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