Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | * |
| 3 | * Intel 10 Gigabit PCI Express Linux driver |
Don Skidmore | d5ec98a | 2015-06-09 17:52:41 -0700 | [diff] [blame] | 4 | * Copyright(c) 1999 - 2015 Intel Corporation. |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [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 | * The full GNU General Public License is included in this distribution in |
| 16 | * the file called "COPYING". |
| 17 | * |
| 18 | * Contact Information: |
| 19 | * Linux NICS <linux.nics@intel.com> |
| 20 | * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 21 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 22 | * |
| 23 | ******************************************************************************/ |
| 24 | #include "ixgbe_x540.h" |
| 25 | #include "ixgbe_type.h" |
| 26 | #include "ixgbe_common.h" |
| 27 | #include "ixgbe_phy.h" |
| 28 | |
Don Skidmore | b5529ef | 2015-06-10 20:42:30 -0400 | [diff] [blame] | 29 | static s32 ixgbe_get_invariants_X550_x(struct ixgbe_hw *hw) |
| 30 | { |
| 31 | struct ixgbe_mac_info *mac = &hw->mac; |
| 32 | struct ixgbe_phy_info *phy = &hw->phy; |
| 33 | |
| 34 | /* Start with X540 invariants, since so simular */ |
| 35 | ixgbe_get_invariants_X540(hw); |
| 36 | |
| 37 | if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper) |
| 38 | phy->ops.set_phy_power = NULL; |
| 39 | |
| 40 | return 0; |
| 41 | } |
| 42 | |
Don Skidmore | ab5fe0c | 2015-06-09 16:18:56 -0700 | [diff] [blame] | 43 | /** ixgbe_setup_mux_ctl - Setup ESDP register for I2C mux control |
| 44 | * @hw: pointer to hardware structure |
| 45 | **/ |
| 46 | static void ixgbe_setup_mux_ctl(struct ixgbe_hw *hw) |
| 47 | { |
| 48 | u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); |
| 49 | |
| 50 | if (hw->bus.lan_id) { |
| 51 | esdp &= ~(IXGBE_ESDP_SDP1_NATIVE | IXGBE_ESDP_SDP1); |
| 52 | esdp |= IXGBE_ESDP_SDP1_DIR; |
| 53 | } |
| 54 | esdp &= ~(IXGBE_ESDP_SDP0_NATIVE | IXGBE_ESDP_SDP0_DIR); |
| 55 | IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp); |
| 56 | IXGBE_WRITE_FLUSH(hw); |
| 57 | } |
| 58 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 59 | /** ixgbe_identify_phy_x550em - Get PHY type based on device id |
| 60 | * @hw: pointer to hardware structure |
| 61 | * |
| 62 | * Returns error code |
| 63 | */ |
| 64 | static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw) |
| 65 | { |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 66 | switch (hw->device_id) { |
| 67 | case IXGBE_DEV_ID_X550EM_X_SFP: |
| 68 | /* set up for CS4227 usage */ |
| 69 | hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM; |
Don Skidmore | ab5fe0c | 2015-06-09 16:18:56 -0700 | [diff] [blame] | 70 | ixgbe_setup_mux_ctl(hw); |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 71 | |
| 72 | return ixgbe_identify_module_generic(hw); |
| 73 | case IXGBE_DEV_ID_X550EM_X_KX4: |
| 74 | hw->phy.type = ixgbe_phy_x550em_kx4; |
| 75 | break; |
| 76 | case IXGBE_DEV_ID_X550EM_X_KR: |
| 77 | hw->phy.type = ixgbe_phy_x550em_kr; |
| 78 | break; |
| 79 | case IXGBE_DEV_ID_X550EM_X_1G_T: |
| 80 | case IXGBE_DEV_ID_X550EM_X_10G_T: |
| 81 | return ixgbe_identify_phy_generic(hw); |
| 82 | default: |
| 83 | break; |
| 84 | } |
| 85 | return 0; |
| 86 | } |
| 87 | |
| 88 | static s32 ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr, |
| 89 | u32 device_type, u16 *phy_data) |
| 90 | { |
| 91 | return IXGBE_NOT_IMPLEMENTED; |
| 92 | } |
| 93 | |
| 94 | static s32 ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr, |
| 95 | u32 device_type, u16 phy_data) |
| 96 | { |
| 97 | return IXGBE_NOT_IMPLEMENTED; |
| 98 | } |
| 99 | |
| 100 | /** ixgbe_init_eeprom_params_X550 - Initialize EEPROM params |
| 101 | * @hw: pointer to hardware structure |
| 102 | * |
| 103 | * Initializes the EEPROM parameters ixgbe_eeprom_info within the |
| 104 | * ixgbe_hw struct in order to set up EEPROM access. |
| 105 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 106 | static s32 ixgbe_init_eeprom_params_X550(struct ixgbe_hw *hw) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 107 | { |
| 108 | struct ixgbe_eeprom_info *eeprom = &hw->eeprom; |
| 109 | u32 eec; |
| 110 | u16 eeprom_size; |
| 111 | |
| 112 | if (eeprom->type == ixgbe_eeprom_uninitialized) { |
| 113 | eeprom->semaphore_delay = 10; |
| 114 | eeprom->type = ixgbe_flash; |
| 115 | |
Don Skidmore | 9a900ec | 2015-06-09 17:15:01 -0700 | [diff] [blame] | 116 | eec = IXGBE_READ_REG(hw, IXGBE_EEC(hw)); |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 117 | eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >> |
| 118 | IXGBE_EEC_SIZE_SHIFT); |
| 119 | eeprom->word_size = 1 << (eeprom_size + |
| 120 | IXGBE_EEPROM_WORD_SIZE_SHIFT); |
| 121 | |
| 122 | hw_dbg(hw, "Eeprom params: type = %d, size = %d\n", |
| 123 | eeprom->type, eeprom->word_size); |
| 124 | } |
| 125 | |
| 126 | return 0; |
| 127 | } |
| 128 | |
Mark Rustad | ae14a1d | 2015-04-10 10:36:26 -0700 | [diff] [blame] | 129 | /** |
| 130 | * ixgbe_iosf_wait - Wait for IOSF command completion |
| 131 | * @hw: pointer to hardware structure |
| 132 | * @ctrl: pointer to location to receive final IOSF control value |
| 133 | * |
| 134 | * Return: failing status on timeout |
| 135 | * |
| 136 | * Note: ctrl can be NULL if the IOSF control register value is not needed |
| 137 | */ |
| 138 | static s32 ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl) |
| 139 | { |
| 140 | u32 i, command; |
| 141 | |
| 142 | /* Check every 10 usec to see if the address cycle completed. |
| 143 | * The SB IOSF BUSY bit will clear when the operation is |
| 144 | * complete. |
| 145 | */ |
| 146 | for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) { |
| 147 | command = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL); |
| 148 | if (!(command & IXGBE_SB_IOSF_CTRL_BUSY)) |
| 149 | break; |
| 150 | usleep_range(10, 20); |
| 151 | } |
| 152 | if (ctrl) |
| 153 | *ctrl = command; |
| 154 | if (i == IXGBE_MDIO_COMMAND_TIMEOUT) { |
| 155 | hw_dbg(hw, "IOSF wait timed out\n"); |
| 156 | return IXGBE_ERR_PHY; |
| 157 | } |
| 158 | |
| 159 | return 0; |
| 160 | } |
| 161 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 162 | /** ixgbe_read_iosf_sb_reg_x550 - Writes a value to specified register of the |
| 163 | * IOSF device |
| 164 | * @hw: pointer to hardware structure |
| 165 | * @reg_addr: 32 bit PHY register to write |
| 166 | * @device_type: 3 bit device type |
| 167 | * @phy_data: Pointer to read data from the register |
| 168 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 169 | static s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr, |
| 170 | u32 device_type, u32 *data) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 171 | { |
Mark Rustad | ae14a1d | 2015-04-10 10:36:26 -0700 | [diff] [blame] | 172 | u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM; |
| 173 | u32 command, error; |
| 174 | s32 ret; |
| 175 | |
| 176 | ret = hw->mac.ops.acquire_swfw_sync(hw, gssr); |
| 177 | if (ret) |
| 178 | return ret; |
| 179 | |
| 180 | ret = ixgbe_iosf_wait(hw, NULL); |
| 181 | if (ret) |
| 182 | goto out; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 183 | |
| 184 | command = ((reg_addr << IXGBE_SB_IOSF_CTRL_ADDR_SHIFT) | |
| 185 | (device_type << IXGBE_SB_IOSF_CTRL_TARGET_SELECT_SHIFT)); |
| 186 | |
| 187 | /* Write IOSF control register */ |
| 188 | IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL, command); |
| 189 | |
Mark Rustad | ae14a1d | 2015-04-10 10:36:26 -0700 | [diff] [blame] | 190 | ret = ixgbe_iosf_wait(hw, &command); |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 191 | |
| 192 | if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) { |
| 193 | error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >> |
| 194 | IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT; |
| 195 | hw_dbg(hw, "Failed to read, error %x\n", error); |
| 196 | return IXGBE_ERR_PHY; |
| 197 | } |
| 198 | |
Mark Rustad | ae14a1d | 2015-04-10 10:36:26 -0700 | [diff] [blame] | 199 | if (!ret) |
| 200 | *data = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA); |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 201 | |
Mark Rustad | ae14a1d | 2015-04-10 10:36:26 -0700 | [diff] [blame] | 202 | out: |
| 203 | hw->mac.ops.release_swfw_sync(hw, gssr); |
| 204 | return ret; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | /** ixgbe_read_ee_hostif_data_X550 - Read EEPROM word using a host interface |
| 208 | * command assuming that the semaphore is already obtained. |
| 209 | * @hw: pointer to hardware structure |
| 210 | * @offset: offset of word in the EEPROM to read |
| 211 | * @data: word read from the EEPROM |
| 212 | * |
| 213 | * Reads a 16 bit word from the EEPROM using the hostif. |
| 214 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 215 | static s32 ixgbe_read_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset, |
| 216 | u16 *data) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 217 | { |
| 218 | s32 status; |
| 219 | struct ixgbe_hic_read_shadow_ram buffer; |
| 220 | |
| 221 | buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD; |
| 222 | buffer.hdr.req.buf_lenh = 0; |
| 223 | buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN; |
| 224 | buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM; |
| 225 | |
| 226 | /* convert offset from words to bytes */ |
| 227 | buffer.address = cpu_to_be32(offset * 2); |
| 228 | /* one word */ |
| 229 | buffer.length = cpu_to_be16(sizeof(u16)); |
| 230 | |
| 231 | status = ixgbe_host_interface_command(hw, (u32 *)&buffer, |
| 232 | sizeof(buffer), |
| 233 | IXGBE_HI_COMMAND_TIMEOUT, false); |
| 234 | if (status) |
| 235 | return status; |
| 236 | |
| 237 | *data = (u16)IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, |
| 238 | FW_NVM_DATA_OFFSET); |
| 239 | |
| 240 | return 0; |
| 241 | } |
| 242 | |
| 243 | /** ixgbe_read_ee_hostif_buffer_X550- Read EEPROM word(s) using hostif |
| 244 | * @hw: pointer to hardware structure |
| 245 | * @offset: offset of word in the EEPROM to read |
| 246 | * @words: number of words |
| 247 | * @data: word(s) read from the EEPROM |
| 248 | * |
| 249 | * Reads a 16 bit word(s) from the EEPROM using the hostif. |
| 250 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 251 | static s32 ixgbe_read_ee_hostif_buffer_X550(struct ixgbe_hw *hw, |
| 252 | u16 offset, u16 words, u16 *data) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 253 | { |
| 254 | struct ixgbe_hic_read_shadow_ram buffer; |
| 255 | u32 current_word = 0; |
| 256 | u16 words_to_read; |
| 257 | s32 status; |
| 258 | u32 i; |
| 259 | |
| 260 | /* Take semaphore for the entire operation. */ |
| 261 | status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM); |
| 262 | if (status) { |
| 263 | hw_dbg(hw, "EEPROM read buffer - semaphore failed\n"); |
| 264 | return status; |
| 265 | } |
| 266 | |
| 267 | while (words) { |
| 268 | if (words > FW_MAX_READ_BUFFER_SIZE / 2) |
| 269 | words_to_read = FW_MAX_READ_BUFFER_SIZE / 2; |
| 270 | else |
| 271 | words_to_read = words; |
| 272 | |
| 273 | buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD; |
| 274 | buffer.hdr.req.buf_lenh = 0; |
| 275 | buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN; |
| 276 | buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM; |
| 277 | |
| 278 | /* convert offset from words to bytes */ |
| 279 | buffer.address = cpu_to_be32((offset + current_word) * 2); |
| 280 | buffer.length = cpu_to_be16(words_to_read * 2); |
| 281 | |
| 282 | status = ixgbe_host_interface_command(hw, (u32 *)&buffer, |
| 283 | sizeof(buffer), |
| 284 | IXGBE_HI_COMMAND_TIMEOUT, |
| 285 | false); |
| 286 | if (status) { |
| 287 | hw_dbg(hw, "Host interface command failed\n"); |
| 288 | goto out; |
| 289 | } |
| 290 | |
| 291 | for (i = 0; i < words_to_read; i++) { |
| 292 | u32 reg = IXGBE_FLEX_MNG + (FW_NVM_DATA_OFFSET << 2) + |
| 293 | 2 * i; |
| 294 | u32 value = IXGBE_READ_REG(hw, reg); |
| 295 | |
| 296 | data[current_word] = (u16)(value & 0xffff); |
| 297 | current_word++; |
| 298 | i++; |
| 299 | if (i < words_to_read) { |
| 300 | value >>= 16; |
| 301 | data[current_word] = (u16)(value & 0xffff); |
| 302 | current_word++; |
| 303 | } |
| 304 | } |
| 305 | words -= words_to_read; |
| 306 | } |
| 307 | |
| 308 | out: |
| 309 | hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM); |
| 310 | return status; |
| 311 | } |
| 312 | |
| 313 | /** ixgbe_checksum_ptr_x550 - Checksum one pointer region |
| 314 | * @hw: pointer to hardware structure |
| 315 | * @ptr: pointer offset in eeprom |
| 316 | * @size: size of section pointed by ptr, if 0 first word will be used as size |
| 317 | * @csum: address of checksum to update |
| 318 | * |
| 319 | * Returns error status for any failure |
| 320 | **/ |
| 321 | static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr, |
| 322 | u16 size, u16 *csum, u16 *buffer, |
| 323 | u32 buffer_size) |
| 324 | { |
| 325 | u16 buf[256]; |
| 326 | s32 status; |
| 327 | u16 length, bufsz, i, start; |
| 328 | u16 *local_buffer; |
| 329 | |
| 330 | bufsz = sizeof(buf) / sizeof(buf[0]); |
| 331 | |
| 332 | /* Read a chunk at the pointer location */ |
| 333 | if (!buffer) { |
| 334 | status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr, bufsz, buf); |
| 335 | if (status) { |
| 336 | hw_dbg(hw, "Failed to read EEPROM image\n"); |
| 337 | return status; |
| 338 | } |
| 339 | local_buffer = buf; |
| 340 | } else { |
| 341 | if (buffer_size < ptr) |
| 342 | return IXGBE_ERR_PARAM; |
| 343 | local_buffer = &buffer[ptr]; |
| 344 | } |
| 345 | |
| 346 | if (size) { |
| 347 | start = 0; |
| 348 | length = size; |
| 349 | } else { |
| 350 | start = 1; |
| 351 | length = local_buffer[0]; |
| 352 | |
| 353 | /* Skip pointer section if length is invalid. */ |
| 354 | if (length == 0xFFFF || length == 0 || |
| 355 | (ptr + length) >= hw->eeprom.word_size) |
| 356 | return 0; |
| 357 | } |
| 358 | |
| 359 | if (buffer && ((u32)start + (u32)length > buffer_size)) |
| 360 | return IXGBE_ERR_PARAM; |
| 361 | |
| 362 | for (i = start; length; i++, length--) { |
| 363 | if (i == bufsz && !buffer) { |
| 364 | ptr += bufsz; |
| 365 | i = 0; |
| 366 | if (length < bufsz) |
| 367 | bufsz = length; |
| 368 | |
| 369 | /* Read a chunk at the pointer location */ |
| 370 | status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr, |
| 371 | bufsz, buf); |
| 372 | if (status) { |
| 373 | hw_dbg(hw, "Failed to read EEPROM image\n"); |
| 374 | return status; |
| 375 | } |
| 376 | } |
| 377 | *csum += local_buffer[i]; |
| 378 | } |
| 379 | return 0; |
| 380 | } |
| 381 | |
| 382 | /** ixgbe_calc_checksum_X550 - Calculates and returns the checksum |
| 383 | * @hw: pointer to hardware structure |
| 384 | * @buffer: pointer to buffer containing calculated checksum |
| 385 | * @buffer_size: size of buffer |
| 386 | * |
| 387 | * Returns a negative error code on error, or the 16-bit checksum |
| 388 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 389 | static s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer, |
| 390 | u32 buffer_size) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 391 | { |
| 392 | u16 eeprom_ptrs[IXGBE_EEPROM_LAST_WORD + 1]; |
| 393 | u16 *local_buffer; |
| 394 | s32 status; |
| 395 | u16 checksum = 0; |
| 396 | u16 pointer, i, size; |
| 397 | |
| 398 | hw->eeprom.ops.init_params(hw); |
| 399 | |
| 400 | if (!buffer) { |
| 401 | /* Read pointer area */ |
| 402 | status = ixgbe_read_ee_hostif_buffer_X550(hw, 0, |
| 403 | IXGBE_EEPROM_LAST_WORD + 1, |
| 404 | eeprom_ptrs); |
| 405 | if (status) { |
| 406 | hw_dbg(hw, "Failed to read EEPROM image\n"); |
| 407 | return status; |
| 408 | } |
| 409 | local_buffer = eeprom_ptrs; |
| 410 | } else { |
| 411 | if (buffer_size < IXGBE_EEPROM_LAST_WORD) |
| 412 | return IXGBE_ERR_PARAM; |
| 413 | local_buffer = buffer; |
| 414 | } |
| 415 | |
| 416 | /* For X550 hardware include 0x0-0x41 in the checksum, skip the |
| 417 | * checksum word itself |
| 418 | */ |
| 419 | for (i = 0; i <= IXGBE_EEPROM_LAST_WORD; i++) |
| 420 | if (i != IXGBE_EEPROM_CHECKSUM) |
| 421 | checksum += local_buffer[i]; |
| 422 | |
| 423 | /* Include all data from pointers 0x3, 0x6-0xE. This excludes the |
| 424 | * FW, PHY module, and PCIe Expansion/Option ROM pointers. |
| 425 | */ |
| 426 | for (i = IXGBE_PCIE_ANALOG_PTR_X550; i < IXGBE_FW_PTR; i++) { |
| 427 | if (i == IXGBE_PHY_PTR || i == IXGBE_OPTION_ROM_PTR) |
| 428 | continue; |
| 429 | |
| 430 | pointer = local_buffer[i]; |
| 431 | |
| 432 | /* Skip pointer section if the pointer is invalid. */ |
| 433 | if (pointer == 0xFFFF || pointer == 0 || |
| 434 | pointer >= hw->eeprom.word_size) |
| 435 | continue; |
| 436 | |
| 437 | switch (i) { |
| 438 | case IXGBE_PCIE_GENERAL_PTR: |
| 439 | size = IXGBE_IXGBE_PCIE_GENERAL_SIZE; |
| 440 | break; |
| 441 | case IXGBE_PCIE_CONFIG0_PTR: |
| 442 | case IXGBE_PCIE_CONFIG1_PTR: |
| 443 | size = IXGBE_PCIE_CONFIG_SIZE; |
| 444 | break; |
| 445 | default: |
| 446 | size = 0; |
| 447 | break; |
| 448 | } |
| 449 | |
| 450 | status = ixgbe_checksum_ptr_x550(hw, pointer, size, &checksum, |
| 451 | buffer, buffer_size); |
| 452 | if (status) |
| 453 | return status; |
| 454 | } |
| 455 | |
| 456 | checksum = (u16)IXGBE_EEPROM_SUM - checksum; |
| 457 | |
| 458 | return (s32)checksum; |
| 459 | } |
| 460 | |
| 461 | /** ixgbe_calc_eeprom_checksum_X550 - Calculates and returns the checksum |
| 462 | * @hw: pointer to hardware structure |
| 463 | * |
| 464 | * Returns a negative error code on error, or the 16-bit checksum |
| 465 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 466 | static s32 ixgbe_calc_eeprom_checksum_X550(struct ixgbe_hw *hw) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 467 | { |
| 468 | return ixgbe_calc_checksum_X550(hw, NULL, 0); |
| 469 | } |
| 470 | |
| 471 | /** ixgbe_read_ee_hostif_X550 - Read EEPROM word using a host interface command |
| 472 | * @hw: pointer to hardware structure |
| 473 | * @offset: offset of word in the EEPROM to read |
| 474 | * @data: word read from the EEPROM |
| 475 | * |
| 476 | * Reads a 16 bit word from the EEPROM using the hostif. |
| 477 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 478 | static s32 ixgbe_read_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 *data) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 479 | { |
| 480 | s32 status = 0; |
| 481 | |
| 482 | if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0) { |
| 483 | status = ixgbe_read_ee_hostif_data_X550(hw, offset, data); |
| 484 | hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM); |
| 485 | } else { |
| 486 | status = IXGBE_ERR_SWFW_SYNC; |
| 487 | } |
| 488 | |
| 489 | return status; |
| 490 | } |
| 491 | |
| 492 | /** ixgbe_validate_eeprom_checksum_X550 - Validate EEPROM checksum |
| 493 | * @hw: pointer to hardware structure |
| 494 | * @checksum_val: calculated checksum |
| 495 | * |
| 496 | * Performs checksum calculation and validates the EEPROM checksum. If the |
| 497 | * caller does not need checksum_val, the value can be NULL. |
| 498 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 499 | static s32 ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw, |
| 500 | u16 *checksum_val) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 501 | { |
| 502 | s32 status; |
| 503 | u16 checksum; |
| 504 | u16 read_checksum = 0; |
| 505 | |
| 506 | /* Read the first word from the EEPROM. If this times out or fails, do |
| 507 | * not continue or we could be in for a very long wait while every |
| 508 | * EEPROM read fails |
| 509 | */ |
| 510 | status = hw->eeprom.ops.read(hw, 0, &checksum); |
| 511 | if (status) { |
| 512 | hw_dbg(hw, "EEPROM read failed\n"); |
| 513 | return status; |
| 514 | } |
| 515 | |
| 516 | status = hw->eeprom.ops.calc_checksum(hw); |
| 517 | if (status < 0) |
| 518 | return status; |
| 519 | |
| 520 | checksum = (u16)(status & 0xffff); |
| 521 | |
| 522 | status = ixgbe_read_ee_hostif_X550(hw, IXGBE_EEPROM_CHECKSUM, |
| 523 | &read_checksum); |
| 524 | if (status) |
| 525 | return status; |
| 526 | |
| 527 | /* Verify read checksum from EEPROM is the same as |
| 528 | * calculated checksum |
| 529 | */ |
| 530 | if (read_checksum != checksum) { |
| 531 | status = IXGBE_ERR_EEPROM_CHECKSUM; |
| 532 | hw_dbg(hw, "Invalid EEPROM checksum"); |
| 533 | } |
| 534 | |
| 535 | /* If the user cares, return the calculated checksum */ |
| 536 | if (checksum_val) |
| 537 | *checksum_val = checksum; |
| 538 | |
| 539 | return status; |
| 540 | } |
| 541 | |
| 542 | /** ixgbe_write_ee_hostif_X550 - Write EEPROM word using hostif |
| 543 | * @hw: pointer to hardware structure |
| 544 | * @offset: offset of word in the EEPROM to write |
| 545 | * @data: word write to the EEPROM |
| 546 | * |
| 547 | * Write a 16 bit word to the EEPROM using the hostif. |
| 548 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 549 | static s32 ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset, |
| 550 | u16 data) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 551 | { |
| 552 | s32 status; |
| 553 | struct ixgbe_hic_write_shadow_ram buffer; |
| 554 | |
| 555 | buffer.hdr.req.cmd = FW_WRITE_SHADOW_RAM_CMD; |
| 556 | buffer.hdr.req.buf_lenh = 0; |
| 557 | buffer.hdr.req.buf_lenl = FW_WRITE_SHADOW_RAM_LEN; |
| 558 | buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM; |
| 559 | |
| 560 | /* one word */ |
| 561 | buffer.length = cpu_to_be16(sizeof(u16)); |
| 562 | buffer.data = data; |
| 563 | buffer.address = cpu_to_be32(offset * 2); |
| 564 | |
| 565 | status = ixgbe_host_interface_command(hw, (u32 *)&buffer, |
| 566 | sizeof(buffer), |
| 567 | IXGBE_HI_COMMAND_TIMEOUT, false); |
| 568 | return status; |
| 569 | } |
| 570 | |
| 571 | /** ixgbe_write_ee_hostif_X550 - Write EEPROM word using hostif |
| 572 | * @hw: pointer to hardware structure |
| 573 | * @offset: offset of word in the EEPROM to write |
| 574 | * @data: word write to the EEPROM |
| 575 | * |
| 576 | * Write a 16 bit word to the EEPROM using the hostif. |
| 577 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 578 | static s32 ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 data) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 579 | { |
| 580 | s32 status = 0; |
| 581 | |
| 582 | if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0) { |
| 583 | status = ixgbe_write_ee_hostif_data_X550(hw, offset, data); |
| 584 | hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM); |
| 585 | } else { |
| 586 | hw_dbg(hw, "write ee hostif failed to get semaphore"); |
| 587 | status = IXGBE_ERR_SWFW_SYNC; |
| 588 | } |
| 589 | |
| 590 | return status; |
| 591 | } |
| 592 | |
| 593 | /** ixgbe_update_flash_X550 - Instruct HW to copy EEPROM to Flash device |
| 594 | * @hw: pointer to hardware structure |
| 595 | * |
| 596 | * Issue a shadow RAM dump to FW to copy EEPROM from shadow RAM to the flash. |
| 597 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 598 | static s32 ixgbe_update_flash_X550(struct ixgbe_hw *hw) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 599 | { |
| 600 | s32 status = 0; |
| 601 | union ixgbe_hic_hdr2 buffer; |
| 602 | |
| 603 | buffer.req.cmd = FW_SHADOW_RAM_DUMP_CMD; |
| 604 | buffer.req.buf_lenh = 0; |
| 605 | buffer.req.buf_lenl = FW_SHADOW_RAM_DUMP_LEN; |
| 606 | buffer.req.checksum = FW_DEFAULT_CHECKSUM; |
| 607 | |
| 608 | status = ixgbe_host_interface_command(hw, (u32 *)&buffer, |
| 609 | sizeof(buffer), |
| 610 | IXGBE_HI_COMMAND_TIMEOUT, false); |
| 611 | return status; |
| 612 | } |
| 613 | |
Don Skidmore | 1f9ac57 | 2015-03-13 13:54:30 -0700 | [diff] [blame] | 614 | /** ixgbe_disable_rx_x550 - Disable RX unit |
| 615 | * |
| 616 | * Enables the Rx DMA unit for x550 |
| 617 | **/ |
| 618 | static void ixgbe_disable_rx_x550(struct ixgbe_hw *hw) |
| 619 | { |
| 620 | u32 rxctrl, pfdtxgswc; |
| 621 | s32 status; |
| 622 | struct ixgbe_hic_disable_rxen fw_cmd; |
| 623 | |
| 624 | rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); |
| 625 | if (rxctrl & IXGBE_RXCTRL_RXEN) { |
| 626 | pfdtxgswc = IXGBE_READ_REG(hw, IXGBE_PFDTXGSWC); |
| 627 | if (pfdtxgswc & IXGBE_PFDTXGSWC_VT_LBEN) { |
| 628 | pfdtxgswc &= ~IXGBE_PFDTXGSWC_VT_LBEN; |
| 629 | IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, pfdtxgswc); |
| 630 | hw->mac.set_lben = true; |
| 631 | } else { |
| 632 | hw->mac.set_lben = false; |
| 633 | } |
| 634 | |
| 635 | fw_cmd.hdr.cmd = FW_DISABLE_RXEN_CMD; |
| 636 | fw_cmd.hdr.buf_len = FW_DISABLE_RXEN_LEN; |
| 637 | fw_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM; |
| 638 | fw_cmd.port_number = (u8)hw->bus.lan_id; |
| 639 | |
| 640 | status = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd, |
| 641 | sizeof(struct ixgbe_hic_disable_rxen), |
| 642 | IXGBE_HI_COMMAND_TIMEOUT, true); |
| 643 | |
| 644 | /* If we fail - disable RX using register write */ |
| 645 | if (status) { |
| 646 | rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); |
| 647 | if (rxctrl & IXGBE_RXCTRL_RXEN) { |
| 648 | rxctrl &= ~IXGBE_RXCTRL_RXEN; |
| 649 | IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl); |
| 650 | } |
| 651 | } |
| 652 | } |
| 653 | } |
| 654 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 655 | /** ixgbe_update_eeprom_checksum_X550 - Updates the EEPROM checksum and flash |
| 656 | * @hw: pointer to hardware structure |
| 657 | * |
| 658 | * After writing EEPROM to shadow RAM using EEWR register, software calculates |
| 659 | * checksum and updates the EEPROM and instructs the hardware to update |
| 660 | * the flash. |
| 661 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 662 | static s32 ixgbe_update_eeprom_checksum_X550(struct ixgbe_hw *hw) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 663 | { |
| 664 | s32 status; |
| 665 | u16 checksum = 0; |
| 666 | |
| 667 | /* Read the first word from the EEPROM. If this times out or fails, do |
| 668 | * not continue or we could be in for a very long wait while every |
| 669 | * EEPROM read fails |
| 670 | */ |
| 671 | status = ixgbe_read_ee_hostif_X550(hw, 0, &checksum); |
| 672 | if (status) { |
| 673 | hw_dbg(hw, "EEPROM read failed\n"); |
| 674 | return status; |
| 675 | } |
| 676 | |
| 677 | status = ixgbe_calc_eeprom_checksum_X550(hw); |
| 678 | if (status < 0) |
| 679 | return status; |
| 680 | |
| 681 | checksum = (u16)(status & 0xffff); |
| 682 | |
| 683 | status = ixgbe_write_ee_hostif_X550(hw, IXGBE_EEPROM_CHECKSUM, |
| 684 | checksum); |
| 685 | if (status) |
| 686 | return status; |
| 687 | |
| 688 | status = ixgbe_update_flash_X550(hw); |
| 689 | |
| 690 | return status; |
| 691 | } |
| 692 | |
| 693 | /** ixgbe_write_ee_hostif_buffer_X550 - Write EEPROM word(s) using hostif |
| 694 | * @hw: pointer to hardware structure |
| 695 | * @offset: offset of word in the EEPROM to write |
| 696 | * @words: number of words |
| 697 | * @data: word(s) write to the EEPROM |
| 698 | * |
| 699 | * |
| 700 | * Write a 16 bit word(s) to the EEPROM using the hostif. |
| 701 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 702 | static s32 ixgbe_write_ee_hostif_buffer_X550(struct ixgbe_hw *hw, |
| 703 | u16 offset, u16 words, |
| 704 | u16 *data) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 705 | { |
| 706 | s32 status = 0; |
| 707 | u32 i = 0; |
| 708 | |
| 709 | /* Take semaphore for the entire operation. */ |
| 710 | status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM); |
| 711 | if (status) { |
| 712 | hw_dbg(hw, "EEPROM write buffer - semaphore failed\n"); |
| 713 | return status; |
| 714 | } |
| 715 | |
| 716 | for (i = 0; i < words; i++) { |
| 717 | status = ixgbe_write_ee_hostif_data_X550(hw, offset + i, |
| 718 | data[i]); |
| 719 | if (status) { |
| 720 | hw_dbg(hw, "Eeprom buffered write failed\n"); |
| 721 | break; |
| 722 | } |
| 723 | } |
| 724 | |
| 725 | hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM); |
| 726 | |
| 727 | return status; |
| 728 | } |
| 729 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 730 | /** ixgbe_write_iosf_sb_reg_x550 - Writes a value to specified register of the |
| 731 | * IOSF device |
| 732 | * |
| 733 | * @hw: pointer to hardware structure |
| 734 | * @reg_addr: 32 bit PHY register to write |
| 735 | * @device_type: 3 bit device type |
| 736 | * @data: Data to write to the register |
| 737 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 738 | static s32 ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr, |
| 739 | u32 device_type, u32 data) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 740 | { |
Mark Rustad | ae14a1d | 2015-04-10 10:36:26 -0700 | [diff] [blame] | 741 | u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM; |
| 742 | u32 command, error; |
| 743 | s32 ret; |
| 744 | |
| 745 | ret = hw->mac.ops.acquire_swfw_sync(hw, gssr); |
| 746 | if (ret) |
| 747 | return ret; |
| 748 | |
| 749 | ret = ixgbe_iosf_wait(hw, NULL); |
| 750 | if (ret) |
| 751 | goto out; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 752 | |
| 753 | command = ((reg_addr << IXGBE_SB_IOSF_CTRL_ADDR_SHIFT) | |
| 754 | (device_type << IXGBE_SB_IOSF_CTRL_TARGET_SELECT_SHIFT)); |
| 755 | |
| 756 | /* Write IOSF control register */ |
| 757 | IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL, command); |
| 758 | |
| 759 | /* Write IOSF data register */ |
| 760 | IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA, data); |
| 761 | |
Mark Rustad | ae14a1d | 2015-04-10 10:36:26 -0700 | [diff] [blame] | 762 | ret = ixgbe_iosf_wait(hw, &command); |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 763 | |
| 764 | if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) { |
| 765 | error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >> |
| 766 | IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT; |
| 767 | hw_dbg(hw, "Failed to write, error %x\n", error); |
| 768 | return IXGBE_ERR_PHY; |
| 769 | } |
| 770 | |
Mark Rustad | ae14a1d | 2015-04-10 10:36:26 -0700 | [diff] [blame] | 771 | out: |
| 772 | hw->mac.ops.release_swfw_sync(hw, gssr); |
| 773 | return ret; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 774 | } |
| 775 | |
| 776 | /** ixgbe_setup_ixfi_x550em - Configure the KR PHY for iXFI mode. |
| 777 | * @hw: pointer to hardware structure |
| 778 | * @speed: the link speed to force |
| 779 | * |
| 780 | * Configures the integrated KR PHY to use iXFI mode. Used to connect an |
| 781 | * internal and external PHY at a specific speed, without autonegotiation. |
| 782 | **/ |
| 783 | static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed) |
| 784 | { |
| 785 | s32 status; |
| 786 | u32 reg_val; |
| 787 | |
| 788 | /* Disable AN and force speed to 10G Serial. */ |
| 789 | status = ixgbe_read_iosf_sb_reg_x550(hw, |
| 790 | IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), |
| 791 | IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); |
| 792 | if (status) |
| 793 | return status; |
| 794 | |
| 795 | reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE; |
| 796 | reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK; |
| 797 | |
| 798 | /* Select forced link speed for internal PHY. */ |
| 799 | switch (*speed) { |
| 800 | case IXGBE_LINK_SPEED_10GB_FULL: |
| 801 | reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G; |
| 802 | break; |
| 803 | case IXGBE_LINK_SPEED_1GB_FULL: |
| 804 | reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G; |
| 805 | break; |
| 806 | default: |
| 807 | /* Other link speeds are not supported by internal KR PHY. */ |
| 808 | return IXGBE_ERR_LINK_SETUP; |
| 809 | } |
| 810 | |
| 811 | status = ixgbe_write_iosf_sb_reg_x550(hw, |
Don Skidmore | bec4e68 | 2015-06-09 17:55:59 -0700 | [diff] [blame] | 812 | IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 813 | IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); |
| 814 | if (status) |
| 815 | return status; |
| 816 | |
| 817 | /* Disable training protocol FSM. */ |
| 818 | status = ixgbe_read_iosf_sb_reg_x550(hw, |
| 819 | IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id), |
| 820 | IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); |
| 821 | if (status) |
| 822 | return status; |
| 823 | |
| 824 | reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_CONV_WO_PROTOCOL; |
| 825 | status = ixgbe_write_iosf_sb_reg_x550(hw, |
| 826 | IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id), |
| 827 | IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); |
| 828 | if (status) |
| 829 | return status; |
| 830 | |
| 831 | /* Disable Flex from training TXFFE. */ |
| 832 | status = ixgbe_read_iosf_sb_reg_x550(hw, |
| 833 | IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id), |
| 834 | IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); |
| 835 | if (status) |
| 836 | return status; |
| 837 | |
| 838 | reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN; |
| 839 | reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN; |
| 840 | reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN; |
| 841 | status = ixgbe_write_iosf_sb_reg_x550(hw, |
| 842 | IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id), |
| 843 | IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); |
| 844 | if (status) |
| 845 | return status; |
| 846 | |
| 847 | status = ixgbe_read_iosf_sb_reg_x550(hw, |
| 848 | IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id), |
| 849 | IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); |
| 850 | if (status) |
| 851 | return status; |
| 852 | |
| 853 | reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN; |
| 854 | reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN; |
| 855 | reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN; |
| 856 | status = ixgbe_write_iosf_sb_reg_x550(hw, |
| 857 | IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id), |
| 858 | IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); |
| 859 | if (status) |
| 860 | return status; |
| 861 | |
| 862 | /* Enable override for coefficients. */ |
| 863 | status = ixgbe_read_iosf_sb_reg_x550(hw, |
| 864 | IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id), |
| 865 | IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); |
| 866 | if (status) |
| 867 | return status; |
| 868 | |
| 869 | reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_OVRRD_EN; |
| 870 | reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CZERO_EN; |
| 871 | reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CPLUS1_OVRRD_EN; |
| 872 | reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CMINUS1_OVRRD_EN; |
| 873 | status = ixgbe_write_iosf_sb_reg_x550(hw, |
| 874 | IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id), |
| 875 | IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); |
| 876 | if (status) |
| 877 | return status; |
| 878 | |
| 879 | /* Toggle port SW reset by AN reset. */ |
| 880 | status = ixgbe_read_iosf_sb_reg_x550(hw, |
| 881 | IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), |
| 882 | IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); |
| 883 | if (status) |
| 884 | return status; |
| 885 | |
| 886 | reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART; |
| 887 | status = ixgbe_write_iosf_sb_reg_x550(hw, |
| 888 | IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), |
| 889 | IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); |
| 890 | |
| 891 | return status; |
| 892 | } |
| 893 | |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 894 | /** |
| 895 | * ixgbe_setup_mac_link_t_X550em - Sets the auto advertised link speed |
| 896 | * @hw: pointer to hardware structure |
| 897 | * @speed: new link speed |
| 898 | * @autoneg_wait_to_complete: true when waiting for completion is needed |
| 899 | * |
| 900 | * Setup internal/external PHY link speed based on link speed, then set |
| 901 | * external PHY auto advertised link speed. |
| 902 | * |
| 903 | * Returns error status for any failure |
| 904 | **/ |
| 905 | static s32 ixgbe_setup_mac_link_t_X550em(struct ixgbe_hw *hw, |
| 906 | ixgbe_link_speed speed, |
| 907 | bool autoneg_wait) |
| 908 | { |
| 909 | s32 status; |
| 910 | ixgbe_link_speed force_speed; |
| 911 | |
| 912 | /* Setup internal/external PHY link speed to iXFI (10G), unless |
| 913 | * only 1G is auto advertised then setup KX link. |
| 914 | */ |
| 915 | if (speed & IXGBE_LINK_SPEED_10GB_FULL) |
| 916 | force_speed = IXGBE_LINK_SPEED_10GB_FULL; |
| 917 | else |
| 918 | force_speed = IXGBE_LINK_SPEED_1GB_FULL; |
| 919 | |
| 920 | /* If internal link mode is XFI, then setup XFI internal link. */ |
| 921 | if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) { |
| 922 | status = ixgbe_setup_ixfi_x550em(hw, &force_speed); |
| 923 | |
| 924 | if (status) |
| 925 | return status; |
| 926 | } |
| 927 | |
| 928 | return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait); |
| 929 | } |
| 930 | |
Don Skidmore | a4e293a | 2015-06-09 17:44:58 -0700 | [diff] [blame] | 931 | /** ixgbe_check_link_t_X550em - Determine link and speed status |
| 932 | * @hw: pointer to hardware structure |
| 933 | * @speed: pointer to link speed |
| 934 | * @link_up: true when link is up |
| 935 | * @link_up_wait_to_complete: bool used to wait for link up or not |
| 936 | * |
| 937 | * Check that both the MAC and X557 external PHY have link. |
| 938 | **/ |
| 939 | static s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw, |
| 940 | ixgbe_link_speed *speed, |
| 941 | bool *link_up, |
| 942 | bool link_up_wait_to_complete) |
| 943 | { |
| 944 | u32 status; |
| 945 | u16 autoneg_status; |
| 946 | |
| 947 | if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper) |
| 948 | return IXGBE_ERR_CONFIG; |
| 949 | |
| 950 | status = ixgbe_check_mac_link_generic(hw, speed, link_up, |
| 951 | link_up_wait_to_complete); |
| 952 | |
| 953 | /* If check link fails or MAC link is not up, then return */ |
| 954 | if (status || !(*link_up)) |
| 955 | return status; |
| 956 | |
| 957 | /* MAC link is up, so check external PHY link. |
| 958 | * Read this twice back to back to indicate current status. |
| 959 | */ |
| 960 | status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS, |
| 961 | IXGBE_MDIO_AUTO_NEG_DEV_TYPE, |
| 962 | &autoneg_status); |
| 963 | if (status) |
| 964 | return status; |
| 965 | |
| 966 | /* If external PHY link is not up, then indicate link not up */ |
| 967 | if (!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS)) |
| 968 | *link_up = false; |
| 969 | |
| 970 | return 0; |
| 971 | } |
| 972 | |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 973 | /** ixgbe_init_mac_link_ops_X550em - init mac link function pointers |
| 974 | * @hw: pointer to hardware structure |
| 975 | **/ |
| 976 | static void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw) |
| 977 | { |
| 978 | struct ixgbe_mac_info *mac = &hw->mac; |
| 979 | |
| 980 | switch (mac->ops.get_media_type(hw)) { |
| 981 | case ixgbe_media_type_fiber: |
| 982 | /* CS4227 does not support autoneg, so disable the laser control |
| 983 | * functions for SFP+ fiber |
| 984 | */ |
| 985 | mac->ops.disable_tx_laser = NULL; |
| 986 | mac->ops.enable_tx_laser = NULL; |
| 987 | mac->ops.flap_tx_laser = NULL; |
| 988 | break; |
| 989 | case ixgbe_media_type_copper: |
| 990 | mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em; |
Don Skidmore | a4e293a | 2015-06-09 17:44:58 -0700 | [diff] [blame] | 991 | mac->ops.check_link = ixgbe_check_link_t_X550em; |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 992 | break; |
| 993 | default: |
| 994 | break; |
| 995 | } |
| 996 | } |
| 997 | |
| 998 | /** ixgbe_setup_sfp_modules_X550em - Setup SFP module |
| 999 | * @hw: pointer to hardware structure |
| 1000 | */ |
| 1001 | static s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw) |
| 1002 | { |
| 1003 | bool setup_linear; |
| 1004 | u16 reg_slice, edc_mode; |
| 1005 | s32 ret_val; |
| 1006 | |
| 1007 | switch (hw->phy.sfp_type) { |
| 1008 | case ixgbe_sfp_type_unknown: |
| 1009 | return 0; |
| 1010 | case ixgbe_sfp_type_not_present: |
| 1011 | return IXGBE_ERR_SFP_NOT_PRESENT; |
| 1012 | case ixgbe_sfp_type_da_cu_core0: |
| 1013 | case ixgbe_sfp_type_da_cu_core1: |
| 1014 | setup_linear = true; |
| 1015 | break; |
| 1016 | case ixgbe_sfp_type_srlr_core0: |
| 1017 | case ixgbe_sfp_type_srlr_core1: |
| 1018 | case ixgbe_sfp_type_da_act_lmt_core0: |
| 1019 | case ixgbe_sfp_type_da_act_lmt_core1: |
| 1020 | case ixgbe_sfp_type_1g_sx_core0: |
| 1021 | case ixgbe_sfp_type_1g_sx_core1: |
| 1022 | setup_linear = false; |
| 1023 | break; |
| 1024 | default: |
| 1025 | return IXGBE_ERR_SFP_NOT_SUPPORTED; |
| 1026 | } |
| 1027 | |
| 1028 | ixgbe_init_mac_link_ops_X550em(hw); |
| 1029 | hw->phy.ops.reset = NULL; |
| 1030 | |
| 1031 | /* The CS4227 slice address is the base address + the port-pair reg |
| 1032 | * offset. I.e. Slice 0 = 0x12B0 and slice 1 = 0x22B0. |
| 1033 | */ |
| 1034 | reg_slice = IXGBE_CS4227_SPARE24_LSB + (hw->bus.lan_id << 12); |
| 1035 | |
| 1036 | if (setup_linear) |
| 1037 | edc_mode = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1; |
| 1038 | else |
| 1039 | edc_mode = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1; |
| 1040 | |
| 1041 | /* Configure CS4227 for connection type. */ |
| 1042 | ret_val = hw->phy.ops.write_i2c_combined(hw, IXGBE_CS4227, reg_slice, |
| 1043 | edc_mode); |
| 1044 | |
| 1045 | if (ret_val) |
| 1046 | ret_val = hw->phy.ops.write_i2c_combined(hw, 0x80, reg_slice, |
| 1047 | edc_mode); |
| 1048 | |
| 1049 | return ret_val; |
| 1050 | } |
| 1051 | |
| 1052 | /** ixgbe_get_link_capabilities_x550em - Determines link capabilities |
| 1053 | * @hw: pointer to hardware structure |
| 1054 | * @speed: pointer to link speed |
| 1055 | * @autoneg: true when autoneg or autotry is enabled |
| 1056 | **/ |
| 1057 | static s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw, |
| 1058 | ixgbe_link_speed *speed, |
| 1059 | bool *autoneg) |
| 1060 | { |
| 1061 | /* SFP */ |
| 1062 | if (hw->phy.media_type == ixgbe_media_type_fiber) { |
| 1063 | /* CS4227 SFP must not enable auto-negotiation */ |
| 1064 | *autoneg = false; |
| 1065 | |
| 1066 | if (hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core0 || |
| 1067 | hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core1) { |
| 1068 | *speed = IXGBE_LINK_SPEED_1GB_FULL; |
| 1069 | return 0; |
| 1070 | } |
| 1071 | |
| 1072 | /* Link capabilities are based on SFP */ |
| 1073 | if (hw->phy.multispeed_fiber) |
| 1074 | *speed = IXGBE_LINK_SPEED_10GB_FULL | |
| 1075 | IXGBE_LINK_SPEED_1GB_FULL; |
| 1076 | else |
| 1077 | *speed = IXGBE_LINK_SPEED_10GB_FULL; |
| 1078 | } else { |
| 1079 | *speed = IXGBE_LINK_SPEED_10GB_FULL | |
| 1080 | IXGBE_LINK_SPEED_1GB_FULL; |
| 1081 | *autoneg = true; |
| 1082 | } |
| 1083 | return 0; |
| 1084 | } |
| 1085 | |
| 1086 | /** |
| 1087 | * ixgbe_get_lasi_ext_t_x550em - Determime external Base T PHY interrupt cause |
| 1088 | * @hw: pointer to hardware structure |
| 1089 | * @lsc: pointer to boolean flag which indicates whether external Base T |
| 1090 | * PHY interrupt is lsc |
| 1091 | * |
| 1092 | * Determime if external Base T PHY interrupt cause is high temperature |
| 1093 | * failure alarm or link status change. |
| 1094 | * |
| 1095 | * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature |
| 1096 | * failure alarm, else return PHY access status. |
| 1097 | **/ |
| 1098 | static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc) |
| 1099 | { |
| 1100 | u32 status; |
| 1101 | u16 reg; |
| 1102 | |
| 1103 | *lsc = false; |
| 1104 | |
| 1105 | /* Vendor alarm triggered */ |
| 1106 | status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG, |
| 1107 | IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, |
| 1108 | ®); |
| 1109 | |
| 1110 | if (status || !(reg & IXGBE_MDIO_GLOBAL_VEN_ALM_INT_EN)) |
| 1111 | return status; |
| 1112 | |
| 1113 | /* Vendor Auto-Neg alarm triggered or Global alarm 1 triggered */ |
| 1114 | status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_FLAG, |
| 1115 | IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, |
| 1116 | ®); |
| 1117 | |
| 1118 | if (status || !(reg & (IXGBE_MDIO_GLOBAL_AN_VEN_ALM_INT_EN | |
| 1119 | IXGBE_MDIO_GLOBAL_ALARM_1_INT))) |
| 1120 | return status; |
| 1121 | |
| 1122 | /* High temperature failure alarm triggered */ |
| 1123 | status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_ALARM_1, |
| 1124 | IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, |
| 1125 | ®); |
| 1126 | |
| 1127 | if (status) |
| 1128 | return status; |
| 1129 | |
| 1130 | /* If high temperature failure, then return over temp error and exit */ |
| 1131 | if (reg & IXGBE_MDIO_GLOBAL_ALM_1_HI_TMP_FAIL) { |
| 1132 | /* power down the PHY in case the PHY FW didn't already */ |
| 1133 | ixgbe_set_copper_phy_power(hw, false); |
| 1134 | return IXGBE_ERR_OVERTEMP; |
| 1135 | } |
| 1136 | |
| 1137 | /* Vendor alarm 2 triggered */ |
| 1138 | status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG, |
| 1139 | IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®); |
| 1140 | |
| 1141 | if (status || !(reg & IXGBE_MDIO_GLOBAL_STD_ALM2_INT)) |
| 1142 | return status; |
| 1143 | |
| 1144 | /* link connect/disconnect event occurred */ |
| 1145 | status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM2, |
| 1146 | IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®); |
| 1147 | |
| 1148 | if (status) |
| 1149 | return status; |
| 1150 | |
| 1151 | /* Indicate LSC */ |
| 1152 | if (reg & IXGBE_MDIO_AUTO_NEG_VEN_LSC) |
| 1153 | *lsc = true; |
| 1154 | |
| 1155 | return 0; |
| 1156 | } |
| 1157 | |
| 1158 | /** |
| 1159 | * ixgbe_enable_lasi_ext_t_x550em - Enable external Base T PHY interrupts |
| 1160 | * @hw: pointer to hardware structure |
| 1161 | * |
| 1162 | * Enable link status change and temperature failure alarm for the external |
| 1163 | * Base T PHY |
| 1164 | * |
| 1165 | * Returns PHY access status |
| 1166 | **/ |
| 1167 | static s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw) |
| 1168 | { |
| 1169 | u32 status; |
| 1170 | u16 reg; |
| 1171 | bool lsc; |
| 1172 | |
| 1173 | /* Clear interrupt flags */ |
| 1174 | status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc); |
| 1175 | |
| 1176 | /* Enable link status change alarm */ |
| 1177 | status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK, |
| 1178 | IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®); |
| 1179 | if (status) |
| 1180 | return status; |
| 1181 | |
| 1182 | reg |= IXGBE_MDIO_PMA_TX_VEN_LASI_INT_EN; |
| 1183 | |
| 1184 | status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK, |
| 1185 | IXGBE_MDIO_AUTO_NEG_DEV_TYPE, reg); |
| 1186 | if (status) |
| 1187 | return status; |
| 1188 | |
| 1189 | /* Enables high temperature failure alarm */ |
| 1190 | status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK, |
| 1191 | IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, |
| 1192 | ®); |
| 1193 | if (status) |
| 1194 | return status; |
| 1195 | |
| 1196 | reg |= IXGBE_MDIO_GLOBAL_INT_HI_TEMP_EN; |
| 1197 | |
| 1198 | status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK, |
| 1199 | IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, |
| 1200 | reg); |
| 1201 | if (status) |
| 1202 | return status; |
| 1203 | |
| 1204 | /* Enable vendor Auto-Neg alarm and Global Interrupt Mask 1 alarm */ |
| 1205 | status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_MASK, |
| 1206 | IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, |
| 1207 | ®); |
| 1208 | if (status) |
| 1209 | return status; |
| 1210 | |
| 1211 | reg |= (IXGBE_MDIO_GLOBAL_AN_VEN_ALM_INT_EN | |
| 1212 | IXGBE_MDIO_GLOBAL_ALARM_1_INT); |
| 1213 | |
| 1214 | status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_MASK, |
| 1215 | IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, |
| 1216 | reg); |
| 1217 | if (status) |
| 1218 | return status; |
| 1219 | |
| 1220 | /* Enable chip-wide vendor alarm */ |
| 1221 | status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_STD_MASK, |
| 1222 | IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, |
| 1223 | ®); |
| 1224 | if (status) |
| 1225 | return status; |
| 1226 | |
| 1227 | reg |= IXGBE_MDIO_GLOBAL_VEN_ALM_INT_EN; |
| 1228 | |
| 1229 | status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_STD_MASK, |
| 1230 | IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, |
| 1231 | reg); |
| 1232 | |
| 1233 | return status; |
| 1234 | } |
| 1235 | |
| 1236 | /** |
| 1237 | * ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt |
| 1238 | * @hw: pointer to hardware structure |
| 1239 | * |
| 1240 | * Handle external Base T PHY interrupt. If high temperature |
| 1241 | * failure alarm then return error, else if link status change |
| 1242 | * then setup internal/external PHY link |
| 1243 | * |
| 1244 | * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature |
| 1245 | * failure alarm, else return PHY access status. |
| 1246 | **/ |
| 1247 | static s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw) |
| 1248 | { |
| 1249 | struct ixgbe_phy_info *phy = &hw->phy; |
| 1250 | bool lsc; |
| 1251 | u32 status; |
| 1252 | |
| 1253 | status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc); |
| 1254 | if (status) |
| 1255 | return status; |
| 1256 | |
| 1257 | if (lsc) |
| 1258 | return phy->ops.setup_internal_link(hw); |
| 1259 | |
| 1260 | return 0; |
| 1261 | } |
| 1262 | |
| 1263 | /** |
| 1264 | * ixgbe_setup_kr_speed_x550em - Configure the KR PHY for link speed. |
| 1265 | * @hw: pointer to hardware structure |
| 1266 | * @speed: link speed |
| 1267 | * |
| 1268 | * Configures the integrated KR PHY. |
| 1269 | **/ |
| 1270 | static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw, |
| 1271 | ixgbe_link_speed speed) |
| 1272 | { |
| 1273 | s32 status; |
| 1274 | u32 reg_val; |
| 1275 | |
| 1276 | status = ixgbe_read_iosf_sb_reg_x550(hw, |
| 1277 | IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), |
| 1278 | IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); |
| 1279 | if (status) |
| 1280 | return status; |
| 1281 | |
| 1282 | reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE; |
| 1283 | reg_val &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_AN_FEC_REQ | |
| 1284 | IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC); |
| 1285 | reg_val &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KR | |
| 1286 | IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX); |
| 1287 | |
| 1288 | /* Advertise 10G support. */ |
| 1289 | if (speed & IXGBE_LINK_SPEED_10GB_FULL) |
| 1290 | reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KR; |
| 1291 | |
| 1292 | /* Advertise 1G support. */ |
| 1293 | if (speed & IXGBE_LINK_SPEED_1GB_FULL) |
| 1294 | reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX; |
| 1295 | |
| 1296 | /* Restart auto-negotiation. */ |
| 1297 | reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART; |
| 1298 | status = ixgbe_write_iosf_sb_reg_x550(hw, |
| 1299 | IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), |
| 1300 | IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); |
| 1301 | |
| 1302 | return status; |
| 1303 | } |
| 1304 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1305 | /** ixgbe_setup_kx4_x550em - Configure the KX4 PHY. |
| 1306 | * @hw: pointer to hardware structure |
| 1307 | * |
| 1308 | * Configures the integrated KX4 PHY. |
| 1309 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 1310 | static s32 ixgbe_setup_kx4_x550em(struct ixgbe_hw *hw) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1311 | { |
| 1312 | s32 status; |
| 1313 | u32 reg_val; |
| 1314 | |
| 1315 | status = ixgbe_read_iosf_sb_reg_x550(hw, IXGBE_KX4_LINK_CNTL_1, |
| 1316 | IXGBE_SB_IOSF_TARGET_KX4_PCS0 + |
| 1317 | hw->bus.lan_id, ®_val); |
| 1318 | if (status) |
| 1319 | return status; |
| 1320 | |
| 1321 | reg_val &= ~(IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX4 | |
| 1322 | IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX); |
| 1323 | |
| 1324 | reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_ENABLE; |
| 1325 | |
| 1326 | /* Advertise 10G support. */ |
| 1327 | if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL) |
| 1328 | reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX4; |
| 1329 | |
| 1330 | /* Advertise 1G support. */ |
| 1331 | if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) |
| 1332 | reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX; |
| 1333 | |
| 1334 | /* Restart auto-negotiation. */ |
| 1335 | reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_RESTART; |
| 1336 | status = ixgbe_write_iosf_sb_reg_x550(hw, IXGBE_KX4_LINK_CNTL_1, |
| 1337 | IXGBE_SB_IOSF_TARGET_KX4_PCS0 + |
| 1338 | hw->bus.lan_id, reg_val); |
| 1339 | |
| 1340 | return status; |
| 1341 | } |
| 1342 | |
| 1343 | /** ixgbe_setup_kr_x550em - Configure the KR PHY. |
| 1344 | * @hw: pointer to hardware structure |
| 1345 | * |
| 1346 | * Configures the integrated KR PHY. |
| 1347 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 1348 | static s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1349 | { |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1350 | return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised); |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1351 | } |
| 1352 | |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1353 | /** ixgbe_ext_phy_t_x550em_get_link - Get ext phy link status |
| 1354 | * @hw: address of hardware structure |
| 1355 | * @link_up: address of boolean to indicate link status |
| 1356 | * |
| 1357 | * Returns error code if unable to get link status. |
| 1358 | **/ |
| 1359 | static s32 ixgbe_ext_phy_t_x550em_get_link(struct ixgbe_hw *hw, bool *link_up) |
| 1360 | { |
| 1361 | u32 ret; |
| 1362 | u16 autoneg_status; |
| 1363 | |
| 1364 | *link_up = false; |
| 1365 | |
| 1366 | /* read this twice back to back to indicate current status */ |
| 1367 | ret = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS, |
| 1368 | IXGBE_MDIO_AUTO_NEG_DEV_TYPE, |
| 1369 | &autoneg_status); |
| 1370 | if (ret) |
| 1371 | return ret; |
| 1372 | |
| 1373 | ret = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS, |
| 1374 | IXGBE_MDIO_AUTO_NEG_DEV_TYPE, |
| 1375 | &autoneg_status); |
| 1376 | if (ret) |
| 1377 | return ret; |
| 1378 | |
| 1379 | *link_up = !!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS); |
| 1380 | |
| 1381 | return 0; |
| 1382 | } |
| 1383 | |
| 1384 | /** ixgbe_setup_internal_phy_t_x550em - Configure KR PHY to X557 link |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1385 | * @hw: point to hardware structure |
| 1386 | * |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1387 | * Configures the link between the integrated KR PHY and the external X557 PHY |
| 1388 | * The driver will call this function when it gets a link status change |
| 1389 | * interrupt from the X557 PHY. This function configures the link speed |
| 1390 | * between the PHYs to match the link speed of the BASE-T link. |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1391 | * |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1392 | * A return of a non-zero value indicates an error, and the base driver should |
| 1393 | * not report link up. |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1394 | **/ |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1395 | static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1396 | { |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1397 | ixgbe_link_speed force_speed; |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1398 | bool link_up; |
| 1399 | u32 status; |
| 1400 | u16 speed; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1401 | |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1402 | if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper) |
| 1403 | return IXGBE_ERR_CONFIG; |
| 1404 | |
| 1405 | /* If link is not up, then there is no setup necessary so return */ |
| 1406 | status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up); |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1407 | if (status) |
| 1408 | return status; |
| 1409 | |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1410 | if (!link_up) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1411 | return 0; |
| 1412 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1413 | status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_STAT, |
| 1414 | IXGBE_MDIO_AUTO_NEG_DEV_TYPE, |
| 1415 | &speed); |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1416 | if (status) |
| 1417 | return status; |
| 1418 | |
| 1419 | /* If link is not still up, then no setup is necessary so return */ |
| 1420 | status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up); |
| 1421 | if (status) |
| 1422 | return status; |
| 1423 | |
| 1424 | if (!link_up) |
| 1425 | return 0; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1426 | |
| 1427 | /* clear everything but the speed and duplex bits */ |
| 1428 | speed &= IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_MASK; |
| 1429 | |
| 1430 | switch (speed) { |
| 1431 | case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB_FULL: |
| 1432 | force_speed = IXGBE_LINK_SPEED_10GB_FULL; |
| 1433 | break; |
| 1434 | case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB_FULL: |
| 1435 | force_speed = IXGBE_LINK_SPEED_1GB_FULL; |
| 1436 | break; |
| 1437 | default: |
| 1438 | /* Internal PHY does not support anything else */ |
| 1439 | return IXGBE_ERR_INVALID_LINK_SETTINGS; |
| 1440 | } |
| 1441 | |
| 1442 | return ixgbe_setup_ixfi_x550em(hw, &force_speed); |
| 1443 | } |
| 1444 | |
Don Skidmore | f4410d2 | 2015-06-09 16:29:51 -0700 | [diff] [blame] | 1445 | /** ixgbe_reset_phy_t_X550em - Performs X557 PHY reset and enables LASI |
| 1446 | * @hw: pointer to hardware structure |
| 1447 | **/ |
| 1448 | static s32 ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw) |
| 1449 | { |
| 1450 | s32 status; |
| 1451 | |
| 1452 | status = ixgbe_reset_phy_generic(hw); |
| 1453 | |
| 1454 | if (status) |
| 1455 | return status; |
| 1456 | |
| 1457 | /* Configure Link Status Alarm and Temperature Threshold interrupts */ |
| 1458 | return ixgbe_enable_lasi_ext_t_x550em(hw); |
| 1459 | } |
| 1460 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1461 | /** ixgbe_init_phy_ops_X550em - PHY/SFP specific init |
| 1462 | * @hw: pointer to hardware structure |
| 1463 | * |
| 1464 | * Initialize any function pointers that were not able to be |
| 1465 | * set during init_shared_code because the PHY/SFP type was |
| 1466 | * not known. Perform the SFP init if necessary. |
| 1467 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 1468 | static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1469 | { |
| 1470 | struct ixgbe_phy_info *phy = &hw->phy; |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1471 | ixgbe_link_speed speed; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1472 | s32 ret_val; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1473 | |
Don Skidmore | 7e49d61 | 2015-06-09 17:48:54 -0700 | [diff] [blame] | 1474 | hw->mac.ops.set_lan_id(hw); |
| 1475 | |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1476 | if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) { |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1477 | phy->phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM; |
Don Skidmore | ab5fe0c | 2015-06-09 16:18:56 -0700 | [diff] [blame] | 1478 | ixgbe_setup_mux_ctl(hw); |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1479 | |
| 1480 | /* Save NW management interface connected on board. This is used |
| 1481 | * to determine internal PHY mode. |
| 1482 | */ |
| 1483 | phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL); |
| 1484 | |
| 1485 | /* If internal PHY mode is KR, then initialize KR link */ |
| 1486 | if (phy->nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE) { |
| 1487 | speed = IXGBE_LINK_SPEED_10GB_FULL | |
| 1488 | IXGBE_LINK_SPEED_1GB_FULL; |
| 1489 | ret_val = ixgbe_setup_kr_speed_x550em(hw, speed); |
| 1490 | } |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1491 | } |
| 1492 | |
| 1493 | /* Identify the PHY or SFP module */ |
| 1494 | ret_val = phy->ops.identify(hw); |
| 1495 | |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1496 | /* Setup function pointers based on detected hardware */ |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1497 | ixgbe_init_mac_link_ops_X550em(hw); |
| 1498 | if (phy->sfp_type != ixgbe_sfp_type_unknown) |
| 1499 | phy->ops.reset = NULL; |
| 1500 | |
| 1501 | /* Set functions pointers based on phy type */ |
| 1502 | switch (hw->phy.type) { |
| 1503 | case ixgbe_phy_x550em_kx4: |
| 1504 | phy->ops.setup_link = ixgbe_setup_kx4_x550em; |
| 1505 | phy->ops.read_reg = ixgbe_read_phy_reg_x550em; |
| 1506 | phy->ops.write_reg = ixgbe_write_phy_reg_x550em; |
| 1507 | break; |
| 1508 | case ixgbe_phy_x550em_kr: |
| 1509 | phy->ops.setup_link = ixgbe_setup_kr_x550em; |
| 1510 | phy->ops.read_reg = ixgbe_read_phy_reg_x550em; |
| 1511 | phy->ops.write_reg = ixgbe_write_phy_reg_x550em; |
| 1512 | break; |
| 1513 | case ixgbe_phy_x550em_ext_t: |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1514 | /* Save NW management interface connected on board. This is used |
| 1515 | * to determine internal PHY mode |
| 1516 | */ |
| 1517 | phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL); |
| 1518 | |
| 1519 | /* If internal link mode is XFI, then setup iXFI internal link, |
| 1520 | * else setup KR now. |
| 1521 | */ |
| 1522 | if (!(phy->nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) { |
| 1523 | phy->ops.setup_internal_link = |
| 1524 | ixgbe_setup_internal_phy_t_x550em; |
| 1525 | } else { |
| 1526 | speed = IXGBE_LINK_SPEED_10GB_FULL | |
| 1527 | IXGBE_LINK_SPEED_1GB_FULL; |
| 1528 | ret_val = ixgbe_setup_kr_speed_x550em(hw, speed); |
| 1529 | } |
| 1530 | |
| 1531 | phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em; |
Don Skidmore | f4410d2 | 2015-06-09 16:29:51 -0700 | [diff] [blame] | 1532 | phy->ops.reset = ixgbe_reset_phy_t_X550em; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1533 | break; |
| 1534 | default: |
| 1535 | break; |
| 1536 | } |
Don Skidmore | c3dc4c0 | 2015-06-09 16:26:44 -0700 | [diff] [blame] | 1537 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1538 | return ret_val; |
| 1539 | } |
| 1540 | |
| 1541 | /** ixgbe_get_media_type_X550em - Get media type |
| 1542 | * @hw: pointer to hardware structure |
| 1543 | * |
| 1544 | * Returns the media type (fiber, copper, backplane) |
| 1545 | * |
| 1546 | */ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 1547 | static enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1548 | { |
| 1549 | enum ixgbe_media_type media_type; |
| 1550 | |
| 1551 | /* Detect if there is a copper PHY attached. */ |
| 1552 | switch (hw->device_id) { |
| 1553 | case IXGBE_DEV_ID_X550EM_X_KR: |
| 1554 | case IXGBE_DEV_ID_X550EM_X_KX4: |
| 1555 | media_type = ixgbe_media_type_backplane; |
| 1556 | break; |
| 1557 | case IXGBE_DEV_ID_X550EM_X_SFP: |
| 1558 | media_type = ixgbe_media_type_fiber; |
| 1559 | break; |
| 1560 | case IXGBE_DEV_ID_X550EM_X_1G_T: |
| 1561 | case IXGBE_DEV_ID_X550EM_X_10G_T: |
| 1562 | media_type = ixgbe_media_type_copper; |
| 1563 | break; |
| 1564 | default: |
| 1565 | media_type = ixgbe_media_type_unknown; |
| 1566 | break; |
| 1567 | } |
| 1568 | return media_type; |
| 1569 | } |
| 1570 | |
| 1571 | /** ixgbe_init_ext_t_x550em - Start (unstall) the external Base T PHY. |
| 1572 | ** @hw: pointer to hardware structure |
| 1573 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 1574 | static s32 ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1575 | { |
Mark Rustad | a1e869d | 2015-04-10 10:36:36 -0700 | [diff] [blame] | 1576 | s32 status; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1577 | u16 reg; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1578 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1579 | status = hw->phy.ops.read_reg(hw, |
Don Skidmore | e2261bc | 2015-06-09 17:02:35 -0700 | [diff] [blame] | 1580 | IXGBE_MDIO_TX_VENDOR_ALARMS_3, |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1581 | IXGBE_MDIO_PMA_PMD_DEV_TYPE, |
| 1582 | ®); |
| 1583 | if (status) |
| 1584 | return status; |
| 1585 | |
Don Skidmore | e2261bc | 2015-06-09 17:02:35 -0700 | [diff] [blame] | 1586 | /* If PHY FW reset completed bit is set then this is the first |
| 1587 | * SW instance after a power on so the PHY FW must be un-stalled. |
| 1588 | */ |
| 1589 | if (reg & IXGBE_MDIO_TX_VENDOR_ALARMS_3_RST_MASK) { |
| 1590 | status = hw->phy.ops.read_reg(hw, |
| 1591 | IXGBE_MDIO_GLOBAL_RES_PR_10, |
| 1592 | IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, |
| 1593 | ®); |
| 1594 | if (status) |
| 1595 | return status; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1596 | |
Don Skidmore | e2261bc | 2015-06-09 17:02:35 -0700 | [diff] [blame] | 1597 | reg &= ~IXGBE_MDIO_POWER_UP_STALL; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1598 | |
Don Skidmore | e2261bc | 2015-06-09 17:02:35 -0700 | [diff] [blame] | 1599 | status = hw->phy.ops.write_reg(hw, |
| 1600 | IXGBE_MDIO_GLOBAL_RES_PR_10, |
| 1601 | IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, |
| 1602 | reg); |
| 1603 | if (status) |
| 1604 | return status; |
| 1605 | } |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1606 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1607 | return status; |
| 1608 | } |
| 1609 | |
| 1610 | /** ixgbe_reset_hw_X550em - Perform hardware reset |
| 1611 | ** @hw: pointer to hardware structure |
| 1612 | ** |
| 1613 | ** Resets the hardware by resetting the transmit and receive units, masks |
| 1614 | ** and clears all interrupts, perform a PHY reset, and perform a link (MAC) |
| 1615 | ** reset. |
| 1616 | **/ |
Don Skidmore | 7ddbde3 | 2014-12-06 05:59:21 +0000 | [diff] [blame] | 1617 | static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw) |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1618 | { |
| 1619 | ixgbe_link_speed link_speed; |
| 1620 | s32 status; |
| 1621 | u32 ctrl = 0; |
| 1622 | u32 i; |
Don Skidmore | deda562 | 2015-06-09 17:39:46 -0700 | [diff] [blame] | 1623 | u32 hlreg0; |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1624 | bool link_up = false; |
| 1625 | |
| 1626 | /* Call adapter stop to disable Tx/Rx and clear interrupts */ |
| 1627 | status = hw->mac.ops.stop_adapter(hw); |
| 1628 | if (status) |
| 1629 | return status; |
| 1630 | |
| 1631 | /* flush pending Tx transactions */ |
| 1632 | ixgbe_clear_tx_pending(hw); |
| 1633 | |
| 1634 | /* PHY ops must be identified and initialized prior to reset */ |
| 1635 | |
| 1636 | /* Identify PHY and related function pointers */ |
| 1637 | status = hw->phy.ops.init(hw); |
| 1638 | |
| 1639 | /* start the external PHY */ |
| 1640 | if (hw->phy.type == ixgbe_phy_x550em_ext_t) { |
| 1641 | status = ixgbe_init_ext_t_x550em(hw); |
| 1642 | if (status) |
| 1643 | return status; |
| 1644 | } |
| 1645 | |
| 1646 | /* Setup SFP module if there is one present. */ |
| 1647 | if (hw->phy.sfp_setup_needed) { |
| 1648 | status = hw->mac.ops.setup_sfp(hw); |
| 1649 | hw->phy.sfp_setup_needed = false; |
| 1650 | } |
| 1651 | |
| 1652 | /* Reset PHY */ |
| 1653 | if (!hw->phy.reset_disable && hw->phy.ops.reset) |
| 1654 | hw->phy.ops.reset(hw); |
| 1655 | |
| 1656 | mac_reset_top: |
| 1657 | /* Issue global reset to the MAC. Needs to be SW reset if link is up. |
| 1658 | * If link reset is used when link is up, it might reset the PHY when |
| 1659 | * mng is using it. If link is down or the flag to force full link |
| 1660 | * reset is set, then perform link reset. |
| 1661 | */ |
| 1662 | ctrl = IXGBE_CTRL_LNK_RST; |
| 1663 | |
| 1664 | if (!hw->force_full_reset) { |
| 1665 | hw->mac.ops.check_link(hw, &link_speed, &link_up, false); |
| 1666 | if (link_up) |
| 1667 | ctrl = IXGBE_CTRL_RST; |
| 1668 | } |
| 1669 | |
| 1670 | ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL); |
| 1671 | IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl); |
| 1672 | IXGBE_WRITE_FLUSH(hw); |
| 1673 | |
| 1674 | /* Poll for reset bit to self-clear meaning reset is complete */ |
| 1675 | for (i = 0; i < 10; i++) { |
| 1676 | udelay(1); |
| 1677 | ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); |
| 1678 | if (!(ctrl & IXGBE_CTRL_RST_MASK)) |
| 1679 | break; |
| 1680 | } |
| 1681 | |
| 1682 | if (ctrl & IXGBE_CTRL_RST_MASK) { |
| 1683 | status = IXGBE_ERR_RESET_FAILED; |
| 1684 | hw_dbg(hw, "Reset polling failed to complete.\n"); |
| 1685 | } |
| 1686 | |
| 1687 | msleep(50); |
| 1688 | |
| 1689 | /* Double resets are required for recovery from certain error |
| 1690 | * clear the multicast table. Also reset num_rar_entries to 128, |
| 1691 | * since we modify this value when programming the SAN MAC address. |
| 1692 | */ |
| 1693 | if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) { |
| 1694 | hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED; |
| 1695 | goto mac_reset_top; |
| 1696 | } |
| 1697 | |
| 1698 | /* Store the permanent mac address */ |
| 1699 | hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); |
| 1700 | |
| 1701 | /* Store MAC address from RAR0, clear receive address registers, and |
| 1702 | * clear the multicast table. Also reset num_rar_entries to 128, |
| 1703 | * since we modify this value when programming the SAN MAC address. |
| 1704 | */ |
| 1705 | hw->mac.num_rar_entries = 128; |
| 1706 | hw->mac.ops.init_rx_addrs(hw); |
| 1707 | |
Don Skidmore | deda562 | 2015-06-09 17:39:46 -0700 | [diff] [blame] | 1708 | if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { |
| 1709 | hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0); |
| 1710 | hlreg0 &= ~IXGBE_HLREG0_MDCSPD; |
| 1711 | IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0); |
| 1712 | } |
| 1713 | |
Don Skidmore | ab5fe0c | 2015-06-09 16:18:56 -0700 | [diff] [blame] | 1714 | if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP) |
| 1715 | ixgbe_setup_mux_ctl(hw); |
| 1716 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1717 | return status; |
| 1718 | } |
| 1719 | |
Don Skidmore | 5b7f000 | 2015-01-28 07:03:38 +0000 | [diff] [blame] | 1720 | /** ixgbe_set_ethertype_anti_spoofing_X550 - Enable/Disable Ethertype |
| 1721 | * anti-spoofing |
| 1722 | * @hw: pointer to hardware structure |
| 1723 | * @enable: enable or disable switch for Ethertype anti-spoofing |
| 1724 | * @vf: Virtual Function pool - VF Pool to set for Ethertype anti-spoofing |
| 1725 | **/ |
Don Skidmore | bc035fc | 2015-03-13 14:03:25 -0700 | [diff] [blame] | 1726 | static void ixgbe_set_ethertype_anti_spoofing_X550(struct ixgbe_hw *hw, |
| 1727 | bool enable, int vf) |
Don Skidmore | 5b7f000 | 2015-01-28 07:03:38 +0000 | [diff] [blame] | 1728 | { |
| 1729 | int vf_target_reg = vf >> 3; |
| 1730 | int vf_target_shift = vf % 8 + IXGBE_SPOOF_ETHERTYPEAS_SHIFT; |
| 1731 | u32 pfvfspoof; |
| 1732 | |
| 1733 | pfvfspoof = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg)); |
| 1734 | if (enable) |
| 1735 | pfvfspoof |= (1 << vf_target_shift); |
| 1736 | else |
| 1737 | pfvfspoof &= ~(1 << vf_target_shift); |
| 1738 | |
| 1739 | IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), pfvfspoof); |
| 1740 | } |
| 1741 | |
Don Skidmore | 6d4c96a | 2015-04-09 22:03:23 -0700 | [diff] [blame] | 1742 | /** ixgbe_set_source_address_pruning_X550 - Enable/Disbale src address pruning |
| 1743 | * @hw: pointer to hardware structure |
| 1744 | * @enable: enable or disable source address pruning |
| 1745 | * @pool: Rx pool to set source address pruning for |
| 1746 | **/ |
| 1747 | static void ixgbe_set_source_address_pruning_X550(struct ixgbe_hw *hw, |
| 1748 | bool enable, |
| 1749 | unsigned int pool) |
| 1750 | { |
| 1751 | u64 pfflp; |
| 1752 | |
| 1753 | /* max rx pool is 63 */ |
| 1754 | if (pool > 63) |
| 1755 | return; |
| 1756 | |
| 1757 | pfflp = (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPL); |
| 1758 | pfflp |= (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPH) << 32; |
| 1759 | |
| 1760 | if (enable) |
| 1761 | pfflp |= (1ULL << pool); |
| 1762 | else |
| 1763 | pfflp &= ~(1ULL << pool); |
| 1764 | |
| 1765 | IXGBE_WRITE_REG(hw, IXGBE_PFFLPL, (u32)pfflp); |
| 1766 | IXGBE_WRITE_REG(hw, IXGBE_PFFLPH, (u32)(pfflp >> 32)); |
| 1767 | } |
| 1768 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1769 | #define X550_COMMON_MAC \ |
| 1770 | .init_hw = &ixgbe_init_hw_generic, \ |
| 1771 | .start_hw = &ixgbe_start_hw_X540, \ |
| 1772 | .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, \ |
| 1773 | .enable_rx_dma = &ixgbe_enable_rx_dma_generic, \ |
| 1774 | .get_mac_addr = &ixgbe_get_mac_addr_generic, \ |
| 1775 | .get_device_caps = &ixgbe_get_device_caps_generic, \ |
| 1776 | .stop_adapter = &ixgbe_stop_adapter_generic, \ |
| 1777 | .get_bus_info = &ixgbe_get_bus_info_generic, \ |
| 1778 | .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie, \ |
| 1779 | .read_analog_reg8 = NULL, \ |
| 1780 | .write_analog_reg8 = NULL, \ |
| 1781 | .set_rxpba = &ixgbe_set_rxpba_generic, \ |
| 1782 | .check_link = &ixgbe_check_mac_link_generic, \ |
| 1783 | .led_on = &ixgbe_led_on_generic, \ |
| 1784 | .led_off = &ixgbe_led_off_generic, \ |
| 1785 | .blink_led_start = &ixgbe_blink_led_start_X540, \ |
| 1786 | .blink_led_stop = &ixgbe_blink_led_stop_X540, \ |
| 1787 | .set_rar = &ixgbe_set_rar_generic, \ |
| 1788 | .clear_rar = &ixgbe_clear_rar_generic, \ |
| 1789 | .set_vmdq = &ixgbe_set_vmdq_generic, \ |
| 1790 | .set_vmdq_san_mac = &ixgbe_set_vmdq_san_mac_generic, \ |
| 1791 | .clear_vmdq = &ixgbe_clear_vmdq_generic, \ |
| 1792 | .init_rx_addrs = &ixgbe_init_rx_addrs_generic, \ |
| 1793 | .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, \ |
| 1794 | .enable_mc = &ixgbe_enable_mc_generic, \ |
| 1795 | .disable_mc = &ixgbe_disable_mc_generic, \ |
| 1796 | .clear_vfta = &ixgbe_clear_vfta_generic, \ |
| 1797 | .set_vfta = &ixgbe_set_vfta_generic, \ |
| 1798 | .fc_enable = &ixgbe_fc_enable_generic, \ |
| 1799 | .set_fw_drv_ver = &ixgbe_set_fw_drv_ver_generic, \ |
| 1800 | .init_uta_tables = &ixgbe_init_uta_tables_generic, \ |
| 1801 | .set_mac_anti_spoofing = &ixgbe_set_mac_anti_spoofing, \ |
| 1802 | .set_vlan_anti_spoofing = &ixgbe_set_vlan_anti_spoofing, \ |
Don Skidmore | 6d4c96a | 2015-04-09 22:03:23 -0700 | [diff] [blame] | 1803 | .set_source_address_pruning = \ |
| 1804 | &ixgbe_set_source_address_pruning_X550, \ |
Don Skidmore | 5b7f000 | 2015-01-28 07:03:38 +0000 | [diff] [blame] | 1805 | .set_ethertype_anti_spoofing = \ |
| 1806 | &ixgbe_set_ethertype_anti_spoofing_X550, \ |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1807 | .acquire_swfw_sync = &ixgbe_acquire_swfw_sync_X540, \ |
| 1808 | .release_swfw_sync = &ixgbe_release_swfw_sync_X540, \ |
| 1809 | .disable_rx_buff = &ixgbe_disable_rx_buff_generic, \ |
| 1810 | .enable_rx_buff = &ixgbe_enable_rx_buff_generic, \ |
| 1811 | .get_thermal_sensor_data = NULL, \ |
| 1812 | .init_thermal_sensor_thresh = NULL, \ |
| 1813 | .prot_autoc_read = &prot_autoc_read_generic, \ |
| 1814 | .prot_autoc_write = &prot_autoc_write_generic, \ |
Don Skidmore | 1f9ac57 | 2015-03-13 13:54:30 -0700 | [diff] [blame] | 1815 | .enable_rx = &ixgbe_enable_rx_generic, \ |
| 1816 | .disable_rx = &ixgbe_disable_rx_x550, \ |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1817 | |
| 1818 | static struct ixgbe_mac_operations mac_ops_X550 = { |
| 1819 | X550_COMMON_MAC |
| 1820 | .reset_hw = &ixgbe_reset_hw_X540, |
| 1821 | .get_media_type = &ixgbe_get_media_type_X540, |
| 1822 | .get_san_mac_addr = &ixgbe_get_san_mac_addr_generic, |
| 1823 | .get_wwn_prefix = &ixgbe_get_wwn_prefix_generic, |
| 1824 | .setup_link = &ixgbe_setup_mac_link_X540, |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1825 | .get_link_capabilities = &ixgbe_get_copper_link_capabilities_generic, |
| 1826 | .setup_sfp = NULL, |
| 1827 | }; |
| 1828 | |
| 1829 | static struct ixgbe_mac_operations mac_ops_X550EM_x = { |
| 1830 | X550_COMMON_MAC |
| 1831 | .reset_hw = &ixgbe_reset_hw_X550em, |
| 1832 | .get_media_type = &ixgbe_get_media_type_X550em, |
| 1833 | .get_san_mac_addr = NULL, |
| 1834 | .get_wwn_prefix = NULL, |
| 1835 | .setup_link = NULL, /* defined later */ |
| 1836 | .get_link_capabilities = &ixgbe_get_link_capabilities_X550em, |
| 1837 | .setup_sfp = ixgbe_setup_sfp_modules_X550em, |
| 1838 | |
| 1839 | }; |
| 1840 | |
| 1841 | #define X550_COMMON_EEP \ |
| 1842 | .read = &ixgbe_read_ee_hostif_X550, \ |
| 1843 | .read_buffer = &ixgbe_read_ee_hostif_buffer_X550, \ |
| 1844 | .write = &ixgbe_write_ee_hostif_X550, \ |
| 1845 | .write_buffer = &ixgbe_write_ee_hostif_buffer_X550, \ |
| 1846 | .validate_checksum = &ixgbe_validate_eeprom_checksum_X550, \ |
| 1847 | .update_checksum = &ixgbe_update_eeprom_checksum_X550, \ |
| 1848 | .calc_checksum = &ixgbe_calc_eeprom_checksum_X550, \ |
| 1849 | |
| 1850 | static struct ixgbe_eeprom_operations eeprom_ops_X550 = { |
| 1851 | X550_COMMON_EEP |
| 1852 | .init_params = &ixgbe_init_eeprom_params_X550, |
| 1853 | }; |
| 1854 | |
| 1855 | static struct ixgbe_eeprom_operations eeprom_ops_X550EM_x = { |
| 1856 | X550_COMMON_EEP |
| 1857 | .init_params = &ixgbe_init_eeprom_params_X540, |
| 1858 | }; |
| 1859 | |
| 1860 | #define X550_COMMON_PHY \ |
| 1861 | .identify_sfp = &ixgbe_identify_module_generic, \ |
| 1862 | .reset = NULL, \ |
| 1863 | .setup_link_speed = &ixgbe_setup_phy_link_speed_generic, \ |
| 1864 | .read_i2c_byte = &ixgbe_read_i2c_byte_generic, \ |
| 1865 | .write_i2c_byte = &ixgbe_write_i2c_byte_generic, \ |
| 1866 | .read_i2c_sff8472 = &ixgbe_read_i2c_sff8472_generic, \ |
| 1867 | .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic, \ |
| 1868 | .write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic, \ |
Don Skidmore | bef23de | 2015-06-09 17:36:53 -0700 | [diff] [blame] | 1869 | .read_reg = &ixgbe_read_phy_reg_generic, \ |
| 1870 | .write_reg = &ixgbe_write_phy_reg_generic, \ |
| 1871 | .setup_link = &ixgbe_setup_phy_link_generic, \ |
Don Skidmore | b5529ef | 2015-06-10 20:42:30 -0400 | [diff] [blame] | 1872 | .set_phy_power = NULL, \ |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1873 | .check_overtemp = &ixgbe_tn_check_overtemp, \ |
| 1874 | .get_firmware_version = &ixgbe_get_phy_firmware_version_generic, |
| 1875 | |
| 1876 | static struct ixgbe_phy_operations phy_ops_X550 = { |
| 1877 | X550_COMMON_PHY |
| 1878 | .init = NULL, |
| 1879 | .identify = &ixgbe_identify_phy_generic, |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1880 | .read_i2c_combined = &ixgbe_read_i2c_combined_generic, |
| 1881 | .write_i2c_combined = &ixgbe_write_i2c_combined_generic, |
| 1882 | }; |
| 1883 | |
| 1884 | static struct ixgbe_phy_operations phy_ops_X550EM_x = { |
| 1885 | X550_COMMON_PHY |
| 1886 | .init = &ixgbe_init_phy_ops_X550em, |
| 1887 | .identify = &ixgbe_identify_phy_x550em, |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1888 | }; |
| 1889 | |
Don Skidmore | 9a900ec | 2015-06-09 17:15:01 -0700 | [diff] [blame] | 1890 | static const u32 ixgbe_mvals_X550[IXGBE_MVALS_IDX_LIMIT] = { |
| 1891 | IXGBE_MVALS_INIT(X550) |
| 1892 | }; |
| 1893 | |
| 1894 | static const u32 ixgbe_mvals_X550EM_x[IXGBE_MVALS_IDX_LIMIT] = { |
| 1895 | IXGBE_MVALS_INIT(X550EM_x) |
| 1896 | }; |
| 1897 | |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1898 | struct ixgbe_info ixgbe_X550_info = { |
| 1899 | .mac = ixgbe_mac_X550, |
| 1900 | .get_invariants = &ixgbe_get_invariants_X540, |
| 1901 | .mac_ops = &mac_ops_X550, |
| 1902 | .eeprom_ops = &eeprom_ops_X550, |
| 1903 | .phy_ops = &phy_ops_X550, |
| 1904 | .mbx_ops = &mbx_ops_generic, |
Don Skidmore | 9a900ec | 2015-06-09 17:15:01 -0700 | [diff] [blame] | 1905 | .mvals = ixgbe_mvals_X550, |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1906 | }; |
| 1907 | |
| 1908 | struct ixgbe_info ixgbe_X550EM_x_info = { |
| 1909 | .mac = ixgbe_mac_X550EM_x, |
Don Skidmore | b5529ef | 2015-06-10 20:42:30 -0400 | [diff] [blame] | 1910 | .get_invariants = &ixgbe_get_invariants_X550_x, |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1911 | .mac_ops = &mac_ops_X550EM_x, |
| 1912 | .eeprom_ops = &eeprom_ops_X550EM_x, |
| 1913 | .phy_ops = &phy_ops_X550EM_x, |
| 1914 | .mbx_ops = &mbx_ops_generic, |
Don Skidmore | 9a900ec | 2015-06-09 17:15:01 -0700 | [diff] [blame] | 1915 | .mvals = ixgbe_mvals_X550EM_x, |
Don Skidmore | 6a14ee0 | 2014-12-05 03:59:50 +0000 | [diff] [blame] | 1916 | }; |