Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | |
| 3 | Intel 10 Gigabit PCI Express Linux driver |
| 4 | Copyright(c) 1999 - 2010 Intel Corporation. |
| 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 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 24 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 25 | |
| 26 | *******************************************************************************/ |
| 27 | |
| 28 | #include <linux/pci.h> |
| 29 | #include <linux/delay.h> |
| 30 | #include <linux/sched.h> |
| 31 | |
| 32 | #include "ixgbe.h" |
| 33 | #include "ixgbe_phy.h" |
| 34 | //#include "ixgbe_mbx.h" |
| 35 | |
| 36 | #define IXGBE_X540_MAX_TX_QUEUES 128 |
| 37 | #define IXGBE_X540_MAX_RX_QUEUES 128 |
| 38 | #define IXGBE_X540_RAR_ENTRIES 128 |
| 39 | #define IXGBE_X540_MC_TBL_SIZE 128 |
| 40 | #define IXGBE_X540_VFT_TBL_SIZE 128 |
| 41 | |
| 42 | static s32 ixgbe_update_flash_X540(struct ixgbe_hw *hw); |
| 43 | static s32 ixgbe_poll_flash_update_done_X540(struct ixgbe_hw *hw); |
| 44 | static s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask); |
| 45 | static void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask); |
| 46 | static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw); |
| 47 | static void ixgbe_release_swfw_sync_semaphore(struct ixgbe_hw *hw); |
| 48 | |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 49 | static enum ixgbe_media_type ixgbe_get_media_type_X540(struct ixgbe_hw *hw) |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 50 | { |
| 51 | return ixgbe_media_type_copper; |
| 52 | } |
| 53 | |
| 54 | static s32 ixgbe_get_invariants_X540(struct ixgbe_hw *hw) |
| 55 | { |
| 56 | struct ixgbe_mac_info *mac = &hw->mac; |
| 57 | |
| 58 | /* Call PHY identify routine to get the phy type */ |
| 59 | ixgbe_identify_phy_generic(hw); |
| 60 | |
| 61 | mac->mcft_size = IXGBE_X540_MC_TBL_SIZE; |
| 62 | mac->vft_size = IXGBE_X540_VFT_TBL_SIZE; |
| 63 | mac->num_rar_entries = IXGBE_X540_RAR_ENTRIES; |
| 64 | mac->max_rx_queues = IXGBE_X540_MAX_RX_QUEUES; |
| 65 | mac->max_tx_queues = IXGBE_X540_MAX_TX_QUEUES; |
| 66 | mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw); |
| 67 | |
| 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * ixgbe_setup_mac_link_X540 - Set the auto advertised capabilitires |
| 73 | * @hw: pointer to hardware structure |
| 74 | * @speed: new link speed |
| 75 | * @autoneg: true if autonegotiation enabled |
| 76 | * @autoneg_wait_to_complete: true when waiting for completion is needed |
| 77 | **/ |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 78 | static s32 ixgbe_setup_mac_link_X540(struct ixgbe_hw *hw, |
| 79 | ixgbe_link_speed speed, bool autoneg, |
| 80 | bool autoneg_wait_to_complete) |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 81 | { |
| 82 | return hw->phy.ops.setup_link_speed(hw, speed, autoneg, |
| 83 | autoneg_wait_to_complete); |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * ixgbe_reset_hw_X540 - Perform hardware reset |
| 88 | * @hw: pointer to hardware structure |
| 89 | * |
| 90 | * Resets the hardware by resetting the transmit and receive units, masks |
| 91 | * and clears all interrupts, perform a PHY reset, and perform a link (MAC) |
| 92 | * reset. |
| 93 | **/ |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 94 | static s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw) |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 95 | { |
| 96 | ixgbe_link_speed link_speed; |
| 97 | s32 status = 0; |
| 98 | u32 ctrl; |
| 99 | u32 ctrl_ext; |
| 100 | u32 reset_bit; |
| 101 | u32 i; |
| 102 | u32 autoc; |
| 103 | u32 autoc2; |
| 104 | bool link_up = false; |
| 105 | |
| 106 | /* Call adapter stop to disable tx/rx and clear interrupts */ |
| 107 | hw->mac.ops.stop_adapter(hw); |
| 108 | |
| 109 | /* |
| 110 | * Prevent the PCI-E bus from from hanging by disabling PCI-E master |
| 111 | * access and verify no pending requests before reset |
| 112 | */ |
| 113 | status = ixgbe_disable_pcie_master(hw); |
| 114 | if (status != 0) { |
| 115 | status = IXGBE_ERR_MASTER_REQUESTS_PENDING; |
| 116 | hw_dbg(hw, "PCI-E Master disable polling has failed.\n"); |
| 117 | } |
| 118 | |
| 119 | /* |
| 120 | * Issue global reset to the MAC. Needs to be SW reset if link is up. |
| 121 | * If link reset is used when link is up, it might reset the PHY when |
| 122 | * mng is using it. If link is down or the flag to force full link |
| 123 | * reset is set, then perform link reset. |
| 124 | */ |
| 125 | if (hw->force_full_reset) { |
| 126 | reset_bit = IXGBE_CTRL_LNK_RST; |
| 127 | } else { |
| 128 | hw->mac.ops.check_link(hw, &link_speed, &link_up, false); |
| 129 | if (!link_up) |
| 130 | reset_bit = IXGBE_CTRL_LNK_RST; |
| 131 | else |
| 132 | reset_bit = IXGBE_CTRL_RST; |
| 133 | } |
| 134 | |
| 135 | ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); |
Emil Tantilov | 2c4db94 | 2011-01-05 07:09:41 +0000 | [diff] [blame] | 136 | IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | reset_bit)); |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 137 | IXGBE_WRITE_FLUSH(hw); |
| 138 | |
| 139 | /* Poll for reset bit to self-clear indicating reset is complete */ |
| 140 | for (i = 0; i < 10; i++) { |
| 141 | udelay(1); |
| 142 | ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); |
Emil Tantilov | 2c4db94 | 2011-01-05 07:09:41 +0000 | [diff] [blame] | 143 | if (!(ctrl & reset_bit)) |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 144 | break; |
| 145 | } |
Emil Tantilov | 2c4db94 | 2011-01-05 07:09:41 +0000 | [diff] [blame] | 146 | if (ctrl & reset_bit) { |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 147 | status = IXGBE_ERR_RESET_FAILED; |
| 148 | hw_dbg(hw, "Reset polling failed to complete.\n"); |
| 149 | } |
| 150 | |
| 151 | /* Clear PF Reset Done bit so PF/VF Mail Ops can work */ |
| 152 | ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); |
| 153 | ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; |
| 154 | IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); |
| 155 | |
| 156 | msleep(50); |
| 157 | |
| 158 | /* Set the Rx packet buffer size. */ |
| 159 | IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0), 384 << IXGBE_RXPBSIZE_SHIFT); |
| 160 | |
| 161 | /* Store the permanent mac address */ |
| 162 | hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); |
| 163 | |
| 164 | /* |
| 165 | * Store the original AUTOC/AUTOC2 values if they have not been |
| 166 | * stored off yet. Otherwise restore the stored original |
| 167 | * values since the reset operation sets back to defaults. |
| 168 | */ |
| 169 | autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
| 170 | autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2); |
| 171 | if (hw->mac.orig_link_settings_stored == false) { |
| 172 | hw->mac.orig_autoc = autoc; |
| 173 | hw->mac.orig_autoc2 = autoc2; |
| 174 | hw->mac.orig_link_settings_stored = true; |
| 175 | } else { |
| 176 | if (autoc != hw->mac.orig_autoc) |
| 177 | IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (hw->mac.orig_autoc | |
| 178 | IXGBE_AUTOC_AN_RESTART)); |
| 179 | |
| 180 | if ((autoc2 & IXGBE_AUTOC2_UPPER_MASK) != |
| 181 | (hw->mac.orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK)) { |
| 182 | autoc2 &= ~IXGBE_AUTOC2_UPPER_MASK; |
| 183 | autoc2 |= (hw->mac.orig_autoc2 & |
| 184 | IXGBE_AUTOC2_UPPER_MASK); |
| 185 | IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | /* |
| 190 | * Store MAC address from RAR0, clear receive address registers, and |
| 191 | * clear the multicast table. Also reset num_rar_entries to 128, |
| 192 | * since we modify this value when programming the SAN MAC address. |
| 193 | */ |
| 194 | hw->mac.num_rar_entries = 128; |
| 195 | hw->mac.ops.init_rx_addrs(hw); |
| 196 | |
| 197 | /* Store the permanent mac address */ |
| 198 | hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); |
| 199 | |
| 200 | /* Store the permanent SAN mac address */ |
| 201 | hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr); |
| 202 | |
| 203 | /* Add the SAN MAC address to the RAR only if it's a valid address */ |
| 204 | if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) { |
| 205 | hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1, |
| 206 | hw->mac.san_addr, 0, IXGBE_RAH_AV); |
| 207 | |
| 208 | /* Reserve the last RAR for the SAN MAC address */ |
| 209 | hw->mac.num_rar_entries--; |
| 210 | } |
| 211 | |
| 212 | /* Store the alternative WWNN/WWPN prefix */ |
| 213 | hw->mac.ops.get_wwn_prefix(hw, &hw->mac.wwnn_prefix, |
| 214 | &hw->mac.wwpn_prefix); |
| 215 | |
| 216 | return status; |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * ixgbe_get_supported_physical_layer_X540 - Returns physical layer type |
| 221 | * @hw: pointer to hardware structure |
| 222 | * |
| 223 | * Determines physical layer capabilities of the current configuration. |
| 224 | **/ |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 225 | static u32 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw) |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 226 | { |
| 227 | u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; |
| 228 | u16 ext_ability = 0; |
| 229 | |
| 230 | hw->phy.ops.identify(hw); |
| 231 | |
| 232 | hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD, |
| 233 | &ext_ability); |
| 234 | if (ext_ability & MDIO_PMA_EXTABLE_10GBT) |
| 235 | physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T; |
| 236 | if (ext_ability & MDIO_PMA_EXTABLE_1000BT) |
| 237 | physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T; |
| 238 | if (ext_ability & MDIO_PMA_EXTABLE_100BTX) |
| 239 | physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX; |
| 240 | |
| 241 | return physical_layer; |
| 242 | } |
| 243 | |
| 244 | /** |
| 245 | * ixgbe_init_eeprom_params_X540 - Initialize EEPROM params |
| 246 | * @hw: pointer to hardware structure |
| 247 | **/ |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 248 | static s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw) |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 249 | { |
| 250 | struct ixgbe_eeprom_info *eeprom = &hw->eeprom; |
| 251 | u32 eec; |
| 252 | u16 eeprom_size; |
| 253 | |
| 254 | if (eeprom->type == ixgbe_eeprom_uninitialized) { |
| 255 | eeprom->semaphore_delay = 10; |
| 256 | eeprom->type = ixgbe_flash; |
| 257 | |
| 258 | eec = IXGBE_READ_REG(hw, IXGBE_EEC); |
| 259 | eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >> |
| 260 | IXGBE_EEC_SIZE_SHIFT); |
| 261 | eeprom->word_size = 1 << (eeprom_size + |
| 262 | IXGBE_EEPROM_WORD_SIZE_SHIFT); |
| 263 | |
| 264 | hw_dbg(hw, "Eeprom params: type = %d, size = %d\n", |
| 265 | eeprom->type, eeprom->word_size); |
| 266 | } |
| 267 | |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * ixgbe_read_eerd_X540 - Read EEPROM word using EERD |
| 273 | * @hw: pointer to hardware structure |
| 274 | * @offset: offset of word in the EEPROM to read |
| 275 | * @data: word read from the EERPOM |
| 276 | **/ |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 277 | static s32 ixgbe_read_eerd_X540(struct ixgbe_hw *hw, u16 offset, u16 *data) |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 278 | { |
| 279 | s32 status; |
| 280 | |
Don Skidmore | d994653 | 2010-12-09 06:55:19 +0000 | [diff] [blame] | 281 | if (ixgbe_acquire_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM) == 0) |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 282 | status = ixgbe_read_eerd_generic(hw, offset, data); |
| 283 | else |
| 284 | status = IXGBE_ERR_SWFW_SYNC; |
| 285 | |
| 286 | ixgbe_release_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM); |
| 287 | return status; |
| 288 | } |
| 289 | |
| 290 | /** |
| 291 | * ixgbe_write_eewr_X540 - Write EEPROM word using EEWR |
| 292 | * @hw: pointer to hardware structure |
| 293 | * @offset: offset of word in the EEPROM to write |
| 294 | * @data: word write to the EEPROM |
| 295 | * |
| 296 | * Write a 16 bit word to the EEPROM using the EEWR register. |
| 297 | **/ |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 298 | static s32 ixgbe_write_eewr_X540(struct ixgbe_hw *hw, u16 offset, u16 data) |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 299 | { |
| 300 | u32 eewr; |
| 301 | s32 status; |
| 302 | |
| 303 | hw->eeprom.ops.init_params(hw); |
| 304 | |
| 305 | if (offset >= hw->eeprom.word_size) { |
| 306 | status = IXGBE_ERR_EEPROM; |
| 307 | goto out; |
| 308 | } |
| 309 | |
| 310 | eewr = (offset << IXGBE_EEPROM_RW_ADDR_SHIFT) | |
| 311 | (data << IXGBE_EEPROM_RW_REG_DATA) | |
| 312 | IXGBE_EEPROM_RW_REG_START; |
| 313 | |
Don Skidmore | d994653 | 2010-12-09 06:55:19 +0000 | [diff] [blame] | 314 | if (ixgbe_acquire_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM) == 0) { |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 315 | status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE); |
| 316 | if (status != 0) { |
| 317 | hw_dbg(hw, "Eeprom write EEWR timed out\n"); |
| 318 | goto out; |
| 319 | } |
| 320 | |
| 321 | IXGBE_WRITE_REG(hw, IXGBE_EEWR, eewr); |
| 322 | |
| 323 | status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE); |
| 324 | if (status != 0) { |
| 325 | hw_dbg(hw, "Eeprom write EEWR timed out\n"); |
| 326 | goto out; |
| 327 | } |
| 328 | } else { |
| 329 | status = IXGBE_ERR_SWFW_SYNC; |
| 330 | } |
| 331 | |
| 332 | out: |
| 333 | ixgbe_release_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM); |
| 334 | return status; |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * ixgbe_calc_eeprom_checksum_X540 - Calculates and returns the checksum |
| 339 | * @hw: pointer to hardware structure |
| 340 | **/ |
| 341 | static u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw) |
| 342 | { |
| 343 | u16 i; |
| 344 | u16 j; |
| 345 | u16 checksum = 0; |
| 346 | u16 length = 0; |
| 347 | u16 pointer = 0; |
| 348 | u16 word = 0; |
| 349 | |
| 350 | /* Include 0x0-0x3F in the checksum */ |
| 351 | for (i = 0; i < IXGBE_EEPROM_CHECKSUM; i++) { |
| 352 | if (hw->eeprom.ops.read(hw, i, &word) != 0) { |
| 353 | hw_dbg(hw, "EEPROM read failed\n"); |
| 354 | break; |
| 355 | } |
| 356 | checksum += word; |
| 357 | } |
| 358 | |
| 359 | /* |
| 360 | * Include all data from pointers 0x3, 0x6-0xE. This excludes the |
| 361 | * FW, PHY module, and PCIe Expansion/Option ROM pointers. |
| 362 | */ |
| 363 | for (i = IXGBE_PCIE_ANALOG_PTR; i < IXGBE_FW_PTR; i++) { |
| 364 | if (i == IXGBE_PHY_PTR || i == IXGBE_OPTION_ROM_PTR) |
| 365 | continue; |
| 366 | |
| 367 | if (hw->eeprom.ops.read(hw, i, &pointer) != 0) { |
| 368 | hw_dbg(hw, "EEPROM read failed\n"); |
| 369 | break; |
| 370 | } |
| 371 | |
| 372 | /* Skip pointer section if the pointer is invalid. */ |
| 373 | if (pointer == 0xFFFF || pointer == 0 || |
| 374 | pointer >= hw->eeprom.word_size) |
| 375 | continue; |
| 376 | |
| 377 | if (hw->eeprom.ops.read(hw, pointer, &length) != 0) { |
| 378 | hw_dbg(hw, "EEPROM read failed\n"); |
| 379 | break; |
| 380 | } |
| 381 | |
| 382 | /* Skip pointer section if length is invalid. */ |
| 383 | if (length == 0xFFFF || length == 0 || |
| 384 | (pointer + length) >= hw->eeprom.word_size) |
| 385 | continue; |
| 386 | |
| 387 | for (j = pointer+1; j <= pointer+length; j++) { |
| 388 | if (hw->eeprom.ops.read(hw, j, &word) != 0) { |
| 389 | hw_dbg(hw, "EEPROM read failed\n"); |
| 390 | break; |
| 391 | } |
| 392 | checksum += word; |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | checksum = (u16)IXGBE_EEPROM_SUM - checksum; |
| 397 | |
| 398 | return checksum; |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * ixgbe_update_eeprom_checksum_X540 - Updates the EEPROM checksum and flash |
| 403 | * @hw: pointer to hardware structure |
| 404 | * |
| 405 | * After writing EEPROM to shadow RAM using EEWR register, software calculates |
| 406 | * checksum and updates the EEPROM and instructs the hardware to update |
| 407 | * the flash. |
| 408 | **/ |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 409 | static s32 ixgbe_update_eeprom_checksum_X540(struct ixgbe_hw *hw) |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 410 | { |
| 411 | s32 status; |
| 412 | |
| 413 | status = ixgbe_update_eeprom_checksum_generic(hw); |
| 414 | |
| 415 | if (status) |
| 416 | status = ixgbe_update_flash_X540(hw); |
| 417 | |
| 418 | return status; |
| 419 | } |
| 420 | |
| 421 | /** |
| 422 | * ixgbe_update_flash_X540 - Instruct HW to copy EEPROM to Flash device |
| 423 | * @hw: pointer to hardware structure |
| 424 | * |
| 425 | * Set FLUP (bit 23) of the EEC register to instruct Hardware to copy |
| 426 | * EEPROM from shadow RAM to the flash device. |
| 427 | **/ |
| 428 | static s32 ixgbe_update_flash_X540(struct ixgbe_hw *hw) |
| 429 | { |
| 430 | u32 flup; |
| 431 | s32 status = IXGBE_ERR_EEPROM; |
| 432 | |
| 433 | status = ixgbe_poll_flash_update_done_X540(hw); |
| 434 | if (status == IXGBE_ERR_EEPROM) { |
| 435 | hw_dbg(hw, "Flash update time out\n"); |
| 436 | goto out; |
| 437 | } |
| 438 | |
| 439 | flup = IXGBE_READ_REG(hw, IXGBE_EEC) | IXGBE_EEC_FLUP; |
| 440 | IXGBE_WRITE_REG(hw, IXGBE_EEC, flup); |
| 441 | |
| 442 | status = ixgbe_poll_flash_update_done_X540(hw); |
| 443 | if (status) |
| 444 | hw_dbg(hw, "Flash update complete\n"); |
| 445 | else |
| 446 | hw_dbg(hw, "Flash update time out\n"); |
| 447 | |
| 448 | if (hw->revision_id == 0) { |
| 449 | flup = IXGBE_READ_REG(hw, IXGBE_EEC); |
| 450 | |
| 451 | if (flup & IXGBE_EEC_SEC1VAL) { |
| 452 | flup |= IXGBE_EEC_FLUP; |
| 453 | IXGBE_WRITE_REG(hw, IXGBE_EEC, flup); |
| 454 | } |
| 455 | |
| 456 | status = ixgbe_poll_flash_update_done_X540(hw); |
| 457 | if (status) |
| 458 | hw_dbg(hw, "Flash update complete\n"); |
| 459 | else |
| 460 | hw_dbg(hw, "Flash update time out\n"); |
| 461 | |
| 462 | } |
| 463 | out: |
| 464 | return status; |
| 465 | } |
| 466 | |
| 467 | /** |
| 468 | * ixgbe_poll_flash_update_done_X540 - Poll flash update status |
| 469 | * @hw: pointer to hardware structure |
| 470 | * |
| 471 | * Polls the FLUDONE (bit 26) of the EEC Register to determine when the |
| 472 | * flash update is done. |
| 473 | **/ |
| 474 | static s32 ixgbe_poll_flash_update_done_X540(struct ixgbe_hw *hw) |
| 475 | { |
| 476 | u32 i; |
| 477 | u32 reg; |
| 478 | s32 status = IXGBE_ERR_EEPROM; |
| 479 | |
| 480 | for (i = 0; i < IXGBE_FLUDONE_ATTEMPTS; i++) { |
| 481 | reg = IXGBE_READ_REG(hw, IXGBE_EEC); |
| 482 | if (reg & IXGBE_EEC_FLUDONE) { |
| 483 | status = 0; |
| 484 | break; |
| 485 | } |
| 486 | udelay(5); |
| 487 | } |
| 488 | return status; |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * ixgbe_acquire_swfw_sync_X540 - Acquire SWFW semaphore |
| 493 | * @hw: pointer to hardware structure |
| 494 | * @mask: Mask to specify which semaphore to acquire |
| 495 | * |
| 496 | * Acquires the SWFW semaphore thought the SW_FW_SYNC register for |
| 497 | * the specified function (CSR, PHY0, PHY1, NVM, Flash) |
| 498 | **/ |
| 499 | static s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask) |
| 500 | { |
| 501 | u32 swfw_sync; |
| 502 | u32 swmask = mask; |
| 503 | u32 fwmask = mask << 5; |
| 504 | u32 hwmask = 0; |
| 505 | u32 timeout = 200; |
| 506 | u32 i; |
| 507 | |
| 508 | if (swmask == IXGBE_GSSR_EEP_SM) |
| 509 | hwmask = IXGBE_GSSR_FLASH_SM; |
| 510 | |
| 511 | for (i = 0; i < timeout; i++) { |
| 512 | /* |
| 513 | * SW NVM semaphore bit is used for access to all |
| 514 | * SW_FW_SYNC bits (not just NVM) |
| 515 | */ |
| 516 | if (ixgbe_get_swfw_sync_semaphore(hw)) |
| 517 | return IXGBE_ERR_SWFW_SYNC; |
| 518 | |
| 519 | swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC); |
| 520 | if (!(swfw_sync & (fwmask | swmask | hwmask))) { |
| 521 | swfw_sync |= swmask; |
| 522 | IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync); |
| 523 | ixgbe_release_swfw_sync_semaphore(hw); |
| 524 | break; |
| 525 | } else { |
| 526 | /* |
| 527 | * Firmware currently using resource (fwmask), |
| 528 | * hardware currently using resource (hwmask), |
| 529 | * or other software thread currently using |
| 530 | * resource (swmask) |
| 531 | */ |
| 532 | ixgbe_release_swfw_sync_semaphore(hw); |
| 533 | msleep(5); |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | /* |
| 538 | * If the resource is not released by the FW/HW the SW can assume that |
| 539 | * the FW/HW malfunctions. In that case the SW should sets the |
| 540 | * SW bit(s) of the requested resource(s) while ignoring the |
| 541 | * corresponding FW/HW bits in the SW_FW_SYNC register. |
| 542 | */ |
| 543 | if (i >= timeout) { |
| 544 | swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC); |
| 545 | if (swfw_sync & (fwmask | hwmask)) { |
| 546 | if (ixgbe_get_swfw_sync_semaphore(hw)) |
| 547 | return IXGBE_ERR_SWFW_SYNC; |
| 548 | |
| 549 | swfw_sync |= swmask; |
| 550 | IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync); |
| 551 | ixgbe_release_swfw_sync_semaphore(hw); |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | msleep(5); |
| 556 | return 0; |
| 557 | } |
| 558 | |
| 559 | /** |
| 560 | * ixgbe_release_swfw_sync_X540 - Release SWFW semaphore |
| 561 | * @hw: pointer to hardware structure |
| 562 | * @mask: Mask to specify which semaphore to release |
| 563 | * |
| 564 | * Releases the SWFW semaphore throught the SW_FW_SYNC register |
| 565 | * for the specified function (CSR, PHY0, PHY1, EVM, Flash) |
| 566 | **/ |
| 567 | static void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask) |
| 568 | { |
| 569 | u32 swfw_sync; |
| 570 | u32 swmask = mask; |
| 571 | |
| 572 | ixgbe_get_swfw_sync_semaphore(hw); |
| 573 | |
| 574 | swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC); |
| 575 | swfw_sync &= ~swmask; |
| 576 | IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync); |
| 577 | |
| 578 | ixgbe_release_swfw_sync_semaphore(hw); |
| 579 | msleep(5); |
| 580 | } |
| 581 | |
| 582 | /** |
| 583 | * ixgbe_get_nvm_semaphore - Get hardware semaphore |
| 584 | * @hw: pointer to hardware structure |
| 585 | * |
| 586 | * Sets the hardware semaphores so SW/FW can gain control of shared resources |
| 587 | **/ |
| 588 | static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw) |
| 589 | { |
| 590 | s32 status = IXGBE_ERR_EEPROM; |
| 591 | u32 timeout = 2000; |
| 592 | u32 i; |
| 593 | u32 swsm; |
| 594 | |
| 595 | /* Get SMBI software semaphore between device drivers first */ |
| 596 | for (i = 0; i < timeout; i++) { |
| 597 | /* |
| 598 | * If the SMBI bit is 0 when we read it, then the bit will be |
| 599 | * set and we have the semaphore |
| 600 | */ |
| 601 | swsm = IXGBE_READ_REG(hw, IXGBE_SWSM); |
| 602 | if (!(swsm & IXGBE_SWSM_SMBI)) { |
| 603 | status = 0; |
| 604 | break; |
| 605 | } |
| 606 | udelay(50); |
| 607 | } |
| 608 | |
| 609 | /* Now get the semaphore between SW/FW through the REGSMP bit */ |
| 610 | if (status) { |
| 611 | for (i = 0; i < timeout; i++) { |
| 612 | swsm = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC); |
| 613 | if (!(swsm & IXGBE_SWFW_REGSMP)) |
| 614 | break; |
| 615 | |
| 616 | udelay(50); |
| 617 | } |
| 618 | } else { |
| 619 | hw_dbg(hw, "Software semaphore SMBI between device drivers " |
| 620 | "not granted.\n"); |
| 621 | } |
| 622 | |
| 623 | return status; |
| 624 | } |
| 625 | |
| 626 | /** |
| 627 | * ixgbe_release_nvm_semaphore - Release hardware semaphore |
| 628 | * @hw: pointer to hardware structure |
| 629 | * |
| 630 | * This function clears hardware semaphore bits. |
| 631 | **/ |
| 632 | static void ixgbe_release_swfw_sync_semaphore(struct ixgbe_hw *hw) |
| 633 | { |
| 634 | u32 swsm; |
| 635 | |
| 636 | /* Release both semaphores by writing 0 to the bits REGSMP and SMBI */ |
| 637 | |
| 638 | swsm = IXGBE_READ_REG(hw, IXGBE_SWSM); |
| 639 | swsm &= ~IXGBE_SWSM_SMBI; |
| 640 | IXGBE_WRITE_REG(hw, IXGBE_SWSM, swsm); |
| 641 | |
| 642 | swsm = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC); |
| 643 | swsm &= ~IXGBE_SWFW_REGSMP; |
| 644 | IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swsm); |
| 645 | |
| 646 | IXGBE_WRITE_FLUSH(hw); |
| 647 | } |
| 648 | |
| 649 | static struct ixgbe_mac_operations mac_ops_X540 = { |
| 650 | .init_hw = &ixgbe_init_hw_generic, |
| 651 | .reset_hw = &ixgbe_reset_hw_X540, |
| 652 | .start_hw = &ixgbe_start_hw_generic, |
| 653 | .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, |
| 654 | .get_media_type = &ixgbe_get_media_type_X540, |
| 655 | .get_supported_physical_layer = |
| 656 | &ixgbe_get_supported_physical_layer_X540, |
| 657 | .enable_rx_dma = &ixgbe_enable_rx_dma_generic, |
| 658 | .get_mac_addr = &ixgbe_get_mac_addr_generic, |
| 659 | .get_san_mac_addr = &ixgbe_get_san_mac_addr_generic, |
| 660 | .get_device_caps = NULL, |
| 661 | .get_wwn_prefix = &ixgbe_get_wwn_prefix_generic, |
| 662 | .stop_adapter = &ixgbe_stop_adapter_generic, |
| 663 | .get_bus_info = &ixgbe_get_bus_info_generic, |
| 664 | .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie, |
| 665 | .read_analog_reg8 = NULL, |
| 666 | .write_analog_reg8 = NULL, |
| 667 | .setup_link = &ixgbe_setup_mac_link_X540, |
| 668 | .check_link = &ixgbe_check_mac_link_generic, |
| 669 | .get_link_capabilities = &ixgbe_get_copper_link_capabilities_generic, |
| 670 | .led_on = &ixgbe_led_on_generic, |
| 671 | .led_off = &ixgbe_led_off_generic, |
| 672 | .blink_led_start = &ixgbe_blink_led_start_generic, |
| 673 | .blink_led_stop = &ixgbe_blink_led_stop_generic, |
| 674 | .set_rar = &ixgbe_set_rar_generic, |
| 675 | .clear_rar = &ixgbe_clear_rar_generic, |
| 676 | .set_vmdq = &ixgbe_set_vmdq_generic, |
| 677 | .clear_vmdq = &ixgbe_clear_vmdq_generic, |
| 678 | .init_rx_addrs = &ixgbe_init_rx_addrs_generic, |
| 679 | .update_uc_addr_list = &ixgbe_update_uc_addr_list_generic, |
| 680 | .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, |
| 681 | .enable_mc = &ixgbe_enable_mc_generic, |
| 682 | .disable_mc = &ixgbe_disable_mc_generic, |
| 683 | .clear_vfta = &ixgbe_clear_vfta_generic, |
| 684 | .set_vfta = &ixgbe_set_vfta_generic, |
| 685 | .fc_enable = &ixgbe_fc_enable_generic, |
| 686 | .init_uta_tables = &ixgbe_init_uta_tables_generic, |
| 687 | .setup_sfp = NULL, |
Greg Rose | 3377eba | 2010-12-07 08:16:45 +0000 | [diff] [blame] | 688 | .set_mac_anti_spoofing = &ixgbe_set_mac_anti_spoofing, |
| 689 | .set_vlan_anti_spoofing = &ixgbe_set_vlan_anti_spoofing, |
Don Skidmore | fe15e8e | 2010-11-16 19:27:16 -0800 | [diff] [blame] | 690 | }; |
| 691 | |
| 692 | static struct ixgbe_eeprom_operations eeprom_ops_X540 = { |
| 693 | .init_params = &ixgbe_init_eeprom_params_X540, |
| 694 | .read = &ixgbe_read_eerd_X540, |
| 695 | .write = &ixgbe_write_eewr_X540, |
| 696 | .calc_checksum = &ixgbe_calc_eeprom_checksum_X540, |
| 697 | .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, |
| 698 | .update_checksum = &ixgbe_update_eeprom_checksum_X540, |
| 699 | }; |
| 700 | |
| 701 | static struct ixgbe_phy_operations phy_ops_X540 = { |
| 702 | .identify = &ixgbe_identify_phy_generic, |
| 703 | .identify_sfp = &ixgbe_identify_sfp_module_generic, |
| 704 | .init = NULL, |
| 705 | .reset = &ixgbe_reset_phy_generic, |
| 706 | .read_reg = &ixgbe_read_phy_reg_generic, |
| 707 | .write_reg = &ixgbe_write_phy_reg_generic, |
| 708 | .setup_link = &ixgbe_setup_phy_link_generic, |
| 709 | .setup_link_speed = &ixgbe_setup_phy_link_speed_generic, |
| 710 | .read_i2c_byte = &ixgbe_read_i2c_byte_generic, |
| 711 | .write_i2c_byte = &ixgbe_write_i2c_byte_generic, |
| 712 | .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic, |
| 713 | .write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic, |
| 714 | .check_overtemp = &ixgbe_tn_check_overtemp, |
| 715 | }; |
| 716 | |
| 717 | struct ixgbe_info ixgbe_X540_info = { |
| 718 | .mac = ixgbe_mac_X540, |
| 719 | .get_invariants = &ixgbe_get_invariants_X540, |
| 720 | .mac_ops = &mac_ops_X540, |
| 721 | .eeprom_ops = &eeprom_ops_X540, |
| 722 | .phy_ops = &phy_ops_X540, |
| 723 | .mbx_ops = &mbx_ops_generic, |
| 724 | }; |