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