arch/mips/cavium-octeon/executive/cvmx-helper-board.c

   1 /***********************license start***************
   2  * Author: Cavium Networks
   3  *
   4  * Contact: support@caviumnetworks.com
   5  * This file is part of the OCTEON SDK
   6  *
   7  * Copyright (c) 2003-2008 Cavium Networks
   8  *
   9  * This file is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License, Version 2, as
  11  * published by the Free Software Foundation.
  12  *
  13  * This file is distributed in the hope that it will be useful, but
  14  * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
  15  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
  16  * NONINFRINGEMENT.  See the GNU General Public License for more
  17  * details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this file; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  22  * or visit http://www.gnu.org/licenses/.
  23  *
  24  * This file may also be available under a different license from Cavium.
  25  * Contact Cavium Networks for more information
  26  ***********************license end**************************************/
  27
  28 /*
  29  *
  30  * Helper functions to abstract board specific data about
  31  * network ports from the rest of the cvmx-helper files.
  32  */
  33
  34 #include <asm/octeon/octeon.h>
  35 #include <asm/octeon/cvmx-bootinfo.h>
  36
  37 #include <asm/octeon/cvmx-config.h>
  38
  39 #include <asm/octeon/cvmx-mdio.h>
  40
  41 #include <asm/octeon/cvmx-helper.h>
  42 #include <asm/octeon/cvmx-helper-util.h>
  43 #include <asm/octeon/cvmx-helper-board.h>
  44
  45 #include <asm/octeon/cvmx-gmxx-defs.h>
  46 #include <asm/octeon/cvmx-asxx-defs.h>
  47
  48 /**
  49  * cvmx_override_board_link_get(int ipd_port) is a function
  50  * pointer. It is meant to allow customization of the process of
  51  * talking to a PHY to determine link speed. It is called every
  52  * time a PHY must be polled for link status. Users should set
  53  * this pointer to a function before calling any cvmx-helper
  54  * operations.
  55  */
  56 cvmx_helper_link_info_t(*cvmx_override_board_link_get) (int ipd_port) =
  57     NULL;
  58
  59 /**
  60  * Return the MII PHY address associated with the given IPD
  61  * port. A result of -1 means there isn't a MII capable PHY
  62  * connected to this port. On chips supporting multiple MII
  63  * busses the bus number is encoded in bits <15:8>.
  64  *
  65  * This function must be modified for every new Octeon board.
  66  * Internally it uses switch statements based on the cvmx_sysinfo
  67  * data to determine board types and revisions. It replies on the
  68  * fact that every Octeon board receives a unique board type
  69  * enumeration from the bootloader.
  70  *
  71  * @ipd_port: Octeon IPD port to get the MII address for.
  72  *
  73  * Returns MII PHY address and bus number or -1.
  74  */
  75 int cvmx_helper_board_get_mii_address(int ipd_port)
  76 {
  77         switch (cvmx_sysinfo_get()->board_type) {
  78         case CVMX_BOARD_TYPE_SIM:
  79                 /* Simulator doesn't have MII */
  80                 return -1;
  81         case CVMX_BOARD_TYPE_EBT3000:
  82         case CVMX_BOARD_TYPE_EBT5800:
  83         case CVMX_BOARD_TYPE_THUNDER:
  84         case CVMX_BOARD_TYPE_NICPRO2:
  85                 /* Interface 0 is SPI4, interface 1 is RGMII */
  86                 if ((ipd_port >= 16) && (ipd_port < 20))
  87                         return ipd_port - 16;
  88                 else
  89                         return -1;
  90         case CVMX_BOARD_TYPE_KODAMA:
  91         case CVMX_BOARD_TYPE_EBH3100:
  92         case CVMX_BOARD_TYPE_HIKARI:
  93         case CVMX_BOARD_TYPE_CN3010_EVB_HS5:
  94         case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
  95         case CVMX_BOARD_TYPE_CN3020_EVB_HS5:
  96                 /*
  97                  * Port 0 is WAN connected to a PHY, Port 1 is GMII
  98                  * connected to a switch
  99                  */
 100                 if (ipd_port == 0)
 101                         return 4;
 102                 else if (ipd_port == 1)
 103                         return 9;
 104                 else
 105                         return -1;
 106         case CVMX_BOARD_TYPE_NAC38:
 107                 /* Board has 8 RGMII ports PHYs are 0-7 */
 108                 if ((ipd_port >= 0) && (ipd_port < 4))
 109                         return ipd_port;
 110                 else if ((ipd_port >= 16) && (ipd_port < 20))
 111                         return ipd_port - 16 + 4;
 112                 else
 113                         return -1;
 114         case CVMX_BOARD_TYPE_EBH3000:
 115                 /* Board has dual SPI4 and no PHYs */
 116                 return -1;
 117         case CVMX_BOARD_TYPE_EBH5200:
 118         case CVMX_BOARD_TYPE_EBH5201:
 119         case CVMX_BOARD_TYPE_EBT5200:
 120                 /* Board has 2 management ports */
 121                 if ((ipd_port >= CVMX_HELPER_BOARD_MGMT_IPD_PORT) &&
 122                     (ipd_port < (CVMX_HELPER_BOARD_MGMT_IPD_PORT + 2)))
 123                         return ipd_port - CVMX_HELPER_BOARD_MGMT_IPD_PORT;
 124                 /*
 125                  * Board has 4 SGMII ports. The PHYs start right after the MII
 126                  * ports MII0 = 0, MII1 = 1, SGMII = 2-5.
 127                  */
 128                 if ((ipd_port >= 0) && (ipd_port < 4))
 129                         return ipd_port + 2;
 130                 else
 131                         return -1;
 132         case CVMX_BOARD_TYPE_EBH5600:
 133         case CVMX_BOARD_TYPE_EBH5601:
 134         case CVMX_BOARD_TYPE_EBH5610:
 135                 /* Board has 1 management port */
 136                 if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT)
 137                         return 0;
 138                 /*
 139                  * Board has 8 SGMII ports. 4 connect out, two connect
 140                  * to a switch, and 2 loop to each other
 141                  */
 142                 if ((ipd_port >= 0) && (ipd_port < 4))
 143                         return ipd_port + 1;
 144                 else
 145                         return -1;
 146         case CVMX_BOARD_TYPE_CUST_NB5:
 147                 if (ipd_port == 2)
 148                         return 4;
 149                 else
 150                         return -1;
 151         case CVMX_BOARD_TYPE_NIC_XLE_4G:
 152                 /* Board has 4 SGMII ports. connected QLM3(interface 1) */
 153                 if ((ipd_port >= 16) && (ipd_port < 20))
 154                         return ipd_port - 16 + 1;
 155                 else
 156                         return -1;
 157         case CVMX_BOARD_TYPE_NIC_XLE_10G:
 158         case CVMX_BOARD_TYPE_NIC10E:
 159                 return -1;
 160         case CVMX_BOARD_TYPE_NIC4E:
 161                 if (ipd_port >= 0 && ipd_port <= 3)
 162                         return (ipd_port + 0x1f) & 0x1f;
 163                 else
 164                         return -1;
 165         case CVMX_BOARD_TYPE_NIC2E:
 166                 if (ipd_port >= 0 && ipd_port <= 1)
 167                         return ipd_port + 1;
 168                 else
 169                         return -1;
 170         case CVMX_BOARD_TYPE_BBGW_REF:
 171                 /*
 172                  * No PHYs are connected to Octeon, everything is
 173                  * through switch.
 174                  */
 175                 return -1;
 176
 177         case CVMX_BOARD_TYPE_CUST_WSX16:
 178                 if (ipd_port >= 0 && ipd_port <= 3)
 179                         return ipd_port;
 180                 else if (ipd_port >= 16 && ipd_port <= 19)
 181                         return ipd_port - 16 + 4;
 182                 else
 183                         return -1;
 184         case CVMX_BOARD_TYPE_UBNT_E100:
 185                 if (ipd_port >= 0 && ipd_port <= 2)
 186                         return 7 - ipd_port;
 187                 else
 188                         return -1;
 189         }
 190
 191         /* Some unknown board. Somebody forgot to update this function... */
 192         cvmx_dprintf
 193             ("cvmx_helper_board_get_mii_address: Unknown board type %d\n",
 194              cvmx_sysinfo_get()->board_type);
 195         return -1;
 196 }
 197
 198 /**
 199  * This function is the board specific method of determining an
 200  * ethernet ports link speed. Most Octeon boards have Marvell PHYs
 201  * and are handled by the fall through case. This function must be
 202  * updated for boards that don't have the normal Marvell PHYs.
 203  *
 204  * This function must be modified for every new Octeon board.
 205  * Internally it uses switch statements based on the cvmx_sysinfo
 206  * data to determine board types and revisions. It relies on the
 207  * fact that every Octeon board receives a unique board type
 208  * enumeration from the bootloader.
 209  *
 210  * @ipd_port: IPD input port associated with the port we want to get link
 211  *                 status for.
 212  *
 213  * Returns The ports link status. If the link isn't fully resolved, this must
 214  *         return zero.
 215  */
 216 cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port)
 217 {
 218         cvmx_helper_link_info_t result;
 219         int phy_addr;
 220         int is_broadcom_phy = 0;
 221
 222         /* Give the user a chance to override the processing of this function */
 223         if (cvmx_override_board_link_get)
 224                 return cvmx_override_board_link_get(ipd_port);
 225
 226         /* Unless we fix it later, all links are defaulted to down */
 227         result.u64 = 0;
 228
 229         /*
 230          * This switch statement should handle all ports that either don't use
 231          * Marvell PHYS, or don't support in-band status.
 232          */
 233         switch (cvmx_sysinfo_get()->board_type) {
 234         case CVMX_BOARD_TYPE_SIM:
 235                 /* The simulator gives you a simulated 1Gbps full duplex link */
 236                 result.s.link_up = 1;
 237                 result.s.full_duplex = 1;
 238                 result.s.speed = 1000;
 239                 return result;
 240         case CVMX_BOARD_TYPE_EBH3100:
 241         case CVMX_BOARD_TYPE_CN3010_EVB_HS5:
 242         case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
 243         case CVMX_BOARD_TYPE_CN3020_EVB_HS5:
 244                 /* Port 1 on these boards is always Gigabit */
 245                 if (ipd_port == 1) {
 246                         result.s.link_up = 1;
 247                         result.s.full_duplex = 1;
 248                         result.s.speed = 1000;
 249                         return result;
 250                 }
 251                 /* Fall through to the generic code below */
 252                 break;
 253         case CVMX_BOARD_TYPE_CUST_NB5:
 254                 /* Port 1 on these boards is always Gigabit */
 255                 if (ipd_port == 1) {
 256                         result.s.link_up = 1;
 257                         result.s.full_duplex = 1;
 258                         result.s.speed = 1000;
 259                         return result;
 260                 } else          /* The other port uses a broadcom PHY */
 261                         is_broadcom_phy = 1;
 262                 break;
 263         case CVMX_BOARD_TYPE_BBGW_REF:
 264                 /* Port 1 on these boards is always Gigabit */
 265                 if (ipd_port == 2) {
 266                         /* Port 2 is not hooked up */
 267                         result.u64 = 0;
 268                         return result;
 269                 } else {
 270                         /* Ports 0 and 1 connect to the switch */
 271                         result.s.link_up = 1;
 272                         result.s.full_duplex = 1;
 273                         result.s.speed = 1000;
 274                         return result;
 275                 }
 276                 break;
 277         }
 278
 279         phy_addr = cvmx_helper_board_get_mii_address(ipd_port);
 280         if (phy_addr != -1) {
 281                 if (is_broadcom_phy) {
 282                         /*
 283                          * Below we are going to read SMI/MDIO
 284                          * register 0x19 which works on Broadcom
 285                          * parts
 286                          */
 287                         int phy_status =
 288                             cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 289                                            0x19);
 290                         switch ((phy_status >> 8) & 0x7) {
 291                         case 0:
 292                                 result.u64 = 0;
 293                                 break;
 294                         case 1:
 295                                 result.s.link_up = 1;
 296                                 result.s.full_duplex = 0;
 297                                 result.s.speed = 10;
 298                                 break;
 299                         case 2:
 300                                 result.s.link_up = 1;
 301                                 result.s.full_duplex = 1;
 302                                 result.s.speed = 10;
 303                                 break;
 304                         case 3:
 305                                 result.s.link_up = 1;
 306                                 result.s.full_duplex = 0;
 307                                 result.s.speed = 100;
 308                                 break;
 309                         case 4:
 310                                 result.s.link_up = 1;
 311                                 result.s.full_duplex = 1;
 312                                 result.s.speed = 100;
 313                                 break;
 314                         case 5:
 315                                 result.s.link_up = 1;
 316                                 result.s.full_duplex = 1;
 317                                 result.s.speed = 100;
 318                                 break;
 319                         case 6:
 320                                 result.s.link_up = 1;
 321                                 result.s.full_duplex = 0;
 322                                 result.s.speed = 1000;
 323                                 break;
 324                         case 7:
 325                                 result.s.link_up = 1;
 326                                 result.s.full_duplex = 1;
 327                                 result.s.speed = 1000;
 328                                 break;
 329                         }
 330                 } else {
 331                         /*
 332                          * This code assumes we are using a Marvell
 333                          * Gigabit PHY. All the speed information can
 334                          * be read from register 17 in one
 335                          * go. Somebody using a different PHY will
 336                          * need to handle it above in the board
 337                          * specific area.
 338                          */
 339                         int phy_status =
 340                             cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, 17);
 341
 342                         /*
 343                          * If the resolve bit 11 isn't set, see if
 344                          * autoneg is turned off (bit 12, reg 0). The
 345                          * resolve bit doesn't get set properly when
 346                          * autoneg is off, so force it.
 347                          */
 348                         if ((phy_status & (1 << 11)) == 0) {
 349                                 int auto_status =
 350                                     cvmx_mdio_read(phy_addr >> 8,
 351                                                    phy_addr & 0xff, 0);
 352                                 if ((auto_status & (1 << 12)) == 0)
 353                                         phy_status |= 1 << 11;
 354                         }
 355
 356                         /*
 357                          * Only return a link if the PHY has finished
 358                          * auto negotiation and set the resolved bit
 359                          * (bit 11)
 360                          */
 361                         if (phy_status & (1 << 11)) {
 362                                 result.s.link_up = 1;
 363                                 result.s.full_duplex = ((phy_status >> 13) & 1);
 364                                 switch ((phy_status >> 14) & 3) {
 365                                 case 0: /* 10 Mbps */
 366                                         result.s.speed = 10;
 367                                         break;
 368                                 case 1: /* 100 Mbps */
 369                                         result.s.speed = 100;
 370                                         break;
 371                                 case 2: /* 1 Gbps */
 372                                         result.s.speed = 1000;
 373                                         break;
 374                                 case 3: /* Illegal */
 375                                         result.u64 = 0;
 376                                         break;
 377                                 }
 378                         }
 379                 }
 380         } else if (OCTEON_IS_MODEL(OCTEON_CN3XXX)
 381                    || OCTEON_IS_MODEL(OCTEON_CN58XX)
 382                    || OCTEON_IS_MODEL(OCTEON_CN50XX)) {
 383                 /*
 384                  * We don't have a PHY address, so attempt to use
 385                  * in-band status. It is really important that boards
 386                  * not supporting in-band status never get
 387                  * here. Reading broken in-band status tends to do bad
 388                  * things
 389                  */
 390                 union cvmx_gmxx_rxx_rx_inbnd inband_status;
 391                 int interface = cvmx_helper_get_interface_num(ipd_port);
 392                 int index = cvmx_helper_get_interface_index_num(ipd_port);
 393                 inband_status.u64 =
 394                     cvmx_read_csr(CVMX_GMXX_RXX_RX_INBND(index, interface));
 395
 396                 result.s.link_up = inband_status.s.status;
 397                 result.s.full_duplex = inband_status.s.duplex;
 398                 switch (inband_status.s.speed) {
 399                 case 0: /* 10 Mbps */
 400                         result.s.speed = 10;
 401                         break;
 402                 case 1: /* 100 Mbps */
 403                         result.s.speed = 100;
 404                         break;
 405                 case 2: /* 1 Gbps */
 406                         result.s.speed = 1000;
 407                         break;
 408                 case 3: /* Illegal */
 409                         result.u64 = 0;
 410                         break;
 411                 }
 412         } else {
 413                 /*
 414                  * We don't have a PHY address and we don't have
 415                  * in-band status. There is no way to determine the
 416                  * link speed. Return down assuming this port isn't
 417                  * wired
 418                  */
 419                 result.u64 = 0;
 420         }
 421
 422         /* If link is down, return all fields as zero. */
 423         if (!result.s.link_up)
 424                 result.u64 = 0;
 425
 426         return result;
 427 }
 428
 429 /**
 430  * This function as a board specific method of changing the PHY
 431  * speed, duplex, and auto-negotiation. This programs the PHY and
 432  * not Octeon. This can be used to force Octeon's links to
 433  * specific settings.
 434  *
 435  * @phy_addr:  The address of the PHY to program
 436  * @enable_autoneg:
 437  *                  Non zero if you want to enable auto-negotiation.
 438  * @link_info: Link speed to program. If the speed is zero and auto-negotiation
 439  *                  is enabled, all possible negotiation speeds are advertised.
 440  *
 441  * Returns Zero on success, negative on failure
 442  */
 443 int cvmx_helper_board_link_set_phy(int phy_addr,
 444                                    cvmx_helper_board_set_phy_link_flags_types_t
 445                                    link_flags,
 446                                    cvmx_helper_link_info_t link_info)
 447 {
 448
 449         /* Set the flow control settings based on link_flags */
 450         if ((link_flags & set_phy_link_flags_flow_control_mask) !=
 451             set_phy_link_flags_flow_control_dont_touch) {
 452                 cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver;
 453                 reg_autoneg_adver.u16 =
 454                     cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 455                                    CVMX_MDIO_PHY_REG_AUTONEG_ADVER);
 456                 reg_autoneg_adver.s.asymmetric_pause =
 457                     (link_flags & set_phy_link_flags_flow_control_mask) ==
 458                     set_phy_link_flags_flow_control_enable;
 459                 reg_autoneg_adver.s.pause =
 460                     (link_flags & set_phy_link_flags_flow_control_mask) ==
 461                     set_phy_link_flags_flow_control_enable;
 462                 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
 463                                 CVMX_MDIO_PHY_REG_AUTONEG_ADVER,
 464                                 reg_autoneg_adver.u16);
 465         }
 466
 467         /* If speed isn't set and autoneg is on advertise all supported modes */
 468         if ((link_flags & set_phy_link_flags_autoneg)
 469             && (link_info.s.speed == 0)) {
 470                 cvmx_mdio_phy_reg_control_t reg_control;
 471                 cvmx_mdio_phy_reg_status_t reg_status;
 472                 cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver;
 473                 cvmx_mdio_phy_reg_extended_status_t reg_extended_status;
 474                 cvmx_mdio_phy_reg_control_1000_t reg_control_1000;
 475
 476                 reg_status.u16 =
 477                     cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 478                                    CVMX_MDIO_PHY_REG_STATUS);
 479                 reg_autoneg_adver.u16 =
 480                     cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 481                                    CVMX_MDIO_PHY_REG_AUTONEG_ADVER);
 482                 reg_autoneg_adver.s.advert_100base_t4 =
 483                     reg_status.s.capable_100base_t4;
 484                 reg_autoneg_adver.s.advert_10base_tx_full =
 485                     reg_status.s.capable_10_full;
 486                 reg_autoneg_adver.s.advert_10base_tx_half =
 487                     reg_status.s.capable_10_half;
 488                 reg_autoneg_adver.s.advert_100base_tx_full =
 489                     reg_status.s.capable_100base_x_full;
 490                 reg_autoneg_adver.s.advert_100base_tx_half =
 491                     reg_status.s.capable_100base_x_half;
 492                 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
 493                                 CVMX_MDIO_PHY_REG_AUTONEG_ADVER,
 494                                 reg_autoneg_adver.u16);
 495                 if (reg_status.s.capable_extended_status) {
 496                         reg_extended_status.u16 =
 497                             cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 498                                            CVMX_MDIO_PHY_REG_EXTENDED_STATUS);
 499                         reg_control_1000.u16 =
 500                             cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 501                                            CVMX_MDIO_PHY_REG_CONTROL_1000);
 502                         reg_control_1000.s.advert_1000base_t_full =
 503                             reg_extended_status.s.capable_1000base_t_full;
 504                         reg_control_1000.s.advert_1000base_t_half =
 505                             reg_extended_status.s.capable_1000base_t_half;
 506                         cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
 507                                         CVMX_MDIO_PHY_REG_CONTROL_1000,
 508                                         reg_control_1000.u16);
 509                 }
 510                 reg_control.u16 =
 511                     cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 512                                    CVMX_MDIO_PHY_REG_CONTROL);
 513                 reg_control.s.autoneg_enable = 1;
 514                 reg_control.s.restart_autoneg = 1;
 515                 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
 516                                 CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16);
 517         } else if ((link_flags & set_phy_link_flags_autoneg)) {
 518                 cvmx_mdio_phy_reg_control_t reg_control;
 519                 cvmx_mdio_phy_reg_status_t reg_status;
 520                 cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver;
 521                 cvmx_mdio_phy_reg_control_1000_t reg_control_1000;
 522
 523                 reg_status.u16 =
 524                     cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 525                                    CVMX_MDIO_PHY_REG_STATUS);
 526                 reg_autoneg_adver.u16 =
 527                     cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 528                                    CVMX_MDIO_PHY_REG_AUTONEG_ADVER);
 529                 reg_autoneg_adver.s.advert_100base_t4 = 0;
 530                 reg_autoneg_adver.s.advert_10base_tx_full = 0;
 531                 reg_autoneg_adver.s.advert_10base_tx_half = 0;
 532                 reg_autoneg_adver.s.advert_100base_tx_full = 0;
 533                 reg_autoneg_adver.s.advert_100base_tx_half = 0;
 534                 if (reg_status.s.capable_extended_status) {
 535                         reg_control_1000.u16 =
 536                             cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 537                                            CVMX_MDIO_PHY_REG_CONTROL_1000);
 538                         reg_control_1000.s.advert_1000base_t_full = 0;
 539                         reg_control_1000.s.advert_1000base_t_half = 0;
 540                 }
 541                 switch (link_info.s.speed) {
 542                 case 10:
 543                         reg_autoneg_adver.s.advert_10base_tx_full =
 544                             link_info.s.full_duplex;
 545                         reg_autoneg_adver.s.advert_10base_tx_half =
 546                             !link_info.s.full_duplex;
 547                         break;
 548                 case 100:
 549                         reg_autoneg_adver.s.advert_100base_tx_full =
 550                             link_info.s.full_duplex;
 551                         reg_autoneg_adver.s.advert_100base_tx_half =
 552                             !link_info.s.full_duplex;
 553                         break;
 554                 case 1000:
 555                         reg_control_1000.s.advert_1000base_t_full =
 556                             link_info.s.full_duplex;
 557                         reg_control_1000.s.advert_1000base_t_half =
 558                             !link_info.s.full_duplex;
 559                         break;
 560                 }
 561                 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
 562                                 CVMX_MDIO_PHY_REG_AUTONEG_ADVER,
 563                                 reg_autoneg_adver.u16);
 564                 if (reg_status.s.capable_extended_status)
 565                         cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
 566                                         CVMX_MDIO_PHY_REG_CONTROL_1000,
 567                                         reg_control_1000.u16);
 568                 reg_control.u16 =
 569                     cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 570                                    CVMX_MDIO_PHY_REG_CONTROL);
 571                 reg_control.s.autoneg_enable = 1;
 572                 reg_control.s.restart_autoneg = 1;
 573                 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
 574                                 CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16);
 575         } else {
 576                 cvmx_mdio_phy_reg_control_t reg_control;
 577                 reg_control.u16 =
 578                     cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
 579                                    CVMX_MDIO_PHY_REG_CONTROL);
 580                 reg_control.s.autoneg_enable = 0;
 581                 reg_control.s.restart_autoneg = 1;
 582                 reg_control.s.duplex = link_info.s.full_duplex;
 583                 if (link_info.s.speed == 1000) {
 584                         reg_control.s.speed_msb = 1;
 585                         reg_control.s.speed_lsb = 0;
 586                 } else if (link_info.s.speed == 100) {
 587                         reg_control.s.speed_msb = 0;
 588                         reg_control.s.speed_lsb = 1;
 589                 } else if (link_info.s.speed == 10) {
 590                         reg_control.s.speed_msb = 0;
 591                         reg_control.s.speed_lsb = 0;
 592                 }
 593                 cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
 594                                 CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16);
 595         }
 596         return 0;
 597 }
 598
 599 /**
 600  * This function is called by cvmx_helper_interface_probe() after it
 601  * determines the number of ports Octeon can support on a specific
 602  * interface. This function is the per board location to override
 603  * this value. It is called with the number of ports Octeon might
 604  * support and should return the number of actual ports on the
 605  * board.
 606  *
 607  * This function must be modifed for every new Octeon board.
 608  * Internally it uses switch statements based on the cvmx_sysinfo
 609  * data to determine board types and revisions. It relys on the
 610  * fact that every Octeon board receives a unique board type
 611  * enumeration from the bootloader.
 612  *
 613  * @interface: Interface to probe
 614  * @supported_ports:
 615  *                  Number of ports Octeon supports.
 616  *
 617  * Returns Number of ports the actual board supports. Many times this will
 618  *         simple be "support_ports".
 619  */
 620 int __cvmx_helper_board_interface_probe(int interface, int supported_ports)
 621 {
 622         switch (cvmx_sysinfo_get()->board_type) {
 623         case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
 624                 if (interface == 0)
 625                         return 2;
 626                 break;
 627         case CVMX_BOARD_TYPE_BBGW_REF:
 628                 if (interface == 0)
 629                         return 2;
 630                 break;
 631         case CVMX_BOARD_TYPE_NIC_XLE_4G:
 632                 if (interface == 0)
 633                         return 0;
 634                 break;
 635                 /* The 2nd interface on the EBH5600 is connected to the Marvel switch,
 636                    which we don't support. Disable ports connected to it */
 637         case CVMX_BOARD_TYPE_EBH5600:
 638                 if (interface == 1)
 639                         return 0;
 640                 break;
 641         }
 642         return supported_ports;
 643 }
 644
 645 /**
 646  * Enable packet input/output from the hardware. This function is
 647  * called after by cvmx_helper_packet_hardware_enable() to
 648  * perform board specific initialization. For most boards
 649  * nothing is needed.
 650  *
 651  * @interface: Interface to enable
 652  *
 653  * Returns Zero on success, negative on failure
 654  */
 655 int __cvmx_helper_board_hardware_enable(int interface)
 656 {
 657         if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_CN3005_EVB_HS5) {
 658                 if (interface == 0) {
 659                         /* Different config for switch port */
 660                         cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(1, interface), 0);
 661                         cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(1, interface), 0);
 662                         /*
 663                          * Boards with gigabit WAN ports need a
 664                          * different setting that is compatible with
 665                          * 100 Mbit settings
 666                          */
 667                         cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(0, interface),
 668                                        0xc);
 669                         cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(0, interface),
 670                                        0xc);
 671                 }
 672         } else if (cvmx_sysinfo_get()->board_type ==
 673                    CVMX_BOARD_TYPE_CN3010_EVB_HS5) {
 674                 /*
 675                  * Broadcom PHYs require differnet ASX
 676                  * clocks. Unfortunately many boards don't define a
 677                  * new board Id and simply mangle the
 678                  * CN3010_EVB_HS5
 679                  */
 680                 if (interface == 0) {
 681                         /*
 682                          * Some boards use a hacked up bootloader that
 683                          * identifies them as CN3010_EVB_HS5
 684                          * evaluation boards.  This leads to all kinds
 685                          * of configuration problems.  Detect one
 686                          * case, and print warning, while trying to do
 687                          * the right thing.
 688                          */
 689                         int phy_addr = cvmx_helper_board_get_mii_address(0);
 690                         if (phy_addr != -1) {
 691                                 int phy_identifier =
 692                                     cvmx_mdio_read(phy_addr >> 8,
 693                                                    phy_addr & 0xff, 0x2);
 694                                 /* Is it a Broadcom PHY? */
 695                                 if (phy_identifier == 0x0143) {
 696                                         cvmx_dprintf("\n");
 697                                         cvmx_dprintf("ERROR:\n");
 698                                         cvmx_dprintf
 699                                             ("ERROR: Board type is CVMX_BOARD_TYPE_CN3010_EVB_HS5, but Broadcom PHY found.\n");
 700                                         cvmx_dprintf
 701                                             ("ERROR: The board type is mis-configured, and software malfunctions are likely.\n");
 702                                         cvmx_dprintf
 703                                             ("ERROR: All boards require a unique board type to identify them.\n");
 704                                         cvmx_dprintf("ERROR:\n");
 705                                         cvmx_dprintf("\n");
 706                                         cvmx_wait(1000000000);
 707                                         cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX
 708                                                        (0, interface), 5);
 709                                         cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX
 710                                                        (0, interface), 5);
 711                                 }
 712                         }
 713                 }
 714         } else if (cvmx_sysinfo_get()->board_type ==
 715                         CVMX_BOARD_TYPE_UBNT_E100) {
 716                 cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(0, interface), 0);
 717                 cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(0, interface), 0x10);
 718                 cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(1, interface), 0);
 719                 cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(1, interface), 0x10);
 720                 cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(2, interface), 0);
 721                 cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(2, interface), 0x10);
 722         }
 723         return 0;
 724 }