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