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