arch/powerpc/sysdev/fsl_soc.c

   1 /*
   2  * FSL SoC setup code
   3  *
   4  * Maintained by Kumar Gala (see MAINTAINERS for contact information)
   5  *
   6  * 2006 (c) MontaVista Software, Inc.
   7  * Vitaly Bordug <vbordug@ru.mvista.com>
   8  *
   9  * This program is free software; you can redistribute  it and/or modify it
  10  * under  the terms of  the GNU General  Public License as published by the
  11  * Free Software Foundation;  either version 2 of the  License, or (at your
  12  * option) any later version.
  13  */
  14
  15 #include <linux/stddef.h>
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/errno.h>
  19 #include <linux/major.h>
  20 #include <linux/delay.h>
  21 #include <linux/irq.h>
  22 #include <linux/module.h>
  23 #include <linux/device.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/phy.h>
  26 #include <linux/fsl_devices.h>
  27 #include <linux/fs_enet_pd.h>
  28 #include <linux/fs_uart_pd.h>
  29
  30 #include <asm/system.h>
  31 #include <asm/atomic.h>
  32 #include <asm/io.h>
  33 #include <asm/irq.h>
  34 #include <asm/time.h>
  35 #include <asm/prom.h>
  36 #include <sysdev/fsl_soc.h>
  37 #include <mm/mmu_decl.h>
  38 #include <asm/cpm2.h>
  39
  40 extern void init_fcc_ioports(struct fs_platform_info*);
  41 extern void init_fec_ioports(struct fs_platform_info*);
  42 extern void init_smc_ioports(struct fs_uart_platform_info*);
  43 static phys_addr_t immrbase = -1;
  44
  45 phys_addr_t get_immrbase(void)
  46 {
  47         struct device_node *soc;
  48
  49         if (immrbase != -1)
  50                 return immrbase;
  51
  52         soc = of_find_node_by_type(NULL, "soc");
  53         if (soc) {
  54                 unsigned int size;
  55                 const void *prop = get_property(soc, "reg", &size);
  56
  57                 if (prop)
  58                         immrbase = of_translate_address(soc, prop);
  59                 of_node_put(soc);
  60         };
  61
  62         return immrbase;
  63 }
  64
  65 EXPORT_SYMBOL(get_immrbase);
  66
  67 #if defined(CONFIG_CPM2) || defined(CONFIG_8xx)
  68
  69 static u32 brgfreq = -1;
  70
  71 u32 get_brgfreq(void)
  72 {
  73         struct device_node *node;
  74
  75         if (brgfreq != -1)
  76                 return brgfreq;
  77
  78         node = of_find_node_by_type(NULL, "cpm");
  79         if (node) {
  80                 unsigned int size;
  81                 const unsigned int *prop = get_property(node, "brg-frequency",
  82                                         &size);
  83
  84                 if (prop)
  85                         brgfreq = *prop;
  86                 of_node_put(node);
  87         };
  88
  89         return brgfreq;
  90 }
  91
  92 EXPORT_SYMBOL(get_brgfreq);
  93
  94 static u32 fs_baudrate = -1;
  95
  96 u32 get_baudrate(void)
  97 {
  98         struct device_node *node;
  99
 100         if (fs_baudrate != -1)
 101                 return fs_baudrate;
 102
 103         node = of_find_node_by_type(NULL, "serial");
 104         if (node) {
 105                 unsigned int size;
 106                 const unsigned int *prop = get_property(node, "current-speed",
 107                                 &size);
 108
 109                 if (prop)
 110                         fs_baudrate = *prop;
 111                 of_node_put(node);
 112         };
 113
 114         return fs_baudrate;
 115 }
 116
 117 EXPORT_SYMBOL(get_baudrate);
 118 #endif /* CONFIG_CPM2 */
 119
 120 static int __init gfar_mdio_of_init(void)
 121 {
 122         struct device_node *np;
 123         unsigned int i;
 124         struct platform_device *mdio_dev;
 125         struct resource res;
 126         int ret;
 127
 128         for (np = NULL, i = 0;
 129              (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
 130              i++) {
 131                 int k;
 132                 struct device_node *child = NULL;
 133                 struct gianfar_mdio_data mdio_data;
 134
 135                 memset(&res, 0, sizeof(res));
 136                 memset(&mdio_data, 0, sizeof(mdio_data));
 137
 138                 ret = of_address_to_resource(np, 0, &res);
 139                 if (ret)
 140                         goto err;
 141
 142                 mdio_dev =
 143                     platform_device_register_simple("fsl-gianfar_mdio",
 144                                                     res.start, &res, 1);
 145                 if (IS_ERR(mdio_dev)) {
 146                         ret = PTR_ERR(mdio_dev);
 147                         goto err;
 148                 }
 149
 150                 for (k = 0; k < 32; k++)
 151                         mdio_data.irq[k] = PHY_POLL;
 152
 153                 while ((child = of_get_next_child(np, child)) != NULL) {
 154                         int irq = irq_of_parse_and_map(child, 0);
 155                         if (irq != NO_IRQ) {
 156                                 const u32 *id = get_property(child, "reg", NULL);
 157                                 mdio_data.irq[*id] = irq;
 158                         }
 159                 }
 160
 161                 ret =
 162                     platform_device_add_data(mdio_dev, &mdio_data,
 163                                              sizeof(struct gianfar_mdio_data));
 164                 if (ret)
 165                         goto unreg;
 166         }
 167
 168         return 0;
 169
 170 unreg:
 171         platform_device_unregister(mdio_dev);
 172 err:
 173         return ret;
 174 }
 175
 176 arch_initcall(gfar_mdio_of_init);
 177
 178 static const char *gfar_tx_intr = "tx";
 179 static const char *gfar_rx_intr = "rx";
 180 static const char *gfar_err_intr = "error";
 181
 182
 183 static int __init gfar_of_init(void)
 184 {
 185         struct device_node *np;
 186         unsigned int i;
 187         struct platform_device *gfar_dev;
 188         struct resource res;
 189         int ret;
 190
 191         for (np = NULL, i = 0;
 192              (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
 193              i++) {
 194                 struct resource r[4];
 195                 struct device_node *phy, *mdio;
 196                 struct gianfar_platform_data gfar_data;
 197                 const unsigned int *id;
 198                 const char *model;
 199                 const void *mac_addr;
 200                 const phandle *ph;
 201                 int n_res = 2;
 202
 203                 memset(r, 0, sizeof(r));
 204                 memset(&gfar_data, 0, sizeof(gfar_data));
 205
 206                 ret = of_address_to_resource(np, 0, &r[0]);
 207                 if (ret)
 208                         goto err;
 209
 210                 of_irq_to_resource(np, 0, &r[1]);
 211
 212                 model = get_property(np, "model", NULL);
 213
 214                 /* If we aren't the FEC we have multiple interrupts */
 215                 if (model && strcasecmp(model, "FEC")) {
 216                         r[1].name = gfar_tx_intr;
 217
 218                         r[2].name = gfar_rx_intr;
 219                         of_irq_to_resource(np, 1, &r[2]);
 220
 221                         r[3].name = gfar_err_intr;
 222                         of_irq_to_resource(np, 2, &r[3]);
 223
 224                         n_res += 2;
 225                 }
 226
 227                 gfar_dev =
 228                     platform_device_register_simple("fsl-gianfar", i, &r[0],
 229                                                     n_res);
 230
 231                 if (IS_ERR(gfar_dev)) {
 232                         ret = PTR_ERR(gfar_dev);
 233                         goto err;
 234                 }
 235
 236                 mac_addr = get_property(np, "local-mac-address", NULL);
 237                 if (mac_addr == NULL)
 238                         mac_addr = get_property(np, "mac-address", NULL);
 239                 if (mac_addr == NULL) {
 240                         /* Obsolete */
 241                         mac_addr = get_property(np, "address", NULL);
 242                 }
 243
 244                 if (mac_addr)
 245                         memcpy(gfar_data.mac_addr, mac_addr, 6);
 246
 247                 if (model && !strcasecmp(model, "TSEC"))
 248                         gfar_data.device_flags =
 249                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 250                             FSL_GIANFAR_DEV_HAS_COALESCE |
 251                             FSL_GIANFAR_DEV_HAS_RMON |
 252                             FSL_GIANFAR_DEV_HAS_MULTI_INTR;
 253                 if (model && !strcasecmp(model, "eTSEC"))
 254                         gfar_data.device_flags =
 255                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 256                             FSL_GIANFAR_DEV_HAS_COALESCE |
 257                             FSL_GIANFAR_DEV_HAS_RMON |
 258                             FSL_GIANFAR_DEV_HAS_MULTI_INTR |
 259                             FSL_GIANFAR_DEV_HAS_CSUM |
 260                             FSL_GIANFAR_DEV_HAS_VLAN |
 261                             FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
 262
 263                 ph = get_property(np, "phy-handle", NULL);
 264                 phy = of_find_node_by_phandle(*ph);
 265
 266                 if (phy == NULL) {
 267                         ret = -ENODEV;
 268                         goto unreg;
 269                 }
 270
 271                 mdio = of_get_parent(phy);
 272
 273                 id = get_property(phy, "reg", NULL);
 274                 ret = of_address_to_resource(mdio, 0, &res);
 275                 if (ret) {
 276                         of_node_put(phy);
 277                         of_node_put(mdio);
 278                         goto unreg;
 279                 }
 280
 281                 gfar_data.phy_id = *id;
 282                 gfar_data.bus_id = res.start;
 283
 284                 of_node_put(phy);
 285                 of_node_put(mdio);
 286
 287                 ret =
 288                     platform_device_add_data(gfar_dev, &gfar_data,
 289                                              sizeof(struct
 290                                                     gianfar_platform_data));
 291                 if (ret)
 292                         goto unreg;
 293         }
 294
 295         return 0;
 296
 297 unreg:
 298         platform_device_unregister(gfar_dev);
 299 err:
 300         return ret;
 301 }
 302
 303 arch_initcall(gfar_of_init);
 304
 305 static int __init fsl_i2c_of_init(void)
 306 {
 307         struct device_node *np;
 308         unsigned int i;
 309         struct platform_device *i2c_dev;
 310         int ret;
 311
 312         for (np = NULL, i = 0;
 313              (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
 314              i++) {
 315                 struct resource r[2];
 316                 struct fsl_i2c_platform_data i2c_data;
 317                 const unsigned char *flags = NULL;
 318
 319                 memset(&r, 0, sizeof(r));
 320                 memset(&i2c_data, 0, sizeof(i2c_data));
 321
 322                 ret = of_address_to_resource(np, 0, &r[0]);
 323                 if (ret)
 324                         goto err;
 325
 326                 of_irq_to_resource(np, 0, &r[1]);
 327
 328                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 329                 if (IS_ERR(i2c_dev)) {
 330                         ret = PTR_ERR(i2c_dev);
 331                         goto err;
 332                 }
 333
 334                 i2c_data.device_flags = 0;
 335                 flags = get_property(np, "dfsrr", NULL);
 336                 if (flags)
 337                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 338
 339                 flags = get_property(np, "fsl5200-clocking", NULL);
 340                 if (flags)
 341                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
 342
 343                 ret =
 344                     platform_device_add_data(i2c_dev, &i2c_data,
 345                                              sizeof(struct
 346                                                     fsl_i2c_platform_data));
 347                 if (ret)
 348                         goto unreg;
 349         }
 350
 351         return 0;
 352
 353 unreg:
 354         platform_device_unregister(i2c_dev);
 355 err:
 356         return ret;
 357 }
 358
 359 arch_initcall(fsl_i2c_of_init);
 360
 361 #ifdef CONFIG_PPC_83xx
 362 static int __init mpc83xx_wdt_init(void)
 363 {
 364         struct resource r;
 365         struct device_node *soc, *np;
 366         struct platform_device *dev;
 367         const unsigned int *freq;
 368         int ret;
 369
 370         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 371
 372         if (!np) {
 373                 ret = -ENODEV;
 374                 goto nodev;
 375         }
 376
 377         soc = of_find_node_by_type(NULL, "soc");
 378
 379         if (!soc) {
 380                 ret = -ENODEV;
 381                 goto nosoc;
 382         }
 383
 384         freq = get_property(soc, "bus-frequency", NULL);
 385         if (!freq) {
 386                 ret = -ENODEV;
 387                 goto err;
 388         }
 389
 390         memset(&r, 0, sizeof(r));
 391
 392         ret = of_address_to_resource(np, 0, &r);
 393         if (ret)
 394                 goto err;
 395
 396         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 397         if (IS_ERR(dev)) {
 398                 ret = PTR_ERR(dev);
 399                 goto err;
 400         }
 401
 402         ret = platform_device_add_data(dev, freq, sizeof(int));
 403         if (ret)
 404                 goto unreg;
 405
 406         of_node_put(soc);
 407         of_node_put(np);
 408
 409         return 0;
 410
 411 unreg:
 412         platform_device_unregister(dev);
 413 err:
 414         of_node_put(soc);
 415 nosoc:
 416         of_node_put(np);
 417 nodev:
 418         return ret;
 419 }
 420
 421 arch_initcall(mpc83xx_wdt_init);
 422 #endif
 423
 424 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 425 {
 426         if (!phy_type)
 427                 return FSL_USB2_PHY_NONE;
 428         if (!strcasecmp(phy_type, "ulpi"))
 429                 return FSL_USB2_PHY_ULPI;
 430         if (!strcasecmp(phy_type, "utmi"))
 431                 return FSL_USB2_PHY_UTMI;
 432         if (!strcasecmp(phy_type, "utmi_wide"))
 433                 return FSL_USB2_PHY_UTMI_WIDE;
 434         if (!strcasecmp(phy_type, "serial"))
 435                 return FSL_USB2_PHY_SERIAL;
 436
 437         return FSL_USB2_PHY_NONE;
 438 }
 439
 440 static int __init fsl_usb_of_init(void)
 441 {
 442         struct device_node *np;
 443         unsigned int i;
 444         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
 445                 *usb_dev_dr_client = NULL;
 446         int ret;
 447
 448         for (np = NULL, i = 0;
 449              (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
 450              i++) {
 451                 struct resource r[2];
 452                 struct fsl_usb2_platform_data usb_data;
 453                 const unsigned char *prop = NULL;
 454
 455                 memset(&r, 0, sizeof(r));
 456                 memset(&usb_data, 0, sizeof(usb_data));
 457
 458                 ret = of_address_to_resource(np, 0, &r[0]);
 459                 if (ret)
 460                         goto err;
 461
 462                 of_irq_to_resource(np, 0, &r[1]);
 463
 464                 usb_dev_mph =
 465                     platform_device_register_simple("fsl-ehci", i, r, 2);
 466                 if (IS_ERR(usb_dev_mph)) {
 467                         ret = PTR_ERR(usb_dev_mph);
 468                         goto err;
 469                 }
 470
 471                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 472                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
 473
 474                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
 475
 476                 prop = get_property(np, "port0", NULL);
 477                 if (prop)
 478                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
 479
 480                 prop = get_property(np, "port1", NULL);
 481                 if (prop)
 482                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
 483
 484                 prop = get_property(np, "phy_type", NULL);
 485                 usb_data.phy_mode = determine_usb_phy(prop);
 486
 487                 ret =
 488                     platform_device_add_data(usb_dev_mph, &usb_data,
 489                                              sizeof(struct
 490                                                     fsl_usb2_platform_data));
 491                 if (ret)
 492                         goto unreg_mph;
 493         }
 494
 495         for (np = NULL;
 496              (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
 497              i++) {
 498                 struct resource r[2];
 499                 struct fsl_usb2_platform_data usb_data;
 500                 const unsigned char *prop = NULL;
 501
 502                 memset(&r, 0, sizeof(r));
 503                 memset(&usb_data, 0, sizeof(usb_data));
 504
 505                 ret = of_address_to_resource(np, 0, &r[0]);
 506                 if (ret)
 507                         goto unreg_mph;
 508
 509                 of_irq_to_resource(np, 0, &r[1]);
 510
 511                 prop = get_property(np, "dr_mode", NULL);
 512
 513                 if (!prop || !strcmp(prop, "host")) {
 514                         usb_data.operating_mode = FSL_USB2_DR_HOST;
 515                         usb_dev_dr_host = platform_device_register_simple(
 516                                         "fsl-ehci", i, r, 2);
 517                         if (IS_ERR(usb_dev_dr_host)) {
 518                                 ret = PTR_ERR(usb_dev_dr_host);
 519                                 goto err;
 520                         }
 521                 } else if (prop && !strcmp(prop, "peripheral")) {
 522                         usb_data.operating_mode = FSL_USB2_DR_DEVICE;
 523                         usb_dev_dr_client = platform_device_register_simple(
 524                                         "fsl-usb2-udc", i, r, 2);
 525                         if (IS_ERR(usb_dev_dr_client)) {
 526                                 ret = PTR_ERR(usb_dev_dr_client);
 527                                 goto err;
 528                         }
 529                 } else if (prop && !strcmp(prop, "otg")) {
 530                         usb_data.operating_mode = FSL_USB2_DR_OTG;
 531                         usb_dev_dr_host = platform_device_register_simple(
 532                                         "fsl-ehci", i, r, 2);
 533                         if (IS_ERR(usb_dev_dr_host)) {
 534                                 ret = PTR_ERR(usb_dev_dr_host);
 535                                 goto err;
 536                         }
 537                         usb_dev_dr_client = platform_device_register_simple(
 538                                         "fsl-usb2-udc", i, r, 2);
 539                         if (IS_ERR(usb_dev_dr_client)) {
 540                                 ret = PTR_ERR(usb_dev_dr_client);
 541                                 goto err;
 542                         }
 543                 } else {
 544                         ret = -EINVAL;
 545                         goto err;
 546                 }
 547
 548                 prop = get_property(np, "phy_type", NULL);
 549                 usb_data.phy_mode = determine_usb_phy(prop);
 550
 551                 if (usb_dev_dr_host) {
 552                         usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
 553                         usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
 554                                 dev.coherent_dma_mask;
 555                         if ((ret = platform_device_add_data(usb_dev_dr_host,
 556                                                 &usb_data, sizeof(struct
 557                                                 fsl_usb2_platform_data))))
 558                                 goto unreg_dr;
 559                 }
 560                 if (usb_dev_dr_client) {
 561                         usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
 562                         usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
 563                                 dev.coherent_dma_mask;
 564                         if ((ret = platform_device_add_data(usb_dev_dr_client,
 565                                                 &usb_data, sizeof(struct
 566                                                 fsl_usb2_platform_data))))
 567                                 goto unreg_dr;
 568                 }
 569         }
 570         return 0;
 571
 572 unreg_dr:
 573         if (usb_dev_dr_host)
 574                 platform_device_unregister(usb_dev_dr_host);
 575         if (usb_dev_dr_client)
 576                 platform_device_unregister(usb_dev_dr_client);
 577 unreg_mph:
 578         if (usb_dev_mph)
 579                 platform_device_unregister(usb_dev_mph);
 580 err:
 581         return ret;
 582 }
 583
 584 arch_initcall(fsl_usb_of_init);
 585
 586 #ifdef CONFIG_CPM2
 587
 588 extern void init_scc_ioports(struct fs_uart_platform_info*);
 589
 590 static const char fcc_regs[] = "fcc_regs";
 591 static const char fcc_regs_c[] = "fcc_regs_c";
 592 static const char fcc_pram[] = "fcc_pram";
 593 static char bus_id[9][BUS_ID_SIZE];
 594
 595 static int __init fs_enet_of_init(void)
 596 {
 597         struct device_node *np;
 598         unsigned int i;
 599         struct platform_device *fs_enet_dev;
 600         struct resource res;
 601         int ret;
 602
 603         for (np = NULL, i = 0;
 604              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 605              i++) {
 606                 struct resource r[4];
 607                 struct device_node *phy, *mdio;
 608                 struct fs_platform_info fs_enet_data;
 609                 const unsigned int *id, *phy_addr, *phy_irq;
 610                 const void *mac_addr;
 611                 const phandle *ph;
 612                 const char *model;
 613
 614                 memset(r, 0, sizeof(r));
 615                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 616
 617                 ret = of_address_to_resource(np, 0, &r[0]);
 618                 if (ret)
 619                         goto err;
 620                 r[0].name = fcc_regs;
 621
 622                 ret = of_address_to_resource(np, 1, &r[1]);
 623                 if (ret)
 624                         goto err;
 625                 r[1].name = fcc_pram;
 626
 627                 ret = of_address_to_resource(np, 2, &r[2]);
 628                 if (ret)
 629                         goto err;
 630                 r[2].name = fcc_regs_c;
 631                 fs_enet_data.fcc_regs_c = r[2].start;
 632
 633                 of_irq_to_resource(np, 0, &r[3]);
 634
 635                 fs_enet_dev =
 636                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
 637
 638                 if (IS_ERR(fs_enet_dev)) {
 639                         ret = PTR_ERR(fs_enet_dev);
 640                         goto err;
 641                 }
 642
 643                 model = get_property(np, "model", NULL);
 644                 if (model == NULL) {
 645                         ret = -ENODEV;
 646                         goto unreg;
 647                 }
 648
 649                 mac_addr = get_property(np, "mac-address", NULL);
 650                 memcpy(fs_enet_data.macaddr, mac_addr, 6);
 651
 652                 ph = get_property(np, "phy-handle", NULL);
 653                 phy = of_find_node_by_phandle(*ph);
 654
 655                 if (phy == NULL) {
 656                         ret = -ENODEV;
 657                         goto unreg;
 658                 }
 659
 660                 phy_addr = get_property(phy, "reg", NULL);
 661                 fs_enet_data.phy_addr = *phy_addr;
 662
 663                 phy_irq = get_property(phy, "interrupts", NULL);
 664
 665                 id = get_property(np, "device-id", NULL);
 666                 fs_enet_data.fs_no = *id;
 667                 strcpy(fs_enet_data.fs_type, model);
 668
 669                 mdio = of_get_parent(phy);
 670                 ret = of_address_to_resource(mdio, 0, &res);
 671                 if (ret) {
 672                         of_node_put(phy);
 673                         of_node_put(mdio);
 674                         goto unreg;
 675                 }
 676
 677                 fs_enet_data.clk_rx = *((u32 *) get_property(np, "rx-clock", NULL));
 678                 fs_enet_data.clk_tx = *((u32 *) get_property(np, "tx-clock", NULL));
 679
 680                 if (strstr(model, "FCC")) {
 681                         int fcc_index = *id - 1;
 682                         const unsigned char *mdio_bb_prop;
 683
 684                         fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
 685                         fs_enet_data.rx_ring = 32;
 686                         fs_enet_data.tx_ring = 32;
 687                         fs_enet_data.rx_copybreak = 240;
 688                         fs_enet_data.use_napi = 0;
 689                         fs_enet_data.napi_weight = 17;
 690                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
 691                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
 692                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
 693
 694                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
 695                                                         (u32)res.start, fs_enet_data.phy_addr);
 696                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
 697                         fs_enet_data.init_ioports = init_fcc_ioports;
 698
 699                         mdio_bb_prop = get_property(phy, "bitbang", NULL);
 700                         if (mdio_bb_prop) {
 701                                 struct platform_device *fs_enet_mdio_bb_dev;
 702                                 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
 703
 704                                 fs_enet_mdio_bb_dev =
 705                                         platform_device_register_simple("fsl-bb-mdio",
 706                                                         i, NULL, 0);
 707                                 memset(&fs_enet_mdio_bb_data, 0,
 708                                                 sizeof(struct fs_mii_bb_platform_info));
 709                                 fs_enet_mdio_bb_data.mdio_dat.bit =
 710                                         mdio_bb_prop[0];
 711                                 fs_enet_mdio_bb_data.mdio_dir.bit =
 712                                         mdio_bb_prop[1];
 713                                 fs_enet_mdio_bb_data.mdc_dat.bit =
 714                                         mdio_bb_prop[2];
 715                                 fs_enet_mdio_bb_data.mdio_port =
 716                                         mdio_bb_prop[3];
 717                                 fs_enet_mdio_bb_data.mdc_port =
 718                                         mdio_bb_prop[4];
 719                                 fs_enet_mdio_bb_data.delay =
 720                                         mdio_bb_prop[5];
 721
 722                                 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
 723                                 fs_enet_mdio_bb_data.irq[1] = -1;
 724                                 fs_enet_mdio_bb_data.irq[2] = -1;
 725                                 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
 726                                 fs_enet_mdio_bb_data.irq[31] = -1;
 727
 728                                 fs_enet_mdio_bb_data.mdio_dat.offset =
 729                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 730                                 fs_enet_mdio_bb_data.mdio_dir.offset =
 731                                         (u32)&cpm2_immr->im_ioport.iop_pdirc;
 732                                 fs_enet_mdio_bb_data.mdc_dat.offset =
 733                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 734
 735                                 ret = platform_device_add_data(
 736                                                 fs_enet_mdio_bb_dev,
 737                                                 &fs_enet_mdio_bb_data,
 738                                                 sizeof(struct fs_mii_bb_platform_info));
 739                                 if (ret)
 740                                         goto unreg;
 741                         }
 742
 743                         of_node_put(phy);
 744                         of_node_put(mdio);
 745
 746                         ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
 747                                                      sizeof(struct
 748                                                             fs_platform_info));
 749                         if (ret)
 750                                 goto unreg;
 751                 }
 752         }
 753         return 0;
 754
 755 unreg:
 756         platform_device_unregister(fs_enet_dev);
 757 err:
 758         return ret;
 759 }
 760
 761 arch_initcall(fs_enet_of_init);
 762
 763 static const char scc_regs[] = "regs";
 764 static const char scc_pram[] = "pram";
 765
 766 static int __init cpm_uart_of_init(void)
 767 {
 768         struct device_node *np;
 769         unsigned int i;
 770         struct platform_device *cpm_uart_dev;
 771         int ret;
 772
 773         for (np = NULL, i = 0;
 774              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
 775              i++) {
 776                 struct resource r[3];
 777                 struct fs_uart_platform_info cpm_uart_data;
 778                 const int *id;
 779                 const char *model;
 780
 781                 memset(r, 0, sizeof(r));
 782                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
 783
 784                 ret = of_address_to_resource(np, 0, &r[0]);
 785                 if (ret)
 786                         goto err;
 787
 788                 r[0].name = scc_regs;
 789
 790                 ret = of_address_to_resource(np, 1, &r[1]);
 791                 if (ret)
 792                         goto err;
 793                 r[1].name = scc_pram;
 794
 795                 of_irq_to_resource(np, 0, &r[2]);
 796
 797                 cpm_uart_dev =
 798                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
 799
 800                 if (IS_ERR(cpm_uart_dev)) {
 801                         ret = PTR_ERR(cpm_uart_dev);
 802                         goto err;
 803                 }
 804
 805                 id = get_property(np, "device-id", NULL);
 806                 cpm_uart_data.fs_no = *id;
 807
 808                 model = (char*)get_property(np, "model", NULL);
 809                 strcpy(cpm_uart_data.fs_type, model);
 810
 811                 cpm_uart_data.uart_clk = ppc_proc_freq;
 812
 813                 cpm_uart_data.tx_num_fifo = 4;
 814                 cpm_uart_data.tx_buf_size = 32;
 815                 cpm_uart_data.rx_num_fifo = 4;
 816                 cpm_uart_data.rx_buf_size = 32;
 817                 cpm_uart_data.clk_rx = *((u32 *) get_property(np, "rx-clock", NULL));
 818                 cpm_uart_data.clk_tx = *((u32 *) get_property(np, "tx-clock", NULL));
 819
 820                 ret =
 821                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
 822                                              sizeof(struct
 823                                                     fs_uart_platform_info));
 824                 if (ret)
 825                         goto unreg;
 826         }
 827
 828         return 0;
 829
 830 unreg:
 831         platform_device_unregister(cpm_uart_dev);
 832 err:
 833         return ret;
 834 }
 835
 836 arch_initcall(cpm_uart_of_init);
 837 #endif /* CONFIG_CPM2 */
 838
 839 #ifdef CONFIG_8xx
 840
 841 extern void init_scc_ioports(struct fs_platform_info*);
 842 extern int platform_device_skip(char *model, int id);
 843
 844 static int __init fs_enet_mdio_of_init(void)
 845 {
 846         struct device_node *np;
 847         unsigned int i;
 848         struct platform_device *mdio_dev;
 849         struct resource res;
 850         int ret;
 851
 852         for (np = NULL, i = 0;
 853              (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
 854              i++) {
 855                 struct fs_mii_fec_platform_info mdio_data;
 856
 857                 memset(&res, 0, sizeof(res));
 858                 memset(&mdio_data, 0, sizeof(mdio_data));
 859
 860                 ret = of_address_to_resource(np, 0, &res);
 861                 if (ret)
 862                         goto err;
 863
 864                 mdio_dev =
 865                     platform_device_register_simple("fsl-cpm-fec-mdio",
 866                                                     res.start, &res, 1);
 867                 if (IS_ERR(mdio_dev)) {
 868                         ret = PTR_ERR(mdio_dev);
 869                         goto err;
 870                 }
 871
 872                 mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
 873
 874                 ret =
 875                     platform_device_add_data(mdio_dev, &mdio_data,
 876                                              sizeof(struct fs_mii_fec_platform_info));
 877                 if (ret)
 878                         goto unreg;
 879         }
 880         return 0;
 881
 882 unreg:
 883         platform_device_unregister(mdio_dev);
 884 err:
 885         return ret;
 886 }
 887
 888 arch_initcall(fs_enet_mdio_of_init);
 889
 890 static const char *enet_regs = "regs";
 891 static const char *enet_pram = "pram";
 892 static const char *enet_irq = "interrupt";
 893 static char bus_id[9][BUS_ID_SIZE];
 894
 895 static int __init fs_enet_of_init(void)
 896 {
 897         struct device_node *np;
 898         unsigned int i;
 899         struct platform_device *fs_enet_dev = NULL;
 900         struct resource res;
 901         int ret;
 902
 903         for (np = NULL, i = 0;
 904              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 905              i++) {
 906                 struct resource r[4];
 907                 struct device_node *phy = NULL, *mdio = NULL;
 908                 struct fs_platform_info fs_enet_data;
 909                 unsigned int *id, *phy_addr;
 910                 void *mac_addr;
 911                 phandle *ph;
 912                 char *model;
 913
 914                 memset(r, 0, sizeof(r));
 915                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 916
 917                 model = (char *)get_property(np, "model", NULL);
 918                 if (model == NULL) {
 919                         ret = -ENODEV;
 920                         goto unreg;
 921                 }
 922
 923                 id = (u32 *) get_property(np, "device-id", NULL);
 924                 fs_enet_data.fs_no = *id;
 925
 926                 if (platform_device_skip(model, *id))
 927                         continue;
 928
 929                 ret = of_address_to_resource(np, 0, &r[0]);
 930                 if (ret)
 931                         goto err;
 932                 r[0].name = enet_regs;
 933
 934                 mac_addr = (void *)get_property(np, "mac-address", NULL);
 935                 memcpy(fs_enet_data.macaddr, mac_addr, 6);
 936
 937                 ph = (phandle *) get_property(np, "phy-handle", NULL);
 938                 if (ph != NULL)
 939                         phy = of_find_node_by_phandle(*ph);
 940
 941                 if (phy != NULL) {
 942                         phy_addr = (u32 *) get_property(phy, "reg", NULL);
 943                         fs_enet_data.phy_addr = *phy_addr;
 944                         fs_enet_data.has_phy = 1;
 945
 946                         mdio = of_get_parent(phy);
 947                         ret = of_address_to_resource(mdio, 0, &res);
 948                         if (ret) {
 949                                 of_node_put(phy);
 950                                 of_node_put(mdio);
 951                                 goto unreg;
 952                         }
 953                 }
 954
 955                 model = (char*)get_property(np, "model", NULL);
 956                 strcpy(fs_enet_data.fs_type, model);
 957
 958                 if (strstr(model, "FEC")) {
 959                         r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
 960                         r[1].flags = IORESOURCE_IRQ;
 961                         r[1].name = enet_irq;
 962
 963                         fs_enet_dev =
 964                                     platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
 965
 966                         if (IS_ERR(fs_enet_dev)) {
 967                                 ret = PTR_ERR(fs_enet_dev);
 968                                 goto err;
 969                         }
 970
 971                         fs_enet_data.rx_ring = 128;
 972                         fs_enet_data.tx_ring = 16;
 973                         fs_enet_data.rx_copybreak = 240;
 974                         fs_enet_data.use_napi = 1;
 975                         fs_enet_data.napi_weight = 17;
 976
 977                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
 978                                                         (u32)res.start, fs_enet_data.phy_addr);
 979                         fs_enet_data.bus_id = (char*)&bus_id[i];
 980                         fs_enet_data.init_ioports = init_fec_ioports;
 981                 }
 982                 if (strstr(model, "SCC")) {
 983                         ret = of_address_to_resource(np, 1, &r[1]);
 984                         if (ret)
 985                                 goto err;
 986                         r[1].name = enet_pram;
 987
 988                         r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
 989                         r[2].flags = IORESOURCE_IRQ;
 990                         r[2].name = enet_irq;
 991
 992                         fs_enet_dev =
 993                                     platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
 994
 995                         if (IS_ERR(fs_enet_dev)) {
 996                                 ret = PTR_ERR(fs_enet_dev);
 997                                 goto err;
 998                         }
 999
1000                         fs_enet_data.rx_ring = 64;
1001                         fs_enet_data.tx_ring = 8;
1002                         fs_enet_data.rx_copybreak = 240;
1003                         fs_enet_data.use_napi = 1;
1004                         fs_enet_data.napi_weight = 17;
1005
1006                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
1007                         fs_enet_data.bus_id = (char*)&bus_id[i];
1008                         fs_enet_data.init_ioports = init_scc_ioports;
1009                 }
1010
1011                 of_node_put(phy);
1012                 of_node_put(mdio);
1013
1014                 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
1015                                              sizeof(struct
1016                                                     fs_platform_info));
1017                 if (ret)
1018                         goto unreg;
1019         }
1020         return 0;
1021
1022 unreg:
1023         platform_device_unregister(fs_enet_dev);
1024 err:
1025         return ret;
1026 }
1027
1028 arch_initcall(fs_enet_of_init);
1029
1030
1031 static const char *smc_regs = "regs";
1032 static const char *smc_pram = "pram";
1033
1034 static int __init cpm_smc_uart_of_init(void)
1035 {
1036         struct device_node *np;
1037         unsigned int i;
1038         struct platform_device *cpm_uart_dev;
1039         int ret;
1040
1041         for (np = NULL, i = 0;
1042              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
1043              i++) {
1044                 struct resource r[3];
1045                 struct fs_uart_platform_info cpm_uart_data;
1046                 int *id;
1047                 char *model;
1048
1049                 memset(r, 0, sizeof(r));
1050                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
1051
1052                 ret = of_address_to_resource(np, 0, &r[0]);
1053                 if (ret)
1054                         goto err;
1055
1056                 r[0].name = smc_regs;
1057
1058                 ret = of_address_to_resource(np, 1, &r[1]);
1059                 if (ret)
1060                         goto err;
1061                 r[1].name = smc_pram;
1062
1063                 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1064                 r[2].flags = IORESOURCE_IRQ;
1065
1066                 cpm_uart_dev =
1067                     platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
1068
1069                 if (IS_ERR(cpm_uart_dev)) {
1070                         ret = PTR_ERR(cpm_uart_dev);
1071                         goto err;
1072                 }
1073
1074                 model = (char*)get_property(np, "model", NULL);
1075                 strcpy(cpm_uart_data.fs_type, model);
1076
1077                 id = (int*)get_property(np, "device-id", NULL);
1078                 cpm_uart_data.fs_no = *id;
1079                 cpm_uart_data.uart_clk = ppc_proc_freq;
1080
1081                 cpm_uart_data.tx_num_fifo = 4;
1082                 cpm_uart_data.tx_buf_size = 32;
1083                 cpm_uart_data.rx_num_fifo = 4;
1084                 cpm_uart_data.rx_buf_size = 32;
1085
1086                 ret =
1087                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
1088                                              sizeof(struct
1089                                                     fs_uart_platform_info));
1090                 if (ret)
1091                         goto unreg;
1092         }
1093
1094         return 0;
1095
1096 unreg:
1097         platform_device_unregister(cpm_uart_dev);
1098 err:
1099         return ret;
1100 }
1101
1102 arch_initcall(cpm_smc_uart_of_init);
1103
1104 #endif /* CONFIG_8xx */