err.no Git - linux-2.6/blob - arch/powerpc/sysdev/fsl_soc.c

   1 /*
   2  * FSL SoC setup code
   3  *
   4  * Maintained by Kumar Gala (see MAINTAINERS for contact information)
   5  *
   6  * 2006 (c) MontaVista Software, Inc.
   7  * Vitaly Bordug <vbordug@ru.mvista.com>
   8  *
   9  * This program is free software; you can redistribute  it and/or modify it
  10  * under  the terms of  the GNU General  Public License as published by the
  11  * Free Software Foundation;  either version 2 of the  License, or (at your
  12  * option) any later version.
  13  */
  14
  15 #include <linux/stddef.h>
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/errno.h>
  19 #include <linux/major.h>
  20 #include <linux/delay.h>
  21 #include <linux/irq.h>
  22 #include <linux/module.h>
  23 #include <linux/device.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/of_platform.h>
  26 #include <linux/phy.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/fsl_devices.h>
  29 #include <linux/fs_enet_pd.h>
  30 #include <linux/fs_uart_pd.h>
  31
  32 #include <asm/system.h>
  33 #include <asm/atomic.h>
  34 #include <asm/io.h>
  35 #include <asm/irq.h>
  36 #include <asm/time.h>
  37 #include <asm/prom.h>
  38 #include <sysdev/fsl_soc.h>
  39 #include <mm/mmu_decl.h>
  40 #include <asm/cpm2.h>
  41
  42 extern void init_fcc_ioports(struct fs_platform_info*);
  43 extern void init_fec_ioports(struct fs_platform_info*);
  44 extern void init_smc_ioports(struct fs_uart_platform_info*);
  45 static phys_addr_t immrbase = -1;
  46
  47 phys_addr_t get_immrbase(void)
  48 {
  49         struct device_node *soc;
  50
  51         if (immrbase != -1)
  52                 return immrbase;
  53
  54         soc = of_find_node_by_type(NULL, "soc");
  55         if (soc) {
  56                 int size;
  57                 const void *prop = of_get_property(soc, "reg", &size);
  58
  59                 if (prop)
  60                         immrbase = of_translate_address(soc, prop);
  61                 of_node_put(soc);
  62         }
  63
  64         return immrbase;
  65 }
  66
  67 EXPORT_SYMBOL(get_immrbase);
  68
  69 #if defined(CONFIG_CPM2) || defined(CONFIG_8xx)
  70
  71 static u32 brgfreq = -1;
  72
  73 u32 get_brgfreq(void)
  74 {
  75         struct device_node *node;
  76         const unsigned int *prop;
  77         int size;
  78
  79         if (brgfreq != -1)
  80                 return brgfreq;
  81
  82         node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg");
  83         if (node) {
  84                 prop = of_get_property(node, "clock-frequency", &size);
  85                 if (prop && size == 4)
  86                         brgfreq = *prop;
  87
  88                 of_node_put(node);
  89                 return brgfreq;
  90         }
  91
  92         /* Legacy device binding -- will go away when no users are left. */
  93         node = of_find_node_by_type(NULL, "cpm");
  94         if (node) {
  95                 prop = of_get_property(node, "brg-frequency", &size);
  96                 if (prop && size == 4)
  97                         brgfreq = *prop;
  98
  99                 of_node_put(node);
 100         }
 101
 102         return brgfreq;
 103 }
 104
 105 EXPORT_SYMBOL(get_brgfreq);
 106
 107 static u32 fs_baudrate = -1;
 108
 109 u32 get_baudrate(void)
 110 {
 111         struct device_node *node;
 112
 113         if (fs_baudrate != -1)
 114                 return fs_baudrate;
 115
 116         node = of_find_node_by_type(NULL, "serial");
 117         if (node) {
 118                 int size;
 119                 const unsigned int *prop = of_get_property(node,
 120                                 "current-speed", &size);
 121
 122                 if (prop)
 123                         fs_baudrate = *prop;
 124                 of_node_put(node);
 125         }
 126
 127         return fs_baudrate;
 128 }
 129
 130 EXPORT_SYMBOL(get_baudrate);
 131 #endif /* CONFIG_CPM2 */
 132
 133 static int __init gfar_mdio_of_init(void)
 134 {
 135         struct device_node *np;
 136         unsigned int i;
 137         struct platform_device *mdio_dev;
 138         struct resource res;
 139         int ret;
 140
 141         for (np = NULL, i = 0;
 142              (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
 143              i++) {
 144                 int k;
 145                 struct device_node *child = NULL;
 146                 struct gianfar_mdio_data mdio_data;
 147
 148                 memset(&res, 0, sizeof(res));
 149                 memset(&mdio_data, 0, sizeof(mdio_data));
 150
 151                 ret = of_address_to_resource(np, 0, &res);
 152                 if (ret)
 153                         goto err;
 154
 155                 mdio_dev =
 156                     platform_device_register_simple("fsl-gianfar_mdio",
 157                                                     res.start, &res, 1);
 158                 if (IS_ERR(mdio_dev)) {
 159                         ret = PTR_ERR(mdio_dev);
 160                         goto err;
 161                 }
 162
 163                 for (k = 0; k < 32; k++)
 164                         mdio_data.irq[k] = PHY_POLL;
 165
 166                 while ((child = of_get_next_child(np, child)) != NULL) {
 167                         int irq = irq_of_parse_and_map(child, 0);
 168                         if (irq != NO_IRQ) {
 169                                 const u32 *id = of_get_property(child,
 170                                                         "reg", NULL);
 171                                 mdio_data.irq[*id] = irq;
 172                         }
 173                 }
 174
 175                 ret =
 176                     platform_device_add_data(mdio_dev, &mdio_data,
 177                                              sizeof(struct gianfar_mdio_data));
 178                 if (ret)
 179                         goto unreg;
 180         }
 181
 182         return 0;
 183
 184 unreg:
 185         platform_device_unregister(mdio_dev);
 186 err:
 187         return ret;
 188 }
 189
 190 arch_initcall(gfar_mdio_of_init);
 191
 192 static const char *gfar_tx_intr = "tx";
 193 static const char *gfar_rx_intr = "rx";
 194 static const char *gfar_err_intr = "error";
 195
 196
 197 static int __init gfar_of_init(void)
 198 {
 199         struct device_node *np;
 200         unsigned int i;
 201         struct platform_device *gfar_dev;
 202         struct resource res;
 203         int ret;
 204
 205         for (np = NULL, i = 0;
 206              (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
 207              i++) {
 208                 struct resource r[4];
 209                 struct device_node *phy, *mdio;
 210                 struct gianfar_platform_data gfar_data;
 211                 const unsigned int *id;
 212                 const char *model;
 213                 const char *ctype;
 214                 const void *mac_addr;
 215                 const phandle *ph;
 216                 int n_res = 2;
 217
 218                 memset(r, 0, sizeof(r));
 219                 memset(&gfar_data, 0, sizeof(gfar_data));
 220
 221                 ret = of_address_to_resource(np, 0, &r[0]);
 222                 if (ret)
 223                         goto err;
 224
 225                 of_irq_to_resource(np, 0, &r[1]);
 226
 227                 model = of_get_property(np, "model", NULL);
 228
 229                 /* If we aren't the FEC we have multiple interrupts */
 230                 if (model && strcasecmp(model, "FEC")) {
 231                         r[1].name = gfar_tx_intr;
 232
 233                         r[2].name = gfar_rx_intr;
 234                         of_irq_to_resource(np, 1, &r[2]);
 235
 236                         r[3].name = gfar_err_intr;
 237                         of_irq_to_resource(np, 2, &r[3]);
 238
 239                         n_res += 2;
 240                 }
 241
 242                 gfar_dev =
 243                     platform_device_register_simple("fsl-gianfar", i, &r[0],
 244                                                     n_res);
 245
 246                 if (IS_ERR(gfar_dev)) {
 247                         ret = PTR_ERR(gfar_dev);
 248                         goto err;
 249                 }
 250
 251                 mac_addr = of_get_mac_address(np);
 252                 if (mac_addr)
 253                         memcpy(gfar_data.mac_addr, mac_addr, 6);
 254
 255                 if (model && !strcasecmp(model, "TSEC"))
 256                         gfar_data.device_flags =
 257                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 258                             FSL_GIANFAR_DEV_HAS_COALESCE |
 259                             FSL_GIANFAR_DEV_HAS_RMON |
 260                             FSL_GIANFAR_DEV_HAS_MULTI_INTR;
 261                 if (model && !strcasecmp(model, "eTSEC"))
 262                         gfar_data.device_flags =
 263                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 264                             FSL_GIANFAR_DEV_HAS_COALESCE |
 265                             FSL_GIANFAR_DEV_HAS_RMON |
 266                             FSL_GIANFAR_DEV_HAS_MULTI_INTR |
 267                             FSL_GIANFAR_DEV_HAS_CSUM |
 268                             FSL_GIANFAR_DEV_HAS_VLAN |
 269                             FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
 270
 271                 ctype = of_get_property(np, "phy-connection-type", NULL);
 272
 273                 /* We only care about rgmii-id.  The rest are autodetected */
 274                 if (ctype && !strcmp(ctype, "rgmii-id"))
 275                         gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID;
 276                 else
 277                         gfar_data.interface = PHY_INTERFACE_MODE_MII;
 278
 279                 ph = of_get_property(np, "phy-handle", NULL);
 280                 phy = of_find_node_by_phandle(*ph);
 281
 282                 if (phy == NULL) {
 283                         ret = -ENODEV;
 284                         goto unreg;
 285                 }
 286
 287                 mdio = of_get_parent(phy);
 288
 289                 id = of_get_property(phy, "reg", NULL);
 290                 ret = of_address_to_resource(mdio, 0, &res);
 291                 if (ret) {
 292                         of_node_put(phy);
 293                         of_node_put(mdio);
 294                         goto unreg;
 295                 }
 296
 297                 gfar_data.phy_id = *id;
 298                 gfar_data.bus_id = res.start;
 299
 300                 of_node_put(phy);
 301                 of_node_put(mdio);
 302
 303                 ret =
 304                     platform_device_add_data(gfar_dev, &gfar_data,
 305                                              sizeof(struct
 306                                                     gianfar_platform_data));
 307                 if (ret)
 308                         goto unreg;
 309         }
 310
 311         return 0;
 312
 313 unreg:
 314         platform_device_unregister(gfar_dev);
 315 err:
 316         return ret;
 317 }
 318
 319 arch_initcall(gfar_of_init);
 320
 321 #ifdef CONFIG_I2C_BOARDINFO
 322 #include <linux/i2c.h>
 323 struct i2c_driver_device {
 324         char    *of_device;
 325         char    *i2c_driver;
 326         char    *i2c_type;
 327 };
 328
 329 static struct i2c_driver_device i2c_devices[] __initdata = {
 330         {"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",},
 331         {"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",},
 332         {"ricoh,rv5c386",  "rtc-rs5c372", "rv5c386",},
 333         {"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
 334         {"dallas,ds1307",  "rtc-ds1307",  "ds1307",},
 335         {"dallas,ds1337",  "rtc-ds1307",  "ds1337",},
 336         {"dallas,ds1338",  "rtc-ds1307",  "ds1338",},
 337         {"dallas,ds1339",  "rtc-ds1307",  "ds1339",},
 338         {"dallas,ds1340",  "rtc-ds1307",  "ds1340",},
 339         {"stm,m41t00",     "rtc-ds1307",  "m41t00"},
 340         {"dallas,ds1374",  "rtc-ds1374",  "rtc-ds1374",},
 341 };
 342
 343 static int __init of_find_i2c_driver(struct device_node *node,
 344                                      struct i2c_board_info *info)
 345 {
 346         int i;
 347
 348         for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
 349                 if (!of_device_is_compatible(node, i2c_devices[i].of_device))
 350                         continue;
 351                 if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
 352                             KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
 353                     strlcpy(info->type, i2c_devices[i].i2c_type,
 354                             I2C_NAME_SIZE) >= I2C_NAME_SIZE)
 355                         return -ENOMEM;
 356                 return 0;
 357         }
 358         return -ENODEV;
 359 }
 360
 361 static void __init of_register_i2c_devices(struct device_node *adap_node,
 362                                            int bus_num)
 363 {
 364         struct device_node *node = NULL;
 365
 366         while ((node = of_get_next_child(adap_node, node))) {
 367                 struct i2c_board_info info = {};
 368                 const u32 *addr;
 369                 int len;
 370
 371                 addr = of_get_property(node, "reg", &len);
 372                 if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
 373                         printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n");
 374                         continue;
 375                 }
 376
 377                 info.irq = irq_of_parse_and_map(node, 0);
 378                 if (info.irq == NO_IRQ)
 379                         info.irq = -1;
 380
 381                 if (of_find_i2c_driver(node, &info) < 0)
 382                         continue;
 383
 384                 info.addr = *addr;
 385
 386                 i2c_register_board_info(bus_num, &info, 1);
 387         }
 388 }
 389
 390 static int __init fsl_i2c_of_init(void)
 391 {
 392         struct device_node *np;
 393         unsigned int i = 0;
 394         struct platform_device *i2c_dev;
 395         int ret;
 396
 397         for_each_compatible_node(np, NULL, "fsl-i2c") {
 398                 struct resource r[2];
 399                 struct fsl_i2c_platform_data i2c_data;
 400                 const unsigned char *flags = NULL;
 401
 402                 memset(&r, 0, sizeof(r));
 403                 memset(&i2c_data, 0, sizeof(i2c_data));
 404
 405                 ret = of_address_to_resource(np, 0, &r[0]);
 406                 if (ret)
 407                         goto err;
 408
 409                 of_irq_to_resource(np, 0, &r[1]);
 410
 411                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 412                 if (IS_ERR(i2c_dev)) {
 413                         ret = PTR_ERR(i2c_dev);
 414                         goto err;
 415                 }
 416
 417                 i2c_data.device_flags = 0;
 418                 flags = of_get_property(np, "dfsrr", NULL);
 419                 if (flags)
 420                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 421
 422                 flags = of_get_property(np, "fsl5200-clocking", NULL);
 423                 if (flags)
 424                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
 425
 426                 ret =
 427                     platform_device_add_data(i2c_dev, &i2c_data,
 428                                              sizeof(struct
 429                                                     fsl_i2c_platform_data));
 430                 if (ret)
 431                         goto unreg;
 432
 433                 of_register_i2c_devices(np, i++);
 434         }
 435
 436         return 0;
 437
 438 unreg:
 439         platform_device_unregister(i2c_dev);
 440 err:
 441         return ret;
 442 }
 443
 444 arch_initcall(fsl_i2c_of_init);
 445 #endif
 446
 447 #ifdef CONFIG_PPC_83xx
 448 static int __init mpc83xx_wdt_init(void)
 449 {
 450         struct resource r;
 451         struct device_node *soc, *np;
 452         struct platform_device *dev;
 453         const unsigned int *freq;
 454         int ret;
 455
 456         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 457
 458         if (!np) {
 459                 ret = -ENODEV;
 460                 goto nodev;
 461         }
 462
 463         soc = of_find_node_by_type(NULL, "soc");
 464
 465         if (!soc) {
 466                 ret = -ENODEV;
 467                 goto nosoc;
 468         }
 469
 470         freq = of_get_property(soc, "bus-frequency", NULL);
 471         if (!freq) {
 472                 ret = -ENODEV;
 473                 goto err;
 474         }
 475
 476         memset(&r, 0, sizeof(r));
 477
 478         ret = of_address_to_resource(np, 0, &r);
 479         if (ret)
 480                 goto err;
 481
 482         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 483         if (IS_ERR(dev)) {
 484                 ret = PTR_ERR(dev);
 485                 goto err;
 486         }
 487
 488         ret = platform_device_add_data(dev, freq, sizeof(int));
 489         if (ret)
 490                 goto unreg;
 491
 492         of_node_put(soc);
 493         of_node_put(np);
 494
 495         return 0;
 496
 497 unreg:
 498         platform_device_unregister(dev);
 499 err:
 500         of_node_put(soc);
 501 nosoc:
 502         of_node_put(np);
 503 nodev:
 504         return ret;
 505 }
 506
 507 arch_initcall(mpc83xx_wdt_init);
 508 #endif
 509
 510 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 511 {
 512         if (!phy_type)
 513                 return FSL_USB2_PHY_NONE;
 514         if (!strcasecmp(phy_type, "ulpi"))
 515                 return FSL_USB2_PHY_ULPI;
 516         if (!strcasecmp(phy_type, "utmi"))
 517                 return FSL_USB2_PHY_UTMI;
 518         if (!strcasecmp(phy_type, "utmi_wide"))
 519                 return FSL_USB2_PHY_UTMI_WIDE;
 520         if (!strcasecmp(phy_type, "serial"))
 521                 return FSL_USB2_PHY_SERIAL;
 522
 523         return FSL_USB2_PHY_NONE;
 524 }
 525
 526 static int __init fsl_usb_of_init(void)
 527 {
 528         struct device_node *np;
 529         unsigned int i;
 530         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
 531                 *usb_dev_dr_client = NULL;
 532         int ret;
 533
 534         for (np = NULL, i = 0;
 535              (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
 536              i++) {
 537                 struct resource r[2];
 538                 struct fsl_usb2_platform_data usb_data;
 539                 const unsigned char *prop = NULL;
 540
 541                 memset(&r, 0, sizeof(r));
 542                 memset(&usb_data, 0, sizeof(usb_data));
 543
 544                 ret = of_address_to_resource(np, 0, &r[0]);
 545                 if (ret)
 546                         goto err;
 547
 548                 of_irq_to_resource(np, 0, &r[1]);
 549
 550                 usb_dev_mph =
 551                     platform_device_register_simple("fsl-ehci", i, r, 2);
 552                 if (IS_ERR(usb_dev_mph)) {
 553                         ret = PTR_ERR(usb_dev_mph);
 554                         goto err;
 555                 }
 556
 557                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 558                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
 559
 560                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
 561
 562                 prop = of_get_property(np, "port0", NULL);
 563                 if (prop)
 564                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
 565
 566                 prop = of_get_property(np, "port1", NULL);
 567                 if (prop)
 568                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
 569
 570                 prop = of_get_property(np, "phy_type", NULL);
 571                 usb_data.phy_mode = determine_usb_phy(prop);
 572
 573                 ret =
 574                     platform_device_add_data(usb_dev_mph, &usb_data,
 575                                              sizeof(struct
 576                                                     fsl_usb2_platform_data));
 577                 if (ret)
 578                         goto unreg_mph;
 579         }
 580
 581         for (np = NULL;
 582              (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
 583              i++) {
 584                 struct resource r[2];
 585                 struct fsl_usb2_platform_data usb_data;
 586                 const unsigned char *prop = NULL;
 587
 588                 memset(&r, 0, sizeof(r));
 589                 memset(&usb_data, 0, sizeof(usb_data));
 590
 591                 ret = of_address_to_resource(np, 0, &r[0]);
 592                 if (ret)
 593                         goto unreg_mph;
 594
 595                 of_irq_to_resource(np, 0, &r[1]);
 596
 597                 prop = of_get_property(np, "dr_mode", NULL);
 598
 599                 if (!prop || !strcmp(prop, "host")) {
 600                         usb_data.operating_mode = FSL_USB2_DR_HOST;
 601                         usb_dev_dr_host = platform_device_register_simple(
 602                                         "fsl-ehci", i, r, 2);
 603                         if (IS_ERR(usb_dev_dr_host)) {
 604                                 ret = PTR_ERR(usb_dev_dr_host);
 605                                 goto err;
 606                         }
 607                 } else if (prop && !strcmp(prop, "peripheral")) {
 608                         usb_data.operating_mode = FSL_USB2_DR_DEVICE;
 609                         usb_dev_dr_client = platform_device_register_simple(
 610                                         "fsl-usb2-udc", i, r, 2);
 611                         if (IS_ERR(usb_dev_dr_client)) {
 612                                 ret = PTR_ERR(usb_dev_dr_client);
 613                                 goto err;
 614                         }
 615                 } else if (prop && !strcmp(prop, "otg")) {
 616                         usb_data.operating_mode = FSL_USB2_DR_OTG;
 617                         usb_dev_dr_host = platform_device_register_simple(
 618                                         "fsl-ehci", i, r, 2);
 619                         if (IS_ERR(usb_dev_dr_host)) {
 620                                 ret = PTR_ERR(usb_dev_dr_host);
 621                                 goto err;
 622                         }
 623                         usb_dev_dr_client = platform_device_register_simple(
 624                                         "fsl-usb2-udc", i, r, 2);
 625                         if (IS_ERR(usb_dev_dr_client)) {
 626                                 ret = PTR_ERR(usb_dev_dr_client);
 627                                 goto err;
 628                         }
 629                 } else {
 630                         ret = -EINVAL;
 631                         goto err;
 632                 }
 633
 634                 prop = of_get_property(np, "phy_type", NULL);
 635                 usb_data.phy_mode = determine_usb_phy(prop);
 636
 637                 if (usb_dev_dr_host) {
 638                         usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
 639                         usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
 640                                 dev.coherent_dma_mask;
 641                         if ((ret = platform_device_add_data(usb_dev_dr_host,
 642                                                 &usb_data, sizeof(struct
 643                                                 fsl_usb2_platform_data))))
 644                                 goto unreg_dr;
 645                 }
 646                 if (usb_dev_dr_client) {
 647                         usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
 648                         usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
 649                                 dev.coherent_dma_mask;
 650                         if ((ret = platform_device_add_data(usb_dev_dr_client,
 651                                                 &usb_data, sizeof(struct
 652                                                 fsl_usb2_platform_data))))
 653                                 goto unreg_dr;
 654                 }
 655         }
 656         return 0;
 657
 658 unreg_dr:
 659         if (usb_dev_dr_host)
 660                 platform_device_unregister(usb_dev_dr_host);
 661         if (usb_dev_dr_client)
 662                 platform_device_unregister(usb_dev_dr_client);
 663 unreg_mph:
 664         if (usb_dev_mph)
 665                 platform_device_unregister(usb_dev_mph);
 666 err:
 667         return ret;
 668 }
 669
 670 arch_initcall(fsl_usb_of_init);
 671
 672 #ifndef CONFIG_PPC_CPM_NEW_BINDING
 673 #ifdef CONFIG_CPM2
 674
 675 extern void init_scc_ioports(struct fs_uart_platform_info*);
 676
 677 static const char fcc_regs[] = "fcc_regs";
 678 static const char fcc_regs_c[] = "fcc_regs_c";
 679 static const char fcc_pram[] = "fcc_pram";
 680 static char bus_id[9][BUS_ID_SIZE];
 681
 682 static int __init fs_enet_of_init(void)
 683 {
 684         struct device_node *np;
 685         unsigned int i;
 686         struct platform_device *fs_enet_dev;
 687         struct resource res;
 688         int ret;
 689
 690         for (np = NULL, i = 0;
 691              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 692              i++) {
 693                 struct resource r[4];
 694                 struct device_node *phy, *mdio;
 695                 struct fs_platform_info fs_enet_data;
 696                 const unsigned int *id, *phy_addr, *phy_irq;
 697                 const void *mac_addr;
 698                 const phandle *ph;
 699                 const char *model;
 700
 701                 memset(r, 0, sizeof(r));
 702                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 703
 704                 ret = of_address_to_resource(np, 0, &r[0]);
 705                 if (ret)
 706                         goto err;
 707                 r[0].name = fcc_regs;
 708
 709                 ret = of_address_to_resource(np, 1, &r[1]);
 710                 if (ret)
 711                         goto err;
 712                 r[1].name = fcc_pram;
 713
 714                 ret = of_address_to_resource(np, 2, &r[2]);
 715                 if (ret)
 716                         goto err;
 717                 r[2].name = fcc_regs_c;
 718                 fs_enet_data.fcc_regs_c = r[2].start;
 719
 720                 of_irq_to_resource(np, 0, &r[3]);
 721
 722                 fs_enet_dev =
 723                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
 724
 725                 if (IS_ERR(fs_enet_dev)) {
 726                         ret = PTR_ERR(fs_enet_dev);
 727                         goto err;
 728                 }
 729
 730                 model = of_get_property(np, "model", NULL);
 731                 if (model == NULL) {
 732                         ret = -ENODEV;
 733                         goto unreg;
 734                 }
 735
 736                 mac_addr = of_get_mac_address(np);
 737                 if (mac_addr)
 738                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
 739
 740                 ph = of_get_property(np, "phy-handle", NULL);
 741                 phy = of_find_node_by_phandle(*ph);
 742
 743                 if (phy == NULL) {
 744                         ret = -ENODEV;
 745                         goto unreg;
 746                 }
 747
 748                 phy_addr = of_get_property(phy, "reg", NULL);
 749                 fs_enet_data.phy_addr = *phy_addr;
 750
 751                 phy_irq = of_get_property(phy, "interrupts", NULL);
 752
 753                 id = of_get_property(np, "device-id", NULL);
 754                 fs_enet_data.fs_no = *id;
 755                 strcpy(fs_enet_data.fs_type, model);
 756
 757                 mdio = of_get_parent(phy);
 758                 ret = of_address_to_resource(mdio, 0, &res);
 759                 if (ret) {
 760                         of_node_put(phy);
 761                         of_node_put(mdio);
 762                         goto unreg;
 763                 }
 764
 765                 fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
 766                                                 "rx-clock", NULL));
 767                 fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
 768                                                 "tx-clock", NULL));
 769
 770                 if (strstr(model, "FCC")) {
 771                         int fcc_index = *id - 1;
 772                         const unsigned char *mdio_bb_prop;
 773
 774                         fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
 775                         fs_enet_data.rx_ring = 32;
 776                         fs_enet_data.tx_ring = 32;
 777                         fs_enet_data.rx_copybreak = 240;
 778                         fs_enet_data.use_napi = 0;
 779                         fs_enet_data.napi_weight = 17;
 780                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
 781                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
 782                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
 783
 784                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
 785                                                         (u32)res.start, fs_enet_data.phy_addr);
 786                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
 787                         fs_enet_data.init_ioports = init_fcc_ioports;
 788
 789                         mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
 790                         if (mdio_bb_prop) {
 791                                 struct platform_device *fs_enet_mdio_bb_dev;
 792                                 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
 793
 794                                 fs_enet_mdio_bb_dev =
 795                                         platform_device_register_simple("fsl-bb-mdio",
 796                                                         i, NULL, 0);
 797                                 memset(&fs_enet_mdio_bb_data, 0,
 798                                                 sizeof(struct fs_mii_bb_platform_info));
 799                                 fs_enet_mdio_bb_data.mdio_dat.bit =
 800                                         mdio_bb_prop[0];
 801                                 fs_enet_mdio_bb_data.mdio_dir.bit =
 802                                         mdio_bb_prop[1];
 803                                 fs_enet_mdio_bb_data.mdc_dat.bit =
 804                                         mdio_bb_prop[2];
 805                                 fs_enet_mdio_bb_data.mdio_port =
 806                                         mdio_bb_prop[3];
 807                                 fs_enet_mdio_bb_data.mdc_port =
 808                                         mdio_bb_prop[4];
 809                                 fs_enet_mdio_bb_data.delay =
 810                                         mdio_bb_prop[5];
 811
 812                                 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
 813                                 fs_enet_mdio_bb_data.irq[1] = -1;
 814                                 fs_enet_mdio_bb_data.irq[2] = -1;
 815                                 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
 816                                 fs_enet_mdio_bb_data.irq[31] = -1;
 817
 818                                 fs_enet_mdio_bb_data.mdio_dat.offset =
 819                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 820                                 fs_enet_mdio_bb_data.mdio_dir.offset =
 821                                         (u32)&cpm2_immr->im_ioport.iop_pdirc;
 822                                 fs_enet_mdio_bb_data.mdc_dat.offset =
 823                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 824
 825                                 ret = platform_device_add_data(
 826                                                 fs_enet_mdio_bb_dev,
 827                                                 &fs_enet_mdio_bb_data,
 828                                                 sizeof(struct fs_mii_bb_platform_info));
 829                                 if (ret)
 830                                         goto unreg;
 831                         }
 832
 833                         of_node_put(phy);
 834                         of_node_put(mdio);
 835
 836                         ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
 837                                                      sizeof(struct
 838                                                             fs_platform_info));
 839                         if (ret)
 840                                 goto unreg;
 841                 }
 842         }
 843         return 0;
 844
 845 unreg:
 846         platform_device_unregister(fs_enet_dev);
 847 err:
 848         return ret;
 849 }
 850
 851 arch_initcall(fs_enet_of_init);
 852
 853 static const char scc_regs[] = "regs";
 854 static const char scc_pram[] = "pram";
 855
 856 static int __init cpm_uart_of_init(void)
 857 {
 858         struct device_node *np;
 859         unsigned int i;
 860         struct platform_device *cpm_uart_dev;
 861         int ret;
 862
 863         for (np = NULL, i = 0;
 864              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
 865              i++) {
 866                 struct resource r[3];
 867                 struct fs_uart_platform_info cpm_uart_data;
 868                 const int *id;
 869                 const char *model;
 870
 871                 memset(r, 0, sizeof(r));
 872                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
 873
 874                 ret = of_address_to_resource(np, 0, &r[0]);
 875                 if (ret)
 876                         goto err;
 877
 878                 r[0].name = scc_regs;
 879
 880                 ret = of_address_to_resource(np, 1, &r[1]);
 881                 if (ret)
 882                         goto err;
 883                 r[1].name = scc_pram;
 884
 885                 of_irq_to_resource(np, 0, &r[2]);
 886
 887                 cpm_uart_dev =
 888                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
 889
 890                 if (IS_ERR(cpm_uart_dev)) {
 891                         ret = PTR_ERR(cpm_uart_dev);
 892                         goto err;
 893                 }
 894
 895                 id = of_get_property(np, "device-id", NULL);
 896                 cpm_uart_data.fs_no = *id;
 897
 898                 model = of_get_property(np, "model", NULL);
 899                 strcpy(cpm_uart_data.fs_type, model);
 900
 901                 cpm_uart_data.uart_clk = ppc_proc_freq;
 902
 903                 cpm_uart_data.tx_num_fifo = 4;
 904                 cpm_uart_data.tx_buf_size = 32;
 905                 cpm_uart_data.rx_num_fifo = 4;
 906                 cpm_uart_data.rx_buf_size = 32;
 907                 cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
 908                                                 "rx-clock", NULL));
 909                 cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
 910                                                 "tx-clock", NULL));
 911
 912                 ret =
 913                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
 914                                              sizeof(struct
 915                                                     fs_uart_platform_info));
 916                 if (ret)
 917                         goto unreg;
 918         }
 919
 920         return 0;
 921
 922 unreg:
 923         platform_device_unregister(cpm_uart_dev);
 924 err:
 925         return ret;
 926 }
 927
 928 arch_initcall(cpm_uart_of_init);
 929 #endif /* CONFIG_CPM2 */
 930
 931 #ifdef CONFIG_8xx
 932
 933 extern void init_scc_ioports(struct fs_platform_info*);
 934 extern int platform_device_skip(const char *model, int id);
 935
 936 static int __init fs_enet_mdio_of_init(void)
 937 {
 938         struct device_node *np;
 939         unsigned int i;
 940         struct platform_device *mdio_dev;
 941         struct resource res;
 942         int ret;
 943
 944         for (np = NULL, i = 0;
 945              (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
 946              i++) {
 947                 struct fs_mii_fec_platform_info mdio_data;
 948
 949                 memset(&res, 0, sizeof(res));
 950                 memset(&mdio_data, 0, sizeof(mdio_data));
 951
 952                 ret = of_address_to_resource(np, 0, &res);
 953                 if (ret)
 954                         goto err;
 955
 956                 mdio_dev =
 957                     platform_device_register_simple("fsl-cpm-fec-mdio",
 958                                                     res.start, &res, 1);
 959                 if (IS_ERR(mdio_dev)) {
 960                         ret = PTR_ERR(mdio_dev);
 961                         goto err;
 962                 }
 963
 964                 mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
 965
 966                 ret =
 967                     platform_device_add_data(mdio_dev, &mdio_data,
 968                                              sizeof(struct fs_mii_fec_platform_info));
 969                 if (ret)
 970                         goto unreg;
 971         }
 972         return 0;
 973
 974 unreg:
 975         platform_device_unregister(mdio_dev);
 976 err:
 977         return ret;
 978 }
 979
 980 arch_initcall(fs_enet_mdio_of_init);
 981
 982 static const char *enet_regs = "regs";
 983 static const char *enet_pram = "pram";
 984 static const char *enet_irq = "interrupt";
 985 static char bus_id[9][BUS_ID_SIZE];
 986
 987 static int __init fs_enet_of_init(void)
 988 {
 989         struct device_node *np;
 990         unsigned int i;
 991         struct platform_device *fs_enet_dev = NULL;
 992         struct resource res;
 993         int ret;
 994
 995         for (np = NULL, i = 0;
 996              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 997              i++) {
 998                 struct resource r[4];
 999                 struct device_node *phy = NULL, *mdio = NULL;
1000                 struct fs_platform_info fs_enet_data;
1001                 const unsigned int *id;
1002                 const unsigned int *phy_addr;
1003                 const void *mac_addr;
1004                 const phandle *ph;
1005                 const char *model;
1006
1007                 memset(r, 0, sizeof(r));
1008                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
1009
1010                 model = of_get_property(np, "model", NULL);
1011                 if (model == NULL) {
1012                         ret = -ENODEV;
1013                         goto unreg;
1014                 }
1015
1016                 id = of_get_property(np, "device-id", NULL);
1017                 fs_enet_data.fs_no = *id;
1018
1019                 if (platform_device_skip(model, *id))
1020                         continue;
1021
1022                 ret = of_address_to_resource(np, 0, &r[0]);
1023                 if (ret)
1024                         goto err;
1025                 r[0].name = enet_regs;
1026
1027                 mac_addr = of_get_mac_address(np);
1028                 if (mac_addr)
1029                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
1030
1031                 ph = of_get_property(np, "phy-handle", NULL);
1032                 if (ph != NULL)
1033                         phy = of_find_node_by_phandle(*ph);
1034
1035                 if (phy != NULL) {
1036                         phy_addr = of_get_property(phy, "reg", NULL);
1037                         fs_enet_data.phy_addr = *phy_addr;
1038                         fs_enet_data.has_phy = 1;
1039
1040                         mdio = of_get_parent(phy);
1041                         ret = of_address_to_resource(mdio, 0, &res);
1042                         if (ret) {
1043                                 of_node_put(phy);
1044                                 of_node_put(mdio);
1045                                 goto unreg;
1046                         }
1047                 }
1048
1049                 model = of_get_property(np, "model", NULL);
1050                 strcpy(fs_enet_data.fs_type, model);
1051
1052                 if (strstr(model, "FEC")) {
1053                         r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
1054                         r[1].flags = IORESOURCE_IRQ;
1055                         r[1].name = enet_irq;
1056
1057                         fs_enet_dev =
1058                                     platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
1059
1060                         if (IS_ERR(fs_enet_dev)) {
1061                                 ret = PTR_ERR(fs_enet_dev);
1062                                 goto err;
1063                         }
1064
1065                         fs_enet_data.rx_ring = 128;
1066                         fs_enet_data.tx_ring = 16;
1067                         fs_enet_data.rx_copybreak = 240;
1068                         fs_enet_data.use_napi = 1;
1069                         fs_enet_data.napi_weight = 17;
1070
1071                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
1072                                                         (u32)res.start, fs_enet_data.phy_addr);
1073                         fs_enet_data.bus_id = (char*)&bus_id[i];
1074                         fs_enet_data.init_ioports = init_fec_ioports;
1075                 }
1076                 if (strstr(model, "SCC")) {
1077                         ret = of_address_to_resource(np, 1, &r[1]);
1078                         if (ret)
1079                                 goto err;
1080                         r[1].name = enet_pram;
1081
1082                         r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1083                         r[2].flags = IORESOURCE_IRQ;
1084                         r[2].name = enet_irq;
1085
1086                         fs_enet_dev =
1087                                     platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
1088
1089                         if (IS_ERR(fs_enet_dev)) {
1090                                 ret = PTR_ERR(fs_enet_dev);
1091                                 goto err;
1092                         }
1093
1094                         fs_enet_data.rx_ring = 64;
1095                         fs_enet_data.tx_ring = 8;
1096                         fs_enet_data.rx_copybreak = 240;
1097                         fs_enet_data.use_napi = 1;
1098                         fs_enet_data.napi_weight = 17;
1099
1100                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
1101                         fs_enet_data.bus_id = (char*)&bus_id[i];
1102                         fs_enet_data.init_ioports = init_scc_ioports;
1103                 }
1104
1105                 of_node_put(phy);
1106                 of_node_put(mdio);
1107
1108                 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
1109                                              sizeof(struct
1110                                                     fs_platform_info));
1111                 if (ret)
1112                         goto unreg;
1113         }
1114         return 0;
1115
1116 unreg:
1117         platform_device_unregister(fs_enet_dev);
1118 err:
1119         return ret;
1120 }
1121
1122 arch_initcall(fs_enet_of_init);
1123
1124 static int __init fsl_pcmcia_of_init(void)
1125 {
1126         struct device_node *np = NULL;
1127         /*
1128          * Register all the devices which type is "pcmcia"
1129          */
1130         while ((np = of_find_compatible_node(np,
1131                         "pcmcia", "fsl,pq-pcmcia")) != NULL)
1132                             of_platform_device_create(np, "m8xx-pcmcia", NULL);
1133         return 0;
1134 }
1135
1136 arch_initcall(fsl_pcmcia_of_init);
1137
1138 static const char *smc_regs = "regs";
1139 static const char *smc_pram = "pram";
1140
1141 static int __init cpm_smc_uart_of_init(void)
1142 {
1143         struct device_node *np;
1144         unsigned int i;
1145         struct platform_device *cpm_uart_dev;
1146         int ret;
1147
1148         for (np = NULL, i = 0;
1149              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
1150              i++) {
1151                 struct resource r[3];
1152                 struct fs_uart_platform_info cpm_uart_data;
1153                 const int *id;
1154                 const char *model;
1155
1156                 memset(r, 0, sizeof(r));
1157                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
1158
1159                 ret = of_address_to_resource(np, 0, &r[0]);
1160                 if (ret)
1161                         goto err;
1162
1163                 r[0].name = smc_regs;
1164
1165                 ret = of_address_to_resource(np, 1, &r[1]);
1166                 if (ret)
1167                         goto err;
1168                 r[1].name = smc_pram;
1169
1170                 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1171                 r[2].flags = IORESOURCE_IRQ;
1172
1173                 cpm_uart_dev =
1174                     platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
1175
1176                 if (IS_ERR(cpm_uart_dev)) {
1177                         ret = PTR_ERR(cpm_uart_dev);
1178                         goto err;
1179                 }
1180
1181                 model = of_get_property(np, "model", NULL);
1182                 strcpy(cpm_uart_data.fs_type, model);
1183
1184                 id = of_get_property(np, "device-id", NULL);
1185                 cpm_uart_data.fs_no = *id;
1186                 cpm_uart_data.uart_clk = ppc_proc_freq;
1187
1188                 cpm_uart_data.tx_num_fifo = 4;
1189                 cpm_uart_data.tx_buf_size = 32;
1190                 cpm_uart_data.rx_num_fifo = 4;
1191                 cpm_uart_data.rx_buf_size = 32;
1192
1193                 ret =
1194                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
1195                                              sizeof(struct
1196                                                     fs_uart_platform_info));
1197                 if (ret)
1198                         goto unreg;
1199         }
1200
1201         return 0;
1202
1203 unreg:
1204         platform_device_unregister(cpm_uart_dev);
1205 err:
1206         return ret;
1207 }
1208
1209 arch_initcall(cpm_smc_uart_of_init);
1210
1211 #endif /* CONFIG_8xx */
1212 #endif /* CONFIG_PPC_CPM_NEW_BINDING */
1213
1214 int __init fsl_spi_init(struct spi_board_info *board_infos,
1215                         unsigned int num_board_infos,
1216                         void (*activate_cs)(u8 cs, u8 polarity),
1217                         void (*deactivate_cs)(u8 cs, u8 polarity))
1218 {
1219         struct device_node *np;
1220         unsigned int i;
1221         const u32 *sysclk;
1222
1223         /* SPI controller is either clocked from QE or SoC clock */
1224         np = of_find_node_by_type(NULL, "qe");
1225         if (!np)
1226                 np = of_find_node_by_type(NULL, "soc");
1227
1228         if (!np)
1229                 return -ENODEV;
1230
1231         sysclk = of_get_property(np, "bus-frequency", NULL);
1232         if (!sysclk)
1233                 return -ENODEV;
1234
1235         for (np = NULL, i = 1;
1236              (np = of_find_compatible_node(np, "spi", "fsl_spi")) != NULL;
1237              i++) {
1238                 int ret = 0;
1239                 unsigned int j;
1240                 const void *prop;
1241                 struct resource res[2];
1242                 struct platform_device *pdev;
1243                 struct fsl_spi_platform_data pdata = {
1244                         .activate_cs = activate_cs,
1245                         .deactivate_cs = deactivate_cs,
1246                 };
1247
1248                 memset(res, 0, sizeof(res));
1249
1250                 pdata.sysclk = *sysclk;
1251
1252                 prop = of_get_property(np, "reg", NULL);
1253                 if (!prop)
1254                         goto err;
1255                 pdata.bus_num = *(u32 *)prop;
1256
1257                 prop = of_get_property(np, "mode", NULL);
1258                 if (prop && !strcmp(prop, "cpu-qe"))
1259                         pdata.qe_mode = 1;
1260
1261                 for (j = 0; j < num_board_infos; j++) {
1262                         if (board_infos[j].bus_num == pdata.bus_num)
1263                                 pdata.max_chipselect++;
1264                 }
1265
1266                 if (!pdata.max_chipselect)
1267                         goto err;
1268
1269                 ret = of_address_to_resource(np, 0, &res[0]);
1270                 if (ret)
1271                         goto err;
1272
1273                 ret = of_irq_to_resource(np, 0, &res[1]);
1274                 if (ret == NO_IRQ)
1275                         goto err;
1276
1277                 pdev = platform_device_alloc("mpc83xx_spi", i);
1278                 if (!pdev)
1279                         goto err;
1280
1281                 ret = platform_device_add_data(pdev, &pdata, sizeof(pdata));
1282                 if (ret)
1283                         goto unreg;
1284
1285                 ret = platform_device_add_resources(pdev, res,
1286                                                     ARRAY_SIZE(res));
1287                 if (ret)
1288                         goto unreg;
1289
1290                 ret = platform_device_register(pdev);
1291                 if (ret)
1292                         goto unreg;
1293
1294                 continue;
1295 unreg:
1296                 platform_device_del(pdev);
1297 err:
1298                 continue;
1299         }
1300
1301         return spi_register_board_info(board_infos, num_board_infos);
1302 }
1303
1304 #if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
1305 static __be32 __iomem *rstcr;
1306
1307 static int __init setup_rstcr(void)
1308 {
1309         struct device_node *np;
1310         np = of_find_node_by_name(NULL, "global-utilities");
1311         if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) {
1312                 const u32 *prop = of_get_property(np, "reg", NULL);
1313                 if (prop) {
1314                         /* map reset control register
1315                          * 0xE00B0 is offset of reset control register
1316                          */
1317                         rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff);
1318                         if (!rstcr)
1319                                 printk (KERN_EMERG "Error: reset control "
1320                                                 "register not mapped!\n");
1321                 }
1322         } else
1323                 printk (KERN_INFO "rstcr compatible register does not exist!\n");
1324         if (np)
1325                 of_node_put(np);
1326         return 0;
1327 }
1328
1329 arch_initcall(setup_rstcr);
1330
1331 void fsl_rstcr_restart(char *cmd)
1332 {
1333         local_irq_disable();
1334         if (rstcr)
1335                 /* set reset control register */
1336                 out_be32(rstcr, 0x2);   /* HRESET_REQ */
1337
1338         while (1) ;
1339 }
1340 #endif