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_QUICC_ENGINE) || 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                 node = of_find_compatible_node(NULL, NULL, "fsl,qe");
 105         if (!node)
 106                 node = of_find_node_by_type(NULL, "qe");
 107
 108         if (node) {
 109                 prop = of_get_property(node, "brg-frequency", &size);
 110                 if (prop && size == 4)
 111                         brgfreq = *prop;
 112
 113                 if (brgfreq == -1 || brgfreq == 0) {
 114                         prop = of_get_property(node, "bus-frequency", &size);
 115                         if (prop && size == 4)
 116                                 brgfreq = *prop / 2;
 117                 }
 118                 of_node_put(node);
 119         }
 120
 121         return brgfreq;
 122 }
 123
 124 EXPORT_SYMBOL(get_brgfreq);
 125
 126 static u32 fs_baudrate = -1;
 127
 128 u32 get_baudrate(void)
 129 {
 130         struct device_node *node;
 131
 132         if (fs_baudrate != -1)
 133                 return fs_baudrate;
 134
 135         node = of_find_node_by_type(NULL, "serial");
 136         if (node) {
 137                 int size;
 138                 const unsigned int *prop = of_get_property(node,
 139                                 "current-speed", &size);
 140
 141                 if (prop)
 142                         fs_baudrate = *prop;
 143                 of_node_put(node);
 144         }
 145
 146         return fs_baudrate;
 147 }
 148
 149 EXPORT_SYMBOL(get_baudrate);
 150 #endif /* CONFIG_CPM2 */
 151
 152 #ifdef CONFIG_FIXED_PHY
 153 static int __init of_add_fixed_phys(void)
 154 {
 155         int ret;
 156         struct device_node *np;
 157         u32 *fixed_link;
 158         struct fixed_phy_status status = {};
 159
 160         for_each_node_by_name(np, "ethernet") {
 161                 fixed_link  = (u32 *)of_get_property(np, "fixed-link", NULL);
 162                 if (!fixed_link)
 163                         continue;
 164
 165                 status.link = 1;
 166                 status.duplex = fixed_link[1];
 167                 status.speed = fixed_link[2];
 168                 status.pause = fixed_link[3];
 169                 status.asym_pause = fixed_link[4];
 170
 171                 ret = fixed_phy_add(PHY_POLL, fixed_link[0], &status);
 172                 if (ret) {
 173                         of_node_put(np);
 174                         return ret;
 175                 }
 176         }
 177
 178         return 0;
 179 }
 180 arch_initcall(of_add_fixed_phys);
 181 #endif /* CONFIG_FIXED_PHY */
 182
 183 static int __init gfar_mdio_of_init(void)
 184 {
 185         struct device_node *np = NULL;
 186         struct platform_device *mdio_dev;
 187         struct resource res;
 188         int ret;
 189
 190         np = of_find_compatible_node(np, NULL, "fsl,gianfar-mdio");
 191
 192         /* try the deprecated version */
 193         if (!np)
 194                 np = of_find_compatible_node(np, "mdio", "gianfar");
 195
 196         if (np) {
 197                 int k;
 198                 struct device_node *child = NULL;
 199                 struct gianfar_mdio_data mdio_data;
 200
 201                 memset(&res, 0, sizeof(res));
 202                 memset(&mdio_data, 0, sizeof(mdio_data));
 203
 204                 ret = of_address_to_resource(np, 0, &res);
 205                 if (ret)
 206                         goto err;
 207
 208                 mdio_dev =
 209                     platform_device_register_simple("fsl-gianfar_mdio",
 210                                                     res.start, &res, 1);
 211                 if (IS_ERR(mdio_dev)) {
 212                         ret = PTR_ERR(mdio_dev);
 213                         goto err;
 214                 }
 215
 216                 for (k = 0; k < 32; k++)
 217                         mdio_data.irq[k] = PHY_POLL;
 218
 219                 while ((child = of_get_next_child(np, child)) != NULL) {
 220                         int irq = irq_of_parse_and_map(child, 0);
 221                         if (irq != NO_IRQ) {
 222                                 const u32 *id = of_get_property(child,
 223                                                         "reg", NULL);
 224                                 mdio_data.irq[*id] = irq;
 225                         }
 226                 }
 227
 228                 ret =
 229                     platform_device_add_data(mdio_dev, &mdio_data,
 230                                              sizeof(struct gianfar_mdio_data));
 231                 if (ret)
 232                         goto unreg;
 233         }
 234
 235         of_node_put(np);
 236         return 0;
 237
 238 unreg:
 239         platform_device_unregister(mdio_dev);
 240 err:
 241         of_node_put(np);
 242         return ret;
 243 }
 244
 245 arch_initcall(gfar_mdio_of_init);
 246
 247 static const char *gfar_tx_intr = "tx";
 248 static const char *gfar_rx_intr = "rx";
 249 static const char *gfar_err_intr = "error";
 250
 251 static int __init gfar_of_init(void)
 252 {
 253         struct device_node *np;
 254         unsigned int i;
 255         struct platform_device *gfar_dev;
 256         struct resource res;
 257         int ret;
 258
 259         for (np = NULL, i = 0;
 260              (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
 261              i++) {
 262                 struct resource r[4];
 263                 struct device_node *phy, *mdio;
 264                 struct gianfar_platform_data gfar_data;
 265                 const unsigned int *id;
 266                 const char *model;
 267                 const char *ctype;
 268                 const void *mac_addr;
 269                 const phandle *ph;
 270                 int n_res = 2;
 271
 272                 memset(r, 0, sizeof(r));
 273                 memset(&gfar_data, 0, sizeof(gfar_data));
 274
 275                 ret = of_address_to_resource(np, 0, &r[0]);
 276                 if (ret)
 277                         goto err;
 278
 279                 of_irq_to_resource(np, 0, &r[1]);
 280
 281                 model = of_get_property(np, "model", NULL);
 282
 283                 /* If we aren't the FEC we have multiple interrupts */
 284                 if (model && strcasecmp(model, "FEC")) {
 285                         r[1].name = gfar_tx_intr;
 286
 287                         r[2].name = gfar_rx_intr;
 288                         of_irq_to_resource(np, 1, &r[2]);
 289
 290                         r[3].name = gfar_err_intr;
 291                         of_irq_to_resource(np, 2, &r[3]);
 292
 293                         n_res += 2;
 294                 }
 295
 296                 gfar_dev =
 297                     platform_device_register_simple("fsl-gianfar", i, &r[0],
 298                                                     n_res);
 299
 300                 if (IS_ERR(gfar_dev)) {
 301                         ret = PTR_ERR(gfar_dev);
 302                         goto err;
 303                 }
 304
 305                 mac_addr = of_get_mac_address(np);
 306                 if (mac_addr)
 307                         memcpy(gfar_data.mac_addr, mac_addr, 6);
 308
 309                 if (model && !strcasecmp(model, "TSEC"))
 310                         gfar_data.device_flags =
 311                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 312                             FSL_GIANFAR_DEV_HAS_COALESCE |
 313                             FSL_GIANFAR_DEV_HAS_RMON |
 314                             FSL_GIANFAR_DEV_HAS_MULTI_INTR;
 315                 if (model && !strcasecmp(model, "eTSEC"))
 316                         gfar_data.device_flags =
 317                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 318                             FSL_GIANFAR_DEV_HAS_COALESCE |
 319                             FSL_GIANFAR_DEV_HAS_RMON |
 320                             FSL_GIANFAR_DEV_HAS_MULTI_INTR |
 321                             FSL_GIANFAR_DEV_HAS_CSUM |
 322                             FSL_GIANFAR_DEV_HAS_VLAN |
 323                             FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
 324
 325                 ctype = of_get_property(np, "phy-connection-type", NULL);
 326
 327                 /* We only care about rgmii-id.  The rest are autodetected */
 328                 if (ctype && !strcmp(ctype, "rgmii-id"))
 329                         gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID;
 330                 else
 331                         gfar_data.interface = PHY_INTERFACE_MODE_MII;
 332
 333                 ph = of_get_property(np, "phy-handle", NULL);
 334                 if (ph == NULL) {
 335                         u32 *fixed_link;
 336
 337                         fixed_link = (u32 *)of_get_property(np, "fixed-link",
 338                                                            NULL);
 339                         if (!fixed_link) {
 340                                 ret = -ENODEV;
 341                                 goto unreg;
 342                         }
 343
 344                         gfar_data.bus_id = 0;
 345                         gfar_data.phy_id = fixed_link[0];
 346                 } else {
 347                         phy = of_find_node_by_phandle(*ph);
 348
 349                         if (phy == NULL) {
 350                                 ret = -ENODEV;
 351                                 goto unreg;
 352                         }
 353
 354                         mdio = of_get_parent(phy);
 355
 356                         id = of_get_property(phy, "reg", NULL);
 357                         ret = of_address_to_resource(mdio, 0, &res);
 358                         if (ret) {
 359                                 of_node_put(phy);
 360                                 of_node_put(mdio);
 361                                 goto unreg;
 362                         }
 363
 364                         gfar_data.phy_id = *id;
 365                         gfar_data.bus_id = res.start;
 366
 367                         of_node_put(phy);
 368                         of_node_put(mdio);
 369                 }
 370
 371                 ret =
 372                     platform_device_add_data(gfar_dev, &gfar_data,
 373                                              sizeof(struct
 374                                                     gianfar_platform_data));
 375                 if (ret)
 376                         goto unreg;
 377         }
 378
 379         return 0;
 380
 381 unreg:
 382         platform_device_unregister(gfar_dev);
 383 err:
 384         return ret;
 385 }
 386
 387 arch_initcall(gfar_of_init);
 388
 389 #ifdef CONFIG_I2C_BOARDINFO
 390 #include <linux/i2c.h>
 391 struct i2c_driver_device {
 392         char    *of_device;
 393         char    *i2c_driver;
 394         char    *i2c_type;
 395 };
 396
 397 static struct i2c_driver_device i2c_devices[] __initdata = {
 398         {"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",},
 399         {"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",},
 400         {"ricoh,rv5c386",  "rtc-rs5c372", "rv5c386",},
 401         {"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
 402         {"dallas,ds1307",  "rtc-ds1307",  "ds1307",},
 403         {"dallas,ds1337",  "rtc-ds1307",  "ds1337",},
 404         {"dallas,ds1338",  "rtc-ds1307",  "ds1338",},
 405         {"dallas,ds1339",  "rtc-ds1307",  "ds1339",},
 406         {"dallas,ds1340",  "rtc-ds1307",  "ds1340",},
 407         {"stm,m41t00",     "rtc-ds1307",  "m41t00"},
 408         {"dallas,ds1374",  "rtc-ds1374",  "rtc-ds1374",},
 409 };
 410
 411 static int __init of_find_i2c_driver(struct device_node *node,
 412                                      struct i2c_board_info *info)
 413 {
 414         int i;
 415
 416         for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
 417                 if (!of_device_is_compatible(node, i2c_devices[i].of_device))
 418                         continue;
 419                 if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
 420                             KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
 421                     strlcpy(info->type, i2c_devices[i].i2c_type,
 422                             I2C_NAME_SIZE) >= I2C_NAME_SIZE)
 423                         return -ENOMEM;
 424                 return 0;
 425         }
 426         return -ENODEV;
 427 }
 428
 429 static void __init of_register_i2c_devices(struct device_node *adap_node,
 430                                            int bus_num)
 431 {
 432         struct device_node *node = NULL;
 433
 434         while ((node = of_get_next_child(adap_node, node))) {
 435                 struct i2c_board_info info = {};
 436                 const u32 *addr;
 437                 int len;
 438
 439                 addr = of_get_property(node, "reg", &len);
 440                 if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
 441                         printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n");
 442                         continue;
 443                 }
 444
 445                 info.irq = irq_of_parse_and_map(node, 0);
 446                 if (info.irq == NO_IRQ)
 447                         info.irq = -1;
 448
 449                 if (of_find_i2c_driver(node, &info) < 0)
 450                         continue;
 451
 452                 info.addr = *addr;
 453
 454                 i2c_register_board_info(bus_num, &info, 1);
 455         }
 456 }
 457
 458 static int __init fsl_i2c_of_init(void)
 459 {
 460         struct device_node *np;
 461         unsigned int i = 0;
 462         struct platform_device *i2c_dev;
 463         int ret;
 464
 465         for_each_compatible_node(np, NULL, "fsl-i2c") {
 466                 struct resource r[2];
 467                 struct fsl_i2c_platform_data i2c_data;
 468                 const unsigned char *flags = NULL;
 469
 470                 memset(&r, 0, sizeof(r));
 471                 memset(&i2c_data, 0, sizeof(i2c_data));
 472
 473                 ret = of_address_to_resource(np, 0, &r[0]);
 474                 if (ret)
 475                         goto err;
 476
 477                 of_irq_to_resource(np, 0, &r[1]);
 478
 479                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 480                 if (IS_ERR(i2c_dev)) {
 481                         ret = PTR_ERR(i2c_dev);
 482                         goto err;
 483                 }
 484
 485                 i2c_data.device_flags = 0;
 486                 flags = of_get_property(np, "dfsrr", NULL);
 487                 if (flags)
 488                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 489
 490                 flags = of_get_property(np, "fsl5200-clocking", NULL);
 491                 if (flags)
 492                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
 493
 494                 ret =
 495                     platform_device_add_data(i2c_dev, &i2c_data,
 496                                              sizeof(struct
 497                                                     fsl_i2c_platform_data));
 498                 if (ret)
 499                         goto unreg;
 500
 501                 of_register_i2c_devices(np, i++);
 502         }
 503
 504         return 0;
 505
 506 unreg:
 507         platform_device_unregister(i2c_dev);
 508 err:
 509         return ret;
 510 }
 511
 512 arch_initcall(fsl_i2c_of_init);
 513 #endif
 514
 515 #ifdef CONFIG_PPC_83xx
 516 static int __init mpc83xx_wdt_init(void)
 517 {
 518         struct resource r;
 519         struct device_node *soc, *np;
 520         struct platform_device *dev;
 521         const unsigned int *freq;
 522         int ret;
 523
 524         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 525
 526         if (!np) {
 527                 ret = -ENODEV;
 528                 goto nodev;
 529         }
 530
 531         soc = of_find_node_by_type(NULL, "soc");
 532
 533         if (!soc) {
 534                 ret = -ENODEV;
 535                 goto nosoc;
 536         }
 537
 538         freq = of_get_property(soc, "bus-frequency", NULL);
 539         if (!freq) {
 540                 ret = -ENODEV;
 541                 goto err;
 542         }
 543
 544         memset(&r, 0, sizeof(r));
 545
 546         ret = of_address_to_resource(np, 0, &r);
 547         if (ret)
 548                 goto err;
 549
 550         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 551         if (IS_ERR(dev)) {
 552                 ret = PTR_ERR(dev);
 553                 goto err;
 554         }
 555
 556         ret = platform_device_add_data(dev, freq, sizeof(int));
 557         if (ret)
 558                 goto unreg;
 559
 560         of_node_put(soc);
 561         of_node_put(np);
 562
 563         return 0;
 564
 565 unreg:
 566         platform_device_unregister(dev);
 567 err:
 568         of_node_put(soc);
 569 nosoc:
 570         of_node_put(np);
 571 nodev:
 572         return ret;
 573 }
 574
 575 arch_initcall(mpc83xx_wdt_init);
 576 #endif
 577
 578 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 579 {
 580         if (!phy_type)
 581                 return FSL_USB2_PHY_NONE;
 582         if (!strcasecmp(phy_type, "ulpi"))
 583                 return FSL_USB2_PHY_ULPI;
 584         if (!strcasecmp(phy_type, "utmi"))
 585                 return FSL_USB2_PHY_UTMI;
 586         if (!strcasecmp(phy_type, "utmi_wide"))
 587                 return FSL_USB2_PHY_UTMI_WIDE;
 588         if (!strcasecmp(phy_type, "serial"))
 589                 return FSL_USB2_PHY_SERIAL;
 590
 591         return FSL_USB2_PHY_NONE;
 592 }
 593
 594 static int __init fsl_usb_of_init(void)
 595 {
 596         struct device_node *np;
 597         unsigned int i = 0;
 598         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
 599                 *usb_dev_dr_client = NULL;
 600         int ret;
 601
 602         for_each_compatible_node(np, NULL, "fsl-usb2-mph") {
 603                 struct resource r[2];
 604                 struct fsl_usb2_platform_data usb_data;
 605                 const unsigned char *prop = NULL;
 606
 607                 memset(&r, 0, sizeof(r));
 608                 memset(&usb_data, 0, sizeof(usb_data));
 609
 610                 ret = of_address_to_resource(np, 0, &r[0]);
 611                 if (ret)
 612                         goto err;
 613
 614                 of_irq_to_resource(np, 0, &r[1]);
 615
 616                 usb_dev_mph =
 617                     platform_device_register_simple("fsl-ehci", i, r, 2);
 618                 if (IS_ERR(usb_dev_mph)) {
 619                         ret = PTR_ERR(usb_dev_mph);
 620                         goto err;
 621                 }
 622
 623                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 624                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
 625
 626                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
 627
 628                 prop = of_get_property(np, "port0", NULL);
 629                 if (prop)
 630                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
 631
 632                 prop = of_get_property(np, "port1", NULL);
 633                 if (prop)
 634                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
 635
 636                 prop = of_get_property(np, "phy_type", NULL);
 637                 usb_data.phy_mode = determine_usb_phy(prop);
 638
 639                 ret =
 640                     platform_device_add_data(usb_dev_mph, &usb_data,
 641                                              sizeof(struct
 642                                                     fsl_usb2_platform_data));
 643                 if (ret)
 644                         goto unreg_mph;
 645                 i++;
 646         }
 647
 648         for_each_compatible_node(np, NULL, "fsl-usb2-dr") {
 649                 struct resource r[2];
 650                 struct fsl_usb2_platform_data usb_data;
 651                 const unsigned char *prop = NULL;
 652
 653                 memset(&r, 0, sizeof(r));
 654                 memset(&usb_data, 0, sizeof(usb_data));
 655
 656                 ret = of_address_to_resource(np, 0, &r[0]);
 657                 if (ret)
 658                         goto unreg_mph;
 659
 660                 of_irq_to_resource(np, 0, &r[1]);
 661
 662                 prop = of_get_property(np, "dr_mode", NULL);
 663
 664                 if (!prop || !strcmp(prop, "host")) {
 665                         usb_data.operating_mode = FSL_USB2_DR_HOST;
 666                         usb_dev_dr_host = platform_device_register_simple(
 667                                         "fsl-ehci", i, r, 2);
 668                         if (IS_ERR(usb_dev_dr_host)) {
 669                                 ret = PTR_ERR(usb_dev_dr_host);
 670                                 goto err;
 671                         }
 672                 } else if (prop && !strcmp(prop, "peripheral")) {
 673                         usb_data.operating_mode = FSL_USB2_DR_DEVICE;
 674                         usb_dev_dr_client = platform_device_register_simple(
 675                                         "fsl-usb2-udc", i, r, 2);
 676                         if (IS_ERR(usb_dev_dr_client)) {
 677                                 ret = PTR_ERR(usb_dev_dr_client);
 678                                 goto err;
 679                         }
 680                 } else if (prop && !strcmp(prop, "otg")) {
 681                         usb_data.operating_mode = FSL_USB2_DR_OTG;
 682                         usb_dev_dr_host = platform_device_register_simple(
 683                                         "fsl-ehci", i, r, 2);
 684                         if (IS_ERR(usb_dev_dr_host)) {
 685                                 ret = PTR_ERR(usb_dev_dr_host);
 686                                 goto err;
 687                         }
 688                         usb_dev_dr_client = platform_device_register_simple(
 689                                         "fsl-usb2-udc", i, r, 2);
 690                         if (IS_ERR(usb_dev_dr_client)) {
 691                                 ret = PTR_ERR(usb_dev_dr_client);
 692                                 goto err;
 693                         }
 694                 } else {
 695                         ret = -EINVAL;
 696                         goto err;
 697                 }
 698
 699                 prop = of_get_property(np, "phy_type", NULL);
 700                 usb_data.phy_mode = determine_usb_phy(prop);
 701
 702                 if (usb_dev_dr_host) {
 703                         usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
 704                         usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
 705                                 dev.coherent_dma_mask;
 706                         if ((ret = platform_device_add_data(usb_dev_dr_host,
 707                                                 &usb_data, sizeof(struct
 708                                                 fsl_usb2_platform_data))))
 709                                 goto unreg_dr;
 710                 }
 711                 if (usb_dev_dr_client) {
 712                         usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
 713                         usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
 714                                 dev.coherent_dma_mask;
 715                         if ((ret = platform_device_add_data(usb_dev_dr_client,
 716                                                 &usb_data, sizeof(struct
 717                                                 fsl_usb2_platform_data))))
 718                                 goto unreg_dr;
 719                 }
 720                 i++;
 721         }
 722         return 0;
 723
 724 unreg_dr:
 725         if (usb_dev_dr_host)
 726                 platform_device_unregister(usb_dev_dr_host);
 727         if (usb_dev_dr_client)
 728                 platform_device_unregister(usb_dev_dr_client);
 729 unreg_mph:
 730         if (usb_dev_mph)
 731                 platform_device_unregister(usb_dev_mph);
 732 err:
 733         return ret;
 734 }
 735
 736 arch_initcall(fsl_usb_of_init);
 737
 738 #ifndef CONFIG_PPC_CPM_NEW_BINDING
 739 #ifdef CONFIG_CPM2
 740
 741 extern void init_scc_ioports(struct fs_uart_platform_info*);
 742
 743 static const char fcc_regs[] = "fcc_regs";
 744 static const char fcc_regs_c[] = "fcc_regs_c";
 745 static const char fcc_pram[] = "fcc_pram";
 746 static char bus_id[9][BUS_ID_SIZE];
 747
 748 static int __init fs_enet_of_init(void)
 749 {
 750         struct device_node *np;
 751         unsigned int i;
 752         struct platform_device *fs_enet_dev;
 753         struct resource res;
 754         int ret;
 755
 756         for (np = NULL, i = 0;
 757              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 758              i++) {
 759                 struct resource r[4];
 760                 struct device_node *phy, *mdio;
 761                 struct fs_platform_info fs_enet_data;
 762                 const unsigned int *id, *phy_addr, *phy_irq;
 763                 const void *mac_addr;
 764                 const phandle *ph;
 765                 const char *model;
 766
 767                 memset(r, 0, sizeof(r));
 768                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 769
 770                 ret = of_address_to_resource(np, 0, &r[0]);
 771                 if (ret)
 772                         goto err;
 773                 r[0].name = fcc_regs;
 774
 775                 ret = of_address_to_resource(np, 1, &r[1]);
 776                 if (ret)
 777                         goto err;
 778                 r[1].name = fcc_pram;
 779
 780                 ret = of_address_to_resource(np, 2, &r[2]);
 781                 if (ret)
 782                         goto err;
 783                 r[2].name = fcc_regs_c;
 784                 fs_enet_data.fcc_regs_c = r[2].start;
 785
 786                 of_irq_to_resource(np, 0, &r[3]);
 787
 788                 fs_enet_dev =
 789                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
 790
 791                 if (IS_ERR(fs_enet_dev)) {
 792                         ret = PTR_ERR(fs_enet_dev);
 793                         goto err;
 794                 }
 795
 796                 model = of_get_property(np, "model", NULL);
 797                 if (model == NULL) {
 798                         ret = -ENODEV;
 799                         goto unreg;
 800                 }
 801
 802                 mac_addr = of_get_mac_address(np);
 803                 if (mac_addr)
 804                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
 805
 806                 ph = of_get_property(np, "phy-handle", NULL);
 807                 phy = of_find_node_by_phandle(*ph);
 808
 809                 if (phy == NULL) {
 810                         ret = -ENODEV;
 811                         goto unreg;
 812                 }
 813
 814                 phy_addr = of_get_property(phy, "reg", NULL);
 815                 fs_enet_data.phy_addr = *phy_addr;
 816
 817                 phy_irq = of_get_property(phy, "interrupts", NULL);
 818
 819                 id = of_get_property(np, "device-id", NULL);
 820                 fs_enet_data.fs_no = *id;
 821                 strcpy(fs_enet_data.fs_type, model);
 822
 823                 mdio = of_get_parent(phy);
 824                 ret = of_address_to_resource(mdio, 0, &res);
 825                 if (ret) {
 826                         of_node_put(phy);
 827                         of_node_put(mdio);
 828                         goto unreg;
 829                 }
 830
 831                 fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
 832                                                 "rx-clock", NULL));
 833                 fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
 834                                                 "tx-clock", NULL));
 835
 836                 if (strstr(model, "FCC")) {
 837                         int fcc_index = *id - 1;
 838                         const unsigned char *mdio_bb_prop;
 839
 840                         fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
 841                         fs_enet_data.rx_ring = 32;
 842                         fs_enet_data.tx_ring = 32;
 843                         fs_enet_data.rx_copybreak = 240;
 844                         fs_enet_data.use_napi = 0;
 845                         fs_enet_data.napi_weight = 17;
 846                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
 847                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
 848                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
 849
 850                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
 851                                                         (u32)res.start, fs_enet_data.phy_addr);
 852                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
 853                         fs_enet_data.init_ioports = init_fcc_ioports;
 854
 855                         mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
 856                         if (mdio_bb_prop) {
 857                                 struct platform_device *fs_enet_mdio_bb_dev;
 858                                 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
 859
 860                                 fs_enet_mdio_bb_dev =
 861                                         platform_device_register_simple("fsl-bb-mdio",
 862                                                         i, NULL, 0);
 863                                 memset(&fs_enet_mdio_bb_data, 0,
 864                                                 sizeof(struct fs_mii_bb_platform_info));
 865                                 fs_enet_mdio_bb_data.mdio_dat.bit =
 866                                         mdio_bb_prop[0];
 867                                 fs_enet_mdio_bb_data.mdio_dir.bit =
 868                                         mdio_bb_prop[1];
 869                                 fs_enet_mdio_bb_data.mdc_dat.bit =
 870                                         mdio_bb_prop[2];
 871                                 fs_enet_mdio_bb_data.mdio_port =
 872                                         mdio_bb_prop[3];
 873                                 fs_enet_mdio_bb_data.mdc_port =
 874                                         mdio_bb_prop[4];
 875                                 fs_enet_mdio_bb_data.delay =
 876                                         mdio_bb_prop[5];
 877
 878                                 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
 879                                 fs_enet_mdio_bb_data.irq[1] = -1;
 880                                 fs_enet_mdio_bb_data.irq[2] = -1;
 881                                 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
 882                                 fs_enet_mdio_bb_data.irq[31] = -1;
 883
 884                                 fs_enet_mdio_bb_data.mdio_dat.offset =
 885                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 886                                 fs_enet_mdio_bb_data.mdio_dir.offset =
 887                                         (u32)&cpm2_immr->im_ioport.iop_pdirc;
 888                                 fs_enet_mdio_bb_data.mdc_dat.offset =
 889                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 890
 891                                 ret = platform_device_add_data(
 892                                                 fs_enet_mdio_bb_dev,
 893                                                 &fs_enet_mdio_bb_data,
 894                                                 sizeof(struct fs_mii_bb_platform_info));
 895                                 if (ret)
 896                                         goto unreg;
 897                         }
 898
 899                         of_node_put(phy);
 900                         of_node_put(mdio);
 901
 902                         ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
 903                                                      sizeof(struct
 904                                                             fs_platform_info));
 905                         if (ret)
 906                                 goto unreg;
 907                 }
 908         }
 909         return 0;
 910
 911 unreg:
 912         platform_device_unregister(fs_enet_dev);
 913 err:
 914         return ret;
 915 }
 916
 917 arch_initcall(fs_enet_of_init);
 918
 919 static const char scc_regs[] = "regs";
 920 static const char scc_pram[] = "pram";
 921
 922 static int __init cpm_uart_of_init(void)
 923 {
 924         struct device_node *np;
 925         unsigned int i;
 926         struct platform_device *cpm_uart_dev;
 927         int ret;
 928
 929         for (np = NULL, i = 0;
 930              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
 931              i++) {
 932                 struct resource r[3];
 933                 struct fs_uart_platform_info cpm_uart_data;
 934                 const int *id;
 935                 const char *model;
 936
 937                 memset(r, 0, sizeof(r));
 938                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
 939
 940                 ret = of_address_to_resource(np, 0, &r[0]);
 941                 if (ret)
 942                         goto err;
 943
 944                 r[0].name = scc_regs;
 945
 946                 ret = of_address_to_resource(np, 1, &r[1]);
 947                 if (ret)
 948                         goto err;
 949                 r[1].name = scc_pram;
 950
 951                 of_irq_to_resource(np, 0, &r[2]);
 952
 953                 cpm_uart_dev =
 954                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
 955
 956                 if (IS_ERR(cpm_uart_dev)) {
 957                         ret = PTR_ERR(cpm_uart_dev);
 958                         goto err;
 959                 }
 960
 961                 id = of_get_property(np, "device-id", NULL);
 962                 cpm_uart_data.fs_no = *id;
 963
 964                 model = of_get_property(np, "model", NULL);
 965                 strcpy(cpm_uart_data.fs_type, model);
 966
 967                 cpm_uart_data.uart_clk = ppc_proc_freq;
 968
 969                 cpm_uart_data.tx_num_fifo = 4;
 970                 cpm_uart_data.tx_buf_size = 32;
 971                 cpm_uart_data.rx_num_fifo = 4;
 972                 cpm_uart_data.rx_buf_size = 32;
 973                 cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
 974                                                 "rx-clock", NULL));
 975                 cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
 976                                                 "tx-clock", NULL));
 977
 978                 ret =
 979                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
 980                                              sizeof(struct
 981                                                     fs_uart_platform_info));
 982                 if (ret)
 983                         goto unreg;
 984         }
 985
 986         return 0;
 987
 988 unreg:
 989         platform_device_unregister(cpm_uart_dev);
 990 err:
 991         return ret;
 992 }
 993
 994 arch_initcall(cpm_uart_of_init);
 995 #endif /* CONFIG_CPM2 */
 996
 997 #ifdef CONFIG_8xx
 998
 999 extern void init_scc_ioports(struct fs_platform_info*);
1000 extern int platform_device_skip(const char *model, int id);
1001
1002 static int __init fs_enet_mdio_of_init(void)
1003 {
1004         struct device_node *np;
1005         unsigned int i;
1006         struct platform_device *mdio_dev;
1007         struct resource res;
1008         int ret;
1009
1010         for (np = NULL, i = 0;
1011              (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
1012              i++) {
1013                 struct fs_mii_fec_platform_info mdio_data;
1014
1015                 memset(&res, 0, sizeof(res));
1016                 memset(&mdio_data, 0, sizeof(mdio_data));
1017
1018                 ret = of_address_to_resource(np, 0, &res);
1019                 if (ret)
1020                         goto err;
1021
1022                 mdio_dev =
1023                     platform_device_register_simple("fsl-cpm-fec-mdio",
1024                                                     res.start, &res, 1);
1025                 if (IS_ERR(mdio_dev)) {
1026                         ret = PTR_ERR(mdio_dev);
1027                         goto err;
1028                 }
1029
1030                 mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
1031
1032                 ret =
1033                     platform_device_add_data(mdio_dev, &mdio_data,
1034                                              sizeof(struct fs_mii_fec_platform_info));
1035                 if (ret)
1036                         goto unreg;
1037         }
1038         return 0;
1039
1040 unreg:
1041         platform_device_unregister(mdio_dev);
1042 err:
1043         return ret;
1044 }
1045
1046 arch_initcall(fs_enet_mdio_of_init);
1047
1048 static const char *enet_regs = "regs";
1049 static const char *enet_pram = "pram";
1050 static const char *enet_irq = "interrupt";
1051 static char bus_id[9][BUS_ID_SIZE];
1052
1053 static int __init fs_enet_of_init(void)
1054 {
1055         struct device_node *np;
1056         unsigned int i;
1057         struct platform_device *fs_enet_dev = NULL;
1058         struct resource res;
1059         int ret;
1060
1061         for (np = NULL, i = 0;
1062              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
1063              i++) {
1064                 struct resource r[4];
1065                 struct device_node *phy = NULL, *mdio = NULL;
1066                 struct fs_platform_info fs_enet_data;
1067                 const unsigned int *id;
1068                 const unsigned int *phy_addr;
1069                 const void *mac_addr;
1070                 const phandle *ph;
1071                 const char *model;
1072
1073                 memset(r, 0, sizeof(r));
1074                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
1075
1076                 model = of_get_property(np, "model", NULL);
1077                 if (model == NULL) {
1078                         ret = -ENODEV;
1079                         goto unreg;
1080                 }
1081
1082                 id = of_get_property(np, "device-id", NULL);
1083                 fs_enet_data.fs_no = *id;
1084
1085                 if (platform_device_skip(model, *id))
1086                         continue;
1087
1088                 ret = of_address_to_resource(np, 0, &r[0]);
1089                 if (ret)
1090                         goto err;
1091                 r[0].name = enet_regs;
1092
1093                 mac_addr = of_get_mac_address(np);
1094                 if (mac_addr)
1095                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
1096
1097                 ph = of_get_property(np, "phy-handle", NULL);
1098                 if (ph != NULL)
1099                         phy = of_find_node_by_phandle(*ph);
1100
1101                 if (phy != NULL) {
1102                         phy_addr = of_get_property(phy, "reg", NULL);
1103                         fs_enet_data.phy_addr = *phy_addr;
1104                         fs_enet_data.has_phy = 1;
1105
1106                         mdio = of_get_parent(phy);
1107                         ret = of_address_to_resource(mdio, 0, &res);
1108                         if (ret) {
1109                                 of_node_put(phy);
1110                                 of_node_put(mdio);
1111                                 goto unreg;
1112                         }
1113                 }
1114
1115                 model = of_get_property(np, "model", NULL);
1116                 strcpy(fs_enet_data.fs_type, model);
1117
1118                 if (strstr(model, "FEC")) {
1119                         r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
1120                         r[1].flags = IORESOURCE_IRQ;
1121                         r[1].name = enet_irq;
1122
1123                         fs_enet_dev =
1124                                     platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
1125
1126                         if (IS_ERR(fs_enet_dev)) {
1127                                 ret = PTR_ERR(fs_enet_dev);
1128                                 goto err;
1129                         }
1130
1131                         fs_enet_data.rx_ring = 128;
1132                         fs_enet_data.tx_ring = 16;
1133                         fs_enet_data.rx_copybreak = 240;
1134                         fs_enet_data.use_napi = 1;
1135                         fs_enet_data.napi_weight = 17;
1136
1137                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
1138                                                         (u32)res.start, fs_enet_data.phy_addr);
1139                         fs_enet_data.bus_id = (char*)&bus_id[i];
1140                         fs_enet_data.init_ioports = init_fec_ioports;
1141                 }
1142                 if (strstr(model, "SCC")) {
1143                         ret = of_address_to_resource(np, 1, &r[1]);
1144                         if (ret)
1145                                 goto err;
1146                         r[1].name = enet_pram;
1147
1148                         r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1149                         r[2].flags = IORESOURCE_IRQ;
1150                         r[2].name = enet_irq;
1151
1152                         fs_enet_dev =
1153                                     platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
1154
1155                         if (IS_ERR(fs_enet_dev)) {
1156                                 ret = PTR_ERR(fs_enet_dev);
1157                                 goto err;
1158                         }
1159
1160                         fs_enet_data.rx_ring = 64;
1161                         fs_enet_data.tx_ring = 8;
1162                         fs_enet_data.rx_copybreak = 240;
1163                         fs_enet_data.use_napi = 1;
1164                         fs_enet_data.napi_weight = 17;
1165
1166                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
1167                         fs_enet_data.bus_id = (char*)&bus_id[i];
1168                         fs_enet_data.init_ioports = init_scc_ioports;
1169                 }
1170
1171                 of_node_put(phy);
1172                 of_node_put(mdio);
1173
1174                 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
1175                                              sizeof(struct
1176                                                     fs_platform_info));
1177                 if (ret)
1178                         goto unreg;
1179         }
1180         return 0;
1181
1182 unreg:
1183         platform_device_unregister(fs_enet_dev);
1184 err:
1185         return ret;
1186 }
1187
1188 arch_initcall(fs_enet_of_init);
1189
1190 static int __init fsl_pcmcia_of_init(void)
1191 {
1192         struct device_node *np;
1193         /*
1194          * Register all the devices which type is "pcmcia"
1195          */
1196         for_each_compatible_node(np, "pcmcia", "fsl,pq-pcmcia")
1197                 of_platform_device_create(np, "m8xx-pcmcia", NULL);
1198         return 0;
1199 }
1200
1201 arch_initcall(fsl_pcmcia_of_init);
1202
1203 static const char *smc_regs = "regs";
1204 static const char *smc_pram = "pram";
1205
1206 static int __init cpm_smc_uart_of_init(void)
1207 {
1208         struct device_node *np;
1209         unsigned int i;
1210         struct platform_device *cpm_uart_dev;
1211         int ret;
1212
1213         for (np = NULL, i = 0;
1214              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
1215              i++) {
1216                 struct resource r[3];
1217                 struct fs_uart_platform_info cpm_uart_data;
1218                 const int *id;
1219                 const char *model;
1220
1221                 memset(r, 0, sizeof(r));
1222                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
1223
1224                 ret = of_address_to_resource(np, 0, &r[0]);
1225                 if (ret)
1226                         goto err;
1227
1228                 r[0].name = smc_regs;
1229
1230                 ret = of_address_to_resource(np, 1, &r[1]);
1231                 if (ret)
1232                         goto err;
1233                 r[1].name = smc_pram;
1234
1235                 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1236                 r[2].flags = IORESOURCE_IRQ;
1237
1238                 cpm_uart_dev =
1239                     platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
1240
1241                 if (IS_ERR(cpm_uart_dev)) {
1242                         ret = PTR_ERR(cpm_uart_dev);
1243                         goto err;
1244                 }
1245
1246                 model = of_get_property(np, "model", NULL);
1247                 strcpy(cpm_uart_data.fs_type, model);
1248
1249                 id = of_get_property(np, "device-id", NULL);
1250                 cpm_uart_data.fs_no = *id;
1251                 cpm_uart_data.uart_clk = ppc_proc_freq;
1252
1253                 cpm_uart_data.tx_num_fifo = 4;
1254                 cpm_uart_data.tx_buf_size = 32;
1255                 cpm_uart_data.rx_num_fifo = 4;
1256                 cpm_uart_data.rx_buf_size = 32;
1257
1258                 ret =
1259                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
1260                                              sizeof(struct
1261                                                     fs_uart_platform_info));
1262                 if (ret)
1263                         goto unreg;
1264         }
1265
1266         return 0;
1267
1268 unreg:
1269         platform_device_unregister(cpm_uart_dev);
1270 err:
1271         return ret;
1272 }
1273
1274 arch_initcall(cpm_smc_uart_of_init);
1275
1276 #endif /* CONFIG_8xx */
1277 #endif /* CONFIG_PPC_CPM_NEW_BINDING */
1278
1279 static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk,
1280                                    struct spi_board_info *board_infos,
1281                                    unsigned int num_board_infos,
1282                                    void (*activate_cs)(u8 cs, u8 polarity),
1283                                    void (*deactivate_cs)(u8 cs, u8 polarity))
1284 {
1285         struct device_node *np;
1286         unsigned int i = 0;
1287
1288         for_each_compatible_node(np, type, compatible) {
1289                 int ret;
1290                 unsigned int j;
1291                 const void *prop;
1292                 struct resource res[2];
1293                 struct platform_device *pdev;
1294                 struct fsl_spi_platform_data pdata = {
1295                         .activate_cs = activate_cs,
1296                         .deactivate_cs = deactivate_cs,
1297                 };
1298
1299                 memset(res, 0, sizeof(res));
1300
1301                 pdata.sysclk = sysclk;
1302
1303                 prop = of_get_property(np, "reg", NULL);
1304                 if (!prop)
1305                         goto err;
1306                 pdata.bus_num = *(u32 *)prop;
1307
1308                 prop = of_get_property(np, "cell-index", NULL);
1309                 if (prop)
1310                         i = *(u32 *)prop;
1311
1312                 prop = of_get_property(np, "mode", NULL);
1313                 if (prop && !strcmp(prop, "cpu-qe"))
1314                         pdata.qe_mode = 1;
1315
1316                 for (j = 0; j < num_board_infos; j++) {
1317                         if (board_infos[j].bus_num == pdata.bus_num)
1318                                 pdata.max_chipselect++;
1319                 }
1320
1321                 if (!pdata.max_chipselect)
1322                         continue;
1323
1324                 ret = of_address_to_resource(np, 0, &res[0]);
1325                 if (ret)
1326                         goto err;
1327
1328                 ret = of_irq_to_resource(np, 0, &res[1]);
1329                 if (ret == NO_IRQ)
1330                         goto err;
1331
1332                 pdev = platform_device_alloc("mpc83xx_spi", i);
1333                 if (!pdev)
1334                         goto err;
1335
1336                 ret = platform_device_add_data(pdev, &pdata, sizeof(pdata));
1337                 if (ret)
1338                         goto unreg;
1339
1340                 ret = platform_device_add_resources(pdev, res,
1341                                                     ARRAY_SIZE(res));
1342                 if (ret)
1343                         goto unreg;
1344
1345                 ret = platform_device_register(pdev);
1346                 if (ret)
1347                         goto unreg;
1348
1349                 goto next;
1350 unreg:
1351                 platform_device_del(pdev);
1352 err:
1353                 pr_err("%s: registration failed\n", np->full_name);
1354 next:
1355                 i++;
1356         }
1357
1358         return i;
1359 }
1360
1361 int __init fsl_spi_init(struct spi_board_info *board_infos,
1362                         unsigned int num_board_infos,
1363                         void (*activate_cs)(u8 cs, u8 polarity),
1364                         void (*deactivate_cs)(u8 cs, u8 polarity))
1365 {
1366         u32 sysclk = -1;
1367         int ret;
1368
1369 #ifdef CONFIG_QUICC_ENGINE
1370         /* SPI controller is either clocked from QE or SoC clock */
1371         sysclk = get_brgfreq();
1372 #endif
1373         if (sysclk == -1) {
1374                 struct device_node *np;
1375                 const u32 *freq;
1376                 int size;
1377
1378                 np = of_find_node_by_type(NULL, "soc");
1379                 if (!np)
1380                         return -ENODEV;
1381
1382                 freq = of_get_property(np, "clock-frequency", &size);
1383                 if (!freq || size != sizeof(*freq) || *freq == 0) {
1384                         freq = of_get_property(np, "bus-frequency", &size);
1385                         if (!freq || size != sizeof(*freq) || *freq == 0) {
1386                                 of_node_put(np);
1387                                 return -ENODEV;
1388                         }
1389                 }
1390
1391                 sysclk = *freq;
1392                 of_node_put(np);
1393         }
1394
1395         ret = of_fsl_spi_probe(NULL, "fsl,spi", sysclk, board_infos,
1396                                num_board_infos, activate_cs, deactivate_cs);
1397         if (!ret)
1398                 of_fsl_spi_probe("spi", "fsl_spi", sysclk, board_infos,
1399                                  num_board_infos, activate_cs, deactivate_cs);
1400
1401         return spi_register_board_info(board_infos, num_board_infos);
1402 }
1403
1404 #if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
1405 static __be32 __iomem *rstcr;
1406
1407 static int __init setup_rstcr(void)
1408 {
1409         struct device_node *np;
1410         np = of_find_node_by_name(NULL, "global-utilities");
1411         if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) {
1412                 const u32 *prop = of_get_property(np, "reg", NULL);
1413                 if (prop) {
1414                         /* map reset control register
1415                          * 0xE00B0 is offset of reset control register
1416                          */
1417                         rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff);
1418                         if (!rstcr)
1419                                 printk (KERN_EMERG "Error: reset control "
1420                                                 "register not mapped!\n");
1421                 }
1422         } else
1423                 printk (KERN_INFO "rstcr compatible register does not exist!\n");
1424         if (np)
1425                 of_node_put(np);
1426         return 0;
1427 }
1428
1429 arch_initcall(setup_rstcr);
1430
1431 void fsl_rstcr_restart(char *cmd)
1432 {
1433         local_irq_disable();
1434         if (rstcr)
1435                 /* set reset control register */
1436                 out_be32(rstcr, 0x2);   /* HRESET_REQ */
1437
1438         while (1) ;
1439 }
1440 #endif