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/of_platform.h>
  26 #include <linux/phy.h>
  27 #include <linux/phy_fixed.h>
  28 #include <linux/spi/spi.h>
  29 #include <linux/fsl_devices.h>
  30 #include <linux/fs_enet_pd.h>
  31 #include <linux/fs_uart_pd.h>
  32
  33 #include <asm/system.h>
  34 #include <asm/atomic.h>
  35 #include <asm/io.h>
  36 #include <asm/irq.h>
  37 #include <asm/time.h>
  38 #include <asm/prom.h>
  39 #include <sysdev/fsl_soc.h>
  40 #include <mm/mmu_decl.h>
  41 #include <asm/cpm2.h>
  42
  43 extern void init_fcc_ioports(struct fs_platform_info*);
  44 extern void init_fec_ioports(struct fs_platform_info*);
  45 extern void init_smc_ioports(struct fs_uart_platform_info*);
  46 static phys_addr_t immrbase = -1;
  47
  48 phys_addr_t get_immrbase(void)
  49 {
  50         struct device_node *soc;
  51
  52         if (immrbase != -1)
  53                 return immrbase;
  54
  55         soc = of_find_node_by_type(NULL, "soc");
  56         if (soc) {
  57                 int size;
  58                 u32 naddr;
  59                 const u32 *prop = of_get_property(soc, "#address-cells", &size);
  60
  61                 if (prop && size == 4)
  62                         naddr = *prop;
  63                 else
  64                         naddr = 2;
  65
  66                 prop = of_get_property(soc, "ranges", &size);
  67                 if (prop)
  68                         immrbase = of_translate_address(soc, prop + naddr);
  69
  70                 of_node_put(soc);
  71         }
  72
  73         return immrbase;
  74 }
  75
  76 EXPORT_SYMBOL(get_immrbase);
  77
  78 #if defined(CONFIG_CPM2) || defined(CONFIG_8xx)
  79
  80 static u32 brgfreq = -1;
  81
  82 u32 get_brgfreq(void)
  83 {
  84         struct device_node *node;
  85         const unsigned int *prop;
  86         int size;
  87
  88         if (brgfreq != -1)
  89                 return brgfreq;
  90
  91         node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg");
  92         if (node) {
  93                 prop = of_get_property(node, "clock-frequency", &size);
  94                 if (prop && size == 4)
  95                         brgfreq = *prop;
  96
  97                 of_node_put(node);
  98                 return brgfreq;
  99         }
 100
 101         /* Legacy device binding -- will go away when no users are left. */
 102         node = of_find_node_by_type(NULL, "cpm");
 103         if (node) {
 104                 prop = of_get_property(node, "brg-frequency", &size);
 105                 if (prop && size == 4)
 106                         brgfreq = *prop;
 107
 108                 of_node_put(node);
 109         }
 110
 111         return brgfreq;
 112 }
 113
 114 EXPORT_SYMBOL(get_brgfreq);
 115
 116 static u32 fs_baudrate = -1;
 117
 118 u32 get_baudrate(void)
 119 {
 120         struct device_node *node;
 121
 122         if (fs_baudrate != -1)
 123                 return fs_baudrate;
 124
 125         node = of_find_node_by_type(NULL, "serial");
 126         if (node) {
 127                 int size;
 128                 const unsigned int *prop = of_get_property(node,
 129                                 "current-speed", &size);
 130
 131                 if (prop)
 132                         fs_baudrate = *prop;
 133                 of_node_put(node);
 134         }
 135
 136         return fs_baudrate;
 137 }
 138
 139 EXPORT_SYMBOL(get_baudrate);
 140 #endif /* CONFIG_CPM2 */
 141
 142 #ifdef CONFIG_FIXED_PHY
 143 static int __init of_add_fixed_phys(void)
 144 {
 145         int ret;
 146         struct device_node *np;
 147         u32 *fixed_link;
 148         struct fixed_phy_status status = {};
 149
 150         for_each_node_by_name(np, "ethernet") {
 151                 fixed_link  = (u32 *)of_get_property(np, "fixed-link", NULL);
 152                 if (!fixed_link)
 153                         continue;
 154
 155                 status.link = 1;
 156                 status.duplex = fixed_link[1];
 157                 status.speed = fixed_link[2];
 158                 status.pause = fixed_link[3];
 159                 status.asym_pause = fixed_link[4];
 160
 161                 ret = fixed_phy_add(PHY_POLL, fixed_link[0], &status);
 162                 if (ret) {
 163                         of_node_put(np);
 164                         return ret;
 165                 }
 166         }
 167
 168         return 0;
 169 }
 170 arch_initcall(of_add_fixed_phys);
 171 #endif /* CONFIG_FIXED_PHY */
 172
 173 static int __init gfar_mdio_of_init(void)
 174 {
 175         struct device_node *np = NULL;
 176         struct platform_device *mdio_dev;
 177         struct resource res;
 178         int ret;
 179
 180         np = of_find_compatible_node(np, NULL, "fsl,gianfar-mdio");
 181
 182         /* try the deprecated version */
 183         if (!np)
 184                 np = of_find_compatible_node(np, "mdio", "gianfar");
 185
 186         if (np) {
 187                 int k;
 188                 struct device_node *child = NULL;
 189                 struct gianfar_mdio_data mdio_data;
 190
 191                 memset(&res, 0, sizeof(res));
 192                 memset(&mdio_data, 0, sizeof(mdio_data));
 193
 194                 ret = of_address_to_resource(np, 0, &res);
 195                 if (ret)
 196                         goto err;
 197
 198                 mdio_dev =
 199                     platform_device_register_simple("fsl-gianfar_mdio",
 200                                                     res.start, &res, 1);
 201                 if (IS_ERR(mdio_dev)) {
 202                         ret = PTR_ERR(mdio_dev);
 203                         goto err;
 204                 }
 205
 206                 for (k = 0; k < 32; k++)
 207                         mdio_data.irq[k] = PHY_POLL;
 208
 209                 while ((child = of_get_next_child(np, child)) != NULL) {
 210                         int irq = irq_of_parse_and_map(child, 0);
 211                         if (irq != NO_IRQ) {
 212                                 const u32 *id = of_get_property(child,
 213                                                         "reg", NULL);
 214                                 mdio_data.irq[*id] = irq;
 215                         }
 216                 }
 217
 218                 ret =
 219                     platform_device_add_data(mdio_dev, &mdio_data,
 220                                              sizeof(struct gianfar_mdio_data));
 221                 if (ret)
 222                         goto unreg;
 223         }
 224
 225         of_node_put(np);
 226         return 0;
 227
 228 unreg:
 229         platform_device_unregister(mdio_dev);
 230 err:
 231         of_node_put(np);
 232         return ret;
 233 }
 234
 235 arch_initcall(gfar_mdio_of_init);
 236
 237 static const char *gfar_tx_intr = "tx";
 238 static const char *gfar_rx_intr = "rx";
 239 static const char *gfar_err_intr = "error";
 240
 241 static int __init gfar_of_init(void)
 242 {
 243         struct device_node *np;
 244         unsigned int i;
 245         struct platform_device *gfar_dev;
 246         struct resource res;
 247         int ret;
 248
 249         for (np = NULL, i = 0;
 250              (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
 251              i++) {
 252                 struct resource r[4];
 253                 struct device_node *phy, *mdio;
 254                 struct gianfar_platform_data gfar_data;
 255                 const unsigned int *id;
 256                 const char *model;
 257                 const char *ctype;
 258                 const void *mac_addr;
 259                 const phandle *ph;
 260                 int n_res = 2;
 261
 262                 memset(r, 0, sizeof(r));
 263                 memset(&gfar_data, 0, sizeof(gfar_data));
 264
 265                 ret = of_address_to_resource(np, 0, &r[0]);
 266                 if (ret)
 267                         goto err;
 268
 269                 of_irq_to_resource(np, 0, &r[1]);
 270
 271                 model = of_get_property(np, "model", NULL);
 272
 273                 /* If we aren't the FEC we have multiple interrupts */
 274                 if (model && strcasecmp(model, "FEC")) {
 275                         r[1].name = gfar_tx_intr;
 276
 277                         r[2].name = gfar_rx_intr;
 278                         of_irq_to_resource(np, 1, &r[2]);
 279
 280                         r[3].name = gfar_err_intr;
 281                         of_irq_to_resource(np, 2, &r[3]);
 282
 283                         n_res += 2;
 284                 }
 285
 286                 gfar_dev =
 287                     platform_device_register_simple("fsl-gianfar", i, &r[0],
 288                                                     n_res);
 289
 290                 if (IS_ERR(gfar_dev)) {
 291                         ret = PTR_ERR(gfar_dev);
 292                         goto err;
 293                 }
 294
 295                 mac_addr = of_get_mac_address(np);
 296                 if (mac_addr)
 297                         memcpy(gfar_data.mac_addr, mac_addr, 6);
 298
 299                 if (model && !strcasecmp(model, "TSEC"))
 300                         gfar_data.device_flags =
 301                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 302                             FSL_GIANFAR_DEV_HAS_COALESCE |
 303                             FSL_GIANFAR_DEV_HAS_RMON |
 304                             FSL_GIANFAR_DEV_HAS_MULTI_INTR;
 305                 if (model && !strcasecmp(model, "eTSEC"))
 306                         gfar_data.device_flags =
 307                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 308                             FSL_GIANFAR_DEV_HAS_COALESCE |
 309                             FSL_GIANFAR_DEV_HAS_RMON |
 310                             FSL_GIANFAR_DEV_HAS_MULTI_INTR |
 311                             FSL_GIANFAR_DEV_HAS_CSUM |
 312                             FSL_GIANFAR_DEV_HAS_VLAN |
 313                             FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
 314
 315                 ctype = of_get_property(np, "phy-connection-type", NULL);
 316
 317                 /* We only care about rgmii-id.  The rest are autodetected */
 318                 if (ctype && !strcmp(ctype, "rgmii-id"))
 319                         gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID;
 320                 else
 321                         gfar_data.interface = PHY_INTERFACE_MODE_MII;
 322
 323                 ph = of_get_property(np, "phy-handle", NULL);
 324                 if (ph == NULL) {
 325                         u32 *fixed_link;
 326
 327                         fixed_link = (u32 *)of_get_property(np, "fixed-link",
 328                                                            NULL);
 329                         if (!fixed_link) {
 330                                 ret = -ENODEV;
 331                                 goto unreg;
 332                         }
 333
 334                         gfar_data.bus_id = 0;
 335                         gfar_data.phy_id = fixed_link[0];
 336                 } else {
 337                         phy = of_find_node_by_phandle(*ph);
 338
 339                         if (phy == NULL) {
 340                                 ret = -ENODEV;
 341                                 goto unreg;
 342                         }
 343
 344                         mdio = of_get_parent(phy);
 345
 346                         id = of_get_property(phy, "reg", NULL);
 347                         ret = of_address_to_resource(mdio, 0, &res);
 348                         if (ret) {
 349                                 of_node_put(phy);
 350                                 of_node_put(mdio);
 351                                 goto unreg;
 352                         }
 353
 354                         gfar_data.phy_id = *id;
 355                         gfar_data.bus_id = res.start;
 356
 357                         of_node_put(phy);
 358                         of_node_put(mdio);
 359                 }
 360
 361                 ret =
 362                     platform_device_add_data(gfar_dev, &gfar_data,
 363                                              sizeof(struct
 364                                                     gianfar_platform_data));
 365                 if (ret)
 366                         goto unreg;
 367         }
 368
 369         return 0;
 370
 371 unreg:
 372         platform_device_unregister(gfar_dev);
 373 err:
 374         return ret;
 375 }
 376
 377 arch_initcall(gfar_of_init);
 378
 379 #ifdef CONFIG_I2C_BOARDINFO
 380 #include <linux/i2c.h>
 381 struct i2c_driver_device {
 382         char    *of_device;
 383         char    *i2c_driver;
 384         char    *i2c_type;
 385 };
 386
 387 static struct i2c_driver_device i2c_devices[] __initdata = {
 388         {"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",},
 389         {"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",},
 390         {"ricoh,rv5c386",  "rtc-rs5c372", "rv5c386",},
 391         {"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
 392         {"dallas,ds1307",  "rtc-ds1307",  "ds1307",},
 393         {"dallas,ds1337",  "rtc-ds1307",  "ds1337",},
 394         {"dallas,ds1338",  "rtc-ds1307",  "ds1338",},
 395         {"dallas,ds1339",  "rtc-ds1307",  "ds1339",},
 396         {"dallas,ds1340",  "rtc-ds1307",  "ds1340",},
 397         {"stm,m41t00",     "rtc-ds1307",  "m41t00"},
 398         {"dallas,ds1374",  "rtc-ds1374",  "rtc-ds1374",},
 399 };
 400
 401 static int __init of_find_i2c_driver(struct device_node *node,
 402                                      struct i2c_board_info *info)
 403 {
 404         int i;
 405
 406         for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
 407                 if (!of_device_is_compatible(node, i2c_devices[i].of_device))
 408                         continue;
 409                 if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
 410                             KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
 411                     strlcpy(info->type, i2c_devices[i].i2c_type,
 412                             I2C_NAME_SIZE) >= I2C_NAME_SIZE)
 413                         return -ENOMEM;
 414                 return 0;
 415         }
 416         return -ENODEV;
 417 }
 418
 419 static void __init of_register_i2c_devices(struct device_node *adap_node,
 420                                            int bus_num)
 421 {
 422         struct device_node *node = NULL;
 423
 424         while ((node = of_get_next_child(adap_node, node))) {
 425                 struct i2c_board_info info = {};
 426                 const u32 *addr;
 427                 int len;
 428
 429                 addr = of_get_property(node, "reg", &len);
 430                 if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
 431                         printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n");
 432                         continue;
 433                 }
 434
 435                 info.irq = irq_of_parse_and_map(node, 0);
 436                 if (info.irq == NO_IRQ)
 437                         info.irq = -1;
 438
 439                 if (of_find_i2c_driver(node, &info) < 0)
 440                         continue;
 441
 442                 info.addr = *addr;
 443
 444                 i2c_register_board_info(bus_num, &info, 1);
 445         }
 446 }
 447
 448 static int __init fsl_i2c_of_init(void)
 449 {
 450         struct device_node *np;
 451         unsigned int i = 0;
 452         struct platform_device *i2c_dev;
 453         int ret;
 454
 455         for_each_compatible_node(np, NULL, "fsl-i2c") {
 456                 struct resource r[2];
 457                 struct fsl_i2c_platform_data i2c_data;
 458                 const unsigned char *flags = NULL;
 459
 460                 memset(&r, 0, sizeof(r));
 461                 memset(&i2c_data, 0, sizeof(i2c_data));
 462
 463                 ret = of_address_to_resource(np, 0, &r[0]);
 464                 if (ret)
 465                         goto err;
 466
 467                 of_irq_to_resource(np, 0, &r[1]);
 468
 469                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 470                 if (IS_ERR(i2c_dev)) {
 471                         ret = PTR_ERR(i2c_dev);
 472                         goto err;
 473                 }
 474
 475                 i2c_data.device_flags = 0;
 476                 flags = of_get_property(np, "dfsrr", NULL);
 477                 if (flags)
 478                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 479
 480                 flags = of_get_property(np, "fsl5200-clocking", NULL);
 481                 if (flags)
 482                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
 483
 484                 ret =
 485                     platform_device_add_data(i2c_dev, &i2c_data,
 486                                              sizeof(struct
 487                                                     fsl_i2c_platform_data));
 488                 if (ret)
 489                         goto unreg;
 490
 491                 of_register_i2c_devices(np, i++);
 492         }
 493
 494         return 0;
 495
 496 unreg:
 497         platform_device_unregister(i2c_dev);
 498 err:
 499         return ret;
 500 }
 501
 502 arch_initcall(fsl_i2c_of_init);
 503 #endif
 504
 505 #ifdef CONFIG_PPC_83xx
 506 static int __init mpc83xx_wdt_init(void)
 507 {
 508         struct resource r;
 509         struct device_node *soc, *np;
 510         struct platform_device *dev;
 511         const unsigned int *freq;
 512         int ret;
 513
 514         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 515
 516         if (!np) {
 517                 ret = -ENODEV;
 518                 goto nodev;
 519         }
 520
 521         soc = of_find_node_by_type(NULL, "soc");
 522
 523         if (!soc) {
 524                 ret = -ENODEV;
 525                 goto nosoc;
 526         }
 527
 528         freq = of_get_property(soc, "bus-frequency", NULL);
 529         if (!freq) {
 530                 ret = -ENODEV;
 531                 goto err;
 532         }
 533
 534         memset(&r, 0, sizeof(r));
 535
 536         ret = of_address_to_resource(np, 0, &r);
 537         if (ret)
 538                 goto err;
 539
 540         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 541         if (IS_ERR(dev)) {
 542                 ret = PTR_ERR(dev);
 543                 goto err;
 544         }
 545
 546         ret = platform_device_add_data(dev, freq, sizeof(int));
 547         if (ret)
 548                 goto unreg;
 549
 550         of_node_put(soc);
 551         of_node_put(np);
 552
 553         return 0;
 554
 555 unreg:
 556         platform_device_unregister(dev);
 557 err:
 558         of_node_put(soc);
 559 nosoc:
 560         of_node_put(np);
 561 nodev:
 562         return ret;
 563 }
 564
 565 arch_initcall(mpc83xx_wdt_init);
 566 #endif
 567
 568 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 569 {
 570         if (!phy_type)
 571                 return FSL_USB2_PHY_NONE;
 572         if (!strcasecmp(phy_type, "ulpi"))
 573                 return FSL_USB2_PHY_ULPI;
 574         if (!strcasecmp(phy_type, "utmi"))
 575                 return FSL_USB2_PHY_UTMI;
 576         if (!strcasecmp(phy_type, "utmi_wide"))
 577                 return FSL_USB2_PHY_UTMI_WIDE;
 578         if (!strcasecmp(phy_type, "serial"))
 579                 return FSL_USB2_PHY_SERIAL;
 580
 581         return FSL_USB2_PHY_NONE;
 582 }
 583
 584 static int __init fsl_usb_of_init(void)
 585 {
 586         struct device_node *np;
 587         unsigned int i = 0;
 588         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
 589                 *usb_dev_dr_client = NULL;
 590         int ret;
 591
 592         for_each_compatible_node(np, NULL, "fsl-usb2-mph") {
 593                 struct resource r[2];
 594                 struct fsl_usb2_platform_data usb_data;
 595                 const unsigned char *prop = NULL;
 596
 597                 memset(&r, 0, sizeof(r));
 598                 memset(&usb_data, 0, sizeof(usb_data));
 599
 600                 ret = of_address_to_resource(np, 0, &r[0]);
 601                 if (ret)
 602                         goto err;
 603
 604                 of_irq_to_resource(np, 0, &r[1]);
 605
 606                 usb_dev_mph =
 607                     platform_device_register_simple("fsl-ehci", i, r, 2);
 608                 if (IS_ERR(usb_dev_mph)) {
 609                         ret = PTR_ERR(usb_dev_mph);
 610                         goto err;
 611                 }
 612
 613                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 614                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
 615
 616                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
 617
 618                 prop = of_get_property(np, "port0", NULL);
 619                 if (prop)
 620                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
 621
 622                 prop = of_get_property(np, "port1", NULL);
 623                 if (prop)
 624                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
 625
 626                 prop = of_get_property(np, "phy_type", NULL);
 627                 usb_data.phy_mode = determine_usb_phy(prop);
 628
 629                 ret =
 630                     platform_device_add_data(usb_dev_mph, &usb_data,
 631                                              sizeof(struct
 632                                                     fsl_usb2_platform_data));
 633                 if (ret)
 634                         goto unreg_mph;
 635                 i++;
 636         }
 637
 638         for_each_compatible_node(np, NULL, "fsl-usb2-dr") {
 639                 struct resource r[2];
 640                 struct fsl_usb2_platform_data usb_data;
 641                 const unsigned char *prop = NULL;
 642
 643                 memset(&r, 0, sizeof(r));
 644                 memset(&usb_data, 0, sizeof(usb_data));
 645
 646                 ret = of_address_to_resource(np, 0, &r[0]);
 647                 if (ret)
 648                         goto unreg_mph;
 649
 650                 of_irq_to_resource(np, 0, &r[1]);
 651
 652                 prop = of_get_property(np, "dr_mode", NULL);
 653
 654                 if (!prop || !strcmp(prop, "host")) {
 655                         usb_data.operating_mode = FSL_USB2_DR_HOST;
 656                         usb_dev_dr_host = platform_device_register_simple(
 657                                         "fsl-ehci", i, r, 2);
 658                         if (IS_ERR(usb_dev_dr_host)) {
 659                                 ret = PTR_ERR(usb_dev_dr_host);
 660                                 goto err;
 661                         }
 662                 } else if (prop && !strcmp(prop, "peripheral")) {
 663                         usb_data.operating_mode = FSL_USB2_DR_DEVICE;
 664                         usb_dev_dr_client = platform_device_register_simple(
 665                                         "fsl-usb2-udc", i, r, 2);
 666                         if (IS_ERR(usb_dev_dr_client)) {
 667                                 ret = PTR_ERR(usb_dev_dr_client);
 668                                 goto err;
 669                         }
 670                 } else if (prop && !strcmp(prop, "otg")) {
 671                         usb_data.operating_mode = FSL_USB2_DR_OTG;
 672                         usb_dev_dr_host = platform_device_register_simple(
 673                                         "fsl-ehci", i, r, 2);
 674                         if (IS_ERR(usb_dev_dr_host)) {
 675                                 ret = PTR_ERR(usb_dev_dr_host);
 676                                 goto err;
 677                         }
 678                         usb_dev_dr_client = platform_device_register_simple(
 679                                         "fsl-usb2-udc", i, r, 2);
 680                         if (IS_ERR(usb_dev_dr_client)) {
 681                                 ret = PTR_ERR(usb_dev_dr_client);
 682                                 goto err;
 683                         }
 684                 } else {
 685                         ret = -EINVAL;
 686                         goto err;
 687                 }
 688
 689                 prop = of_get_property(np, "phy_type", NULL);
 690                 usb_data.phy_mode = determine_usb_phy(prop);
 691
 692                 if (usb_dev_dr_host) {
 693                         usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
 694                         usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
 695                                 dev.coherent_dma_mask;
 696                         if ((ret = platform_device_add_data(usb_dev_dr_host,
 697                                                 &usb_data, sizeof(struct
 698                                                 fsl_usb2_platform_data))))
 699                                 goto unreg_dr;
 700                 }
 701                 if (usb_dev_dr_client) {
 702                         usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
 703                         usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
 704                                 dev.coherent_dma_mask;
 705                         if ((ret = platform_device_add_data(usb_dev_dr_client,
 706                                                 &usb_data, sizeof(struct
 707                                                 fsl_usb2_platform_data))))
 708                                 goto unreg_dr;
 709                 }
 710                 i++;
 711         }
 712         return 0;
 713
 714 unreg_dr:
 715         if (usb_dev_dr_host)
 716                 platform_device_unregister(usb_dev_dr_host);
 717         if (usb_dev_dr_client)
 718                 platform_device_unregister(usb_dev_dr_client);
 719 unreg_mph:
 720         if (usb_dev_mph)
 721                 platform_device_unregister(usb_dev_mph);
 722 err:
 723         return ret;
 724 }
 725
 726 arch_initcall(fsl_usb_of_init);
 727
 728 #ifndef CONFIG_PPC_CPM_NEW_BINDING
 729 #ifdef CONFIG_CPM2
 730
 731 extern void init_scc_ioports(struct fs_uart_platform_info*);
 732
 733 static const char fcc_regs[] = "fcc_regs";
 734 static const char fcc_regs_c[] = "fcc_regs_c";
 735 static const char fcc_pram[] = "fcc_pram";
 736 static char bus_id[9][BUS_ID_SIZE];
 737
 738 static int __init fs_enet_of_init(void)
 739 {
 740         struct device_node *np;
 741         unsigned int i;
 742         struct platform_device *fs_enet_dev;
 743         struct resource res;
 744         int ret;
 745
 746         for (np = NULL, i = 0;
 747              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 748              i++) {
 749                 struct resource r[4];
 750                 struct device_node *phy, *mdio;
 751                 struct fs_platform_info fs_enet_data;
 752                 const unsigned int *id, *phy_addr, *phy_irq;
 753                 const void *mac_addr;
 754                 const phandle *ph;
 755                 const char *model;
 756
 757                 memset(r, 0, sizeof(r));
 758                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 759
 760                 ret = of_address_to_resource(np, 0, &r[0]);
 761                 if (ret)
 762                         goto err;
 763                 r[0].name = fcc_regs;
 764
 765                 ret = of_address_to_resource(np, 1, &r[1]);
 766                 if (ret)
 767                         goto err;
 768                 r[1].name = fcc_pram;
 769
 770                 ret = of_address_to_resource(np, 2, &r[2]);
 771                 if (ret)
 772                         goto err;
 773                 r[2].name = fcc_regs_c;
 774                 fs_enet_data.fcc_regs_c = r[2].start;
 775
 776                 of_irq_to_resource(np, 0, &r[3]);
 777
 778                 fs_enet_dev =
 779                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
 780
 781                 if (IS_ERR(fs_enet_dev)) {
 782                         ret = PTR_ERR(fs_enet_dev);
 783                         goto err;
 784                 }
 785
 786                 model = of_get_property(np, "model", NULL);
 787                 if (model == NULL) {
 788                         ret = -ENODEV;
 789                         goto unreg;
 790                 }
 791
 792                 mac_addr = of_get_mac_address(np);
 793                 if (mac_addr)
 794                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
 795
 796                 ph = of_get_property(np, "phy-handle", NULL);
 797                 phy = of_find_node_by_phandle(*ph);
 798
 799                 if (phy == NULL) {
 800                         ret = -ENODEV;
 801                         goto unreg;
 802                 }
 803
 804                 phy_addr = of_get_property(phy, "reg", NULL);
 805                 fs_enet_data.phy_addr = *phy_addr;
 806
 807                 phy_irq = of_get_property(phy, "interrupts", NULL);
 808
 809                 id = of_get_property(np, "device-id", NULL);
 810                 fs_enet_data.fs_no = *id;
 811                 strcpy(fs_enet_data.fs_type, model);
 812
 813                 mdio = of_get_parent(phy);
 814                 ret = of_address_to_resource(mdio, 0, &res);
 815                 if (ret) {
 816                         of_node_put(phy);
 817                         of_node_put(mdio);
 818                         goto unreg;
 819                 }
 820
 821                 fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
 822                                                 "rx-clock", NULL));
 823                 fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
 824                                                 "tx-clock", NULL));
 825
 826                 if (strstr(model, "FCC")) {
 827                         int fcc_index = *id - 1;
 828                         const unsigned char *mdio_bb_prop;
 829
 830                         fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
 831                         fs_enet_data.rx_ring = 32;
 832                         fs_enet_data.tx_ring = 32;
 833                         fs_enet_data.rx_copybreak = 240;
 834                         fs_enet_data.use_napi = 0;
 835                         fs_enet_data.napi_weight = 17;
 836                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
 837                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
 838                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
 839
 840                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
 841                                                         (u32)res.start, fs_enet_data.phy_addr);
 842                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
 843                         fs_enet_data.init_ioports = init_fcc_ioports;
 844
 845                         mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
 846                         if (mdio_bb_prop) {
 847                                 struct platform_device *fs_enet_mdio_bb_dev;
 848                                 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
 849
 850                                 fs_enet_mdio_bb_dev =
 851                                         platform_device_register_simple("fsl-bb-mdio",
 852                                                         i, NULL, 0);
 853                                 memset(&fs_enet_mdio_bb_data, 0,
 854                                                 sizeof(struct fs_mii_bb_platform_info));
 855                                 fs_enet_mdio_bb_data.mdio_dat.bit =
 856                                         mdio_bb_prop[0];
 857                                 fs_enet_mdio_bb_data.mdio_dir.bit =
 858                                         mdio_bb_prop[1];
 859                                 fs_enet_mdio_bb_data.mdc_dat.bit =
 860                                         mdio_bb_prop[2];
 861                                 fs_enet_mdio_bb_data.mdio_port =
 862                                         mdio_bb_prop[3];
 863                                 fs_enet_mdio_bb_data.mdc_port =
 864                                         mdio_bb_prop[4];
 865                                 fs_enet_mdio_bb_data.delay =
 866                                         mdio_bb_prop[5];
 867
 868                                 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
 869                                 fs_enet_mdio_bb_data.irq[1] = -1;
 870                                 fs_enet_mdio_bb_data.irq[2] = -1;
 871                                 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
 872                                 fs_enet_mdio_bb_data.irq[31] = -1;
 873
 874                                 fs_enet_mdio_bb_data.mdio_dat.offset =
 875                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 876                                 fs_enet_mdio_bb_data.mdio_dir.offset =
 877                                         (u32)&cpm2_immr->im_ioport.iop_pdirc;
 878                                 fs_enet_mdio_bb_data.mdc_dat.offset =
 879                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 880
 881                                 ret = platform_device_add_data(
 882                                                 fs_enet_mdio_bb_dev,
 883                                                 &fs_enet_mdio_bb_data,
 884                                                 sizeof(struct fs_mii_bb_platform_info));
 885                                 if (ret)
 886                                         goto unreg;
 887                         }
 888
 889                         of_node_put(phy);
 890                         of_node_put(mdio);
 891
 892                         ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
 893                                                      sizeof(struct
 894                                                             fs_platform_info));
 895                         if (ret)
 896                                 goto unreg;
 897                 }
 898         }
 899         return 0;
 900
 901 unreg:
 902         platform_device_unregister(fs_enet_dev);
 903 err:
 904         return ret;
 905 }
 906
 907 arch_initcall(fs_enet_of_init);
 908
 909 static const char scc_regs[] = "regs";
 910 static const char scc_pram[] = "pram";
 911
 912 static int __init cpm_uart_of_init(void)
 913 {
 914         struct device_node *np;
 915         unsigned int i;
 916         struct platform_device *cpm_uart_dev;
 917         int ret;
 918
 919         for (np = NULL, i = 0;
 920              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
 921              i++) {
 922                 struct resource r[3];
 923                 struct fs_uart_platform_info cpm_uart_data;
 924                 const int *id;
 925                 const char *model;
 926
 927                 memset(r, 0, sizeof(r));
 928                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
 929
 930                 ret = of_address_to_resource(np, 0, &r[0]);
 931                 if (ret)
 932                         goto err;
 933
 934                 r[0].name = scc_regs;
 935
 936                 ret = of_address_to_resource(np, 1, &r[1]);
 937                 if (ret)
 938                         goto err;
 939                 r[1].name = scc_pram;
 940
 941                 of_irq_to_resource(np, 0, &r[2]);
 942
 943                 cpm_uart_dev =
 944                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
 945
 946                 if (IS_ERR(cpm_uart_dev)) {
 947                         ret = PTR_ERR(cpm_uart_dev);
 948                         goto err;
 949                 }
 950
 951                 id = of_get_property(np, "device-id", NULL);
 952                 cpm_uart_data.fs_no = *id;
 953
 954                 model = of_get_property(np, "model", NULL);
 955                 strcpy(cpm_uart_data.fs_type, model);
 956
 957                 cpm_uart_data.uart_clk = ppc_proc_freq;
 958
 959                 cpm_uart_data.tx_num_fifo = 4;
 960                 cpm_uart_data.tx_buf_size = 32;
 961                 cpm_uart_data.rx_num_fifo = 4;
 962                 cpm_uart_data.rx_buf_size = 32;
 963                 cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
 964                                                 "rx-clock", NULL));
 965                 cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
 966                                                 "tx-clock", NULL));
 967
 968                 ret =
 969                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
 970                                              sizeof(struct
 971                                                     fs_uart_platform_info));
 972                 if (ret)
 973                         goto unreg;
 974         }
 975
 976         return 0;
 977
 978 unreg:
 979         platform_device_unregister(cpm_uart_dev);
 980 err:
 981         return ret;
 982 }
 983
 984 arch_initcall(cpm_uart_of_init);
 985 #endif /* CONFIG_CPM2 */
 986
 987 #ifdef CONFIG_8xx
 988
 989 extern void init_scc_ioports(struct fs_platform_info*);
 990 extern int platform_device_skip(const char *model, int id);
 991
 992 static int __init fs_enet_mdio_of_init(void)
 993 {
 994         struct device_node *np;
 995         unsigned int i;
 996         struct platform_device *mdio_dev;
 997         struct resource res;
 998         int ret;
 999
1000         for (np = NULL, i = 0;
1001              (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
1002              i++) {
1003                 struct fs_mii_fec_platform_info mdio_data;
1004
1005                 memset(&res, 0, sizeof(res));
1006                 memset(&mdio_data, 0, sizeof(mdio_data));
1007
1008                 ret = of_address_to_resource(np, 0, &res);
1009                 if (ret)
1010                         goto err;
1011
1012                 mdio_dev =
1013                     platform_device_register_simple("fsl-cpm-fec-mdio",
1014                                                     res.start, &res, 1);
1015                 if (IS_ERR(mdio_dev)) {
1016                         ret = PTR_ERR(mdio_dev);
1017                         goto err;
1018                 }
1019
1020                 mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
1021
1022                 ret =
1023                     platform_device_add_data(mdio_dev, &mdio_data,
1024                                              sizeof(struct fs_mii_fec_platform_info));
1025                 if (ret)
1026                         goto unreg;
1027         }
1028         return 0;
1029
1030 unreg:
1031         platform_device_unregister(mdio_dev);
1032 err:
1033         return ret;
1034 }
1035
1036 arch_initcall(fs_enet_mdio_of_init);
1037
1038 static const char *enet_regs = "regs";
1039 static const char *enet_pram = "pram";
1040 static const char *enet_irq = "interrupt";
1041 static char bus_id[9][BUS_ID_SIZE];
1042
1043 static int __init fs_enet_of_init(void)
1044 {
1045         struct device_node *np;
1046         unsigned int i;
1047         struct platform_device *fs_enet_dev = NULL;
1048         struct resource res;
1049         int ret;
1050
1051         for (np = NULL, i = 0;
1052              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
1053              i++) {
1054                 struct resource r[4];
1055                 struct device_node *phy = NULL, *mdio = NULL;
1056                 struct fs_platform_info fs_enet_data;
1057                 const unsigned int *id;
1058                 const unsigned int *phy_addr;
1059                 const void *mac_addr;
1060                 const phandle *ph;
1061                 const char *model;
1062
1063                 memset(r, 0, sizeof(r));
1064                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
1065
1066                 model = of_get_property(np, "model", NULL);
1067                 if (model == NULL) {
1068                         ret = -ENODEV;
1069                         goto unreg;
1070                 }
1071
1072                 id = of_get_property(np, "device-id", NULL);
1073                 fs_enet_data.fs_no = *id;
1074
1075                 if (platform_device_skip(model, *id))
1076                         continue;
1077
1078                 ret = of_address_to_resource(np, 0, &r[0]);
1079                 if (ret)
1080                         goto err;
1081                 r[0].name = enet_regs;
1082
1083                 mac_addr = of_get_mac_address(np);
1084                 if (mac_addr)
1085                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
1086
1087                 ph = of_get_property(np, "phy-handle", NULL);
1088                 if (ph != NULL)
1089                         phy = of_find_node_by_phandle(*ph);
1090
1091                 if (phy != NULL) {
1092                         phy_addr = of_get_property(phy, "reg", NULL);
1093                         fs_enet_data.phy_addr = *phy_addr;
1094                         fs_enet_data.has_phy = 1;
1095
1096                         mdio = of_get_parent(phy);
1097                         ret = of_address_to_resource(mdio, 0, &res);
1098                         if (ret) {
1099                                 of_node_put(phy);
1100                                 of_node_put(mdio);
1101                                 goto unreg;
1102                         }
1103                 }
1104
1105                 model = of_get_property(np, "model", NULL);
1106                 strcpy(fs_enet_data.fs_type, model);
1107
1108                 if (strstr(model, "FEC")) {
1109                         r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
1110                         r[1].flags = IORESOURCE_IRQ;
1111                         r[1].name = enet_irq;
1112
1113                         fs_enet_dev =
1114                                     platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
1115
1116                         if (IS_ERR(fs_enet_dev)) {
1117                                 ret = PTR_ERR(fs_enet_dev);
1118                                 goto err;
1119                         }
1120
1121                         fs_enet_data.rx_ring = 128;
1122                         fs_enet_data.tx_ring = 16;
1123                         fs_enet_data.rx_copybreak = 240;
1124                         fs_enet_data.use_napi = 1;
1125                         fs_enet_data.napi_weight = 17;
1126
1127                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
1128                                                         (u32)res.start, fs_enet_data.phy_addr);
1129                         fs_enet_data.bus_id = (char*)&bus_id[i];
1130                         fs_enet_data.init_ioports = init_fec_ioports;
1131                 }
1132                 if (strstr(model, "SCC")) {
1133                         ret = of_address_to_resource(np, 1, &r[1]);
1134                         if (ret)
1135                                 goto err;
1136                         r[1].name = enet_pram;
1137
1138                         r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1139                         r[2].flags = IORESOURCE_IRQ;
1140                         r[2].name = enet_irq;
1141
1142                         fs_enet_dev =
1143                                     platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
1144
1145                         if (IS_ERR(fs_enet_dev)) {
1146                                 ret = PTR_ERR(fs_enet_dev);
1147                                 goto err;
1148                         }
1149
1150                         fs_enet_data.rx_ring = 64;
1151                         fs_enet_data.tx_ring = 8;
1152                         fs_enet_data.rx_copybreak = 240;
1153                         fs_enet_data.use_napi = 1;
1154                         fs_enet_data.napi_weight = 17;
1155
1156                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
1157                         fs_enet_data.bus_id = (char*)&bus_id[i];
1158                         fs_enet_data.init_ioports = init_scc_ioports;
1159                 }
1160
1161                 of_node_put(phy);
1162                 of_node_put(mdio);
1163
1164                 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
1165                                              sizeof(struct
1166                                                     fs_platform_info));
1167                 if (ret)
1168                         goto unreg;
1169         }
1170         return 0;
1171
1172 unreg:
1173         platform_device_unregister(fs_enet_dev);
1174 err:
1175         return ret;
1176 }
1177
1178 arch_initcall(fs_enet_of_init);
1179
1180 static int __init fsl_pcmcia_of_init(void)
1181 {
1182         struct device_node *np;
1183         /*
1184          * Register all the devices which type is "pcmcia"
1185          */
1186         for_each_compatible_node(np, "pcmcia", "fsl,pq-pcmcia")
1187                 of_platform_device_create(np, "m8xx-pcmcia", NULL);
1188         return 0;
1189 }
1190
1191 arch_initcall(fsl_pcmcia_of_init);
1192
1193 static const char *smc_regs = "regs";
1194 static const char *smc_pram = "pram";
1195
1196 static int __init cpm_smc_uart_of_init(void)
1197 {
1198         struct device_node *np;
1199         unsigned int i;
1200         struct platform_device *cpm_uart_dev;
1201         int ret;
1202
1203         for (np = NULL, i = 0;
1204              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
1205              i++) {
1206                 struct resource r[3];
1207                 struct fs_uart_platform_info cpm_uart_data;
1208                 const int *id;
1209                 const char *model;
1210
1211                 memset(r, 0, sizeof(r));
1212                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
1213
1214                 ret = of_address_to_resource(np, 0, &r[0]);
1215                 if (ret)
1216                         goto err;
1217
1218                 r[0].name = smc_regs;
1219
1220                 ret = of_address_to_resource(np, 1, &r[1]);
1221                 if (ret)
1222                         goto err;
1223                 r[1].name = smc_pram;
1224
1225                 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1226                 r[2].flags = IORESOURCE_IRQ;
1227
1228                 cpm_uart_dev =
1229                     platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
1230
1231                 if (IS_ERR(cpm_uart_dev)) {
1232                         ret = PTR_ERR(cpm_uart_dev);
1233                         goto err;
1234                 }
1235
1236                 model = of_get_property(np, "model", NULL);
1237                 strcpy(cpm_uart_data.fs_type, model);
1238
1239                 id = of_get_property(np, "device-id", NULL);
1240                 cpm_uart_data.fs_no = *id;
1241                 cpm_uart_data.uart_clk = ppc_proc_freq;
1242
1243                 cpm_uart_data.tx_num_fifo = 4;
1244                 cpm_uart_data.tx_buf_size = 32;
1245                 cpm_uart_data.rx_num_fifo = 4;
1246                 cpm_uart_data.rx_buf_size = 32;
1247
1248                 ret =
1249                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
1250                                              sizeof(struct
1251                                                     fs_uart_platform_info));
1252                 if (ret)
1253                         goto unreg;
1254         }
1255
1256         return 0;
1257
1258 unreg:
1259         platform_device_unregister(cpm_uart_dev);
1260 err:
1261         return ret;
1262 }
1263
1264 arch_initcall(cpm_smc_uart_of_init);
1265
1266 #endif /* CONFIG_8xx */
1267 #endif /* CONFIG_PPC_CPM_NEW_BINDING */
1268
1269 int __init fsl_spi_init(struct spi_board_info *board_infos,
1270                         unsigned int num_board_infos,
1271                         void (*activate_cs)(u8 cs, u8 polarity),
1272                         void (*deactivate_cs)(u8 cs, u8 polarity))
1273 {
1274         struct device_node *np;
1275         unsigned int i;
1276         const u32 *sysclk;
1277
1278         /* SPI controller is either clocked from QE or SoC clock */
1279         np = of_find_compatible_node(NULL, NULL, "fsl,qe");
1280         if (!np)
1281                 np = of_find_node_by_type(NULL, "qe");
1282
1283         if (!np)
1284                 np = of_find_node_by_type(NULL, "soc");
1285
1286         if (!np)
1287                 return -ENODEV;
1288
1289         sysclk = of_get_property(np, "bus-frequency", NULL);
1290         if (!sysclk)
1291                 return -ENODEV;
1292
1293         for (np = NULL, i = 1;
1294              (np = of_find_compatible_node(np, "spi", "fsl_spi")) != NULL;
1295              i++) {
1296                 int ret = 0;
1297                 unsigned int j;
1298                 const void *prop;
1299                 struct resource res[2];
1300                 struct platform_device *pdev;
1301                 struct fsl_spi_platform_data pdata = {
1302                         .activate_cs = activate_cs,
1303                         .deactivate_cs = deactivate_cs,
1304                 };
1305
1306                 memset(res, 0, sizeof(res));
1307
1308                 pdata.sysclk = *sysclk;
1309
1310                 prop = of_get_property(np, "reg", NULL);
1311                 if (!prop)
1312                         goto err;
1313                 pdata.bus_num = *(u32 *)prop;
1314
1315                 prop = of_get_property(np, "mode", NULL);
1316                 if (prop && !strcmp(prop, "cpu-qe"))
1317                         pdata.qe_mode = 1;
1318
1319                 for (j = 0; j < num_board_infos; j++) {
1320                         if (board_infos[j].bus_num == pdata.bus_num)
1321                                 pdata.max_chipselect++;
1322                 }
1323
1324                 if (!pdata.max_chipselect)
1325                         goto err;
1326
1327                 ret = of_address_to_resource(np, 0, &res[0]);
1328                 if (ret)
1329                         goto err;
1330
1331                 ret = of_irq_to_resource(np, 0, &res[1]);
1332                 if (ret == NO_IRQ)
1333                         goto err;
1334
1335                 pdev = platform_device_alloc("mpc83xx_spi", i);
1336                 if (!pdev)
1337                         goto err;
1338
1339                 ret = platform_device_add_data(pdev, &pdata, sizeof(pdata));
1340                 if (ret)
1341                         goto unreg;
1342
1343                 ret = platform_device_add_resources(pdev, res,
1344                                                     ARRAY_SIZE(res));
1345                 if (ret)
1346                         goto unreg;
1347
1348                 ret = platform_device_register(pdev);
1349                 if (ret)
1350                         goto unreg;
1351
1352                 continue;
1353 unreg:
1354                 platform_device_del(pdev);
1355 err:
1356                 continue;
1357         }
1358
1359         return spi_register_board_info(board_infos, num_board_infos);
1360 }
1361
1362 #if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
1363 static __be32 __iomem *rstcr;
1364
1365 static int __init setup_rstcr(void)
1366 {
1367         struct device_node *np;
1368         np = of_find_node_by_name(NULL, "global-utilities");
1369         if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) {
1370                 const u32 *prop = of_get_property(np, "reg", NULL);
1371                 if (prop) {
1372                         /* map reset control register
1373                          * 0xE00B0 is offset of reset control register
1374                          */
1375                         rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff);
1376                         if (!rstcr)
1377                                 printk (KERN_EMERG "Error: reset control "
1378                                                 "register not mapped!\n");
1379                 }
1380         } else
1381                 printk (KERN_INFO "rstcr compatible register does not exist!\n");
1382         if (np)
1383                 of_node_put(np);
1384         return 0;
1385 }
1386
1387 arch_initcall(setup_rstcr);
1388
1389 void fsl_rstcr_restart(char *cmd)
1390 {
1391         local_irq_disable();
1392         if (rstcr)
1393                 /* set reset control register */
1394                 out_be32(rstcr, 0x2);   /* HRESET_REQ */
1395
1396         while (1) ;
1397 }
1398 #endif