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 = NULL;
 136         struct platform_device *mdio_dev;
 137         struct resource res;
 138         int ret;
 139
 140         np = of_find_compatible_node(np, NULL, "fsl,gianfar-mdio");
 141
 142         /* try the deprecated version */
 143         if (!np)
 144                 np = of_find_compatible_node(np, "mdio", "gianfar");
 145
 146         if (np) {
 147                 int k;
 148                 struct device_node *child = NULL;
 149                 struct gianfar_mdio_data mdio_data;
 150
 151                 memset(&res, 0, sizeof(res));
 152                 memset(&mdio_data, 0, sizeof(mdio_data));
 153
 154                 ret = of_address_to_resource(np, 0, &res);
 155                 if (ret)
 156                         goto err;
 157
 158                 mdio_dev =
 159                     platform_device_register_simple("fsl-gianfar_mdio",
 160                                                     res.start, &res, 1);
 161                 if (IS_ERR(mdio_dev)) {
 162                         ret = PTR_ERR(mdio_dev);
 163                         goto err;
 164                 }
 165
 166                 for (k = 0; k < 32; k++)
 167                         mdio_data.irq[k] = PHY_POLL;
 168
 169                 while ((child = of_get_next_child(np, child)) != NULL) {
 170                         int irq = irq_of_parse_and_map(child, 0);
 171                         if (irq != NO_IRQ) {
 172                                 const u32 *id = of_get_property(child,
 173                                                         "reg", NULL);
 174                                 mdio_data.irq[*id] = irq;
 175                         }
 176                 }
 177
 178                 ret =
 179                     platform_device_add_data(mdio_dev, &mdio_data,
 180                                              sizeof(struct gianfar_mdio_data));
 181                 if (ret)
 182                         goto unreg;
 183         }
 184
 185         of_node_put(np);
 186         return 0;
 187
 188 unreg:
 189         platform_device_unregister(mdio_dev);
 190 err:
 191         of_node_put(np);
 192         return ret;
 193 }
 194
 195 arch_initcall(gfar_mdio_of_init);
 196
 197 static const char *gfar_tx_intr = "tx";
 198 static const char *gfar_rx_intr = "rx";
 199 static const char *gfar_err_intr = "error";
 200
 201
 202 static int __init gfar_of_init(void)
 203 {
 204         struct device_node *np;
 205         unsigned int i;
 206         struct platform_device *gfar_dev;
 207         struct resource res;
 208         int ret;
 209
 210         for (np = NULL, i = 0;
 211              (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
 212              i++) {
 213                 struct resource r[4];
 214                 struct device_node *phy, *mdio;
 215                 struct gianfar_platform_data gfar_data;
 216                 const unsigned int *id;
 217                 const char *model;
 218                 const char *ctype;
 219                 const void *mac_addr;
 220                 const phandle *ph;
 221                 int n_res = 2;
 222
 223                 memset(r, 0, sizeof(r));
 224                 memset(&gfar_data, 0, sizeof(gfar_data));
 225
 226                 ret = of_address_to_resource(np, 0, &r[0]);
 227                 if (ret)
 228                         goto err;
 229
 230                 of_irq_to_resource(np, 0, &r[1]);
 231
 232                 model = of_get_property(np, "model", NULL);
 233
 234                 /* If we aren't the FEC we have multiple interrupts */
 235                 if (model && strcasecmp(model, "FEC")) {
 236                         r[1].name = gfar_tx_intr;
 237
 238                         r[2].name = gfar_rx_intr;
 239                         of_irq_to_resource(np, 1, &r[2]);
 240
 241                         r[3].name = gfar_err_intr;
 242                         of_irq_to_resource(np, 2, &r[3]);
 243
 244                         n_res += 2;
 245                 }
 246
 247                 gfar_dev =
 248                     platform_device_register_simple("fsl-gianfar", i, &r[0],
 249                                                     n_res);
 250
 251                 if (IS_ERR(gfar_dev)) {
 252                         ret = PTR_ERR(gfar_dev);
 253                         goto err;
 254                 }
 255
 256                 mac_addr = of_get_mac_address(np);
 257                 if (mac_addr)
 258                         memcpy(gfar_data.mac_addr, mac_addr, 6);
 259
 260                 if (model && !strcasecmp(model, "TSEC"))
 261                         gfar_data.device_flags =
 262                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 263                             FSL_GIANFAR_DEV_HAS_COALESCE |
 264                             FSL_GIANFAR_DEV_HAS_RMON |
 265                             FSL_GIANFAR_DEV_HAS_MULTI_INTR;
 266                 if (model && !strcasecmp(model, "eTSEC"))
 267                         gfar_data.device_flags =
 268                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 269                             FSL_GIANFAR_DEV_HAS_COALESCE |
 270                             FSL_GIANFAR_DEV_HAS_RMON |
 271                             FSL_GIANFAR_DEV_HAS_MULTI_INTR |
 272                             FSL_GIANFAR_DEV_HAS_CSUM |
 273                             FSL_GIANFAR_DEV_HAS_VLAN |
 274                             FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
 275
 276                 ctype = of_get_property(np, "phy-connection-type", NULL);
 277
 278                 /* We only care about rgmii-id.  The rest are autodetected */
 279                 if (ctype && !strcmp(ctype, "rgmii-id"))
 280                         gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID;
 281                 else
 282                         gfar_data.interface = PHY_INTERFACE_MODE_MII;
 283
 284                 ph = of_get_property(np, "phy-handle", NULL);
 285                 phy = of_find_node_by_phandle(*ph);
 286
 287                 if (phy == NULL) {
 288                         ret = -ENODEV;
 289                         goto unreg;
 290                 }
 291
 292                 mdio = of_get_parent(phy);
 293
 294                 id = of_get_property(phy, "reg", NULL);
 295                 ret = of_address_to_resource(mdio, 0, &res);
 296                 if (ret) {
 297                         of_node_put(phy);
 298                         of_node_put(mdio);
 299                         goto unreg;
 300                 }
 301
 302                 gfar_data.phy_id = *id;
 303                 gfar_data.bus_id = res.start;
 304
 305                 of_node_put(phy);
 306                 of_node_put(mdio);
 307
 308                 ret =
 309                     platform_device_add_data(gfar_dev, &gfar_data,
 310                                              sizeof(struct
 311                                                     gianfar_platform_data));
 312                 if (ret)
 313                         goto unreg;
 314         }
 315
 316         return 0;
 317
 318 unreg:
 319         platform_device_unregister(gfar_dev);
 320 err:
 321         return ret;
 322 }
 323
 324 arch_initcall(gfar_of_init);
 325
 326 #ifdef CONFIG_I2C_BOARDINFO
 327 #include <linux/i2c.h>
 328 struct i2c_driver_device {
 329         char    *of_device;
 330         char    *i2c_driver;
 331         char    *i2c_type;
 332 };
 333
 334 static struct i2c_driver_device i2c_devices[] __initdata = {
 335         {"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",},
 336         {"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",},
 337         {"ricoh,rv5c386",  "rtc-rs5c372", "rv5c386",},
 338         {"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
 339         {"dallas,ds1307",  "rtc-ds1307",  "ds1307",},
 340         {"dallas,ds1337",  "rtc-ds1307",  "ds1337",},
 341         {"dallas,ds1338",  "rtc-ds1307",  "ds1338",},
 342         {"dallas,ds1339",  "rtc-ds1307",  "ds1339",},
 343         {"dallas,ds1340",  "rtc-ds1307",  "ds1340",},
 344         {"stm,m41t00",     "rtc-ds1307",  "m41t00"},
 345         {"dallas,ds1374",  "rtc-ds1374",  "rtc-ds1374",},
 346 };
 347
 348 static int __init of_find_i2c_driver(struct device_node *node,
 349                                      struct i2c_board_info *info)
 350 {
 351         int i;
 352
 353         for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
 354                 if (!of_device_is_compatible(node, i2c_devices[i].of_device))
 355                         continue;
 356                 if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
 357                             KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
 358                     strlcpy(info->type, i2c_devices[i].i2c_type,
 359                             I2C_NAME_SIZE) >= I2C_NAME_SIZE)
 360                         return -ENOMEM;
 361                 return 0;
 362         }
 363         return -ENODEV;
 364 }
 365
 366 static void __init of_register_i2c_devices(struct device_node *adap_node,
 367                                            int bus_num)
 368 {
 369         struct device_node *node = NULL;
 370
 371         while ((node = of_get_next_child(adap_node, node))) {
 372                 struct i2c_board_info info = {};
 373                 const u32 *addr;
 374                 int len;
 375
 376                 addr = of_get_property(node, "reg", &len);
 377                 if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
 378                         printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n");
 379                         continue;
 380                 }
 381
 382                 info.irq = irq_of_parse_and_map(node, 0);
 383                 if (info.irq == NO_IRQ)
 384                         info.irq = -1;
 385
 386                 if (of_find_i2c_driver(node, &info) < 0)
 387                         continue;
 388
 389                 info.addr = *addr;
 390
 391                 i2c_register_board_info(bus_num, &info, 1);
 392         }
 393 }
 394
 395 static int __init fsl_i2c_of_init(void)
 396 {
 397         struct device_node *np;
 398         unsigned int i = 0;
 399         struct platform_device *i2c_dev;
 400         int ret;
 401
 402         for_each_compatible_node(np, NULL, "fsl-i2c") {
 403                 struct resource r[2];
 404                 struct fsl_i2c_platform_data i2c_data;
 405                 const unsigned char *flags = NULL;
 406
 407                 memset(&r, 0, sizeof(r));
 408                 memset(&i2c_data, 0, sizeof(i2c_data));
 409
 410                 ret = of_address_to_resource(np, 0, &r[0]);
 411                 if (ret)
 412                         goto err;
 413
 414                 of_irq_to_resource(np, 0, &r[1]);
 415
 416                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 417                 if (IS_ERR(i2c_dev)) {
 418                         ret = PTR_ERR(i2c_dev);
 419                         goto err;
 420                 }
 421
 422                 i2c_data.device_flags = 0;
 423                 flags = of_get_property(np, "dfsrr", NULL);
 424                 if (flags)
 425                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 426
 427                 flags = of_get_property(np, "fsl5200-clocking", NULL);
 428                 if (flags)
 429                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
 430
 431                 ret =
 432                     platform_device_add_data(i2c_dev, &i2c_data,
 433                                              sizeof(struct
 434                                                     fsl_i2c_platform_data));
 435                 if (ret)
 436                         goto unreg;
 437
 438                 of_register_i2c_devices(np, i++);
 439         }
 440
 441         return 0;
 442
 443 unreg:
 444         platform_device_unregister(i2c_dev);
 445 err:
 446         return ret;
 447 }
 448
 449 arch_initcall(fsl_i2c_of_init);
 450 #endif
 451
 452 #ifdef CONFIG_PPC_83xx
 453 static int __init mpc83xx_wdt_init(void)
 454 {
 455         struct resource r;
 456         struct device_node *soc, *np;
 457         struct platform_device *dev;
 458         const unsigned int *freq;
 459         int ret;
 460
 461         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 462
 463         if (!np) {
 464                 ret = -ENODEV;
 465                 goto nodev;
 466         }
 467
 468         soc = of_find_node_by_type(NULL, "soc");
 469
 470         if (!soc) {
 471                 ret = -ENODEV;
 472                 goto nosoc;
 473         }
 474
 475         freq = of_get_property(soc, "bus-frequency", NULL);
 476         if (!freq) {
 477                 ret = -ENODEV;
 478                 goto err;
 479         }
 480
 481         memset(&r, 0, sizeof(r));
 482
 483         ret = of_address_to_resource(np, 0, &r);
 484         if (ret)
 485                 goto err;
 486
 487         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 488         if (IS_ERR(dev)) {
 489                 ret = PTR_ERR(dev);
 490                 goto err;
 491         }
 492
 493         ret = platform_device_add_data(dev, freq, sizeof(int));
 494         if (ret)
 495                 goto unreg;
 496
 497         of_node_put(soc);
 498         of_node_put(np);
 499
 500         return 0;
 501
 502 unreg:
 503         platform_device_unregister(dev);
 504 err:
 505         of_node_put(soc);
 506 nosoc:
 507         of_node_put(np);
 508 nodev:
 509         return ret;
 510 }
 511
 512 arch_initcall(mpc83xx_wdt_init);
 513 #endif
 514
 515 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 516 {
 517         if (!phy_type)
 518                 return FSL_USB2_PHY_NONE;
 519         if (!strcasecmp(phy_type, "ulpi"))
 520                 return FSL_USB2_PHY_ULPI;
 521         if (!strcasecmp(phy_type, "utmi"))
 522                 return FSL_USB2_PHY_UTMI;
 523         if (!strcasecmp(phy_type, "utmi_wide"))
 524                 return FSL_USB2_PHY_UTMI_WIDE;
 525         if (!strcasecmp(phy_type, "serial"))
 526                 return FSL_USB2_PHY_SERIAL;
 527
 528         return FSL_USB2_PHY_NONE;
 529 }
 530
 531 static int __init fsl_usb_of_init(void)
 532 {
 533         struct device_node *np;
 534         unsigned int i = 0;
 535         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
 536                 *usb_dev_dr_client = NULL;
 537         int ret;
 538
 539         for_each_compatible_node(np, NULL, "fsl-usb2-mph") {
 540                 struct resource r[2];
 541                 struct fsl_usb2_platform_data usb_data;
 542                 const unsigned char *prop = NULL;
 543
 544                 memset(&r, 0, sizeof(r));
 545                 memset(&usb_data, 0, sizeof(usb_data));
 546
 547                 ret = of_address_to_resource(np, 0, &r[0]);
 548                 if (ret)
 549                         goto err;
 550
 551                 of_irq_to_resource(np, 0, &r[1]);
 552
 553                 usb_dev_mph =
 554                     platform_device_register_simple("fsl-ehci", i, r, 2);
 555                 if (IS_ERR(usb_dev_mph)) {
 556                         ret = PTR_ERR(usb_dev_mph);
 557                         goto err;
 558                 }
 559
 560                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 561                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
 562
 563                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
 564
 565                 prop = of_get_property(np, "port0", NULL);
 566                 if (prop)
 567                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
 568
 569                 prop = of_get_property(np, "port1", NULL);
 570                 if (prop)
 571                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
 572
 573                 prop = of_get_property(np, "phy_type", NULL);
 574                 usb_data.phy_mode = determine_usb_phy(prop);
 575
 576                 ret =
 577                     platform_device_add_data(usb_dev_mph, &usb_data,
 578                                              sizeof(struct
 579                                                     fsl_usb2_platform_data));
 580                 if (ret)
 581                         goto unreg_mph;
 582                 i++;
 583         }
 584
 585         for_each_compatible_node(np, NULL, "fsl-usb2-dr") {
 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                 i++;
 658         }
 659         return 0;
 660
 661 unreg_dr:
 662         if (usb_dev_dr_host)
 663                 platform_device_unregister(usb_dev_dr_host);
 664         if (usb_dev_dr_client)
 665                 platform_device_unregister(usb_dev_dr_client);
 666 unreg_mph:
 667         if (usb_dev_mph)
 668                 platform_device_unregister(usb_dev_mph);
 669 err:
 670         return ret;
 671 }
 672
 673 arch_initcall(fsl_usb_of_init);
 674
 675 #ifndef CONFIG_PPC_CPM_NEW_BINDING
 676 #ifdef CONFIG_CPM2
 677
 678 extern void init_scc_ioports(struct fs_uart_platform_info*);
 679
 680 static const char fcc_regs[] = "fcc_regs";
 681 static const char fcc_regs_c[] = "fcc_regs_c";
 682 static const char fcc_pram[] = "fcc_pram";
 683 static char bus_id[9][BUS_ID_SIZE];
 684
 685 static int __init fs_enet_of_init(void)
 686 {
 687         struct device_node *np;
 688         unsigned int i;
 689         struct platform_device *fs_enet_dev;
 690         struct resource res;
 691         int ret;
 692
 693         for (np = NULL, i = 0;
 694              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 695              i++) {
 696                 struct resource r[4];
 697                 struct device_node *phy, *mdio;
 698                 struct fs_platform_info fs_enet_data;
 699                 const unsigned int *id, *phy_addr, *phy_irq;
 700                 const void *mac_addr;
 701                 const phandle *ph;
 702                 const char *model;
 703
 704                 memset(r, 0, sizeof(r));
 705                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 706
 707                 ret = of_address_to_resource(np, 0, &r[0]);
 708                 if (ret)
 709                         goto err;
 710                 r[0].name = fcc_regs;
 711
 712                 ret = of_address_to_resource(np, 1, &r[1]);
 713                 if (ret)
 714                         goto err;
 715                 r[1].name = fcc_pram;
 716
 717                 ret = of_address_to_resource(np, 2, &r[2]);
 718                 if (ret)
 719                         goto err;
 720                 r[2].name = fcc_regs_c;
 721                 fs_enet_data.fcc_regs_c = r[2].start;
 722
 723                 of_irq_to_resource(np, 0, &r[3]);
 724
 725                 fs_enet_dev =
 726                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
 727
 728                 if (IS_ERR(fs_enet_dev)) {
 729                         ret = PTR_ERR(fs_enet_dev);
 730                         goto err;
 731                 }
 732
 733                 model = of_get_property(np, "model", NULL);
 734                 if (model == NULL) {
 735                         ret = -ENODEV;
 736                         goto unreg;
 737                 }
 738
 739                 mac_addr = of_get_mac_address(np);
 740                 if (mac_addr)
 741                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
 742
 743                 ph = of_get_property(np, "phy-handle", NULL);
 744                 phy = of_find_node_by_phandle(*ph);
 745
 746                 if (phy == NULL) {
 747                         ret = -ENODEV;
 748                         goto unreg;
 749                 }
 750
 751                 phy_addr = of_get_property(phy, "reg", NULL);
 752                 fs_enet_data.phy_addr = *phy_addr;
 753
 754                 phy_irq = of_get_property(phy, "interrupts", NULL);
 755
 756                 id = of_get_property(np, "device-id", NULL);
 757                 fs_enet_data.fs_no = *id;
 758                 strcpy(fs_enet_data.fs_type, model);
 759
 760                 mdio = of_get_parent(phy);
 761                 ret = of_address_to_resource(mdio, 0, &res);
 762                 if (ret) {
 763                         of_node_put(phy);
 764                         of_node_put(mdio);
 765                         goto unreg;
 766                 }
 767
 768                 fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
 769                                                 "rx-clock", NULL));
 770                 fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
 771                                                 "tx-clock", NULL));
 772
 773                 if (strstr(model, "FCC")) {
 774                         int fcc_index = *id - 1;
 775                         const unsigned char *mdio_bb_prop;
 776
 777                         fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
 778                         fs_enet_data.rx_ring = 32;
 779                         fs_enet_data.tx_ring = 32;
 780                         fs_enet_data.rx_copybreak = 240;
 781                         fs_enet_data.use_napi = 0;
 782                         fs_enet_data.napi_weight = 17;
 783                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
 784                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
 785                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
 786
 787                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
 788                                                         (u32)res.start, fs_enet_data.phy_addr);
 789                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
 790                         fs_enet_data.init_ioports = init_fcc_ioports;
 791
 792                         mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
 793                         if (mdio_bb_prop) {
 794                                 struct platform_device *fs_enet_mdio_bb_dev;
 795                                 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
 796
 797                                 fs_enet_mdio_bb_dev =
 798                                         platform_device_register_simple("fsl-bb-mdio",
 799                                                         i, NULL, 0);
 800                                 memset(&fs_enet_mdio_bb_data, 0,
 801                                                 sizeof(struct fs_mii_bb_platform_info));
 802                                 fs_enet_mdio_bb_data.mdio_dat.bit =
 803                                         mdio_bb_prop[0];
 804                                 fs_enet_mdio_bb_data.mdio_dir.bit =
 805                                         mdio_bb_prop[1];
 806                                 fs_enet_mdio_bb_data.mdc_dat.bit =
 807                                         mdio_bb_prop[2];
 808                                 fs_enet_mdio_bb_data.mdio_port =
 809                                         mdio_bb_prop[3];
 810                                 fs_enet_mdio_bb_data.mdc_port =
 811                                         mdio_bb_prop[4];
 812                                 fs_enet_mdio_bb_data.delay =
 813                                         mdio_bb_prop[5];
 814
 815                                 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
 816                                 fs_enet_mdio_bb_data.irq[1] = -1;
 817                                 fs_enet_mdio_bb_data.irq[2] = -1;
 818                                 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
 819                                 fs_enet_mdio_bb_data.irq[31] = -1;
 820
 821                                 fs_enet_mdio_bb_data.mdio_dat.offset =
 822                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 823                                 fs_enet_mdio_bb_data.mdio_dir.offset =
 824                                         (u32)&cpm2_immr->im_ioport.iop_pdirc;
 825                                 fs_enet_mdio_bb_data.mdc_dat.offset =
 826                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 827
 828                                 ret = platform_device_add_data(
 829                                                 fs_enet_mdio_bb_dev,
 830                                                 &fs_enet_mdio_bb_data,
 831                                                 sizeof(struct fs_mii_bb_platform_info));
 832                                 if (ret)
 833                                         goto unreg;
 834                         }
 835
 836                         of_node_put(phy);
 837                         of_node_put(mdio);
 838
 839                         ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
 840                                                      sizeof(struct
 841                                                             fs_platform_info));
 842                         if (ret)
 843                                 goto unreg;
 844                 }
 845         }
 846         return 0;
 847
 848 unreg:
 849         platform_device_unregister(fs_enet_dev);
 850 err:
 851         return ret;
 852 }
 853
 854 arch_initcall(fs_enet_of_init);
 855
 856 static const char scc_regs[] = "regs";
 857 static const char scc_pram[] = "pram";
 858
 859 static int __init cpm_uart_of_init(void)
 860 {
 861         struct device_node *np;
 862         unsigned int i;
 863         struct platform_device *cpm_uart_dev;
 864         int ret;
 865
 866         for (np = NULL, i = 0;
 867              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
 868              i++) {
 869                 struct resource r[3];
 870                 struct fs_uart_platform_info cpm_uart_data;
 871                 const int *id;
 872                 const char *model;
 873
 874                 memset(r, 0, sizeof(r));
 875                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
 876
 877                 ret = of_address_to_resource(np, 0, &r[0]);
 878                 if (ret)
 879                         goto err;
 880
 881                 r[0].name = scc_regs;
 882
 883                 ret = of_address_to_resource(np, 1, &r[1]);
 884                 if (ret)
 885                         goto err;
 886                 r[1].name = scc_pram;
 887
 888                 of_irq_to_resource(np, 0, &r[2]);
 889
 890                 cpm_uart_dev =
 891                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
 892
 893                 if (IS_ERR(cpm_uart_dev)) {
 894                         ret = PTR_ERR(cpm_uart_dev);
 895                         goto err;
 896                 }
 897
 898                 id = of_get_property(np, "device-id", NULL);
 899                 cpm_uart_data.fs_no = *id;
 900
 901                 model = of_get_property(np, "model", NULL);
 902                 strcpy(cpm_uart_data.fs_type, model);
 903
 904                 cpm_uart_data.uart_clk = ppc_proc_freq;
 905
 906                 cpm_uart_data.tx_num_fifo = 4;
 907                 cpm_uart_data.tx_buf_size = 32;
 908                 cpm_uart_data.rx_num_fifo = 4;
 909                 cpm_uart_data.rx_buf_size = 32;
 910                 cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
 911                                                 "rx-clock", NULL));
 912                 cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
 913                                                 "tx-clock", NULL));
 914
 915                 ret =
 916                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
 917                                              sizeof(struct
 918                                                     fs_uart_platform_info));
 919                 if (ret)
 920                         goto unreg;
 921         }
 922
 923         return 0;
 924
 925 unreg:
 926         platform_device_unregister(cpm_uart_dev);
 927 err:
 928         return ret;
 929 }
 930
 931 arch_initcall(cpm_uart_of_init);
 932 #endif /* CONFIG_CPM2 */
 933
 934 #ifdef CONFIG_8xx
 935
 936 extern void init_scc_ioports(struct fs_platform_info*);
 937 extern int platform_device_skip(const char *model, int id);
 938
 939 static int __init fs_enet_mdio_of_init(void)
 940 {
 941         struct device_node *np;
 942         unsigned int i;
 943         struct platform_device *mdio_dev;
 944         struct resource res;
 945         int ret;
 946
 947         for (np = NULL, i = 0;
 948              (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
 949              i++) {
 950                 struct fs_mii_fec_platform_info mdio_data;
 951
 952                 memset(&res, 0, sizeof(res));
 953                 memset(&mdio_data, 0, sizeof(mdio_data));
 954
 955                 ret = of_address_to_resource(np, 0, &res);
 956                 if (ret)
 957                         goto err;
 958
 959                 mdio_dev =
 960                     platform_device_register_simple("fsl-cpm-fec-mdio",
 961                                                     res.start, &res, 1);
 962                 if (IS_ERR(mdio_dev)) {
 963                         ret = PTR_ERR(mdio_dev);
 964                         goto err;
 965                 }
 966
 967                 mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
 968
 969                 ret =
 970                     platform_device_add_data(mdio_dev, &mdio_data,
 971                                              sizeof(struct fs_mii_fec_platform_info));
 972                 if (ret)
 973                         goto unreg;
 974         }
 975         return 0;
 976
 977 unreg:
 978         platform_device_unregister(mdio_dev);
 979 err:
 980         return ret;
 981 }
 982
 983 arch_initcall(fs_enet_mdio_of_init);
 984
 985 static const char *enet_regs = "regs";
 986 static const char *enet_pram = "pram";
 987 static const char *enet_irq = "interrupt";
 988 static char bus_id[9][BUS_ID_SIZE];
 989
 990 static int __init fs_enet_of_init(void)
 991 {
 992         struct device_node *np;
 993         unsigned int i;
 994         struct platform_device *fs_enet_dev = NULL;
 995         struct resource res;
 996         int ret;
 997
 998         for (np = NULL, i = 0;
 999              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
1000              i++) {
1001                 struct resource r[4];
1002                 struct device_node *phy = NULL, *mdio = NULL;
1003                 struct fs_platform_info fs_enet_data;
1004                 const unsigned int *id;
1005                 const unsigned int *phy_addr;
1006                 const void *mac_addr;
1007                 const phandle *ph;
1008                 const char *model;
1009
1010                 memset(r, 0, sizeof(r));
1011                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
1012
1013                 model = of_get_property(np, "model", NULL);
1014                 if (model == NULL) {
1015                         ret = -ENODEV;
1016                         goto unreg;
1017                 }
1018
1019                 id = of_get_property(np, "device-id", NULL);
1020                 fs_enet_data.fs_no = *id;
1021
1022                 if (platform_device_skip(model, *id))
1023                         continue;
1024
1025                 ret = of_address_to_resource(np, 0, &r[0]);
1026                 if (ret)
1027                         goto err;
1028                 r[0].name = enet_regs;
1029
1030                 mac_addr = of_get_mac_address(np);
1031                 if (mac_addr)
1032                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
1033
1034                 ph = of_get_property(np, "phy-handle", NULL);
1035                 if (ph != NULL)
1036                         phy = of_find_node_by_phandle(*ph);
1037
1038                 if (phy != NULL) {
1039                         phy_addr = of_get_property(phy, "reg", NULL);
1040                         fs_enet_data.phy_addr = *phy_addr;
1041                         fs_enet_data.has_phy = 1;
1042
1043                         mdio = of_get_parent(phy);
1044                         ret = of_address_to_resource(mdio, 0, &res);
1045                         if (ret) {
1046                                 of_node_put(phy);
1047                                 of_node_put(mdio);
1048                                 goto unreg;
1049                         }
1050                 }
1051
1052                 model = of_get_property(np, "model", NULL);
1053                 strcpy(fs_enet_data.fs_type, model);
1054
1055                 if (strstr(model, "FEC")) {
1056                         r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
1057                         r[1].flags = IORESOURCE_IRQ;
1058                         r[1].name = enet_irq;
1059
1060                         fs_enet_dev =
1061                                     platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
1062
1063                         if (IS_ERR(fs_enet_dev)) {
1064                                 ret = PTR_ERR(fs_enet_dev);
1065                                 goto err;
1066                         }
1067
1068                         fs_enet_data.rx_ring = 128;
1069                         fs_enet_data.tx_ring = 16;
1070                         fs_enet_data.rx_copybreak = 240;
1071                         fs_enet_data.use_napi = 1;
1072                         fs_enet_data.napi_weight = 17;
1073
1074                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
1075                                                         (u32)res.start, fs_enet_data.phy_addr);
1076                         fs_enet_data.bus_id = (char*)&bus_id[i];
1077                         fs_enet_data.init_ioports = init_fec_ioports;
1078                 }
1079                 if (strstr(model, "SCC")) {
1080                         ret = of_address_to_resource(np, 1, &r[1]);
1081                         if (ret)
1082                                 goto err;
1083                         r[1].name = enet_pram;
1084
1085                         r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1086                         r[2].flags = IORESOURCE_IRQ;
1087                         r[2].name = enet_irq;
1088
1089                         fs_enet_dev =
1090                                     platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
1091
1092                         if (IS_ERR(fs_enet_dev)) {
1093                                 ret = PTR_ERR(fs_enet_dev);
1094                                 goto err;
1095                         }
1096
1097                         fs_enet_data.rx_ring = 64;
1098                         fs_enet_data.tx_ring = 8;
1099                         fs_enet_data.rx_copybreak = 240;
1100                         fs_enet_data.use_napi = 1;
1101                         fs_enet_data.napi_weight = 17;
1102
1103                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
1104                         fs_enet_data.bus_id = (char*)&bus_id[i];
1105                         fs_enet_data.init_ioports = init_scc_ioports;
1106                 }
1107
1108                 of_node_put(phy);
1109                 of_node_put(mdio);
1110
1111                 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
1112                                              sizeof(struct
1113                                                     fs_platform_info));
1114                 if (ret)
1115                         goto unreg;
1116         }
1117         return 0;
1118
1119 unreg:
1120         platform_device_unregister(fs_enet_dev);
1121 err:
1122         return ret;
1123 }
1124
1125 arch_initcall(fs_enet_of_init);
1126
1127 static int __init fsl_pcmcia_of_init(void)
1128 {
1129         struct device_node *np;
1130         /*
1131          * Register all the devices which type is "pcmcia"
1132          */
1133         for_each_compatible_node(np, "pcmcia", "fsl,pq-pcmcia")
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