_hw *hw); |
| 59 | static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw); |
| 60 | static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 61 | static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 62 | static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset, |
| 63 | u16 words, u16 *data); |
| 64 | static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw); |
| 65 | static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw); |
| 66 | static s32 e1000_setup_link_82571(struct e1000_hw *hw); |
| 67 | static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw); |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 68 | static bool e1000_check_mng_mode_82574(struct e1000_hw *hw); |
| 69 | static s32 e1000_led_on_82574(struct e1000_hw *hw); |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 70 | static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 71 | |
| 72 | /** |
| 73 | * e1000_init_phy_params_82571 - Init PHY func ptrs. |
| 74 | * @hw: pointer to the HW structure |
| 75 | * |
| 76 | * This is a function pointer entry point called by the api module. |
| 77 | **/ |
| 78 | static s32 e1000_init_phy_params_82571(struct e1000_hw *hw) |
| 79 | { |
| 80 | struct e1000_phy_info *phy = &hw->phy; |
| 81 | s32 ret_val; |
| 82 | |
Jeff Kirsher | 318a94d | 2008-03-28 09:15:16 -0700 | [diff] [blame] | 83 | if (hw->phy.media_type != e1000_media_type_copper) { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 84 | phy->type = e1000_phy_none; |
| 85 | return 0; |
| 86 | } |
| 87 | |
| 88 | phy->addr = 1; |
| 89 | phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; |
| 90 | phy->reset_delay_us = 100; |
| 91 | |
| 92 | switch (hw->mac.type) { |
| 93 | case e1000_82571: |
| 94 | case e1000_82572: |
| 95 | phy->type = e1000_phy_igp_2; |
| 96 | break; |
| 97 | case e1000_82573: |
| 98 | phy->type = e1000_phy_m88; |
| 99 | break; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 100 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 101 | case e1000_82583: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 102 | phy->type = e1000_phy_bm; |
| 103 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 104 | default: |
| 105 | return -E1000_ERR_PHY; |
| 106 | break; |
| 107 | } |
| 108 | |
| 109 | /* This can only be done after all function pointers are setup. */ |
| 110 | ret_val = e1000_get_phy_id_82571(hw); |
| 111 | |
| 112 | /* Verify phy id */ |
| 113 | switch (hw->mac.type) { |
| 114 | case e1000_82571: |
| 115 | case e1000_82572: |
| 116 | if (phy->id != IGP01E1000_I_PHY_ID) |
| 117 | return -E1000_ERR_PHY; |
| 118 | break; |
| 119 | case e1000_82573: |
| 120 | if (phy->id != M88E1111_I_PHY_ID) |
| 121 | return -E1000_ERR_PHY; |
| 122 | break; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 123 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 124 | case e1000_82583: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 125 | if (phy->id != BME1000_E_PHY_ID_R2) |
| 126 | return -E1000_ERR_PHY; |
| 127 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 128 | default: |
| 129 | return -E1000_ERR_PHY; |
| 130 | break; |
| 131 | } |
| 132 | |
| 133 | return 0; |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * e1000_init_nvm_params_82571 - Init NVM func ptrs. |
| 138 | * @hw: pointer to the HW structure |
| 139 | * |
| 140 | * This is a function pointer entry point called by the api module. |
| 141 | **/ |
| 142 | static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw) |
| 143 | { |
| 144 | struct e1000_nvm_info *nvm = &hw->nvm; |
| 145 | u32 eecd = er32(EECD); |
| 146 | u16 size; |
| 147 | |
| 148 | nvm->opcode_bits = 8; |
| 149 | nvm->delay_usec = 1; |
| 150 | switch (nvm->override) { |
| 151 | case e1000_nvm_override_spi_large: |
| 152 | nvm->page_size = 32; |
| 153 | nvm->address_bits = 16; |
| 154 | break; |
| 155 | case e1000_nvm_override_spi_small: |
| 156 | nvm->page_size = 8; |
| 157 | nvm->address_bits = 8; |
| 158 | break; |
| 159 | default: |
| 160 | nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8; |
| 161 | nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ? 16 : 8; |
| 162 | break; |
| 163 | } |
| 164 | |
| 165 | switch (hw->mac.type) { |
| 166 | case e1000_82573: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 167 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 168 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 169 | if (((eecd >> 15) & 0x3) == 0x3) { |
| 170 | nvm->type = e1000_nvm_flash_hw; |
| 171 | nvm->word_size = 2048; |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 172 | /* |
| 173 | * Autonomous Flash update bit must be cleared due |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 174 | * to Flash update issue. |
| 175 | */ |
| 176 | eecd &= ~E1000_EECD_AUPDEN; |
| 177 | ew32(EECD, eecd); |
| 178 | break; |
| 179 | } |
| 180 | /* Fall Through */ |
| 181 | default: |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 182 | nvm->type = e1000_nvm_eeprom_spi; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 183 | size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >> |
| 184 | E1000_EECD_SIZE_EX_SHIFT); |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 185 | /* |
| 186 | * Added to a constant, "size" becomes the left-shift value |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 187 | * for setting word_size. |
| 188 | */ |
| 189 | size += NVM_WORD_SIZE_BASE_SHIFT; |
Jeff Kirsher | 8d7c294 | 2008-04-02 13:48:07 -0700 | [diff] [blame] | 190 | |
| 191 | /* EEPROM access above 16k is unsupported */ |
| 192 | if (size > 14) |
| 193 | size = 14; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 194 | nvm->word_size = 1 << size; |
| 195 | break; |
| 196 | } |
| 197 | |
| 198 | return 0; |
| 199 | } |
| 200 | |
| 201 | /** |
| 202 | * e1000_init_mac_params_82571 - Init MAC func ptrs. |
| 203 | * @hw: pointer to the HW structure |
| 204 | * |
| 205 | * This is a function pointer entry point called by the api module. |
| 206 | **/ |
| 207 | static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter) |
| 208 | { |
| 209 | struct e1000_hw *hw = &adapter->hw; |
| 210 | struct e1000_mac_info *mac = &hw->mac; |
| 211 | struct e1000_mac_operations *func = &mac->ops; |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 212 | u32 swsm = 0; |
| 213 | u32 swsm2 = 0; |
| 214 | bool force_clear_smbi = false; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 215 | |
| 216 | /* Set media type */ |
| 217 | switch (adapter->pdev->device) { |
| 218 | case E1000_DEV_ID_82571EB_FIBER: |
| 219 | case E1000_DEV_ID_82572EI_FIBER: |
| 220 | case E1000_DEV_ID_82571EB_QUAD_FIBER: |
Jeff Kirsher | 318a94d | 2008-03-28 09:15:16 -0700 | [diff] [blame] | 221 | hw->phy.media_type = e1000_media_type_fiber; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 222 | break; |
| 223 | case E1000_DEV_ID_82571EB_SERDES: |
| 224 | case E1000_DEV_ID_82572EI_SERDES: |
Auke Kok | 040babf | 2007-10-31 15:22:05 -0700 | [diff] [blame] | 225 | case E1000_DEV_ID_82571EB_SERDES_DUAL: |
| 226 | case E1000_DEV_ID_82571EB_SERDES_QUAD: |
Jeff Kirsher | 318a94d | 2008-03-28 09:15:16 -0700 | [diff] [blame] | 227 | hw->phy.media_type = e1000_media_type_internal_serdes; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 228 | break; |
| 229 | default: |
Jeff Kirsher | 318a94d | 2008-03-28 09:15:16 -0700 | [diff] [blame] | 230 | hw->phy.media_type = e1000_media_type_copper; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 231 | break; |
| 232 | } |
| 233 | |
| 234 | /* Set mta register count */ |
| 235 | mac->mta_reg_count = 128; |
| 236 | /* Set rar entry count */ |
| 237 | mac->rar_entry_count = E1000_RAR_ENTRIES; |
| 238 | /* Set if manageability features are enabled. */ |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 239 | mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK) ? 1 : 0; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 240 | |
| 241 | /* check for link */ |
Jeff Kirsher | 318a94d | 2008-03-28 09:15:16 -0700 | [diff] [blame] | 242 | switch (hw->phy.media_type) { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 243 | case e1000_media_type_copper: |
| 244 | func->setup_physical_interface = e1000_setup_copper_link_82571; |
| 245 | func->check_for_link = e1000e_check_for_copper_link; |
| 246 | func->get_link_up_info = e1000e_get_speed_and_duplex_copper; |
| 247 | break; |
| 248 | case e1000_media_type_fiber: |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 249 | func->setup_physical_interface = |
| 250 | e1000_setup_fiber_serdes_link_82571; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 251 | func->check_for_link = e1000e_check_for_fiber_link; |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 252 | func->get_link_up_info = |
| 253 | e1000e_get_speed_and_duplex_fiber_serdes; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 254 | break; |
| 255 | case e1000_media_type_internal_serdes: |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 256 | func->setup_physical_interface = |
| 257 | e1000_setup_fiber_serdes_link_82571; |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 258 | func->check_for_link = e1000_check_for_serdes_link_82571; |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 259 | func->get_link_up_info = |
| 260 | e1000e_get_speed_and_duplex_fiber_serdes; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 261 | break; |
| 262 | default: |
| 263 | return -E1000_ERR_CONFIG; |
| 264 | break; |
| 265 | } |
| 266 | |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 267 | switch (hw->mac.type) { |
| 268 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 269 | case e1000_82583: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 270 | func->check_mng_mode = e1000_check_mng_mode_82574; |
| 271 | func->led_on = e1000_led_on_82574; |
| 272 | break; |
| 273 | default: |
| 274 | func->check_mng_mode = e1000e_check_mng_mode_generic; |
| 275 | func->led_on = e1000e_led_on_generic; |
| 276 | break; |
| 277 | } |
| 278 | |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 279 | /* |
| 280 | * Ensure that the inter-port SWSM.SMBI lock bit is clear before |
| 281 | * first NVM or PHY acess. This should be done for single-port |
| 282 | * devices, and for one port only on dual-port devices so that |
| 283 | * for those devices we can still use the SMBI lock to synchronize |
| 284 | * inter-port accesses to the PHY & NVM. |
| 285 | */ |
| 286 | switch (hw->mac.type) { |
| 287 | case e1000_82571: |
| 288 | case e1000_82572: |
| 289 | swsm2 = er32(SWSM2); |
| 290 | |
| 291 | if (!(swsm2 & E1000_SWSM2_LOCK)) { |
| 292 | /* Only do this for the first interface on this card */ |
| 293 | ew32(SWSM2, |
| 294 | swsm2 | E1000_SWSM2_LOCK); |
| 295 | force_clear_smbi = true; |
| 296 | } else |
| 297 | force_clear_smbi = false; |
| 298 | break; |
| 299 | default: |
| 300 | force_clear_smbi = true; |
| 301 | break; |
| 302 | } |
| 303 | |
| 304 | if (force_clear_smbi) { |
| 305 | /* Make sure SWSM.SMBI is clear */ |
| 306 | swsm = er32(SWSM); |
| 307 | if (swsm & E1000_SWSM_SMBI) { |
| 308 | /* This bit should not be set on a first interface, and |
| 309 | * indicates that the bootagent or EFI code has |
| 310 | * improperly left this bit enabled |
| 311 | */ |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 312 | e_dbg("Please update your 82571 Bootagent\n"); |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 313 | } |
| 314 | ew32(SWSM, swsm & ~E1000_SWSM_SMBI); |
| 315 | } |
| 316 | |
| 317 | /* |
| 318 | * Initialze device specific counter of SMBI acquisition |
| 319 | * timeouts. |
| 320 | */ |
| 321 | hw->dev_spec.e82571.smb_counter = 0; |
| 322 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 323 | return 0; |
| 324 | } |
| 325 | |
Jeff Kirsher | 69e3fd8 | 2008-04-02 13:48:18 -0700 | [diff] [blame] | 326 | static s32 e1000_get_variants_82571(struct e1000_adapter *adapter) |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 327 | { |
| 328 | struct e1000_hw *hw = &adapter->hw; |
| 329 | static int global_quad_port_a; /* global port a indication */ |
| 330 | struct pci_dev *pdev = adapter->pdev; |
| 331 | u16 eeprom_data = 0; |
| 332 | int is_port_b = er32(STATUS) & E1000_STATUS_FUNC_1; |
| 333 | s32 rc; |
| 334 | |
| 335 | rc = e1000_init_mac_params_82571(adapter); |
| 336 | if (rc) |
| 337 | return rc; |
| 338 | |
| 339 | rc = e1000_init_nvm_params_82571(hw); |
| 340 | if (rc) |
| 341 | return rc; |
| 342 | |
| 343 | rc = e1000_init_phy_params_82571(hw); |
| 344 | if (rc) |
| 345 | return rc; |
| 346 | |
| 347 | /* tag quad port adapters first, it's used below */ |
| 348 | switch (pdev->device) { |
| 349 | case E1000_DEV_ID_82571EB_QUAD_COPPER: |
| 350 | case E1000_DEV_ID_82571EB_QUAD_FIBER: |
| 351 | case E1000_DEV_ID_82571EB_QUAD_COPPER_LP: |
Auke Kok | 040babf | 2007-10-31 15:22:05 -0700 | [diff] [blame] | 352 | case E1000_DEV_ID_82571PT_QUAD_COPPER: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 353 | adapter->flags |= FLAG_IS_QUAD_PORT; |
| 354 | /* mark the first port */ |
| 355 | if (global_quad_port_a == 0) |
| 356 | adapter->flags |= FLAG_IS_QUAD_PORT_A; |
| 357 | /* Reset for multiple quad port adapters */ |
| 358 | global_quad_port_a++; |
| 359 | if (global_quad_port_a == 4) |
| 360 | global_quad_port_a = 0; |
| 361 | break; |
| 362 | default: |
| 363 | break; |
| 364 | } |
| 365 | |
| 366 | switch (adapter->hw.mac.type) { |
| 367 | case e1000_82571: |
| 368 | /* these dual ports don't have WoL on port B at all */ |
| 369 | if (((pdev->device == E1000_DEV_ID_82571EB_FIBER) || |
| 370 | (pdev->device == E1000_DEV_ID_82571EB_SERDES) || |
| 371 | (pdev->device == E1000_DEV_ID_82571EB_COPPER)) && |
| 372 | (is_port_b)) |
| 373 | adapter->flags &= ~FLAG_HAS_WOL; |
| 374 | /* quad ports only support WoL on port A */ |
| 375 | if (adapter->flags & FLAG_IS_QUAD_PORT && |
Roel Kluin | 6e4ca80 | 2007-10-29 10:50:05 -0700 | [diff] [blame] | 376 | (!(adapter->flags & FLAG_IS_QUAD_PORT_A))) |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 377 | adapter->flags &= ~FLAG_HAS_WOL; |
Auke Kok | 040babf | 2007-10-31 15:22:05 -0700 | [diff] [blame] | 378 | /* Does not support WoL on any port */ |
| 379 | if (pdev->device == E1000_DEV_ID_82571EB_SERDES_QUAD) |
| 380 | adapter->flags &= ~FLAG_HAS_WOL; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 381 | break; |
| 382 | |
| 383 | case e1000_82573: |
| 384 | if (pdev->device == E1000_DEV_ID_82573L) { |
Bruce Allan | e243455 | 2008-11-21 17:02:41 -0800 | [diff] [blame] | 385 | if (e1000_read_nvm(&adapter->hw, NVM_INIT_3GIO_3, 1, |
| 386 | &eeprom_data) < 0) |
| 387 | break; |
Bruce Allan | 2adc55c | 2009-06-02 11:28:58 +0000 | [diff] [blame] | 388 | if (!(eeprom_data & NVM_WORD1A_ASPM_MASK)) { |
| 389 | adapter->flags |= FLAG_HAS_JUMBO_FRAMES; |
| 390 | adapter->max_hw_frame_size = DEFAULT_JUMBO; |
| 391 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 392 | } |
| 393 | break; |
| 394 | default: |
| 395 | break; |
| 396 | } |
| 397 | |
| 398 | return 0; |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * e1000_get_phy_id_82571 - Retrieve the PHY ID and revision |
| 403 | * @hw: pointer to the HW structure |
| 404 | * |
| 405 | * Reads the PHY registers and stores the PHY ID and possibly the PHY |
| 406 | * revision in the hardware structure. |
| 407 | **/ |
| 408 | static s32 e1000_get_phy_id_82571(struct e1000_hw *hw) |
| 409 | { |
| 410 | struct e1000_phy_info *phy = &hw->phy; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 411 | s32 ret_val; |
| 412 | u16 phy_id = 0; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 413 | |
| 414 | switch (hw->mac.type) { |
| 415 | case e1000_82571: |
| 416 | case e1000_82572: |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 417 | /* |
| 418 | * The 82571 firmware may still be configuring the PHY. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 419 | * In this case, we cannot access the PHY until the |
| 420 | * configuration is done. So we explicitly set the |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 421 | * PHY ID. |
| 422 | */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 423 | phy->id = IGP01E1000_I_PHY_ID; |
| 424 | break; |
| 425 | case e1000_82573: |
| 426 | return e1000e_get_phy_id(hw); |
| 427 | break; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 428 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 429 | case e1000_82583: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 430 | ret_val = e1e_rphy(hw, PHY_ID1, &phy_id); |
| 431 | if (ret_val) |
| 432 | return ret_val; |
| 433 | |
| 434 | phy->id = (u32)(phy_id << 16); |
| 435 | udelay(20); |
| 436 | ret_val = e1e_rphy(hw, PHY_ID2, &phy_id); |
| 437 | if (ret_val) |
| 438 | return ret_val; |
| 439 | |
| 440 | phy->id |= (u32)(phy_id); |
| 441 | phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); |
| 442 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 443 | default: |
| 444 | return -E1000_ERR_PHY; |
| 445 | break; |
| 446 | } |
| 447 | |
| 448 | return 0; |
| 449 | } |
| 450 | |
| 451 | /** |
| 452 | * e1000_get_hw_semaphore_82571 - Acquire hardware semaphore |
| 453 | * @hw: pointer to the HW structure |
| 454 | * |
| 455 | * Acquire the HW semaphore to access the PHY or NVM |
| 456 | **/ |
| 457 | static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw) |
| 458 | { |
| 459 | u32 swsm; |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 460 | s32 sw_timeout = hw->nvm.word_size + 1; |
| 461 | s32 fw_timeout = hw->nvm.word_size + 1; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 462 | s32 i = 0; |
| 463 | |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 464 | /* |
| 465 | * If we have timedout 3 times on trying to acquire |
| 466 | * the inter-port SMBI semaphore, there is old code |
| 467 | * operating on the other port, and it is not |
| 468 | * releasing SMBI. Modify the number of times that |
| 469 | * we try for the semaphore to interwork with this |
| 470 | * older code. |
| 471 | */ |
| 472 | if (hw->dev_spec.e82571.smb_counter > 2) |
| 473 | sw_timeout = 1; |
| 474 | |
| 475 | /* Get the SW semaphore */ |
| 476 | while (i < sw_timeout) { |
| 477 | swsm = er32(SWSM); |
| 478 | if (!(swsm & E1000_SWSM_SMBI)) |
| 479 | break; |
| 480 | |
| 481 | udelay(50); |
| 482 | i++; |
| 483 | } |
| 484 | |
| 485 | if (i == sw_timeout) { |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 486 | e_dbg("Driver can't access device - SMBI bit is set.\n"); |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 487 | hw->dev_spec.e82571.smb_counter++; |
| 488 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 489 | /* Get the FW semaphore. */ |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 490 | for (i = 0; i < fw_timeout; i++) { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 491 | swsm = er32(SWSM); |
| 492 | ew32(SWSM, swsm | E1000_SWSM_SWESMBI); |
| 493 | |
| 494 | /* Semaphore acquired if bit latched */ |
| 495 | if (er32(SWSM) & E1000_SWSM_SWESMBI) |
| 496 | break; |
| 497 | |
| 498 | udelay(50); |
| 499 | } |
| 500 | |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 501 | if (i == fw_timeout) { |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 502 | /* Release semaphores */ |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 503 | e1000_put_hw_semaphore_82571(hw); |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 504 | e_dbg("Driver can't access the NVM\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 505 | return -E1000_ERR_NVM; |
| 506 | } |
| 507 | |
| 508 | return 0; |
| 509 | } |
| 510 | |
| 511 | /** |
| 512 | * e1000_put_hw_semaphore_82571 - Release hardware semaphore |
| 513 | * @hw: pointer to the HW structure |
| 514 | * |
| 515 | * Release hardware semaphore used to access the PHY or NVM |
| 516 | **/ |
| 517 | static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw) |
| 518 | { |
| 519 | u32 swsm; |
| 520 | |
| 521 | swsm = er32(SWSM); |
Dave Graham | 23a2d1b | 2009-06-08 14:28:17 +0000 | [diff] [blame] | 522 | swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 523 | ew32(SWSM, swsm); |
| 524 | } |
| 525 | |
| 526 | /** |
| 527 | * e1000_acquire_nvm_82571 - Request for access to the EEPROM |
| 528 | * @hw: pointer to the HW structure |
| 529 | * |
| 530 | * To gain access to the EEPROM, first we must obtain a hardware semaphore. |
| 531 | * Then for non-82573 hardware, set the EEPROM access request bit and wait |
| 532 | * for EEPROM access grant bit. If the access grant bit is not set, release |
| 533 | * hardware semaphore. |
| 534 | **/ |
| 535 | static s32 e1000_acquire_nvm_82571(struct e1000_hw *hw) |
| 536 | { |
| 537 | s32 ret_val; |
| 538 | |
| 539 | ret_val = e1000_get_hw_semaphore_82571(hw); |
| 540 | if (ret_val) |
| 541 | return ret_val; |
| 542 | |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 543 | switch (hw->mac.type) { |
| 544 | case e1000_82573: |
| 545 | case e1000_82574: |
| 546 | case e1000_82583: |
| 547 | break; |
| 548 | default: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 549 | ret_val = e1000e_acquire_nvm(hw); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 550 | break; |
| 551 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 552 | |
| 553 | if (ret_val) |
| 554 | e1000_put_hw_semaphore_82571(hw); |
| 555 | |
| 556 | return ret_val; |
| 557 | } |
| 558 | |
| 559 | /** |
| 560 | * e1000_release_nvm_82571 - Release exclusive access to EEPROM |
| 561 | * @hw: pointer to the HW structure |
| 562 | * |
| 563 | * Stop any current commands to the EEPROM and clear the EEPROM request bit. |
| 564 | **/ |
| 565 | static void e1000_release_nvm_82571(struct e1000_hw *hw) |
| 566 | { |
| 567 | e1000e_release_nvm(hw); |
| 568 | e1000_put_hw_semaphore_82571(hw); |
| 569 | } |
| 570 | |
| 571 | /** |
| 572 | * e1000_write_nvm_82571 - Write to EEPROM using appropriate interface |
| 573 | * @hw: pointer to the HW structure |
| 574 | * @offset: offset within the EEPROM to be written to |
| 575 | * @words: number of words to write |
| 576 | * @data: 16 bit word(s) to be written to the EEPROM |
| 577 | * |
| 578 | * For non-82573 silicon, write data to EEPROM at offset using SPI interface. |
| 579 | * |
| 580 | * If e1000e_update_nvm_checksum is not called after this function, the |
Auke Kok | 489815c | 2008-02-21 15:11:07 -0800 | [diff] [blame] | 581 | * EEPROM will most likely contain an invalid checksum. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 582 | **/ |
| 583 | static s32 e1000_write_nvm_82571(struct e1000_hw *hw, u16 offset, u16 words, |
| 584 | u16 *data) |
| 585 | { |
| 586 | s32 ret_val; |
| 587 | |
| 588 | switch (hw->mac.type) { |
| 589 | case e1000_82573: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 590 | case e1000_82574: |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 591 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 592 | ret_val = e1000_write_nvm_eewr_82571(hw, offset, words, data); |
| 593 | break; |
| 594 | case e1000_82571: |
| 595 | case e1000_82572: |
| 596 | ret_val = e1000e_write_nvm_spi(hw, offset, words, data); |
| 597 | break; |
| 598 | default: |
| 599 | ret_val = -E1000_ERR_NVM; |
| 600 | break; |
| 601 | } |
| 602 | |
| 603 | return ret_val; |
| 604 | } |
| 605 | |
| 606 | /** |
| 607 | * e1000_update_nvm_checksum_82571 - Update EEPROM checksum |
| 608 | * @hw: pointer to the HW structure |
| 609 | * |
| 610 | * Updates the EEPROM checksum by reading/adding each word of the EEPROM |
| 611 | * up to the checksum. Then calculates the EEPROM checksum and writes the |
| 612 | * value to the EEPROM. |
| 613 | **/ |
| 614 | static s32 e1000_update_nvm_checksum_82571(struct e1000_hw *hw) |
| 615 | { |
| 616 | u32 eecd; |
| 617 | s32 ret_val; |
| 618 | u16 i; |
| 619 | |
| 620 | ret_val = e1000e_update_nvm_checksum_generic(hw); |
| 621 | if (ret_val) |
| 622 | return ret_val; |
| 623 | |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 624 | /* |
| 625 | * If our nvm is an EEPROM, then we're done |
| 626 | * otherwise, commit the checksum to the flash NVM. |
| 627 | */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 628 | if (hw->nvm.type != e1000_nvm_flash_hw) |
| 629 | return ret_val; |
| 630 | |
| 631 | /* Check for pending operations. */ |
| 632 | for (i = 0; i < E1000_FLASH_UPDATES; i++) { |
| 633 | msleep(1); |
| 634 | if ((er32(EECD) & E1000_EECD_FLUPD) == 0) |
| 635 | break; |
| 636 | } |
| 637 | |
| 638 | if (i == E1000_FLASH_UPDATES) |
| 639 | return -E1000_ERR_NVM; |
| 640 | |
| 641 | /* Reset the firmware if using STM opcode. */ |
| 642 | if ((er32(FLOP) & 0xFF00) == E1000_STM_OPCODE) { |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 643 | /* |
| 644 | * The enabling of and the actual reset must be done |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 645 | * in two write cycles. |
| 646 | */ |
| 647 | ew32(HICR, E1000_HICR_FW_RESET_ENABLE); |
| 648 | e1e_flush(); |
| 649 | ew32(HICR, E1000_HICR_FW_RESET); |
| 650 | } |
| 651 | |
| 652 | /* Commit the write to flash */ |
| 653 | eecd = er32(EECD) | E1000_EECD_FLUPD; |
| 654 | ew32(EECD, eecd); |
| 655 | |
| 656 | for (i = 0; i < E1000_FLASH_UPDATES; i++) { |
| 657 | msleep(1); |
| 658 | if ((er32(EECD) & E1000_EECD_FLUPD) == 0) |
| 659 | break; |
| 660 | } |
| 661 | |
| 662 | if (i == E1000_FLASH_UPDATES) |
| 663 | return -E1000_ERR_NVM; |
| 664 | |
| 665 | return 0; |
| 666 | } |
| 667 | |
| 668 | /** |
| 669 | * e1000_validate_nvm_checksum_82571 - Validate EEPROM checksum |
| 670 | * @hw: pointer to the HW structure |
| 671 | * |
| 672 | * Calculates the EEPROM checksum by reading/adding each word of the EEPROM |
| 673 | * and then verifies that the sum of the EEPROM is equal to 0xBABA. |
| 674 | **/ |
| 675 | static s32 e1000_validate_nvm_checksum_82571(struct e1000_hw *hw) |
| 676 | { |
| 677 | if (hw->nvm.type == e1000_nvm_flash_hw) |
| 678 | e1000_fix_nvm_checksum_82571(hw); |
| 679 | |
| 680 | return e1000e_validate_nvm_checksum_generic(hw); |
| 681 | } |
| 682 | |
| 683 | /** |
| 684 | * e1000_write_nvm_eewr_82571 - Write to EEPROM for 82573 silicon |
| 685 | * @hw: pointer to the HW structure |
| 686 | * @offset: offset within the EEPROM to be written to |
| 687 | * @words: number of words to write |
| 688 | * @data: 16 bit word(s) to be written to the EEPROM |
| 689 | * |
| 690 | * After checking for invalid values, poll the EEPROM to ensure the previous |
| 691 | * command has completed before trying to write the next word. After write |
| 692 | * poll for completion. |
| 693 | * |
| 694 | * If e1000e_update_nvm_checksum is not called after this function, the |
Auke Kok | 489815c | 2008-02-21 15:11:07 -0800 | [diff] [blame] | 695 | * EEPROM will most likely contain an invalid checksum. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 696 | **/ |
| 697 | static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset, |
| 698 | u16 words, u16 *data) |
| 699 | { |
| 700 | struct e1000_nvm_info *nvm = &hw->nvm; |
| 701 | u32 i; |
| 702 | u32 eewr = 0; |
| 703 | s32 ret_val = 0; |
| 704 | |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 705 | /* |
| 706 | * A check for invalid values: offset too large, too many words, |
| 707 | * and not enough words. |
| 708 | */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 709 | if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) || |
| 710 | (words == 0)) { |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 711 | e_dbg("nvm parameter(s) out of bounds\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 712 | return -E1000_ERR_NVM; |
| 713 | } |
| 714 | |
| 715 | for (i = 0; i < words; i++) { |
| 716 | eewr = (data[i] << E1000_NVM_RW_REG_DATA) | |
| 717 | ((offset+i) << E1000_NVM_RW_ADDR_SHIFT) | |
| 718 | E1000_NVM_RW_REG_START; |
| 719 | |
| 720 | ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE); |
| 721 | if (ret_val) |
| 722 | break; |
| 723 | |
| 724 | ew32(EEWR, eewr); |
| 725 | |
| 726 | ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE); |
| 727 | if (ret_val) |
| 728 | break; |
| 729 | } |
| 730 | |
| 731 | return ret_val; |
| 732 | } |
| 733 | |
| 734 | /** |
| 735 | * e1000_get_cfg_done_82571 - Poll for configuration done |
| 736 | * @hw: pointer to the HW structure |
| 737 | * |
| 738 | * Reads the management control register for the config done bit to be set. |
| 739 | **/ |
| 740 | static s32 e1000_get_cfg_done_82571(struct e1000_hw *hw) |
| 741 | { |
| 742 | s32 timeout = PHY_CFG_TIMEOUT; |
| 743 | |
| 744 | while (timeout) { |
| 745 | if (er32(EEMNGCTL) & |
| 746 | E1000_NVM_CFG_DONE_PORT_0) |
| 747 | break; |
| 748 | msleep(1); |
| 749 | timeout--; |
| 750 | } |
| 751 | if (!timeout) { |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 752 | e_dbg("MNG configuration cycle has not completed.\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 753 | return -E1000_ERR_RESET; |
| 754 | } |
| 755 | |
| 756 | return 0; |
| 757 | } |
| 758 | |
| 759 | /** |
| 760 | * e1000_set_d0_lplu_state_82571 - Set Low Power Linkup D0 state |
| 761 | * @hw: pointer to the HW structure |
| 762 | * @active: TRUE to enable LPLU, FALSE to disable |
| 763 | * |
| 764 | * Sets the LPLU D0 state according to the active flag. When activating LPLU |
| 765 | * this function also disables smart speed and vice versa. LPLU will not be |
| 766 | * activated unless the device autonegotiation advertisement meets standards |
| 767 | * of either 10 or 10/100 or 10/100/1000 at all duplexes. This is a function |
| 768 | * pointer entry point only called by PHY setup routines. |
| 769 | **/ |
| 770 | static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active) |
| 771 | { |
| 772 | struct e1000_phy_info *phy = &hw->phy; |
| 773 | s32 ret_val; |
| 774 | u16 data; |
| 775 | |
| 776 | ret_val = e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &data); |
| 777 | if (ret_val) |
| 778 | return ret_val; |
| 779 | |
| 780 | if (active) { |
| 781 | data |= IGP02E1000_PM_D0_LPLU; |
| 782 | ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data); |
| 783 | if (ret_val) |
| 784 | return ret_val; |
| 785 | |
| 786 | /* When LPLU is enabled, we should disable SmartSpeed */ |
| 787 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); |
| 788 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; |
| 789 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); |
| 790 | if (ret_val) |
| 791 | return ret_val; |
| 792 | } else { |
| 793 | data &= ~IGP02E1000_PM_D0_LPLU; |
| 794 | ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data); |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 795 | /* |
| 796 | * LPLU and SmartSpeed are mutually exclusive. LPLU is used |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 797 | * during Dx states where the power conservation is most |
| 798 | * important. During driver activity we should enable |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 799 | * SmartSpeed, so performance is maintained. |
| 800 | */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 801 | if (phy->smart_speed == e1000_smart_speed_on) { |
| 802 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 803 | &data); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 804 | if (ret_val) |
| 805 | return ret_val; |
| 806 | |
| 807 | data |= IGP01E1000_PSCFR_SMART_SPEED; |
| 808 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 809 | data); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 810 | if (ret_val) |
| 811 | return ret_val; |
| 812 | } else if (phy->smart_speed == e1000_smart_speed_off) { |
| 813 | ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 814 | &data); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 815 | if (ret_val) |
| 816 | return ret_val; |
| 817 | |
| 818 | data &= ~IGP01E1000_PSCFR_SMART_SPEED; |
| 819 | ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 820 | data); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 821 | if (ret_val) |
| 822 | return ret_val; |
| 823 | } |
| 824 | } |
| 825 | |
| 826 | return 0; |
| 827 | } |
| 828 | |
| 829 | /** |
| 830 | * e1000_reset_hw_82571 - Reset hardware |
| 831 | * @hw: pointer to the HW structure |
| 832 | * |
| 833 | * This resets the hardware into a known state. This is a |
| 834 | * function pointer entry point called by the api module. |
| 835 | **/ |
| 836 | static s32 e1000_reset_hw_82571(struct e1000_hw *hw) |
| 837 | { |
| 838 | u32 ctrl; |
| 839 | u32 extcnf_ctrl; |
| 840 | u32 ctrl_ext; |
| 841 | u32 icr; |
| 842 | s32 ret_val; |
| 843 | u16 i = 0; |
| 844 | |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 845 | /* |
| 846 | * 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] | 847 | * on the last TLP read/write transaction when MAC is reset. |
| 848 | */ |
| 849 | ret_val = e1000e_disable_pcie_master(hw); |
| 850 | if (ret_val) |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 851 | e_dbg("PCI-E Master disable polling has failed.\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 852 | |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 853 | e_dbg("Masking off all interrupts\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 854 | ew32(IMC, 0xffffffff); |
| 855 | |
| 856 | ew32(RCTL, 0); |
| 857 | ew32(TCTL, E1000_TCTL_PSP); |
| 858 | e1e_flush(); |
| 859 | |
| 860 | msleep(10); |
| 861 | |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 862 | /* |
| 863 | * Must acquire the MDIO ownership before MAC reset. |
| 864 | * Ownership defaults to firmware after a reset. |
| 865 | */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 866 | switch (hw->mac.type) { |
| 867 | case e1000_82573: |
| 868 | case e1000_82574: |
| 869 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 870 | extcnf_ctrl = er32(EXTCNF_CTRL); |
| 871 | extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP; |
| 872 | |
| 873 | do { |
| 874 | ew32(EXTCNF_CTRL, extcnf_ctrl); |
| 875 | extcnf_ctrl = er32(EXTCNF_CTRL); |
| 876 | |
| 877 | if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP) |
| 878 | break; |
| 879 | |
| 880 | extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP; |
| 881 | |
| 882 | msleep(2); |
| 883 | i++; |
| 884 | } while (i < MDIO_OWNERSHIP_TIMEOUT); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 885 | break; |
| 886 | default: |
| 887 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 888 | } |
| 889 | |
| 890 | ctrl = er32(CTRL); |
| 891 | |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 892 | e_dbg("Issuing a global reset to MAC\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 893 | ew32(CTRL, ctrl | E1000_CTRL_RST); |
| 894 | |
| 895 | if (hw->nvm.type == e1000_nvm_flash_hw) { |
| 896 | udelay(10); |
| 897 | ctrl_ext = er32(CTRL_EXT); |
| 898 | ctrl_ext |= E1000_CTRL_EXT_EE_RST; |
| 899 | ew32(CTRL_EXT, ctrl_ext); |
| 900 | e1e_flush(); |
| 901 | } |
| 902 | |
| 903 | ret_val = e1000e_get_auto_rd_done(hw); |
| 904 | if (ret_val) |
| 905 | /* We don't want to continue accessing MAC registers. */ |
| 906 | return ret_val; |
| 907 | |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 908 | /* |
| 909 | * Phy configuration from NVM just starts after EECD_AUTO_RD is set. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 910 | * Need to wait for Phy configuration completion before accessing |
| 911 | * NVM and Phy. |
| 912 | */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 913 | |
| 914 | switch (hw->mac.type) { |
| 915 | case e1000_82573: |
| 916 | case e1000_82574: |
| 917 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 918 | msleep(25); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 919 | break; |
| 920 | default: |
| 921 | break; |
| 922 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 923 | |
| 924 | /* Clear any pending interrupt events. */ |
| 925 | ew32(IMC, 0xffffffff); |
| 926 | icr = er32(ICR); |
| 927 | |
Bill Hayes | 93ca161 | 2007-10-31 15:21:52 -0700 | [diff] [blame] | 928 | if (hw->mac.type == e1000_82571 && |
| 929 | hw->dev_spec.e82571.alt_mac_addr_is_present) |
| 930 | e1000e_set_laa_state_82571(hw, true); |
| 931 | |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 932 | /* Reinitialize the 82571 serdes link state machine */ |
| 933 | if (hw->phy.media_type == e1000_media_type_internal_serdes) |
| 934 | hw->mac.serdes_link_state = e1000_serdes_link_down; |
| 935 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 936 | return 0; |
| 937 | } |
| 938 | |
| 939 | /** |
| 940 | * e1000_init_hw_82571 - Initialize hardware |
| 941 | * @hw: pointer to the HW structure |
| 942 | * |
| 943 | * This inits the hardware readying it for operation. |
| 944 | **/ |
| 945 | static s32 e1000_init_hw_82571(struct e1000_hw *hw) |
| 946 | { |
| 947 | struct e1000_mac_info *mac = &hw->mac; |
| 948 | u32 reg_data; |
| 949 | s32 ret_val; |
| 950 | u16 i; |
| 951 | u16 rar_count = mac->rar_entry_count; |
| 952 | |
| 953 | e1000_initialize_hw_bits_82571(hw); |
| 954 | |
| 955 | /* Initialize identification LED */ |
| 956 | ret_val = e1000e_id_led_init(hw); |
| 957 | if (ret_val) { |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 958 | e_dbg("Error initializing identification LED\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 959 | return ret_val; |
| 960 | } |
| 961 | |
| 962 | /* Disabling VLAN filtering */ |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 963 | e_dbg("Initializing the IEEE VLAN\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 964 | e1000e_clear_vfta(hw); |
| 965 | |
| 966 | /* Setup the receive address. */ |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 967 | /* |
| 968 | * If, however, a locally administered address was assigned to the |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 969 | * 82571, we must reserve a RAR for it to work around an issue where |
| 970 | * resetting one port will reload the MAC on the other port. |
| 971 | */ |
| 972 | if (e1000e_get_laa_state_82571(hw)) |
| 973 | rar_count--; |
| 974 | e1000e_init_rx_addrs(hw, rar_count); |
| 975 | |
| 976 | /* Zero out the Multicast HASH table */ |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 977 | e_dbg("Zeroing the MTA\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 978 | for (i = 0; i < mac->mta_reg_count; i++) |
| 979 | E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0); |
| 980 | |
| 981 | /* Setup link and flow control */ |
| 982 | ret_val = e1000_setup_link_82571(hw); |
| 983 | |
| 984 | /* Set the transmit descriptor write-back policy */ |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 985 | reg_data = er32(TXDCTL(0)); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 986 | reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) | |
| 987 | E1000_TXDCTL_FULL_TX_DESC_WB | |
| 988 | E1000_TXDCTL_COUNT_DESC; |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 989 | ew32(TXDCTL(0), reg_data); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 990 | |
| 991 | /* ...for both queues. */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 992 | switch (mac->type) { |
| 993 | case e1000_82573: |
| 994 | case e1000_82574: |
| 995 | case e1000_82583: |
| 996 | e1000e_enable_tx_pkt_filtering(hw); |
| 997 | reg_data = er32(GCR); |
| 998 | reg_data |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX; |
| 999 | ew32(GCR, reg_data); |
| 1000 | break; |
| 1001 | default: |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1002 | reg_data = er32(TXDCTL(1)); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1003 | reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) | |
| 1004 | E1000_TXDCTL_FULL_TX_DESC_WB | |
| 1005 | E1000_TXDCTL_COUNT_DESC; |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1006 | ew32(TXDCTL(1), reg_data); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1007 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1008 | } |
| 1009 | |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 1010 | /* |
| 1011 | * Clear all of the statistics registers (clear on read). It is |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1012 | * important that we do this after we have tried to establish link |
| 1013 | * because the symbol error count will increment wildly if there |
| 1014 | * is no link. |
| 1015 | */ |
| 1016 | e1000_clear_hw_cntrs_82571(hw); |
| 1017 | |
| 1018 | return ret_val; |
| 1019 | } |
| 1020 | |
| 1021 | /** |
| 1022 | * e1000_initialize_hw_bits_82571 - Initialize hardware-dependent bits |
| 1023 | * @hw: pointer to the HW structure |
| 1024 | * |
| 1025 | * Initializes required hardware-dependent bits needed for normal operation. |
| 1026 | **/ |
| 1027 | static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw) |
| 1028 | { |
| 1029 | u32 reg; |
| 1030 | |
| 1031 | /* Transmit Descriptor Control 0 */ |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1032 | reg = er32(TXDCTL(0)); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1033 | reg |= (1 << 22); |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1034 | ew32(TXDCTL(0), reg); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1035 | |
| 1036 | /* Transmit Descriptor Control 1 */ |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1037 | reg = er32(TXDCTL(1)); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1038 | reg |= (1 << 22); |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1039 | ew32(TXDCTL(1), reg); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1040 | |
| 1041 | /* Transmit Arbitration Control 0 */ |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1042 | reg = er32(TARC(0)); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1043 | reg &= ~(0xF << 27); /* 30:27 */ |
| 1044 | switch (hw->mac.type) { |
| 1045 | case e1000_82571: |
| 1046 | case e1000_82572: |
| 1047 | reg |= (1 << 23) | (1 << 24) | (1 << 25) | (1 << 26); |
| 1048 | break; |
| 1049 | default: |
| 1050 | break; |
| 1051 | } |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1052 | ew32(TARC(0), reg); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1053 | |
| 1054 | /* Transmit Arbitration Control 1 */ |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1055 | reg = er32(TARC(1)); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1056 | switch (hw->mac.type) { |
| 1057 | case e1000_82571: |
| 1058 | case e1000_82572: |
| 1059 | reg &= ~((1 << 29) | (1 << 30)); |
| 1060 | reg |= (1 << 22) | (1 << 24) | (1 << 25) | (1 << 26); |
| 1061 | if (er32(TCTL) & E1000_TCTL_MULR) |
| 1062 | reg &= ~(1 << 28); |
| 1063 | else |
| 1064 | reg |= (1 << 28); |
Jeff Kirsher | e9ec2c0 | 2008-04-02 13:48:13 -0700 | [diff] [blame] | 1065 | ew32(TARC(1), reg); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1066 | break; |
| 1067 | default: |
| 1068 | break; |
| 1069 | } |
| 1070 | |
| 1071 | /* Device Control */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1072 | switch (hw->mac.type) { |
| 1073 | case e1000_82573: |
| 1074 | case e1000_82574: |
| 1075 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1076 | reg = er32(CTRL); |
| 1077 | reg &= ~(1 << 29); |
| 1078 | ew32(CTRL, reg); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1079 | break; |
| 1080 | default: |
| 1081 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1082 | } |
| 1083 | |
| 1084 | /* Extended Device Control */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1085 | switch (hw->mac.type) { |
| 1086 | case e1000_82573: |
| 1087 | case e1000_82574: |
| 1088 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1089 | reg = er32(CTRL_EXT); |
| 1090 | reg &= ~(1 << 23); |
| 1091 | reg |= (1 << 22); |
| 1092 | ew32(CTRL_EXT, reg); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1093 | break; |
| 1094 | default: |
| 1095 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1096 | } |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1097 | |
Alexander Duyck | 6ea7ae1 | 2008-11-14 06:54:36 +0000 | [diff] [blame] | 1098 | if (hw->mac.type == e1000_82571) { |
| 1099 | reg = er32(PBA_ECC); |
| 1100 | reg |= E1000_PBA_ECC_CORR_EN; |
| 1101 | ew32(PBA_ECC, reg); |
| 1102 | } |
dave graham | 5df3f0e | 2009-02-10 12:51:41 +0000 | [diff] [blame] | 1103 | /* |
| 1104 | * Workaround for hardware errata. |
| 1105 | * Ensure that DMA Dynamic Clock gating is disabled on 82571 and 82572 |
| 1106 | */ |
| 1107 | |
| 1108 | if ((hw->mac.type == e1000_82571) || |
| 1109 | (hw->mac.type == e1000_82572)) { |
| 1110 | reg = er32(CTRL_EXT); |
| 1111 | reg &= ~E1000_CTRL_EXT_DMA_DYN_CLK_EN; |
| 1112 | ew32(CTRL_EXT, reg); |
| 1113 | } |
| 1114 | |
Alexander Duyck | 6ea7ae1 | 2008-11-14 06:54:36 +0000 | [diff] [blame] | 1115 | |
Jesse Brandeburg | 78272bb | 2009-01-26 12:16:26 -0800 | [diff] [blame] | 1116 | /* PCI-Ex Control Registers */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1117 | switch (hw->mac.type) { |
| 1118 | case e1000_82574: |
| 1119 | case e1000_82583: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1120 | reg = er32(GCR); |
| 1121 | reg |= (1 << 22); |
| 1122 | ew32(GCR, reg); |
Jesse Brandeburg | 78272bb | 2009-01-26 12:16:26 -0800 | [diff] [blame] | 1123 | |
| 1124 | reg = er32(GCR2); |
| 1125 | reg |= 1; |
| 1126 | ew32(GCR2, reg); |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1127 | break; |
| 1128 | default: |
| 1129 | break; |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1130 | } |
| 1131 | |
| 1132 | return; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1133 | } |
| 1134 | |
| 1135 | /** |
| 1136 | * e1000e_clear_vfta - Clear VLAN filter table |
| 1137 | * @hw: pointer to the HW structure |
| 1138 | * |
| 1139 | * Clears the register array which contains the VLAN filter table by |
| 1140 | * setting all the values to 0. |
| 1141 | **/ |
| 1142 | void e1000e_clear_vfta(struct e1000_hw *hw) |
| 1143 | { |
| 1144 | u32 offset; |
| 1145 | u32 vfta_value = 0; |
| 1146 | u32 vfta_offset = 0; |
| 1147 | u32 vfta_bit_in_reg = 0; |
| 1148 | |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1149 | switch (hw->mac.type) { |
| 1150 | case e1000_82573: |
| 1151 | case e1000_82574: |
| 1152 | case e1000_82583: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1153 | if (hw->mng_cookie.vlan_id != 0) { |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 1154 | /* |
| 1155 | * The VFTA is a 4096b bit-field, each identifying |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1156 | * a single VLAN ID. The following operations |
| 1157 | * determine which 32b entry (i.e. offset) into the |
| 1158 | * array we want to set the VLAN ID (i.e. bit) of |
| 1159 | * the manageability unit. |
| 1160 | */ |
| 1161 | vfta_offset = (hw->mng_cookie.vlan_id >> |
| 1162 | E1000_VFTA_ENTRY_SHIFT) & |
| 1163 | E1000_VFTA_ENTRY_MASK; |
| 1164 | vfta_bit_in_reg = 1 << (hw->mng_cookie.vlan_id & |
| 1165 | E1000_VFTA_ENTRY_BIT_SHIFT_MASK); |
| 1166 | } |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1167 | break; |
| 1168 | default: |
| 1169 | break; |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1170 | } |
| 1171 | for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) { |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 1172 | /* |
| 1173 | * 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] | 1174 | * manageability VLAN ID, then clear all bits except that of |
| 1175 | * the manageability unit. |
| 1176 | */ |
| 1177 | vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0; |
| 1178 | E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, vfta_value); |
| 1179 | e1e_flush(); |
| 1180 | } |
| 1181 | } |
| 1182 | |
| 1183 | /** |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1184 | * e1000_check_mng_mode_82574 - Check manageability is enabled |
| 1185 | * @hw: pointer to the HW structure |
| 1186 | * |
| 1187 | * Reads the NVM Initialization Control Word 2 and returns true |
| 1188 | * (>0) if any manageability is enabled, else false (0). |
| 1189 | **/ |
| 1190 | static bool e1000_check_mng_mode_82574(struct e1000_hw *hw) |
| 1191 | { |
| 1192 | u16 data; |
| 1193 | |
| 1194 | e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data); |
| 1195 | return (data & E1000_NVM_INIT_CTRL2_MNGM) != 0; |
| 1196 | } |
| 1197 | |
| 1198 | /** |
| 1199 | * e1000_led_on_82574 - Turn LED on |
| 1200 | * @hw: pointer to the HW structure |
| 1201 | * |
| 1202 | * Turn LED on. |
| 1203 | **/ |
| 1204 | static s32 e1000_led_on_82574(struct e1000_hw *hw) |
| 1205 | { |
| 1206 | u32 ctrl; |
| 1207 | u32 i; |
| 1208 | |
| 1209 | ctrl = hw->mac.ledctl_mode2; |
| 1210 | if (!(E1000_STATUS_LU & er32(STATUS))) { |
| 1211 | /* |
| 1212 | * If no link, then turn LED on by setting the invert bit |
| 1213 | * for each LED that's "on" (0x0E) in ledctl_mode2. |
| 1214 | */ |
| 1215 | for (i = 0; i < 4; i++) |
| 1216 | if (((hw->mac.ledctl_mode2 >> (i * 8)) & 0xFF) == |
| 1217 | E1000_LEDCTL_MODE_LED_ON) |
| 1218 | ctrl |= (E1000_LEDCTL_LED0_IVRT << (i * 8)); |
| 1219 | } |
| 1220 | ew32(LEDCTL, ctrl); |
| 1221 | |
| 1222 | return 0; |
| 1223 | } |
| 1224 | |
| 1225 | /** |
Jeff Kirsher | e2de3eb | 2008-03-28 09:15:11 -0700 | [diff] [blame] | 1226 | * e1000_update_mc_addr_list_82571 - Update Multicast addresses |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1227 | * @hw: pointer to the HW structure |
| 1228 | * @mc_addr_list: array of multicast addresses to program |
| 1229 | * @mc_addr_count: number of multicast addresses to program |
| 1230 | * @rar_used_count: the first RAR register free to program |
| 1231 | * @rar_count: total number of supported Receive Address Registers |
| 1232 | * |
| 1233 | * Updates the Receive Address Registers and Multicast Table Array. |
| 1234 | * The caller must have a packed mc_addr_list of multicast addresses. |
| 1235 | * The parameter rar_count will usually be hw->mac.rar_entry_count |
| 1236 | * unless there are workarounds that change this. |
| 1237 | **/ |
Jeff Kirsher | e2de3eb | 2008-03-28 09:15:11 -0700 | [diff] [blame] | 1238 | static void e1000_update_mc_addr_list_82571(struct e1000_hw *hw, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1239 | u8 *mc_addr_list, |
| 1240 | u32 mc_addr_count, |
| 1241 | u32 rar_used_count, |
| 1242 | u32 rar_count) |
| 1243 | { |
| 1244 | if (e1000e_get_laa_state_82571(hw)) |
| 1245 | rar_count--; |
| 1246 | |
Jeff Kirsher | e2de3eb | 2008-03-28 09:15:11 -0700 | [diff] [blame] | 1247 | e1000e_update_mc_addr_list_generic(hw, mc_addr_list, mc_addr_count, |
| 1248 | rar_used_count, rar_count); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1249 | } |
| 1250 | |
| 1251 | /** |
| 1252 | * e1000_setup_link_82571 - Setup flow control and link settings |
| 1253 | * @hw: pointer to the HW structure |
| 1254 | * |
| 1255 | * Determines which flow control settings to use, then configures flow |
| 1256 | * control. Calls the appropriate media-specific link configuration |
| 1257 | * function. Assuming the adapter has a valid link partner, a valid link |
| 1258 | * should be established. Assumes the hardware has previously been reset |
| 1259 | * and the transmitter and receiver are not enabled. |
| 1260 | **/ |
| 1261 | static s32 e1000_setup_link_82571(struct e1000_hw *hw) |
| 1262 | { |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 1263 | /* |
| 1264 | * 82573 does not have a word in the NVM to determine |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1265 | * the default flow control setting, so we explicitly |
| 1266 | * set it to full. |
| 1267 | */ |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1268 | switch (hw->mac.type) { |
| 1269 | case e1000_82573: |
| 1270 | case e1000_82574: |
| 1271 | case e1000_82583: |
| 1272 | if (hw->fc.requested_mode == e1000_fc_default) |
| 1273 | hw->fc.requested_mode = e1000_fc_full; |
| 1274 | break; |
| 1275 | default: |
| 1276 | break; |
| 1277 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1278 | |
| 1279 | return e1000e_setup_link(hw); |
| 1280 | } |
| 1281 | |
| 1282 | /** |
| 1283 | * e1000_setup_copper_link_82571 - Configure copper link settings |
| 1284 | * @hw: pointer to the HW structure |
| 1285 | * |
| 1286 | * Configures the link for auto-neg or forced speed and duplex. Then we check |
| 1287 | * for link, once link is established calls to configure collision distance |
| 1288 | * and flow control are called. |
| 1289 | **/ |
| 1290 | static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw) |
| 1291 | { |
| 1292 | u32 ctrl; |
| 1293 | u32 led_ctrl; |
| 1294 | s32 ret_val; |
| 1295 | |
| 1296 | ctrl = er32(CTRL); |
| 1297 | ctrl |= E1000_CTRL_SLU; |
| 1298 | ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX); |
| 1299 | ew32(CTRL, ctrl); |
| 1300 | |
| 1301 | switch (hw->phy.type) { |
| 1302 | case e1000_phy_m88: |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1303 | case e1000_phy_bm: |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1304 | ret_val = e1000e_copper_link_setup_m88(hw); |
| 1305 | break; |
| 1306 | case e1000_phy_igp_2: |
| 1307 | ret_val = e1000e_copper_link_setup_igp(hw); |
| 1308 | /* Setup activity LED */ |
| 1309 | led_ctrl = er32(LEDCTL); |
| 1310 | led_ctrl &= IGP_ACTIVITY_LED_MASK; |
| 1311 | led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE); |
| 1312 | ew32(LEDCTL, led_ctrl); |
| 1313 | break; |
| 1314 | default: |
| 1315 | return -E1000_ERR_PHY; |
| 1316 | break; |
| 1317 | } |
| 1318 | |
| 1319 | if (ret_val) |
| 1320 | return ret_val; |
| 1321 | |
| 1322 | ret_val = e1000e_setup_copper_link(hw); |
| 1323 | |
| 1324 | return ret_val; |
| 1325 | } |
| 1326 | |
| 1327 | /** |
| 1328 | * e1000_setup_fiber_serdes_link_82571 - Setup link for fiber/serdes |
| 1329 | * @hw: pointer to the HW structure |
| 1330 | * |
| 1331 | * Configures collision distance and flow control for fiber and serdes links. |
| 1332 | * Upon successful setup, poll for link. |
| 1333 | **/ |
| 1334 | static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw) |
| 1335 | { |
| 1336 | switch (hw->mac.type) { |
| 1337 | case e1000_82571: |
| 1338 | case e1000_82572: |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 1339 | /* |
| 1340 | * If SerDes loopback mode is entered, there is no form |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1341 | * of reset to take the adapter out of that mode. So we |
| 1342 | * have to explicitly take the adapter out of loopback |
Auke Kok | 489815c | 2008-02-21 15:11:07 -0800 | [diff] [blame] | 1343 | * mode. This prevents drivers from twiddling their thumbs |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1344 | * if another tool failed to take it out of loopback mode. |
| 1345 | */ |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 1346 | ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1347 | break; |
| 1348 | default: |
| 1349 | break; |
| 1350 | } |
| 1351 | |
| 1352 | return e1000e_setup_fiber_serdes_link(hw); |
| 1353 | } |
| 1354 | |
| 1355 | /** |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1356 | * e1000_check_for_serdes_link_82571 - Check for link (Serdes) |
| 1357 | * @hw: pointer to the HW structure |
| 1358 | * |
| 1359 | * Checks for link up on the hardware. If link is not up and we have |
| 1360 | * a signal, then we need to force link up. |
| 1361 | **/ |
Hannes Eder | f637011 | 2009-02-14 11:32:25 +0000 | [diff] [blame] | 1362 | static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw) |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1363 | { |
| 1364 | struct e1000_mac_info *mac = &hw->mac; |
| 1365 | u32 rxcw; |
| 1366 | u32 ctrl; |
| 1367 | u32 status; |
| 1368 | s32 ret_val = 0; |
| 1369 | |
| 1370 | ctrl = er32(CTRL); |
| 1371 | status = er32(STATUS); |
| 1372 | rxcw = er32(RXCW); |
| 1373 | |
| 1374 | if ((rxcw & E1000_RXCW_SYNCH) && !(rxcw & E1000_RXCW_IV)) { |
| 1375 | |
| 1376 | /* Receiver is synchronized with no invalid bits. */ |
| 1377 | switch (mac->serdes_link_state) { |
| 1378 | case e1000_serdes_link_autoneg_complete: |
| 1379 | if (!(status & E1000_STATUS_LU)) { |
| 1380 | /* |
| 1381 | * We have lost link, retry autoneg before |
| 1382 | * reporting link failure |
| 1383 | */ |
| 1384 | mac->serdes_link_state = |
| 1385 | e1000_serdes_link_autoneg_progress; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1386 | e_dbg("AN_UP -> AN_PROG\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1387 | } |
| 1388 | break; |
| 1389 | |
| 1390 | case e1000_serdes_link_forced_up: |
| 1391 | /* |
| 1392 | * If we are receiving /C/ ordered sets, re-enable |
| 1393 | * auto-negotiation in the TXCW register and disable |
| 1394 | * forced link in the Device Control register in an |
| 1395 | * attempt to auto-negotiate with our link partner. |
| 1396 | */ |
| 1397 | if (rxcw & E1000_RXCW_C) { |
| 1398 | /* Enable autoneg, and unforce link up */ |
| 1399 | ew32(TXCW, mac->txcw); |
| 1400 | ew32(CTRL, |
| 1401 | (ctrl & ~E1000_CTRL_SLU)); |
| 1402 | mac->serdes_link_state = |
| 1403 | e1000_serdes_link_autoneg_progress; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1404 | e_dbg("FORCED_UP -> AN_PROG\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1405 | } |
| 1406 | break; |
| 1407 | |
| 1408 | case e1000_serdes_link_autoneg_progress: |
| 1409 | /* |
| 1410 | * If the LU bit is set in the STATUS register, |
| 1411 | * autoneg has completed sucessfully. If not, |
| 1412 | * try foring the link because the far end may be |
| 1413 | * available but not capable of autonegotiation. |
| 1414 | */ |
| 1415 | if (status & E1000_STATUS_LU) { |
| 1416 | mac->serdes_link_state = |
| 1417 | e1000_serdes_link_autoneg_complete; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1418 | e_dbg("AN_PROG -> AN_UP\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1419 | } else { |
| 1420 | /* |
| 1421 | * Disable autoneg, force link up and |
| 1422 | * full duplex, and change state to forced |
| 1423 | */ |
| 1424 | ew32(TXCW, |
| 1425 | (mac->txcw & ~E1000_TXCW_ANE)); |
| 1426 | ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD); |
| 1427 | ew32(CTRL, ctrl); |
| 1428 | |
| 1429 | /* Configure Flow Control after link up. */ |
| 1430 | ret_val = |
| 1431 | e1000e_config_fc_after_link_up(hw); |
| 1432 | if (ret_val) { |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1433 | e_dbg("Error config flow control\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1434 | break; |
| 1435 | } |
| 1436 | mac->serdes_link_state = |
| 1437 | e1000_serdes_link_forced_up; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1438 | e_dbg("AN_PROG -> FORCED_UP\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1439 | } |
| 1440 | mac->serdes_has_link = true; |
| 1441 | break; |
| 1442 | |
| 1443 | case e1000_serdes_link_down: |
| 1444 | default: |
| 1445 | /* The link was down but the receiver has now gained |
| 1446 | * valid sync, so lets see if we can bring the link |
| 1447 | * up. */ |
| 1448 | ew32(TXCW, mac->txcw); |
| 1449 | ew32(CTRL, |
| 1450 | (ctrl & ~E1000_CTRL_SLU)); |
| 1451 | mac->serdes_link_state = |
| 1452 | e1000_serdes_link_autoneg_progress; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1453 | e_dbg("DOWN -> AN_PROG\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1454 | break; |
| 1455 | } |
| 1456 | } else { |
| 1457 | if (!(rxcw & E1000_RXCW_SYNCH)) { |
| 1458 | mac->serdes_has_link = false; |
| 1459 | mac->serdes_link_state = e1000_serdes_link_down; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1460 | e_dbg("ANYSTATE -> DOWN\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1461 | } else { |
| 1462 | /* |
| 1463 | * We have sync, and can tolerate one |
| 1464 | * invalid (IV) codeword before declaring |
| 1465 | * link down, so reread to look again |
| 1466 | */ |
| 1467 | udelay(10); |
| 1468 | rxcw = er32(RXCW); |
| 1469 | if (rxcw & E1000_RXCW_IV) { |
| 1470 | mac->serdes_link_state = e1000_serdes_link_down; |
| 1471 | mac->serdes_has_link = false; |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1472 | e_dbg("ANYSTATE -> DOWN\n"); |
dave graham | c952337 | 2009-02-10 12:52:28 +0000 | [diff] [blame] | 1473 | } |
| 1474 | } |
| 1475 | } |
| 1476 | |
| 1477 | return ret_val; |
| 1478 | } |
| 1479 | |
| 1480 | /** |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1481 | * e1000_valid_led_default_82571 - Verify a valid default LED config |
| 1482 | * @hw: pointer to the HW structure |
| 1483 | * @data: pointer to the NVM (EEPROM) |
| 1484 | * |
| 1485 | * Read the EEPROM for the current default LED configuration. If the |
| 1486 | * LED configuration is not valid, set to a valid LED configuration. |
| 1487 | **/ |
| 1488 | static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data) |
| 1489 | { |
| 1490 | s32 ret_val; |
| 1491 | |
| 1492 | ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data); |
| 1493 | if (ret_val) { |
Bruce Allan | 3bb99fe | 2009-11-20 23:25:07 +0000 | [diff] [blame] | 1494 | e_dbg("NVM Read Error\n"); |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1495 | return ret_val; |
| 1496 | } |
| 1497 | |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1498 | switch (hw->mac.type) { |
| 1499 | case e1000_82573: |
| 1500 | case e1000_82574: |
| 1501 | case e1000_82583: |
| 1502 | if (*data == ID_LED_RESERVED_F746) |
| 1503 | *data = ID_LED_DEFAULT_82573; |
| 1504 | break; |
| 1505 | default: |
| 1506 | if (*data == ID_LED_RESERVED_0000 || |
| 1507 | *data == ID_LED_RESERVED_FFFF) |
| 1508 | *data = ID_LED_DEFAULT; |
| 1509 | break; |
| 1510 | } |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1511 | |
| 1512 | return 0; |
| 1513 | } |
| 1514 | |
| 1515 | /** |
| 1516 | * e1000e_get_laa_state_82571 - Get locally administered address state |
| 1517 | * @hw: pointer to the HW structure |
| 1518 | * |
Auke Kok | 489815c | 2008-02-21 15:11:07 -0800 | [diff] [blame] | 1519 | * Retrieve and return the current locally administered address state. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1520 | **/ |
| 1521 | bool e1000e_get_laa_state_82571(struct e1000_hw *hw) |
| 1522 | { |
| 1523 | if (hw->mac.type != e1000_82571) |
| 1524 | return 0; |
| 1525 | |
| 1526 | return hw->dev_spec.e82571.laa_is_present; |
| 1527 | } |
| 1528 | |
| 1529 | /** |
| 1530 | * e1000e_set_laa_state_82571 - Set locally administered address state |
| 1531 | * @hw: pointer to the HW structure |
| 1532 | * @state: enable/disable locally administered address |
| 1533 | * |
Auke Kok | 489815c | 2008-02-21 15:11:07 -0800 | [diff] [blame] | 1534 | * Enable/Disable the current locally administers address state. |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1535 | **/ |
| 1536 | void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state) |
| 1537 | { |
| 1538 | if (hw->mac.type != e1000_82571) |
| 1539 | return; |
| 1540 | |
| 1541 | hw->dev_spec.e82571.laa_is_present = state; |
| 1542 | |
| 1543 | /* If workaround is activated... */ |
| 1544 | if (state) |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 1545 | /* |
| 1546 | * 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] | 1547 | * between the time RAR[0] gets clobbered and the time it |
| 1548 | * gets fixed, the actual LAA is in one of the RARs and no |
| 1549 | * incoming packets directed to this port are dropped. |
| 1550 | * Eventually the LAA will be in RAR[0] and RAR[14]. |
| 1551 | */ |
| 1552 | e1000e_rar_set(hw, hw->mac.addr, hw->mac.rar_entry_count - 1); |
| 1553 | } |
| 1554 | |
| 1555 | /** |
| 1556 | * e1000_fix_nvm_checksum_82571 - Fix EEPROM checksum |
| 1557 | * @hw: pointer to the HW structure |
| 1558 | * |
| 1559 | * Verifies that the EEPROM has completed the update. After updating the |
| 1560 | * EEPROM, we need to check bit 15 in work 0x23 for the checksum fix. If |
| 1561 | * the checksum fix is not implemented, we need to set the bit and update |
| 1562 | * the checksum. Otherwise, if bit 15 is set and the checksum is incorrect, |
| 1563 | * we need to return bad checksum. |
| 1564 | **/ |
| 1565 | static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw) |
| 1566 | { |
| 1567 | struct e1000_nvm_info *nvm = &hw->nvm; |
| 1568 | s32 ret_val; |
| 1569 | u16 data; |
| 1570 | |
| 1571 | if (nvm->type != e1000_nvm_flash_hw) |
| 1572 | return 0; |
| 1573 | |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 1574 | /* |
| 1575 | * 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] | 1576 | * 10h-12h. Checksum may need to be fixed. |
| 1577 | */ |
| 1578 | ret_val = e1000_read_nvm(hw, 0x10, 1, &data); |
| 1579 | if (ret_val) |
| 1580 | return ret_val; |
| 1581 | |
| 1582 | if (!(data & 0x10)) { |
Bruce Allan | ad68076 | 2008-03-28 09:15:03 -0700 | [diff] [blame] | 1583 | /* |
| 1584 | * Read 0x23 and check bit 15. This bit is a 1 |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1585 | * when the checksum has already been fixed. If |
| 1586 | * the checksum is still wrong and this bit is a |
| 1587 | * 1, we need to return bad checksum. Otherwise, |
| 1588 | * we need to set this bit to a 1 and update the |
| 1589 | * checksum. |
| 1590 | */ |
| 1591 | ret_val = e1000_read_nvm(hw, 0x23, 1, &data); |
| 1592 | if (ret_val) |
| 1593 | return ret_val; |
| 1594 | |
| 1595 | if (!(data & 0x8000)) { |
| 1596 | data |= 0x8000; |
| 1597 | ret_val = e1000_write_nvm(hw, 0x23, 1, &data); |
| 1598 | if (ret_val) |
| 1599 | return ret_val; |
| 1600 | ret_val = e1000e_update_nvm_checksum(hw); |
| 1601 | } |
| 1602 | } |
| 1603 | |
| 1604 | return 0; |
| 1605 | } |
| 1606 | |
| 1607 | /** |
| 1608 | * e1000_clear_hw_cntrs_82571 - Clear device specific hardware counters |
| 1609 | * @hw: pointer to the HW structure |
| 1610 | * |
| 1611 | * Clears the hardware counters by reading the counter registers. |
| 1612 | **/ |
| 1613 | static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw) |
| 1614 | { |
| 1615 | u32 temp; |
| 1616 | |
| 1617 | e1000e_clear_hw_cntrs_base(hw); |
| 1618 | |
| 1619 | temp = er32(PRC64); |
| 1620 | temp = er32(PRC127); |
| 1621 | temp = er32(PRC255); |
| 1622 | temp = er32(PRC511); |
| 1623 | temp = er32(PRC1023); |
| 1624 | temp = er32(PRC1522); |
| 1625 | temp = er32(PTC64); |
| 1626 | temp = er32(PTC127); |
| 1627 | temp = er32(PTC255); |
| 1628 | temp = er32(PTC511); |
| 1629 | temp = er32(PTC1023); |
| 1630 | temp = er32(PTC1522); |
| 1631 | |
| 1632 | temp = er32(ALGNERRC); |
| 1633 | temp = er32(RXERRC); |
| 1634 | temp = er32(TNCRS); |
| 1635 | temp = er32(CEXTERR); |
| 1636 | temp = er32(TSCTC); |
| 1637 | temp = er32(TSCTFC); |
| 1638 | |
| 1639 | temp = er32(MGTPRC); |
| 1640 | temp = er32(MGTPDC); |
| 1641 | temp = er32(MGTPTC); |
| 1642 | |
| 1643 | temp = er32(IAC); |
| 1644 | temp = er32(ICRXOC); |
| 1645 | |
| 1646 | temp = er32(ICRXPTC); |
| 1647 | temp = er32(ICRXATC); |
| 1648 | temp = er32(ICTXPTC); |
| 1649 | temp = er32(ICTXATC); |
| 1650 | temp = er32(ICTXQEC); |
| 1651 | temp = er32(ICTXQMTC); |
| 1652 | temp = er32(ICRXDMTC); |
| 1653 | } |
| 1654 | |
| 1655 | static struct e1000_mac_operations e82571_mac_ops = { |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1656 | /* .check_mng_mode: mac type dependent */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1657 | /* .check_for_link: media type dependent */ |
Bruce Allan | a4f58f5 | 2009-06-02 11:29:18 +0000 | [diff] [blame] | 1658 | .id_led_init = e1000e_id_led_init, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1659 | .cleanup_led = e1000e_cleanup_led_generic, |
| 1660 | .clear_hw_cntrs = e1000_clear_hw_cntrs_82571, |
| 1661 | .get_bus_info = e1000e_get_bus_info_pcie, |
| 1662 | /* .get_link_up_info: media type dependent */ |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1663 | /* .led_on: mac type dependent */ |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1664 | .led_off = e1000e_led_off_generic, |
Jeff Kirsher | e2de3eb | 2008-03-28 09:15:11 -0700 | [diff] [blame] | 1665 | .update_mc_addr_list = e1000_update_mc_addr_list_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1666 | .reset_hw = e1000_reset_hw_82571, |
| 1667 | .init_hw = e1000_init_hw_82571, |
| 1668 | .setup_link = e1000_setup_link_82571, |
| 1669 | /* .setup_physical_interface: media type dependent */ |
Bruce Allan | a4f58f5 | 2009-06-02 11:29:18 +0000 | [diff] [blame] | 1670 | .setup_led = e1000e_setup_led_generic, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1671 | }; |
| 1672 | |
| 1673 | static struct e1000_phy_operations e82_phy_ops_igp = { |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1674 | .acquire = e1000_get_hw_semaphore_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1675 | .check_reset_block = e1000e_check_reset_block_generic, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1676 | .commit = NULL, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1677 | .force_speed_duplex = e1000e_phy_force_speed_duplex_igp, |
| 1678 | .get_cfg_done = e1000_get_cfg_done_82571, |
| 1679 | .get_cable_length = e1000e_get_cable_length_igp_2, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1680 | .get_info = e1000e_get_phy_info_igp, |
| 1681 | .read_reg = e1000e_read_phy_reg_igp, |
| 1682 | .release = e1000_put_hw_semaphore_82571, |
| 1683 | .reset = e1000e_phy_hw_reset_generic, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1684 | .set_d0_lplu_state = e1000_set_d0_lplu_state_82571, |
| 1685 | .set_d3_lplu_state = e1000e_set_d3_lplu_state, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1686 | .write_reg = e1000e_write_phy_reg_igp, |
Bruce Allan | 75eb0fa | 2008-11-21 16:53:51 -0800 | [diff] [blame] | 1687 | .cfg_on_link_up = NULL, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1688 | }; |
| 1689 | |
| 1690 | static struct e1000_phy_operations e82_phy_ops_m88 = { |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1691 | .acquire = e1000_get_hw_semaphore_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1692 | .check_reset_block = e1000e_check_reset_block_generic, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1693 | .commit = e1000e_phy_sw_reset, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1694 | .force_speed_duplex = e1000e_phy_force_speed_duplex_m88, |
| 1695 | .get_cfg_done = e1000e_get_cfg_done, |
| 1696 | .get_cable_length = e1000e_get_cable_length_m88, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1697 | .get_info = e1000e_get_phy_info_m88, |
| 1698 | .read_reg = e1000e_read_phy_reg_m88, |
| 1699 | .release = e1000_put_hw_semaphore_82571, |
| 1700 | .reset = e1000e_phy_hw_reset_generic, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1701 | .set_d0_lplu_state = e1000_set_d0_lplu_state_82571, |
| 1702 | .set_d3_lplu_state = e1000e_set_d3_lplu_state, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1703 | .write_reg = e1000e_write_phy_reg_m88, |
Bruce Allan | 75eb0fa | 2008-11-21 16:53:51 -0800 | [diff] [blame] | 1704 | .cfg_on_link_up = NULL, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1705 | }; |
| 1706 | |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1707 | static struct e1000_phy_operations e82_phy_ops_bm = { |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1708 | .acquire = e1000_get_hw_semaphore_82571, |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1709 | .check_reset_block = e1000e_check_reset_block_generic, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1710 | .commit = e1000e_phy_sw_reset, |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1711 | .force_speed_duplex = e1000e_phy_force_speed_duplex_m88, |
| 1712 | .get_cfg_done = e1000e_get_cfg_done, |
| 1713 | .get_cable_length = e1000e_get_cable_length_m88, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1714 | .get_info = e1000e_get_phy_info_m88, |
| 1715 | .read_reg = e1000e_read_phy_reg_bm2, |
| 1716 | .release = e1000_put_hw_semaphore_82571, |
| 1717 | .reset = e1000e_phy_hw_reset_generic, |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1718 | .set_d0_lplu_state = e1000_set_d0_lplu_state_82571, |
| 1719 | .set_d3_lplu_state = e1000e_set_d3_lplu_state, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1720 | .write_reg = e1000e_write_phy_reg_bm2, |
Bruce Allan | 75eb0fa | 2008-11-21 16:53:51 -0800 | [diff] [blame] | 1721 | .cfg_on_link_up = NULL, |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1722 | }; |
| 1723 | |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1724 | static struct e1000_nvm_operations e82571_nvm_ops = { |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1725 | .acquire = e1000_acquire_nvm_82571, |
| 1726 | .read = e1000e_read_nvm_eerd, |
| 1727 | .release = e1000_release_nvm_82571, |
| 1728 | .update = e1000_update_nvm_checksum_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1729 | .valid_led_default = e1000_valid_led_default_82571, |
Bruce Allan | 94d8186 | 2009-11-20 23:25:26 +0000 | [diff] [blame^] | 1730 | .validate = e1000_validate_nvm_checksum_82571, |
| 1731 | .write = e1000_write_nvm_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1732 | }; |
| 1733 | |
| 1734 | struct e1000_info e1000_82571_info = { |
| 1735 | .mac = e1000_82571, |
| 1736 | .flags = FLAG_HAS_HW_VLAN_FILTER |
| 1737 | | FLAG_HAS_JUMBO_FRAMES |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1738 | | FLAG_HAS_WOL |
| 1739 | | FLAG_APME_IN_CTRL3 |
| 1740 | | FLAG_RX_CSUM_ENABLED |
| 1741 | | FLAG_HAS_CTRLEXT_ON_LOAD |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1742 | | FLAG_HAS_SMART_POWER_DOWN |
| 1743 | | FLAG_RESET_OVERWRITES_LAA /* errata */ |
| 1744 | | FLAG_TARC_SPEED_MODE_BIT /* errata */ |
| 1745 | | FLAG_APME_CHECK_PORT_B, |
| 1746 | .pba = 38, |
Bruce Allan | 2adc55c | 2009-06-02 11:28:58 +0000 | [diff] [blame] | 1747 | .max_hw_frame_size = DEFAULT_JUMBO, |
Jeff Kirsher | 69e3fd8 | 2008-04-02 13:48:18 -0700 | [diff] [blame] | 1748 | .get_variants = e1000_get_variants_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1749 | .mac_ops = &e82571_mac_ops, |
| 1750 | .phy_ops = &e82_phy_ops_igp, |
| 1751 | .nvm_ops = &e82571_nvm_ops, |
| 1752 | }; |
| 1753 | |
| 1754 | struct e1000_info e1000_82572_info = { |
| 1755 | .mac = e1000_82572, |
| 1756 | .flags = FLAG_HAS_HW_VLAN_FILTER |
| 1757 | | FLAG_HAS_JUMBO_FRAMES |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1758 | | FLAG_HAS_WOL |
| 1759 | | FLAG_APME_IN_CTRL3 |
| 1760 | | FLAG_RX_CSUM_ENABLED |
| 1761 | | FLAG_HAS_CTRLEXT_ON_LOAD |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1762 | | FLAG_TARC_SPEED_MODE_BIT, /* errata */ |
| 1763 | .pba = 38, |
Bruce Allan | 2adc55c | 2009-06-02 11:28:58 +0000 | [diff] [blame] | 1764 | .max_hw_frame_size = DEFAULT_JUMBO, |
Jeff Kirsher | 69e3fd8 | 2008-04-02 13:48:18 -0700 | [diff] [blame] | 1765 | .get_variants = e1000_get_variants_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1766 | .mac_ops = &e82571_mac_ops, |
| 1767 | .phy_ops = &e82_phy_ops_igp, |
| 1768 | .nvm_ops = &e82571_nvm_ops, |
| 1769 | }; |
| 1770 | |
| 1771 | struct e1000_info e1000_82573_info = { |
| 1772 | .mac = e1000_82573, |
| 1773 | .flags = FLAG_HAS_HW_VLAN_FILTER |
| 1774 | | FLAG_HAS_JUMBO_FRAMES |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1775 | | FLAG_HAS_WOL |
| 1776 | | FLAG_APME_IN_CTRL3 |
| 1777 | | FLAG_RX_CSUM_ENABLED |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1778 | | FLAG_HAS_SMART_POWER_DOWN |
| 1779 | | FLAG_HAS_AMT |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1780 | | FLAG_HAS_ERT |
| 1781 | | FLAG_HAS_SWSM_ON_LOAD, |
| 1782 | .pba = 20, |
Bruce Allan | 2adc55c | 2009-06-02 11:28:58 +0000 | [diff] [blame] | 1783 | .max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN, |
Jeff Kirsher | 69e3fd8 | 2008-04-02 13:48:18 -0700 | [diff] [blame] | 1784 | .get_variants = e1000_get_variants_82571, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1785 | .mac_ops = &e82571_mac_ops, |
| 1786 | .phy_ops = &e82_phy_ops_m88, |
Auke Kok | 31f8c4f | 2008-02-21 15:10:47 -0800 | [diff] [blame] | 1787 | .nvm_ops = &e82571_nvm_ops, |
Auke Kok | bc7f75f | 2007-09-17 12:30:59 -0700 | [diff] [blame] | 1788 | }; |
| 1789 | |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1790 | struct e1000_info e1000_82574_info = { |
| 1791 | .mac = e1000_82574, |
| 1792 | .flags = FLAG_HAS_HW_VLAN_FILTER |
| 1793 | | FLAG_HAS_MSIX |
| 1794 | | FLAG_HAS_JUMBO_FRAMES |
| 1795 | | FLAG_HAS_WOL |
| 1796 | | FLAG_APME_IN_CTRL3 |
| 1797 | | FLAG_RX_CSUM_ENABLED |
| 1798 | | FLAG_HAS_SMART_POWER_DOWN |
| 1799 | | FLAG_HAS_AMT |
| 1800 | | FLAG_HAS_CTRLEXT_ON_LOAD, |
| 1801 | .pba = 20, |
Alexander Duyck | a825e00 | 2009-10-02 12:30:42 +0000 | [diff] [blame] | 1802 | .max_hw_frame_size = DEFAULT_JUMBO, |
Bruce Allan | 4662e82 | 2008-08-26 18:37:06 -0700 | [diff] [blame] | 1803 | .get_variants = e1000_get_variants_82571, |
| 1804 | .mac_ops = &e82571_mac_ops, |
| 1805 | .phy_ops = &e82_phy_ops_bm, |
| 1806 | .nvm_ops = &e82571_nvm_ops, |
| 1807 | }; |
| 1808 | |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1809 | struct e1000_info e1000_82583_info = { |
| 1810 | .mac = e1000_82583, |
| 1811 | .flags = FLAG_HAS_HW_VLAN_FILTER |
| 1812 | | FLAG_HAS_WOL |
| 1813 | | FLAG_APME_IN_CTRL3 |
| 1814 | | FLAG_RX_CSUM_ENABLED |
| 1815 | | FLAG_HAS_SMART_POWER_DOWN |
| 1816 | | FLAG_HAS_AMT |
| 1817 | | FLAG_HAS_CTRLEXT_ON_LOAD, |
| 1818 | .pba = 20, |
Alexander Duyck | a825e00 | 2009-10-02 12:30:42 +0000 | [diff] [blame] | 1819 | .max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN, |
Alexander Duyck | 8c81c9c | 2009-03-19 01:12:27 +0000 | [diff] [blame] | 1820 | .get_variants = e1000_get_variants_82571, |
| 1821 | .mac_ops = &e82571_mac_ops, |
| 1822 | .phy_ops = &e82_phy_ops_bm, |
| 1823 | .nvm_ops = &e82571_nvm_ops, |
| 1824 | }; |
| 1825 | |