drivers/net/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 #include <tsec.h>
  20
  21 #include "miiphy.h"
  22
  23 DECLARE_GLOBAL_DATA_PTR;
  24
  25 #define TX_BUF_CNT              2
  26
  27 static uint rxIdx;              /* index of the current RX buffer */
  28 static uint txIdx;              /* index of the current TX buffer */
  29
  30 typedef volatile struct rtxbd {
  31         txbd8_t txbd[TX_BUF_CNT];
  32         rxbd8_t rxbd[PKTBUFSRX];
  33 } RTXBD;
  34
  35 #define MAXCONTROLLERS  (8)
  36
  37 static int relocated = 0;
  38
  39 static struct tsec_private *privlist[MAXCONTROLLERS];
  40 static int num_tsecs = 0;
  41
  42 #ifdef __GNUC__
  43 static RTXBD rtx __attribute__ ((aligned(8)));
  44 #else
  45 #error "rtx must be 64-bit aligned"
  46 #endif
  47
  48 static int tsec_send(struct eth_device *dev,
  49                      volatile void *packet, int length);
  50 static int tsec_recv(struct eth_device *dev);
  51 static int tsec_init(struct eth_device *dev, bd_t * bd);
  52 static void tsec_halt(struct eth_device *dev);
  53 static void init_registers(volatile tsec_t * regs);
  54 static void startup_tsec(struct eth_device *dev);
  55 static int init_phy(struct eth_device *dev);
  56 void write_phy_reg(struct tsec_private *priv, uint regnum, uint value);
  57 uint read_phy_reg(struct tsec_private *priv, uint regnum);
  58 struct phy_info *get_phy_info(struct eth_device *dev);
  59 void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd);
  60 static void adjust_link(struct eth_device *dev);
  61 static void relocate_cmds(void);
  62 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
  63         && !defined(BITBANGMII)
  64 static int tsec_miiphy_write(char *devname, unsigned char addr,
  65                              unsigned char reg, unsigned short value);
  66 static int tsec_miiphy_read(char *devname, unsigned char addr,
  67                             unsigned char reg, unsigned short *value);
  68 #endif
  69 #ifdef CONFIG_MCAST_TFTP
  70 static int tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set);
  71 #endif
  72
  73 /* Default initializations for TSEC controllers. */
  74
  75 static struct tsec_info_struct tsec_info[] = {
  76 #ifdef CONFIG_TSEC1
  77         STD_TSEC_INFO(1),       /* TSEC1 */
  78 #endif
  79 #ifdef CONFIG_TSEC2
  80         STD_TSEC_INFO(2),       /* TSEC2 */
  81 #endif
  82 #ifdef CONFIG_MPC85XX_FEC
  83         {
  84                 .regs = (tsec_t *)(TSEC_BASE_ADDR + 0x2000),
  85                 .miiregs = (tsec_t *)(TSEC_BASE_ADDR),
  86                 .devname = CONFIG_MPC85XX_FEC_NAME,
  87                 .phyaddr = FEC_PHY_ADDR,
  88                 .flags = FEC_FLAGS
  89         },                      /* FEC */
  90 #endif
  91 #ifdef CONFIG_TSEC3
  92         STD_TSEC_INFO(3),       /* TSEC3 */
  93 #endif
  94 #ifdef CONFIG_TSEC4
  95         STD_TSEC_INFO(4),       /* TSEC4 */
  96 #endif
  97 };
  98
  99 int tsec_eth_init(bd_t *bis, struct tsec_info_struct *tsecs, int num)
 100 {
 101         int i;
 102
 103         for (i = 0; i < num; i++)
 104                 tsec_initialize(bis, &tsecs[i]);
 105
 106         return 0;
 107 }
 108
 109 int tsec_standard_init(bd_t *bis)
 110 {
 111         return tsec_eth_init(bis, tsec_info, ARRAY_SIZE(tsec_info));
 112 }
 113
 114 /* Initialize device structure. Returns success if PHY
 115  * initialization succeeded (i.e. if it recognizes the PHY)
 116  */
 117 int tsec_initialize(bd_t * bis, struct tsec_info_struct *tsec_info)
 118 {
 119         struct eth_device *dev;
 120         int i;
 121         struct tsec_private *priv;
 122
 123         dev = (struct eth_device *)malloc(sizeof *dev);
 124
 125         if (NULL == dev)
 126                 return 0;
 127
 128         memset(dev, 0, sizeof *dev);
 129
 130         priv = (struct tsec_private *)malloc(sizeof(*priv));
 131
 132         if (NULL == priv)
 133                 return 0;
 134
 135         privlist[num_tsecs++] = priv;
 136         priv->regs = tsec_info->regs;
 137         priv->phyregs = tsec_info->miiregs;
 138
 139         priv->phyaddr = tsec_info->phyaddr;
 140         priv->flags = tsec_info->flags;
 141
 142         sprintf(dev->name, tsec_info->devname);
 143         dev->iobase = 0;
 144         dev->priv = priv;
 145         dev->init = tsec_init;
 146         dev->halt = tsec_halt;
 147         dev->send = tsec_send;
 148         dev->recv = tsec_recv;
 149 #ifdef CONFIG_MCAST_TFTP
 150         dev->mcast = tsec_mcast_addr;
 151 #endif
 152
 153         /* Tell u-boot to get the addr from the env */
 154         for (i = 0; i < 6; i++)
 155                 dev->enetaddr[i] = 0;
 156
 157         eth_register(dev);
 158
 159         /* Reset the MAC */
 160         priv->regs->maccfg1 |= MACCFG1_SOFT_RESET;
 161         udelay(2);  /* Soft Reset must be asserted for 3 TX clocks */
 162         priv->regs->maccfg1 &= ~(MACCFG1_SOFT_RESET);
 163
 164 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
 165         && !defined(BITBANGMII)
 166         miiphy_register(dev->name, tsec_miiphy_read, tsec_miiphy_write);
 167 #endif
 168
 169         /* Try to initialize PHY here, and return */
 170         return init_phy(dev);
 171 }
 172
 173 /* Initializes data structures and registers for the controller,
 174  * and brings the interface up.  Returns the link status, meaning
 175  * that it returns success if the link is up, failure otherwise.
 176  * This allows u-boot to find the first active controller.
 177  */
 178 int tsec_init(struct eth_device *dev, bd_t * bd)
 179 {
 180         uint tempval;
 181         char tmpbuf[MAC_ADDR_LEN];
 182         int i;
 183         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 184         volatile tsec_t *regs = priv->regs;
 185
 186         /* Make sure the controller is stopped */
 187         tsec_halt(dev);
 188
 189         /* Init MACCFG2.  Defaults to GMII */
 190         regs->maccfg2 = MACCFG2_INIT_SETTINGS;
 191
 192         /* Init ECNTRL */
 193         regs->ecntrl = ECNTRL_INIT_SETTINGS;
 194
 195         /* Copy the station address into the address registers.
 196          * Backwards, because little endian MACS are dumb */
 197         for (i = 0; i < MAC_ADDR_LEN; i++) {
 198                 tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i];
 199         }
 200         tempval = (tmpbuf[0] << 24) | (tmpbuf[1] << 16) | (tmpbuf[2] << 8) |
 201                   tmpbuf[3];
 202
 203         regs->macstnaddr1 = tempval;
 204
 205         tempval = *((uint *) (tmpbuf + 4));
 206
 207         regs->macstnaddr2 = tempval;
 208
 209         /* reset the indices to zero */
 210         rxIdx = 0;
 211         txIdx = 0;
 212
 213         /* Clear out (for the most part) the other registers */
 214         init_registers(regs);
 215
 216         /* Ready the device for tx/rx */
 217         startup_tsec(dev);
 218
 219         /* If there's no link, fail */
 220         return (priv->link ? 0 : -1);
 221 }
 222
 223 /* Writes the given phy's reg with value, using the specified MDIO regs */
 224 static void tsec_local_mdio_write(volatile tsec_t *phyregs, uint addr,
 225                 uint reg, uint value)
 226 {
 227         int timeout = 1000000;
 228
 229         phyregs->miimadd = (addr << 8) | reg;
 230         phyregs->miimcon = value;
 231         asm("sync");
 232
 233         timeout = 1000000;
 234         while ((phyregs->miimind & MIIMIND_BUSY) && timeout--) ;
 235 }
 236
 237
 238 /* Provide the default behavior of writing the PHY of this ethernet device */
 239 #define write_phy_reg(priv, regnum, value) tsec_local_mdio_write(priv->phyregs,priv->phyaddr,regnum,value)
 240
 241 /* Reads register regnum on the device's PHY through the
 242  * specified registers.  It lowers and raises the read
 243  * command, and waits for the data to become valid (miimind
 244  * notvalid bit cleared), and the bus to cease activity (miimind
 245  * busy bit cleared), and then returns the value
 246  */
 247 uint tsec_local_mdio_read(volatile tsec_t *phyregs, uint phyid, uint regnum)
 248 {
 249         uint value;
 250
 251         /* Put the address of the phy, and the register
 252          * number into MIIMADD */
 253         phyregs->miimadd = (phyid << 8) | regnum;
 254
 255         /* Clear the command register, and wait */
 256         phyregs->miimcom = 0;
 257         asm("sync");
 258
 259         /* Initiate a read command, and wait */
 260         phyregs->miimcom = MIIM_READ_COMMAND;
 261         asm("sync");
 262
 263         /* Wait for the the indication that the read is done */
 264         while ((phyregs->miimind & (MIIMIND_NOTVALID | MIIMIND_BUSY))) ;
 265
 266         /* Grab the value read from the PHY */
 267         value = phyregs->miimstat;
 268
 269         return value;
 270 }
 271
 272 /* #define to provide old read_phy_reg functionality without duplicating code */
 273 #define read_phy_reg(priv,regnum) tsec_local_mdio_read(priv->phyregs,priv->phyaddr,regnum)
 274
 275 #define TBIANA_SETTINGS ( \
 276                 TBIANA_ASYMMETRIC_PAUSE \
 277                 | TBIANA_SYMMETRIC_PAUSE \
 278                 | TBIANA_FULL_DUPLEX \
 279                 )
 280
 281 #define TBICR_SETTINGS ( \
 282                 TBICR_PHY_RESET \
 283                 | TBICR_ANEG_ENABLE \
 284                 | TBICR_FULL_DUPLEX \
 285                 | TBICR_SPEED1_SET \
 286                 )
 287 /* Configure the TBI for SGMII operation */
 288 static void tsec_configure_serdes(struct tsec_private *priv)
 289 {
 290         /* Access TBI PHY registers at given TSEC register offset as opposed to the
 291          * register offset used for external PHY accesses */
 292         tsec_local_mdio_write(priv->regs, priv->regs->tbipa, TBI_ANA,
 293                         TBIANA_SETTINGS);
 294         tsec_local_mdio_write(priv->regs, priv->regs->tbipa, TBI_TBICON,
 295                         TBICON_CLK_SELECT);
 296         tsec_local_mdio_write(priv->regs, priv->regs->tbipa, TBI_CR,
 297                         TBICR_SETTINGS);
 298 }
 299
 300 /* Discover which PHY is attached to the device, and configure it
 301  * properly.  If the PHY is not recognized, then return 0
 302  * (failure).  Otherwise, return 1
 303  */
 304 static int init_phy(struct eth_device *dev)
 305 {
 306         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 307         struct phy_info *curphy;
 308         volatile tsec_t *phyregs = priv->phyregs;
 309         volatile tsec_t *regs = priv->regs;
 310
 311         /* Assign a Physical address to the TBI */
 312         regs->tbipa = CONFIG_SYS_TBIPA_VALUE;
 313         phyregs->tbipa = CONFIG_SYS_TBIPA_VALUE;
 314         asm("sync");
 315
 316         /* Reset MII (due to new addresses) */
 317         priv->phyregs->miimcfg = MIIMCFG_RESET;
 318         asm("sync");
 319         priv->phyregs->miimcfg = MIIMCFG_INIT_VALUE;
 320         asm("sync");
 321         while (priv->phyregs->miimind & MIIMIND_BUSY) ;
 322
 323         if (0 == relocated)
 324                 relocate_cmds();
 325
 326         /* Get the cmd structure corresponding to the attached
 327          * PHY */
 328         curphy = get_phy_info(dev);
 329
 330         if (curphy == NULL) {
 331                 priv->phyinfo = NULL;
 332                 printf("%s: No PHY found\n", dev->name);
 333
 334                 return 0;
 335         }
 336
 337         if (regs->ecntrl & ECNTRL_SGMII_MODE)
 338                 tsec_configure_serdes(priv);
 339
 340         priv->phyinfo = curphy;
 341
 342         phy_run_commands(priv, priv->phyinfo->config);
 343
 344         return 1;
 345 }
 346
 347 /*
 348  * Returns which value to write to the control register.
 349  * For 10/100, the value is slightly different
 350  */
 351 uint mii_cr_init(uint mii_reg, struct tsec_private * priv)
 352 {
 353         if (priv->flags & TSEC_GIGABIT)
 354                 return MIIM_CONTROL_INIT;
 355         else
 356                 return MIIM_CR_INIT;
 357 }
 358
 359 /* Parse the status register for link, and then do
 360  * auto-negotiation
 361  */
 362 uint mii_parse_sr(uint mii_reg, struct tsec_private * priv)
 363 {
 364         /*
 365          * Wait if the link is up, and autonegotiation is in progress
 366          * (ie - we're capable and it's not done)
 367          */
 368         mii_reg = read_phy_reg(priv, MIIM_STATUS);
 369         if ((mii_reg & MIIM_STATUS_LINK) && (mii_reg & PHY_BMSR_AUTN_ABLE)
 370             && !(mii_reg & PHY_BMSR_AUTN_COMP)) {
 371                 int i = 0;
 372
 373                 puts("Waiting for PHY auto negotiation to complete");
 374                 while (!(mii_reg & PHY_BMSR_AUTN_COMP)) {
 375                         /*
 376                          * Timeout reached ?
 377                          */
 378                         if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
 379                                 puts(" TIMEOUT !\n");
 380                                 priv->link = 0;
 381                                 return 0;
 382                         }
 383
 384                         if ((i++ % 1000) == 0) {
 385                                 putc('.');
 386                         }
 387                         udelay(1000);   /* 1 ms */
 388                         mii_reg = read_phy_reg(priv, MIIM_STATUS);
 389                 }
 390                 puts(" done\n");
 391                 priv->link = 1;
 392                 udelay(500000); /* another 500 ms (results in faster booting) */
 393         } else {
 394                 if (mii_reg & MIIM_STATUS_LINK)
 395                         priv->link = 1;
 396                 else
 397                         priv->link = 0;
 398         }
 399
 400         return 0;
 401 }
 402
 403 /* Generic function which updates the speed and duplex.  If
 404  * autonegotiation is enabled, it uses the AND of the link
 405  * partner's advertised capabilities and our advertised
 406  * capabilities.  If autonegotiation is disabled, we use the
 407  * appropriate bits in the control register.
 408  *
 409  * Stolen from Linux's mii.c and phy_device.c
 410  */
 411 uint mii_parse_link(uint mii_reg, struct tsec_private *priv)
 412 {
 413         /* We're using autonegotiation */
 414         if (mii_reg & PHY_BMSR_AUTN_ABLE) {
 415                 uint lpa = 0;
 416                 uint gblpa = 0;
 417
 418                 /* Check for gigabit capability */
 419                 if (mii_reg & PHY_BMSR_EXT) {
 420                         /* We want a list of states supported by
 421                          * both PHYs in the link
 422                          */
 423                         gblpa = read_phy_reg(priv, PHY_1000BTSR);
 424                         gblpa &= read_phy_reg(priv, PHY_1000BTCR) << 2;
 425                 }
 426
 427                 /* Set the baseline so we only have to set them
 428                  * if they're different
 429                  */
 430                 priv->speed = 10;
 431                 priv->duplexity = 0;
 432
 433                 /* Check the gigabit fields */
 434                 if (gblpa & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)) {
 435                         priv->speed = 1000;
 436
 437                         if (gblpa & PHY_1000BTSR_1000FD)
 438                                 priv->duplexity = 1;
 439
 440                         /* We're done! */
 441                         return 0;
 442                 }
 443
 444                 lpa = read_phy_reg(priv, PHY_ANAR);
 445                 lpa &= read_phy_reg(priv, PHY_ANLPAR);
 446
 447                 if (lpa & (PHY_ANLPAR_TXFD | PHY_ANLPAR_TX)) {
 448                         priv->speed = 100;
 449
 450                         if (lpa & PHY_ANLPAR_TXFD)
 451                                 priv->duplexity = 1;
 452
 453                 } else if (lpa & PHY_ANLPAR_10FD)
 454                         priv->duplexity = 1;
 455         } else {
 456                 uint bmcr = read_phy_reg(priv, PHY_BMCR);
 457
 458                 priv->speed = 10;
 459                 priv->duplexity = 0;
 460
 461                 if (bmcr & PHY_BMCR_DPLX)
 462                         priv->duplexity = 1;
 463
 464                 if (bmcr & PHY_BMCR_1000_MBPS)
 465                         priv->speed = 1000;
 466                 else if (bmcr & PHY_BMCR_100_MBPS)
 467                         priv->speed = 100;
 468         }
 469
 470         return 0;
 471 }
 472
 473 /*
 474  * "Ethernet@Wirespeed" needs to be enabled to achieve link in certain
 475  * circumstances.  eg a gigabit TSEC connected to a gigabit switch with
 476  * a 4-wire ethernet cable.  Both ends advertise gigabit, but can't
 477  * link.  "Ethernet@Wirespeed" reduces advertised speed until link
 478  * can be achieved.
 479  */
 480 uint mii_BCM54xx_wirespeed(uint mii_reg, struct tsec_private *priv)
 481 {
 482         return (read_phy_reg(priv, mii_reg) & 0x8FFF) | 0x8010;
 483 }
 484
 485 /*
 486  * Parse the BCM54xx status register for speed and duplex information.
 487  * The linux sungem_phy has this information, but in a table format.
 488  */
 489 uint mii_parse_BCM54xx_sr(uint mii_reg, struct tsec_private *priv)
 490 {
 491
 492         switch((mii_reg & MIIM_BCM54xx_AUXSTATUS_LINKMODE_MASK) >> MIIM_BCM54xx_AUXSTATUS_LINKMODE_SHIFT){
 493
 494                 case 1:
 495                         printf("Enet starting in 10BT/HD\n");
 496                         priv->duplexity = 0;
 497                         priv->speed = 10;
 498                         break;
 499
 500                 case 2:
 501                         printf("Enet starting in 10BT/FD\n");
 502                         priv->duplexity = 1;
 503                         priv->speed = 10;
 504                         break;
 505
 506                 case 3:
 507                         printf("Enet starting in 100BT/HD\n");
 508                         priv->duplexity = 0;
 509                         priv->speed = 100;
 510                         break;
 511
 512                 case 5:
 513                         printf("Enet starting in 100BT/FD\n");
 514                         priv->duplexity = 1;
 515                         priv->speed = 100;
 516                         break;
 517
 518                 case 6:
 519                         printf("Enet starting in 1000BT/HD\n");
 520                         priv->duplexity = 0;
 521                         priv->speed = 1000;
 522                         break;
 523
 524                 case 7:
 525                         printf("Enet starting in 1000BT/FD\n");
 526                         priv->duplexity = 1;
 527                         priv->speed = 1000;
 528                         break;
 529
 530                 default:
 531                         printf("Auto-neg error, defaulting to 10BT/HD\n");
 532                         priv->duplexity = 0;
 533                         priv->speed = 10;
 534                         break;
 535         }
 536
 537         return 0;
 538
 539 }
 540 /* Parse the 88E1011's status register for speed and duplex
 541  * information
 542  */
 543 uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private * priv)
 544 {
 545         uint speed;
 546
 547         mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
 548
 549         if ((mii_reg & MIIM_88E1011_PHYSTAT_LINK) &&
 550                 !(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
 551                 int i = 0;
 552
 553                 puts("Waiting for PHY realtime link");
 554                 while (!(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
 555                         /* Timeout reached ? */
 556                         if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
 557                                 puts(" TIMEOUT !\n");
 558                                 priv->link = 0;
 559                                 break;
 560                         }
 561
 562                         if ((i++ % 1000) == 0) {
 563                                 putc('.');
 564                         }
 565                         udelay(1000);   /* 1 ms */
 566                         mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
 567                 }
 568                 puts(" done\n");
 569                 udelay(500000); /* another 500 ms (results in faster booting) */
 570         } else {
 571                 if (mii_reg & MIIM_88E1011_PHYSTAT_LINK)
 572                         priv->link = 1;
 573                 else
 574                         priv->link = 0;
 575         }
 576
 577         if (mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX)
 578                 priv->duplexity = 1;
 579         else
 580                 priv->duplexity = 0;
 581
 582         speed = (mii_reg & MIIM_88E1011_PHYSTAT_SPEED);
 583
 584         switch (speed) {
 585         case MIIM_88E1011_PHYSTAT_GBIT:
 586                 priv->speed = 1000;
 587                 break;
 588         case MIIM_88E1011_PHYSTAT_100:
 589                 priv->speed = 100;
 590                 break;
 591         default:
 592                 priv->speed = 10;
 593         }
 594
 595         return 0;
 596 }
 597
 598 /* Parse the RTL8211B's status register for speed and duplex
 599  * information
 600  */
 601 uint mii_parse_RTL8211B_sr(uint mii_reg, struct tsec_private * priv)
 602 {
 603         uint speed;
 604
 605         mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS);
 606         if (!(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) {
 607                 int i = 0;
 608
 609                 /* in case of timeout ->link is cleared */
 610                 priv->link = 1;
 611                 puts("Waiting for PHY realtime link");
 612                 while (!(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) {
 613                         /* Timeout reached ? */
 614                         if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
 615                                 puts(" TIMEOUT !\n");
 616                                 priv->link = 0;
 617                                 break;
 618                         }
 619
 620                         if ((i++ % 1000) == 0) {
 621                                 putc('.');
 622                         }
 623                         udelay(1000);   /* 1 ms */
 624                         mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS);
 625                 }
 626                 puts(" done\n");
 627                 udelay(500000); /* another 500 ms (results in faster booting) */
 628         } else {
 629                 if (mii_reg & MIIM_RTL8211B_PHYSTAT_LINK)
 630                         priv->link = 1;
 631                 else
 632                         priv->link = 0;
 633         }
 634
 635         if (mii_reg & MIIM_RTL8211B_PHYSTAT_DUPLEX)
 636                 priv->duplexity = 1;
 637         else
 638                 priv->duplexity = 0;
 639
 640         speed = (mii_reg & MIIM_RTL8211B_PHYSTAT_SPEED);
 641
 642         switch (speed) {
 643         case MIIM_RTL8211B_PHYSTAT_GBIT:
 644                 priv->speed = 1000;
 645                 break;
 646         case MIIM_RTL8211B_PHYSTAT_100:
 647                 priv->speed = 100;
 648                 break;
 649         default:
 650                 priv->speed = 10;
 651         }
 652
 653         return 0;
 654 }
 655
 656 /* Parse the cis8201's status register for speed and duplex
 657  * information
 658  */
 659 uint mii_parse_cis8201(uint mii_reg, struct tsec_private * priv)
 660 {
 661         uint speed;
 662
 663         if (mii_reg & MIIM_CIS8201_AUXCONSTAT_DUPLEX)
 664                 priv->duplexity = 1;
 665         else
 666                 priv->duplexity = 0;
 667
 668         speed = mii_reg & MIIM_CIS8201_AUXCONSTAT_SPEED;
 669         switch (speed) {
 670         case MIIM_CIS8201_AUXCONSTAT_GBIT:
 671                 priv->speed = 1000;
 672                 break;
 673         case MIIM_CIS8201_AUXCONSTAT_100:
 674                 priv->speed = 100;
 675                 break;
 676         default:
 677                 priv->speed = 10;
 678                 break;
 679         }
 680
 681         return 0;
 682 }
 683
 684 /* Parse the vsc8244's status register for speed and duplex
 685  * information
 686  */
 687 uint mii_parse_vsc8244(uint mii_reg, struct tsec_private * priv)
 688 {
 689         uint speed;
 690
 691         if (mii_reg & MIIM_VSC8244_AUXCONSTAT_DUPLEX)
 692                 priv->duplexity = 1;
 693         else
 694                 priv->duplexity = 0;
 695
 696         speed = mii_reg & MIIM_VSC8244_AUXCONSTAT_SPEED;
 697         switch (speed) {
 698         case MIIM_VSC8244_AUXCONSTAT_GBIT:
 699                 priv->speed = 1000;
 700                 break;
 701         case MIIM_VSC8244_AUXCONSTAT_100:
 702                 priv->speed = 100;
 703                 break;
 704         default:
 705                 priv->speed = 10;
 706                 break;
 707         }
 708
 709         return 0;
 710 }
 711
 712 /* Parse the DM9161's status register for speed and duplex
 713  * information
 714  */
 715 uint mii_parse_dm9161_scsr(uint mii_reg, struct tsec_private * priv)
 716 {
 717         if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_100H))
 718                 priv->speed = 100;
 719         else
 720                 priv->speed = 10;
 721
 722         if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_10F))
 723                 priv->duplexity = 1;
 724         else
 725                 priv->duplexity = 0;
 726
 727         return 0;
 728 }
 729
 730 /*
 731  * Hack to write all 4 PHYs with the LED values
 732  */
 733 uint mii_cis8204_fixled(uint mii_reg, struct tsec_private * priv)
 734 {
 735         uint phyid;
 736         volatile tsec_t *regbase = priv->phyregs;
 737         int timeout = 1000000;
 738
 739         for (phyid = 0; phyid < 4; phyid++) {
 740                 regbase->miimadd = (phyid << 8) | mii_reg;
 741                 regbase->miimcon = MIIM_CIS8204_SLEDCON_INIT;
 742                 asm("sync");
 743
 744                 timeout = 1000000;
 745                 while ((regbase->miimind & MIIMIND_BUSY) && timeout--) ;
 746         }
 747
 748         return MIIM_CIS8204_SLEDCON_INIT;
 749 }
 750
 751 uint mii_cis8204_setmode(uint mii_reg, struct tsec_private * priv)
 752 {
 753         if (priv->flags & TSEC_REDUCED)
 754                 return MIIM_CIS8204_EPHYCON_INIT | MIIM_CIS8204_EPHYCON_RGMII;
 755         else
 756                 return MIIM_CIS8204_EPHYCON_INIT;
 757 }
 758
 759 uint mii_m88e1111s_setmode(uint mii_reg, struct tsec_private *priv)
 760 {
 761         uint mii_data = read_phy_reg(priv, mii_reg);
 762
 763         if (priv->flags & TSEC_REDUCED)
 764                 mii_data = (mii_data & 0xfff0) | 0x000b;
 765         return mii_data;
 766 }
 767
 768 /* Initialized required registers to appropriate values, zeroing
 769  * those we don't care about (unless zero is bad, in which case,
 770  * choose a more appropriate value)
 771  */
 772 static void init_registers(volatile tsec_t * regs)
 773 {
 774         /* Clear IEVENT */
 775         regs->ievent = IEVENT_INIT_CLEAR;
 776
 777         regs->imask = IMASK_INIT_CLEAR;
 778
 779         regs->hash.iaddr0 = 0;
 780         regs->hash.iaddr1 = 0;
 781         regs->hash.iaddr2 = 0;
 782         regs->hash.iaddr3 = 0;
 783         regs->hash.iaddr4 = 0;
 784         regs->hash.iaddr5 = 0;
 785         regs->hash.iaddr6 = 0;
 786         regs->hash.iaddr7 = 0;
 787
 788         regs->hash.gaddr0 = 0;
 789         regs->hash.gaddr1 = 0;
 790         regs->hash.gaddr2 = 0;
 791         regs->hash.gaddr3 = 0;
 792         regs->hash.gaddr4 = 0;
 793         regs->hash.gaddr5 = 0;
 794         regs->hash.gaddr6 = 0;
 795         regs->hash.gaddr7 = 0;
 796
 797         regs->rctrl = 0x00000000;
 798
 799         /* Init RMON mib registers */
 800         memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t));
 801
 802         regs->rmon.cam1 = 0xffffffff;
 803         regs->rmon.cam2 = 0xffffffff;
 804
 805         regs->mrblr = MRBLR_INIT_SETTINGS;
 806
 807         regs->minflr = MINFLR_INIT_SETTINGS;
 808
 809         regs->attr = ATTR_INIT_SETTINGS;
 810         regs->attreli = ATTRELI_INIT_SETTINGS;
 811
 812 }
 813
 814 /* Configure maccfg2 based on negotiated speed and duplex
 815  * reported by PHY handling code
 816  */
 817 static void adjust_link(struct eth_device *dev)
 818 {
 819         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 820         volatile tsec_t *regs = priv->regs;
 821
 822         if (priv->link) {
 823                 if (priv->duplexity != 0)
 824                         regs->maccfg2 |= MACCFG2_FULL_DUPLEX;
 825                 else
 826                         regs->maccfg2 &= ~(MACCFG2_FULL_DUPLEX);
 827
 828                 switch (priv->speed) {
 829                 case 1000:
 830                         regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF))
 831                                          | MACCFG2_GMII);
 832                         break;
 833                 case 100:
 834                 case 10:
 835                         regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF))
 836                                          | MACCFG2_MII);
 837
 838                         /* Set R100 bit in all modes although
 839                          * it is only used in RGMII mode
 840                          */
 841                         if (priv->speed == 100)
 842                                 regs->ecntrl |= ECNTRL_R100;
 843                         else
 844                                 regs->ecntrl &= ~(ECNTRL_R100);
 845                         break;
 846                 default:
 847                         printf("%s: Speed was bad\n", dev->name);
 848                         break;
 849                 }
 850
 851                 printf("Speed: %d, %s duplex\n", priv->speed,
 852                        (priv->duplexity) ? "full" : "half");
 853
 854         } else {
 855                 printf("%s: No link.\n", dev->name);
 856         }
 857 }
 858
 859 /* Set up the buffers and their descriptors, and bring up the
 860  * interface
 861  */
 862 static void startup_tsec(struct eth_device *dev)
 863 {
 864         int i;
 865         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 866         volatile tsec_t *regs = priv->regs;
 867
 868         /* Point to the buffer descriptors */
 869         regs->tbase = (unsigned int)(&rtx.txbd[txIdx]);
 870         regs->rbase = (unsigned int)(&rtx.rxbd[rxIdx]);
 871
 872         /* Initialize the Rx Buffer descriptors */
 873         for (i = 0; i < PKTBUFSRX; i++) {
 874                 rtx.rxbd[i].status = RXBD_EMPTY;
 875                 rtx.rxbd[i].length = 0;
 876                 rtx.rxbd[i].bufPtr = (uint) NetRxPackets[i];
 877         }
 878         rtx.rxbd[PKTBUFSRX - 1].status |= RXBD_WRAP;
 879
 880         /* Initialize the TX Buffer Descriptors */
 881         for (i = 0; i < TX_BUF_CNT; i++) {
 882                 rtx.txbd[i].status = 0;
 883                 rtx.txbd[i].length = 0;
 884                 rtx.txbd[i].bufPtr = 0;
 885         }
 886         rtx.txbd[TX_BUF_CNT - 1].status |= TXBD_WRAP;
 887
 888         /* Start up the PHY */
 889         if(priv->phyinfo)
 890                 phy_run_commands(priv, priv->phyinfo->startup);
 891
 892         adjust_link(dev);
 893
 894         /* Enable Transmit and Receive */
 895         regs->maccfg1 |= (MACCFG1_RX_EN | MACCFG1_TX_EN);
 896
 897         /* Tell the DMA it is clear to go */
 898         regs->dmactrl |= DMACTRL_INIT_SETTINGS;
 899         regs->tstat = TSTAT_CLEAR_THALT;
 900         regs->rstat = RSTAT_CLEAR_RHALT;
 901         regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
 902 }
 903
 904 /* This returns the status bits of the device.  The return value
 905  * is never checked, and this is what the 8260 driver did, so we
 906  * do the same.  Presumably, this would be zero if there were no
 907  * errors
 908  */
 909 static int tsec_send(struct eth_device *dev, volatile void *packet, int length)
 910 {
 911         int i;
 912         int result = 0;
 913         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 914         volatile tsec_t *regs = priv->regs;
 915
 916         /* Find an empty buffer descriptor */
 917         for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
 918                 if (i >= TOUT_LOOP) {
 919                         debug("%s: tsec: tx buffers full\n", dev->name);
 920                         return result;
 921                 }
 922         }
 923
 924         rtx.txbd[txIdx].bufPtr = (uint) packet;
 925         rtx.txbd[txIdx].length = length;
 926         rtx.txbd[txIdx].status |=
 927             (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT);
 928
 929         /* Tell the DMA to go */
 930         regs->tstat = TSTAT_CLEAR_THALT;
 931
 932         /* Wait for buffer to be transmitted */
 933         for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
 934                 if (i >= TOUT_LOOP) {
 935                         debug("%s: tsec: tx error\n", dev->name);
 936                         return result;
 937                 }
 938         }
 939
 940         txIdx = (txIdx + 1) % TX_BUF_CNT;
 941         result = rtx.txbd[txIdx].status & TXBD_STATS;
 942
 943         return result;
 944 }
 945
 946 static int tsec_recv(struct eth_device *dev)
 947 {
 948         int length;
 949         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 950         volatile tsec_t *regs = priv->regs;
 951
 952         while (!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) {
 953
 954                 length = rtx.rxbd[rxIdx].length;
 955
 956                 /* Send the packet up if there were no errors */
 957                 if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) {
 958                         NetReceive(NetRxPackets[rxIdx], length - 4);
 959                 } else {
 960                         printf("Got error %x\n",
 961                                (rtx.rxbd[rxIdx].status & RXBD_STATS));
 962                 }
 963
 964                 rtx.rxbd[rxIdx].length = 0;
 965
 966                 /* Set the wrap bit if this is the last element in the list */
 967                 rtx.rxbd[rxIdx].status =
 968                     RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0);
 969
 970                 rxIdx = (rxIdx + 1) % PKTBUFSRX;
 971         }
 972
 973         if (regs->ievent & IEVENT_BSY) {
 974                 regs->ievent = IEVENT_BSY;
 975                 regs->rstat = RSTAT_CLEAR_RHALT;
 976         }
 977
 978         return -1;
 979
 980 }
 981
 982 /* Stop the interface */
 983 static void tsec_halt(struct eth_device *dev)
 984 {
 985         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 986         volatile tsec_t *regs = priv->regs;
 987
 988         regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
 989         regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS);
 990
 991         while (!(regs->ievent & (IEVENT_GRSC | IEVENT_GTSC))) ;
 992
 993         regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);
 994
 995         /* Shut down the PHY, as needed */
 996         if(priv->phyinfo)
 997                 phy_run_commands(priv, priv->phyinfo->shutdown);
 998 }
 999
1000 struct phy_info phy_info_M88E1149S = {
1001         0x1410ca,
1002         "Marvell 88E1149S",
1003         4,
1004         (struct phy_cmd[]){     /* config */
1005                 /* Reset and configure the PHY */
1006                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1007                 {0x1d, 0x1f, NULL},
1008                 {0x1e, 0x200c, NULL},
1009                 {0x1d, 0x5, NULL},
1010                 {0x1e, 0x0, NULL},
1011                 {0x1e, 0x100, NULL},
1012                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1013                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1014                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1015                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1016                 {miim_end,}
1017         },
1018         (struct phy_cmd[]){     /* startup */
1019                 /* Status is read once to clear old link state */
1020                 {MIIM_STATUS, miim_read, NULL},
1021                 /* Auto-negotiate */
1022                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1023                 /* Read the status */
1024                 {MIIM_88E1011_PHY_STATUS, miim_read,
1025                  &mii_parse_88E1011_psr},
1026                 {miim_end,}
1027         },
1028         (struct phy_cmd[]){     /* shutdown */
1029                 {miim_end,}
1030         },
1031 };
1032
1033 /* The 5411 id is 0x206070, the 5421 is 0x2060e0 */
1034 struct phy_info phy_info_BCM5461S = {
1035         0x02060c1,      /* 5461 ID */
1036         "Broadcom BCM5461S",
1037         0, /* not clear to me what minor revisions we can shift away */
1038         (struct phy_cmd[]) { /* config */
1039                 /* Reset and configure the PHY */
1040                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1041                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1042                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1043                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1044                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1045                 {miim_end,}
1046         },
1047         (struct phy_cmd[]) { /* startup */
1048                 /* Status is read once to clear old link state */
1049                 {MIIM_STATUS, miim_read, NULL},
1050                 /* Auto-negotiate */
1051                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1052                 /* Read the status */
1053                 {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
1054                 {miim_end,}
1055         },
1056         (struct phy_cmd[]) { /* shutdown */
1057                 {miim_end,}
1058         },
1059 };
1060
1061 struct phy_info phy_info_BCM5464S = {
1062         0x02060b1,      /* 5464 ID */
1063         "Broadcom BCM5464S",
1064         0, /* not clear to me what minor revisions we can shift away */
1065         (struct phy_cmd[]) { /* config */
1066                 /* Reset and configure the PHY */
1067                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1068                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1069                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1070                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1071                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1072                 {miim_end,}
1073         },
1074         (struct phy_cmd[]) { /* startup */
1075                 /* Status is read once to clear old link state */
1076                 {MIIM_STATUS, miim_read, NULL},
1077                 /* Auto-negotiate */
1078                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1079                 /* Read the status */
1080                 {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
1081                 {miim_end,}
1082         },
1083         (struct phy_cmd[]) { /* shutdown */
1084                 {miim_end,}
1085         },
1086 };
1087
1088 struct phy_info phy_info_BCM5482S =  {
1089         0x0143bcb,
1090         "Broadcom BCM5482S",
1091         4,
1092         (struct phy_cmd[]) { /* config */
1093                 /* Reset and configure the PHY */
1094                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1095                 /* Setup read from auxilary control shadow register 7 */
1096                 {MIIM_BCM54xx_AUXCNTL, MIIM_BCM54xx_AUXCNTL_ENCODE(7), NULL},
1097                 /* Read Misc Control register and or in Ethernet@Wirespeed */
1098                 {MIIM_BCM54xx_AUXCNTL, 0, &mii_BCM54xx_wirespeed},
1099                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1100                 {miim_end,}
1101         },
1102         (struct phy_cmd[]) { /* startup */
1103                 /* Status is read once to clear old link state */
1104                 {MIIM_STATUS, miim_read, NULL},
1105                 /* Auto-negotiate */
1106                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1107                 /* Read the status */
1108                 {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
1109                 {miim_end,}
1110         },
1111         (struct phy_cmd[]) { /* shutdown */
1112                 {miim_end,}
1113         },
1114 };
1115
1116 struct phy_info phy_info_M88E1011S = {
1117         0x01410c6,
1118         "Marvell 88E1011S",
1119         4,
1120         (struct phy_cmd[]){     /* config */
1121                            /* Reset and configure the PHY */
1122                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1123                            {0x1d, 0x1f, NULL},
1124                            {0x1e, 0x200c, NULL},
1125                            {0x1d, 0x5, NULL},
1126                            {0x1e, 0x0, NULL},
1127                            {0x1e, 0x100, NULL},
1128                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1129                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1130                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1131                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1132                            {miim_end,}
1133                            },
1134         (struct phy_cmd[]){     /* startup */
1135                            /* Status is read once to clear old link state */
1136                            {MIIM_STATUS, miim_read, NULL},
1137                            /* Auto-negotiate */
1138                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1139                            /* Read the status */
1140                            {MIIM_88E1011_PHY_STATUS, miim_read,
1141                             &mii_parse_88E1011_psr},
1142                            {miim_end,}
1143                            },
1144         (struct phy_cmd[]){     /* shutdown */
1145                            {miim_end,}
1146                            },
1147 };
1148
1149 struct phy_info phy_info_M88E1111S = {
1150         0x01410cc,
1151         "Marvell 88E1111S",
1152         4,
1153         (struct phy_cmd[]){     /* config */
1154                            /* Reset and configure the PHY */
1155                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1156                            {0x1b, 0x848f, &mii_m88e1111s_setmode},
1157                            {0x14, 0x0cd2, NULL}, /* Delay RGMII TX and RX */
1158                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1159                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1160                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1161                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1162                            {miim_end,}
1163                            },
1164         (struct phy_cmd[]){     /* startup */
1165                            /* Status is read once to clear old link state */
1166                            {MIIM_STATUS, miim_read, NULL},
1167                            /* Auto-negotiate */
1168                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1169                            /* Read the status */
1170                            {MIIM_88E1011_PHY_STATUS, miim_read,
1171                             &mii_parse_88E1011_psr},
1172                            {miim_end,}
1173                            },
1174         (struct phy_cmd[]){     /* shutdown */
1175                            {miim_end,}
1176                            },
1177 };
1178
1179 struct phy_info phy_info_M88E1118 = {
1180         0x01410e1,
1181         "Marvell 88E1118",
1182         4,
1183         (struct phy_cmd[]){     /* config */
1184                 /* Reset and configure the PHY */
1185                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1186                 {0x16, 0x0002, NULL}, /* Change Page Number */
1187                 {0x15, 0x1070, NULL}, /* Delay RGMII TX and RX */
1188                 {0x16, 0x0003, NULL}, /* Change Page Number */
1189                 {0x10, 0x021e, NULL}, /* Adjust LED control */
1190                 {0x16, 0x0000, NULL}, /* Change Page Number */
1191                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1192                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1193                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1194                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1195                 {miim_end,}
1196                 },
1197         (struct phy_cmd[]){     /* startup */
1198                 {0x16, 0x0000, NULL}, /* Change Page Number */
1199                 /* Status is read once to clear old link state */
1200                 {MIIM_STATUS, miim_read, NULL},
1201                 /* Auto-negotiate */
1202                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1203                 /* Read the status */
1204                 {MIIM_88E1011_PHY_STATUS, miim_read,
1205                  &mii_parse_88E1011_psr},
1206                 {miim_end,}
1207                 },
1208         (struct phy_cmd[]){     /* shutdown */
1209                 {miim_end,}
1210                 },
1211 };
1212
1213 /*
1214  *  Since to access LED register we need do switch the page, we
1215  * do LED configuring in the miim_read-like function as follows
1216  */
1217 uint mii_88E1121_set_led (uint mii_reg, struct tsec_private *priv)
1218 {
1219         uint pg;
1220
1221         /* Switch the page to access the led register */
1222         pg = read_phy_reg(priv, MIIM_88E1121_PHY_PAGE);
1223         write_phy_reg(priv, MIIM_88E1121_PHY_PAGE, MIIM_88E1121_PHY_LED_PAGE);
1224
1225         /* Configure leds */
1226         write_phy_reg(priv, MIIM_88E1121_PHY_LED_CTRL,
1227                       MIIM_88E1121_PHY_LED_DEF);
1228
1229         /* Restore the page pointer */
1230         write_phy_reg(priv, MIIM_88E1121_PHY_PAGE, pg);
1231         return 0;
1232 }
1233
1234 struct phy_info phy_info_M88E1121R = {
1235         0x01410cb,
1236         "Marvell 88E1121R",
1237         4,
1238         (struct phy_cmd[]){     /* config */
1239                            /* Reset and configure the PHY */
1240                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1241                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1242                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1243                            /* Configure leds */
1244                            {MIIM_88E1121_PHY_LED_CTRL, miim_read,
1245                             &mii_88E1121_set_led},
1246                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1247                            /* Disable IRQs and de-assert interrupt */
1248                            {MIIM_88E1121_PHY_IRQ_EN, 0, NULL},
1249                            {MIIM_88E1121_PHY_IRQ_STATUS, miim_read, NULL},
1250                            {miim_end,}
1251                            },
1252         (struct phy_cmd[]){     /* startup */
1253                            /* Status is read once to clear old link state */
1254                            {MIIM_STATUS, miim_read, NULL},
1255                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1256                            {MIIM_STATUS, miim_read, &mii_parse_link},
1257                            {miim_end,}
1258                            },
1259         (struct phy_cmd[]){     /* shutdown */
1260                            {miim_end,}
1261                            },
1262 };
1263
1264 static unsigned int m88e1145_setmode(uint mii_reg, struct tsec_private *priv)
1265 {
1266         uint mii_data = read_phy_reg(priv, mii_reg);
1267
1268         /* Setting MIIM_88E1145_PHY_EXT_CR */
1269         if (priv->flags & TSEC_REDUCED)
1270                 return mii_data |
1271                     MIIM_M88E1145_RGMII_RX_DELAY | MIIM_M88E1145_RGMII_TX_DELAY;
1272         else
1273                 return mii_data;
1274 }
1275
1276 static struct phy_info phy_info_M88E1145 = {
1277         0x01410cd,
1278         "Marvell 88E1145",
1279         4,
1280         (struct phy_cmd[]){     /* config */
1281                            /* Reset the PHY */
1282                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1283
1284                            /* Errata E0, E1 */
1285                            {29, 0x001b, NULL},
1286                            {30, 0x418f, NULL},
1287                            {29, 0x0016, NULL},
1288                            {30, 0xa2da, NULL},
1289
1290                            /* Configure the PHY */
1291                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1292                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1293                            {MIIM_88E1011_PHY_SCR, MIIM_88E1011_PHY_MDI_X_AUTO,
1294                             NULL},
1295                            {MIIM_88E1145_PHY_EXT_CR, 0, &m88e1145_setmode},
1296                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1297                            {MIIM_CONTROL, MIIM_CONTROL_INIT, NULL},
1298                            {miim_end,}
1299                            },
1300         (struct phy_cmd[]){     /* startup */
1301                            /* Status is read once to clear old link state */
1302                            {MIIM_STATUS, miim_read, NULL},
1303                            /* Auto-negotiate */
1304                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1305                            {MIIM_88E1111_PHY_LED_CONTROL,
1306                             MIIM_88E1111_PHY_LED_DIRECT, NULL},
1307                            /* Read the Status */
1308                            {MIIM_88E1011_PHY_STATUS, miim_read,
1309                             &mii_parse_88E1011_psr},
1310                            {miim_end,}
1311                            },
1312         (struct phy_cmd[]){     /* shutdown */
1313                            {miim_end,}
1314                            },
1315 };
1316
1317 struct phy_info phy_info_cis8204 = {
1318         0x3f11,
1319         "Cicada Cis8204",
1320         6,
1321         (struct phy_cmd[]){     /* config */
1322                            /* Override PHY config settings */
1323                            {MIIM_CIS8201_AUX_CONSTAT,
1324                             MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
1325                            /* Configure some basic stuff */
1326                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1327                            {MIIM_CIS8204_SLED_CON, MIIM_CIS8204_SLEDCON_INIT,
1328                             &mii_cis8204_fixled},
1329                            {MIIM_CIS8204_EPHY_CON, MIIM_CIS8204_EPHYCON_INIT,
1330                             &mii_cis8204_setmode},
1331                            {miim_end,}
1332                            },
1333         (struct phy_cmd[]){     /* startup */
1334                            /* Read the Status (2x to make sure link is right) */
1335                            {MIIM_STATUS, miim_read, NULL},
1336                            /* Auto-negotiate */
1337                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1338                            /* Read the status */
1339                            {MIIM_CIS8201_AUX_CONSTAT, miim_read,
1340                             &mii_parse_cis8201},
1341                            {miim_end,}
1342                            },
1343         (struct phy_cmd[]){     /* shutdown */
1344                            {miim_end,}
1345                            },
1346 };
1347
1348 /* Cicada 8201 */
1349 struct phy_info phy_info_cis8201 = {
1350         0xfc41,
1351         "CIS8201",
1352         4,
1353         (struct phy_cmd[]){     /* config */
1354                            /* Override PHY config settings */
1355                            {MIIM_CIS8201_AUX_CONSTAT,
1356                             MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
1357                            /* Set up the interface mode */
1358                            {MIIM_CIS8201_EXT_CON1, MIIM_CIS8201_EXTCON1_INIT,
1359                             NULL},
1360                            /* Configure some basic stuff */
1361                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1362                            {miim_end,}
1363                            },
1364         (struct phy_cmd[]){     /* startup */
1365                            /* Read the Status (2x to make sure link is right) */
1366                            {MIIM_STATUS, miim_read, NULL},
1367                            /* Auto-negotiate */
1368                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1369                            /* Read the status */
1370                            {MIIM_CIS8201_AUX_CONSTAT, miim_read,
1371                             &mii_parse_cis8201},
1372                            {miim_end,}
1373                            },
1374         (struct phy_cmd[]){     /* shutdown */
1375                            {miim_end,}
1376                            },
1377 };
1378 struct phy_info phy_info_VSC8211 = {
1379         0xfc4b,
1380         "Vitesse VSC8211",
1381         4,
1382         (struct phy_cmd[]) { /* config */
1383                            /* Override PHY config settings */
1384                            {MIIM_CIS8201_AUX_CONSTAT,
1385                             MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
1386                            /* Set up the interface mode */
1387                            {MIIM_CIS8201_EXT_CON1,
1388                             MIIM_CIS8201_EXTCON1_INIT, NULL},
1389                            /* Configure some basic stuff */
1390                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1391                            {miim_end,}
1392                            },
1393         (struct phy_cmd[]) { /* startup */
1394                            /* Read the Status (2x to make sure link is right) */
1395                            {MIIM_STATUS, miim_read, NULL},
1396                            /* Auto-negotiate */
1397                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1398                            /* Read the status */
1399                            {MIIM_CIS8201_AUX_CONSTAT, miim_read,
1400                             &mii_parse_cis8201},
1401                            {miim_end,}
1402                            },
1403         (struct phy_cmd[]) { /* shutdown */
1404                            {miim_end,}
1405         },
1406 };
1407 struct phy_info phy_info_VSC8244 = {
1408         0x3f1b,
1409         "Vitesse VSC8244",
1410         6,
1411         (struct phy_cmd[]){     /* config */
1412                            /* Override PHY config settings */
1413                            /* Configure some basic stuff */
1414                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1415                            {miim_end,}
1416                            },
1417         (struct phy_cmd[]){     /* startup */
1418                            /* Read the Status (2x to make sure link is right) */
1419                            {MIIM_STATUS, miim_read, NULL},
1420                            /* Auto-negotiate */
1421                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1422                            /* Read the status */
1423                            {MIIM_VSC8244_AUX_CONSTAT, miim_read,
1424                             &mii_parse_vsc8244},
1425                            {miim_end,}
1426                            },
1427         (struct phy_cmd[]){     /* shutdown */
1428                            {miim_end,}
1429                            },
1430 };
1431
1432 struct phy_info phy_info_VSC8601 = {
1433                 0x00007042,
1434                 "Vitesse VSC8601",
1435                 4,
1436                 (struct phy_cmd[]){     /* config */
1437                                 /* Override PHY config settings */
1438                                 /* Configure some basic stuff */
1439                                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1440 #ifdef CONFIG_SYS_VSC8601_SKEWFIX
1441                                 {MIIM_VSC8601_EPHY_CON,MIIM_VSC8601_EPHY_CON_INIT_SKEW,NULL},
1442 #if defined(CONFIG_SYS_VSC8601_SKEW_TX) && defined(CONFIG_SYS_VSC8601_SKEW_RX)
1443                                 {MIIM_EXT_PAGE_ACCESS,1,NULL},
1444 #define VSC8101_SKEW    (CONFIG_SYS_VSC8601_SKEW_TX<<14)|(CONFIG_SYS_VSC8601_SKEW_RX<<12)
1445                                 {MIIM_VSC8601_SKEW_CTRL,VSC8101_SKEW,NULL},
1446                                 {MIIM_EXT_PAGE_ACCESS,0,NULL},
1447 #endif
1448 #endif
1449                                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1450                                 {MIIM_CONTROL, MIIM_CONTROL_RESTART, &mii_cr_init},
1451                                 {miim_end,}
1452                                  },
1453                 (struct phy_cmd[]){     /* startup */
1454                                 /* Read the Status (2x to make sure link is right) */
1455                                 {MIIM_STATUS, miim_read, NULL},
1456                                 /* Auto-negotiate */
1457                                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1458                                 /* Read the status */
1459                                 {MIIM_VSC8244_AUX_CONSTAT, miim_read,
1460                                                 &mii_parse_vsc8244},
1461                                 {miim_end,}
1462                                 },
1463                 (struct phy_cmd[]){     /* shutdown */
1464                                 {miim_end,}
1465                                 },
1466 };
1467
1468
1469 struct phy_info phy_info_dm9161 = {
1470         0x0181b88,
1471         "Davicom DM9161E",
1472         4,
1473         (struct phy_cmd[]){     /* config */
1474                            {MIIM_CONTROL, MIIM_DM9161_CR_STOP, NULL},
1475                            /* Do not bypass the scrambler/descrambler */
1476                            {MIIM_DM9161_SCR, MIIM_DM9161_SCR_INIT, NULL},
1477                            /* Clear 10BTCSR to default */
1478                            {MIIM_DM9161_10BTCSR, MIIM_DM9161_10BTCSR_INIT,
1479                             NULL},
1480                            /* Configure some basic stuff */
1481                            {MIIM_CONTROL, MIIM_CR_INIT, NULL},
1482                            /* Restart Auto Negotiation */
1483                            {MIIM_CONTROL, MIIM_DM9161_CR_RSTAN, NULL},
1484                            {miim_end,}
1485                            },
1486         (struct phy_cmd[]){     /* startup */
1487                            /* Status is read once to clear old link state */
1488                            {MIIM_STATUS, miim_read, NULL},
1489                            /* Auto-negotiate */
1490                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1491                            /* Read the status */
1492                            {MIIM_DM9161_SCSR, miim_read,
1493                             &mii_parse_dm9161_scsr},
1494                            {miim_end,}
1495                            },
1496         (struct phy_cmd[]){     /* shutdown */
1497                            {miim_end,}
1498                            },
1499 };
1500 /* a generic flavor.  */
1501 struct phy_info phy_info_generic =  {
1502         0,
1503         "Unknown/Generic PHY",
1504         32,
1505         (struct phy_cmd[]) { /* config */
1506                 {PHY_BMCR, PHY_BMCR_RESET, NULL},
1507                 {PHY_BMCR, PHY_BMCR_AUTON|PHY_BMCR_RST_NEG, NULL},
1508                 {miim_end,}
1509         },
1510         (struct phy_cmd[]) { /* startup */
1511                 {PHY_BMSR, miim_read, NULL},
1512                 {PHY_BMSR, miim_read, &mii_parse_sr},
1513                 {PHY_BMSR, miim_read, &mii_parse_link},
1514                 {miim_end,}
1515         },
1516         (struct phy_cmd[]) { /* shutdown */
1517                 {miim_end,}
1518         }
1519 };
1520
1521
1522 uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv)
1523 {
1524         unsigned int speed;
1525         if (priv->link) {
1526                 speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK;
1527
1528                 switch (speed) {
1529                 case MIIM_LXT971_SR2_10HDX:
1530                         priv->speed = 10;
1531                         priv->duplexity = 0;
1532                         break;
1533                 case MIIM_LXT971_SR2_10FDX:
1534                         priv->speed = 10;
1535                         priv->duplexity = 1;
1536                         break;
1537                 case MIIM_LXT971_SR2_100HDX:
1538                         priv->speed = 100;
1539                         priv->duplexity = 0;
1540                         break;
1541                 default:
1542                         priv->speed = 100;
1543                         priv->duplexity = 1;
1544                 }
1545         } else {
1546                 priv->speed = 0;
1547                 priv->duplexity = 0;
1548         }
1549
1550         return 0;
1551 }
1552
1553 static struct phy_info phy_info_lxt971 = {
1554         0x0001378e,
1555         "LXT971",
1556         4,
1557         (struct phy_cmd[]){     /* config */
1558                            {MIIM_CR, MIIM_CR_INIT, mii_cr_init},        /* autonegotiate */
1559                            {miim_end,}
1560                            },
1561         (struct phy_cmd[]){     /* startup - enable interrupts */
1562                            /* { 0x12, 0x00f2, NULL }, */
1563                            {MIIM_STATUS, miim_read, NULL},
1564                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1565                            {MIIM_LXT971_SR2, miim_read, &mii_parse_lxt971_sr2},
1566                            {miim_end,}
1567                            },
1568         (struct phy_cmd[]){     /* shutdown - disable interrupts */
1569                            {miim_end,}
1570                            },
1571 };
1572
1573 /* Parse the DP83865's link and auto-neg status register for speed and duplex
1574  * information
1575  */
1576 uint mii_parse_dp83865_lanr(uint mii_reg, struct tsec_private *priv)
1577 {
1578         switch (mii_reg & MIIM_DP83865_SPD_MASK) {
1579
1580         case MIIM_DP83865_SPD_1000:
1581                 priv->speed = 1000;
1582                 break;
1583
1584         case MIIM_DP83865_SPD_100:
1585                 priv->speed = 100;
1586                 break;
1587
1588         default:
1589                 priv->speed = 10;
1590                 break;
1591
1592         }
1593
1594         if (mii_reg & MIIM_DP83865_DPX_FULL)
1595                 priv->duplexity = 1;
1596         else
1597                 priv->duplexity = 0;
1598
1599         return 0;
1600 }
1601
1602 struct phy_info phy_info_dp83865 = {
1603         0x20005c7,
1604         "NatSemi DP83865",
1605         4,
1606         (struct phy_cmd[]){     /* config */
1607                            {MIIM_CONTROL, MIIM_DP83865_CR_INIT, NULL},
1608                            {miim_end,}
1609                            },
1610         (struct phy_cmd[]){     /* startup */
1611                            /* Status is read once to clear old link state */
1612                            {MIIM_STATUS, miim_read, NULL},
1613                            /* Auto-negotiate */
1614                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1615                            /* Read the link and auto-neg status */
1616                            {MIIM_DP83865_LANR, miim_read,
1617                             &mii_parse_dp83865_lanr},
1618                            {miim_end,}
1619                            },
1620         (struct phy_cmd[]){     /* shutdown */
1621                            {miim_end,}
1622                            },
1623 };
1624
1625 struct phy_info phy_info_rtl8211b = {
1626         0x001cc91,
1627         "RealTek RTL8211B",
1628         4,
1629         (struct phy_cmd[]){     /* config */
1630                 /* Reset and configure the PHY */
1631                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1632                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1633                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1634                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1635                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1636                 {miim_end,}
1637         },
1638         (struct phy_cmd[]){     /* startup */
1639                 /* Status is read once to clear old link state */
1640                 {MIIM_STATUS, miim_read, NULL},
1641                 /* Auto-negotiate */
1642                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1643                 /* Read the status */
1644                 {MIIM_RTL8211B_PHY_STATUS, miim_read, &mii_parse_RTL8211B_sr},
1645                 {miim_end,}
1646         },
1647         (struct phy_cmd[]){     /* shutdown */
1648                 {miim_end,}
1649         },
1650 };
1651
1652 struct phy_info *phy_info[] = {
1653         &phy_info_cis8204,
1654         &phy_info_cis8201,
1655         &phy_info_BCM5461S,
1656         &phy_info_BCM5464S,
1657         &phy_info_BCM5482S,
1658         &phy_info_M88E1011S,
1659         &phy_info_M88E1111S,
1660         &phy_info_M88E1118,
1661         &phy_info_M88E1121R,
1662         &phy_info_M88E1145,
1663         &phy_info_M88E1149S,
1664         &phy_info_dm9161,
1665         &phy_info_lxt971,
1666         &phy_info_VSC8211,
1667         &phy_info_VSC8244,
1668         &phy_info_VSC8601,
1669         &phy_info_dp83865,
1670         &phy_info_rtl8211b,
1671         &phy_info_generic,      /* must be last; has ID 0 and 32 bit mask */
1672         NULL
1673 };
1674
1675 /* Grab the identifier of the device's PHY, and search through
1676  * all of the known PHYs to see if one matches.  If so, return
1677  * it, if not, return NULL
1678  */
1679 struct phy_info *get_phy_info(struct eth_device *dev)
1680 {
1681         struct tsec_private *priv = (struct tsec_private *)dev->priv;
1682         uint phy_reg, phy_ID;
1683         int i;
1684         struct phy_info *theInfo = NULL;
1685
1686         /* Grab the bits from PHYIR1, and put them in the upper half */
1687         phy_reg = read_phy_reg(priv, MIIM_PHYIR1);
1688         phy_ID = (phy_reg & 0xffff) << 16;
1689
1690         /* Grab the bits from PHYIR2, and put them in the lower half */
1691         phy_reg = read_phy_reg(priv, MIIM_PHYIR2);
1692         phy_ID |= (phy_reg & 0xffff);
1693
1694         /* loop through all the known PHY types, and find one that */
1695         /* matches the ID we read from the PHY. */
1696         for (i = 0; phy_info[i]; i++) {
1697                 if (phy_info[i]->id == (phy_ID >> phy_info[i]->shift)) {
1698                         theInfo = phy_info[i];
1699                         break;
1700                 }
1701         }
1702
1703         if (theInfo == &phy_info_generic) {
1704                 printf("%s: No support for PHY id %x; assuming generic\n", dev->name, phy_ID);
1705         } else {
1706                 debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID);
1707         }
1708
1709         return theInfo;
1710 }
1711
1712 /* Execute the given series of commands on the given device's
1713  * PHY, running functions as necessary
1714  */
1715 void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd)
1716 {
1717         int i;
1718         uint result;
1719         volatile tsec_t *phyregs = priv->phyregs;
1720
1721         phyregs->miimcfg = MIIMCFG_RESET;
1722
1723         phyregs->miimcfg = MIIMCFG_INIT_VALUE;
1724
1725         while (phyregs->miimind & MIIMIND_BUSY) ;
1726
1727         for (i = 0; cmd->mii_reg != miim_end; i++) {
1728                 if (cmd->mii_data == miim_read) {
1729                         result = read_phy_reg(priv, cmd->mii_reg);
1730
1731                         if (cmd->funct != NULL)
1732                                 (*(cmd->funct)) (result, priv);
1733
1734                 } else {
1735                         if (cmd->funct != NULL)
1736                                 result = (*(cmd->funct)) (cmd->mii_reg, priv);
1737                         else
1738                                 result = cmd->mii_data;
1739
1740                         write_phy_reg(priv, cmd->mii_reg, result);
1741
1742                 }
1743                 cmd++;
1744         }
1745 }
1746
1747 /* Relocate the function pointers in the phy cmd lists */
1748 static void relocate_cmds(void)
1749 {
1750         struct phy_cmd **cmdlistptr;
1751         struct phy_cmd *cmd;
1752         int i, j, k;
1753
1754         for (i = 0; phy_info[i]; i++) {
1755                 /* First thing's first: relocate the pointers to the
1756                  * PHY command structures (the structs were done) */
1757                 phy_info[i] = (struct phy_info *)((uint) phy_info[i]
1758                                                   + gd->reloc_off);
1759                 phy_info[i]->name += gd->reloc_off;
1760                 phy_info[i]->config =
1761                     (struct phy_cmd *)((uint) phy_info[i]->config
1762                                        + gd->reloc_off);
1763                 phy_info[i]->startup =
1764                     (struct phy_cmd *)((uint) phy_info[i]->startup
1765                                        + gd->reloc_off);
1766                 phy_info[i]->shutdown =
1767                     (struct phy_cmd *)((uint) phy_info[i]->shutdown
1768                                        + gd->reloc_off);
1769
1770                 cmdlistptr = &phy_info[i]->config;
1771                 j = 0;
1772                 for (; cmdlistptr <= &phy_info[i]->shutdown; cmdlistptr++) {
1773                         k = 0;
1774                         for (cmd = *cmdlistptr;
1775                              cmd->mii_reg != miim_end;
1776                              cmd++) {
1777                                 /* Only relocate non-NULL pointers */
1778                                 if (cmd->funct)
1779                                         cmd->funct += gd->reloc_off;
1780
1781                                 k++;
1782                         }
1783                         j++;
1784                 }
1785         }
1786
1787         relocated = 1;
1788 }
1789
1790 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
1791         && !defined(BITBANGMII)
1792
1793 /*
1794  * Read a MII PHY register.
1795  *
1796  * Returns:
1797  *  0 on success
1798  */
1799 static int tsec_miiphy_read(char *devname, unsigned char addr,
1800                             unsigned char reg, unsigned short *value)
1801 {
1802         unsigned short ret;
1803         struct tsec_private *priv = privlist[0];
1804
1805         if (NULL == priv) {
1806                 printf("Can't read PHY at address %d\n", addr);
1807                 return -1;
1808         }
1809
1810         ret = (unsigned short)tsec_local_mdio_read(priv->phyregs, addr, reg);
1811         *value = ret;
1812
1813         return 0;
1814 }
1815
1816 /*
1817  * Write a MII PHY register.
1818  *
1819  * Returns:
1820  *  0 on success
1821  */
1822 static int tsec_miiphy_write(char *devname, unsigned char addr,
1823                              unsigned char reg, unsigned short value)
1824 {
1825         struct tsec_private *priv = privlist[0];
1826
1827         if (NULL == priv) {
1828                 printf("Can't write PHY at address %d\n", addr);
1829                 return -1;
1830         }
1831
1832         tsec_local_mdio_write(priv->phyregs, addr, reg, value);
1833
1834         return 0;
1835 }
1836
1837 #endif
1838
1839 #ifdef CONFIG_MCAST_TFTP
1840
1841 /* CREDITS: linux gianfar driver, slightly adjusted... thanx. */
1842
1843 /* Set the appropriate hash bit for the given addr */
1844
1845 /* The algorithm works like so:
1846  * 1) Take the Destination Address (ie the multicast address), and
1847  * do a CRC on it (little endian), and reverse the bits of the
1848  * result.
1849  * 2) Use the 8 most significant bits as a hash into a 256-entry
1850  * table.  The table is controlled through 8 32-bit registers:
1851  * gaddr0-7.  gaddr0's MSB is entry 0, and gaddr7's LSB is
1852  * gaddr7.  This means that the 3 most significant bits in the
1853  * hash index which gaddr register to use, and the 5 other bits
1854  * indicate which bit (assuming an IBM numbering scheme, which
1855  * for PowerPC (tm) is usually the case) in the tregister holds
1856  * the entry. */
1857 static int
1858 tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set)
1859 {
1860  struct tsec_private *priv = privlist[1];
1861  volatile tsec_t *regs = priv->regs;
1862  volatile u32  *reg_array, value;
1863  u8 result, whichbit, whichreg;
1864
1865         result = (u8)((ether_crc(MAC_ADDR_LEN,mcast_mac) >> 24) & 0xff);
1866         whichbit = result & 0x1f;       /* the 5 LSB = which bit to set */
1867         whichreg = result >> 5;         /* the 3 MSB = which reg to set it in */
1868         value = (1 << (31-whichbit));
1869
1870         reg_array = &(regs->hash.gaddr0);
1871
1872         if (set) {
1873                 reg_array[whichreg] |= value;
1874         } else {
1875                 reg_array[whichreg] &= ~value;
1876         }
1877         return 0;
1878 }
1879 #endif /* Multicast TFTP ? */