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
  77         if (brgfreq != -1)
  78                 return brgfreq;
  79
  80         node = of_find_compatible_node(NULL, NULL, "fsl,cpm1");
  81         if (!node)
  82                 node = of_find_compatible_node(NULL, NULL, "fsl,cpm2");
  83         if (!node)
  84                 node = of_find_node_by_type(NULL, "cpm");
  85         if (node) {
  86                 int size;
  87                 const unsigned int *prop;
  88
  89                 prop = of_get_property(node, "fsl,brg-frequency", &size);
  90                 if (!prop)
  91                         prop = of_get_property(node, "brg-frequency", &size);
  92                 if (prop && size == 4)
  93                         brgfreq = *prop;
  94
  95                 of_node_put(node);
  96         }
  97
  98         return brgfreq;
  99 }
 100
 101 EXPORT_SYMBOL(get_brgfreq);
 102
 103 static u32 fs_baudrate = -1;
 104
 105 u32 get_baudrate(void)
 106 {
 107         struct device_node *node;
 108
 109         if (fs_baudrate != -1)
 110                 return fs_baudrate;
 111
 112         node = of_find_node_by_type(NULL, "serial");
 113         if (node) {
 114                 int size;
 115                 const unsigned int *prop = of_get_property(node,
 116                                 "current-speed", &size);
 117
 118                 if (prop)
 119                         fs_baudrate = *prop;
 120                 of_node_put(node);
 121         }
 122
 123         return fs_baudrate;
 124 }
 125
 126 EXPORT_SYMBOL(get_baudrate);
 127 #endif /* CONFIG_CPM2 */
 128
 129 static int __init gfar_mdio_of_init(void)
 130 {
 131         struct device_node *np;
 132         unsigned int i;
 133         struct platform_device *mdio_dev;
 134         struct resource res;
 135         int ret;
 136
 137         for (np = NULL, i = 0;
 138              (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
 139              i++) {
 140                 int k;
 141                 struct device_node *child = NULL;
 142                 struct gianfar_mdio_data mdio_data;
 143
 144                 memset(&res, 0, sizeof(res));
 145                 memset(&mdio_data, 0, sizeof(mdio_data));
 146
 147                 ret = of_address_to_resource(np, 0, &res);
 148                 if (ret)
 149                         goto err;
 150
 151                 mdio_dev =
 152                     platform_device_register_simple("fsl-gianfar_mdio",
 153                                                     res.start, &res, 1);
 154                 if (IS_ERR(mdio_dev)) {
 155                         ret = PTR_ERR(mdio_dev);
 156                         goto err;
 157                 }
 158
 159                 for (k = 0; k < 32; k++)
 160                         mdio_data.irq[k] = PHY_POLL;
 161
 162                 while ((child = of_get_next_child(np, child)) != NULL) {
 163                         int irq = irq_of_parse_and_map(child, 0);
 164                         if (irq != NO_IRQ) {
 165                                 const u32 *id = of_get_property(child,
 166                                                         "reg", NULL);
 167                                 mdio_data.irq[*id] = irq;
 168                         }
 169                 }
 170
 171                 ret =
 172                     platform_device_add_data(mdio_dev, &mdio_data,
 173                                              sizeof(struct gianfar_mdio_data));
 174                 if (ret)
 175                         goto unreg;
 176         }
 177
 178         return 0;
 179
 180 unreg:
 181         platform_device_unregister(mdio_dev);
 182 err:
 183         return ret;
 184 }
 185
 186 arch_initcall(gfar_mdio_of_init);
 187
 188 static const char *gfar_tx_intr = "tx";
 189 static const char *gfar_rx_intr = "rx";
 190 static const char *gfar_err_intr = "error";
 191
 192
 193 static int __init gfar_of_init(void)
 194 {
 195         struct device_node *np;
 196         unsigned int i;
 197         struct platform_device *gfar_dev;
 198         struct resource res;
 199         int ret;
 200
 201         for (np = NULL, i = 0;
 202              (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
 203              i++) {
 204                 struct resource r[4];
 205                 struct device_node *phy, *mdio;
 206                 struct gianfar_platform_data gfar_data;
 207                 const unsigned int *id;
 208                 const char *model;
 209                 const char *ctype;
 210                 const void *mac_addr;
 211                 const phandle *ph;
 212                 int n_res = 2;
 213
 214                 memset(r, 0, sizeof(r));
 215                 memset(&gfar_data, 0, sizeof(gfar_data));
 216
 217                 ret = of_address_to_resource(np, 0, &r[0]);
 218                 if (ret)
 219                         goto err;
 220
 221                 of_irq_to_resource(np, 0, &r[1]);
 222
 223                 model = of_get_property(np, "model", NULL);
 224
 225                 /* If we aren't the FEC we have multiple interrupts */
 226                 if (model && strcasecmp(model, "FEC")) {
 227                         r[1].name = gfar_tx_intr;
 228
 229                         r[2].name = gfar_rx_intr;
 230                         of_irq_to_resource(np, 1, &r[2]);
 231
 232                         r[3].name = gfar_err_intr;
 233                         of_irq_to_resource(np, 2, &r[3]);
 234
 235                         n_res += 2;
 236                 }
 237
 238                 gfar_dev =
 239                     platform_device_register_simple("fsl-gianfar", i, &r[0],
 240                                                     n_res);
 241
 242                 if (IS_ERR(gfar_dev)) {
 243                         ret = PTR_ERR(gfar_dev);
 244                         goto err;
 245                 }
 246
 247                 mac_addr = of_get_mac_address(np);
 248                 if (mac_addr)
 249                         memcpy(gfar_data.mac_addr, mac_addr, 6);
 250
 251                 if (model && !strcasecmp(model, "TSEC"))
 252                         gfar_data.device_flags =
 253                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 254                             FSL_GIANFAR_DEV_HAS_COALESCE |
 255                             FSL_GIANFAR_DEV_HAS_RMON |
 256                             FSL_GIANFAR_DEV_HAS_MULTI_INTR;
 257                 if (model && !strcasecmp(model, "eTSEC"))
 258                         gfar_data.device_flags =
 259                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 260                             FSL_GIANFAR_DEV_HAS_COALESCE |
 261                             FSL_GIANFAR_DEV_HAS_RMON |
 262                             FSL_GIANFAR_DEV_HAS_MULTI_INTR |
 263                             FSL_GIANFAR_DEV_HAS_CSUM |
 264                             FSL_GIANFAR_DEV_HAS_VLAN |
 265                             FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
 266
 267                 ctype = of_get_property(np, "phy-connection-type", NULL);
 268
 269                 /* We only care about rgmii-id.  The rest are autodetected */
 270                 if (ctype && !strcmp(ctype, "rgmii-id"))
 271                         gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID;
 272                 else
 273                         gfar_data.interface = PHY_INTERFACE_MODE_MII;
 274
 275                 ph = of_get_property(np, "phy-handle", NULL);
 276                 phy = of_find_node_by_phandle(*ph);
 277
 278                 if (phy == NULL) {
 279                         ret = -ENODEV;
 280                         goto unreg;
 281                 }
 282
 283                 mdio = of_get_parent(phy);
 284
 285                 id = of_get_property(phy, "reg", NULL);
 286                 ret = of_address_to_resource(mdio, 0, &res);
 287                 if (ret) {
 288                         of_node_put(phy);
 289                         of_node_put(mdio);
 290                         goto unreg;
 291                 }
 292
 293                 gfar_data.phy_id = *id;
 294                 gfar_data.bus_id = res.start;
 295
 296                 of_node_put(phy);
 297                 of_node_put(mdio);
 298
 299                 ret =
 300                     platform_device_add_data(gfar_dev, &gfar_data,
 301                                              sizeof(struct
 302                                                     gianfar_platform_data));
 303                 if (ret)
 304                         goto unreg;
 305         }
 306
 307         return 0;
 308
 309 unreg:
 310         platform_device_unregister(gfar_dev);
 311 err:
 312         return ret;
 313 }
 314
 315 arch_initcall(gfar_of_init);
 316
 317 #ifdef CONFIG_I2C_BOARDINFO
 318 #include <linux/i2c.h>
 319 struct i2c_driver_device {
 320         char    *of_device;
 321         char    *i2c_driver;
 322         char    *i2c_type;
 323 };
 324
 325 static struct i2c_driver_device i2c_devices[] __initdata = {
 326         {"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",},
 327         {"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",},
 328         {"ricoh,rv5c386",  "rtc-rs5c372", "rv5c386",},
 329         {"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
 330 };
 331
 332 static int __init of_find_i2c_driver(struct device_node *node,
 333                                      struct i2c_board_info *info)
 334 {
 335         int i;
 336
 337         for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
 338                 if (!of_device_is_compatible(node, i2c_devices[i].of_device))
 339                         continue;
 340                 if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
 341                             KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
 342                     strlcpy(info->type, i2c_devices[i].i2c_type,
 343                             I2C_NAME_SIZE) >= I2C_NAME_SIZE)
 344                         return -ENOMEM;
 345                 return 0;
 346         }
 347         return -ENODEV;
 348 }
 349
 350 static void __init of_register_i2c_devices(struct device_node *adap_node,
 351                                            int bus_num)
 352 {
 353         struct device_node *node = NULL;
 354
 355         while ((node = of_get_next_child(adap_node, node))) {
 356                 struct i2c_board_info info;
 357                 const u32 *addr;
 358                 int len;
 359
 360                 addr = of_get_property(node, "reg", &len);
 361                 if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
 362                         printk(KERN_WARNING "fsl_ioc.c: invalid i2c device entry\n");
 363                         continue;
 364                 }
 365
 366                 info.irq = irq_of_parse_and_map(node, 0);
 367                 if (info.irq == NO_IRQ)
 368                         info.irq = -1;
 369
 370                 if (of_find_i2c_driver(node, &info) < 0)
 371                         continue;
 372
 373                 info.platform_data = NULL;
 374                 info.addr = *addr;
 375
 376                 i2c_register_board_info(bus_num, &info, 1);
 377         }
 378 }
 379
 380 static int __init fsl_i2c_of_init(void)
 381 {
 382         struct device_node *np;
 383         unsigned int i;
 384         struct platform_device *i2c_dev;
 385         int ret;
 386
 387         for (np = NULL, i = 0;
 388              (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
 389              i++) {
 390                 struct resource r[2];
 391                 struct fsl_i2c_platform_data i2c_data;
 392                 const unsigned char *flags = NULL;
 393
 394                 memset(&r, 0, sizeof(r));
 395                 memset(&i2c_data, 0, sizeof(i2c_data));
 396
 397                 ret = of_address_to_resource(np, 0, &r[0]);
 398                 if (ret)
 399                         goto err;
 400
 401                 of_irq_to_resource(np, 0, &r[1]);
 402
 403                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 404                 if (IS_ERR(i2c_dev)) {
 405                         ret = PTR_ERR(i2c_dev);
 406                         goto err;
 407                 }
 408
 409                 i2c_data.device_flags = 0;
 410                 flags = of_get_property(np, "dfsrr", NULL);
 411                 if (flags)
 412                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 413
 414                 flags = of_get_property(np, "fsl5200-clocking", NULL);
 415                 if (flags)
 416                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
 417
 418                 ret =
 419                     platform_device_add_data(i2c_dev, &i2c_data,
 420                                              sizeof(struct
 421                                                     fsl_i2c_platform_data));
 422                 if (ret)
 423                         goto unreg;
 424
 425                 of_register_i2c_devices(np, i);
 426         }
 427
 428         return 0;
 429
 430 unreg:
 431         platform_device_unregister(i2c_dev);
 432 err:
 433         return ret;
 434 }
 435
 436 arch_initcall(fsl_i2c_of_init);
 437 #endif
 438
 439 #ifdef CONFIG_PPC_83xx
 440 static int __init mpc83xx_wdt_init(void)
 441 {
 442         struct resource r;
 443         struct device_node *soc, *np;
 444         struct platform_device *dev;
 445         const unsigned int *freq;
 446         int ret;
 447
 448         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 449
 450         if (!np) {
 451                 ret = -ENODEV;
 452                 goto nodev;
 453         }
 454
 455         soc = of_find_node_by_type(NULL, "soc");
 456
 457         if (!soc) {
 458                 ret = -ENODEV;
 459                 goto nosoc;
 460         }
 461
 462         freq = of_get_property(soc, "bus-frequency", NULL);
 463         if (!freq) {
 464                 ret = -ENODEV;
 465                 goto err;
 466         }
 467
 468         memset(&r, 0, sizeof(r));
 469
 470         ret = of_address_to_resource(np, 0, &r);
 471         if (ret)
 472                 goto err;
 473
 474         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 475         if (IS_ERR(dev)) {
 476                 ret = PTR_ERR(dev);
 477                 goto err;
 478         }
 479
 480         ret = platform_device_add_data(dev, freq, sizeof(int));
 481         if (ret)
 482                 goto unreg;
 483
 484         of_node_put(soc);
 485         of_node_put(np);
 486
 487         return 0;
 488
 489 unreg:
 490         platform_device_unregister(dev);
 491 err:
 492         of_node_put(soc);
 493 nosoc:
 494         of_node_put(np);
 495 nodev:
 496         return ret;
 497 }
 498
 499 arch_initcall(mpc83xx_wdt_init);
 500 #endif
 501
 502 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 503 {
 504         if (!phy_type)
 505                 return FSL_USB2_PHY_NONE;
 506         if (!strcasecmp(phy_type, "ulpi"))
 507                 return FSL_USB2_PHY_ULPI;
 508         if (!strcasecmp(phy_type, "utmi"))
 509                 return FSL_USB2_PHY_UTMI;
 510         if (!strcasecmp(phy_type, "utmi_wide"))
 511                 return FSL_USB2_PHY_UTMI_WIDE;
 512         if (!strcasecmp(phy_type, "serial"))
 513                 return FSL_USB2_PHY_SERIAL;
 514
 515         return FSL_USB2_PHY_NONE;
 516 }
 517
 518 static int __init fsl_usb_of_init(void)
 519 {
 520         struct device_node *np;
 521         unsigned int i;
 522         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
 523                 *usb_dev_dr_client = NULL;
 524         int ret;
 525
 526         for (np = NULL, i = 0;
 527              (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
 528              i++) {
 529                 struct resource r[2];
 530                 struct fsl_usb2_platform_data usb_data;
 531                 const unsigned char *prop = NULL;
 532
 533                 memset(&r, 0, sizeof(r));
 534                 memset(&usb_data, 0, sizeof(usb_data));
 535
 536                 ret = of_address_to_resource(np, 0, &r[0]);
 537                 if (ret)
 538                         goto err;
 539
 540                 of_irq_to_resource(np, 0, &r[1]);
 541
 542                 usb_dev_mph =
 543                     platform_device_register_simple("fsl-ehci", i, r, 2);
 544                 if (IS_ERR(usb_dev_mph)) {
 545                         ret = PTR_ERR(usb_dev_mph);
 546                         goto err;
 547                 }
 548
 549                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 550                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
 551
 552                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
 553
 554                 prop = of_get_property(np, "port0", NULL);
 555                 if (prop)
 556                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
 557
 558                 prop = of_get_property(np, "port1", NULL);
 559                 if (prop)
 560                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
 561
 562                 prop = of_get_property(np, "phy_type", NULL);
 563                 usb_data.phy_mode = determine_usb_phy(prop);
 564
 565                 ret =
 566                     platform_device_add_data(usb_dev_mph, &usb_data,
 567                                              sizeof(struct
 568                                                     fsl_usb2_platform_data));
 569                 if (ret)
 570                         goto unreg_mph;
 571         }
 572
 573         for (np = NULL;
 574              (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
 575              i++) {
 576                 struct resource r[2];
 577                 struct fsl_usb2_platform_data usb_data;
 578                 const unsigned char *prop = NULL;
 579
 580                 memset(&r, 0, sizeof(r));
 581                 memset(&usb_data, 0, sizeof(usb_data));
 582
 583                 ret = of_address_to_resource(np, 0, &r[0]);
 584                 if (ret)
 585                         goto unreg_mph;
 586
 587                 of_irq_to_resource(np, 0, &r[1]);
 588
 589                 prop = of_get_property(np, "dr_mode", NULL);
 590
 591                 if (!prop || !strcmp(prop, "host")) {
 592                         usb_data.operating_mode = FSL_USB2_DR_HOST;
 593                         usb_dev_dr_host = platform_device_register_simple(
 594                                         "fsl-ehci", i, r, 2);
 595                         if (IS_ERR(usb_dev_dr_host)) {
 596                                 ret = PTR_ERR(usb_dev_dr_host);
 597                                 goto err;
 598                         }
 599                 } else if (prop && !strcmp(prop, "peripheral")) {
 600                         usb_data.operating_mode = FSL_USB2_DR_DEVICE;
 601                         usb_dev_dr_client = platform_device_register_simple(
 602                                         "fsl-usb2-udc", i, r, 2);
 603                         if (IS_ERR(usb_dev_dr_client)) {
 604                                 ret = PTR_ERR(usb_dev_dr_client);
 605                                 goto err;
 606                         }
 607                 } else if (prop && !strcmp(prop, "otg")) {
 608                         usb_data.operating_mode = FSL_USB2_DR_OTG;
 609                         usb_dev_dr_host = platform_device_register_simple(
 610                                         "fsl-ehci", i, r, 2);
 611                         if (IS_ERR(usb_dev_dr_host)) {
 612                                 ret = PTR_ERR(usb_dev_dr_host);
 613                                 goto err;
 614                         }
 615                         usb_dev_dr_client = platform_device_register_simple(
 616                                         "fsl-usb2-udc", i, r, 2);
 617                         if (IS_ERR(usb_dev_dr_client)) {
 618                                 ret = PTR_ERR(usb_dev_dr_client);
 619                                 goto err;
 620                         }
 621                 } else {
 622                         ret = -EINVAL;
 623                         goto err;
 624                 }
 625
 626                 prop = of_get_property(np, "phy_type", NULL);
 627                 usb_data.phy_mode = determine_usb_phy(prop);
 628
 629                 if (usb_dev_dr_host) {
 630                         usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
 631                         usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
 632                                 dev.coherent_dma_mask;
 633                         if ((ret = platform_device_add_data(usb_dev_dr_host,
 634                                                 &usb_data, sizeof(struct
 635                                                 fsl_usb2_platform_data))))
 636                                 goto unreg_dr;
 637                 }
 638                 if (usb_dev_dr_client) {
 639                         usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
 640                         usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
 641                                 dev.coherent_dma_mask;
 642                         if ((ret = platform_device_add_data(usb_dev_dr_client,
 643                                                 &usb_data, sizeof(struct
 644                                                 fsl_usb2_platform_data))))
 645                                 goto unreg_dr;
 646                 }
 647         }
 648         return 0;
 649
 650 unreg_dr:
 651         if (usb_dev_dr_host)
 652                 platform_device_unregister(usb_dev_dr_host);
 653         if (usb_dev_dr_client)
 654                 platform_device_unregister(usb_dev_dr_client);
 655 unreg_mph:
 656         if (usb_dev_mph)
 657                 platform_device_unregister(usb_dev_mph);
 658 err:
 659         return ret;
 660 }
 661
 662 arch_initcall(fsl_usb_of_init);
 663
 664 #ifdef CONFIG_CPM2
 665
 666 extern void init_scc_ioports(struct fs_uart_platform_info*);
 667
 668 static const char fcc_regs[] = "fcc_regs";
 669 static const char fcc_regs_c[] = "fcc_regs_c";
 670 static const char fcc_pram[] = "fcc_pram";
 671 static char bus_id[9][BUS_ID_SIZE];
 672
 673 static int __init fs_enet_of_init(void)
 674 {
 675         struct device_node *np;
 676         unsigned int i;
 677         struct platform_device *fs_enet_dev;
 678         struct resource res;
 679         int ret;
 680
 681         for (np = NULL, i = 0;
 682              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 683              i++) {
 684                 struct resource r[4];
 685                 struct device_node *phy, *mdio;
 686                 struct fs_platform_info fs_enet_data;
 687                 const unsigned int *id, *phy_addr, *phy_irq;
 688                 const void *mac_addr;
 689                 const phandle *ph;
 690                 const char *model;
 691
 692                 memset(r, 0, sizeof(r));
 693                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 694
 695                 ret = of_address_to_resource(np, 0, &r[0]);
 696                 if (ret)
 697                         goto err;
 698                 r[0].name = fcc_regs;
 699
 700                 ret = of_address_to_resource(np, 1, &r[1]);
 701                 if (ret)
 702                         goto err;
 703                 r[1].name = fcc_pram;
 704
 705                 ret = of_address_to_resource(np, 2, &r[2]);
 706                 if (ret)
 707                         goto err;
 708                 r[2].name = fcc_regs_c;
 709                 fs_enet_data.fcc_regs_c = r[2].start;
 710
 711                 of_irq_to_resource(np, 0, &r[3]);
 712
 713                 fs_enet_dev =
 714                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
 715
 716                 if (IS_ERR(fs_enet_dev)) {
 717                         ret = PTR_ERR(fs_enet_dev);
 718                         goto err;
 719                 }
 720
 721                 model = of_get_property(np, "model", NULL);
 722                 if (model == NULL) {
 723                         ret = -ENODEV;
 724                         goto unreg;
 725                 }
 726
 727                 mac_addr = of_get_mac_address(np);
 728                 if (mac_addr)
 729                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
 730
 731                 ph = of_get_property(np, "phy-handle", NULL);
 732                 phy = of_find_node_by_phandle(*ph);
 733
 734                 if (phy == NULL) {
 735                         ret = -ENODEV;
 736                         goto unreg;
 737                 }
 738
 739                 phy_addr = of_get_property(phy, "reg", NULL);
 740                 fs_enet_data.phy_addr = *phy_addr;
 741
 742                 phy_irq = of_get_property(phy, "interrupts", NULL);
 743
 744                 id = of_get_property(np, "device-id", NULL);
 745                 fs_enet_data.fs_no = *id;
 746                 strcpy(fs_enet_data.fs_type, model);
 747
 748                 mdio = of_get_parent(phy);
 749                 ret = of_address_to_resource(mdio, 0, &res);
 750                 if (ret) {
 751                         of_node_put(phy);
 752                         of_node_put(mdio);
 753                         goto unreg;
 754                 }
 755
 756                 fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
 757                                                 "rx-clock", NULL));
 758                 fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
 759                                                 "tx-clock", NULL));
 760
 761                 if (strstr(model, "FCC")) {
 762                         int fcc_index = *id - 1;
 763                         const unsigned char *mdio_bb_prop;
 764
 765                         fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
 766                         fs_enet_data.rx_ring = 32;
 767                         fs_enet_data.tx_ring = 32;
 768                         fs_enet_data.rx_copybreak = 240;
 769                         fs_enet_data.use_napi = 0;
 770                         fs_enet_data.napi_weight = 17;
 771                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
 772                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
 773                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
 774
 775                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
 776                                                         (u32)res.start, fs_enet_data.phy_addr);
 777                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
 778                         fs_enet_data.init_ioports = init_fcc_ioports;
 779
 780                         mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
 781                         if (mdio_bb_prop) {
 782                                 struct platform_device *fs_enet_mdio_bb_dev;
 783                                 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
 784
 785                                 fs_enet_mdio_bb_dev =
 786                                         platform_device_register_simple("fsl-bb-mdio",
 787                                                         i, NULL, 0);
 788                                 memset(&fs_enet_mdio_bb_data, 0,
 789                                                 sizeof(struct fs_mii_bb_platform_info));
 790                                 fs_enet_mdio_bb_data.mdio_dat.bit =
 791                                         mdio_bb_prop[0];
 792                                 fs_enet_mdio_bb_data.mdio_dir.bit =
 793                                         mdio_bb_prop[1];
 794                                 fs_enet_mdio_bb_data.mdc_dat.bit =
 795                                         mdio_bb_prop[2];
 796                                 fs_enet_mdio_bb_data.mdio_port =
 797                                         mdio_bb_prop[3];
 798                                 fs_enet_mdio_bb_data.mdc_port =
 799                                         mdio_bb_prop[4];
 800                                 fs_enet_mdio_bb_data.delay =
 801                                         mdio_bb_prop[5];
 802
 803                                 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
 804                                 fs_enet_mdio_bb_data.irq[1] = -1;
 805                                 fs_enet_mdio_bb_data.irq[2] = -1;
 806                                 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
 807                                 fs_enet_mdio_bb_data.irq[31] = -1;
 808
 809                                 fs_enet_mdio_bb_data.mdio_dat.offset =
 810                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 811                                 fs_enet_mdio_bb_data.mdio_dir.offset =
 812                                         (u32)&cpm2_immr->im_ioport.iop_pdirc;
 813                                 fs_enet_mdio_bb_data.mdc_dat.offset =
 814                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 815
 816                                 ret = platform_device_add_data(
 817                                                 fs_enet_mdio_bb_dev,
 818                                                 &fs_enet_mdio_bb_data,
 819                                                 sizeof(struct fs_mii_bb_platform_info));
 820                                 if (ret)
 821                                         goto unreg;
 822                         }
 823
 824                         of_node_put(phy);
 825                         of_node_put(mdio);
 826
 827                         ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
 828                                                      sizeof(struct
 829                                                             fs_platform_info));
 830                         if (ret)
 831                                 goto unreg;
 832                 }
 833         }
 834         return 0;
 835
 836 unreg:
 837         platform_device_unregister(fs_enet_dev);
 838 err:
 839         return ret;
 840 }
 841
 842 arch_initcall(fs_enet_of_init);
 843
 844 static const char scc_regs[] = "regs";
 845 static const char scc_pram[] = "pram";
 846
 847 static int __init cpm_uart_of_init(void)
 848 {
 849         struct device_node *np;
 850         unsigned int i;
 851         struct platform_device *cpm_uart_dev;
 852         int ret;
 853
 854         for (np = NULL, i = 0;
 855              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
 856              i++) {
 857                 struct resource r[3];
 858                 struct fs_uart_platform_info cpm_uart_data;
 859                 const int *id;
 860                 const char *model;
 861
 862                 memset(r, 0, sizeof(r));
 863                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
 864
 865                 ret = of_address_to_resource(np, 0, &r[0]);
 866                 if (ret)
 867                         goto err;
 868
 869                 r[0].name = scc_regs;
 870
 871                 ret = of_address_to_resource(np, 1, &r[1]);
 872                 if (ret)
 873                         goto err;
 874                 r[1].name = scc_pram;
 875
 876                 of_irq_to_resource(np, 0, &r[2]);
 877
 878                 cpm_uart_dev =
 879                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
 880
 881                 if (IS_ERR(cpm_uart_dev)) {
 882                         ret = PTR_ERR(cpm_uart_dev);
 883                         goto err;
 884                 }
 885
 886                 id = of_get_property(np, "device-id", NULL);
 887                 cpm_uart_data.fs_no = *id;
 888
 889                 model = of_get_property(np, "model", NULL);
 890                 strcpy(cpm_uart_data.fs_type, model);
 891
 892                 cpm_uart_data.uart_clk = ppc_proc_freq;
 893
 894                 cpm_uart_data.tx_num_fifo = 4;
 895                 cpm_uart_data.tx_buf_size = 32;
 896                 cpm_uart_data.rx_num_fifo = 4;
 897                 cpm_uart_data.rx_buf_size = 32;
 898                 cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
 899                                                 "rx-clock", NULL));
 900                 cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
 901                                                 "tx-clock", NULL));
 902
 903                 ret =
 904                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
 905                                              sizeof(struct
 906                                                     fs_uart_platform_info));
 907                 if (ret)
 908                         goto unreg;
 909         }
 910
 911         return 0;
 912
 913 unreg:
 914         platform_device_unregister(cpm_uart_dev);
 915 err:
 916         return ret;
 917 }
 918
 919 arch_initcall(cpm_uart_of_init);
 920 #endif /* CONFIG_CPM2 */
 921
 922 #ifdef CONFIG_8xx
 923
 924 extern void init_scc_ioports(struct fs_platform_info*);
 925 extern int platform_device_skip(const char *model, int id);
 926
 927 static int __init fs_enet_mdio_of_init(void)
 928 {
 929         struct device_node *np;
 930         unsigned int i;
 931         struct platform_device *mdio_dev;
 932         struct resource res;
 933         int ret;
 934
 935         for (np = NULL, i = 0;
 936              (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
 937              i++) {
 938                 struct fs_mii_fec_platform_info mdio_data;
 939
 940                 memset(&res, 0, sizeof(res));
 941                 memset(&mdio_data, 0, sizeof(mdio_data));
 942
 943                 ret = of_address_to_resource(np, 0, &res);
 944                 if (ret)
 945                         goto err;
 946
 947                 mdio_dev =
 948                     platform_device_register_simple("fsl-cpm-fec-mdio",
 949                                                     res.start, &res, 1);
 950                 if (IS_ERR(mdio_dev)) {
 951                         ret = PTR_ERR(mdio_dev);
 952                         goto err;
 953                 }
 954
 955                 mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
 956
 957                 ret =
 958                     platform_device_add_data(mdio_dev, &mdio_data,
 959                                              sizeof(struct fs_mii_fec_platform_info));
 960                 if (ret)
 961                         goto unreg;
 962         }
 963         return 0;
 964
 965 unreg:
 966         platform_device_unregister(mdio_dev);
 967 err:
 968         return ret;
 969 }
 970
 971 arch_initcall(fs_enet_mdio_of_init);
 972
 973 static const char *enet_regs = "regs";
 974 static const char *enet_pram = "pram";
 975 static const char *enet_irq = "interrupt";
 976 static char bus_id[9][BUS_ID_SIZE];
 977
 978 static int __init fs_enet_of_init(void)
 979 {
 980         struct device_node *np;
 981         unsigned int i;
 982         struct platform_device *fs_enet_dev = NULL;
 983         struct resource res;
 984         int ret;
 985
 986         for (np = NULL, i = 0;
 987              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 988              i++) {
 989                 struct resource r[4];
 990                 struct device_node *phy = NULL, *mdio = NULL;
 991                 struct fs_platform_info fs_enet_data;
 992                 const unsigned int *id;
 993                 const unsigned int *phy_addr;
 994                 const void *mac_addr;
 995                 const phandle *ph;
 996                 const char *model;
 997
 998                 memset(r, 0, sizeof(r));
 999                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
1000
1001                 model = of_get_property(np, "model", NULL);
1002                 if (model == NULL) {
1003                         ret = -ENODEV;
1004                         goto unreg;
1005                 }
1006
1007                 id = of_get_property(np, "device-id", NULL);
1008                 fs_enet_data.fs_no = *id;
1009
1010                 if (platform_device_skip(model, *id))
1011                         continue;
1012
1013                 ret = of_address_to_resource(np, 0, &r[0]);
1014                 if (ret)
1015                         goto err;
1016                 r[0].name = enet_regs;
1017
1018                 mac_addr = of_get_mac_address(np);
1019                 if (mac_addr)
1020                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
1021
1022                 ph = of_get_property(np, "phy-handle", NULL);
1023                 if (ph != NULL)
1024                         phy = of_find_node_by_phandle(*ph);
1025
1026                 if (phy != NULL) {
1027                         phy_addr = of_get_property(phy, "reg", NULL);
1028                         fs_enet_data.phy_addr = *phy_addr;
1029                         fs_enet_data.has_phy = 1;
1030
1031                         mdio = of_get_parent(phy);
1032                         ret = of_address_to_resource(mdio, 0, &res);
1033                         if (ret) {
1034                                 of_node_put(phy);
1035                                 of_node_put(mdio);
1036                                 goto unreg;
1037                         }
1038                 }
1039
1040                 model = of_get_property(np, "model", NULL);
1041                 strcpy(fs_enet_data.fs_type, model);
1042
1043                 if (strstr(model, "FEC")) {
1044                         r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
1045                         r[1].flags = IORESOURCE_IRQ;
1046                         r[1].name = enet_irq;
1047
1048                         fs_enet_dev =
1049                                     platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
1050
1051                         if (IS_ERR(fs_enet_dev)) {
1052                                 ret = PTR_ERR(fs_enet_dev);
1053                                 goto err;
1054                         }
1055
1056                         fs_enet_data.rx_ring = 128;
1057                         fs_enet_data.tx_ring = 16;
1058                         fs_enet_data.rx_copybreak = 240;
1059                         fs_enet_data.use_napi = 1;
1060                         fs_enet_data.napi_weight = 17;
1061
1062                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
1063                                                         (u32)res.start, fs_enet_data.phy_addr);
1064                         fs_enet_data.bus_id = (char*)&bus_id[i];
1065                         fs_enet_data.init_ioports = init_fec_ioports;
1066                 }
1067                 if (strstr(model, "SCC")) {
1068                         ret = of_address_to_resource(np, 1, &r[1]);
1069                         if (ret)
1070                                 goto err;
1071                         r[1].name = enet_pram;
1072
1073                         r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1074                         r[2].flags = IORESOURCE_IRQ;
1075                         r[2].name = enet_irq;
1076
1077                         fs_enet_dev =
1078                                     platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
1079
1080                         if (IS_ERR(fs_enet_dev)) {
1081                                 ret = PTR_ERR(fs_enet_dev);
1082                                 goto err;
1083                         }
1084
1085                         fs_enet_data.rx_ring = 64;
1086                         fs_enet_data.tx_ring = 8;
1087                         fs_enet_data.rx_copybreak = 240;
1088                         fs_enet_data.use_napi = 1;
1089                         fs_enet_data.napi_weight = 17;
1090
1091                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
1092                         fs_enet_data.bus_id = (char*)&bus_id[i];
1093                         fs_enet_data.init_ioports = init_scc_ioports;
1094                 }
1095
1096                 of_node_put(phy);
1097                 of_node_put(mdio);
1098
1099                 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
1100                                              sizeof(struct
1101                                                     fs_platform_info));
1102                 if (ret)
1103                         goto unreg;
1104         }
1105         return 0;
1106
1107 unreg:
1108         platform_device_unregister(fs_enet_dev);
1109 err:
1110         return ret;
1111 }
1112
1113 arch_initcall(fs_enet_of_init);
1114
1115 static int __init fsl_pcmcia_of_init(void)
1116 {
1117         struct device_node *np = NULL;
1118         /*
1119          * Register all the devices which type is "pcmcia"
1120          */
1121         while ((np = of_find_compatible_node(np,
1122                         "pcmcia", "fsl,pq-pcmcia")) != NULL)
1123                             of_platform_device_create(np, "m8xx-pcmcia", NULL);
1124         return 0;
1125 }
1126
1127 arch_initcall(fsl_pcmcia_of_init);
1128
1129 static const char *smc_regs = "regs";
1130 static const char *smc_pram = "pram";
1131
1132 static int __init cpm_smc_uart_of_init(void)
1133 {
1134         struct device_node *np;
1135         unsigned int i;
1136         struct platform_device *cpm_uart_dev;
1137         int ret;
1138
1139         for (np = NULL, i = 0;
1140              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
1141              i++) {
1142                 struct resource r[3];
1143                 struct fs_uart_platform_info cpm_uart_data;
1144                 const int *id;
1145                 const char *model;
1146
1147                 memset(r, 0, sizeof(r));
1148                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
1149
1150                 ret = of_address_to_resource(np, 0, &r[0]);
1151                 if (ret)
1152                         goto err;
1153
1154                 r[0].name = smc_regs;
1155
1156                 ret = of_address_to_resource(np, 1, &r[1]);
1157                 if (ret)
1158                         goto err;
1159                 r[1].name = smc_pram;
1160
1161                 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1162                 r[2].flags = IORESOURCE_IRQ;
1163
1164                 cpm_uart_dev =
1165                     platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
1166
1167                 if (IS_ERR(cpm_uart_dev)) {
1168                         ret = PTR_ERR(cpm_uart_dev);
1169                         goto err;
1170                 }
1171
1172                 model = of_get_property(np, "model", NULL);
1173                 strcpy(cpm_uart_data.fs_type, model);
1174
1175                 id = of_get_property(np, "device-id", NULL);
1176                 cpm_uart_data.fs_no = *id;
1177                 cpm_uart_data.uart_clk = ppc_proc_freq;
1178
1179                 cpm_uart_data.tx_num_fifo = 4;
1180                 cpm_uart_data.tx_buf_size = 32;
1181                 cpm_uart_data.rx_num_fifo = 4;
1182                 cpm_uart_data.rx_buf_size = 32;
1183
1184                 ret =
1185                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
1186                                              sizeof(struct
1187                                                     fs_uart_platform_info));
1188                 if (ret)
1189                         goto unreg;
1190         }
1191
1192         return 0;
1193
1194 unreg:
1195         platform_device_unregister(cpm_uart_dev);
1196 err:
1197         return ret;
1198 }
1199
1200 arch_initcall(cpm_smc_uart_of_init);
1201
1202 #endif /* CONFIG_8xx */
1203
1204 int __init fsl_spi_init(struct spi_board_info *board_infos,
1205                         unsigned int num_board_infos,
1206                         void (*activate_cs)(u8 cs, u8 polarity),
1207                         void (*deactivate_cs)(u8 cs, u8 polarity))
1208 {
1209         struct device_node *np;
1210         unsigned int i;
1211         const u32 *sysclk;
1212
1213         np = of_find_node_by_type(NULL, "qe");
1214         if (!np)
1215                 return -ENODEV;
1216
1217         sysclk = of_get_property(np, "bus-frequency", NULL);
1218         if (!sysclk)
1219                 return -ENODEV;
1220
1221         for (np = NULL, i = 1;
1222              (np = of_find_compatible_node(np, "spi", "fsl_spi")) != NULL;
1223              i++) {
1224                 int ret = 0;
1225                 unsigned int j;
1226                 const void *prop;
1227                 struct resource res[2];
1228                 struct platform_device *pdev;
1229                 struct fsl_spi_platform_data pdata = {
1230                         .activate_cs = activate_cs,
1231                         .deactivate_cs = deactivate_cs,
1232                 };
1233
1234                 memset(res, 0, sizeof(res));
1235
1236                 pdata.sysclk = *sysclk;
1237
1238                 prop = of_get_property(np, "reg", NULL);
1239                 if (!prop)
1240                         goto err;
1241                 pdata.bus_num = *(u32 *)prop;
1242
1243                 prop = of_get_property(np, "mode", NULL);
1244                 if (prop && !strcmp(prop, "cpu-qe"))
1245                         pdata.qe_mode = 1;
1246
1247                 for (j = 0; j < num_board_infos; j++) {
1248                         if (board_infos[j].bus_num == pdata.bus_num)
1249                                 pdata.max_chipselect++;
1250                 }
1251
1252                 if (!pdata.max_chipselect)
1253                         goto err;
1254
1255                 ret = of_address_to_resource(np, 0, &res[0]);
1256                 if (ret)
1257                         goto err;
1258
1259                 ret = of_irq_to_resource(np, 0, &res[1]);
1260                 if (ret == NO_IRQ)
1261                         goto err;
1262
1263                 pdev = platform_device_alloc("mpc83xx_spi", i);
1264                 if (!pdev)
1265                         goto err;
1266
1267                 ret = platform_device_add_data(pdev, &pdata, sizeof(pdata));
1268                 if (ret)
1269                         goto unreg;
1270
1271                 ret = platform_device_add_resources(pdev, res,
1272                                                     ARRAY_SIZE(res));
1273                 if (ret)
1274                         goto unreg;
1275
1276                 ret = platform_device_register(pdev);
1277                 if (ret)
1278                         goto unreg;
1279
1280                 continue;
1281 unreg:
1282                 platform_device_del(pdev);
1283 err:
1284                 continue;
1285         }
1286
1287         return spi_register_board_info(board_infos, num_board_infos);
1288 }