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
  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 #ifdef CONFIG_TSEC1
  69         {TSEC1_PHY_ADDR, TSEC1_FLAGS, TSEC1_PHYIDX},
  70 #else
  71         {0, 0, 0},
  72 #endif
  73 #ifdef CONFIG_TSEC2
  74         {TSEC2_PHY_ADDR, TSEC2_FLAGS, TSEC2_PHYIDX},
  75 #else
  76         {0, 0, 0},
  77 #endif
  78 #ifdef CONFIG_MPC85XX_FEC
  79         {FEC_PHY_ADDR, FEC_FLAGS, FEC_PHYIDX},
  80 #else
  81 #ifdef CONFIG_TSEC3
  82         {TSEC3_PHY_ADDR, TSEC3_FLAGS, TSEC3_PHYIDX},
  83 #else
  84         {0, 0, 0},
  85 #endif
  86 #ifdef CONFIG_TSEC4
  87         {TSEC4_PHY_ADDR, TSEC4_FLAGS, TSEC4_PHYIDX},
  88 #else
  89         {0, 0, 0},
  90 #endif  /* CONFIG_TSEC4 */
  91 #endif  /* CONFIG_MPC85XX_FEC */
  92 };
  93
  94 #define MAXCONTROLLERS  (4)
  95
  96 static int relocated = 0;
  97
  98 static struct tsec_private *privlist[MAXCONTROLLERS];
  99
 100 #ifdef __GNUC__
 101 static RTXBD rtx __attribute__ ((aligned(8)));
 102 #else
 103 #error "rtx must be 64-bit aligned"
 104 #endif
 105
 106 static int tsec_send(struct eth_device *dev,
 107                      volatile void *packet, int length);
 108 static int tsec_recv(struct eth_device *dev);
 109 static int tsec_init(struct eth_device *dev, bd_t * bd);
 110 static void tsec_halt(struct eth_device *dev);
 111 static void init_registers(volatile tsec_t * regs);
 112 static void startup_tsec(struct eth_device *dev);
 113 static int init_phy(struct eth_device *dev);
 114 void write_phy_reg(struct tsec_private *priv, uint regnum, uint value);
 115 uint read_phy_reg(struct tsec_private *priv, uint regnum);
 116 struct phy_info *get_phy_info(struct eth_device *dev);
 117 void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd);
 118 static void adjust_link(struct eth_device *dev);
 119 static void relocate_cmds(void);
 120 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
 121         && !defined(BITBANGMII)
 122 static int tsec_miiphy_write(char *devname, unsigned char addr,
 123                              unsigned char reg, unsigned short value);
 124 static int tsec_miiphy_read(char *devname, unsigned char addr,
 125                             unsigned char reg, unsigned short *value);
 126 #endif
 127 #ifdef CONFIG_MCAST_TFTP
 128 static int tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set);
 129 #endif
 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 #ifdef CONFIG_MCAST_TFTP
 169         dev->mcast = tsec_mcast_addr;
 170 #endif
 171
 172         /* Tell u-boot to get the addr from the env */
 173         for (i = 0; i < 6; i++)
 174                 dev->enetaddr[i] = 0;
 175
 176         eth_register(dev);
 177
 178         /* Reset the MAC */
 179         priv->regs->maccfg1 |= MACCFG1_SOFT_RESET;
 180         priv->regs->maccfg1 &= ~(MACCFG1_SOFT_RESET);
 181
 182 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
 183         && !defined(BITBANGMII)
 184         miiphy_register(dev->name, tsec_miiphy_read, tsec_miiphy_write);
 185 #endif
 186
 187         /* Try to initialize PHY here, and return */
 188         return init_phy(dev);
 189 }
 190
 191 /* Initializes data structures and registers for the controller,
 192  * and brings the interface up.  Returns the link status, meaning
 193  * that it returns success if the link is up, failure otherwise.
 194  * This allows u-boot to find the first active controller.
 195  */
 196 int tsec_init(struct eth_device *dev, bd_t * bd)
 197 {
 198         uint tempval;
 199         char tmpbuf[MAC_ADDR_LEN];
 200         int i;
 201         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 202         volatile tsec_t *regs = priv->regs;
 203
 204         /* Make sure the controller is stopped */
 205         tsec_halt(dev);
 206
 207         /* Init MACCFG2.  Defaults to GMII */
 208         regs->maccfg2 = MACCFG2_INIT_SETTINGS;
 209
 210         /* Init ECNTRL */
 211         regs->ecntrl = ECNTRL_INIT_SETTINGS;
 212
 213         /* Copy the station address into the address registers.
 214          * Backwards, because little endian MACS are dumb */
 215         for (i = 0; i < MAC_ADDR_LEN; i++) {
 216                 tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i];
 217         }
 218         regs->macstnaddr1 = *((uint *) (tmpbuf));
 219
 220         tempval = *((uint *) (tmpbuf + 4));
 221
 222         regs->macstnaddr2 = tempval;
 223
 224         /* reset the indices to zero */
 225         rxIdx = 0;
 226         txIdx = 0;
 227
 228         /* Clear out (for the most part) the other registers */
 229         init_registers(regs);
 230
 231         /* Ready the device for tx/rx */
 232         startup_tsec(dev);
 233
 234         /* If there's no link, fail */
 235         return (priv->link ? 0 : -1);
 236
 237 }
 238
 239 /* Write value to the device's PHY through the registers
 240  * specified in priv, modifying the register specified in regnum.
 241  * It will wait for the write to be done (or for a timeout to
 242  * expire) before exiting
 243  */
 244 void write_any_phy_reg(struct tsec_private *priv, uint phyid, uint regnum, uint value)
 245 {
 246         volatile tsec_t *regbase = priv->phyregs;
 247         int timeout = 1000000;
 248
 249         regbase->miimadd = (phyid << 8) | regnum;
 250         regbase->miimcon = value;
 251         asm("sync");
 252
 253         timeout = 1000000;
 254         while ((regbase->miimind & MIIMIND_BUSY) && timeout--) ;
 255 }
 256
 257 /* #define to provide old write_phy_reg functionality without duplicating code */
 258 #define write_phy_reg(priv, regnum, value) write_any_phy_reg(priv,priv->phyaddr,regnum,value)
 259
 260 /* Reads register regnum on the device's PHY through the
 261  * registers specified in priv.  It lowers and raises the read
 262  * command, and waits for the data to become valid (miimind
 263  * notvalid bit cleared), and the bus to cease activity (miimind
 264  * busy bit cleared), and then returns the value
 265  */
 266 uint read_any_phy_reg(struct tsec_private *priv, uint phyid, uint regnum)
 267 {
 268         uint value;
 269         volatile tsec_t *regbase = priv->phyregs;
 270
 271         /* Put the address of the phy, and the register
 272          * number into MIIMADD */
 273         regbase->miimadd = (phyid << 8) | regnum;
 274
 275         /* Clear the command register, and wait */
 276         regbase->miimcom = 0;
 277         asm("sync");
 278
 279         /* Initiate a read command, and wait */
 280         regbase->miimcom = MIIM_READ_COMMAND;
 281         asm("sync");
 282
 283         /* Wait for the the indication that the read is done */
 284         while ((regbase->miimind & (MIIMIND_NOTVALID | MIIMIND_BUSY))) ;
 285
 286         /* Grab the value read from the PHY */
 287         value = regbase->miimstat;
 288
 289         return value;
 290 }
 291
 292 /* #define to provide old read_phy_reg functionality without duplicating code */
 293 #define read_phy_reg(priv,regnum) read_any_phy_reg(priv,priv->phyaddr,regnum)
 294
 295 /* Discover which PHY is attached to the device, and configure it
 296  * properly.  If the PHY is not recognized, then return 0
 297  * (failure).  Otherwise, return 1
 298  */
 299 static int init_phy(struct eth_device *dev)
 300 {
 301         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 302         struct phy_info *curphy;
 303         volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
 304
 305         /* Assign a Physical address to the TBI */
 306         regs->tbipa = CFG_TBIPA_VALUE;
 307         regs = (volatile tsec_t *)(TSEC_BASE_ADDR + TSEC_SIZE);
 308         regs->tbipa = CFG_TBIPA_VALUE;
 309         asm("sync");
 310
 311         /* Reset MII (due to new addresses) */
 312         priv->phyregs->miimcfg = MIIMCFG_RESET;
 313         asm("sync");
 314         priv->phyregs->miimcfg = MIIMCFG_INIT_VALUE;
 315         asm("sync");
 316         while (priv->phyregs->miimind & MIIMIND_BUSY) ;
 317
 318         if (0 == relocated)
 319                 relocate_cmds();
 320
 321         /* Get the cmd structure corresponding to the attached
 322          * PHY */
 323         curphy = get_phy_info(dev);
 324
 325         if (curphy == NULL) {
 326                 priv->phyinfo = NULL;
 327                 printf("%s: No PHY found\n", dev->name);
 328
 329                 return 0;
 330         }
 331
 332         priv->phyinfo = curphy;
 333
 334         phy_run_commands(priv, priv->phyinfo->config);
 335
 336         return 1;
 337 }
 338
 339 /*
 340  * Returns which value to write to the control register.
 341  * For 10/100, the value is slightly different
 342  */
 343 uint mii_cr_init(uint mii_reg, struct tsec_private * priv)
 344 {
 345         if (priv->flags & TSEC_GIGABIT)
 346                 return MIIM_CONTROL_INIT;
 347         else
 348                 return MIIM_CR_INIT;
 349 }
 350
 351 /* Parse the status register for link, and then do
 352  * auto-negotiation
 353  */
 354 uint mii_parse_sr(uint mii_reg, struct tsec_private * priv)
 355 {
 356         /*
 357          * Wait if the link is up, and autonegotiation is in progress
 358          * (ie - we're capable and it's not done)
 359          */
 360         mii_reg = read_phy_reg(priv, MIIM_STATUS);
 361         if ((mii_reg & MIIM_STATUS_LINK) && (mii_reg & PHY_BMSR_AUTN_ABLE)
 362             && !(mii_reg & PHY_BMSR_AUTN_COMP)) {
 363                 int i = 0;
 364
 365                 puts("Waiting for PHY auto negotiation to complete");
 366                 while (!(mii_reg & PHY_BMSR_AUTN_COMP)) {
 367                         /*
 368                          * Timeout reached ?
 369                          */
 370                         if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
 371                                 puts(" TIMEOUT !\n");
 372                                 priv->link = 0;
 373                                 return 0;
 374                         }
 375
 376                         if ((i++ % 1000) == 0) {
 377                                 putc('.');
 378                         }
 379                         udelay(1000);   /* 1 ms */
 380                         mii_reg = read_phy_reg(priv, MIIM_STATUS);
 381                 }
 382                 puts(" done\n");
 383                 priv->link = 1;
 384                 udelay(500000); /* another 500 ms (results in faster booting) */
 385         } else {
 386                 if (mii_reg & MIIM_STATUS_LINK)
 387                         priv->link = 1;
 388                 else
 389                         priv->link = 0;
 390         }
 391
 392         return 0;
 393 }
 394
 395 /* Generic function which updates the speed and duplex.  If
 396  * autonegotiation is enabled, it uses the AND of the link
 397  * partner's advertised capabilities and our advertised
 398  * capabilities.  If autonegotiation is disabled, we use the
 399  * appropriate bits in the control register.
 400  *
 401  * Stolen from Linux's mii.c and phy_device.c
 402  */
 403 uint mii_parse_link(uint mii_reg, struct tsec_private *priv)
 404 {
 405         /* We're using autonegotiation */
 406         if (mii_reg & PHY_BMSR_AUTN_ABLE) {
 407                 uint lpa = 0;
 408                 uint gblpa = 0;
 409
 410                 /* Check for gigabit capability */
 411                 if (mii_reg & PHY_BMSR_EXT) {
 412                         /* We want a list of states supported by
 413                          * both PHYs in the link
 414                          */
 415                         gblpa = read_phy_reg(priv, PHY_1000BTSR);
 416                         gblpa &= read_phy_reg(priv, PHY_1000BTCR) << 2;
 417                 }
 418
 419                 /* Set the baseline so we only have to set them
 420                  * if they're different
 421                  */
 422                 priv->speed = 10;
 423                 priv->duplexity = 0;
 424
 425                 /* Check the gigabit fields */
 426                 if (gblpa & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)) {
 427                         priv->speed = 1000;
 428
 429                         if (gblpa & PHY_1000BTSR_1000FD)
 430                                 priv->duplexity = 1;
 431
 432                         /* We're done! */
 433                         return 0;
 434                 }
 435
 436                 lpa = read_phy_reg(priv, PHY_ANAR);
 437                 lpa &= read_phy_reg(priv, PHY_ANLPAR);
 438
 439                 if (lpa & (PHY_ANLPAR_TXFD | PHY_ANLPAR_TX)) {
 440                         priv->speed = 100;
 441
 442                         if (lpa & PHY_ANLPAR_TXFD)
 443                                 priv->duplexity = 1;
 444
 445                 } else if (lpa & PHY_ANLPAR_10FD)
 446                         priv->duplexity = 1;
 447         } else {
 448                 uint bmcr = read_phy_reg(priv, PHY_BMCR);
 449
 450                 priv->speed = 10;
 451                 priv->duplexity = 0;
 452
 453                 if (bmcr & PHY_BMCR_DPLX)
 454                         priv->duplexity = 1;
 455
 456                 if (bmcr & PHY_BMCR_1000_MBPS)
 457                         priv->speed = 1000;
 458                 else if (bmcr & PHY_BMCR_100_MBPS)
 459                         priv->speed = 100;
 460         }
 461
 462         return 0;
 463 }
 464
 465 /*
 466  * Parse the BCM54xx status register for speed and duplex information.
 467  * The linux sungem_phy has this information, but in a table format.
 468  */
 469 uint mii_parse_BCM54xx_sr(uint mii_reg, struct tsec_private *priv)
 470 {
 471
 472         switch((mii_reg & MIIM_BCM54xx_AUXSTATUS_LINKMODE_MASK) >> MIIM_BCM54xx_AUXSTATUS_LINKMODE_SHIFT){
 473
 474                 case 1:
 475                         printf("Enet starting in 10BT/HD\n");
 476                         priv->duplexity = 0;
 477                         priv->speed = 10;
 478                         break;
 479
 480                 case 2:
 481                         printf("Enet starting in 10BT/FD\n");
 482                         priv->duplexity = 1;
 483                         priv->speed = 10;
 484                         break;
 485
 486                 case 3:
 487                         printf("Enet starting in 100BT/HD\n");
 488                         priv->duplexity = 0;
 489                         priv->speed = 100;
 490                         break;
 491
 492                 case 5:
 493                         printf("Enet starting in 100BT/FD\n");
 494                         priv->duplexity = 1;
 495                         priv->speed = 100;
 496                         break;
 497
 498                 case 6:
 499                         printf("Enet starting in 1000BT/HD\n");
 500                         priv->duplexity = 0;
 501                         priv->speed = 1000;
 502                         break;
 503
 504                 case 7:
 505                         printf("Enet starting in 1000BT/FD\n");
 506                         priv->duplexity = 1;
 507                         priv->speed = 1000;
 508                         break;
 509
 510                 default:
 511                         printf("Auto-neg error, defaulting to 10BT/HD\n");
 512                         priv->duplexity = 0;
 513                         priv->speed = 10;
 514                         break;
 515         }
 516
 517         return 0;
 518
 519 }
 520 /* Parse the 88E1011's status register for speed and duplex
 521  * information
 522  */
 523 uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private * priv)
 524 {
 525         uint speed;
 526
 527         mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
 528
 529         if ((mii_reg & MIIM_88E1011_PHYSTAT_LINK) &&
 530                 !(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
 531                 int i = 0;
 532
 533                 puts("Waiting for PHY realtime link");
 534                 while (!(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
 535                         /* Timeout reached ? */
 536                         if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
 537                                 puts(" TIMEOUT !\n");
 538                                 priv->link = 0;
 539                                 break;
 540                         }
 541
 542                         if ((i++ % 1000) == 0) {
 543                                 putc('.');
 544                         }
 545                         udelay(1000);   /* 1 ms */
 546                         mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
 547                 }
 548                 puts(" done\n");
 549                 udelay(500000); /* another 500 ms (results in faster booting) */
 550         } else {
 551                 if (mii_reg & MIIM_88E1011_PHYSTAT_LINK)
 552                         priv->link = 1;
 553                 else
 554                         priv->link = 0;
 555         }
 556
 557         if (mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX)
 558                 priv->duplexity = 1;
 559         else
 560                 priv->duplexity = 0;
 561
 562         speed = (mii_reg & MIIM_88E1011_PHYSTAT_SPEED);
 563
 564         switch (speed) {
 565         case MIIM_88E1011_PHYSTAT_GBIT:
 566                 priv->speed = 1000;
 567                 break;
 568         case MIIM_88E1011_PHYSTAT_100:
 569                 priv->speed = 100;
 570                 break;
 571         default:
 572                 priv->speed = 10;
 573         }
 574
 575         return 0;
 576 }
 577
 578 /* Parse the RTL8211B's status register for speed and duplex
 579  * information
 580  */
 581 uint mii_parse_RTL8211B_sr(uint mii_reg, struct tsec_private * priv)
 582 {
 583         uint speed;
 584
 585         mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS);
 586         if (!(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) {
 587                 int i = 0;
 588
 589                 /* in case of timeout ->link is cleared */
 590                 priv->link = 1;
 591                 puts("Waiting for PHY realtime link");
 592                 while (!(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) {
 593                         /* Timeout reached ? */
 594                         if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
 595                                 puts(" TIMEOUT !\n");
 596                                 priv->link = 0;
 597                                 break;
 598                         }
 599
 600                         if ((i++ % 1000) == 0) {
 601                                 putc('.');
 602                         }
 603                         udelay(1000);   /* 1 ms */
 604                         mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS);
 605                 }
 606                 puts(" done\n");
 607                 udelay(500000); /* another 500 ms (results in faster booting) */
 608         } else {
 609                 if (mii_reg & MIIM_RTL8211B_PHYSTAT_LINK)
 610                         priv->link = 1;
 611                 else
 612                         priv->link = 0;
 613         }
 614
 615         if (mii_reg & MIIM_RTL8211B_PHYSTAT_DUPLEX)
 616                 priv->duplexity = 1;
 617         else
 618                 priv->duplexity = 0;
 619
 620         speed = (mii_reg & MIIM_RTL8211B_PHYSTAT_SPEED);
 621
 622         switch (speed) {
 623         case MIIM_RTL8211B_PHYSTAT_GBIT:
 624                 priv->speed = 1000;
 625                 break;
 626         case MIIM_RTL8211B_PHYSTAT_100:
 627                 priv->speed = 100;
 628                 break;
 629         default:
 630                 priv->speed = 10;
 631         }
 632
 633         return 0;
 634 }
 635
 636 /* Parse the cis8201's status register for speed and duplex
 637  * information
 638  */
 639 uint mii_parse_cis8201(uint mii_reg, struct tsec_private * priv)
 640 {
 641         uint speed;
 642
 643         if (mii_reg & MIIM_CIS8201_AUXCONSTAT_DUPLEX)
 644                 priv->duplexity = 1;
 645         else
 646                 priv->duplexity = 0;
 647
 648         speed = mii_reg & MIIM_CIS8201_AUXCONSTAT_SPEED;
 649         switch (speed) {
 650         case MIIM_CIS8201_AUXCONSTAT_GBIT:
 651                 priv->speed = 1000;
 652                 break;
 653         case MIIM_CIS8201_AUXCONSTAT_100:
 654                 priv->speed = 100;
 655                 break;
 656         default:
 657                 priv->speed = 10;
 658                 break;
 659         }
 660
 661         return 0;
 662 }
 663
 664 /* Parse the vsc8244's status register for speed and duplex
 665  * information
 666  */
 667 uint mii_parse_vsc8244(uint mii_reg, struct tsec_private * priv)
 668 {
 669         uint speed;
 670
 671         if (mii_reg & MIIM_VSC8244_AUXCONSTAT_DUPLEX)
 672                 priv->duplexity = 1;
 673         else
 674                 priv->duplexity = 0;
 675
 676         speed = mii_reg & MIIM_VSC8244_AUXCONSTAT_SPEED;
 677         switch (speed) {
 678         case MIIM_VSC8244_AUXCONSTAT_GBIT:
 679                 priv->speed = 1000;
 680                 break;
 681         case MIIM_VSC8244_AUXCONSTAT_100:
 682                 priv->speed = 100;
 683                 break;
 684         default:
 685                 priv->speed = 10;
 686                 break;
 687         }
 688
 689         return 0;
 690 }
 691
 692 /* Parse the DM9161's status register for speed and duplex
 693  * information
 694  */
 695 uint mii_parse_dm9161_scsr(uint mii_reg, struct tsec_private * priv)
 696 {
 697         if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_100H))
 698                 priv->speed = 100;
 699         else
 700                 priv->speed = 10;
 701
 702         if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_10F))
 703                 priv->duplexity = 1;
 704         else
 705                 priv->duplexity = 0;
 706
 707         return 0;
 708 }
 709
 710 /*
 711  * Hack to write all 4 PHYs with the LED values
 712  */
 713 uint mii_cis8204_fixled(uint mii_reg, struct tsec_private * priv)
 714 {
 715         uint phyid;
 716         volatile tsec_t *regbase = priv->phyregs;
 717         int timeout = 1000000;
 718
 719         for (phyid = 0; phyid < 4; phyid++) {
 720                 regbase->miimadd = (phyid << 8) | mii_reg;
 721                 regbase->miimcon = MIIM_CIS8204_SLEDCON_INIT;
 722                 asm("sync");
 723
 724                 timeout = 1000000;
 725                 while ((regbase->miimind & MIIMIND_BUSY) && timeout--) ;
 726         }
 727
 728         return MIIM_CIS8204_SLEDCON_INIT;
 729 }
 730
 731 uint mii_cis8204_setmode(uint mii_reg, struct tsec_private * priv)
 732 {
 733         if (priv->flags & TSEC_REDUCED)
 734                 return MIIM_CIS8204_EPHYCON_INIT | MIIM_CIS8204_EPHYCON_RGMII;
 735         else
 736                 return MIIM_CIS8204_EPHYCON_INIT;
 737 }
 738
 739 uint mii_m88e1111s_setmode(uint mii_reg, struct tsec_private *priv)
 740 {
 741         uint mii_data = read_phy_reg(priv, mii_reg);
 742
 743         if (priv->flags & TSEC_REDUCED)
 744                 mii_data = (mii_data & 0xfff0) | 0x000b;
 745         return mii_data;
 746 }
 747
 748 /* Initialized required registers to appropriate values, zeroing
 749  * those we don't care about (unless zero is bad, in which case,
 750  * choose a more appropriate value)
 751  */
 752 static void init_registers(volatile tsec_t * regs)
 753 {
 754         /* Clear IEVENT */
 755         regs->ievent = IEVENT_INIT_CLEAR;
 756
 757         regs->imask = IMASK_INIT_CLEAR;
 758
 759         regs->hash.iaddr0 = 0;
 760         regs->hash.iaddr1 = 0;
 761         regs->hash.iaddr2 = 0;
 762         regs->hash.iaddr3 = 0;
 763         regs->hash.iaddr4 = 0;
 764         regs->hash.iaddr5 = 0;
 765         regs->hash.iaddr6 = 0;
 766         regs->hash.iaddr7 = 0;
 767
 768         regs->hash.gaddr0 = 0;
 769         regs->hash.gaddr1 = 0;
 770         regs->hash.gaddr2 = 0;
 771         regs->hash.gaddr3 = 0;
 772         regs->hash.gaddr4 = 0;
 773         regs->hash.gaddr5 = 0;
 774         regs->hash.gaddr6 = 0;
 775         regs->hash.gaddr7 = 0;
 776
 777         regs->rctrl = 0x00000000;
 778
 779         /* Init RMON mib registers */
 780         memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t));
 781
 782         regs->rmon.cam1 = 0xffffffff;
 783         regs->rmon.cam2 = 0xffffffff;
 784
 785         regs->mrblr = MRBLR_INIT_SETTINGS;
 786
 787         regs->minflr = MINFLR_INIT_SETTINGS;
 788
 789         regs->attr = ATTR_INIT_SETTINGS;
 790         regs->attreli = ATTRELI_INIT_SETTINGS;
 791
 792 }
 793
 794 /* Configure maccfg2 based on negotiated speed and duplex
 795  * reported by PHY handling code
 796  */
 797 static void adjust_link(struct eth_device *dev)
 798 {
 799         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 800         volatile tsec_t *regs = priv->regs;
 801
 802         if (priv->link) {
 803                 if (priv->duplexity != 0)
 804                         regs->maccfg2 |= MACCFG2_FULL_DUPLEX;
 805                 else
 806                         regs->maccfg2 &= ~(MACCFG2_FULL_DUPLEX);
 807
 808                 switch (priv->speed) {
 809                 case 1000:
 810                         regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF))
 811                                          | MACCFG2_GMII);
 812                         break;
 813                 case 100:
 814                 case 10:
 815                         regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF))
 816                                          | MACCFG2_MII);
 817
 818                         /* Set R100 bit in all modes although
 819                          * it is only used in RGMII mode
 820                          */
 821                         if (priv->speed == 100)
 822                                 regs->ecntrl |= ECNTRL_R100;
 823                         else
 824                                 regs->ecntrl &= ~(ECNTRL_R100);
 825                         break;
 826                 default:
 827                         printf("%s: Speed was bad\n", dev->name);
 828                         break;
 829                 }
 830
 831                 printf("Speed: %d, %s duplex\n", priv->speed,
 832                        (priv->duplexity) ? "full" : "half");
 833
 834         } else {
 835                 printf("%s: No link.\n", dev->name);
 836         }
 837 }
 838
 839 /* Set up the buffers and their descriptors, and bring up the
 840  * interface
 841  */
 842 static void startup_tsec(struct eth_device *dev)
 843 {
 844         int i;
 845         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 846         volatile tsec_t *regs = priv->regs;
 847
 848         /* Point to the buffer descriptors */
 849         regs->tbase = (unsigned int)(&rtx.txbd[txIdx]);
 850         regs->rbase = (unsigned int)(&rtx.rxbd[rxIdx]);
 851
 852         /* Initialize the Rx Buffer descriptors */
 853         for (i = 0; i < PKTBUFSRX; i++) {
 854                 rtx.rxbd[i].status = RXBD_EMPTY;
 855                 rtx.rxbd[i].length = 0;
 856                 rtx.rxbd[i].bufPtr = (uint) NetRxPackets[i];
 857         }
 858         rtx.rxbd[PKTBUFSRX - 1].status |= RXBD_WRAP;
 859
 860         /* Initialize the TX Buffer Descriptors */
 861         for (i = 0; i < TX_BUF_CNT; i++) {
 862                 rtx.txbd[i].status = 0;
 863                 rtx.txbd[i].length = 0;
 864                 rtx.txbd[i].bufPtr = 0;
 865         }
 866         rtx.txbd[TX_BUF_CNT - 1].status |= TXBD_WRAP;
 867
 868         /* Start up the PHY */
 869         if(priv->phyinfo)
 870                 phy_run_commands(priv, priv->phyinfo->startup);
 871
 872         adjust_link(dev);
 873
 874         /* Enable Transmit and Receive */
 875         regs->maccfg1 |= (MACCFG1_RX_EN | MACCFG1_TX_EN);
 876
 877         /* Tell the DMA it is clear to go */
 878         regs->dmactrl |= DMACTRL_INIT_SETTINGS;
 879         regs->tstat = TSTAT_CLEAR_THALT;
 880         regs->rstat = RSTAT_CLEAR_RHALT;
 881         regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
 882 }
 883
 884 /* This returns the status bits of the device.  The return value
 885  * is never checked, and this is what the 8260 driver did, so we
 886  * do the same.  Presumably, this would be zero if there were no
 887  * errors
 888  */
 889 static int tsec_send(struct eth_device *dev, volatile void *packet, int length)
 890 {
 891         int i;
 892         int result = 0;
 893         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 894         volatile tsec_t *regs = priv->regs;
 895
 896         /* Find an empty buffer descriptor */
 897         for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
 898                 if (i >= TOUT_LOOP) {
 899                         debug("%s: tsec: tx buffers full\n", dev->name);
 900                         return result;
 901                 }
 902         }
 903
 904         rtx.txbd[txIdx].bufPtr = (uint) packet;
 905         rtx.txbd[txIdx].length = length;
 906         rtx.txbd[txIdx].status |=
 907             (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT);
 908
 909         /* Tell the DMA to go */
 910         regs->tstat = TSTAT_CLEAR_THALT;
 911
 912         /* Wait for buffer to be transmitted */
 913         for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
 914                 if (i >= TOUT_LOOP) {
 915                         debug("%s: tsec: tx error\n", dev->name);
 916                         return result;
 917                 }
 918         }
 919
 920         txIdx = (txIdx + 1) % TX_BUF_CNT;
 921         result = rtx.txbd[txIdx].status & TXBD_STATS;
 922
 923         return result;
 924 }
 925
 926 static int tsec_recv(struct eth_device *dev)
 927 {
 928         int length;
 929         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 930         volatile tsec_t *regs = priv->regs;
 931
 932         while (!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) {
 933
 934                 length = rtx.rxbd[rxIdx].length;
 935
 936                 /* Send the packet up if there were no errors */
 937                 if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) {
 938                         NetReceive(NetRxPackets[rxIdx], length - 4);
 939                 } else {
 940                         printf("Got error %x\n",
 941                                (rtx.rxbd[rxIdx].status & RXBD_STATS));
 942                 }
 943
 944                 rtx.rxbd[rxIdx].length = 0;
 945
 946                 /* Set the wrap bit if this is the last element in the list */
 947                 rtx.rxbd[rxIdx].status =
 948                     RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0);
 949
 950                 rxIdx = (rxIdx + 1) % PKTBUFSRX;
 951         }
 952
 953         if (regs->ievent & IEVENT_BSY) {
 954                 regs->ievent = IEVENT_BSY;
 955                 regs->rstat = RSTAT_CLEAR_RHALT;
 956         }
 957
 958         return -1;
 959
 960 }
 961
 962 /* Stop the interface */
 963 static void tsec_halt(struct eth_device *dev)
 964 {
 965         struct tsec_private *priv = (struct tsec_private *)dev->priv;
 966         volatile tsec_t *regs = priv->regs;
 967
 968         regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
 969         regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS);
 970
 971         while (!(regs->ievent & (IEVENT_GRSC | IEVENT_GTSC))) ;
 972
 973         regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);
 974
 975         /* Shut down the PHY, as needed */
 976         if(priv->phyinfo)
 977                 phy_run_commands(priv, priv->phyinfo->shutdown);
 978 }
 979
 980 struct phy_info phy_info_M88E1149S = {
 981         0x1410ca,
 982         "Marvell 88E1149S",
 983         4,
 984         (struct phy_cmd[]){     /* config */
 985                 /* Reset and configure the PHY */
 986                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
 987                 {0x1d, 0x1f, NULL},
 988                 {0x1e, 0x200c, NULL},
 989                 {0x1d, 0x5, NULL},
 990                 {0x1e, 0x0, NULL},
 991                 {0x1e, 0x100, NULL},
 992                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
 993                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
 994                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
 995                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
 996                 {miim_end,}
 997         },
 998         (struct phy_cmd[]){     /* startup */
 999                 /* Status is read once to clear old link state */
1000                 {MIIM_STATUS, miim_read, NULL},
1001                 /* Auto-negotiate */
1002                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1003                 /* Read the status */
1004                 {MIIM_88E1011_PHY_STATUS, miim_read,
1005                  &mii_parse_88E1011_psr},
1006                 {miim_end,}
1007         },
1008         (struct phy_cmd[]){     /* shutdown */
1009                 {miim_end,}
1010         },
1011 };
1012
1013 /* The 5411 id is 0x206070, the 5421 is 0x2060e0 */
1014 struct phy_info phy_info_BCM5461S = {
1015         0x02060c1,      /* 5461 ID */
1016         "Broadcom BCM5461S",
1017         0, /* not clear to me what minor revisions we can shift away */
1018         (struct phy_cmd[]) { /* config */
1019                 /* Reset and configure the PHY */
1020                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1021                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1022                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1023                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1024                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1025                 {miim_end,}
1026         },
1027         (struct phy_cmd[]) { /* startup */
1028                 /* Status is read once to clear old link state */
1029                 {MIIM_STATUS, miim_read, NULL},
1030                 /* Auto-negotiate */
1031                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1032                 /* Read the status */
1033                 {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
1034                 {miim_end,}
1035         },
1036         (struct phy_cmd[]) { /* shutdown */
1037                 {miim_end,}
1038         },
1039 };
1040
1041 struct phy_info phy_info_BCM5464S = {
1042         0x02060b1,      /* 5464 ID */
1043         "Broadcom BCM5464S",
1044         0, /* not clear to me what minor revisions we can shift away */
1045         (struct phy_cmd[]) { /* config */
1046                 /* Reset and configure the PHY */
1047                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1048                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1049                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1050                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1051                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
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                 /* Read the status */
1060                 {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
1061                 {miim_end,}
1062         },
1063         (struct phy_cmd[]) { /* shutdown */
1064                 {miim_end,}
1065         },
1066 };
1067
1068 struct phy_info phy_info_M88E1011S = {
1069         0x01410c6,
1070         "Marvell 88E1011S",
1071         4,
1072         (struct phy_cmd[]){     /* config */
1073                            /* Reset and configure the PHY */
1074                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1075                            {0x1d, 0x1f, NULL},
1076                            {0x1e, 0x200c, NULL},
1077                            {0x1d, 0x5, NULL},
1078                            {0x1e, 0x0, NULL},
1079                            {0x1e, 0x100, NULL},
1080                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1081                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1082                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1083                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1084                            {miim_end,}
1085                            },
1086         (struct phy_cmd[]){     /* startup */
1087                            /* Status is read once to clear old link state */
1088                            {MIIM_STATUS, miim_read, NULL},
1089                            /* Auto-negotiate */
1090                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1091                            /* Read the status */
1092                            {MIIM_88E1011_PHY_STATUS, miim_read,
1093                             &mii_parse_88E1011_psr},
1094                            {miim_end,}
1095                            },
1096         (struct phy_cmd[]){     /* shutdown */
1097                            {miim_end,}
1098                            },
1099 };
1100
1101 struct phy_info phy_info_M88E1111S = {
1102         0x01410cc,
1103         "Marvell 88E1111S",
1104         4,
1105         (struct phy_cmd[]){     /* config */
1106                            /* Reset and configure the PHY */
1107                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1108                            {0x1b, 0x848f, &mii_m88e1111s_setmode},
1109                            {0x14, 0x0cd2, NULL}, /* Delay RGMII TX and RX */
1110                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1111                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1112                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1113                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1114                            {miim_end,}
1115                            },
1116         (struct phy_cmd[]){     /* startup */
1117                            /* Status is read once to clear old link state */
1118                            {MIIM_STATUS, miim_read, NULL},
1119                            /* Auto-negotiate */
1120                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1121                            /* Read the status */
1122                            {MIIM_88E1011_PHY_STATUS, miim_read,
1123                             &mii_parse_88E1011_psr},
1124                            {miim_end,}
1125                            },
1126         (struct phy_cmd[]){     /* shutdown */
1127                            {miim_end,}
1128                            },
1129 };
1130
1131 static unsigned int m88e1145_setmode(uint mii_reg, struct tsec_private *priv)
1132 {
1133         uint mii_data = read_phy_reg(priv, mii_reg);
1134
1135         /* Setting MIIM_88E1145_PHY_EXT_CR */
1136         if (priv->flags & TSEC_REDUCED)
1137                 return mii_data |
1138                     MIIM_M88E1145_RGMII_RX_DELAY | MIIM_M88E1145_RGMII_TX_DELAY;
1139         else
1140                 return mii_data;
1141 }
1142
1143 static struct phy_info phy_info_M88E1145 = {
1144         0x01410cd,
1145         "Marvell 88E1145",
1146         4,
1147         (struct phy_cmd[]){     /* config */
1148                            /* Reset the PHY */
1149                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1150
1151                            /* Errata E0, E1 */
1152                            {29, 0x001b, NULL},
1153                            {30, 0x418f, NULL},
1154                            {29, 0x0016, NULL},
1155                            {30, 0xa2da, NULL},
1156
1157                            /* Configure the PHY */
1158                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1159                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1160                            {MIIM_88E1011_PHY_SCR, MIIM_88E1011_PHY_MDI_X_AUTO,
1161                             NULL},
1162                            {MIIM_88E1145_PHY_EXT_CR, 0, &m88e1145_setmode},
1163                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1164                            {MIIM_CONTROL, MIIM_CONTROL_INIT, NULL},
1165                            {miim_end,}
1166                            },
1167         (struct phy_cmd[]){     /* startup */
1168                            /* Status is read once to clear old link state */
1169                            {MIIM_STATUS, miim_read, NULL},
1170                            /* Auto-negotiate */
1171                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1172                            {MIIM_88E1111_PHY_LED_CONTROL,
1173                             MIIM_88E1111_PHY_LED_DIRECT, NULL},
1174                            /* Read the Status */
1175                            {MIIM_88E1011_PHY_STATUS, miim_read,
1176                             &mii_parse_88E1011_psr},
1177                            {miim_end,}
1178                            },
1179         (struct phy_cmd[]){     /* shutdown */
1180                            {miim_end,}
1181                            },
1182 };
1183
1184 struct phy_info phy_info_cis8204 = {
1185         0x3f11,
1186         "Cicada Cis8204",
1187         6,
1188         (struct phy_cmd[]){     /* config */
1189                            /* Override PHY config settings */
1190                            {MIIM_CIS8201_AUX_CONSTAT,
1191                             MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
1192                            /* Configure some basic stuff */
1193                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1194                            {MIIM_CIS8204_SLED_CON, MIIM_CIS8204_SLEDCON_INIT,
1195                             &mii_cis8204_fixled},
1196                            {MIIM_CIS8204_EPHY_CON, MIIM_CIS8204_EPHYCON_INIT,
1197                             &mii_cis8204_setmode},
1198                            {miim_end,}
1199                            },
1200         (struct phy_cmd[]){     /* startup */
1201                            /* Read the Status (2x to make sure link is right) */
1202                            {MIIM_STATUS, miim_read, NULL},
1203                            /* Auto-negotiate */
1204                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1205                            /* Read the status */
1206                            {MIIM_CIS8201_AUX_CONSTAT, miim_read,
1207                             &mii_parse_cis8201},
1208                            {miim_end,}
1209                            },
1210         (struct phy_cmd[]){     /* shutdown */
1211                            {miim_end,}
1212                            },
1213 };
1214
1215 /* Cicada 8201 */
1216 struct phy_info phy_info_cis8201 = {
1217         0xfc41,
1218         "CIS8201",
1219         4,
1220         (struct phy_cmd[]){     /* config */
1221                            /* Override PHY config settings */
1222                            {MIIM_CIS8201_AUX_CONSTAT,
1223                             MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
1224                            /* Set up the interface mode */
1225                            {MIIM_CIS8201_EXT_CON1, MIIM_CIS8201_EXTCON1_INIT,
1226                             NULL},
1227                            /* Configure some basic stuff */
1228                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1229                            {miim_end,}
1230                            },
1231         (struct phy_cmd[]){     /* startup */
1232                            /* Read the Status (2x to make sure link is right) */
1233                            {MIIM_STATUS, miim_read, NULL},
1234                            /* Auto-negotiate */
1235                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1236                            /* Read the status */
1237                            {MIIM_CIS8201_AUX_CONSTAT, miim_read,
1238                             &mii_parse_cis8201},
1239                            {miim_end,}
1240                            },
1241         (struct phy_cmd[]){     /* shutdown */
1242                            {miim_end,}
1243                            },
1244 };
1245 struct phy_info phy_info_VSC8244 = {
1246         0x3f1b,
1247         "Vitesse VSC8244",
1248         6,
1249         (struct phy_cmd[]){     /* config */
1250                            /* Override PHY config settings */
1251                            /* Configure some basic stuff */
1252                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1253                            {miim_end,}
1254                            },
1255         (struct phy_cmd[]){     /* startup */
1256                            /* Read the Status (2x to make sure link is right) */
1257                            {MIIM_STATUS, miim_read, NULL},
1258                            /* Auto-negotiate */
1259                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1260                            /* Read the status */
1261                            {MIIM_VSC8244_AUX_CONSTAT, miim_read,
1262                             &mii_parse_vsc8244},
1263                            {miim_end,}
1264                            },
1265         (struct phy_cmd[]){     /* shutdown */
1266                            {miim_end,}
1267                            },
1268 };
1269
1270 struct phy_info phy_info_VSC8601 = {
1271                 0x00007042,
1272                 "Vitesse VSC8601",
1273                 4,
1274                 (struct phy_cmd[]){     /* config */
1275                                 /* Override PHY config settings */
1276                                 /* Configure some basic stuff */
1277                                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1278 #ifdef CFG_VSC8601_SKEWFIX
1279                                 {MIIM_VSC8601_EPHY_CON,MIIM_VSC8601_EPHY_CON_INIT_SKEW,NULL},
1280 #endif
1281                                 {miim_end,}
1282                                  },
1283                 (struct phy_cmd[]){     /* startup */
1284                                 /* Read the Status (2x to make sure link is right) */
1285                                 {MIIM_STATUS, miim_read, NULL},
1286                                 /* Auto-negotiate */
1287                                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1288                                 /* Read the status */
1289                                 {MIIM_VSC8244_AUX_CONSTAT, miim_read,
1290                                                 &mii_parse_vsc8244},
1291                                 {miim_end,}
1292                                 },
1293                 (struct phy_cmd[]){     /* shutdown */
1294                                 {miim_end,}
1295                                 },
1296 };
1297
1298
1299 struct phy_info phy_info_dm9161 = {
1300         0x0181b88,
1301         "Davicom DM9161E",
1302         4,
1303         (struct phy_cmd[]){     /* config */
1304                            {MIIM_CONTROL, MIIM_DM9161_CR_STOP, NULL},
1305                            /* Do not bypass the scrambler/descrambler */
1306                            {MIIM_DM9161_SCR, MIIM_DM9161_SCR_INIT, NULL},
1307                            /* Clear 10BTCSR to default */
1308                            {MIIM_DM9161_10BTCSR, MIIM_DM9161_10BTCSR_INIT,
1309                             NULL},
1310                            /* Configure some basic stuff */
1311                            {MIIM_CONTROL, MIIM_CR_INIT, NULL},
1312                            /* Restart Auto Negotiation */
1313                            {MIIM_CONTROL, MIIM_DM9161_CR_RSTAN, NULL},
1314                            {miim_end,}
1315                            },
1316         (struct phy_cmd[]){     /* startup */
1317                            /* Status is read once to clear old link state */
1318                            {MIIM_STATUS, miim_read, NULL},
1319                            /* Auto-negotiate */
1320                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1321                            /* Read the status */
1322                            {MIIM_DM9161_SCSR, miim_read,
1323                             &mii_parse_dm9161_scsr},
1324                            {miim_end,}
1325                            },
1326         (struct phy_cmd[]){     /* shutdown */
1327                            {miim_end,}
1328                            },
1329 };
1330 /* a generic flavor.  */
1331 struct phy_info phy_info_generic =  {
1332         0,
1333         "Unknown/Generic PHY",
1334         32,
1335         (struct phy_cmd[]) { /* config */
1336                 {PHY_BMCR, PHY_BMCR_RESET, NULL},
1337                 {PHY_BMCR, PHY_BMCR_AUTON|PHY_BMCR_RST_NEG, NULL},
1338                 {miim_end,}
1339         },
1340         (struct phy_cmd[]) { /* startup */
1341                 {PHY_BMSR, miim_read, NULL},
1342                 {PHY_BMSR, miim_read, &mii_parse_sr},
1343                 {PHY_BMSR, miim_read, &mii_parse_link},
1344                 {miim_end,}
1345         },
1346         (struct phy_cmd[]) { /* shutdown */
1347                 {miim_end,}
1348         }
1349 };
1350
1351
1352 uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv)
1353 {
1354         unsigned int speed;
1355         if (priv->link) {
1356                 speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK;
1357
1358                 switch (speed) {
1359                 case MIIM_LXT971_SR2_10HDX:
1360                         priv->speed = 10;
1361                         priv->duplexity = 0;
1362                         break;
1363                 case MIIM_LXT971_SR2_10FDX:
1364                         priv->speed = 10;
1365                         priv->duplexity = 1;
1366                         break;
1367                 case MIIM_LXT971_SR2_100HDX:
1368                         priv->speed = 100;
1369                         priv->duplexity = 0;
1370                         break;
1371                 default:
1372                         priv->speed = 100;
1373                         priv->duplexity = 1;
1374                 }
1375         } else {
1376                 priv->speed = 0;
1377                 priv->duplexity = 0;
1378         }
1379
1380         return 0;
1381 }
1382
1383 static struct phy_info phy_info_lxt971 = {
1384         0x0001378e,
1385         "LXT971",
1386         4,
1387         (struct phy_cmd[]){     /* config */
1388                            {MIIM_CR, MIIM_CR_INIT, mii_cr_init},        /* autonegotiate */
1389                            {miim_end,}
1390                            },
1391         (struct phy_cmd[]){     /* startup - enable interrupts */
1392                            /* { 0x12, 0x00f2, NULL }, */
1393                            {MIIM_STATUS, miim_read, NULL},
1394                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1395                            {MIIM_LXT971_SR2, miim_read, &mii_parse_lxt971_sr2},
1396                            {miim_end,}
1397                            },
1398         (struct phy_cmd[]){     /* shutdown - disable interrupts */
1399                            {miim_end,}
1400                            },
1401 };
1402
1403 /* Parse the DP83865's link and auto-neg status register for speed and duplex
1404  * information
1405  */
1406 uint mii_parse_dp83865_lanr(uint mii_reg, struct tsec_private *priv)
1407 {
1408         switch (mii_reg & MIIM_DP83865_SPD_MASK) {
1409
1410         case MIIM_DP83865_SPD_1000:
1411                 priv->speed = 1000;
1412                 break;
1413
1414         case MIIM_DP83865_SPD_100:
1415                 priv->speed = 100;
1416                 break;
1417
1418         default:
1419                 priv->speed = 10;
1420                 break;
1421
1422         }
1423
1424         if (mii_reg & MIIM_DP83865_DPX_FULL)
1425                 priv->duplexity = 1;
1426         else
1427                 priv->duplexity = 0;
1428
1429         return 0;
1430 }
1431
1432 struct phy_info phy_info_dp83865 = {
1433         0x20005c7,
1434         "NatSemi DP83865",
1435         4,
1436         (struct phy_cmd[]){     /* config */
1437                            {MIIM_CONTROL, MIIM_DP83865_CR_INIT, NULL},
1438                            {miim_end,}
1439                            },
1440         (struct phy_cmd[]){     /* startup */
1441                            /* Status is read once to clear old link state */
1442                            {MIIM_STATUS, miim_read, NULL},
1443                            /* Auto-negotiate */
1444                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1445                            /* Read the link and auto-neg status */
1446                            {MIIM_DP83865_LANR, miim_read,
1447                             &mii_parse_dp83865_lanr},
1448                            {miim_end,}
1449                            },
1450         (struct phy_cmd[]){     /* shutdown */
1451                            {miim_end,}
1452                            },
1453 };
1454
1455 struct phy_info phy_info_rtl8211b = {
1456         0x001cc91,
1457         "RealTek RTL8211B",
1458         4,
1459         (struct phy_cmd[]){     /* config */
1460                 /* Reset and configure the PHY */
1461                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1462                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1463                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1464                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1465                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1466                 {miim_end,}
1467         },
1468         (struct phy_cmd[]){     /* startup */
1469                 /* Status is read once to clear old link state */
1470                 {MIIM_STATUS, miim_read, NULL},
1471                 /* Auto-negotiate */
1472                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1473                 /* Read the status */
1474                 {MIIM_RTL8211B_PHY_STATUS, miim_read, &mii_parse_RTL8211B_sr},
1475                 {miim_end,}
1476         },
1477         (struct phy_cmd[]){     /* shutdown */
1478                 {miim_end,}
1479         },
1480 };
1481
1482 struct phy_info *phy_info[] = {
1483         &phy_info_cis8204,
1484         &phy_info_cis8201,
1485         &phy_info_BCM5461S,
1486         &phy_info_BCM5464S,
1487         &phy_info_M88E1011S,
1488         &phy_info_M88E1111S,
1489         &phy_info_M88E1145,
1490         &phy_info_M88E1149S,
1491         &phy_info_dm9161,
1492         &phy_info_lxt971,
1493         &phy_info_VSC8244,
1494         &phy_info_VSC8601,
1495         &phy_info_dp83865,
1496         &phy_info_rtl8211b,
1497         &phy_info_generic,
1498         NULL
1499 };
1500
1501 /* Grab the identifier of the device's PHY, and search through
1502  * all of the known PHYs to see if one matches.  If so, return
1503  * it, if not, return NULL
1504  */
1505 struct phy_info *get_phy_info(struct eth_device *dev)
1506 {
1507         struct tsec_private *priv = (struct tsec_private *)dev->priv;
1508         uint phy_reg, phy_ID;
1509         int i;
1510         struct phy_info *theInfo = NULL;
1511
1512         /* Grab the bits from PHYIR1, and put them in the upper half */
1513         phy_reg = read_phy_reg(priv, MIIM_PHYIR1);
1514         phy_ID = (phy_reg & 0xffff) << 16;
1515
1516         /* Grab the bits from PHYIR2, and put them in the lower half */
1517         phy_reg = read_phy_reg(priv, MIIM_PHYIR2);
1518         phy_ID |= (phy_reg & 0xffff);
1519
1520         /* loop through all the known PHY types, and find one that */
1521         /* matches the ID we read from the PHY. */
1522         for (i = 0; phy_info[i]; i++) {
1523                 if (phy_info[i]->id == (phy_ID >> phy_info[i]->shift)) {
1524                         theInfo = phy_info[i];
1525                         break;
1526                 }
1527         }
1528
1529         if (theInfo == NULL) {
1530                 printf("%s: PHY id %x is not supported!\n", dev->name, phy_ID);
1531                 return NULL;
1532         } else {
1533                 debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID);
1534         }
1535
1536         return theInfo;
1537 }
1538
1539 /* Execute the given series of commands on the given device's
1540  * PHY, running functions as necessary
1541  */
1542 void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd)
1543 {
1544         int i;
1545         uint result;
1546         volatile tsec_t *phyregs = priv->phyregs;
1547
1548         phyregs->miimcfg = MIIMCFG_RESET;
1549
1550         phyregs->miimcfg = MIIMCFG_INIT_VALUE;
1551
1552         while (phyregs->miimind & MIIMIND_BUSY) ;
1553
1554         for (i = 0; cmd->mii_reg != miim_end; i++) {
1555                 if (cmd->mii_data == miim_read) {
1556                         result = read_phy_reg(priv, cmd->mii_reg);
1557
1558                         if (cmd->funct != NULL)
1559                                 (*(cmd->funct)) (result, priv);
1560
1561                 } else {
1562                         if (cmd->funct != NULL)
1563                                 result = (*(cmd->funct)) (cmd->mii_reg, priv);
1564                         else
1565                                 result = cmd->mii_data;
1566
1567                         write_phy_reg(priv, cmd->mii_reg, result);
1568
1569                 }
1570                 cmd++;
1571         }
1572 }
1573
1574 /* Relocate the function pointers in the phy cmd lists */
1575 static void relocate_cmds(void)
1576 {
1577         struct phy_cmd **cmdlistptr;
1578         struct phy_cmd *cmd;
1579         int i, j, k;
1580
1581         for (i = 0; phy_info[i]; i++) {
1582                 /* First thing's first: relocate the pointers to the
1583                  * PHY command structures (the structs were done) */
1584                 phy_info[i] = (struct phy_info *)((uint) phy_info[i]
1585                                                   + gd->reloc_off);
1586                 phy_info[i]->name += gd->reloc_off;
1587                 phy_info[i]->config =
1588                     (struct phy_cmd *)((uint) phy_info[i]->config
1589                                        + gd->reloc_off);
1590                 phy_info[i]->startup =
1591                     (struct phy_cmd *)((uint) phy_info[i]->startup
1592                                        + gd->reloc_off);
1593                 phy_info[i]->shutdown =
1594                     (struct phy_cmd *)((uint) phy_info[i]->shutdown
1595                                        + gd->reloc_off);
1596
1597                 cmdlistptr = &phy_info[i]->config;
1598                 j = 0;
1599                 for (; cmdlistptr <= &phy_info[i]->shutdown; cmdlistptr++) {
1600                         k = 0;
1601                         for (cmd = *cmdlistptr;
1602                              cmd->mii_reg != miim_end;
1603                              cmd++) {
1604                                 /* Only relocate non-NULL pointers */
1605                                 if (cmd->funct)
1606                                         cmd->funct += gd->reloc_off;
1607
1608                                 k++;
1609                         }
1610                         j++;
1611                 }
1612         }
1613
1614         relocated = 1;
1615 }
1616
1617 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
1618         && !defined(BITBANGMII)
1619
1620 /*
1621  * Read a MII PHY register.
1622  *
1623  * Returns:
1624  *  0 on success
1625  */
1626 static int tsec_miiphy_read(char *devname, unsigned char addr,
1627                             unsigned char reg, unsigned short *value)
1628 {
1629         unsigned short ret;
1630         struct tsec_private *priv = privlist[0];
1631
1632         if (NULL == priv) {
1633                 printf("Can't read PHY at address %d\n", addr);
1634                 return -1;
1635         }
1636
1637         ret = (unsigned short)read_any_phy_reg(priv, addr, reg);
1638         *value = ret;
1639
1640         return 0;
1641 }
1642
1643 /*
1644  * Write a MII PHY register.
1645  *
1646  * Returns:
1647  *  0 on success
1648  */
1649 static int tsec_miiphy_write(char *devname, unsigned char addr,
1650                              unsigned char reg, unsigned short value)
1651 {
1652         struct tsec_private *priv = privlist[0];
1653
1654         if (NULL == priv) {
1655                 printf("Can't write PHY at address %d\n", addr);
1656                 return -1;
1657         }
1658
1659         write_any_phy_reg(priv, addr, reg, value);
1660
1661         return 0;
1662 }
1663
1664 #endif
1665
1666 #ifdef CONFIG_MCAST_TFTP
1667
1668 /* CREDITS: linux gianfar driver, slightly adjusted... thanx. */
1669
1670 /* Set the appropriate hash bit for the given addr */
1671
1672 /* The algorithm works like so:
1673  * 1) Take the Destination Address (ie the multicast address), and
1674  * do a CRC on it (little endian), and reverse the bits of the
1675  * result.
1676  * 2) Use the 8 most significant bits as a hash into a 256-entry
1677  * table.  The table is controlled through 8 32-bit registers:
1678  * gaddr0-7.  gaddr0's MSB is entry 0, and gaddr7's LSB is
1679  * gaddr7.  This means that the 3 most significant bits in the
1680  * hash index which gaddr register to use, and the 5 other bits
1681  * indicate which bit (assuming an IBM numbering scheme, which
1682  * for PowerPC (tm) is usually the case) in the tregister holds
1683  * the entry. */
1684 static int
1685 tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set)
1686 {
1687  struct tsec_private *priv = privlist[1];
1688  volatile tsec_t *regs = priv->regs;
1689  volatile u32  *reg_array, value;
1690  u8 result, whichbit, whichreg;
1691
1692         result = (u8)((ether_crc(MAC_ADDR_LEN,mcast_mac) >> 24) & 0xff);
1693         whichbit = result & 0x1f;       /* the 5 LSB = which bit to set */
1694         whichreg = result >> 5;         /* the 3 MSB = which reg to set it in */
1695         value = (1 << (31-whichbit));
1696
1697         reg_array = &(regs->hash.gaddr0);
1698
1699         if (set) {
1700                 reg_array[whichreg] |= value;
1701         } else {
1702                 reg_array[whichreg] &= ~value;
1703         }
1704         return 0;
1705 }
1706 #endif /* Multicast TFTP ? */
1707
1708 #endif /* CONFIG_TSEC_ENET */