git.oblomov.eu Git - linux-2.6/blob - 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_scc_ioports(struct fs_uart_platform_info*);
  42 static phys_addr_t immrbase = -1;
  43
  44 phys_addr_t get_immrbase(void)
  45 {
  46         struct device_node *soc;
  47
  48         if (immrbase != -1)
  49                 return immrbase;
  50
  51         soc = of_find_node_by_type(NULL, "soc");
  52         if (soc) {
  53                 unsigned int size;
  54                 const void *prop = get_property(soc, "reg", &size);
  55
  56                 if (prop)
  57                         immrbase = of_translate_address(soc, prop);
  58                 of_node_put(soc);
  59         };
  60
  61         return immrbase;
  62 }
  63
  64 EXPORT_SYMBOL(get_immrbase);
  65
  66 #ifdef CONFIG_CPM2
  67
  68 static u32 brgfreq = -1;
  69
  70 u32 get_brgfreq(void)
  71 {
  72         struct device_node *node;
  73
  74         if (brgfreq != -1)
  75                 return brgfreq;
  76
  77         node = of_find_node_by_type(NULL, "cpm");
  78         if (node) {
  79                 unsigned int size;
  80                 const unsigned int *prop = get_property(node, "brg-frequency",
  81                                         &size);
  82
  83                 if (prop)
  84                         brgfreq = *prop;
  85                 of_node_put(node);
  86         };
  87
  88         return brgfreq;
  89 }
  90
  91 EXPORT_SYMBOL(get_brgfreq);
  92
  93 static u32 fs_baudrate = -1;
  94
  95 u32 get_baudrate(void)
  96 {
  97         struct device_node *node;
  98
  99         if (fs_baudrate != -1)
 100                 return fs_baudrate;
 101
 102         node = of_find_node_by_type(NULL, "serial");
 103         if (node) {
 104                 unsigned int size;
 105                 const unsigned int *prop = get_property(node, "current-speed",
 106                                 &size);
 107
 108                 if (prop)
 109                         fs_baudrate = *prop;
 110                 of_node_put(node);
 111         };
 112
 113         return fs_baudrate;
 114 }
 115
 116 EXPORT_SYMBOL(get_baudrate);
 117 #endif /* CONFIG_CPM2 */
 118
 119 static int __init gfar_mdio_of_init(void)
 120 {
 121         struct device_node *np;
 122         unsigned int i;
 123         struct platform_device *mdio_dev;
 124         struct resource res;
 125         int ret;
 126
 127         for (np = NULL, i = 0;
 128              (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
 129              i++) {
 130                 int k;
 131                 struct device_node *child = NULL;
 132                 struct gianfar_mdio_data mdio_data;
 133
 134                 memset(&res, 0, sizeof(res));
 135                 memset(&mdio_data, 0, sizeof(mdio_data));
 136
 137                 ret = of_address_to_resource(np, 0, &res);
 138                 if (ret)
 139                         goto err;
 140
 141                 mdio_dev =
 142                     platform_device_register_simple("fsl-gianfar_mdio",
 143                                                     res.start, &res, 1);
 144                 if (IS_ERR(mdio_dev)) {
 145                         ret = PTR_ERR(mdio_dev);
 146                         goto err;
 147                 }
 148
 149                 for (k = 0; k < 32; k++)
 150                         mdio_data.irq[k] = PHY_POLL;
 151
 152                 while ((child = of_get_next_child(np, child)) != NULL) {
 153                         int irq = irq_of_parse_and_map(child, 0);
 154                         if (irq != NO_IRQ) {
 155                                 const u32 *id = get_property(child, "reg", NULL);
 156                                 mdio_data.irq[*id] = irq;
 157                         }
 158                 }
 159
 160                 ret =
 161                     platform_device_add_data(mdio_dev, &mdio_data,
 162                                              sizeof(struct gianfar_mdio_data));
 163                 if (ret)
 164                         goto unreg;
 165         }
 166
 167         return 0;
 168
 169 unreg:
 170         platform_device_unregister(mdio_dev);
 171 err:
 172         return ret;
 173 }
 174
 175 arch_initcall(gfar_mdio_of_init);
 176
 177 static const char *gfar_tx_intr = "tx";
 178 static const char *gfar_rx_intr = "rx";
 179 static const char *gfar_err_intr = "error";
 180
 181
 182 static int __init gfar_of_init(void)
 183 {
 184         struct device_node *np;
 185         unsigned int i;
 186         struct platform_device *gfar_dev;
 187         struct resource res;
 188         int ret;
 189
 190         for (np = NULL, i = 0;
 191              (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
 192              i++) {
 193                 struct resource r[4];
 194                 struct device_node *phy, *mdio;
 195                 struct gianfar_platform_data gfar_data;
 196                 const unsigned int *id;
 197                 const char *model;
 198                 const void *mac_addr;
 199                 const phandle *ph;
 200                 int n_res = 2;
 201
 202                 memset(r, 0, sizeof(r));
 203                 memset(&gfar_data, 0, sizeof(gfar_data));
 204
 205                 ret = of_address_to_resource(np, 0, &r[0]);
 206                 if (ret)
 207                         goto err;
 208
 209                 of_irq_to_resource(np, 0, &r[1]);
 210
 211                 model = get_property(np, "model", NULL);
 212
 213                 /* If we aren't the FEC we have multiple interrupts */
 214                 if (model && strcasecmp(model, "FEC")) {
 215                         r[1].name = gfar_tx_intr;
 216
 217                         r[2].name = gfar_rx_intr;
 218                         of_irq_to_resource(np, 1, &r[2]);
 219
 220                         r[3].name = gfar_err_intr;
 221                         of_irq_to_resource(np, 2, &r[3]);
 222
 223                         n_res += 2;
 224                 }
 225
 226                 gfar_dev =
 227                     platform_device_register_simple("fsl-gianfar", i, &r[0],
 228                                                     n_res);
 229
 230                 if (IS_ERR(gfar_dev)) {
 231                         ret = PTR_ERR(gfar_dev);
 232                         goto err;
 233                 }
 234
 235                 mac_addr = get_property(np, "local-mac-address", NULL);
 236                 if (mac_addr == NULL)
 237                         mac_addr = get_property(np, "mac-address", NULL);
 238                 if (mac_addr == NULL) {
 239                         /* Obsolete */
 240                         mac_addr = get_property(np, "address", NULL);
 241                 }
 242
 243                 if (mac_addr)
 244                         memcpy(gfar_data.mac_addr, mac_addr, 6);
 245
 246                 if (model && !strcasecmp(model, "TSEC"))
 247                         gfar_data.device_flags =
 248                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 249                             FSL_GIANFAR_DEV_HAS_COALESCE |
 250                             FSL_GIANFAR_DEV_HAS_RMON |
 251                             FSL_GIANFAR_DEV_HAS_MULTI_INTR;
 252                 if (model && !strcasecmp(model, "eTSEC"))
 253                         gfar_data.device_flags =
 254                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 255                             FSL_GIANFAR_DEV_HAS_COALESCE |
 256                             FSL_GIANFAR_DEV_HAS_RMON |
 257                             FSL_GIANFAR_DEV_HAS_MULTI_INTR |
 258                             FSL_GIANFAR_DEV_HAS_CSUM |
 259                             FSL_GIANFAR_DEV_HAS_VLAN |
 260                             FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
 261
 262                 ph = get_property(np, "phy-handle", NULL);
 263                 phy = of_find_node_by_phandle(*ph);
 264
 265                 if (phy == NULL) {
 266                         ret = -ENODEV;
 267                         goto unreg;
 268                 }
 269
 270                 mdio = of_get_parent(phy);
 271
 272                 id = get_property(phy, "reg", NULL);
 273                 ret = of_address_to_resource(mdio, 0, &res);
 274                 if (ret) {
 275                         of_node_put(phy);
 276                         of_node_put(mdio);
 277                         goto unreg;
 278                 }
 279
 280                 gfar_data.phy_id = *id;
 281                 gfar_data.bus_id = res.start;
 282
 283                 of_node_put(phy);
 284                 of_node_put(mdio);
 285
 286                 ret =
 287                     platform_device_add_data(gfar_dev, &gfar_data,
 288                                              sizeof(struct
 289                                                     gianfar_platform_data));
 290                 if (ret)
 291                         goto unreg;
 292         }
 293
 294         return 0;
 295
 296 unreg:
 297         platform_device_unregister(gfar_dev);
 298 err:
 299         return ret;
 300 }
 301
 302 arch_initcall(gfar_of_init);
 303
 304 static int __init fsl_i2c_of_init(void)
 305 {
 306         struct device_node *np;
 307         unsigned int i;
 308         struct platform_device *i2c_dev;
 309         int ret;
 310
 311         for (np = NULL, i = 0;
 312              (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
 313              i++) {
 314                 struct resource r[2];
 315                 struct fsl_i2c_platform_data i2c_data;
 316                 const unsigned char *flags = NULL;
 317
 318                 memset(&r, 0, sizeof(r));
 319                 memset(&i2c_data, 0, sizeof(i2c_data));
 320
 321                 ret = of_address_to_resource(np, 0, &r[0]);
 322                 if (ret)
 323                         goto err;
 324
 325                 of_irq_to_resource(np, 0, &r[1]);
 326
 327                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 328                 if (IS_ERR(i2c_dev)) {
 329                         ret = PTR_ERR(i2c_dev);
 330                         goto err;
 331                 }
 332
 333                 i2c_data.device_flags = 0;
 334                 flags = get_property(np, "dfsrr", NULL);
 335                 if (flags)
 336                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 337
 338                 flags = get_property(np, "fsl5200-clocking", NULL);
 339                 if (flags)
 340                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
 341
 342                 ret =
 343                     platform_device_add_data(i2c_dev, &i2c_data,
 344                                              sizeof(struct
 345                                                     fsl_i2c_platform_data));
 346                 if (ret)
 347                         goto unreg;
 348         }
 349
 350         return 0;
 351
 352 unreg:
 353         platform_device_unregister(i2c_dev);
 354 err:
 355         return ret;
 356 }
 357
 358 arch_initcall(fsl_i2c_of_init);
 359
 360 #ifdef CONFIG_PPC_83xx
 361 static int __init mpc83xx_wdt_init(void)
 362 {
 363         struct resource r;
 364         struct device_node *soc, *np;
 365         struct platform_device *dev;
 366         const unsigned int *freq;
 367         int ret;
 368
 369         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 370
 371         if (!np) {
 372                 ret = -ENODEV;
 373                 goto nodev;
 374         }
 375
 376         soc = of_find_node_by_type(NULL, "soc");
 377
 378         if (!soc) {
 379                 ret = -ENODEV;
 380                 goto nosoc;
 381         }
 382
 383         freq = get_property(soc, "bus-frequency", NULL);
 384         if (!freq) {
 385                 ret = -ENODEV;
 386                 goto err;
 387         }
 388
 389         memset(&r, 0, sizeof(r));
 390
 391         ret = of_address_to_resource(np, 0, &r);
 392         if (ret)
 393                 goto err;
 394
 395         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 396         if (IS_ERR(dev)) {
 397                 ret = PTR_ERR(dev);
 398                 goto err;
 399         }
 400
 401         ret = platform_device_add_data(dev, freq, sizeof(int));
 402         if (ret)
 403                 goto unreg;
 404
 405         of_node_put(soc);
 406         of_node_put(np);
 407
 408         return 0;
 409
 410 unreg:
 411         platform_device_unregister(dev);
 412 err:
 413         of_node_put(soc);
 414 nosoc:
 415         of_node_put(np);
 416 nodev:
 417         return ret;
 418 }
 419
 420 arch_initcall(mpc83xx_wdt_init);
 421 #endif
 422
 423 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 424 {
 425         if (!phy_type)
 426                 return FSL_USB2_PHY_NONE;
 427         if (!strcasecmp(phy_type, "ulpi"))
 428                 return FSL_USB2_PHY_ULPI;
 429         if (!strcasecmp(phy_type, "utmi"))
 430                 return FSL_USB2_PHY_UTMI;
 431         if (!strcasecmp(phy_type, "utmi_wide"))
 432                 return FSL_USB2_PHY_UTMI_WIDE;
 433         if (!strcasecmp(phy_type, "serial"))
 434                 return FSL_USB2_PHY_SERIAL;
 435
 436         return FSL_USB2_PHY_NONE;
 437 }
 438
 439 static int __init fsl_usb_of_init(void)
 440 {
 441         struct device_node *np;
 442         unsigned int i;
 443         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr = NULL;
 444         int ret;
 445
 446         for (np = NULL, i = 0;
 447              (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
 448              i++) {
 449                 struct resource r[2];
 450                 struct fsl_usb2_platform_data usb_data;
 451                 const unsigned char *prop = NULL;
 452
 453                 memset(&r, 0, sizeof(r));
 454                 memset(&usb_data, 0, sizeof(usb_data));
 455
 456                 ret = of_address_to_resource(np, 0, &r[0]);
 457                 if (ret)
 458                         goto err;
 459
 460                 of_irq_to_resource(np, 0, &r[1]);
 461
 462                 usb_dev_mph =
 463                     platform_device_register_simple("fsl-ehci", i, r, 2);
 464                 if (IS_ERR(usb_dev_mph)) {
 465                         ret = PTR_ERR(usb_dev_mph);
 466                         goto err;
 467                 }
 468
 469                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 470                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
 471
 472                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
 473
 474                 prop = get_property(np, "port0", NULL);
 475                 if (prop)
 476                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
 477
 478                 prop = get_property(np, "port1", NULL);
 479                 if (prop)
 480                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
 481
 482                 prop = get_property(np, "phy_type", NULL);
 483                 usb_data.phy_mode = determine_usb_phy(prop);
 484
 485                 ret =
 486                     platform_device_add_data(usb_dev_mph, &usb_data,
 487                                              sizeof(struct
 488                                                     fsl_usb2_platform_data));
 489                 if (ret)
 490                         goto unreg_mph;
 491         }
 492
 493         for (np = NULL;
 494              (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
 495              i++) {
 496                 struct resource r[2];
 497                 struct fsl_usb2_platform_data usb_data;
 498                 const unsigned char *prop = NULL;
 499
 500                 memset(&r, 0, sizeof(r));
 501                 memset(&usb_data, 0, sizeof(usb_data));
 502
 503                 ret = of_address_to_resource(np, 0, &r[0]);
 504                 if (ret)
 505                         goto unreg_mph;
 506
 507                 of_irq_to_resource(np, 0, &r[1]);
 508
 509                 usb_dev_dr =
 510                     platform_device_register_simple("fsl-ehci", i, r, 2);
 511                 if (IS_ERR(usb_dev_dr)) {
 512                         ret = PTR_ERR(usb_dev_dr);
 513                         goto err;
 514                 }
 515
 516                 usb_dev_dr->dev.coherent_dma_mask = 0xffffffffUL;
 517                 usb_dev_dr->dev.dma_mask = &usb_dev_dr->dev.coherent_dma_mask;
 518
 519                 usb_data.operating_mode = FSL_USB2_DR_HOST;
 520
 521                 prop = get_property(np, "phy_type", NULL);
 522                 usb_data.phy_mode = determine_usb_phy(prop);
 523
 524                 ret =
 525                     platform_device_add_data(usb_dev_dr, &usb_data,
 526                                              sizeof(struct
 527                                                     fsl_usb2_platform_data));
 528                 if (ret)
 529                         goto unreg_dr;
 530         }
 531         return 0;
 532
 533 unreg_dr:
 534         if (usb_dev_dr)
 535                 platform_device_unregister(usb_dev_dr);
 536 unreg_mph:
 537         if (usb_dev_mph)
 538                 platform_device_unregister(usb_dev_mph);
 539 err:
 540         return ret;
 541 }
 542
 543 arch_initcall(fsl_usb_of_init);
 544
 545 #ifdef CONFIG_CPM2
 546
 547 static const char fcc_regs[] = "fcc_regs";
 548 static const char fcc_regs_c[] = "fcc_regs_c";
 549 static const char fcc_pram[] = "fcc_pram";
 550 static char bus_id[9][BUS_ID_SIZE];
 551
 552 static int __init fs_enet_of_init(void)
 553 {
 554         struct device_node *np;
 555         unsigned int i;
 556         struct platform_device *fs_enet_dev;
 557         struct resource res;
 558         int ret;
 559
 560         for (np = NULL, i = 0;
 561              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 562              i++) {
 563                 struct resource r[4];
 564                 struct device_node *phy, *mdio;
 565                 struct fs_platform_info fs_enet_data;
 566                 const unsigned int *id, *phy_addr, *phy_irq;
 567                 const void *mac_addr;
 568                 const phandle *ph;
 569                 const char *model;
 570
 571                 memset(r, 0, sizeof(r));
 572                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 573
 574                 ret = of_address_to_resource(np, 0, &r[0]);
 575                 if (ret)
 576                         goto err;
 577                 r[0].name = fcc_regs;
 578
 579                 ret = of_address_to_resource(np, 1, &r[1]);
 580                 if (ret)
 581                         goto err;
 582                 r[1].name = fcc_pram;
 583
 584                 ret = of_address_to_resource(np, 2, &r[2]);
 585                 if (ret)
 586                         goto err;
 587                 r[2].name = fcc_regs_c;
 588                 fs_enet_data.fcc_regs_c = r[2].start;
 589
 590                 of_irq_to_resource(np, 0, &r[3]);
 591
 592                 fs_enet_dev =
 593                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
 594
 595                 if (IS_ERR(fs_enet_dev)) {
 596                         ret = PTR_ERR(fs_enet_dev);
 597                         goto err;
 598                 }
 599
 600                 model = get_property(np, "model", NULL);
 601                 if (model == NULL) {
 602                         ret = -ENODEV;
 603                         goto unreg;
 604                 }
 605
 606                 mac_addr = get_property(np, "mac-address", NULL);
 607                 memcpy(fs_enet_data.macaddr, mac_addr, 6);
 608
 609                 ph = get_property(np, "phy-handle", NULL);
 610                 phy = of_find_node_by_phandle(*ph);
 611
 612                 if (phy == NULL) {
 613                         ret = -ENODEV;
 614                         goto unreg;
 615                 }
 616
 617                 phy_addr = get_property(phy, "reg", NULL);
 618                 fs_enet_data.phy_addr = *phy_addr;
 619
 620                 phy_irq = get_property(phy, "interrupts", NULL);
 621
 622                 id = get_property(np, "device-id", NULL);
 623                 fs_enet_data.fs_no = *id;
 624                 strcpy(fs_enet_data.fs_type, model);
 625
 626                 mdio = of_get_parent(phy);
 627                 ret = of_address_to_resource(mdio, 0, &res);
 628                 if (ret) {
 629                         of_node_put(phy);
 630                         of_node_put(mdio);
 631                         goto unreg;
 632                 }
 633
 634                 fs_enet_data.clk_rx = *((u32 *) get_property(np, "rx-clock", NULL));
 635                 fs_enet_data.clk_tx = *((u32 *) get_property(np, "tx-clock", NULL));
 636
 637                 if (strstr(model, "FCC")) {
 638                         int fcc_index = *id - 1;
 639                         const unsigned char *mdio_bb_prop;
 640
 641                         fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
 642                         fs_enet_data.rx_ring = 32;
 643                         fs_enet_data.tx_ring = 32;
 644                         fs_enet_data.rx_copybreak = 240;
 645                         fs_enet_data.use_napi = 0;
 646                         fs_enet_data.napi_weight = 17;
 647                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
 648                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
 649                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
 650
 651                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
 652                                                         (u32)res.start, fs_enet_data.phy_addr);
 653                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
 654                         fs_enet_data.init_ioports = init_fcc_ioports;
 655
 656                         mdio_bb_prop = get_property(phy, "bitbang", NULL);
 657                         if (mdio_bb_prop) {
 658                                 struct platform_device *fs_enet_mdio_bb_dev;
 659                                 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
 660
 661                                 fs_enet_mdio_bb_dev =
 662                                         platform_device_register_simple("fsl-bb-mdio",
 663                                                         i, NULL, 0);
 664                                 memset(&fs_enet_mdio_bb_data, 0,
 665                                                 sizeof(struct fs_mii_bb_platform_info));
 666                                 fs_enet_mdio_bb_data.mdio_dat.bit =
 667                                         mdio_bb_prop[0];
 668                                 fs_enet_mdio_bb_data.mdio_dir.bit =
 669                                         mdio_bb_prop[1];
 670                                 fs_enet_mdio_bb_data.mdc_dat.bit =
 671                                         mdio_bb_prop[2];
 672                                 fs_enet_mdio_bb_data.mdio_port =
 673                                         mdio_bb_prop[3];
 674                                 fs_enet_mdio_bb_data.mdc_port =
 675                                         mdio_bb_prop[4];
 676                                 fs_enet_mdio_bb_data.delay =
 677                                         mdio_bb_prop[5];
 678
 679                                 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
 680                                 fs_enet_mdio_bb_data.irq[1] = -1;
 681                                 fs_enet_mdio_bb_data.irq[2] = -1;
 682                                 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
 683                                 fs_enet_mdio_bb_data.irq[31] = -1;
 684
 685                                 fs_enet_mdio_bb_data.mdio_dat.offset =
 686                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 687                                 fs_enet_mdio_bb_data.mdio_dir.offset =
 688                                         (u32)&cpm2_immr->im_ioport.iop_pdirc;
 689                                 fs_enet_mdio_bb_data.mdc_dat.offset =
 690                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 691
 692                                 ret = platform_device_add_data(
 693                                                 fs_enet_mdio_bb_dev,
 694                                                 &fs_enet_mdio_bb_data,
 695                                                 sizeof(struct fs_mii_bb_platform_info));
 696                                 if (ret)
 697                                         goto unreg;
 698                         }
 699
 700                         of_node_put(phy);
 701                         of_node_put(mdio);
 702
 703                         ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
 704                                                      sizeof(struct
 705                                                             fs_platform_info));
 706                         if (ret)
 707                                 goto unreg;
 708                 }
 709         }
 710         return 0;
 711
 712 unreg:
 713         platform_device_unregister(fs_enet_dev);
 714 err:
 715         return ret;
 716 }
 717
 718 arch_initcall(fs_enet_of_init);
 719
 720 static const char scc_regs[] = "regs";
 721 static const char scc_pram[] = "pram";
 722
 723 static int __init cpm_uart_of_init(void)
 724 {
 725         struct device_node *np;
 726         unsigned int i;
 727         struct platform_device *cpm_uart_dev;
 728         int ret;
 729
 730         for (np = NULL, i = 0;
 731              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
 732              i++) {
 733                 struct resource r[3];
 734                 struct fs_uart_platform_info cpm_uart_data;
 735                 const int *id;
 736                 const char *model;
 737
 738                 memset(r, 0, sizeof(r));
 739                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
 740
 741                 ret = of_address_to_resource(np, 0, &r[0]);
 742                 if (ret)
 743                         goto err;
 744
 745                 r[0].name = scc_regs;
 746
 747                 ret = of_address_to_resource(np, 1, &r[1]);
 748                 if (ret)
 749                         goto err;
 750                 r[1].name = scc_pram;
 751
 752                 of_irq_to_resource(np, 0, &r[2]);
 753
 754                 cpm_uart_dev =
 755                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
 756
 757                 if (IS_ERR(cpm_uart_dev)) {
 758                         ret = PTR_ERR(cpm_uart_dev);
 759                         goto err;
 760                 }
 761
 762                 id = get_property(np, "device-id", NULL);
 763                 cpm_uart_data.fs_no = *id;
 764
 765                 model = (char*)get_property(np, "model", NULL);
 766                 strcpy(cpm_uart_data.fs_type, model);
 767
 768                 cpm_uart_data.uart_clk = ppc_proc_freq;
 769
 770                 cpm_uart_data.tx_num_fifo = 4;
 771                 cpm_uart_data.tx_buf_size = 32;
 772                 cpm_uart_data.rx_num_fifo = 4;
 773                 cpm_uart_data.rx_buf_size = 32;
 774                 cpm_uart_data.clk_rx = *((u32 *) get_property(np, "rx-clock", NULL));
 775                 cpm_uart_data.clk_tx = *((u32 *) get_property(np, "tx-clock", NULL));
 776
 777                 ret =
 778                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
 779                                              sizeof(struct
 780                                                     fs_uart_platform_info));
 781                 if (ret)
 782                         goto unreg;
 783         }
 784
 785         return 0;
 786
 787 unreg:
 788         platform_device_unregister(cpm_uart_dev);
 789 err:
 790         return ret;
 791 }
 792
 793 arch_initcall(cpm_uart_of_init);
 794 #endif /* CONFIG_CPM2 */