drivers/net/vsc9953.c

   1 /*
   2  *  Copyright 2014 Freescale Semiconductor, Inc.
   3  *
   4  *  SPDX-License-Identifier:      GPL-2.0+
   5  *
   6  *  Driver for the Vitesse VSC9953 L2 Switch
   7  */
   8
   9 #include <asm/io.h>
  10 #include <asm/fsl_serdes.h>
  11 #include <fm_eth.h>
  12 #include <fsl_memac.h>
  13 #include <bitfield.h>
  14 #include <errno.h>
  15 #include <malloc.h>
  16 #include <vsc9953.h>
  17 #include <ethsw.h>
  18
  19 static struct vsc9953_info vsc9953_l2sw = {
  20                 .port[0] = VSC9953_PORT_INFO_INITIALIZER(0),
  21                 .port[1] = VSC9953_PORT_INFO_INITIALIZER(1),
  22                 .port[2] = VSC9953_PORT_INFO_INITIALIZER(2),
  23                 .port[3] = VSC9953_PORT_INFO_INITIALIZER(3),
  24                 .port[4] = VSC9953_PORT_INFO_INITIALIZER(4),
  25                 .port[5] = VSC9953_PORT_INFO_INITIALIZER(5),
  26                 .port[6] = VSC9953_PORT_INFO_INITIALIZER(6),
  27                 .port[7] = VSC9953_PORT_INFO_INITIALIZER(7),
  28                 .port[8] = VSC9953_PORT_INFO_INITIALIZER(8),
  29                 .port[9] = VSC9953_PORT_INFO_INITIALIZER(9),
  30 };
  31
  32 void vsc9953_port_info_set_mdio(int port_no, struct mii_dev *bus)
  33 {
  34         if (!VSC9953_PORT_CHECK(port_no))
  35                 return;
  36
  37         vsc9953_l2sw.port[port_no].bus = bus;
  38 }
  39
  40 void vsc9953_port_info_set_phy_address(int port_no, int address)
  41 {
  42         if (!VSC9953_PORT_CHECK(port_no))
  43                 return;
  44
  45         vsc9953_l2sw.port[port_no].phyaddr = address;
  46 }
  47
  48 void vsc9953_port_info_set_phy_int(int port_no, phy_interface_t phy_int)
  49 {
  50         if (!VSC9953_PORT_CHECK(port_no))
  51                 return;
  52
  53         vsc9953_l2sw.port[port_no].enet_if = phy_int;
  54 }
  55
  56 void vsc9953_port_enable(int port_no)
  57 {
  58         if (!VSC9953_PORT_CHECK(port_no))
  59                 return;
  60
  61         vsc9953_l2sw.port[port_no].enabled = 1;
  62 }
  63
  64 void vsc9953_port_disable(int port_no)
  65 {
  66         if (!VSC9953_PORT_CHECK(port_no))
  67                 return;
  68
  69         vsc9953_l2sw.port[port_no].enabled = 0;
  70 }
  71
  72 static void vsc9953_mdio_write(struct vsc9953_mii_mng *phyregs, int port_addr,
  73                 int regnum, int value)
  74 {
  75         int timeout = 50000;
  76
  77         out_le32(&phyregs->miimcmd, (0x1 << 31) | ((port_addr & 0x1f) << 25) |
  78                         ((regnum & 0x1f) << 20) | ((value & 0xffff) << 4) |
  79                         (0x1 << 1));
  80         asm("sync");
  81
  82         while ((in_le32(&phyregs->miimstatus) & 0x8) && --timeout)
  83                 udelay(1);
  84
  85         if (timeout == 0)
  86                 debug("Timeout waiting for MDIO write\n");
  87 }
  88
  89 static int vsc9953_mdio_read(struct vsc9953_mii_mng *phyregs, int port_addr,
  90                 int regnum)
  91 {
  92         int value = 0xFFFF;
  93         int timeout = 50000;
  94
  95         while ((in_le32(&phyregs->miimstatus) & MIIMIND_OPR_PEND) && --timeout)
  96                 udelay(1);
  97         if (timeout == 0) {
  98                 debug("Timeout waiting for MDIO operation to finish\n");
  99                 return value;
 100         }
 101
 102         /* Put the address of the phy, and the register
 103          * number into MIICMD
 104          */
 105         out_le32(&phyregs->miimcmd, (0x1 << 31) | ((port_addr & 0x1f) << 25) |
 106                         ((regnum & 0x1f) << 20) | ((value & 0xffff) << 4) |
 107                         (0x2 << 1));
 108
 109         timeout = 50000;
 110         /* Wait for the the indication that the read is done */
 111         while ((in_le32(&phyregs->miimstatus) & 0x8) && --timeout)
 112                 udelay(1);
 113         if (timeout == 0)
 114                 debug("Timeout waiting for MDIO read\n");
 115
 116         /* Grab the value read from the PHY */
 117         value = in_le32(&phyregs->miimdata);
 118
 119         if ((value & 0x00030000) == 0)
 120                 return value & 0x0000ffff;
 121
 122         return value;
 123 }
 124
 125 static int init_phy(struct eth_device *dev)
 126 {
 127         struct vsc9953_port_info *l2sw_port = dev->priv;
 128         struct phy_device *phydev = NULL;
 129
 130 #ifdef CONFIG_PHYLIB
 131         if (!l2sw_port->bus)
 132                 return 0;
 133         phydev = phy_connect(l2sw_port->bus, l2sw_port->phyaddr, dev,
 134                         l2sw_port->enet_if);
 135         if (!phydev) {
 136                 printf("Failed to connect\n");
 137                 return -1;
 138         }
 139
 140         phydev->supported &= SUPPORTED_10baseT_Half |
 141                         SUPPORTED_10baseT_Full |
 142                         SUPPORTED_100baseT_Half |
 143                         SUPPORTED_100baseT_Full |
 144                         SUPPORTED_1000baseT_Full;
 145         phydev->advertising = phydev->supported;
 146
 147         l2sw_port->phydev = phydev;
 148
 149         phy_config(phydev);
 150 #endif
 151
 152         return 0;
 153 }
 154
 155 static int vsc9953_port_init(int port_no)
 156 {
 157         struct eth_device *dev;
 158
 159         /* Internal ports never have a PHY */
 160         if (VSC9953_INTERNAL_PORT_CHECK(port_no))
 161                 return 0;
 162
 163         /* alloc eth device */
 164         dev = (struct eth_device *)calloc(1, sizeof(struct eth_device));
 165         if (!dev)
 166                 return -ENOMEM;
 167
 168         sprintf(dev->name, "SW@PORT%d", port_no);
 169         dev->priv = &vsc9953_l2sw.port[port_no];
 170         dev->init = NULL;
 171         dev->halt = NULL;
 172         dev->send = NULL;
 173         dev->recv = NULL;
 174
 175         if (init_phy(dev)) {
 176                 free(dev);
 177                 return -ENODEV;
 178         }
 179
 180         return 0;
 181 }
 182
 183 static int vsc9953_vlan_table_poll_idle(void)
 184 {
 185         struct vsc9953_analyzer *l2ana_reg;
 186         int timeout;
 187
 188         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 189                         VSC9953_ANA_OFFSET);
 190
 191         timeout = 50000;
 192         while (((in_le32(&l2ana_reg->ana_tables.vlan_access) &
 193                  VSC9953_VLAN_CMD_MASK) != VSC9953_VLAN_CMD_IDLE) && --timeout)
 194                 udelay(1);
 195
 196         return timeout ? 0 : -EBUSY;
 197 }
 198
 199 #ifdef CONFIG_CMD_ETHSW
 200 /* Add/remove a port to/from a VLAN */
 201 static void vsc9953_vlan_table_membership_set(int vid, u32 port_no, u8 add)
 202 {
 203         u32 val;
 204         struct vsc9953_analyzer *l2ana_reg;
 205
 206         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 207                         VSC9953_ANA_OFFSET);
 208
 209         if (vsc9953_vlan_table_poll_idle() < 0) {
 210                 debug("VLAN table timeout\n");
 211                 return;
 212         }
 213
 214         val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
 215         val = bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid);
 216         out_le32(&l2ana_reg->ana_tables.vlan_tidx, val);
 217
 218         clrsetbits_le32(&l2ana_reg->ana_tables.vlan_access,
 219                         VSC9953_VLAN_CMD_MASK, VSC9953_VLAN_CMD_READ);
 220
 221         if (vsc9953_vlan_table_poll_idle() < 0) {
 222                 debug("VLAN table timeout\n");
 223                 return;
 224         }
 225
 226         val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
 227         val = bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid);
 228         out_le32(&l2ana_reg->ana_tables.vlan_tidx, val);
 229
 230         val = in_le32(&l2ana_reg->ana_tables.vlan_access);
 231         if (!add) {
 232                 val = bitfield_replace_by_mask(val, VSC9953_VLAN_CMD_MASK,
 233                                                 VSC9953_VLAN_CMD_WRITE) &
 234                       ~(bitfield_replace_by_mask(0, VSC9953_VLAN_PORT_MASK,
 235                                                  (1 << port_no)));
 236                  ;
 237         } else {
 238                 val = bitfield_replace_by_mask(val, VSC9953_VLAN_CMD_MASK,
 239                                                 VSC9953_VLAN_CMD_WRITE) |
 240                       bitfield_replace_by_mask(0, VSC9953_VLAN_PORT_MASK,
 241                                                (1 << port_no));
 242         }
 243         out_le32(&l2ana_reg->ana_tables.vlan_access, val);
 244
 245         /* wait for VLAN table command to flush */
 246         if (vsc9953_vlan_table_poll_idle() < 0) {
 247                 debug("VLAN table timeout\n");
 248                 return;
 249         }
 250 }
 251
 252 /* show VLAN membership for a port */
 253 static void vsc9953_vlan_membership_show(int port_no)
 254 {
 255         u32 val;
 256         struct vsc9953_analyzer *l2ana_reg;
 257         u32 vid;
 258
 259         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 260                         VSC9953_ANA_OFFSET);
 261
 262         printf("Port %d VLAN membership: ", port_no);
 263
 264         for (vid = 0; vid < VSC9953_MAX_VLAN; vid++) {
 265                 if (vsc9953_vlan_table_poll_idle() < 0) {
 266                         debug("VLAN table timeout\n");
 267                         return;
 268                 }
 269
 270                 val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
 271                 val = bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK,
 272                                                vid);
 273                 out_le32(&l2ana_reg->ana_tables.vlan_tidx, val);
 274
 275                 clrsetbits_le32(&l2ana_reg->ana_tables.vlan_access,
 276                                 VSC9953_VLAN_CMD_MASK, VSC9953_VLAN_CMD_READ);
 277
 278                 if (vsc9953_vlan_table_poll_idle() < 0) {
 279                         debug("VLAN table timeout\n");
 280                         return;
 281                 }
 282
 283                 val = in_le32(&l2ana_reg->ana_tables.vlan_access);
 284
 285                 if (bitfield_extract_by_mask(val, VSC9953_VLAN_PORT_MASK) &
 286                     (1 << port_no))
 287                         printf("%d ", vid);
 288         }
 289         printf("\n");
 290 }
 291 #endif
 292
 293 /* vlan table set/clear all membership of vid */
 294 static void vsc9953_vlan_table_membership_all_set(int vid, int set_member)
 295 {
 296         uint val;
 297         struct vsc9953_analyzer *l2ana_reg;
 298
 299         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 300                         VSC9953_ANA_OFFSET);
 301
 302         if (vsc9953_vlan_table_poll_idle() < 0) {
 303                 debug("VLAN table timeout\n");
 304                 return;
 305         }
 306
 307         /* read current vlan configuration */
 308         val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
 309         out_le32(&l2ana_reg->ana_tables.vlan_tidx,
 310                  bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid));
 311
 312         clrsetbits_le32(&l2ana_reg->ana_tables.vlan_access,
 313                         VSC9953_VLAN_CMD_MASK, VSC9953_VLAN_CMD_READ);
 314
 315         if (vsc9953_vlan_table_poll_idle() < 0) {
 316                 debug("VLAN table timeout\n");
 317                 return;
 318         }
 319
 320         val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
 321         out_le32(&l2ana_reg->ana_tables.vlan_tidx,
 322                  bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid));
 323
 324         clrsetbits_le32(&l2ana_reg->ana_tables.vlan_access,
 325                         VSC9953_VLAN_PORT_MASK | VSC9953_VLAN_CMD_MASK,
 326                         VSC9953_VLAN_CMD_WRITE |
 327                         (set_member ? VSC9953_VLAN_PORT_MASK : 0));
 328 }
 329
 330 #ifdef CONFIG_CMD_ETHSW
 331 /* Get PVID of a VSC9953 port */
 332 static int vsc9953_port_vlan_pvid_get(int port_nr, int *pvid)
 333 {
 334         u32 val;
 335         struct vsc9953_analyzer *l2ana_reg;
 336
 337         /* Administrative down */
 338         if (vsc9953_l2sw.port[port_nr].enabled) {
 339                 printf("Port %d is administrative down\n", port_nr);
 340                 return -1;
 341         }
 342
 343         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 344                                 VSC9953_ANA_OFFSET);
 345
 346         /* Get ingress PVID */
 347         val = in_le32(&l2ana_reg->port[port_nr].vlan_cfg);
 348         *pvid = bitfield_extract_by_mask(val, VSC9953_VLAN_CFG_VID_MASK);
 349
 350         return 0;
 351 }
 352 #endif
 353
 354 /* Set PVID for a VSC9953 port */
 355 static void vsc9953_port_vlan_pvid_set(int port_no, int pvid)
 356 {
 357         uint val;
 358         struct vsc9953_analyzer *l2ana_reg;
 359         struct vsc9953_rew_reg *l2rew_reg;
 360
 361         /* Administrative down */
 362         if (!vsc9953_l2sw.port[port_no].enabled) {
 363                 printf("Port %d is administrative down\n", port_no);
 364                 return;
 365         }
 366
 367         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 368                         VSC9953_ANA_OFFSET);
 369         l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
 370                         VSC9953_REW_OFFSET);
 371
 372         /* Set PVID on ingress */
 373         val = in_le32(&l2ana_reg->port[port_no].vlan_cfg);
 374         val = bitfield_replace_by_mask(val, VSC9953_VLAN_CFG_VID_MASK, pvid);
 375         out_le32(&l2ana_reg->port[port_no].vlan_cfg, val);
 376
 377         /* Set PVID on egress */
 378         val = in_le32(&l2rew_reg->port[port_no].port_vlan_cfg);
 379         val = bitfield_replace_by_mask(val, VSC9953_PORT_VLAN_CFG_VID_MASK,
 380                                        pvid);
 381         out_le32(&l2rew_reg->port[port_no].port_vlan_cfg, val);
 382 }
 383
 384 static void vsc9953_port_all_vlan_pvid_set(int pvid)
 385 {
 386         int i;
 387
 388         for (i = 0; i < VSC9953_MAX_PORTS; i++)
 389                 vsc9953_port_vlan_pvid_set(i, pvid);
 390 }
 391
 392 /* Enable/disable vlan aware of a VSC9953 port */
 393 static void vsc9953_port_vlan_aware_set(int port_no, int enabled)
 394 {
 395         struct vsc9953_analyzer *l2ana_reg;
 396
 397         /* Administrative down */
 398         if (!vsc9953_l2sw.port[port_no].enabled) {
 399                 printf("Port %d is administrative down\n", port_no);
 400                 return;
 401         }
 402
 403         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 404                         VSC9953_ANA_OFFSET);
 405
 406         if (enabled)
 407                 setbits_le32(&l2ana_reg->port[port_no].vlan_cfg,
 408                              VSC9953_VLAN_CFG_AWARE_ENA);
 409         else
 410                 clrbits_le32(&l2ana_reg->port[port_no].vlan_cfg,
 411                              VSC9953_VLAN_CFG_AWARE_ENA);
 412 }
 413
 414 /* Set all VSC9953 ports' vlan aware  */
 415 static void vsc9953_port_all_vlan_aware_set(int enabled)
 416 {
 417         int i;
 418
 419         for (i = 0; i < VSC9953_MAX_PORTS; i++)
 420                 vsc9953_port_vlan_aware_set(i, enabled);
 421 }
 422
 423 /* Enable/disable vlan pop count of a VSC9953 port */
 424 static void vsc9953_port_vlan_popcnt_set(int port_no, int popcnt)
 425 {
 426         uint val;
 427         struct vsc9953_analyzer *l2ana_reg;
 428
 429         /* Administrative down */
 430         if (!vsc9953_l2sw.port[port_no].enabled) {
 431                 printf("Port %d is administrative down\n", port_no);
 432                 return;
 433         }
 434
 435         if (popcnt > 3 || popcnt < 0) {
 436                 printf("Invalid pop count value: %d\n", port_no);
 437                 return;
 438         }
 439
 440         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 441                         VSC9953_ANA_OFFSET);
 442
 443         val = in_le32(&l2ana_reg->port[port_no].vlan_cfg);
 444         val = bitfield_replace_by_mask(val, VSC9953_VLAN_CFG_POP_CNT_MASK,
 445                                        popcnt);
 446         out_le32(&l2ana_reg->port[port_no].vlan_cfg, val);
 447 }
 448
 449 /* Set all VSC9953 ports' pop count  */
 450 static void vsc9953_port_all_vlan_poncnt_set(int popcnt)
 451 {
 452         int i;
 453
 454         for (i = 0; i < VSC9953_MAX_PORTS; i++)
 455                 vsc9953_port_vlan_popcnt_set(i, popcnt);
 456 }
 457
 458 /* Enable/disable learning for frames dropped due to ingress filtering */
 459 static void vsc9953_vlan_ingr_fltr_learn_drop(int enable)
 460 {
 461         struct vsc9953_analyzer *l2ana_reg;
 462
 463         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 464                         VSC9953_ANA_OFFSET);
 465
 466         if (enable)
 467                 setbits_le32(&l2ana_reg->ana.adv_learn, VSC9953_VLAN_CHK);
 468         else
 469                 clrbits_le32(&l2ana_reg->ana.adv_learn, VSC9953_VLAN_CHK);
 470 }
 471
 472 /* Egress untag modes of a VSC9953 port */
 473 enum egress_untag_mode {
 474         EGRESS_UNTAG_ALL = 0,
 475         EGRESS_UNTAG_PVID_AND_ZERO,
 476         EGRESS_UNTAG_ZERO,
 477         EGRESS_UNTAG_NONE,
 478 };
 479
 480 #ifdef CONFIG_CMD_ETHSW
 481 /* Get egress tagging configuration for a VSC9953 port */
 482 static int vsc9953_port_vlan_egr_untag_get(int port_no,
 483                                            enum egress_untag_mode *mode)
 484 {
 485         u32 val;
 486         struct vsc9953_rew_reg *l2rew_reg;
 487
 488         /* Administrative down */
 489         if (!vsc9953_l2sw.port[port_no].enabled) {
 490                 printf("Port %d is administrative down\n", port_no);
 491                 return -1;
 492         }
 493
 494         l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
 495                         VSC9953_REW_OFFSET);
 496
 497         val = in_le32(&l2rew_reg->port[port_no].port_tag_cfg);
 498
 499         switch (val & VSC9953_TAG_CFG_MASK) {
 500         case VSC9953_TAG_CFG_NONE:
 501                 *mode = EGRESS_UNTAG_ALL;
 502                 return 0;
 503         case VSC9953_TAG_CFG_ALL_BUT_PVID_ZERO:
 504                 *mode = EGRESS_UNTAG_PVID_AND_ZERO;
 505                 return 0;
 506         case VSC9953_TAG_CFG_ALL_BUT_ZERO:
 507                 *mode = EGRESS_UNTAG_ZERO;
 508                 return 0;
 509         case VSC9953_TAG_CFG_ALL:
 510                 *mode = EGRESS_UNTAG_NONE;
 511                 return 0;
 512         default:
 513                 printf("Unknown egress tagging configuration for port %d\n",
 514                        port_no);
 515                 return -1;
 516         }
 517 }
 518
 519 /* Show egress tagging configuration for a VSC9953 port */
 520 static void vsc9953_port_vlan_egr_untag_show(int port_no)
 521 {
 522         enum egress_untag_mode mode;
 523
 524         if (vsc9953_port_vlan_egr_untag_get(port_no, &mode)) {
 525                 printf("%7d\t%17s\n", port_no, "-");
 526                 return;
 527         }
 528
 529         printf("%7d\t", port_no);
 530         switch (mode) {
 531         case EGRESS_UNTAG_ALL:
 532                 printf("%17s\n", "all");
 533                 break;
 534         case EGRESS_UNTAG_NONE:
 535                 printf("%17s\n", "none");
 536                 break;
 537         case EGRESS_UNTAG_PVID_AND_ZERO:
 538                 printf("%17s\n", "PVID and 0");
 539                 break;
 540         case EGRESS_UNTAG_ZERO:
 541                 printf("%17s\n", "0");
 542                 break;
 543         default:
 544                 printf("%17s\n", "-");
 545         }
 546 }
 547 #endif
 548
 549 static void vsc9953_port_vlan_egr_untag_set(int port_no,
 550                                             enum egress_untag_mode mode)
 551 {
 552         struct vsc9953_rew_reg *l2rew_reg;
 553
 554         /* Administrative down */
 555         if (!vsc9953_l2sw.port[port_no].enabled) {
 556                 printf("Port %d is administrative down\n", port_no);
 557                 return;
 558         }
 559
 560         l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
 561                         VSC9953_REW_OFFSET);
 562
 563         switch (mode) {
 564         case EGRESS_UNTAG_ALL:
 565                 clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
 566                                 VSC9953_TAG_CFG_MASK, VSC9953_TAG_CFG_NONE);
 567                 break;
 568         case EGRESS_UNTAG_PVID_AND_ZERO:
 569                 clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
 570                                 VSC9953_TAG_CFG_MASK,
 571                                 VSC9953_TAG_CFG_ALL_BUT_PVID_ZERO);
 572                 break;
 573         case EGRESS_UNTAG_ZERO:
 574                 clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
 575                                 VSC9953_TAG_CFG_MASK,
 576                                 VSC9953_TAG_CFG_ALL_BUT_ZERO);
 577                 break;
 578         case EGRESS_UNTAG_NONE:
 579                 clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
 580                                 VSC9953_TAG_CFG_MASK, VSC9953_TAG_CFG_ALL);
 581                 break;
 582         default:
 583                 printf("Unknown untag mode for port %d\n", port_no);
 584         }
 585 }
 586
 587 static void vsc9953_port_all_vlan_egress_untagged_set(
 588                 enum egress_untag_mode mode)
 589 {
 590         int i;
 591
 592         for (i = 0; i < VSC9953_MAX_PORTS; i++)
 593                 vsc9953_port_vlan_egr_untag_set(i, mode);
 594 }
 595
 596 #ifdef CONFIG_CMD_ETHSW
 597
 598 /* Enable/disable status of a VSC9953 port */
 599 static void vsc9953_port_status_set(int port_no, u8 enabled)
 600 {
 601         struct vsc9953_qsys_reg *l2qsys_reg;
 602
 603         /* Administrative down */
 604         if (!vsc9953_l2sw.port[port_no].enabled)
 605                 return;
 606
 607         l2qsys_reg = (struct vsc9953_qsys_reg *)(VSC9953_OFFSET +
 608                         VSC9953_QSYS_OFFSET);
 609
 610         if (enabled)
 611                 setbits_le32(&l2qsys_reg->sys.switch_port_mode[port_no],
 612                              VSC9953_PORT_ENA);
 613         else
 614                 clrbits_le32(&l2qsys_reg->sys.switch_port_mode[port_no],
 615                              VSC9953_PORT_ENA);
 616 }
 617
 618 /* Start autonegotiation for a VSC9953 PHY */
 619 static void vsc9953_phy_autoneg(int port_no)
 620 {
 621         if (!vsc9953_l2sw.port[port_no].phydev)
 622                 return;
 623
 624         if (vsc9953_l2sw.port[port_no].phydev->drv->startup(
 625                         vsc9953_l2sw.port[port_no].phydev))
 626                 printf("Failed to start PHY for port %d\n", port_no);
 627 }
 628
 629 /* Print a VSC9953 port's configuration */
 630 static void vsc9953_port_config_show(int port_no)
 631 {
 632         int speed;
 633         int duplex;
 634         int link;
 635         u8 enabled;
 636         u32 val;
 637         struct vsc9953_qsys_reg *l2qsys_reg;
 638
 639         l2qsys_reg = (struct vsc9953_qsys_reg *)(VSC9953_OFFSET +
 640                         VSC9953_QSYS_OFFSET);
 641
 642         val = in_le32(&l2qsys_reg->sys.switch_port_mode[port_no]);
 643         enabled = vsc9953_l2sw.port[port_no].enabled &&
 644                   (val & VSC9953_PORT_ENA);
 645
 646         /* internal ports (8 and 9) are fixed */
 647         if (VSC9953_INTERNAL_PORT_CHECK(port_no)) {
 648                 link = 1;
 649                 speed = SPEED_2500;
 650                 duplex = DUPLEX_FULL;
 651         } else {
 652                 if (vsc9953_l2sw.port[port_no].phydev) {
 653                         link = vsc9953_l2sw.port[port_no].phydev->link;
 654                         speed = vsc9953_l2sw.port[port_no].phydev->speed;
 655                         duplex = vsc9953_l2sw.port[port_no].phydev->duplex;
 656                 } else {
 657                         link = -1;
 658                         speed = -1;
 659                         duplex = -1;
 660                 }
 661         }
 662
 663         printf("%8d ", port_no);
 664         printf("%8s ", enabled == 1 ? "enabled" : "disabled");
 665         printf("%8s ", link == 1 ? "up" : "down");
 666
 667         switch (speed) {
 668         case SPEED_10:
 669                 printf("%8d ", 10);
 670                 break;
 671         case SPEED_100:
 672                 printf("%8d ", 100);
 673                 break;
 674         case SPEED_1000:
 675                 printf("%8d ", 1000);
 676                 break;
 677         case SPEED_2500:
 678                 printf("%8d ", 2500);
 679                 break;
 680         case SPEED_10000:
 681                 printf("%8d ", 10000);
 682                 break;
 683         default:
 684                 printf("%8s ", "-");
 685         }
 686
 687         printf("%8s\n", duplex == DUPLEX_FULL ? "full" : "half");
 688 }
 689
 690 /* Show VSC9953 ports' statistics */
 691 static void vsc9953_port_statistics_show(int port_no)
 692 {
 693         u32 rx_val;
 694         u32 tx_val;
 695         struct vsc9953_system_reg *l2sys_reg;
 696
 697         /* Administrative down */
 698         if (!vsc9953_l2sw.port[port_no].enabled) {
 699                 printf("Port %d is administrative down\n", port_no);
 700                 return;
 701         }
 702
 703         l2sys_reg = (struct vsc9953_system_reg *)(VSC9953_OFFSET +
 704                         VSC9953_SYS_OFFSET);
 705
 706         printf("Statistics for L2 Switch port %d:\n", port_no);
 707
 708         /* Set counter view for our port */
 709         out_le32(&l2sys_reg->sys.stat_cfg, port_no);
 710
 711 #define VSC9953_STATS_PRINTF "%-15s %10u"
 712
 713         /* Get number of Rx and Tx frames */
 714         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_short) +
 715                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_frag) +
 716                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_jabber) +
 717                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_long) +
 718                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_64) +
 719                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_65_127) +
 720                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_128_255) +
 721                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_256_511) +
 722                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_512_1023) +
 723                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_1024_1526) +
 724                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_jumbo);
 725         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_64) +
 726                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_65_127) +
 727                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_128_255) +
 728                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_256_511) +
 729                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_512_1023) +
 730                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_1024_1526) +
 731                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_jumbo);
 732         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 733                "Rx frames:", rx_val, "Tx frames:", tx_val);
 734
 735         /* Get number of Rx and Tx bytes */
 736         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_oct);
 737         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_oct);
 738         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 739                "Rx bytes:", rx_val, "Tx bytes:", tx_val);
 740
 741         /* Get number of Rx frames received ok and Tx frames sent ok */
 742         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_0) +
 743                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_1) +
 744                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_2) +
 745                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_3) +
 746                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_4) +
 747                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_5) +
 748                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_6) +
 749                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_7) +
 750                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_0) +
 751                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_1) +
 752                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_2) +
 753                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_3) +
 754                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_4) +
 755                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_5) +
 756                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_6) +
 757                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_7);
 758         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_64) +
 759                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_65_127) +
 760                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_128_255) +
 761                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_256_511) +
 762                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_512_1023) +
 763                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_1024_1526) +
 764                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_jumbo);
 765         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 766                "Rx frames ok:", rx_val, "Tx frames ok:", tx_val);
 767
 768         /* Get number of Rx and Tx unicast frames */
 769         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_uc);
 770         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_uc);
 771         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 772                "Rx unicast:", rx_val, "Tx unicast:", tx_val);
 773
 774         /* Get number of Rx and Tx broadcast frames */
 775         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_bc);
 776         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_bc);
 777         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 778                "Rx broadcast:", rx_val, "Tx broadcast:", tx_val);
 779
 780         /* Get number of Rx and Tx frames of 64B */
 781         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_64);
 782         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_64);
 783         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 784                "Rx 64B:", rx_val, "Tx 64B:", tx_val);
 785
 786         /* Get number of Rx and Tx frames with sizes between 65B and 127B */
 787         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_65_127);
 788         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_65_127);
 789         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 790                "Rx 65B-127B:", rx_val, "Tx 65B-127B:", tx_val);
 791
 792         /* Get number of Rx and Tx frames with sizes between 128B and 255B */
 793         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_128_255);
 794         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_128_255);
 795         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 796                "Rx 128B-255B:", rx_val, "Tx 128B-255B:", tx_val);
 797
 798         /* Get number of Rx and Tx frames with sizes between 256B and 511B */
 799         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_256_511);
 800         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_256_511);
 801         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 802                "Rx 256B-511B:", rx_val, "Tx 256B-511B:", tx_val);
 803
 804         /* Get number of Rx and Tx frames with sizes between 512B and 1023B */
 805         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_512_1023);
 806         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_512_1023);
 807         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 808                "Rx 512B-1023B:", rx_val, "Tx 512B-1023B:", tx_val);
 809
 810         /* Get number of Rx and Tx frames with sizes between 1024B and 1526B */
 811         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_1024_1526);
 812         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_1024_1526);
 813         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 814                "Rx 1024B-1526B:", rx_val, "Tx 1024B-1526B:", tx_val);
 815
 816         /* Get number of Rx and Tx jumbo frames */
 817         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_jumbo);
 818         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_jumbo);
 819         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 820                "Rx jumbo:", rx_val, "Tx jumbo:", tx_val);
 821
 822         /* Get number of Rx and Tx dropped frames */
 823         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_cat_drop) +
 824                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_tail) +
 825                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_0) +
 826                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_1) +
 827                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_2) +
 828                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_3) +
 829                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_4) +
 830                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_5) +
 831                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_6) +
 832                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_7) +
 833                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_0) +
 834                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_1) +
 835                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_2) +
 836                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_3) +
 837                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_4) +
 838                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_5) +
 839                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_6) +
 840                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_7);
 841         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_drop) +
 842                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_aged);
 843         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 844                "Rx drops:", rx_val, "Tx drops:", tx_val);
 845
 846         /*
 847          * Get number of Rx frames with CRC or alignment errors
 848          * and number of detected Tx collisions
 849          */
 850         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_crc);
 851         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_col);
 852         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 853                "Rx CRC&align:", rx_val, "Tx coll:", tx_val);
 854
 855         /*
 856          * Get number of Rx undersized frames and
 857          * number of Tx aged frames
 858          */
 859         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_short);
 860         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_aged);
 861         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 862                "Rx undersize:", rx_val, "Tx aged:", tx_val);
 863
 864         /* Get number of Rx oversized frames */
 865         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_long);
 866         printf(VSC9953_STATS_PRINTF"\n", "Rx oversized:", rx_val);
 867
 868         /* Get number of Rx fragmented frames */
 869         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_frag);
 870         printf(VSC9953_STATS_PRINTF"\n", "Rx fragments:", rx_val);
 871
 872         /* Get number of Rx jabber errors */
 873         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_jabber);
 874         printf(VSC9953_STATS_PRINTF"\n", "Rx jabbers:", rx_val);
 875
 876         /*
 877          * Get number of Rx frames filtered due to classification rules or
 878          * no destination ports
 879          */
 880         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_cat_drop) +
 881                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_local);
 882         printf(VSC9953_STATS_PRINTF"\n", "Rx filtered:", rx_val);
 883
 884         printf("\n");
 885 }
 886
 887 /* Clear statistics for a VSC9953 port */
 888 static void vsc9953_port_statistics_clear(int port_no)
 889 {
 890         struct vsc9953_system_reg *l2sys_reg;
 891
 892         /* Administrative down */
 893         if (!vsc9953_l2sw.port[port_no].enabled) {
 894                 printf("Port %d is administrative down\n", port_no);
 895                 return;
 896         }
 897
 898         l2sys_reg = (struct vsc9953_system_reg *)(VSC9953_OFFSET +
 899                         VSC9953_SYS_OFFSET);
 900
 901         /* Clear all counter groups for our ports */
 902         out_le32(&l2sys_reg->sys.stat_cfg, port_no |
 903                  VSC9953_STAT_CLEAR_RX | VSC9953_STAT_CLEAR_TX |
 904                  VSC9953_STAT_CLEAR_DR);
 905 }
 906
 907 enum port_learn_mode {
 908         PORT_LEARN_NONE,
 909         PORT_LEARN_AUTO
 910 };
 911
 912 /* Set learning configuration for a VSC9953 port */
 913 static void vsc9953_port_learn_mode_set(int port_no, enum port_learn_mode mode)
 914 {
 915         struct vsc9953_analyzer *l2ana_reg;
 916
 917         /* Administrative down */
 918         if (!vsc9953_l2sw.port[port_no].enabled) {
 919                 printf("Port %d is administrative down\n", port_no);
 920                 return;
 921         }
 922
 923         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 924                         VSC9953_ANA_OFFSET);
 925
 926         switch (mode) {
 927         case PORT_LEARN_NONE:
 928                 clrbits_le32(&l2ana_reg->port[port_no].port_cfg,
 929                              VSC9953_PORT_CFG_LEARN_DROP |
 930                              VSC9953_PORT_CFG_LEARN_CPU |
 931                              VSC9953_PORT_CFG_LEARN_AUTO |
 932                              VSC9953_PORT_CFG_LEARN_ENA);
 933                 break;
 934         case PORT_LEARN_AUTO:
 935                 clrsetbits_le32(&l2ana_reg->port[port_no].port_cfg,
 936                                 VSC9953_PORT_CFG_LEARN_DROP |
 937                                 VSC9953_PORT_CFG_LEARN_CPU,
 938                                 VSC9953_PORT_CFG_LEARN_ENA |
 939                                 VSC9953_PORT_CFG_LEARN_AUTO);
 940                 break;
 941         default:
 942                 printf("Unknown learn mode for port %d\n", port_no);
 943         }
 944 }
 945
 946 /* Get learning configuration for a VSC9953 port */
 947 static int vsc9953_port_learn_mode_get(int port_no, enum port_learn_mode *mode)
 948 {
 949         u32 val;
 950         struct vsc9953_analyzer *l2ana_reg;
 951
 952         /* Administrative down */
 953         if (!vsc9953_l2sw.port[port_no].enabled) {
 954                 printf("Port %d is administrative down\n", port_no);
 955                 return -1;
 956         }
 957
 958         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 959                         VSC9953_ANA_OFFSET);
 960
 961         /* For now we only support HW learning (auto) and no learning */
 962         val = in_le32(&l2ana_reg->port[port_no].port_cfg);
 963         if ((val & (VSC9953_PORT_CFG_LEARN_ENA |
 964                     VSC9953_PORT_CFG_LEARN_AUTO)) ==
 965             (VSC9953_PORT_CFG_LEARN_ENA | VSC9953_PORT_CFG_LEARN_AUTO))
 966                 *mode = PORT_LEARN_AUTO;
 967         else
 968                 *mode = PORT_LEARN_NONE;
 969
 970         return 0;
 971 }
 972
 973 /* wait for FDB to become available */
 974 static int vsc9953_mac_table_poll_idle(void)
 975 {
 976         struct vsc9953_analyzer *l2ana_reg;
 977         u32 timeout;
 978
 979         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 980                         VSC9953_ANA_OFFSET);
 981
 982         timeout = 50000;
 983         while (((in_le32(&l2ana_reg->ana_tables.mac_access) &
 984                          VSC9953_MAC_CMD_MASK) !=
 985                 VSC9953_MAC_CMD_IDLE) && --timeout)
 986                 udelay(1);
 987
 988         return timeout ? 0 : -EBUSY;
 989 }
 990
 991 /* enum describing available commands for the MAC table */
 992 enum mac_table_cmd {
 993         MAC_TABLE_READ,
 994         MAC_TABLE_LOOKUP,
 995         MAC_TABLE_WRITE,
 996         MAC_TABLE_LEARN,
 997         MAC_TABLE_FORGET,
 998         MAC_TABLE_GET_NEXT,
 999         MAC_TABLE_AGE,
1000 };
1001
1002 /* Issues a command to the FDB table */
1003 static int vsc9953_mac_table_cmd(enum mac_table_cmd cmd)
1004 {
1005         struct vsc9953_analyzer *l2ana_reg;
1006
1007         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1008                         VSC9953_ANA_OFFSET);
1009
1010         switch (cmd) {
1011         case MAC_TABLE_READ:
1012                 clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1013                                 VSC9953_MAC_CMD_MASK | VSC9953_MAC_CMD_VALID,
1014                                 VSC9953_MAC_CMD_READ);
1015                 break;
1016         case MAC_TABLE_LOOKUP:
1017                 clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1018                                 VSC9953_MAC_CMD_MASK, VSC9953_MAC_CMD_READ |
1019                                 VSC9953_MAC_CMD_VALID);
1020                 break;
1021         case MAC_TABLE_WRITE:
1022                 clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1023                                 VSC9953_MAC_CMD_MASK |
1024                                 VSC9953_MAC_ENTRYTYPE_MASK,
1025                                 VSC9953_MAC_CMD_WRITE |
1026                                 VSC9953_MAC_ENTRYTYPE_LOCKED);
1027                 break;
1028         case MAC_TABLE_LEARN:
1029                 clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1030                                 VSC9953_MAC_CMD_MASK |
1031                                 VSC9953_MAC_ENTRYTYPE_MASK,
1032                                 VSC9953_MAC_CMD_LEARN |
1033                                 VSC9953_MAC_ENTRYTYPE_LOCKED |
1034                                 VSC9953_MAC_CMD_VALID);
1035                 break;
1036         case MAC_TABLE_FORGET:
1037                 clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1038                                 VSC9953_MAC_CMD_MASK |
1039                                 VSC9953_MAC_ENTRYTYPE_MASK,
1040                                 VSC9953_MAC_CMD_FORGET);
1041                 break;
1042         case MAC_TABLE_GET_NEXT:
1043                 clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1044                                 VSC9953_MAC_CMD_MASK |
1045                                 VSC9953_MAC_ENTRYTYPE_MASK,
1046                                 VSC9953_MAC_CMD_NEXT);
1047                 break;
1048         case MAC_TABLE_AGE:
1049                 clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1050                                 VSC9953_MAC_CMD_MASK |
1051                                 VSC9953_MAC_ENTRYTYPE_MASK,
1052                                 VSC9953_MAC_CMD_AGE);
1053                 break;
1054         default:
1055                 printf("Unknown MAC table command\n");
1056         }
1057
1058         if (vsc9953_mac_table_poll_idle() < 0) {
1059                 debug("MAC table timeout\n");
1060                 return -1;
1061         }
1062
1063         return 0;
1064 }
1065
1066 /* show the FDB entries that correspond to a port and a VLAN */
1067 static void vsc9953_mac_table_show(int port_no, int vid)
1068 {
1069         int rc[VSC9953_MAX_PORTS];
1070         enum port_learn_mode mode[VSC9953_MAX_PORTS];
1071         int i;
1072         u32 val;
1073         u32 vlan;
1074         u32 mach;
1075         u32 macl;
1076         u32 dest_indx;
1077         struct vsc9953_analyzer *l2ana_reg;
1078
1079         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1080                         VSC9953_ANA_OFFSET);
1081
1082         /* disable auto learning */
1083         if (port_no == ETHSW_CMD_PORT_ALL) {
1084                 for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1085                         rc[i] = vsc9953_port_learn_mode_get(i, &mode[i]);
1086                         if (!rc[i] && mode[i] != PORT_LEARN_NONE)
1087                                 vsc9953_port_learn_mode_set(i, PORT_LEARN_NONE);
1088                 }
1089         } else {
1090                 rc[port_no] = vsc9953_port_learn_mode_get(port_no,
1091                                                           &mode[port_no]);
1092                 if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
1093                         vsc9953_port_learn_mode_set(port_no, PORT_LEARN_NONE);
1094         }
1095
1096         /* write port and vid to get selected FDB entries */
1097         val = in_le32(&l2ana_reg->ana.anag_efil);
1098         if (port_no != ETHSW_CMD_PORT_ALL) {
1099                 val = bitfield_replace_by_mask(val, VSC9953_AGE_PORT_MASK,
1100                                                port_no) | VSC9953_AGE_PORT_EN;
1101         }
1102         if (vid != ETHSW_CMD_VLAN_ALL) {
1103                 val = bitfield_replace_by_mask(val, VSC9953_AGE_VID_MASK,
1104                                                vid) | VSC9953_AGE_VID_EN;
1105         }
1106         out_le32(&l2ana_reg->ana.anag_efil, val);
1107
1108         /* set MAC and VLAN to 0 to look from beginning */
1109         clrbits_le32(&l2ana_reg->ana_tables.mach_data,
1110                      VSC9953_MAC_VID_MASK | VSC9953_MAC_MACH_MASK);
1111         out_le32(&l2ana_reg->ana_tables.macl_data, 0);
1112
1113         /* get entries */
1114         printf("%10s %17s %5s %4s\n", "EntryType", "MAC", "PORT", "VID");
1115         do {
1116                 if (vsc9953_mac_table_cmd(MAC_TABLE_GET_NEXT) < 0) {
1117                         debug("GET NEXT MAC table command failed\n");
1118                         break;
1119                 }
1120
1121                 val = in_le32(&l2ana_reg->ana_tables.mac_access);
1122
1123                 /* get out when an invalid entry is found */
1124                 if (!(val & VSC9953_MAC_CMD_VALID))
1125                         break;
1126
1127                 switch (val & VSC9953_MAC_ENTRYTYPE_MASK) {
1128                 case VSC9953_MAC_ENTRYTYPE_NORMAL:
1129                         printf("%10s ", "Dynamic");
1130                         break;
1131                 case VSC9953_MAC_ENTRYTYPE_LOCKED:
1132                         printf("%10s ", "Static");
1133                         break;
1134                 case VSC9953_MAC_ENTRYTYPE_IPV4MCAST:
1135                         printf("%10s ", "IPv4 Mcast");
1136                         break;
1137                 case VSC9953_MAC_ENTRYTYPE_IPV6MCAST:
1138                         printf("%10s ", "IPv6 Mcast");
1139                         break;
1140                 default:
1141                         printf("%10s ", "Unknown");
1142                 }
1143
1144                 dest_indx = bitfield_extract_by_mask(val,
1145                                                      VSC9953_MAC_DESTIDX_MASK);
1146
1147                 val = in_le32(&l2ana_reg->ana_tables.mach_data);
1148                 vlan = bitfield_extract_by_mask(val, VSC9953_MAC_VID_MASK);
1149                 mach = bitfield_extract_by_mask(val, VSC9953_MAC_MACH_MASK);
1150                 macl = in_le32(&l2ana_reg->ana_tables.macl_data);
1151
1152                 printf("%02x:%02x:%02x:%02x:%02x:%02x ", (mach >> 8) & 0xff,
1153                        mach & 0xff, (macl >> 24) & 0xff, (macl >> 16) & 0xff,
1154                        (macl >> 8) & 0xff, macl & 0xff);
1155                 printf("%5d ", dest_indx);
1156                 printf("%4d\n", vlan);
1157         } while (1);
1158
1159         /* set learning mode to previous value */
1160         if (port_no == ETHSW_CMD_PORT_ALL) {
1161                 for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1162                         if (!rc[i] && mode[i] != PORT_LEARN_NONE)
1163                                 vsc9953_port_learn_mode_set(i, mode[i]);
1164                 }
1165         } else {
1166                 /* If administrative down, skip */
1167                 if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
1168                         vsc9953_port_learn_mode_set(port_no, mode[port_no]);
1169         }
1170
1171         /* reset FDB port and VLAN FDB selection */
1172         clrbits_le32(&l2ana_reg->ana.anag_efil, VSC9953_AGE_PORT_EN |
1173                      VSC9953_AGE_PORT_MASK | VSC9953_AGE_VID_EN |
1174                      VSC9953_AGE_VID_MASK);
1175 }
1176
1177 /* Add a static FDB entry */
1178 static int vsc9953_mac_table_add(u8 port_no, uchar mac[6], int vid)
1179 {
1180         u32 val;
1181         struct vsc9953_analyzer *l2ana_reg;
1182
1183         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1184                         VSC9953_ANA_OFFSET);
1185
1186         val = in_le32(&l2ana_reg->ana_tables.mach_data);
1187         val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
1188               (mac[0] << 8) | (mac[1] << 0);
1189         out_le32(&l2ana_reg->ana_tables.mach_data, val);
1190
1191         out_le32(&l2ana_reg->ana_tables.macl_data,
1192                  (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) |
1193                  (mac[5] << 0));
1194
1195         /* set on which port is the MAC address added */
1196         val = in_le32(&l2ana_reg->ana_tables.mac_access);
1197         val = bitfield_replace_by_mask(val, VSC9953_MAC_DESTIDX_MASK, port_no);
1198         out_le32(&l2ana_reg->ana_tables.mac_access, val);
1199
1200         if (vsc9953_mac_table_cmd(MAC_TABLE_LEARN) < 0)
1201                 return -1;
1202
1203         /* check if the MAC address was indeed added */
1204         val = in_le32(&l2ana_reg->ana_tables.mach_data);
1205         val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
1206               (mac[0] << 8) | (mac[1] << 0);
1207         out_le32(&l2ana_reg->ana_tables.mach_data, val);
1208
1209         out_le32(&l2ana_reg->ana_tables.macl_data,
1210                  (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) |
1211                  (mac[5] << 0));
1212
1213         if (vsc9953_mac_table_cmd(MAC_TABLE_READ) < 0)
1214                 return -1;
1215
1216         val = in_le32(&l2ana_reg->ana_tables.mac_access);
1217
1218         if ((port_no != bitfield_extract_by_mask(val,
1219                                                  VSC9953_MAC_DESTIDX_MASK))) {
1220                 printf("Failed to add MAC address\n");
1221                 return -1;
1222         }
1223         return 0;
1224 }
1225
1226 /* Delete a FDB entry */
1227 static int vsc9953_mac_table_del(uchar mac[6], u16 vid)
1228 {
1229         u32 val;
1230         struct vsc9953_analyzer *l2ana_reg;
1231
1232         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1233                         VSC9953_ANA_OFFSET);
1234
1235         /* check first if MAC entry is present */
1236         val = in_le32(&l2ana_reg->ana_tables.mach_data);
1237         val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
1238               (mac[0] << 8) | (mac[1] << 0);
1239         out_le32(&l2ana_reg->ana_tables.mach_data, val);
1240
1241         out_le32(&l2ana_reg->ana_tables.macl_data,
1242                  (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) |
1243                  (mac[5] << 0));
1244
1245         if (vsc9953_mac_table_cmd(MAC_TABLE_LOOKUP) < 0) {
1246                 debug("Lookup in the MAC table failed\n");
1247                 return -1;
1248         }
1249
1250         if (!(in_le32(&l2ana_reg->ana_tables.mac_access) &
1251               VSC9953_MAC_CMD_VALID)) {
1252                 printf("The MAC address: %02x:%02x:%02x:%02x:%02x:%02x ",
1253                        mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1254                 printf("VLAN: %d does not exist.\n", vid);
1255                 return -1;
1256         }
1257
1258         /* FDB entry found, proceed to delete */
1259         val = in_le32(&l2ana_reg->ana_tables.mach_data);
1260         val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
1261               (mac[0] << 8) | (mac[1] << 0);
1262         out_le32(&l2ana_reg->ana_tables.mach_data, val);
1263
1264         out_le32(&l2ana_reg->ana_tables.macl_data, (mac[2] << 24) |
1265                  (mac[3] << 16) | (mac[4] << 8) | (mac[5] << 0));
1266
1267         if (vsc9953_mac_table_cmd(MAC_TABLE_FORGET) < 0)
1268                 return -1;
1269
1270         /* check if the MAC entry is still in FDB */
1271         val = in_le32(&l2ana_reg->ana_tables.mach_data);
1272         val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
1273               (mac[0] << 8) | (mac[1] << 0);
1274         out_le32(&l2ana_reg->ana_tables.mach_data, val);
1275
1276         out_le32(&l2ana_reg->ana_tables.macl_data, (mac[2] << 24) |
1277                  (mac[3] << 16) | (mac[4] << 8) | (mac[5] << 0));
1278
1279         if (vsc9953_mac_table_cmd(MAC_TABLE_LOOKUP) < 0) {
1280                 debug("Lookup in the MAC table failed\n");
1281                 return -1;
1282         }
1283         if (in_le32(&l2ana_reg->ana_tables.mac_access) &
1284             VSC9953_MAC_CMD_VALID) {
1285                 printf("Failed to delete MAC address\n");
1286                 return -1;
1287         }
1288
1289         return 0;
1290 }
1291
1292 /* age the unlocked entries in FDB */
1293 static void vsc9953_mac_table_age(int port_no, int vid)
1294 {
1295         int rc[VSC9953_MAX_PORTS];
1296         enum port_learn_mode mode[VSC9953_MAX_PORTS];
1297         u32 val;
1298         int i;
1299         struct vsc9953_analyzer *l2ana_reg;
1300
1301         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1302                         VSC9953_ANA_OFFSET);
1303
1304         /* set port and VID for selective aging */
1305         val = in_le32(&l2ana_reg->ana.anag_efil);
1306         if (port_no != ETHSW_CMD_PORT_ALL) {
1307                 /* disable auto learning */
1308                 rc[port_no] = vsc9953_port_learn_mode_get(port_no,
1309                                                           &mode[port_no]);
1310                 if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
1311                         vsc9953_port_learn_mode_set(port_no, PORT_LEARN_NONE);
1312
1313                 val = bitfield_replace_by_mask(val, VSC9953_AGE_PORT_MASK,
1314                                                port_no) | VSC9953_AGE_PORT_EN;
1315         } else {
1316                 /* disable auto learning on all ports */
1317                 for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1318                         rc[i] = vsc9953_port_learn_mode_get(i, &mode[i]);
1319                         if (!rc[i] && mode[i] != PORT_LEARN_NONE)
1320                                 vsc9953_port_learn_mode_set(i, PORT_LEARN_NONE);
1321                 }
1322         }
1323
1324         if (vid != ETHSW_CMD_VLAN_ALL) {
1325                 val = bitfield_replace_by_mask(val, VSC9953_AGE_VID_MASK, vid) |
1326                       VSC9953_AGE_VID_EN;
1327         }
1328         out_le32(&l2ana_reg->ana.anag_efil, val);
1329
1330         /* age the dynamic FDB entries */
1331         vsc9953_mac_table_cmd(MAC_TABLE_AGE);
1332
1333         /* clear previously set port and VID */
1334         clrbits_le32(&l2ana_reg->ana.anag_efil, VSC9953_AGE_PORT_EN |
1335                      VSC9953_AGE_PORT_MASK | VSC9953_AGE_VID_EN |
1336                      VSC9953_AGE_VID_MASK);
1337
1338         if (port_no != ETHSW_CMD_PORT_ALL) {
1339                 if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
1340                         vsc9953_port_learn_mode_set(port_no, mode[port_no]);
1341         } else {
1342                 for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1343                         if (!rc[i] && mode[i] != PORT_LEARN_NONE)
1344                                 vsc9953_port_learn_mode_set(i, mode[i]);
1345                 }
1346         }
1347 }
1348
1349 /* Delete all the dynamic FDB entries */
1350 static void vsc9953_mac_table_flush(int port, int vid)
1351 {
1352         vsc9953_mac_table_age(port, vid);
1353         vsc9953_mac_table_age(port, vid);
1354 }
1355
1356 enum egress_vlan_tag {
1357         EGR_TAG_CLASS = 0,
1358         EGR_TAG_PVID,
1359 };
1360
1361 /* Set egress tag mode for a VSC9953 port */
1362 static void vsc9953_port_vlan_egress_tag_set(int port_no,
1363                                              enum egress_vlan_tag mode)
1364 {
1365         struct vsc9953_rew_reg *l2rew_reg;
1366
1367         l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
1368                         VSC9953_REW_OFFSET);
1369
1370         switch (mode) {
1371         case EGR_TAG_CLASS:
1372                 clrbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
1373                              VSC9953_TAG_VID_PVID);
1374                 break;
1375         case EGR_TAG_PVID:
1376                 setbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
1377                              VSC9953_TAG_VID_PVID);
1378                 break;
1379         default:
1380                 printf("Unknown egress VLAN tag mode for port %d\n", port_no);
1381         }
1382 }
1383
1384 /* Get egress tag mode for a VSC9953 port */
1385 static void vsc9953_port_vlan_egress_tag_get(int port_no,
1386                                              enum egress_vlan_tag *mode)
1387 {
1388         u32 val;
1389         struct vsc9953_rew_reg *l2rew_reg;
1390
1391         l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
1392                         VSC9953_REW_OFFSET);
1393
1394         val = in_le32(&l2rew_reg->port[port_no].port_tag_cfg);
1395         if (val & VSC9953_TAG_VID_PVID)
1396                 *mode = EGR_TAG_PVID;
1397         else
1398                 *mode = EGR_TAG_CLASS;
1399 }
1400
1401 static int vsc9953_port_status_key_func(struct ethsw_command_def *parsed_cmd)
1402 {
1403         int i;
1404         u8 enabled;
1405
1406         /* Last keyword should tell us if we should enable/disable the port */
1407         if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1408             ethsw_id_enable)
1409                 enabled = 1;
1410         else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1411                  ethsw_id_disable)
1412                 enabled = 0;
1413         else
1414                 return CMD_RET_USAGE;
1415
1416         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1417                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1418                         printf("Invalid port number: %d\n", parsed_cmd->port);
1419                         return CMD_RET_FAILURE;
1420                 }
1421                 vsc9953_port_status_set(parsed_cmd->port, enabled);
1422         } else {
1423                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
1424                         vsc9953_port_status_set(i, enabled);
1425         }
1426
1427         return CMD_RET_SUCCESS;
1428 }
1429
1430 static int vsc9953_port_config_key_func(struct ethsw_command_def *parsed_cmd)
1431 {
1432         int i;
1433
1434         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1435                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1436                         printf("Invalid port number: %d\n", parsed_cmd->port);
1437                         return CMD_RET_FAILURE;
1438                 }
1439                 vsc9953_phy_autoneg(parsed_cmd->port);
1440                 printf("%8s %8s %8s %8s %8s\n",
1441                        "Port", "Status", "Link", "Speed",
1442                        "Duplex");
1443                 vsc9953_port_config_show(parsed_cmd->port);
1444
1445         } else {
1446                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
1447                         vsc9953_phy_autoneg(i);
1448                 printf("%8s %8s %8s %8s %8s\n",
1449                        "Port", "Status", "Link", "Speed", "Duplex");
1450                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
1451                         vsc9953_port_config_show(i);
1452         }
1453
1454         return CMD_RET_SUCCESS;
1455 }
1456
1457 static int vsc9953_port_stats_key_func(struct ethsw_command_def *parsed_cmd)
1458 {
1459         int i;
1460
1461         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1462                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1463                         printf("Invalid port number: %d\n", parsed_cmd->port);
1464                         return CMD_RET_FAILURE;
1465                 }
1466                 vsc9953_port_statistics_show(parsed_cmd->port);
1467         } else {
1468                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
1469                         vsc9953_port_statistics_show(i);
1470         }
1471
1472         return CMD_RET_SUCCESS;
1473 }
1474
1475 static int vsc9953_port_stats_clear_key_func(struct ethsw_command_def
1476                                              *parsed_cmd)
1477 {
1478         int i;
1479
1480         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1481                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1482                         printf("Invalid port number: %d\n", parsed_cmd->port);
1483                         return CMD_RET_FAILURE;
1484                 }
1485                 vsc9953_port_statistics_clear(parsed_cmd->port);
1486         } else {
1487                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
1488                         vsc9953_port_statistics_clear(i);
1489         }
1490
1491         return CMD_RET_SUCCESS;
1492 }
1493
1494 static int vsc9953_learn_show_key_func(struct ethsw_command_def *parsed_cmd)
1495 {
1496         int i;
1497         enum port_learn_mode mode;
1498
1499         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1500                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1501                         printf("Invalid port number: %d\n", parsed_cmd->port);
1502                         return CMD_RET_FAILURE;
1503                 }
1504                 if (vsc9953_port_learn_mode_get(parsed_cmd->port, &mode))
1505                         return CMD_RET_FAILURE;
1506                 printf("%7s %11s\n", "Port", "Learn mode");
1507                 switch (mode) {
1508                 case PORT_LEARN_NONE:
1509                         printf("%7d %11s\n", parsed_cmd->port, "disable");
1510                         break;
1511                 case PORT_LEARN_AUTO:
1512                         printf("%7d %11s\n", parsed_cmd->port, "auto");
1513                         break;
1514                 default:
1515                         printf("%7d %11s\n", parsed_cmd->port, "-");
1516                 }
1517         } else {
1518                 printf("%7s %11s\n", "Port", "Learn mode");
1519                 for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1520                         if (vsc9953_port_learn_mode_get(i, &mode))
1521                                 continue;
1522                         switch (mode) {
1523                         case PORT_LEARN_NONE:
1524                                 printf("%7d %11s\n", i, "disable");
1525                                 break;
1526                         case PORT_LEARN_AUTO:
1527                                 printf("%7d %11s\n", i, "auto");
1528                                 break;
1529                         default:
1530                                 printf("%7d %11s\n", i, "-");
1531                         }
1532                 }
1533         }
1534
1535         return CMD_RET_SUCCESS;
1536 }
1537
1538 static int vsc9953_learn_set_key_func(struct ethsw_command_def *parsed_cmd)
1539 {
1540         int i;
1541         enum port_learn_mode mode;
1542
1543         /* Last keyword should tell us the learn mode */
1544         if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1545             ethsw_id_auto)
1546                 mode = PORT_LEARN_AUTO;
1547         else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1548                  ethsw_id_disable)
1549                 mode = PORT_LEARN_NONE;
1550         else
1551                 return CMD_RET_USAGE;
1552
1553         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1554                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1555                         printf("Invalid port number: %d\n", parsed_cmd->port);
1556                         return CMD_RET_FAILURE;
1557                 }
1558                 vsc9953_port_learn_mode_set(parsed_cmd->port, mode);
1559         } else {
1560                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
1561                         vsc9953_port_learn_mode_set(i, mode);
1562         }
1563
1564         return CMD_RET_SUCCESS;
1565 }
1566
1567 static int vsc9953_fdb_show_key_func(struct ethsw_command_def *parsed_cmd)
1568 {
1569         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL &&
1570             !VSC9953_PORT_CHECK(parsed_cmd->port)) {
1571                 printf("Invalid port number: %d\n", parsed_cmd->port);
1572                 return CMD_RET_FAILURE;
1573         }
1574
1575         if (parsed_cmd->vid != ETHSW_CMD_VLAN_ALL &&
1576             !VSC9953_VLAN_CHECK(parsed_cmd->vid)) {
1577                 printf("Invalid VID number: %d\n", parsed_cmd->vid);
1578                 return CMD_RET_FAILURE;
1579         }
1580
1581         vsc9953_mac_table_show(parsed_cmd->port, parsed_cmd->vid);
1582
1583         return CMD_RET_SUCCESS;
1584 }
1585
1586 static int vsc9953_fdb_flush_key_func(struct ethsw_command_def *parsed_cmd)
1587 {
1588         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL &&
1589             !VSC9953_PORT_CHECK(parsed_cmd->port)) {
1590                 printf("Invalid port number: %d\n", parsed_cmd->port);
1591                 return CMD_RET_FAILURE;
1592         }
1593
1594         if (parsed_cmd->vid != ETHSW_CMD_VLAN_ALL &&
1595             !VSC9953_VLAN_CHECK(parsed_cmd->vid)) {
1596                 printf("Invalid VID number: %d\n", parsed_cmd->vid);
1597                 return CMD_RET_FAILURE;
1598         }
1599
1600         vsc9953_mac_table_flush(parsed_cmd->port, parsed_cmd->vid);
1601
1602         return CMD_RET_SUCCESS;
1603 }
1604
1605 static int vsc9953_fdb_entry_add_key_func(struct ethsw_command_def *parsed_cmd)
1606 {
1607         int vid;
1608
1609         /* a port number must be present */
1610         if (parsed_cmd->port == ETHSW_CMD_PORT_ALL) {
1611                 printf("Please specify a port\n");
1612                 return CMD_RET_FAILURE;
1613         }
1614
1615         if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1616                 printf("Invalid port number: %d\n", parsed_cmd->port);
1617                 return CMD_RET_FAILURE;
1618         }
1619
1620         /* Use VLAN 1 if VID is not set */
1621         vid = (parsed_cmd->vid == ETHSW_CMD_VLAN_ALL ? 1 : parsed_cmd->vid);
1622
1623         if (!VSC9953_VLAN_CHECK(vid)) {
1624                 printf("Invalid VID number: %d\n", vid);
1625                 return CMD_RET_FAILURE;
1626         }
1627
1628         if (vsc9953_mac_table_add(parsed_cmd->port, parsed_cmd->ethaddr, vid))
1629                 return CMD_RET_FAILURE;
1630
1631         return CMD_RET_SUCCESS;
1632 }
1633
1634 static int vsc9953_fdb_entry_del_key_func(struct ethsw_command_def *parsed_cmd)
1635 {
1636         int vid;
1637
1638         /* Use VLAN 1 if VID is not set */
1639         vid = (parsed_cmd->vid == ETHSW_CMD_VLAN_ALL ? 1 : parsed_cmd->vid);
1640
1641         if (!VSC9953_VLAN_CHECK(vid)) {
1642                 printf("Invalid VID number: %d\n", vid);
1643                 return CMD_RET_FAILURE;
1644         }
1645
1646         if (vsc9953_mac_table_del(parsed_cmd->ethaddr, vid))
1647                 return CMD_RET_FAILURE;
1648
1649         return CMD_RET_SUCCESS;
1650 }
1651
1652 static int vsc9953_pvid_show_key_func(struct ethsw_command_def *parsed_cmd)
1653 {
1654         int i;
1655         int pvid;
1656
1657         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1658                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1659                         printf("Invalid port number: %d\n", parsed_cmd->port);
1660                         return CMD_RET_FAILURE;
1661                 }
1662
1663                 if (vsc9953_port_vlan_pvid_get(parsed_cmd->port, &pvid))
1664                         return CMD_RET_FAILURE;
1665                 printf("%7s %7s\n", "Port", "PVID");
1666                 printf("%7d %7d\n", parsed_cmd->port, pvid);
1667         } else {
1668                 printf("%7s %7s\n", "Port", "PVID");
1669                 for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1670                         if (vsc9953_port_vlan_pvid_get(i, &pvid))
1671                                 continue;
1672                         printf("%7d %7d\n", i, pvid);
1673                 }
1674         }
1675
1676         return CMD_RET_SUCCESS;
1677 }
1678
1679 static int vsc9953_pvid_set_key_func(struct ethsw_command_def *parsed_cmd)
1680 {
1681         /* PVID number should be set in parsed_cmd->vid */
1682         if (parsed_cmd->vid == ETHSW_CMD_VLAN_ALL) {
1683                 printf("Please set a pvid value\n");
1684                 return CMD_RET_FAILURE;
1685         }
1686
1687         if (!VSC9953_VLAN_CHECK(parsed_cmd->vid)) {
1688                 printf("Invalid VID number: %d\n", parsed_cmd->vid);
1689                 return CMD_RET_FAILURE;
1690         }
1691
1692         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1693                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1694                         printf("Invalid port number: %d\n", parsed_cmd->port);
1695                         return CMD_RET_FAILURE;
1696                 }
1697                 vsc9953_port_vlan_pvid_set(parsed_cmd->port, parsed_cmd->vid);
1698         } else {
1699                 vsc9953_port_all_vlan_pvid_set(parsed_cmd->vid);
1700         }
1701
1702         return CMD_RET_SUCCESS;
1703 }
1704
1705 static int vsc9953_vlan_show_key_func(struct ethsw_command_def *parsed_cmd)
1706 {
1707         int i;
1708
1709         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1710                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1711                         printf("Invalid port number: %d\n", parsed_cmd->port);
1712                         return CMD_RET_FAILURE;
1713                 }
1714                 vsc9953_vlan_membership_show(parsed_cmd->port);
1715         } else {
1716                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
1717                         vsc9953_vlan_membership_show(i);
1718         }
1719
1720         return CMD_RET_SUCCESS;
1721 }
1722
1723 static int vsc9953_vlan_set_key_func(struct ethsw_command_def *parsed_cmd)
1724 {
1725         int i;
1726         int add;
1727
1728         /* VLAN should be set in parsed_cmd->vid */
1729         if (parsed_cmd->vid == ETHSW_CMD_VLAN_ALL) {
1730                 printf("Please set a vlan value\n");
1731                 return CMD_RET_FAILURE;
1732         }
1733
1734         if (!VSC9953_VLAN_CHECK(parsed_cmd->vid)) {
1735                 printf("Invalid VID number: %d\n", parsed_cmd->vid);
1736                 return CMD_RET_FAILURE;
1737         }
1738
1739         /* keywords add/delete should be the last but one in array */
1740         if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 2] ==
1741             ethsw_id_add)
1742                 add = 1;
1743         else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 2] ==
1744                  ethsw_id_del)
1745                 add = 0;
1746         else
1747                 return CMD_RET_USAGE;
1748
1749         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1750                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1751                         printf("Invalid port number: %d\n", parsed_cmd->port);
1752                         return CMD_RET_FAILURE;
1753                 }
1754                 vsc9953_vlan_table_membership_set(parsed_cmd->vid,
1755                                                   parsed_cmd->port, add);
1756         } else {
1757                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
1758                         vsc9953_vlan_table_membership_set(parsed_cmd->vid, i,
1759                                                           add);
1760         }
1761
1762         return CMD_RET_SUCCESS;
1763 }
1764 static int vsc9953_port_untag_show_key_func(
1765                 struct ethsw_command_def *parsed_cmd)
1766 {
1767         int i;
1768
1769         printf("%7s\t%17s\n", "Port", "Untag");
1770         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1771                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1772                         printf("Invalid port number: %d\n", parsed_cmd->port);
1773                         return CMD_RET_FAILURE;
1774                 }
1775                 vsc9953_port_vlan_egr_untag_show(parsed_cmd->port);
1776         } else {
1777                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
1778                         vsc9953_port_vlan_egr_untag_show(i);
1779         }
1780
1781         return CMD_RET_SUCCESS;
1782 }
1783
1784 static int vsc9953_port_untag_set_key_func(struct ethsw_command_def *parsed_cmd)
1785 {
1786         int i;
1787         enum egress_untag_mode mode;
1788
1789         /* keywords for the untagged mode are the last in the array */
1790         if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1791             ethsw_id_all)
1792                 mode = EGRESS_UNTAG_ALL;
1793         else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1794                  ethsw_id_none)
1795                 mode = EGRESS_UNTAG_NONE;
1796         else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1797                  ethsw_id_pvid)
1798                 mode = EGRESS_UNTAG_PVID_AND_ZERO;
1799         else
1800                 return CMD_RET_USAGE;
1801
1802         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1803                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1804                         printf("Invalid port number: %d\n", parsed_cmd->port);
1805                         return CMD_RET_FAILURE;
1806                 }
1807                 vsc9953_port_vlan_egr_untag_set(parsed_cmd->port, mode);
1808         } else {
1809                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
1810                         vsc9953_port_vlan_egr_untag_set(i, mode);
1811         }
1812
1813         return CMD_RET_SUCCESS;
1814 }
1815
1816 static int vsc9953_egr_vlan_tag_show_key_func(
1817                 struct ethsw_command_def *parsed_cmd)
1818 {
1819         int i;
1820         enum egress_vlan_tag mode;
1821
1822         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1823                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1824                         printf("Invalid port number: %d\n", parsed_cmd->port);
1825                         return CMD_RET_FAILURE;
1826                 }
1827                 vsc9953_port_vlan_egress_tag_get(parsed_cmd->port, &mode);
1828                 printf("%7s\t%12s\n", "Port", "Egress VID");
1829                 printf("%7d\t", parsed_cmd->port);
1830                 switch (mode) {
1831                 case EGR_TAG_CLASS:
1832                         printf("%12s\n", "classified");
1833                         break;
1834                 case EGR_TAG_PVID:
1835                         printf("%12s\n", "pvid");
1836                         break;
1837                 default:
1838                         printf("%12s\n", "-");
1839                 }
1840         } else {
1841                 printf("%7s\t%12s\n", "Port", "Egress VID");
1842                 for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1843                         vsc9953_port_vlan_egress_tag_get(i, &mode);
1844                         switch (mode) {
1845                         case EGR_TAG_CLASS:
1846                                 printf("%7d\t%12s\n", i, "classified");
1847                                 break;
1848                         case EGR_TAG_PVID:
1849                                 printf("%7d\t%12s\n", i, "pvid");
1850                                 break;
1851                         default:
1852                                 printf("%7d\t%12s\n", i, "-");
1853                         }
1854                 }
1855         }
1856
1857         return CMD_RET_SUCCESS;
1858 }
1859
1860 static int vsc9953_egr_vlan_tag_set_key_func(
1861                 struct ethsw_command_def *parsed_cmd)
1862 {
1863         int i;
1864         enum egress_vlan_tag mode;
1865
1866         /* keywords for the egress vlan tag mode are the last in the array */
1867         if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1868             ethsw_id_pvid)
1869                 mode = EGR_TAG_PVID;
1870         else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1871                  ethsw_id_classified)
1872                 mode = EGR_TAG_CLASS;
1873         else
1874                 return CMD_RET_USAGE;
1875
1876         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1877                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1878                         printf("Invalid port number: %d\n", parsed_cmd->port);
1879                         return CMD_RET_FAILURE;
1880                 }
1881                 vsc9953_port_vlan_egress_tag_set(parsed_cmd->port, mode);
1882         } else {
1883                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
1884                         vsc9953_port_vlan_egress_tag_set(i, mode);
1885         }
1886
1887         return CMD_RET_SUCCESS;
1888 }
1889
1890 static struct ethsw_command_func vsc9953_cmd_func = {
1891                 .ethsw_name = "L2 Switch VSC9953",
1892                 .port_enable = &vsc9953_port_status_key_func,
1893                 .port_disable = &vsc9953_port_status_key_func,
1894                 .port_show = &vsc9953_port_config_key_func,
1895                 .port_stats = &vsc9953_port_stats_key_func,
1896                 .port_stats_clear = &vsc9953_port_stats_clear_key_func,
1897                 .port_learn = &vsc9953_learn_set_key_func,
1898                 .port_learn_show = &vsc9953_learn_show_key_func,
1899                 .fdb_show = &vsc9953_fdb_show_key_func,
1900                 .fdb_flush = &vsc9953_fdb_flush_key_func,
1901                 .fdb_entry_add = &vsc9953_fdb_entry_add_key_func,
1902                 .fdb_entry_del = &vsc9953_fdb_entry_del_key_func,
1903                 .pvid_show = &vsc9953_pvid_show_key_func,
1904                 .pvid_set = &vsc9953_pvid_set_key_func,
1905                 .vlan_show = &vsc9953_vlan_show_key_func,
1906                 .vlan_set = &vsc9953_vlan_set_key_func,
1907                 .port_untag_show = &vsc9953_port_untag_show_key_func,
1908                 .port_untag_set = &vsc9953_port_untag_set_key_func,
1909                 .port_egr_vlan_show = &vsc9953_egr_vlan_tag_show_key_func,
1910                 .port_egr_vlan_set = &vsc9953_egr_vlan_tag_set_key_func,
1911 };
1912
1913 #endif /* CONFIG_CMD_ETHSW */
1914
1915 /*****************************************************************************
1916 At startup, the default configuration would be:
1917         - HW learning enabled on all ports; (HW default)
1918         - All ports are in VLAN 1;
1919         - All ports are VLAN aware;
1920         - All ports have POP_COUNT 1;
1921         - All ports have PVID 1;
1922         - All ports have TPID 0x8100; (HW default)
1923         - All ports tag frames classified to all VLANs that are not PVID;
1924 *****************************************************************************/
1925 void vsc9953_default_configuration(void)
1926 {
1927         int i;
1928
1929         for (i = 0; i < VSC9953_MAX_VLAN; i++)
1930                 vsc9953_vlan_table_membership_all_set(i, 0);
1931         vsc9953_port_all_vlan_aware_set(1);
1932         vsc9953_port_all_vlan_pvid_set(1);
1933         vsc9953_port_all_vlan_poncnt_set(1);
1934         vsc9953_vlan_table_membership_all_set(1, 1);
1935         vsc9953_vlan_ingr_fltr_learn_drop(1);
1936         vsc9953_port_all_vlan_egress_untagged_set(EGRESS_UNTAG_PVID_AND_ZERO);
1937 }
1938
1939 void vsc9953_init(bd_t *bis)
1940 {
1941         u32 i;
1942         u32 hdx_cfg = 0;
1943         u32 phy_addr = 0;
1944         int timeout;
1945         struct vsc9953_system_reg *l2sys_reg;
1946         struct vsc9953_qsys_reg *l2qsys_reg;
1947         struct vsc9953_dev_gmii *l2dev_gmii_reg;
1948         struct vsc9953_analyzer *l2ana_reg;
1949         struct vsc9953_devcpu_gcb *l2dev_gcb;
1950
1951         l2dev_gmii_reg = (struct vsc9953_dev_gmii *)(VSC9953_OFFSET +
1952                         VSC9953_DEV_GMII_OFFSET);
1953
1954         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1955                         VSC9953_ANA_OFFSET);
1956
1957         l2sys_reg = (struct vsc9953_system_reg *)(VSC9953_OFFSET +
1958                         VSC9953_SYS_OFFSET);
1959
1960         l2qsys_reg = (struct vsc9953_qsys_reg *)(VSC9953_OFFSET +
1961                         VSC9953_QSYS_OFFSET);
1962
1963         l2dev_gcb = (struct vsc9953_devcpu_gcb *)(VSC9953_OFFSET +
1964                         VSC9953_DEVCPU_GCB);
1965
1966         out_le32(&l2dev_gcb->chip_regs.soft_rst,
1967                  VSC9953_SOFT_SWC_RST_ENA);
1968         timeout = 50000;
1969         while ((in_le32(&l2dev_gcb->chip_regs.soft_rst) &
1970                         VSC9953_SOFT_SWC_RST_ENA) && --timeout)
1971                 udelay(1); /* busy wait for vsc9953 soft reset */
1972         if (timeout == 0)
1973                 debug("Timeout waiting for VSC9953 to reset\n");
1974
1975         out_le32(&l2sys_reg->sys.reset_cfg, VSC9953_MEM_ENABLE |
1976                  VSC9953_MEM_INIT);
1977
1978         timeout = 50000;
1979         while ((in_le32(&l2sys_reg->sys.reset_cfg) &
1980                 VSC9953_MEM_INIT) && --timeout)
1981                 udelay(1); /* busy wait for vsc9953 memory init */
1982         if (timeout == 0)
1983                 debug("Timeout waiting for VSC9953 memory to initialize\n");
1984
1985         out_le32(&l2sys_reg->sys.reset_cfg, (in_le32(&l2sys_reg->sys.reset_cfg)
1986                         | VSC9953_CORE_ENABLE));
1987
1988         /* VSC9953 Setting to be done once only */
1989         out_le32(&l2qsys_reg->sys.ext_cpu_cfg, 0x00000b00);
1990
1991         for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1992                 if (vsc9953_port_init(i))
1993                         printf("Failed to initialize l2switch port %d\n", i);
1994
1995                 /* Enable VSC9953 GMII Ports Port ID 0 - 7 */
1996                 if (VSC9953_INTERNAL_PORT_CHECK(i)) {
1997                         out_le32(&l2ana_reg->pfc[i].pfc_cfg,
1998                                  VSC9953_PFC_FC_QSGMII);
1999                         out_le32(&l2sys_reg->pause_cfg.mac_fc_cfg[i],
2000                                  VSC9953_MAC_FC_CFG_QSGMII);
2001                 } else {
2002                         out_le32(&l2ana_reg->pfc[i].pfc_cfg,
2003                                  VSC9953_PFC_FC);
2004                         out_le32(&l2sys_reg->pause_cfg.mac_fc_cfg[i],
2005                                  VSC9953_MAC_FC_CFG);
2006                 }
2007                 out_le32(&l2dev_gmii_reg->port_mode.clock_cfg,
2008                          VSC9953_CLOCK_CFG);
2009                 out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_ena_cfg,
2010                          VSC9953_MAC_ENA_CFG);
2011                 out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_mode_cfg,
2012                          VSC9953_MAC_MODE_CFG);
2013                 out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_ifg_cfg,
2014                          VSC9953_MAC_IFG_CFG);
2015                 /* mac_hdx_cfg varies with port id*/
2016                 hdx_cfg = VSC9953_MAC_HDX_CFG | (i << 16);
2017                 out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_hdx_cfg, hdx_cfg);
2018                 out_le32(&l2sys_reg->sys.front_port_mode[i],
2019                          VSC9953_FRONT_PORT_MODE);
2020                 setbits_le32(&l2qsys_reg->sys.switch_port_mode[i],
2021                              VSC9953_PORT_ENA);
2022                 out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_maxlen_cfg,
2023                          VSC9953_MAC_MAX_LEN);
2024                 out_le32(&l2sys_reg->pause_cfg.pause_cfg[i],
2025                          VSC9953_PAUSE_CFG);
2026                 /* WAIT FOR 2 us*/
2027                 udelay(2);
2028
2029                 l2dev_gmii_reg = (struct vsc9953_dev_gmii *)(
2030                                 (char *)l2dev_gmii_reg
2031                                 + T1040_SWITCH_GMII_DEV_OFFSET);
2032
2033                 /* Initialize Lynx PHY Wrappers */
2034                 phy_addr = 0;
2035                 if (vsc9953_l2sw.port[i].enet_if ==
2036                                 PHY_INTERFACE_MODE_QSGMII)
2037                         phy_addr = (i + 0x4) & 0x1F;
2038                 else if (vsc9953_l2sw.port[i].enet_if ==
2039                                 PHY_INTERFACE_MODE_SGMII)
2040                         phy_addr = (i + 1) & 0x1F;
2041
2042                 if (phy_addr) {
2043                         /* SGMII IF mode + AN enable */
2044                         vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
2045                                            0x14, PHY_SGMII_IF_MODE_AN |
2046                                            PHY_SGMII_IF_MODE_SGMII);
2047                         /* Dev ability according to SGMII specification */
2048                         vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
2049                                            0x4, PHY_SGMII_DEV_ABILITY_SGMII);
2050                         /* Adjust link timer for SGMII
2051                          * 1.6 ms in units of 8 ns = 2 * 10^5 = 0x30d40
2052                          */
2053                         vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
2054                                            0x13, 0x0003);
2055                         vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
2056                                            0x12, 0x0d40);
2057                         /* Restart AN */
2058                         vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
2059                                            0x0, PHY_SGMII_CR_DEF_VAL |
2060                                            PHY_SGMII_CR_RESET_AN);
2061
2062                         timeout = 50000;
2063                         while ((vsc9953_mdio_read(&l2dev_gcb->mii_mng[0],
2064                                         phy_addr, 0x01) & 0x0020) && --timeout)
2065                                 udelay(1); /* wait for AN to complete */
2066                         if (timeout == 0)
2067                                 debug("Timeout waiting for AN to complete\n");
2068                 }
2069         }
2070
2071         vsc9953_default_configuration();
2072
2073 #ifdef CONFIG_CMD_ETHSW
2074         if (ethsw_define_functions(&vsc9953_cmd_func) < 0)
2075                 debug("Unable to use \"ethsw\" commands\n");
2076 #endif
2077
2078         printf("VSC9953 L2 switch initialized\n");
2079         return;
2080 }