git.oblomov.eu Git - linux-2.6/blob - arch/powerpc/sysdev/fsl_soc.c

   1 /*
   2  * FSL SoC setup code
   3  *
   4  * Maintained by Kumar Gala (see MAINTAINERS for contact information)
   5  *
   6  * 2006 (c) MontaVista Software, Inc.
   7  * Vitaly Bordug <vbordug@ru.mvista.com>
   8  *
   9  * This program is free software; you can redistribute  it and/or modify it
  10  * under  the terms of  the GNU General  Public License as published by the
  11  * Free Software Foundation;  either version 2 of the  License, or (at your
  12  * option) any later version.
  13  */
  14
  15 #include <linux/stddef.h>
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/errno.h>
  19 #include <linux/major.h>
  20 #include <linux/delay.h>
  21 #include <linux/irq.h>
  22 #include <linux/module.h>
  23 #include <linux/device.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/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;
 394         struct platform_device *i2c_dev;
 395         int ret;
 396
 397         for (np = NULL, i = 0;
 398              (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
 399              i++) {
 400                 struct resource r[2];
 401                 struct fsl_i2c_platform_data i2c_data;
 402                 const unsigned char *flags = NULL;
 403
 404                 memset(&r, 0, sizeof(r));
 405                 memset(&i2c_data, 0, sizeof(i2c_data));
 406
 407                 ret = of_address_to_resource(np, 0, &r[0]);
 408                 if (ret)
 409                         goto err;
 410
 411                 of_irq_to_resource(np, 0, &r[1]);
 412
 413                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 414                 if (IS_ERR(i2c_dev)) {
 415                         ret = PTR_ERR(i2c_dev);
 416                         goto err;
 417                 }
 418
 419                 i2c_data.device_flags = 0;
 420                 flags = of_get_property(np, "dfsrr", NULL);
 421                 if (flags)
 422                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 423
 424                 flags = of_get_property(np, "fsl5200-clocking", NULL);
 425                 if (flags)
 426                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
 427
 428                 ret =
 429                     platform_device_add_data(i2c_dev, &i2c_data,
 430                                              sizeof(struct
 431                                                     fsl_i2c_platform_data));
 432                 if (ret)
 433                         goto unreg;
 434
 435                 of_register_i2c_devices(np, i);
 436         }
 437
 438         return 0;
 439
 440 unreg:
 441         platform_device_unregister(i2c_dev);
 442 err:
 443         return ret;
 444 }
 445
 446 arch_initcall(fsl_i2c_of_init);
 447 #endif
 448
 449 #ifdef CONFIG_PPC_83xx
 450 static int __init mpc83xx_wdt_init(void)
 451 {
 452         struct resource r;
 453         struct device_node *soc, *np;
 454         struct platform_device *dev;
 455         const unsigned int *freq;
 456         int ret;
 457
 458         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 459
 460         if (!np) {
 461                 ret = -ENODEV;
 462                 goto nodev;
 463         }
 464
 465         soc = of_find_node_by_type(NULL, "soc");
 466
 467         if (!soc) {
 468                 ret = -ENODEV;
 469                 goto nosoc;
 470         }
 471
 472         freq = of_get_property(soc, "bus-frequency", NULL);
 473         if (!freq) {
 474                 ret = -ENODEV;
 475                 goto err;
 476         }
 477
 478         memset(&r, 0, sizeof(r));
 479
 480         ret = of_address_to_resource(np, 0, &r);
 481         if (ret)
 482                 goto err;
 483
 484         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 485         if (IS_ERR(dev)) {
 486                 ret = PTR_ERR(dev);
 487                 goto err;
 488         }
 489
 490         ret = platform_device_add_data(dev, freq, sizeof(int));
 491         if (ret)
 492                 goto unreg;
 493
 494         of_node_put(soc);
 495         of_node_put(np);
 496
 497         return 0;
 498
 499 unreg:
 500         platform_device_unregister(dev);
 501 err:
 502         of_node_put(soc);
 503 nosoc:
 504         of_node_put(np);
 505 nodev:
 506         return ret;
 507 }
 508
 509 arch_initcall(mpc83xx_wdt_init);
 510 #endif
 511
 512 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 513 {
 514         if (!phy_type)
 515                 return FSL_USB2_PHY_NONE;
 516         if (!strcasecmp(phy_type, "ulpi"))
 517                 return FSL_USB2_PHY_ULPI;
 518         if (!strcasecmp(phy_type, "utmi"))
 519                 return FSL_USB2_PHY_UTMI;
 520         if (!strcasecmp(phy_type, "utmi_wide"))
 521                 return FSL_USB2_PHY_UTMI_WIDE;
 522         if (!strcasecmp(phy_type, "serial"))
 523                 return FSL_USB2_PHY_SERIAL;
 524
 525         return FSL_USB2_PHY_NONE;
 526 }
 527
 528 static int __init fsl_usb_of_init(void)
 529 {
 530         struct device_node *np;
 531         unsigned int i;
 532         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
 533                 *usb_dev_dr_client = NULL;
 534         int ret;
 535
 536         for (np = NULL, i = 0;
 537              (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
 538              i++) {
 539                 struct resource r[2];
 540                 struct fsl_usb2_platform_data usb_data;
 541                 const unsigned char *prop = NULL;
 542
 543                 memset(&r, 0, sizeof(r));
 544                 memset(&usb_data, 0, sizeof(usb_data));
 545
 546                 ret = of_address_to_resource(np, 0, &r[0]);
 547                 if (ret)
 548                         goto err;
 549
 550                 of_irq_to_resource(np, 0, &r[1]);
 551
 552                 usb_dev_mph =
 553                     platform_device_register_simple("fsl-ehci", i, r, 2);
 554                 if (IS_ERR(usb_dev_mph)) {
 555                         ret = PTR_ERR(usb_dev_mph);
 556                         goto err;
 557                 }
 558
 559                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 560                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
 561
 562                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
 563
 564                 prop = of_get_property(np, "port0", NULL);
 565                 if (prop)
 566                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
 567
 568                 prop = of_get_property(np, "port1", NULL);
 569                 if (prop)
 570                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
 571
 572                 prop = of_get_property(np, "phy_type", NULL);
 573                 usb_data.phy_mode = determine_usb_phy(prop);
 574
 575                 ret =
 576                     platform_device_add_data(usb_dev_mph, &usb_data,
 577                                              sizeof(struct
 578                                                     fsl_usb2_platform_data));
 579                 if (ret)
 580                         goto unreg_mph;
 581         }
 582
 583         for (np = NULL;
 584              (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
 585              i++) {
 586                 struct resource r[2];
 587                 struct fsl_usb2_platform_data usb_data;
 588                 const unsigned char *prop = NULL;
 589
 590                 memset(&r, 0, sizeof(r));
 591                 memset(&usb_data, 0, sizeof(usb_data));
 592
 593                 ret = of_address_to_resource(np, 0, &r[0]);
 594                 if (ret)
 595                         goto unreg_mph;
 596
 597                 of_irq_to_resource(np, 0, &r[1]);
 598
 599                 prop = of_get_property(np, "dr_mode", NULL);
 600
 601                 if (!prop || !strcmp(prop, "host")) {
 602                         usb_data.operating_mode = FSL_USB2_DR_HOST;
 603                         usb_dev_dr_host = platform_device_register_simple(
 604                                         "fsl-ehci", i, r, 2);
 605                         if (IS_ERR(usb_dev_dr_host)) {
 606                                 ret = PTR_ERR(usb_dev_dr_host);
 607                                 goto err;
 608                         }
 609                 } else if (prop && !strcmp(prop, "peripheral")) {
 610                         usb_data.operating_mode = FSL_USB2_DR_DEVICE;
 611                         usb_dev_dr_client = platform_device_register_simple(
 612                                         "fsl-usb2-udc", i, r, 2);
 613                         if (IS_ERR(usb_dev_dr_client)) {
 614                                 ret = PTR_ERR(usb_dev_dr_client);
 615                                 goto err;
 616                         }
 617                 } else if (prop && !strcmp(prop, "otg")) {
 618                         usb_data.operating_mode = FSL_USB2_DR_OTG;
 619                         usb_dev_dr_host = platform_device_register_simple(
 620                                         "fsl-ehci", i, r, 2);
 621                         if (IS_ERR(usb_dev_dr_host)) {
 622                                 ret = PTR_ERR(usb_dev_dr_host);
 623                                 goto err;
 624                         }
 625                         usb_dev_dr_client = platform_device_register_simple(
 626                                         "fsl-usb2-udc", i, r, 2);
 627                         if (IS_ERR(usb_dev_dr_client)) {
 628                                 ret = PTR_ERR(usb_dev_dr_client);
 629                                 goto err;
 630                         }
 631                 } else {
 632                         ret = -EINVAL;
 633                         goto err;
 634                 }
 635
 636                 prop = of_get_property(np, "phy_type", NULL);
 637                 usb_data.phy_mode = determine_usb_phy(prop);
 638
 639                 if (usb_dev_dr_host) {
 640                         usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
 641                         usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
 642                                 dev.coherent_dma_mask;
 643                         if ((ret = platform_device_add_data(usb_dev_dr_host,
 644                                                 &usb_data, sizeof(struct
 645                                                 fsl_usb2_platform_data))))
 646                                 goto unreg_dr;
 647                 }
 648                 if (usb_dev_dr_client) {
 649                         usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
 650                         usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
 651                                 dev.coherent_dma_mask;
 652                         if ((ret = platform_device_add_data(usb_dev_dr_client,
 653                                                 &usb_data, sizeof(struct
 654                                                 fsl_usb2_platform_data))))
 655                                 goto unreg_dr;
 656                 }
 657         }
 658         return 0;
 659
 660 unreg_dr:
 661         if (usb_dev_dr_host)
 662                 platform_device_unregister(usb_dev_dr_host);
 663         if (usb_dev_dr_client)
 664                 platform_device_unregister(usb_dev_dr_client);
 665 unreg_mph:
 666         if (usb_dev_mph)
 667                 platform_device_unregister(usb_dev_mph);
 668 err:
 669         return ret;
 670 }
 671
 672 arch_initcall(fsl_usb_of_init);
 673
 674 #ifndef CONFIG_PPC_CPM_NEW_BINDING
 675 #ifdef CONFIG_CPM2
 676
 677 extern void init_scc_ioports(struct fs_uart_platform_info*);
 678
 679 static const char fcc_regs[] = "fcc_regs";
 680 static const char fcc_regs_c[] = "fcc_regs_c";
 681 static const char fcc_pram[] = "fcc_pram";
 682 static char bus_id[9][BUS_ID_SIZE];
 683
 684 static int __init fs_enet_of_init(void)
 685 {
 686         struct device_node *np;
 687         unsigned int i;
 688         struct platform_device *fs_enet_dev;
 689         struct resource res;
 690         int ret;
 691
 692         for (np = NULL, i = 0;
 693              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 694              i++) {
 695                 struct resource r[4];
 696                 struct device_node *phy, *mdio;
 697                 struct fs_platform_info fs_enet_data;
 698                 const unsigned int *id, *phy_addr, *phy_irq;
 699                 const void *mac_addr;
 700                 const phandle *ph;
 701                 const char *model;
 702
 703                 memset(r, 0, sizeof(r));
 704                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 705
 706                 ret = of_address_to_resource(np, 0, &r[0]);
 707                 if (ret)
 708                         goto err;
 709                 r[0].name = fcc_regs;
 710
 711                 ret = of_address_to_resource(np, 1, &r[1]);
 712                 if (ret)
 713                         goto err;
 714                 r[1].name = fcc_pram;
 715
 716                 ret = of_address_to_resource(np, 2, &r[2]);
 717                 if (ret)
 718                         goto err;
 719                 r[2].name = fcc_regs_c;
 720                 fs_enet_data.fcc_regs_c = r[2].start;
 721
 722                 of_irq_to_resource(np, 0, &r[3]);
 723
 724                 fs_enet_dev =
 725                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
 726
 727                 if (IS_ERR(fs_enet_dev)) {
 728                         ret = PTR_ERR(fs_enet_dev);
 729                         goto err;
 730                 }
 731
 732                 model = of_get_property(np, "model", NULL);
 733                 if (model == NULL) {
 734                         ret = -ENODEV;
 735                         goto unreg;
 736                 }
 737
 738                 mac_addr = of_get_mac_address(np);
 739                 if (mac_addr)
 740                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
 741
 742                 ph = of_get_property(np, "phy-handle", NULL);
 743                 phy = of_find_node_by_phandle(*ph);
 744
 745                 if (phy == NULL) {
 746                         ret = -ENODEV;
 747                         goto unreg;
 748                 }
 749
 750                 phy_addr = of_get_property(phy, "reg", NULL);
 751                 fs_enet_data.phy_addr = *phy_addr;
 752
 753                 phy_irq = of_get_property(phy, "interrupts", NULL);
 754
 755                 id = of_get_property(np, "device-id", NULL);
 756                 fs_enet_data.fs_no = *id;
 757                 strcpy(fs_enet_data.fs_type, model);
 758
 759                 mdio = of_get_parent(phy);
 760                 ret = of_address_to_resource(mdio, 0, &res);
 761                 if (ret) {
 762                         of_node_put(phy);
 763                         of_node_put(mdio);
 764                         goto unreg;
 765                 }
 766
 767                 fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
 768                                                 "rx-clock", NULL));
 769                 fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
 770                                                 "tx-clock", NULL));
 771
 772                 if (strstr(model, "FCC")) {
 773                         int fcc_index = *id - 1;
 774                         const unsigned char *mdio_bb_prop;
 775
 776                         fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
 777                         fs_enet_data.rx_ring = 32;
 778                         fs_enet_data.tx_ring = 32;
 779                         fs_enet_data.rx_copybreak = 240;
 780                         fs_enet_data.use_napi = 0;
 781                         fs_enet_data.napi_weight = 17;
 782                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
 783                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
 784                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
 785
 786                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
 787                                                         (u32)res.start, fs_enet_data.phy_addr);
 788                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
 789                         fs_enet_data.init_ioports = init_fcc_ioports;
 790
 791                         mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
 792                         if (mdio_bb_prop) {
 793                                 struct platform_device *fs_enet_mdio_bb_dev;
 794                                 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
 795
 796                                 fs_enet_mdio_bb_dev =
 797                                         platform_device_register_simple("fsl-bb-mdio",
 798                                                         i, NULL, 0);
 799                                 memset(&fs_enet_mdio_bb_data, 0,
 800                                                 sizeof(struct fs_mii_bb_platform_info));
 801                                 fs_enet_mdio_bb_data.mdio_dat.bit =
 802                                         mdio_bb_prop[0];
 803                                 fs_enet_mdio_bb_data.mdio_dir.bit =
 804                                         mdio_bb_prop[1];
 805                                 fs_enet_mdio_bb_data.mdc_dat.bit =
 806                                         mdio_bb_prop[2];
 807                                 fs_enet_mdio_bb_data.mdio_port =
 808                                         mdio_bb_prop[3];
 809                                 fs_enet_mdio_bb_data.mdc_port =
 810                                         mdio_bb_prop[4];
 811                                 fs_enet_mdio_bb_data.delay =
 812                                         mdio_bb_prop[5];
 813
 814                                 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
 815                                 fs_enet_mdio_bb_data.irq[1] = -1;
 816                                 fs_enet_mdio_bb_data.irq[2] = -1;
 817                                 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
 818                                 fs_enet_mdio_bb_data.irq[31] = -1;
 819
 820                                 fs_enet_mdio_bb_data.mdio_dat.offset =
 821                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 822                                 fs_enet_mdio_bb_data.mdio_dir.offset =
 823                                         (u32)&cpm2_immr->im_ioport.iop_pdirc;
 824                                 fs_enet_mdio_bb_data.mdc_dat.offset =
 825                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 826
 827                                 ret = platform_device_add_data(
 828                                                 fs_enet_mdio_bb_dev,
 829                                                 &fs_enet_mdio_bb_data,
 830                                                 sizeof(struct fs_mii_bb_platform_info));
 831                                 if (ret)
 832                                         goto unreg;
 833                         }
 834
 835                         of_node_put(phy);
 836                         of_node_put(mdio);
 837
 838                         ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
 839                                                      sizeof(struct
 840                                                             fs_platform_info));
 841                         if (ret)
 842                                 goto unreg;
 843                 }
 844         }
 845         return 0;
 846
 847 unreg:
 848         platform_device_unregister(fs_enet_dev);
 849 err:
 850         return ret;
 851 }
 852
 853 arch_initcall(fs_enet_of_init);
 854
 855 static const char scc_regs[] = "regs";
 856 static const char scc_pram[] = "pram";
 857
 858 static int __init cpm_uart_of_init(void)
 859 {
 860         struct device_node *np;
 861         unsigned int i;
 862         struct platform_device *cpm_uart_dev;
 863         int ret;
 864
 865         for (np = NULL, i = 0;
 866              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
 867              i++) {
 868                 struct resource r[3];
 869                 struct fs_uart_platform_info cpm_uart_data;
 870                 const int *id;
 871                 const char *model;
 872
 873                 memset(r, 0, sizeof(r));
 874                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
 875
 876                 ret = of_address_to_resource(np, 0, &r[0]);
 877                 if (ret)
 878                         goto err;
 879
 880                 r[0].name = scc_regs;
 881
 882                 ret = of_address_to_resource(np, 1, &r[1]);
 883                 if (ret)
 884                         goto err;
 885                 r[1].name = scc_pram;
 886
 887                 of_irq_to_resource(np, 0, &r[2]);
 888
 889                 cpm_uart_dev =
 890                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
 891
 892                 if (IS_ERR(cpm_uart_dev)) {
 893                         ret = PTR_ERR(cpm_uart_dev);
 894                         goto err;
 895                 }
 896
 897                 id = of_get_property(np, "device-id", NULL);
 898                 cpm_uart_data.fs_no = *id;
 899
 900                 model = of_get_property(np, "model", NULL);
 901                 strcpy(cpm_uart_data.fs_type, model);
 902
 903                 cpm_uart_data.uart_clk = ppc_proc_freq;
 904
 905                 cpm_uart_data.tx_num_fifo = 4;
 906                 cpm_uart_data.tx_buf_size = 32;
 907                 cpm_uart_data.rx_num_fifo = 4;
 908                 cpm_uart_data.rx_buf_size = 32;
 909                 cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
 910                                                 "rx-clock", NULL));
 911                 cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
 912                                                 "tx-clock", NULL));
 913
 914                 ret =
 915                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
 916                                              sizeof(struct
 917                                                     fs_uart_platform_info));
 918                 if (ret)
 919                         goto unreg;
 920         }
 921
 922         return 0;
 923
 924 unreg:
 925         platform_device_unregister(cpm_uart_dev);
 926 err:
 927         return ret;
 928 }
 929
 930 arch_initcall(cpm_uart_of_init);
 931 #endif /* CONFIG_CPM2 */
 932
 933 #ifdef CONFIG_8xx
 934
 935 extern void init_scc_ioports(struct fs_platform_info*);
 936 extern int platform_device_skip(const char *model, int id);
 937
 938 static int __init fs_enet_mdio_of_init(void)
 939 {
 940         struct device_node *np;
 941         unsigned int i;
 942         struct platform_device *mdio_dev;
 943         struct resource res;
 944         int ret;
 945
 946         for (np = NULL, i = 0;
 947              (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
 948              i++) {
 949                 struct fs_mii_fec_platform_info mdio_data;
 950
 951                 memset(&res, 0, sizeof(res));
 952                 memset(&mdio_data, 0, sizeof(mdio_data));
 953
 954                 ret = of_address_to_resource(np, 0, &res);
 955                 if (ret)
 956                         goto err;
 957
 958                 mdio_dev =
 959                     platform_device_register_simple("fsl-cpm-fec-mdio",
 960                                                     res.start, &res, 1);
 961                 if (IS_ERR(mdio_dev)) {
 962                         ret = PTR_ERR(mdio_dev);
 963                         goto err;
 964                 }
 965
 966                 mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
 967
 968                 ret =
 969                     platform_device_add_data(mdio_dev, &mdio_data,
 970                                              sizeof(struct fs_mii_fec_platform_info));
 971                 if (ret)
 972                         goto unreg;
 973         }
 974         return 0;
 975
 976 unreg:
 977         platform_device_unregister(mdio_dev);
 978 err:
 979         return ret;
 980 }
 981
 982 arch_initcall(fs_enet_mdio_of_init);
 983
 984 static const char *enet_regs = "regs";
 985 static const char *enet_pram = "pram";
 986 static const char *enet_irq = "interrupt";
 987 static char bus_id[9][BUS_ID_SIZE];
 988
 989 static int __init fs_enet_of_init(void)
 990 {
 991         struct device_node *np;
 992         unsigned int i;
 993         struct platform_device *fs_enet_dev = NULL;
 994         struct resource res;
 995         int ret;
 996
 997         for (np = NULL, i = 0;
 998              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 999              i++) {
1000                 struct resource r[4];
1001                 struct device_node *phy = NULL, *mdio = NULL;
1002                 struct fs_platform_info fs_enet_data;
1003                 const unsigned int *id;
1004                 const unsigned int *phy_addr;
1005                 const void *mac_addr;
1006                 const phandle *ph;
1007                 const char *model;
1008
1009                 memset(r, 0, sizeof(r));
1010                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
1011
1012                 model = of_get_property(np, "model", NULL);
1013                 if (model == NULL) {
1014                         ret = -ENODEV;
1015                         goto unreg;
1016                 }
1017
1018                 id = of_get_property(np, "device-id", NULL);
1019                 fs_enet_data.fs_no = *id;
1020
1021                 if (platform_device_skip(model, *id))
1022                         continue;
1023
1024                 ret = of_address_to_resource(np, 0, &r[0]);
1025                 if (ret)
1026                         goto err;
1027                 r[0].name = enet_regs;
1028
1029                 mac_addr = of_get_mac_address(np);
1030                 if (mac_addr)
1031                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
1032
1033                 ph = of_get_property(np, "phy-handle", NULL);
1034                 if (ph != NULL)
1035                         phy = of_find_node_by_phandle(*ph);
1036
1037                 if (phy != NULL) {
1038                         phy_addr = of_get_property(phy, "reg", NULL);
1039                         fs_enet_data.phy_addr = *phy_addr;
1040                         fs_enet_data.has_phy = 1;
1041
1042                         mdio = of_get_parent(phy);
1043                         ret = of_address_to_resource(mdio, 0, &res);
1044                         if (ret) {
1045                                 of_node_put(phy);
1046                                 of_node_put(mdio);
1047                                 goto unreg;
1048                         }
1049                 }
1050
1051                 model = of_get_property(np, "model", NULL);
1052                 strcpy(fs_enet_data.fs_type, model);
1053
1054                 if (strstr(model, "FEC")) {
1055                         r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
1056                         r[1].flags = IORESOURCE_IRQ;
1057                         r[1].name = enet_irq;
1058
1059                         fs_enet_dev =
1060                                     platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
1061
1062                         if (IS_ERR(fs_enet_dev)) {
1063                                 ret = PTR_ERR(fs_enet_dev);
1064                                 goto err;
1065                         }
1066
1067                         fs_enet_data.rx_ring = 128;
1068                         fs_enet_data.tx_ring = 16;
1069                         fs_enet_data.rx_copybreak = 240;
1070                         fs_enet_data.use_napi = 1;
1071                         fs_enet_data.napi_weight = 17;
1072
1073                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
1074                                                         (u32)res.start, fs_enet_data.phy_addr);
1075                         fs_enet_data.bus_id = (char*)&bus_id[i];
1076                         fs_enet_data.init_ioports = init_fec_ioports;
1077                 }
1078                 if (strstr(model, "SCC")) {
1079                         ret = of_address_to_resource(np, 1, &r[1]);
1080                         if (ret)
1081                                 goto err;
1082                         r[1].name = enet_pram;
1083
1084                         r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1085                         r[2].flags = IORESOURCE_IRQ;
1086                         r[2].name = enet_irq;
1087
1088                         fs_enet_dev =
1089                                     platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
1090
1091                         if (IS_ERR(fs_enet_dev)) {
1092                                 ret = PTR_ERR(fs_enet_dev);
1093                                 goto err;
1094                         }
1095
1096                         fs_enet_data.rx_ring = 64;
1097                         fs_enet_data.tx_ring = 8;
1098                         fs_enet_data.rx_copybreak = 240;
1099                         fs_enet_data.use_napi = 1;
1100                         fs_enet_data.napi_weight = 17;
1101
1102                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
1103                         fs_enet_data.bus_id = (char*)&bus_id[i];
1104                         fs_enet_data.init_ioports = init_scc_ioports;
1105                 }
1106
1107                 of_node_put(phy);
1108                 of_node_put(mdio);
1109
1110                 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
1111                                              sizeof(struct
1112                                                     fs_platform_info));
1113                 if (ret)
1114                         goto unreg;
1115         }
1116         return 0;
1117
1118 unreg:
1119         platform_device_unregister(fs_enet_dev);
1120 err:
1121         return ret;
1122 }
1123
1124 arch_initcall(fs_enet_of_init);
1125
1126 static int __init fsl_pcmcia_of_init(void)
1127 {
1128         struct device_node *np = NULL;
1129         /*
1130          * Register all the devices which type is "pcmcia"
1131          */
1132         while ((np = of_find_compatible_node(np,
1133                         "pcmcia", "fsl,pq-pcmcia")) != NULL)
1134                             of_platform_device_create(np, "m8xx-pcmcia", NULL);
1135         return 0;
1136 }
1137
1138 arch_initcall(fsl_pcmcia_of_init);
1139
1140 static const char *smc_regs = "regs";
1141 static const char *smc_pram = "pram";
1142
1143 static int __init cpm_smc_uart_of_init(void)
1144 {
1145         struct device_node *np;
1146         unsigned int i;
1147         struct platform_device *cpm_uart_dev;
1148         int ret;
1149
1150         for (np = NULL, i = 0;
1151              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
1152              i++) {
1153                 struct resource r[3];
1154                 struct fs_uart_platform_info cpm_uart_data;
1155                 const int *id;
1156                 const char *model;
1157
1158                 memset(r, 0, sizeof(r));
1159                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
1160
1161                 ret = of_address_to_resource(np, 0, &r[0]);
1162                 if (ret)
1163                         goto err;
1164
1165                 r[0].name = smc_regs;
1166
1167                 ret = of_address_to_resource(np, 1, &r[1]);
1168                 if (ret)
1169                         goto err;
1170                 r[1].name = smc_pram;
1171
1172                 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1173                 r[2].flags = IORESOURCE_IRQ;
1174
1175                 cpm_uart_dev =
1176                     platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
1177
1178                 if (IS_ERR(cpm_uart_dev)) {
1179                         ret = PTR_ERR(cpm_uart_dev);
1180                         goto err;
1181                 }
1182
1183                 model = of_get_property(np, "model", NULL);
1184                 strcpy(cpm_uart_data.fs_type, model);
1185
1186                 id = of_get_property(np, "device-id", NULL);
1187                 cpm_uart_data.fs_no = *id;
1188                 cpm_uart_data.uart_clk = ppc_proc_freq;
1189
1190                 cpm_uart_data.tx_num_fifo = 4;
1191                 cpm_uart_data.tx_buf_size = 32;
1192                 cpm_uart_data.rx_num_fifo = 4;
1193                 cpm_uart_data.rx_buf_size = 32;
1194
1195                 ret =
1196                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
1197                                              sizeof(struct
1198                                                     fs_uart_platform_info));
1199                 if (ret)
1200                         goto unreg;
1201         }
1202
1203         return 0;
1204
1205 unreg:
1206         platform_device_unregister(cpm_uart_dev);
1207 err:
1208         return ret;
1209 }
1210
1211 arch_initcall(cpm_smc_uart_of_init);
1212
1213 #endif /* CONFIG_8xx */
1214 #endif /* CONFIG_PPC_CPM_NEW_BINDING */
1215
1216 int __init fsl_spi_init(struct spi_board_info *board_infos,
1217                         unsigned int num_board_infos,
1218                         void (*activate_cs)(u8 cs, u8 polarity),
1219                         void (*deactivate_cs)(u8 cs, u8 polarity))
1220 {
1221         struct device_node *np;
1222         unsigned int i;
1223         const u32 *sysclk;
1224
1225         /* SPI controller is either clocked from QE or SoC clock */
1226         np = of_find_node_by_type(NULL, "qe");
1227         if (!np)
1228                 np = of_find_node_by_type(NULL, "soc");
1229
1230         if (!np)
1231                 return -ENODEV;
1232
1233         sysclk = of_get_property(np, "bus-frequency", NULL);
1234         if (!sysclk)
1235                 return -ENODEV;
1236
1237         for (np = NULL, i = 1;
1238              (np = of_find_compatible_node(np, "spi", "fsl_spi")) != NULL;
1239              i++) {
1240                 int ret = 0;
1241                 unsigned int j;
1242                 const void *prop;
1243                 struct resource res[2];
1244                 struct platform_device *pdev;
1245                 struct fsl_spi_platform_data pdata = {
1246                         .activate_cs = activate_cs,
1247                         .deactivate_cs = deactivate_cs,
1248                 };
1249
1250                 memset(res, 0, sizeof(res));
1251
1252                 pdata.sysclk = *sysclk;
1253
1254                 prop = of_get_property(np, "reg", NULL);
1255                 if (!prop)
1256                         goto err;
1257                 pdata.bus_num = *(u32 *)prop;
1258
1259                 prop = of_get_property(np, "mode", NULL);
1260                 if (prop && !strcmp(prop, "cpu-qe"))
1261                         pdata.qe_mode = 1;
1262
1263                 for (j = 0; j < num_board_infos; j++) {
1264                         if (board_infos[j].bus_num == pdata.bus_num)
1265                                 pdata.max_chipselect++;
1266                 }
1267
1268                 if (!pdata.max_chipselect)
1269                         goto err;
1270
1271                 ret = of_address_to_resource(np, 0, &res[0]);
1272                 if (ret)
1273                         goto err;
1274
1275                 ret = of_irq_to_resource(np, 0, &res[1]);
1276                 if (ret == NO_IRQ)
1277                         goto err;
1278
1279                 pdev = platform_device_alloc("mpc83xx_spi", i);
1280                 if (!pdev)
1281                         goto err;
1282
1283                 ret = platform_device_add_data(pdev, &pdata, sizeof(pdata));
1284                 if (ret)
1285                         goto unreg;
1286
1287                 ret = platform_device_add_resources(pdev, res,
1288                                                     ARRAY_SIZE(res));
1289                 if (ret)
1290                         goto unreg;
1291
1292                 ret = platform_device_register(pdev);
1293                 if (ret)
1294                         goto unreg;
1295
1296                 continue;
1297 unreg:
1298                 platform_device_del(pdev);
1299 err:
1300                 continue;
1301         }
1302
1303         return spi_register_board_info(board_infos, num_board_infos);
1304 }
1305
1306 #if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
1307 static __be32 __iomem *rstcr;
1308
1309 static int __init setup_rstcr(void)
1310 {
1311         struct device_node *np;
1312         np = of_find_node_by_name(NULL, "global-utilities");
1313         if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) {
1314                 const u32 *prop = of_get_property(np, "reg", NULL);
1315                 if (prop) {
1316                         /* map reset control register
1317                          * 0xE00B0 is offset of reset control register
1318                          */
1319                         rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff);
1320                         if (!rstcr)
1321                                 printk (KERN_EMERG "Error: reset control "
1322                                                 "register not mapped!\n");
1323                 }
1324         } else
1325                 printk (KERN_INFO "rstcr compatible register does not exist!\n");
1326         if (np)
1327                 of_node_put(np);
1328         return 0;
1329 }
1330
1331 arch_initcall(setup_rstcr);
1332
1333 void fsl_rstcr_restart(char *cmd)
1334 {
1335         local_irq_disable();
1336         if (rstcr)
1337                 /* set reset control register */
1338                 out_be32(rstcr, 0x2);   /* HRESET_REQ */
1339
1340         while (1) ;
1341 }
1342 #endif