drivers/tsec.c

   1 /*
   2  * Freescale Three Speed Ethernet Controller driver
   3  *
   4  * This software may be used and distributed according to the
   5  * terms of the GNU Public License, Version 2, incorporated
   6  * herein by reference.
   7  *
   8  * Copyright 2004, 2007 Freescale Semiconductor, Inc.
   9  * (C) Copyright 2003, Motorola, Inc.
  10  * author Andy Fleming
  11  *
  12  */
  13
  14 #include <config.h>
  15 #include <common.h>
  16 #include <malloc.h>
  17 #include <net.h>
  18 #include <command.h>
  19
  20 #if defined(CONFIG_TSEC_ENET)
  21 #include "tsec.h"
  22 #include "miiphy.h"
  23
  24 DECLARE_GLOBAL_DATA_PTR;
  25
  26 #define TX_BUF_CNT              2
  27
  28 static uint rxIdx;              /* index of the current RX buffer */
  29 static uint txIdx;              /* index of the current TX buffer */
  30
  31 typedef volatile struct rtxbd {
  32         txbd8_t txbd[TX_BUF_CNT];
  33         rxbd8_t rxbd[PKTBUFSRX];
  34 } RTXBD;
  35
  36 struct tsec_info_struct {
  37         unsigned int phyaddr;
  38         u32 flags;
  39         unsigned int phyregidx;
  40 };
  41
  42 /* The tsec_info structure contains 3 values which the
  43  * driver uses to determine how to operate a given ethernet
  44  * device. The information needed is:
  45  *  phyaddr - The address of the PHY which is attached to
  46  *      the given device.
  47  *
  48  *  flags - This variable indicates whether the device
  49  *      supports gigabit speed ethernet, and whether it should be
  50  *      in reduced mode.
  51  *
  52  *  phyregidx - This variable specifies which ethernet device
  53  *      controls the MII Management registers which are connected
  54  *      to the PHY.  For now, only TSEC1 (index 0) has
  55  *      access to the PHYs, so all of the entries have "0".
  56  *
  57  * The values specified in the table are taken from the board's
  58  * config file in include/configs/.  When implementing a new
  59  * board with ethernet capability, it is necessary to define:
  60  *   TSECn_PHY_ADDR
  61  *   TSECn_PHYIDX
  62  *
  63  * for n = 1,2,3, etc.  And for FEC:
  64  *   FEC_PHY_ADDR
  65  *   FEC_PHYIDX
  66  */
  67 static struct tsec_info_struct tsec_info[] = {
  68 #if defined(CONFIG_TSEC1)
  69 #if defined(CONFIG_MPC8544DS) || defined(CONFIG_MPC8641HPCN)
  70         {TSEC1_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC1_PHYIDX},
  71 #else
  72         {TSEC1_PHY_ADDR, TSEC_GIGABIT, TSEC1_PHYIDX},
  73 #endif
  74         {0, 0, 0},
  75 #endif
  76 #if defined(CONFIG_TSEC2)
  77 #if defined(CONFIG_MPC8641HPCN)
  78         {TSEC2_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC2_PHYIDX},
  79 #else
  80         {TSEC2_PHY_ADDR, TSEC_GIGABIT, TSEC2_PHYIDX},
  81 #endif
  82         {0, 0, 0},
  83 #endif
  84 #ifdef CONFIG_MPC85XX_FEC
  85         {FEC_PHY_ADDR, 0, FEC_PHYIDX},
  86 #else
  87 #if defined(CONFIG_TSEC3)
  88         {TSEC3_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC3_PHYIDX},
  89 #else
  90         {0, 0, 0},
  91 #endif
  92 #if defined(CONFIG_TSEC4)
  93         {TSEC4_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC4_PHYIDX},
  94 #else
  95         {0, 0, 0},
  96 #endif
  97 #endif
  98 };
  99
 100 #define MAXCONTROLLERS  (4)
 101
 102 static int relocated = 0;
 103
 104 static struct tsec_private *privlist[MAXCONTROLLERS];
 105
 106 #ifdef __GNUC__
 107 static RTXBD rtx __attribute__ ((aligned(8)));
 108 #else
 109 #error "rtx must be 64-bit aligned"
 110 #endif
 111
 112 static int tsec_send(struct eth_device *dev,
 113                      volatile void *packet, int length);
 114 static int tsec_recv(struct eth_device *dev);
 115 static int tsec_init(struct eth_device *dev, bd_t * bd);
 116 static void tsec_halt(struct eth_device *dev);
 117 static void init_registers(volatile tsec_t * regs);
 118 static void startup_tsec(struct eth_device *dev);
 119 static int init_phy(struct eth_device *dev);
 120 void write_phy_reg(struct tsec_private *priv, uint regnum, uint value);
 121 uint read_phy_reg(struct tsec_private *priv, uint regnum);
 122 struct phy_info *get_phy_info(struct eth_device *dev);
 123 void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd);
 124 static void adjust_link(struct eth_device *dev);
 125 static void relocate_cmds(void);
 126 static int tsec_miiphy_write(char *devname, unsigned char addr,
 127                              unsigned char reg, unsigned short value);
 128 static int tsec_miiphy_read(char *devname, unsigned char addr,
 129                             unsigned char reg, unsigned short *value);
 130
 131 /* Initialize device structure. Returns success if PHY
 132  * initialization succeeded (i.e. if it recognizes the PHY)
 133  */
 134 int tsec_initialize(bd_t * bis, int index, char *devname)
 135 {
 136         struct eth_device *dev;
 137         int i;
 138         struct tsec_private *priv;
 139
 140         dev = (struct eth_device *)malloc(sizeof *dev);
 141
 142         if (NULL == dev)
 143                 return 0;
 144
 145         memset(dev, 0, sizeof *dev);
 146
 147         priv = (struct tsec_private *)malloc(sizeof(*priv));
 148
 149         if (NULL == priv)
 150                 return 0;
 151
 152         privlist[index] = priv;
 153         priv->regs = (volatile tsec_t *)(TSEC_BASE_ADDR + index * TSEC_SIZE);
 154         priv->phyregs = (volatile tsec_t *)(TSEC_BASE_ADDR +
 155                                             tsec_info[index].phyregidx *
 156                                             TSEC_SIZE);
 157
 158         priv->phyaddr = tsec_info[index].phyaddr;
 159         priv->flags = tsec_info[index].flags;
 160
 161         sprintf(dev->name, devname);
 162         dev->iobase = 0;
 163         dev->priv = priv;
 164         dev->init = tsec_init;
 165         dev->halt = tsec_halt;
 166         dev->send = tsec_send;
 167         dev->recv = tsec_recv;
 168
 169         /* Tell u-boot to get the addr from the env */
 170         for (i = 0; i < 6; i++)
 171                 dev->enetaddr[i] = 0;
 172
 173         eth_register(dev);
 174
 175         /* Reset the MAC */
 176         priv->regs->maccfg1 |= MACCFG1_SOFT_RESET;
 177         priv->regs->maccfg1 &= ~(MACCFG1_SOFT_RESET);
 178
 179 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
 180         && !defined(BITBANGMII)
 181         miiphy_register(dev->name, tsec_miiphy_read, tsec_miiphy_write);
 182 #endif
 183
 184         /* Try to initialize PHY here, and return */
 185         return init_phy(dev);
 186 }
 187
 188 /* Initializes data structures and registers for the controller,
 189  * and brings the interface up.  Returns the link status, meaning
 190  * that it returns success if the link is up, failure otherwise.
 191  * This allows u-boot to find the first active controller.
 192  */
 193 int tsec_init(struct eth_device *dev, bd_t * bd)
 194 {
 195         uint tempval;
 196         char tmpbuf[MAC_ADDR_LEN];
 197         int i;
 198         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 199         volatile tsec_t *regs = priv->regs;
 200
 201         /* Make sure the controller is stopped */
 202         tsec_halt(dev);
 203
 204         /* Init MACCFG2.  Defaults to GMII */
 205         regs->maccfg2 = MACCFG2_INIT_SETTINGS;
 206
 207         /* Init ECNTRL */
 208         regs->ecntrl = ECNTRL_INIT_SETTINGS;
 209
 210         /* Copy the station address into the address registers.
 211          * Backwards, because little endian MACS are dumb */
 212         for (i = 0; i < MAC_ADDR_LEN; i++) {
 213                 tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i];
 214         }
 215         regs->macstnaddr1 = *((uint *) (tmpbuf));
 216
 217         tempval = *((uint *) (tmpbuf + 4));
 218
 219         regs->macstnaddr2 = tempval;
 220
 221         /* reset the indices to zero */
 222         rxIdx = 0;
 223         txIdx = 0;
 224
 225         /* Clear out (for the most part) the other registers */
 226         init_registers(regs);
 227
 228         /* Ready the device for tx/rx */
 229         startup_tsec(dev);
 230
 231         /* If there's no link, fail */
 232         return priv->link;
 233
 234 }
 235
 236 /* Write value to the device's PHY through the registers
 237  * specified in priv, modifying the register specified in regnum.
 238  * It will wait for the write to be done (or for a timeout to
 239  * expire) before exiting
 240  */
 241 void write_phy_reg(struct tsec_private *priv, uint regnum, uint value)
 242 {
 243         volatile tsec_t *regbase = priv->phyregs;
 244         uint phyid = priv->phyaddr;
 245         int timeout = 1000000;
 246
 247         regbase->miimadd = (phyid << 8) | regnum;
 248         regbase->miimcon = value;
 249         asm("sync");
 250
 251         timeout = 1000000;
 252         while ((regbase->miimind & MIIMIND_BUSY) && timeout--) ;
 253 }
 254
 255 /* Reads register regnum on the device's PHY through the
 256  * registers specified in priv.  It lowers and raises the read
 257  * command, and waits for the data to become valid (miimind
 258  * notvalid bit cleared), and the bus to cease activity (miimind
 259  * busy bit cleared), and then returns the value
 260  */
 261 uint read_phy_reg(struct tsec_private *priv, uint regnum)
 262 {
 263         uint value;
 264         volatile tsec_t *regbase = priv->phyregs;
 265         uint phyid = priv->phyaddr;
 266
 267         /* Put the address of the phy, and the register
 268          * number into MIIMADD */
 269         regbase->miimadd = (phyid << 8) | regnum;
 270
 271         /* Clear the command register, and wait */
 272         regbase->miimcom = 0;
 273         asm("sync");
 274
 275         /* Initiate a read command, and wait */
 276         regbase->miimcom = MIIM_READ_COMMAND;
 277         asm("sync");
 278
 279         /* Wait for the the indication that the read is done */
 280         while ((regbase->miimind & (MIIMIND_NOTVALID | MIIMIND_BUSY))) ;
 281
 282         /* Grab the value read from the PHY */
 283         value = regbase->miimstat;
 284
 285         return value;
 286 }
 287
 288 /* Discover which PHY is attached to the device, and configure it
 289  * properly.  If the PHY is not recognized, then return 0
 290  * (failure).  Otherwise, return 1
 291  */
 292 static int init_phy(struct eth_device *dev)
 293 {
 294         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 295         struct phy_info *curphy;
 296         volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
 297
 298         /* Assign a Physical address to the TBI */
 299         regs->tbipa = TBIPA_VALUE;
 300         regs = (volatile tsec_t *)(TSEC_BASE_ADDR + TSEC_SIZE);
 301         regs->tbipa = TBIPA_VALUE;
 302         asm("sync");
 303
 304         /* Reset MII (due to new addresses) */
 305         priv->phyregs->miimcfg = MIIMCFG_RESET;
 306         asm("sync");
 307         priv->phyregs->miimcfg = MIIMCFG_INIT_VALUE;
 308         asm("sync");
 309         while (priv->phyregs->miimind & MIIMIND_BUSY) ;
 310
 311         if (0 == relocated)
 312                 relocate_cmds();
 313
 314         /* Get the cmd structure corresponding to the attached
 315          * PHY */
 316         curphy = get_phy_info(dev);
 317
 318         if (curphy == NULL) {
 319                 priv->phyinfo = NULL;
 320                 printf("%s: No PHY found\n", dev->name);
 321
 322                 return 0;
 323         }
 324
 325         priv->phyinfo = curphy;
 326
 327         phy_run_commands(priv, priv->phyinfo->config);
 328
 329         return 1;
 330 }
 331
 332 /*
 333  * Returns which value to write to the control register.
 334  * For 10/100, the value is slightly different
 335  */
 336 uint mii_cr_init(uint mii_reg, struct tsec_private * priv)
 337 {
 338         if (priv->flags & TSEC_GIGABIT)
 339                 return MIIM_CONTROL_INIT;
 340         else
 341                 return MIIM_CR_INIT;
 342 }
 343
 344 /* Parse the status register for link, and then do
 345  * auto-negotiation
 346  */
 347 uint mii_parse_sr(uint mii_reg, struct tsec_private * priv)
 348 {
 349         /*
 350          * Wait if PHY is capable of autonegotiation and autonegotiation
 351          * is not complete.
 352          */
 353         mii_reg = read_phy_reg(priv, MIIM_STATUS);
 354         if ((mii_reg & PHY_BMSR_AUTN_ABLE)
 355             && !(mii_reg & PHY_BMSR_AUTN_COMP)) {
 356                 int i = 0;
 357
 358                 puts("Waiting for PHY auto negotiation to complete");
 359                 while (!((mii_reg & PHY_BMSR_AUTN_COMP)
 360                          && (mii_reg & MIIM_STATUS_LINK))) {
 361                         /*
 362                          * Timeout reached ?
 363                          */
 364                         if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
 365                                 puts(" TIMEOUT !\n");
 366                                 priv->link = 0;
 367                                 return 0;
 368                         }
 369
 370                         if ((i++ % 1000) == 0) {
 371                                 putc('.');
 372                         }
 373                         udelay(1000);   /* 1 ms */
 374                         mii_reg = read_phy_reg(priv, MIIM_STATUS);
 375                 }
 376                 puts(" done\n");
 377                 priv->link = 1;
 378                 udelay(500000); /* another 500 ms (results in faster booting) */
 379         } else {
 380                 priv->link = 1;
 381         }
 382
 383         return 0;
 384 }
 385
 386 /* Generic function which updates the speed and duplex.  If
 387  * autonegotiation is enabled, it uses the AND of the link
 388  * partner's advertised capabilities and our advertised
 389  * capabilities.  If autonegotiation is disabled, we use the
 390  * appropriate bits in the control register.
 391  *
 392  * Stolen from Linux's mii.c and phy_device.c
 393  */
 394 uint mii_parse_link(uint mii_reg, struct tsec_private *priv)
 395 {
 396         /* We're using autonegotiation */
 397         if (mii_reg & PHY_BMSR_AUTN_ABLE) {
 398                 uint lpa = 0;
 399                 uint gblpa = 0;
 400
 401                 /* Check for gigabit capability */
 402                 if (mii_reg & PHY_BMSR_EXT) {
 403                         /* We want a list of states supported by
 404                          * both PHYs in the link
 405                          */
 406                         gblpa = read_phy_reg(priv, PHY_1000BTSR);
 407                         gblpa &= read_phy_reg(priv, PHY_1000BTCR) << 2;
 408                 }
 409
 410                 /* Set the baseline so we only have to set them
 411                  * if they're different
 412                  */
 413                 priv->speed = 10;
 414                 priv->duplexity = 0;
 415
 416                 /* Check the gigabit fields */
 417                 if (gblpa & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)) {
 418                         priv->speed = 1000;
 419
 420                         if (gblpa & PHY_1000BTSR_1000FD)
 421                                 priv->duplexity = 1;
 422
 423                         /* We're done! */
 424                         return 0;
 425                 }
 426
 427                 lpa = read_phy_reg(priv, PHY_ANAR);
 428                 lpa &= read_phy_reg(priv, PHY_ANLPAR);
 429
 430                 if (lpa & (PHY_ANLPAR_TXFD | PHY_ANLPAR_TX)) {
 431                         priv->speed = 100;
 432
 433                         if (lpa & PHY_ANLPAR_TXFD)
 434                                 priv->duplexity = 1;
 435
 436                 } else if (lpa & PHY_ANLPAR_10FD)
 437                         priv->duplexity = 1;
 438         } else {
 439                 uint bmcr = read_phy_reg(priv, PHY_BMCR);
 440
 441                 priv->speed = 10;
 442                 priv->duplexity = 0;
 443
 444                 if (bmcr & PHY_BMCR_DPLX)
 445                         priv->duplexity = 1;
 446
 447                 if (bmcr & PHY_BMCR_1000_MBPS)
 448                         priv->speed = 1000;
 449                 else if (bmcr & PHY_BMCR_100_MBPS)
 450                         priv->speed = 100;
 451         }
 452
 453         return 0;
 454 }
 455
 456 /*
 457  * Parse the BCM54xx status register for speed and duplex information.
 458  * The linux sungem_phy has this information, but in a table format.
 459  */
 460 uint mii_parse_BCM54xx_sr(uint mii_reg, struct tsec_private *priv)
 461 {
 462
 463         switch((mii_reg & MIIM_BCM54xx_AUXSTATUS_LINKMODE_MASK) >> MIIM_BCM54xx_AUXSTATUS_LINKMODE_SHIFT){
 464
 465                 case 1:
 466                         printf("Enet starting in 10BT/HD\n");
 467                         priv->duplexity = 0;
 468                         priv->speed = 10;
 469                         break;
 470
 471                 case 2:
 472                         printf("Enet starting in 10BT/FD\n");
 473                         priv->duplexity = 1;
 474                         priv->speed = 10;
 475                         break;
 476
 477                 case 3:
 478                         printf("Enet starting in 100BT/HD\n");
 479                         priv->duplexity = 0;
 480                         priv->speed = 100;
 481                         break;
 482
 483                 case 5:
 484                         printf("Enet starting in 100BT/FD\n");
 485                         priv->duplexity = 1;
 486                         priv->speed = 100;
 487                         break;
 488
 489                 case 6:
 490                         printf("Enet starting in 1000BT/HD\n");
 491                         priv->duplexity = 0;
 492                         priv->speed = 1000;
 493                         break;
 494
 495                 case 7:
 496                         printf("Enet starting in 1000BT/FD\n");
 497                         priv->duplexity = 1;
 498                         priv->speed = 1000;
 499                         break;
 500
 501                 default:
 502                         printf("Auto-neg error, defaulting to 10BT/HD\n");
 503                         priv->duplexity = 0;
 504                         priv->speed = 10;
 505                         break;
 506         }
 507
 508         return 0;
 509
 510 }
 511 /* Parse the 88E1011's status register for speed and duplex
 512  * information
 513  */
 514 uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private * priv)
 515 {
 516         uint speed;
 517
 518         mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
 519
 520         if (!((mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE) &&
 521               (mii_reg & MIIM_88E1011_PHYSTAT_LINK))) {
 522                 int i = 0;
 523
 524                 puts("Waiting for PHY realtime link");
 525                 while (!((mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE) &&
 526                          (mii_reg & MIIM_88E1011_PHYSTAT_LINK))) {
 527                         /*
 528                          * Timeout reached ?
 529                          */
 530                         if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
 531                                 puts(" TIMEOUT !\n");
 532                                 priv->link = 0;
 533                                 break;
 534                         }
 535
 536                         if ((i++ % 1000) == 0) {
 537                                 putc('.');
 538                         }
 539                         udelay(1000);   /* 1 ms */
 540                         mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
 541                 }
 542                 puts(" done\n");
 543                 udelay(500000); /* another 500 ms (results in faster booting) */
 544         }
 545
 546         if (mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX)
 547                 priv->duplexity = 1;
 548         else
 549                 priv->duplexity = 0;
 550
 551         speed = (mii_reg & MIIM_88E1011_PHYSTAT_SPEED);
 552
 553         switch (speed) {
 554         case MIIM_88E1011_PHYSTAT_GBIT:
 555                 priv->speed = 1000;
 556                 break;
 557         case MIIM_88E1011_PHYSTAT_100:
 558                 priv->speed = 100;
 559                 break;
 560         default:
 561                 priv->speed = 10;
 562         }
 563
 564         return 0;
 565 }
 566
 567 /* Parse the cis8201's status register for speed and duplex
 568  * information
 569  */
 570 uint mii_parse_cis8201(uint mii_reg, struct tsec_private * priv)
 571 {
 572         uint speed;
 573
 574         if (mii_reg & MIIM_CIS8201_AUXCONSTAT_DUPLEX)
 575                 priv->duplexity = 1;
 576         else
 577                 priv->duplexity = 0;
 578
 579         speed = mii_reg & MIIM_CIS8201_AUXCONSTAT_SPEED;
 580         switch (speed) {
 581         case MIIM_CIS8201_AUXCONSTAT_GBIT:
 582                 priv->speed = 1000;
 583                 break;
 584         case MIIM_CIS8201_AUXCONSTAT_100:
 585                 priv->speed = 100;
 586                 break;
 587         default:
 588                 priv->speed = 10;
 589                 break;
 590         }
 591
 592         return 0;
 593 }
 594
 595 /* Parse the vsc8244's status register for speed and duplex
 596  * information
 597  */
 598 uint mii_parse_vsc8244(uint mii_reg, struct tsec_private * priv)
 599 {
 600         uint speed;
 601
 602         if (mii_reg & MIIM_VSC8244_AUXCONSTAT_DUPLEX)
 603                 priv->duplexity = 1;
 604         else
 605                 priv->duplexity = 0;
 606
 607         speed = mii_reg & MIIM_VSC8244_AUXCONSTAT_SPEED;
 608         switch (speed) {
 609         case MIIM_VSC8244_AUXCONSTAT_GBIT:
 610                 priv->speed = 1000;
 611                 break;
 612         case MIIM_VSC8244_AUXCONSTAT_100:
 613                 priv->speed = 100;
 614                 break;
 615         default:
 616                 priv->speed = 10;
 617                 break;
 618         }
 619
 620         return 0;
 621 }
 622
 623 /* Parse the DM9161's status register for speed and duplex
 624  * information
 625  */
 626 uint mii_parse_dm9161_scsr(uint mii_reg, struct tsec_private * priv)
 627 {
 628         if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_100H))
 629                 priv->speed = 100;
 630         else
 631                 priv->speed = 10;
 632
 633         if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_10F))
 634                 priv->duplexity = 1;
 635         else
 636                 priv->duplexity = 0;
 637
 638         return 0;
 639 }
 640
 641 /*
 642  * Hack to write all 4 PHYs with the LED values
 643  */
 644 uint mii_cis8204_fixled(uint mii_reg, struct tsec_private * priv)
 645 {
 646         uint phyid;
 647         volatile tsec_t *regbase = priv->phyregs;
 648         int timeout = 1000000;
 649
 650         for (phyid = 0; phyid < 4; phyid++) {
 651                 regbase->miimadd = (phyid << 8) | mii_reg;
 652                 regbase->miimcon = MIIM_CIS8204_SLEDCON_INIT;
 653                 asm("sync");
 654
 655                 timeout = 1000000;
 656                 while ((regbase->miimind & MIIMIND_BUSY) && timeout--) ;
 657         }
 658
 659         return MIIM_CIS8204_SLEDCON_INIT;
 660 }
 661
 662 uint mii_cis8204_setmode(uint mii_reg, struct tsec_private * priv)
 663 {
 664         if (priv->flags & TSEC_REDUCED)
 665                 return MIIM_CIS8204_EPHYCON_INIT | MIIM_CIS8204_EPHYCON_RGMII;
 666         else
 667                 return MIIM_CIS8204_EPHYCON_INIT;
 668 }
 669
 670 /* Initialized required registers to appropriate values, zeroing
 671  * those we don't care about (unless zero is bad, in which case,
 672  * choose a more appropriate value)
 673  */
 674 static void init_registers(volatile tsec_t * regs)
 675 {
 676         /* Clear IEVENT */
 677         regs->ievent = IEVENT_INIT_CLEAR;
 678
 679         regs->imask = IMASK_INIT_CLEAR;
 680
 681         regs->hash.iaddr0 = 0;
 682         regs->hash.iaddr1 = 0;
 683         regs->hash.iaddr2 = 0;
 684         regs->hash.iaddr3 = 0;
 685         regs->hash.iaddr4 = 0;
 686         regs->hash.iaddr5 = 0;
 687         regs->hash.iaddr6 = 0;
 688         regs->hash.iaddr7 = 0;
 689
 690         regs->hash.gaddr0 = 0;
 691         regs->hash.gaddr1 = 0;
 692         regs->hash.gaddr2 = 0;
 693         regs->hash.gaddr3 = 0;
 694         regs->hash.gaddr4 = 0;
 695         regs->hash.gaddr5 = 0;
 696         regs->hash.gaddr6 = 0;
 697         regs->hash.gaddr7 = 0;
 698
 699         regs->rctrl = 0x00000000;
 700
 701         /* Init RMON mib registers */
 702         memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t));
 703
 704         regs->rmon.cam1 = 0xffffffff;
 705         regs->rmon.cam2 = 0xffffffff;
 706
 707         regs->mrblr = MRBLR_INIT_SETTINGS;
 708
 709         regs->minflr = MINFLR_INIT_SETTINGS;
 710
 711         regs->attr = ATTR_INIT_SETTINGS;
 712         regs->attreli = ATTRELI_INIT_SETTINGS;
 713
 714 }
 715
 716 /* Configure maccfg2 based on negotiated speed and duplex
 717  * reported by PHY handling code
 718  */
 719 static void adjust_link(struct eth_device *dev)
 720 {
 721         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 722         volatile tsec_t *regs = priv->regs;
 723
 724         if (priv->link) {
 725                 if (priv->duplexity != 0)
 726                         regs->maccfg2 |= MACCFG2_FULL_DUPLEX;
 727                 else
 728                         regs->maccfg2 &= ~(MACCFG2_FULL_DUPLEX);
 729
 730                 switch (priv->speed) {
 731                 case 1000:
 732                         regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF))
 733                                          | MACCFG2_GMII);
 734                         break;
 735                 case 100:
 736                 case 10:
 737                         regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF))
 738                                          | MACCFG2_MII);
 739
 740                         /* Set R100 bit in all modes although
 741                          * it is only used in RGMII mode
 742                          */
 743                         if (priv->speed == 100)
 744                                 regs->ecntrl |= ECNTRL_R100;
 745                         else
 746                                 regs->ecntrl &= ~(ECNTRL_R100);
 747                         break;
 748                 default:
 749                         printf("%s: Speed was bad\n", dev->name);
 750                         break;
 751                 }
 752
 753                 printf("Speed: %d, %s duplex\n", priv->speed,
 754                        (priv->duplexity) ? "full" : "half");
 755
 756         } else {
 757                 printf("%s: No link.\n", dev->name);
 758         }
 759 }
 760
 761 /* Set up the buffers and their descriptors, and bring up the
 762  * interface
 763  */
 764 static void startup_tsec(struct eth_device *dev)
 765 {
 766         int i;
 767         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 768         volatile tsec_t *regs = priv->regs;
 769
 770         /* Point to the buffer descriptors */
 771         regs->tbase = (unsigned int)(&rtx.txbd[txIdx]);
 772         regs->rbase = (unsigned int)(&rtx.rxbd[rxIdx]);
 773
 774         /* Initialize the Rx Buffer descriptors */
 775         for (i = 0; i < PKTBUFSRX; i++) {
 776                 rtx.rxbd[i].status = RXBD_EMPTY;
 777                 rtx.rxbd[i].length = 0;
 778                 rtx.rxbd[i].bufPtr = (uint) NetRxPackets[i];
 779         }
 780         rtx.rxbd[PKTBUFSRX - 1].status |= RXBD_WRAP;
 781
 782         /* Initialize the TX Buffer Descriptors */
 783         for (i = 0; i < TX_BUF_CNT; i++) {
 784                 rtx.txbd[i].status = 0;
 785                 rtx.txbd[i].length = 0;
 786                 rtx.txbd[i].bufPtr = 0;
 787         }
 788         rtx.txbd[TX_BUF_CNT - 1].status |= TXBD_WRAP;
 789
 790         /* Start up the PHY */
 791         if(priv->phyinfo)
 792                 phy_run_commands(priv, priv->phyinfo->startup);
 793
 794         adjust_link(dev);
 795
 796         /* Enable Transmit and Receive */
 797         regs->maccfg1 |= (MACCFG1_RX_EN | MACCFG1_TX_EN);
 798
 799         /* Tell the DMA it is clear to go */
 800         regs->dmactrl |= DMACTRL_INIT_SETTINGS;
 801         regs->tstat = TSTAT_CLEAR_THALT;
 802         regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
 803 }
 804
 805 /* This returns the status bits of the device.  The return value
 806  * is never checked, and this is what the 8260 driver did, so we
 807  * do the same.  Presumably, this would be zero if there were no
 808  * errors
 809  */
 810 static int tsec_send(struct eth_device *dev, volatile void *packet, int length)
 811 {
 812         int i;
 813         int result = 0;
 814         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 815         volatile tsec_t *regs = priv->regs;
 816
 817         /* Find an empty buffer descriptor */
 818         for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
 819                 if (i >= TOUT_LOOP) {
 820                         debug("%s: tsec: tx buffers full\n", dev->name);
 821                         return result;
 822                 }
 823         }
 824
 825         rtx.txbd[txIdx].bufPtr = (uint) packet;
 826         rtx.txbd[txIdx].length = length;
 827         rtx.txbd[txIdx].status |=
 828             (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT);
 829
 830         /* Tell the DMA to go */
 831         regs->tstat = TSTAT_CLEAR_THALT;
 832
 833         /* Wait for buffer to be transmitted */
 834         for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
 835                 if (i >= TOUT_LOOP) {
 836                         debug("%s: tsec: tx error\n", dev->name);
 837                         return result;
 838                 }
 839         }
 840
 841         txIdx = (txIdx + 1) % TX_BUF_CNT;
 842         result = rtx.txbd[txIdx].status & TXBD_STATS;
 843
 844         return result;
 845 }
 846
 847 static int tsec_recv(struct eth_device *dev)
 848 {
 849         int length;
 850         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 851         volatile tsec_t *regs = priv->regs;
 852
 853         while (!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) {
 854
 855                 length = rtx.rxbd[rxIdx].length;
 856
 857                 /* Send the packet up if there were no errors */
 858                 if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) {
 859                         NetReceive(NetRxPackets[rxIdx], length - 4);
 860                 } else {
 861                         printf("Got error %x\n",
 862                                (rtx.rxbd[rxIdx].status & RXBD_STATS));
 863                 }
 864
 865                 rtx.rxbd[rxIdx].length = 0;
 866
 867                 /* Set the wrap bit if this is the last element in the list */
 868                 rtx.rxbd[rxIdx].status =
 869                     RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0);
 870
 871                 rxIdx = (rxIdx + 1) % PKTBUFSRX;
 872         }
 873
 874         if (regs->ievent & IEVENT_BSY) {
 875                 regs->ievent = IEVENT_BSY;
 876                 regs->rstat = RSTAT_CLEAR_RHALT;
 877         }
 878
 879         return -1;
 880
 881 }
 882
 883 /* Stop the interface */
 884 static void tsec_halt(struct eth_device *dev)
 885 {
 886         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 887         volatile tsec_t *regs = priv->regs;
 888
 889         regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
 890         regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS);
 891
 892         while (!(regs->ievent & (IEVENT_GRSC | IEVENT_GTSC))) ;
 893
 894         regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);
 895
 896         /* Shut down the PHY, as needed */
 897         if(priv->phyinfo)
 898                 phy_run_commands(priv, priv->phyinfo->shutdown);
 899 }
 900
 901 /* The 5411 id is 0x206070, the 5421 is 0x2060e0 */
 902 struct phy_info phy_info_BCM5461S = {
 903         0x02060c1,      /* 5461 ID */
 904         "Broadcom BCM5461S",
 905         0, /* not clear to me what minor revisions we can shift away */
 906         (struct phy_cmd[]) { /* config */
 907                 /* Reset and configure the PHY */
 908                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
 909                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
 910                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
 911                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
 912                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
 913                 {miim_end,}
 914         },
 915         (struct phy_cmd[]) { /* startup */
 916                 /* Status is read once to clear old link state */
 917                 {MIIM_STATUS, miim_read, NULL},
 918                 /* Auto-negotiate */
 919                 {MIIM_STATUS, miim_read, &mii_parse_sr},
 920                 /* Read the status */
 921                 {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
 922                 {miim_end,}
 923         },
 924         (struct phy_cmd[]) { /* shutdown */
 925                 {miim_end,}
 926         },
 927 };
 928
 929 struct phy_info phy_info_BCM5464S = {
 930         0x02060b1,      /* 5464 ID */
 931         "Broadcom BCM5464S",
 932         0, /* not clear to me what minor revisions we can shift away */
 933         (struct phy_cmd[]) { /* config */
 934                 /* Reset and configure the PHY */
 935                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
 936                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
 937                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
 938                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
 939                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
 940                 {miim_end,}
 941         },
 942         (struct phy_cmd[]) { /* startup */
 943                 /* Status is read once to clear old link state */
 944                 {MIIM_STATUS, miim_read, NULL},
 945                 /* Auto-negotiate */
 946                 {MIIM_STATUS, miim_read, &mii_parse_sr},
 947                 /* Read the status */
 948                 {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
 949                 {miim_end,}
 950         },
 951         (struct phy_cmd[]) { /* shutdown */
 952                 {miim_end,}
 953         },
 954 };
 955
 956 struct phy_info phy_info_M88E1011S = {
 957         0x01410c6,
 958         "Marvell 88E1011S",
 959         4,
 960         (struct phy_cmd[]){     /* config */
 961                            /* Reset and configure the PHY */
 962                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
 963                            {0x1d, 0x1f, NULL},
 964                            {0x1e, 0x200c, NULL},
 965                            {0x1d, 0x5, NULL},
 966                            {0x1e, 0x0, NULL},
 967                            {0x1e, 0x100, NULL},
 968                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
 969                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
 970                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
 971                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
 972                            {miim_end,}
 973                            },
 974         (struct phy_cmd[]){     /* startup */
 975                            /* Status is read once to clear old link state */
 976                            {MIIM_STATUS, miim_read, NULL},
 977                            /* Auto-negotiate */
 978                            {MIIM_STATUS, miim_read, &mii_parse_sr},
 979                            /* Read the status */
 980                            {MIIM_88E1011_PHY_STATUS, miim_read,
 981                             &mii_parse_88E1011_psr},
 982                            {miim_end,}
 983                            },
 984         (struct phy_cmd[]){     /* shutdown */
 985                            {miim_end,}
 986                            },
 987 };
 988
 989 struct phy_info phy_info_M88E1111S = {
 990         0x01410cc,
 991         "Marvell 88E1111S",
 992         4,
 993         (struct phy_cmd[]){     /* config */
 994                            /* Reset and configure the PHY */
 995                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
 996                            {0x14, 0x0cd2, NULL}, /* Delay RGMII TX and RX */
 997                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
 998                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
 999                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1000                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1001                            {miim_end,}
1002                            },
1003         (struct phy_cmd[]){     /* startup */
1004                            /* Status is read once to clear old link state */
1005                            {MIIM_STATUS, miim_read, NULL},
1006                            /* Auto-negotiate */
1007                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1008                            /* Read the status */
1009                            {MIIM_88E1011_PHY_STATUS, miim_read,
1010                             &mii_parse_88E1011_psr},
1011                            {miim_end,}
1012                            },
1013         (struct phy_cmd[]){     /* shutdown */
1014                            {miim_end,}
1015                            },
1016 };
1017
1018 static unsigned int m88e1145_setmode(uint mii_reg, struct tsec_private *priv)
1019 {
1020         uint mii_data = read_phy_reg(priv, mii_reg);
1021
1022         /* Setting MIIM_88E1145_PHY_EXT_CR */
1023         if (priv->flags & TSEC_REDUCED)
1024                 return mii_data |
1025                     MIIM_M88E1145_RGMII_RX_DELAY | MIIM_M88E1145_RGMII_TX_DELAY;
1026         else
1027                 return mii_data;
1028 }
1029
1030 static struct phy_info phy_info_M88E1145 = {
1031         0x01410cd,
1032         "Marvell 88E1145",
1033         4,
1034         (struct phy_cmd[]){     /* config */
1035                            /* Reset the PHY */
1036                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1037
1038                            /* Errata E0, E1 */
1039                            {29, 0x001b, NULL},
1040                            {30, 0x418f, NULL},
1041                            {29, 0x0016, NULL},
1042                            {30, 0xa2da, NULL},
1043
1044                            /* Configure the PHY */
1045                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1046                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1047                            {MIIM_88E1011_PHY_SCR, MIIM_88E1011_PHY_MDI_X_AUTO,
1048                             NULL},
1049                            {MIIM_88E1145_PHY_EXT_CR, 0, &m88e1145_setmode},
1050                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1051                            {MIIM_CONTROL, MIIM_CONTROL_INIT, NULL},
1052                            {miim_end,}
1053                            },
1054         (struct phy_cmd[]){     /* startup */
1055                            /* Status is read once to clear old link state */
1056                            {MIIM_STATUS, miim_read, NULL},
1057                            /* Auto-negotiate */
1058                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1059                            {MIIM_88E1111_PHY_LED_CONTROL,
1060                             MIIM_88E1111_PHY_LED_DIRECT, NULL},
1061                            /* Read the Status */
1062                            {MIIM_88E1011_PHY_STATUS, miim_read,
1063                             &mii_parse_88E1011_psr},
1064                            {miim_end,}
1065                            },
1066         (struct phy_cmd[]){     /* shutdown */
1067                            {miim_end,}
1068                            },
1069 };
1070
1071 struct phy_info phy_info_cis8204 = {
1072         0x3f11,
1073         "Cicada Cis8204",
1074         6,
1075         (struct phy_cmd[]){     /* config */
1076                            /* Override PHY config settings */
1077                            {MIIM_CIS8201_AUX_CONSTAT,
1078                             MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
1079                            /* Configure some basic stuff */
1080                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1081                            {MIIM_CIS8204_SLED_CON, MIIM_CIS8204_SLEDCON_INIT,
1082                             &mii_cis8204_fixled},
1083                            {MIIM_CIS8204_EPHY_CON, MIIM_CIS8204_EPHYCON_INIT,
1084                             &mii_cis8204_setmode},
1085                            {miim_end,}
1086                            },
1087         (struct phy_cmd[]){     /* startup */
1088                            /* Read the Status (2x to make sure link is right) */
1089                            {MIIM_STATUS, miim_read, NULL},
1090                            /* Auto-negotiate */
1091                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1092                            /* Read the status */
1093                            {MIIM_CIS8201_AUX_CONSTAT, miim_read,
1094                             &mii_parse_cis8201},
1095                            {miim_end,}
1096                            },
1097         (struct phy_cmd[]){     /* shutdown */
1098                            {miim_end,}
1099                            },
1100 };
1101
1102 /* Cicada 8201 */
1103 struct phy_info phy_info_cis8201 = {
1104         0xfc41,
1105         "CIS8201",
1106         4,
1107         (struct phy_cmd[]){     /* config */
1108                            /* Override PHY config settings */
1109                            {MIIM_CIS8201_AUX_CONSTAT,
1110                             MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
1111                            /* Set up the interface mode */
1112                            {MIIM_CIS8201_EXT_CON1, MIIM_CIS8201_EXTCON1_INIT,
1113                             NULL},
1114                            /* Configure some basic stuff */
1115                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1116                            {miim_end,}
1117                            },
1118         (struct phy_cmd[]){     /* startup */
1119                            /* Read the Status (2x to make sure link is right) */
1120                            {MIIM_STATUS, miim_read, NULL},
1121                            /* Auto-negotiate */
1122                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1123                            /* Read the status */
1124                            {MIIM_CIS8201_AUX_CONSTAT, miim_read,
1125                             &mii_parse_cis8201},
1126                            {miim_end,}
1127                            },
1128         (struct phy_cmd[]){     /* shutdown */
1129                            {miim_end,}
1130                            },
1131 };
1132 struct phy_info phy_info_VSC8244 = {
1133         0x3f1b,
1134         "Vitesse VSC8244",
1135         6,
1136         (struct phy_cmd[]){     /* config */
1137                            /* Override PHY config settings */
1138                            /* Configure some basic stuff */
1139                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1140                            {miim_end,}
1141                            },
1142         (struct phy_cmd[]){     /* startup */
1143                            /* Read the Status (2x to make sure link is right) */
1144                            {MIIM_STATUS, miim_read, NULL},
1145                            /* Auto-negotiate */
1146                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1147                            /* Read the status */
1148                            {MIIM_VSC8244_AUX_CONSTAT, miim_read,
1149                             &mii_parse_vsc8244},
1150                            {miim_end,}
1151                            },
1152         (struct phy_cmd[]){     /* shutdown */
1153                            {miim_end,}
1154                            },
1155 };
1156
1157 struct phy_info phy_info_dm9161 = {
1158         0x0181b88,
1159         "Davicom DM9161E",
1160         4,
1161         (struct phy_cmd[]){     /* config */
1162                            {MIIM_CONTROL, MIIM_DM9161_CR_STOP, NULL},
1163                            /* Do not bypass the scrambler/descrambler */
1164                            {MIIM_DM9161_SCR, MIIM_DM9161_SCR_INIT, NULL},
1165                            /* Clear 10BTCSR to default */
1166                            {MIIM_DM9161_10BTCSR, MIIM_DM9161_10BTCSR_INIT,
1167                             NULL},
1168                            /* Configure some basic stuff */
1169                            {MIIM_CONTROL, MIIM_CR_INIT, NULL},
1170                            /* Restart Auto Negotiation */
1171                            {MIIM_CONTROL, MIIM_DM9161_CR_RSTAN, NULL},
1172                            {miim_end,}
1173                            },
1174         (struct phy_cmd[]){     /* startup */
1175                            /* Status is read once to clear old link state */
1176                            {MIIM_STATUS, miim_read, NULL},
1177                            /* Auto-negotiate */
1178                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1179                            /* Read the status */
1180                            {MIIM_DM9161_SCSR, miim_read,
1181                             &mii_parse_dm9161_scsr},
1182                            {miim_end,}
1183                            },
1184         (struct phy_cmd[]){     /* shutdown */
1185                            {miim_end,}
1186                            },
1187 };
1188 /* a generic flavor.  */
1189 struct phy_info phy_info_generic =  {
1190         0,
1191         "Unknown/Generic PHY",
1192         32,
1193         (struct phy_cmd[]) { /* config */
1194                 {PHY_BMCR, PHY_BMCR_RESET, NULL},
1195                 {PHY_BMCR, PHY_BMCR_AUTON|PHY_BMCR_RST_NEG, NULL},
1196                 {miim_end,}
1197         },
1198         (struct phy_cmd[]) { /* startup */
1199                 {PHY_BMSR, miim_read, NULL},
1200                 {PHY_BMSR, miim_read, &mii_parse_sr},
1201                 {PHY_BMSR, miim_read, &mii_parse_link},
1202                 {miim_end,}
1203         },
1204         (struct phy_cmd[]) { /* shutdown */
1205                 {miim_end,}
1206         }
1207 };
1208
1209
1210 uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv)
1211 {
1212         unsigned int speed;
1213         if (priv->link) {
1214                 speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK;
1215
1216                 switch (speed) {
1217                 case MIIM_LXT971_SR2_10HDX:
1218                         priv->speed = 10;
1219                         priv->duplexity = 0;
1220                         break;
1221                 case MIIM_LXT971_SR2_10FDX:
1222                         priv->speed = 10;
1223                         priv->duplexity = 1;
1224                         break;
1225                 case MIIM_LXT971_SR2_100HDX:
1226                         priv->speed = 100;
1227                         priv->duplexity = 0;
1228                 default:
1229                         priv->speed = 100;
1230                         priv->duplexity = 1;
1231                         break;
1232                 }
1233         } else {
1234                 priv->speed = 0;
1235                 priv->duplexity = 0;
1236         }
1237
1238         return 0;
1239 }
1240
1241 static struct phy_info phy_info_lxt971 = {
1242         0x0001378e,
1243         "LXT971",
1244         4,
1245         (struct phy_cmd[]){     /* config */
1246                            {MIIM_CR, MIIM_CR_INIT, mii_cr_init},        /* autonegotiate */
1247                            {miim_end,}
1248                            },
1249         (struct phy_cmd[]){     /* startup - enable interrupts */
1250                            /* { 0x12, 0x00f2, NULL }, */
1251                            {MIIM_STATUS, miim_read, NULL},
1252                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1253                            {MIIM_LXT971_SR2, miim_read, &mii_parse_lxt971_sr2},
1254                            {miim_end,}
1255                            },
1256         (struct phy_cmd[]){     /* shutdown - disable interrupts */
1257                            {miim_end,}
1258                            },
1259 };
1260
1261 /* Parse the DP83865's link and auto-neg status register for speed and duplex
1262  * information
1263  */
1264 uint mii_parse_dp83865_lanr(uint mii_reg, struct tsec_private *priv)
1265 {
1266         switch (mii_reg & MIIM_DP83865_SPD_MASK) {
1267
1268         case MIIM_DP83865_SPD_1000:
1269                 priv->speed = 1000;
1270                 break;
1271
1272         case MIIM_DP83865_SPD_100:
1273                 priv->speed = 100;
1274                 break;
1275
1276         default:
1277                 priv->speed = 10;
1278                 break;
1279
1280         }
1281
1282         if (mii_reg & MIIM_DP83865_DPX_FULL)
1283                 priv->duplexity = 1;
1284         else
1285                 priv->duplexity = 0;
1286
1287         return 0;
1288 }
1289
1290 struct phy_info phy_info_dp83865 = {
1291         0x20005c7,
1292         "NatSemi DP83865",
1293         4,
1294         (struct phy_cmd[]){     /* config */
1295                            {MIIM_CONTROL, MIIM_DP83865_CR_INIT, NULL},
1296                            {miim_end,}
1297                            },
1298         (struct phy_cmd[]){     /* startup */
1299                            /* Status is read once to clear old link state */
1300                            {MIIM_STATUS, miim_read, NULL},
1301                            /* Auto-negotiate */
1302                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1303                            /* Read the link and auto-neg status */
1304                            {MIIM_DP83865_LANR, miim_read,
1305                             &mii_parse_dp83865_lanr},
1306                            {miim_end,}
1307                            },
1308         (struct phy_cmd[]){     /* shutdown */
1309                            {miim_end,}
1310                            },
1311 };
1312
1313 struct phy_info *phy_info[] = {
1314         &phy_info_cis8204,
1315         &phy_info_cis8201,
1316         &phy_info_BCM5461S,
1317         &phy_info_BCM5464S,
1318         &phy_info_M88E1011S,
1319         &phy_info_M88E1111S,
1320         &phy_info_M88E1145,
1321         &phy_info_dm9161,
1322         &phy_info_lxt971,
1323         &phy_info_VSC8244,
1324         &phy_info_dp83865,
1325         &phy_info_generic,
1326         NULL
1327 };
1328
1329 /* Grab the identifier of the device's PHY, and search through
1330  * all of the known PHYs to see if one matches.  If so, return
1331  * it, if not, return NULL
1332  */
1333 struct phy_info *get_phy_info(struct eth_device *dev)
1334 {
1335         struct tsec_private *priv = (struct tsec_private *)dev->priv;
1336         uint phy_reg, phy_ID;
1337         int i;
1338         struct phy_info *theInfo = NULL;
1339
1340         /* Grab the bits from PHYIR1, and put them in the upper half */
1341         phy_reg = read_phy_reg(priv, MIIM_PHYIR1);
1342         phy_ID = (phy_reg & 0xffff) << 16;
1343
1344         /* Grab the bits from PHYIR2, and put them in the lower half */
1345         phy_reg = read_phy_reg(priv, MIIM_PHYIR2);
1346         phy_ID |= (phy_reg & 0xffff);
1347
1348         /* loop through all the known PHY types, and find one that */
1349         /* matches the ID we read from the PHY. */
1350         for (i = 0; phy_info[i]; i++) {
1351                 if (phy_info[i]->id == (phy_ID >> phy_info[i]->shift)) {
1352                         theInfo = phy_info[i];
1353                         break;
1354                 }
1355         }
1356
1357         if (theInfo == NULL) {
1358                 printf("%s: PHY id %x is not supported!\n", dev->name, phy_ID);
1359                 return NULL;
1360         } else {
1361                 debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID);
1362         }
1363
1364         return theInfo;
1365 }
1366
1367 /* Execute the given series of commands on the given device's
1368  * PHY, running functions as necessary
1369  */
1370 void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd)
1371 {
1372         int i;
1373         uint result;
1374         volatile tsec_t *phyregs = priv->phyregs;
1375
1376         phyregs->miimcfg = MIIMCFG_RESET;
1377
1378         phyregs->miimcfg = MIIMCFG_INIT_VALUE;
1379
1380         while (phyregs->miimind & MIIMIND_BUSY) ;
1381
1382         for (i = 0; cmd->mii_reg != miim_end; i++) {
1383                 if (cmd->mii_data == miim_read) {
1384                         result = read_phy_reg(priv, cmd->mii_reg);
1385
1386                         if (cmd->funct != NULL)
1387                                 (*(cmd->funct)) (result, priv);
1388
1389                 } else {
1390                         if (cmd->funct != NULL)
1391                                 result = (*(cmd->funct)) (cmd->mii_reg, priv);
1392                         else
1393                                 result = cmd->mii_data;
1394
1395                         write_phy_reg(priv, cmd->mii_reg, result);
1396
1397                 }
1398                 cmd++;
1399         }
1400 }
1401
1402 /* Relocate the function pointers in the phy cmd lists */
1403 static void relocate_cmds(void)
1404 {
1405         struct phy_cmd **cmdlistptr;
1406         struct phy_cmd *cmd;
1407         int i, j, k;
1408
1409         for (i = 0; phy_info[i]; i++) {
1410                 /* First thing's first: relocate the pointers to the
1411                  * PHY command structures (the structs were done) */
1412                 phy_info[i] = (struct phy_info *)((uint) phy_info[i]
1413                                                   + gd->reloc_off);
1414                 phy_info[i]->name += gd->reloc_off;
1415                 phy_info[i]->config =
1416                     (struct phy_cmd *)((uint) phy_info[i]->config
1417                                        + gd->reloc_off);
1418                 phy_info[i]->startup =
1419                     (struct phy_cmd *)((uint) phy_info[i]->startup
1420                                        + gd->reloc_off);
1421                 phy_info[i]->shutdown =
1422                     (struct phy_cmd *)((uint) phy_info[i]->shutdown
1423                                        + gd->reloc_off);
1424
1425                 cmdlistptr = &phy_info[i]->config;
1426                 j = 0;
1427                 for (; cmdlistptr <= &phy_info[i]->shutdown; cmdlistptr++) {
1428                         k = 0;
1429                         for (cmd = *cmdlistptr;
1430                              cmd->mii_reg != miim_end;
1431                              cmd++) {
1432                                 /* Only relocate non-NULL pointers */
1433                                 if (cmd->funct)
1434                                         cmd->funct += gd->reloc_off;
1435
1436                                 k++;
1437                         }
1438                         j++;
1439                 }
1440         }
1441
1442         relocated = 1;
1443 }
1444
1445 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
1446         && !defined(BITBANGMII)
1447
1448 struct tsec_private *get_priv_for_phy(unsigned char phyaddr)
1449 {
1450         int i;
1451
1452         for (i = 0; i < MAXCONTROLLERS; i++) {
1453                 if (privlist[i]->phyaddr == phyaddr)
1454                         return privlist[i];
1455         }
1456
1457         return NULL;
1458 }
1459
1460 /*
1461  * Read a MII PHY register.
1462  *
1463  * Returns:
1464  *  0 on success
1465  */
1466 static int tsec_miiphy_read(char *devname, unsigned char addr,
1467                             unsigned char reg, unsigned short *value)
1468 {
1469         unsigned short ret;
1470         struct tsec_private *priv = get_priv_for_phy(addr);
1471
1472         if (NULL == priv) {
1473                 printf("Can't read PHY at address %d\n", addr);
1474                 return -1;
1475         }
1476
1477         ret = (unsigned short)read_phy_reg(priv, reg);
1478         *value = ret;
1479
1480         return 0;
1481 }
1482
1483 /*
1484  * Write a MII PHY register.
1485  *
1486  * Returns:
1487  *  0 on success
1488  */
1489 static int tsec_miiphy_write(char *devname, unsigned char addr,
1490                              unsigned char reg, unsigned short value)
1491 {
1492         struct tsec_private *priv = get_priv_for_phy(addr);
1493
1494         if (NULL == priv) {
1495                 printf("Can't write PHY at address %d\n", addr);
1496                 return -1;
1497         }
1498
1499         write_phy_reg(priv, reg, value);
1500
1501         return 0;
1502 }
1503
1504 #endif
1505
1506 #endif /* CONFIG_TSEC_ENET */