git.sur5r.net Git - u-boot/blob - 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 /* vlan table set/clear all membership of vid */
 200 static void vsc9953_vlan_table_membership_all_set(int vid, int set_member)
 201 {
 202         uint val;
 203         struct vsc9953_analyzer *l2ana_reg;
 204
 205         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 206                         VSC9953_ANA_OFFSET);
 207
 208         if (vsc9953_vlan_table_poll_idle() < 0) {
 209                 debug("VLAN table timeout\n");
 210                 return;
 211         }
 212
 213         /* read current vlan configuration */
 214         val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
 215         out_le32(&l2ana_reg->ana_tables.vlan_tidx,
 216                  bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid));
 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         out_le32(&l2ana_reg->ana_tables.vlan_tidx,
 228                  bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid));
 229
 230         clrsetbits_le32(&l2ana_reg->ana_tables.vlan_access,
 231                         VSC9953_VLAN_PORT_MASK | VSC9953_VLAN_CMD_MASK,
 232                         VSC9953_VLAN_CMD_WRITE |
 233                         (set_member ? VSC9953_VLAN_PORT_MASK : 0));
 234 }
 235
 236 /* Set PVID for a VSC9953 port */
 237 static void vsc9953_port_vlan_pvid_set(int port_no, int pvid)
 238 {
 239         uint val;
 240         struct vsc9953_analyzer *l2ana_reg;
 241         struct vsc9953_rew_reg *l2rew_reg;
 242
 243         /* Administrative down */
 244         if (!vsc9953_l2sw.port[port_no].enabled) {
 245                 printf("Port %d is administrative down\n", port_no);
 246                 return;
 247         }
 248
 249         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 250                         VSC9953_ANA_OFFSET);
 251         l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
 252                         VSC9953_REW_OFFSET);
 253
 254         /* Set PVID on ingress */
 255         val = in_le32(&l2ana_reg->port[port_no].vlan_cfg);
 256         val = bitfield_replace_by_mask(val, VSC9953_VLAN_CFG_VID_MASK, pvid);
 257         out_le32(&l2ana_reg->port[port_no].vlan_cfg, val);
 258
 259         /* Set PVID on egress */
 260         val = in_le32(&l2rew_reg->port[port_no].port_vlan_cfg);
 261         val = bitfield_replace_by_mask(val, VSC9953_PORT_VLAN_CFG_VID_MASK,
 262                                        pvid);
 263         out_le32(&l2rew_reg->port[port_no].port_vlan_cfg, val);
 264 }
 265
 266 static void vsc9953_port_all_vlan_pvid_set(int pvid)
 267 {
 268         int i;
 269
 270         for (i = 0; i < VSC9953_MAX_PORTS; i++)
 271                 vsc9953_port_vlan_pvid_set(i, pvid);
 272 }
 273
 274 /* Enable/disable vlan aware of a VSC9953 port */
 275 static void vsc9953_port_vlan_aware_set(int port_no, int enabled)
 276 {
 277         struct vsc9953_analyzer *l2ana_reg;
 278
 279         /* Administrative down */
 280         if (!vsc9953_l2sw.port[port_no].enabled) {
 281                 printf("Port %d is administrative down\n", port_no);
 282                 return;
 283         }
 284
 285         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 286                         VSC9953_ANA_OFFSET);
 287
 288         if (enabled)
 289                 setbits_le32(&l2ana_reg->port[port_no].vlan_cfg,
 290                              VSC9953_VLAN_CFG_AWARE_ENA);
 291         else
 292                 clrbits_le32(&l2ana_reg->port[port_no].vlan_cfg,
 293                              VSC9953_VLAN_CFG_AWARE_ENA);
 294 }
 295
 296 /* Set all VSC9953 ports' vlan aware  */
 297 static void vsc9953_port_all_vlan_aware_set(int enabled)
 298 {
 299         int i;
 300
 301         for (i = 0; i < VSC9953_MAX_PORTS; i++)
 302                 vsc9953_port_vlan_aware_set(i, enabled);
 303 }
 304
 305 /* Enable/disable vlan pop count of a VSC9953 port */
 306 static void vsc9953_port_vlan_popcnt_set(int port_no, int popcnt)
 307 {
 308         uint val;
 309         struct vsc9953_analyzer *l2ana_reg;
 310
 311         /* Administrative down */
 312         if (!vsc9953_l2sw.port[port_no].enabled) {
 313                 printf("Port %d is administrative down\n", port_no);
 314                 return;
 315         }
 316
 317         if (popcnt > 3 || popcnt < 0) {
 318                 printf("Invalid pop count value: %d\n", port_no);
 319                 return;
 320         }
 321
 322         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 323                         VSC9953_ANA_OFFSET);
 324
 325         val = in_le32(&l2ana_reg->port[port_no].vlan_cfg);
 326         val = bitfield_replace_by_mask(val, VSC9953_VLAN_CFG_POP_CNT_MASK,
 327                                        popcnt);
 328         out_le32(&l2ana_reg->port[port_no].vlan_cfg, val);
 329 }
 330
 331 /* Set all VSC9953 ports' pop count  */
 332 static void vsc9953_port_all_vlan_poncnt_set(int popcnt)
 333 {
 334         int i;
 335
 336         for (i = 0; i < VSC9953_MAX_PORTS; i++)
 337                 vsc9953_port_vlan_popcnt_set(i, popcnt);
 338 }
 339
 340 /* Enable/disable learning for frames dropped due to ingress filtering */
 341 static void vsc9953_vlan_ingr_fltr_learn_drop(int enable)
 342 {
 343         struct vsc9953_analyzer *l2ana_reg;
 344
 345         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 346                         VSC9953_ANA_OFFSET);
 347
 348         if (enable)
 349                 setbits_le32(&l2ana_reg->ana.adv_learn, VSC9953_VLAN_CHK);
 350         else
 351                 clrbits_le32(&l2ana_reg->ana.adv_learn, VSC9953_VLAN_CHK);
 352 }
 353
 354 /* Egress untag modes of a VSC9953 port */
 355 enum egress_untag_mode {
 356         EGRESS_UNTAG_ALL = 0,
 357         EGRESS_UNTAG_PVID_AND_ZERO,
 358         EGRESS_UNTAG_ZERO,
 359         EGRESS_UNTAG_NONE,
 360 };
 361
 362 static void vsc9953_port_vlan_egr_untag_set(int port_no,
 363                                             enum egress_untag_mode mode)
 364 {
 365         struct vsc9953_rew_reg *l2rew_reg;
 366
 367         /* Administrative down */
 368         if (!vsc9953_l2sw.port[port_no].enabled) {
 369                 printf("Port %d is administrative down\n", port_no);
 370                 return;
 371         }
 372
 373         l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
 374                         VSC9953_REW_OFFSET);
 375
 376         switch (mode) {
 377         case EGRESS_UNTAG_ALL:
 378                 clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
 379                                 VSC9953_TAG_CFG_MASK, VSC9953_TAG_CFG_NONE);
 380                 break;
 381         case EGRESS_UNTAG_PVID_AND_ZERO:
 382                 clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
 383                                 VSC9953_TAG_CFG_MASK,
 384                                 VSC9953_TAG_CFG_ALL_BUT_PVID_ZERO);
 385                 break;
 386         case EGRESS_UNTAG_ZERO:
 387                 clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
 388                                 VSC9953_TAG_CFG_MASK,
 389                                 VSC9953_TAG_CFG_ALL_BUT_ZERO);
 390                 break;
 391         case EGRESS_UNTAG_NONE:
 392                 clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
 393                                 VSC9953_TAG_CFG_MASK, VSC9953_TAG_CFG_ALL);
 394                 break;
 395         default:
 396                 printf("Unknown untag mode for port %d\n", port_no);
 397         }
 398 }
 399
 400 static void vsc9953_port_all_vlan_egress_untagged_set(
 401                 enum egress_untag_mode mode)
 402 {
 403         int i;
 404
 405         for (i = 0; i < VSC9953_MAX_PORTS; i++)
 406                 vsc9953_port_vlan_egr_untag_set(i, mode);
 407 }
 408
 409 #ifdef CONFIG_CMD_ETHSW
 410
 411 /* Enable/disable status of a VSC9953 port */
 412 static void vsc9953_port_status_set(int port_no, u8 enabled)
 413 {
 414         struct vsc9953_qsys_reg *l2qsys_reg;
 415
 416         /* Administrative down */
 417         if (!vsc9953_l2sw.port[port_no].enabled)
 418                 return;
 419
 420         l2qsys_reg = (struct vsc9953_qsys_reg *)(VSC9953_OFFSET +
 421                         VSC9953_QSYS_OFFSET);
 422
 423         if (enabled)
 424                 setbits_le32(&l2qsys_reg->sys.switch_port_mode[port_no],
 425                              VSC9953_PORT_ENA);
 426         else
 427                 clrbits_le32(&l2qsys_reg->sys.switch_port_mode[port_no],
 428                              VSC9953_PORT_ENA);
 429 }
 430
 431 /* Start autonegotiation for a VSC9953 PHY */
 432 static void vsc9953_phy_autoneg(int port_no)
 433 {
 434         if (!vsc9953_l2sw.port[port_no].phydev)
 435                 return;
 436
 437         if (vsc9953_l2sw.port[port_no].phydev->drv->startup(
 438                         vsc9953_l2sw.port[port_no].phydev))
 439                 printf("Failed to start PHY for port %d\n", port_no);
 440 }
 441
 442 /* Print a VSC9953 port's configuration */
 443 static void vsc9953_port_config_show(int port_no)
 444 {
 445         int speed;
 446         int duplex;
 447         int link;
 448         u8 enabled;
 449         u32 val;
 450         struct vsc9953_qsys_reg *l2qsys_reg;
 451
 452         l2qsys_reg = (struct vsc9953_qsys_reg *)(VSC9953_OFFSET +
 453                         VSC9953_QSYS_OFFSET);
 454
 455         val = in_le32(&l2qsys_reg->sys.switch_port_mode[port_no]);
 456         enabled = vsc9953_l2sw.port[port_no].enabled &&
 457                   (val & VSC9953_PORT_ENA);
 458
 459         /* internal ports (8 and 9) are fixed */
 460         if (VSC9953_INTERNAL_PORT_CHECK(port_no)) {
 461                 link = 1;
 462                 speed = SPEED_2500;
 463                 duplex = DUPLEX_FULL;
 464         } else {
 465                 if (vsc9953_l2sw.port[port_no].phydev) {
 466                         link = vsc9953_l2sw.port[port_no].phydev->link;
 467                         speed = vsc9953_l2sw.port[port_no].phydev->speed;
 468                         duplex = vsc9953_l2sw.port[port_no].phydev->duplex;
 469                 } else {
 470                         link = -1;
 471                         speed = -1;
 472                         duplex = -1;
 473                 }
 474         }
 475
 476         printf("%8d ", port_no);
 477         printf("%8s ", enabled == 1 ? "enabled" : "disabled");
 478         printf("%8s ", link == 1 ? "up" : "down");
 479
 480         switch (speed) {
 481         case SPEED_10:
 482                 printf("%8d ", 10);
 483                 break;
 484         case SPEED_100:
 485                 printf("%8d ", 100);
 486                 break;
 487         case SPEED_1000:
 488                 printf("%8d ", 1000);
 489                 break;
 490         case SPEED_2500:
 491                 printf("%8d ", 2500);
 492                 break;
 493         case SPEED_10000:
 494                 printf("%8d ", 10000);
 495                 break;
 496         default:
 497                 printf("%8s ", "-");
 498         }
 499
 500         printf("%8s\n", duplex == DUPLEX_FULL ? "full" : "half");
 501 }
 502
 503 /* Show VSC9953 ports' statistics */
 504 static void vsc9953_port_statistics_show(int port_no)
 505 {
 506         u32 rx_val;
 507         u32 tx_val;
 508         struct vsc9953_system_reg *l2sys_reg;
 509
 510         /* Administrative down */
 511         if (!vsc9953_l2sw.port[port_no].enabled) {
 512                 printf("Port %d is administrative down\n", port_no);
 513                 return;
 514         }
 515
 516         l2sys_reg = (struct vsc9953_system_reg *)(VSC9953_OFFSET +
 517                         VSC9953_SYS_OFFSET);
 518
 519         printf("Statistics for L2 Switch port %d:\n", port_no);
 520
 521         /* Set counter view for our port */
 522         out_le32(&l2sys_reg->sys.stat_cfg, port_no);
 523
 524 #define VSC9953_STATS_PRINTF "%-15s %10u"
 525
 526         /* Get number of Rx and Tx frames */
 527         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_short) +
 528                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_frag) +
 529                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_jabber) +
 530                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_long) +
 531                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_64) +
 532                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_65_127) +
 533                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_128_255) +
 534                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_256_511) +
 535                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_512_1023) +
 536                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_1024_1526) +
 537                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_jumbo);
 538         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_64) +
 539                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_65_127) +
 540                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_128_255) +
 541                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_256_511) +
 542                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_512_1023) +
 543                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_1024_1526) +
 544                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_jumbo);
 545         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 546                "Rx frames:", rx_val, "Tx frames:", tx_val);
 547
 548         /* Get number of Rx and Tx bytes */
 549         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_oct);
 550         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_oct);
 551         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 552                "Rx bytes:", rx_val, "Tx bytes:", tx_val);
 553
 554         /* Get number of Rx frames received ok and Tx frames sent ok */
 555         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_0) +
 556                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_1) +
 557                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_2) +
 558                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_3) +
 559                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_4) +
 560                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_5) +
 561                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_6) +
 562                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_7) +
 563                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_0) +
 564                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_1) +
 565                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_2) +
 566                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_3) +
 567                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_4) +
 568                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_5) +
 569                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_6) +
 570                  in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_7);
 571         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_64) +
 572                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_65_127) +
 573                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_128_255) +
 574                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_256_511) +
 575                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_512_1023) +
 576                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_1024_1526) +
 577                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_jumbo);
 578         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 579                "Rx frames ok:", rx_val, "Tx frames ok:", tx_val);
 580
 581         /* Get number of Rx and Tx unicast frames */
 582         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_uc);
 583         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_uc);
 584         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 585                "Rx unicast:", rx_val, "Tx unicast:", tx_val);
 586
 587         /* Get number of Rx and Tx broadcast frames */
 588         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_bc);
 589         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_bc);
 590         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 591                "Rx broadcast:", rx_val, "Tx broadcast:", tx_val);
 592
 593         /* Get number of Rx and Tx frames of 64B */
 594         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_64);
 595         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_64);
 596         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 597                "Rx 64B:", rx_val, "Tx 64B:", tx_val);
 598
 599         /* Get number of Rx and Tx frames with sizes between 65B and 127B */
 600         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_65_127);
 601         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_65_127);
 602         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 603                "Rx 65B-127B:", rx_val, "Tx 65B-127B:", tx_val);
 604
 605         /* Get number of Rx and Tx frames with sizes between 128B and 255B */
 606         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_128_255);
 607         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_128_255);
 608         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 609                "Rx 128B-255B:", rx_val, "Tx 128B-255B:", tx_val);
 610
 611         /* Get number of Rx and Tx frames with sizes between 256B and 511B */
 612         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_256_511);
 613         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_256_511);
 614         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 615                "Rx 256B-511B:", rx_val, "Tx 256B-511B:", tx_val);
 616
 617         /* Get number of Rx and Tx frames with sizes between 512B and 1023B */
 618         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_512_1023);
 619         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_512_1023);
 620         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 621                "Rx 512B-1023B:", rx_val, "Tx 512B-1023B:", tx_val);
 622
 623         /* Get number of Rx and Tx frames with sizes between 1024B and 1526B */
 624         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_1024_1526);
 625         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_1024_1526);
 626         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 627                "Rx 1024B-1526B:", rx_val, "Tx 1024B-1526B:", tx_val);
 628
 629         /* Get number of Rx and Tx jumbo frames */
 630         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_jumbo);
 631         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_jumbo);
 632         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 633                "Rx jumbo:", rx_val, "Tx jumbo:", tx_val);
 634
 635         /* Get number of Rx and Tx dropped frames */
 636         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_cat_drop) +
 637                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_tail) +
 638                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_0) +
 639                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_1) +
 640                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_2) +
 641                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_3) +
 642                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_4) +
 643                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_5) +
 644                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_6) +
 645                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_7) +
 646                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_0) +
 647                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_1) +
 648                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_2) +
 649                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_3) +
 650                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_4) +
 651                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_5) +
 652                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_6) +
 653                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_7);
 654         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_drop) +
 655                  in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_aged);
 656         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 657                "Rx drops:", rx_val, "Tx drops:", tx_val);
 658
 659         /*
 660          * Get number of Rx frames with CRC or alignment errors
 661          * and number of detected Tx collisions
 662          */
 663         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_crc);
 664         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_col);
 665         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 666                "Rx CRC&align:", rx_val, "Tx coll:", tx_val);
 667
 668         /*
 669          * Get number of Rx undersized frames and
 670          * number of Tx aged frames
 671          */
 672         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_short);
 673         tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_aged);
 674         printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
 675                "Rx undersize:", rx_val, "Tx aged:", tx_val);
 676
 677         /* Get number of Rx oversized frames */
 678         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_long);
 679         printf(VSC9953_STATS_PRINTF"\n", "Rx oversized:", rx_val);
 680
 681         /* Get number of Rx fragmented frames */
 682         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_frag);
 683         printf(VSC9953_STATS_PRINTF"\n", "Rx fragments:", rx_val);
 684
 685         /* Get number of Rx jabber errors */
 686         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_jabber);
 687         printf(VSC9953_STATS_PRINTF"\n", "Rx jabbers:", rx_val);
 688
 689         /*
 690          * Get number of Rx frames filtered due to classification rules or
 691          * no destination ports
 692          */
 693         rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_cat_drop) +
 694                  in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_local);
 695         printf(VSC9953_STATS_PRINTF"\n", "Rx filtered:", rx_val);
 696
 697         printf("\n");
 698 }
 699
 700 /* Clear statistics for a VSC9953 port */
 701 static void vsc9953_port_statistics_clear(int port_no)
 702 {
 703         struct vsc9953_system_reg *l2sys_reg;
 704
 705         /* Administrative down */
 706         if (!vsc9953_l2sw.port[port_no].enabled) {
 707                 printf("Port %d is administrative down\n", port_no);
 708                 return;
 709         }
 710
 711         l2sys_reg = (struct vsc9953_system_reg *)(VSC9953_OFFSET +
 712                         VSC9953_SYS_OFFSET);
 713
 714         /* Clear all counter groups for our ports */
 715         out_le32(&l2sys_reg->sys.stat_cfg, port_no |
 716                  VSC9953_STAT_CLEAR_RX | VSC9953_STAT_CLEAR_TX |
 717                  VSC9953_STAT_CLEAR_DR);
 718 }
 719
 720 enum port_learn_mode {
 721         PORT_LEARN_NONE,
 722         PORT_LEARN_AUTO
 723 };
 724
 725 /* Set learning configuration for a VSC9953 port */
 726 static void vsc9953_port_learn_mode_set(int port_no, enum port_learn_mode mode)
 727 {
 728         struct vsc9953_analyzer *l2ana_reg;
 729
 730         /* Administrative down */
 731         if (!vsc9953_l2sw.port[port_no].enabled) {
 732                 printf("Port %d is administrative down\n", port_no);
 733                 return;
 734         }
 735
 736         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 737                         VSC9953_ANA_OFFSET);
 738
 739         switch (mode) {
 740         case PORT_LEARN_NONE:
 741                 clrbits_le32(&l2ana_reg->port[port_no].port_cfg,
 742                              VSC9953_PORT_CFG_LEARN_DROP |
 743                              VSC9953_PORT_CFG_LEARN_CPU |
 744                              VSC9953_PORT_CFG_LEARN_AUTO |
 745                              VSC9953_PORT_CFG_LEARN_ENA);
 746                 break;
 747         case PORT_LEARN_AUTO:
 748                 clrsetbits_le32(&l2ana_reg->port[port_no].port_cfg,
 749                                 VSC9953_PORT_CFG_LEARN_DROP |
 750                                 VSC9953_PORT_CFG_LEARN_CPU,
 751                                 VSC9953_PORT_CFG_LEARN_ENA |
 752                                 VSC9953_PORT_CFG_LEARN_AUTO);
 753                 break;
 754         default:
 755                 printf("Unknown learn mode for port %d\n", port_no);
 756         }
 757 }
 758
 759 /* Get learning configuration for a VSC9953 port */
 760 static int vsc9953_port_learn_mode_get(int port_no, enum port_learn_mode *mode)
 761 {
 762         u32 val;
 763         struct vsc9953_analyzer *l2ana_reg;
 764
 765         /* Administrative down */
 766         if (!vsc9953_l2sw.port[port_no].enabled) {
 767                 printf("Port %d is administrative down\n", port_no);
 768                 return -1;
 769         }
 770
 771         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
 772                         VSC9953_ANA_OFFSET);
 773
 774         /* For now we only support HW learning (auto) and no learning */
 775         val = in_le32(&l2ana_reg->port[port_no].port_cfg);
 776         if ((val & (VSC9953_PORT_CFG_LEARN_ENA |
 777                     VSC9953_PORT_CFG_LEARN_AUTO)) ==
 778             (VSC9953_PORT_CFG_LEARN_ENA | VSC9953_PORT_CFG_LEARN_AUTO))
 779                 *mode = PORT_LEARN_AUTO;
 780         else
 781                 *mode = PORT_LEARN_NONE;
 782
 783         return 0;
 784 }
 785
 786 static int vsc9953_port_status_key_func(struct ethsw_command_def *parsed_cmd)
 787 {
 788         int i;
 789         u8 enabled;
 790
 791         /* Last keyword should tell us if we should enable/disable the port */
 792         if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
 793             ethsw_id_enable)
 794                 enabled = 1;
 795         else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
 796                  ethsw_id_disable)
 797                 enabled = 0;
 798         else
 799                 return CMD_RET_USAGE;
 800
 801         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
 802                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
 803                         printf("Invalid port number: %d\n", parsed_cmd->port);
 804                         return CMD_RET_FAILURE;
 805                 }
 806                 vsc9953_port_status_set(parsed_cmd->port, enabled);
 807         } else {
 808                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
 809                         vsc9953_port_status_set(i, enabled);
 810         }
 811
 812         return CMD_RET_SUCCESS;
 813 }
 814
 815 static int vsc9953_port_config_key_func(struct ethsw_command_def *parsed_cmd)
 816 {
 817         int i;
 818
 819         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
 820                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
 821                         printf("Invalid port number: %d\n", parsed_cmd->port);
 822                         return CMD_RET_FAILURE;
 823                 }
 824                 vsc9953_phy_autoneg(parsed_cmd->port);
 825                 printf("%8s %8s %8s %8s %8s\n",
 826                        "Port", "Status", "Link", "Speed",
 827                        "Duplex");
 828                 vsc9953_port_config_show(parsed_cmd->port);
 829
 830         } else {
 831                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
 832                         vsc9953_phy_autoneg(i);
 833                 printf("%8s %8s %8s %8s %8s\n",
 834                        "Port", "Status", "Link", "Speed", "Duplex");
 835                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
 836                         vsc9953_port_config_show(i);
 837         }
 838
 839         return CMD_RET_SUCCESS;
 840 }
 841
 842 static int vsc9953_port_stats_key_func(struct ethsw_command_def *parsed_cmd)
 843 {
 844         int i;
 845
 846         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
 847                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
 848                         printf("Invalid port number: %d\n", parsed_cmd->port);
 849                         return CMD_RET_FAILURE;
 850                 }
 851                 vsc9953_port_statistics_show(parsed_cmd->port);
 852         } else {
 853                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
 854                         vsc9953_port_statistics_show(i);
 855         }
 856
 857         return CMD_RET_SUCCESS;
 858 }
 859
 860 static int vsc9953_port_stats_clear_key_func(struct ethsw_command_def
 861                                              *parsed_cmd)
 862 {
 863         int i;
 864
 865         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
 866                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
 867                         printf("Invalid port number: %d\n", parsed_cmd->port);
 868                         return CMD_RET_FAILURE;
 869                 }
 870                 vsc9953_port_statistics_clear(parsed_cmd->port);
 871         } else {
 872                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
 873                         vsc9953_port_statistics_clear(i);
 874         }
 875
 876         return CMD_RET_SUCCESS;
 877 }
 878
 879 static int vsc9953_learn_show_key_func(struct ethsw_command_def *parsed_cmd)
 880 {
 881         int i;
 882         enum port_learn_mode mode;
 883
 884         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
 885                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
 886                         printf("Invalid port number: %d\n", parsed_cmd->port);
 887                         return CMD_RET_FAILURE;
 888                 }
 889                 if (vsc9953_port_learn_mode_get(parsed_cmd->port, &mode))
 890                         return CMD_RET_FAILURE;
 891                 printf("%7s %11s\n", "Port", "Learn mode");
 892                 switch (mode) {
 893                 case PORT_LEARN_NONE:
 894                         printf("%7d %11s\n", parsed_cmd->port, "disable");
 895                         break;
 896                 case PORT_LEARN_AUTO:
 897                         printf("%7d %11s\n", parsed_cmd->port, "auto");
 898                         break;
 899                 default:
 900                         printf("%7d %11s\n", parsed_cmd->port, "-");
 901                 }
 902         } else {
 903                 printf("%7s %11s\n", "Port", "Learn mode");
 904                 for (i = 0; i < VSC9953_MAX_PORTS; i++) {
 905                         if (vsc9953_port_learn_mode_get(i, &mode))
 906                                 continue;
 907                         switch (mode) {
 908                         case PORT_LEARN_NONE:
 909                                 printf("%7d %11s\n", i, "disable");
 910                                 break;
 911                         case PORT_LEARN_AUTO:
 912                                 printf("%7d %11s\n", i, "auto");
 913                                 break;
 914                         default:
 915                                 printf("%7d %11s\n", i, "-");
 916                         }
 917                 }
 918         }
 919
 920         return CMD_RET_SUCCESS;
 921 }
 922
 923 static int vsc9953_learn_set_key_func(struct ethsw_command_def *parsed_cmd)
 924 {
 925         int i;
 926         enum port_learn_mode mode;
 927
 928         /* Last keyword should tell us the learn mode */
 929         if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
 930             ethsw_id_auto)
 931                 mode = PORT_LEARN_AUTO;
 932         else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
 933                  ethsw_id_disable)
 934                 mode = PORT_LEARN_NONE;
 935         else
 936                 return CMD_RET_USAGE;
 937
 938         if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
 939                 if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
 940                         printf("Invalid port number: %d\n", parsed_cmd->port);
 941                         return CMD_RET_FAILURE;
 942                 }
 943                 vsc9953_port_learn_mode_set(parsed_cmd->port, mode);
 944         } else {
 945                 for (i = 0; i < VSC9953_MAX_PORTS; i++)
 946                         vsc9953_port_learn_mode_set(i, mode);
 947         }
 948
 949         return CMD_RET_SUCCESS;
 950 }
 951
 952 static struct ethsw_command_func vsc9953_cmd_func = {
 953                 .ethsw_name = "L2 Switch VSC9953",
 954                 .port_enable = &vsc9953_port_status_key_func,
 955                 .port_disable = &vsc9953_port_status_key_func,
 956                 .port_show = &vsc9953_port_config_key_func,
 957                 .port_stats = &vsc9953_port_stats_key_func,
 958                 .port_stats_clear = &vsc9953_port_stats_clear_key_func,
 959                 .port_learn = &vsc9953_learn_set_key_func,
 960                 .port_learn_show = &vsc9953_learn_show_key_func,
 961 };
 962
 963 #endif /* CONFIG_CMD_ETHSW */
 964
 965 /*****************************************************************************
 966 At startup, the default configuration would be:
 967         - HW learning enabled on all ports; (HW default)
 968         - All ports are in VLAN 1;
 969         - All ports are VLAN aware;
 970         - All ports have POP_COUNT 1;
 971         - All ports have PVID 1;
 972         - All ports have TPID 0x8100; (HW default)
 973         - All ports tag frames classified to all VLANs that are not PVID;
 974 *****************************************************************************/
 975 void vsc9953_default_configuration(void)
 976 {
 977         int i;
 978
 979         for (i = 0; i < VSC9953_MAX_VLAN; i++)
 980                 vsc9953_vlan_table_membership_all_set(i, 0);
 981         vsc9953_port_all_vlan_aware_set(1);
 982         vsc9953_port_all_vlan_pvid_set(1);
 983         vsc9953_port_all_vlan_poncnt_set(1);
 984         vsc9953_vlan_table_membership_all_set(1, 1);
 985         vsc9953_vlan_ingr_fltr_learn_drop(1);
 986         vsc9953_port_all_vlan_egress_untagged_set(EGRESS_UNTAG_PVID_AND_ZERO);
 987 }
 988
 989 void vsc9953_init(bd_t *bis)
 990 {
 991         u32 i;
 992         u32 hdx_cfg = 0;
 993         u32 phy_addr = 0;
 994         int timeout;
 995         struct vsc9953_system_reg *l2sys_reg;
 996         struct vsc9953_qsys_reg *l2qsys_reg;
 997         struct vsc9953_dev_gmii *l2dev_gmii_reg;
 998         struct vsc9953_analyzer *l2ana_reg;
 999         struct vsc9953_devcpu_gcb *l2dev_gcb;
1000
1001         l2dev_gmii_reg = (struct vsc9953_dev_gmii *)(VSC9953_OFFSET +
1002                         VSC9953_DEV_GMII_OFFSET);
1003
1004         l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1005                         VSC9953_ANA_OFFSET);
1006
1007         l2sys_reg = (struct vsc9953_system_reg *)(VSC9953_OFFSET +
1008                         VSC9953_SYS_OFFSET);
1009
1010         l2qsys_reg = (struct vsc9953_qsys_reg *)(VSC9953_OFFSET +
1011                         VSC9953_QSYS_OFFSET);
1012
1013         l2dev_gcb = (struct vsc9953_devcpu_gcb *)(VSC9953_OFFSET +
1014                         VSC9953_DEVCPU_GCB);
1015
1016         out_le32(&l2dev_gcb->chip_regs.soft_rst,
1017                  VSC9953_SOFT_SWC_RST_ENA);
1018         timeout = 50000;
1019         while ((in_le32(&l2dev_gcb->chip_regs.soft_rst) &
1020                         VSC9953_SOFT_SWC_RST_ENA) && --timeout)
1021                 udelay(1); /* busy wait for vsc9953 soft reset */
1022         if (timeout == 0)
1023                 debug("Timeout waiting for VSC9953 to reset\n");
1024
1025         out_le32(&l2sys_reg->sys.reset_cfg, VSC9953_MEM_ENABLE |
1026                  VSC9953_MEM_INIT);
1027
1028         timeout = 50000;
1029         while ((in_le32(&l2sys_reg->sys.reset_cfg) &
1030                 VSC9953_MEM_INIT) && --timeout)
1031                 udelay(1); /* busy wait for vsc9953 memory init */
1032         if (timeout == 0)
1033                 debug("Timeout waiting for VSC9953 memory to initialize\n");
1034
1035         out_le32(&l2sys_reg->sys.reset_cfg, (in_le32(&l2sys_reg->sys.reset_cfg)
1036                         | VSC9953_CORE_ENABLE));
1037
1038         /* VSC9953 Setting to be done once only */
1039         out_le32(&l2qsys_reg->sys.ext_cpu_cfg, 0x00000b00);
1040
1041         for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1042                 if (vsc9953_port_init(i))
1043                         printf("Failed to initialize l2switch port %d\n", i);
1044
1045                 /* Enable VSC9953 GMII Ports Port ID 0 - 7 */
1046                 if (VSC9953_INTERNAL_PORT_CHECK(i)) {
1047                         out_le32(&l2ana_reg->pfc[i].pfc_cfg,
1048                                  VSC9953_PFC_FC_QSGMII);
1049                         out_le32(&l2sys_reg->pause_cfg.mac_fc_cfg[i],
1050                                  VSC9953_MAC_FC_CFG_QSGMII);
1051                 } else {
1052                         out_le32(&l2ana_reg->pfc[i].pfc_cfg,
1053                                  VSC9953_PFC_FC);
1054                         out_le32(&l2sys_reg->pause_cfg.mac_fc_cfg[i],
1055                                  VSC9953_MAC_FC_CFG);
1056                 }
1057                 out_le32(&l2dev_gmii_reg->port_mode.clock_cfg,
1058                          VSC9953_CLOCK_CFG);
1059                 out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_ena_cfg,
1060                          VSC9953_MAC_ENA_CFG);
1061                 out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_mode_cfg,
1062                          VSC9953_MAC_MODE_CFG);
1063                 out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_ifg_cfg,
1064                          VSC9953_MAC_IFG_CFG);
1065                 /* mac_hdx_cfg varies with port id*/
1066                 hdx_cfg = VSC9953_MAC_HDX_CFG | (i << 16);
1067                 out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_hdx_cfg, hdx_cfg);
1068                 out_le32(&l2sys_reg->sys.front_port_mode[i],
1069                          VSC9953_FRONT_PORT_MODE);
1070                 setbits_le32(&l2qsys_reg->sys.switch_port_mode[i],
1071                              VSC9953_PORT_ENA);
1072                 out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_maxlen_cfg,
1073                          VSC9953_MAC_MAX_LEN);
1074                 out_le32(&l2sys_reg->pause_cfg.pause_cfg[i],
1075                          VSC9953_PAUSE_CFG);
1076                 /* WAIT FOR 2 us*/
1077                 udelay(2);
1078
1079                 l2dev_gmii_reg = (struct vsc9953_dev_gmii *)(
1080                                 (char *)l2dev_gmii_reg
1081                                 + T1040_SWITCH_GMII_DEV_OFFSET);
1082
1083                 /* Initialize Lynx PHY Wrappers */
1084                 phy_addr = 0;
1085                 if (vsc9953_l2sw.port[i].enet_if ==
1086                                 PHY_INTERFACE_MODE_QSGMII)
1087                         phy_addr = (i + 0x4) & 0x1F;
1088                 else if (vsc9953_l2sw.port[i].enet_if ==
1089                                 PHY_INTERFACE_MODE_SGMII)
1090                         phy_addr = (i + 1) & 0x1F;
1091
1092                 if (phy_addr) {
1093                         /* SGMII IF mode + AN enable */
1094                         vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
1095                                            0x14, PHY_SGMII_IF_MODE_AN |
1096                                            PHY_SGMII_IF_MODE_SGMII);
1097                         /* Dev ability according to SGMII specification */
1098                         vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
1099                                            0x4, PHY_SGMII_DEV_ABILITY_SGMII);
1100                         /* Adjust link timer for SGMII
1101                          * 1.6 ms in units of 8 ns = 2 * 10^5 = 0x30d40
1102                          */
1103                         vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
1104                                            0x13, 0x0003);
1105                         vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
1106                                            0x12, 0x0d40);
1107                         /* Restart AN */
1108                         vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
1109                                            0x0, PHY_SGMII_CR_DEF_VAL |
1110                                            PHY_SGMII_CR_RESET_AN);
1111
1112                         timeout = 50000;
1113                         while ((vsc9953_mdio_read(&l2dev_gcb->mii_mng[0],
1114                                         phy_addr, 0x01) & 0x0020) && --timeout)
1115                                 udelay(1); /* wait for AN to complete */
1116                         if (timeout == 0)
1117                                 debug("Timeout waiting for AN to complete\n");
1118                 }
1119         }
1120
1121         vsc9953_default_configuration();
1122
1123 #ifdef CONFIG_CMD_ETHSW
1124         if (ethsw_define_functions(&vsc9953_cmd_func) < 0)
1125                 debug("Unable to use \"ethsw\" commands\n");
1126 #endif
1127
1128         printf("VSC9953 L2 switch initialized\n");
1129         return;
1130 }