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

   1 /*
   2  * FSL SoC setup code
   3  *
   4  * Maintained by Kumar Gala (see MAINTAINERS for contact information)
   5  *
   6  * 2006 (c) MontaVista Software, Inc.
   7  * Vitaly Bordug <vbordug@ru.mvista.com>
   8  *
   9  * This program is free software; you can redistribute  it and/or modify it
  10  * under  the terms of  the GNU General  Public License as published by the
  11  * Free Software Foundation;  either version 2 of the  License, or (at your
  12  * option) any later version.
  13  */
  14
  15 #include <linux/stddef.h>
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/errno.h>
  19 #include <linux/major.h>
  20 #include <linux/delay.h>
  21 #include <linux/irq.h>
  22 #include <linux/module.h>
  23 #include <linux/device.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/of_platform.h>
  26 #include <linux/phy.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/fsl_devices.h>
  29 #include <linux/fs_enet_pd.h>
  30 #include <linux/fs_uart_pd.h>
  31
  32 #include <asm/system.h>
  33 #include <asm/atomic.h>
  34 #include <asm/io.h>
  35 #include <asm/irq.h>
  36 #include <asm/time.h>
  37 #include <asm/prom.h>
  38 #include <sysdev/fsl_soc.h>
  39 #include <mm/mmu_decl.h>
  40 #include <asm/cpm2.h>
  41
  42 extern void init_fcc_ioports(struct fs_platform_info*);
  43 extern void init_fec_ioports(struct fs_platform_info*);
  44 extern void init_smc_ioports(struct fs_uart_platform_info*);
  45 static phys_addr_t immrbase = -1;
  46
  47 phys_addr_t get_immrbase(void)
  48 {
  49         struct device_node *soc;
  50
  51         if (immrbase != -1)
  52                 return immrbase;
  53
  54         soc = of_find_node_by_type(NULL, "soc");
  55         if (soc) {
  56                 int size;
  57                 const void *prop = of_get_property(soc, "reg", &size);
  58
  59                 if (prop)
  60                         immrbase = of_translate_address(soc, prop);
  61                 of_node_put(soc);
  62         }
  63
  64         return immrbase;
  65 }
  66
  67 EXPORT_SYMBOL(get_immrbase);
  68
  69 #if defined(CONFIG_CPM2) || defined(CONFIG_8xx)
  70
  71 static u32 brgfreq = -1;
  72
  73 u32 get_brgfreq(void)
  74 {
  75         struct device_node *node;
  76         const unsigned int *prop;
  77         int size;
  78
  79         if (brgfreq != -1)
  80                 return brgfreq;
  81
  82         node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg");
  83         if (node) {
  84                 prop = of_get_property(node, "clock-frequency", &size);
  85                 if (prop && size == 4)
  86                         brgfreq = *prop;
  87
  88                 of_node_put(node);
  89                 return brgfreq;
  90         }
  91
  92         /* Legacy device binding -- will go away when no users are left. */
  93         node = of_find_node_by_type(NULL, "cpm");
  94         if (node) {
  95                 prop = of_get_property(node, "brg-frequency", &size);
  96                 if (prop && size == 4)
  97                         brgfreq = *prop;
  98
  99                 of_node_put(node);
 100         }
 101
 102         return brgfreq;
 103 }
 104
 105 EXPORT_SYMBOL(get_brgfreq);
 106
 107 static u32 fs_baudrate = -1;
 108
 109 u32 get_baudrate(void)
 110 {
 111         struct device_node *node;
 112
 113         if (fs_baudrate != -1)
 114                 return fs_baudrate;
 115
 116         node = of_find_node_by_type(NULL, "serial");
 117         if (node) {
 118                 int size;
 119                 const unsigned int *prop = of_get_property(node,
 120                                 "current-speed", &size);
 121
 122                 if (prop)
 123                         fs_baudrate = *prop;
 124                 of_node_put(node);
 125         }
 126
 127         return fs_baudrate;
 128 }
 129
 130 EXPORT_SYMBOL(get_baudrate);
 131 #endif /* CONFIG_CPM2 */
 132
 133 static int __init gfar_mdio_of_init(void)
 134 {
 135         struct device_node *np;
 136         unsigned int i;
 137         struct platform_device *mdio_dev;
 138         struct resource res;
 139         int ret;
 140
 141         for (np = NULL, i = 0;
 142              (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
 143              i++) {
 144                 int k;
 145                 struct device_node *child = NULL;
 146                 struct gianfar_mdio_data mdio_data;
 147
 148                 memset(&res, 0, sizeof(res));
 149                 memset(&mdio_data, 0, sizeof(mdio_data));
 150
 151                 ret = of_address_to_resource(np, 0, &res);
 152                 if (ret)
 153                         goto err;
 154
 155                 mdio_dev =
 156                     platform_device_register_simple("fsl-gianfar_mdio",
 157                                                     res.start, &res, 1);
 158                 if (IS_ERR(mdio_dev)) {
 159                         ret = PTR_ERR(mdio_dev);
 160                         goto err;
 161                 }
 162
 163                 for (k = 0; k < 32; k++)
 164                         mdio_data.irq[k] = PHY_POLL;
 165
 166                 while ((child = of_get_next_child(np, child)) != NULL) {
 167                         int irq = irq_of_parse_and_map(child, 0);
 168                         if (irq != NO_IRQ) {
 169                                 const u32 *id = of_get_property(child,
 170                                                         "reg", NULL);
 171                                 mdio_data.irq[*id] = irq;
 172                         }
 173                 }
 174
 175                 ret =
 176                     platform_device_add_data(mdio_dev, &mdio_data,
 177                                              sizeof(struct gianfar_mdio_data));
 178                 if (ret)
 179                         goto unreg;
 180         }
 181
 182         return 0;
 183
 184 unreg:
 185         platform_device_unregister(mdio_dev);
 186 err:
 187         return ret;
 188 }
 189
 190 arch_initcall(gfar_mdio_of_init);
 191
 192 static const char *gfar_tx_intr = "tx";
 193 static const char *gfar_rx_intr = "rx";
 194 static const char *gfar_err_intr = "error";
 195
 196
 197 static int __init gfar_of_init(void)
 198 {
 199         struct device_node *np;
 200         unsigned int i;
 201         struct platform_device *gfar_dev;
 202         struct resource res;
 203         int ret;
 204
 205         for (np = NULL, i = 0;
 206              (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
 207              i++) {
 208                 struct resource r[4];
 209                 struct device_node *phy, *mdio;
 210                 struct gianfar_platform_data gfar_data;
 211                 const unsigned int *id;
 212                 const char *model;
 213                 const char *ctype;
 214                 const void *mac_addr;
 215                 const phandle *ph;
 216                 int n_res = 2;
 217
 218                 memset(r, 0, sizeof(r));
 219                 memset(&gfar_data, 0, sizeof(gfar_data));
 220
 221                 ret = of_address_to_resource(np, 0, &r[0]);
 222                 if (ret)
 223                         goto err;
 224
 225                 of_irq_to_resource(np, 0, &r[1]);
 226
 227                 model = of_get_property(np, "model", NULL);
 228
 229                 /* If we aren't the FEC we have multiple interrupts */
 230                 if (model && strcasecmp(model, "FEC")) {
 231                         r[1].name = gfar_tx_intr;
 232
 233                         r[2].name = gfar_rx_intr;
 234                         of_irq_to_resource(np, 1, &r[2]);
 235
 236                         r[3].name = gfar_err_intr;
 237                         of_irq_to_resource(np, 2, &r[3]);
 238
 239                         n_res += 2;
 240                 }
 241
 242                 gfar_dev =
 243                     platform_device_register_simple("fsl-gianfar", i, &r[0],
 244                                                     n_res);
 245
 246                 if (IS_ERR(gfar_dev)) {
 247                         ret = PTR_ERR(gfar_dev);
 248                         goto err;
 249                 }
 250
 251                 mac_addr = of_get_mac_address(np);
 252                 if (mac_addr)
 253                         memcpy(gfar_data.mac_addr, mac_addr, 6);
 254
 255                 if (model && !strcasecmp(model, "TSEC"))
 256                         gfar_data.device_flags =
 257                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 258                             FSL_GIANFAR_DEV_HAS_COALESCE |
 259                             FSL_GIANFAR_DEV_HAS_RMON |
 260                             FSL_GIANFAR_DEV_HAS_MULTI_INTR;
 261                 if (model && !strcasecmp(model, "eTSEC"))
 262                         gfar_data.device_flags =
 263                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 264                             FSL_GIANFAR_DEV_HAS_COALESCE |
 265                             FSL_GIANFAR_DEV_HAS_RMON |
 266                             FSL_GIANFAR_DEV_HAS_MULTI_INTR |
 267                             FSL_GIANFAR_DEV_HAS_CSUM |
 268                             FSL_GIANFAR_DEV_HAS_VLAN |
 269                             FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
 270
 271                 ctype = of_get_property(np, "phy-connection-type", NULL);
 272
 273                 /* We only care about rgmii-id.  The rest are autodetected */
 274                 if (ctype && !strcmp(ctype, "rgmii-id"))
 275                         gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID;
 276                 else
 277                         gfar_data.interface = PHY_INTERFACE_MODE_MII;
 278
 279                 ph = of_get_property(np, "phy-handle", NULL);
 280                 phy = of_find_node_by_phandle(*ph);
 281
 282                 if (phy == NULL) {
 283                         ret = -ENODEV;
 284                         goto unreg;
 285                 }
 286
 287                 mdio = of_get_parent(phy);
 288
 289                 id = of_get_property(phy, "reg", NULL);
 290                 ret = of_address_to_resource(mdio, 0, &res);
 291                 if (ret) {
 292                         of_node_put(phy);
 293                         of_node_put(mdio);
 294                         goto unreg;
 295                 }
 296
 297                 gfar_data.phy_id = *id;
 298                 gfar_data.bus_id = res.start;
 299
 300                 of_node_put(phy);
 301                 of_node_put(mdio);
 302
 303                 ret =
 304                     platform_device_add_data(gfar_dev, &gfar_data,
 305                                              sizeof(struct
 306                                                     gianfar_platform_data));
 307                 if (ret)
 308                         goto unreg;
 309         }
 310
 311         return 0;
 312
 313 unreg:
 314         platform_device_unregister(gfar_dev);
 315 err:
 316         return ret;
 317 }
 318
 319 arch_initcall(gfar_of_init);
 320
 321 #ifdef CONFIG_I2C_BOARDINFO
 322 #include <linux/i2c.h>
 323 struct i2c_driver_device {
 324         char    *of_device;
 325         char    *i2c_driver;
 326         char    *i2c_type;
 327 };
 328
 329 static struct i2c_driver_device i2c_devices[] __initdata = {
 330         {"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",},
 331         {"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",},
 332         {"ricoh,rv5c386",  "rtc-rs5c372", "rv5c386",},
 333         {"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
 334 };
 335
 336 static int __init of_find_i2c_driver(struct device_node *node,
 337                                      struct i2c_board_info *info)
 338 {
 339         int i;
 340
 341         for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
 342                 if (!of_device_is_compatible(node, i2c_devices[i].of_device))
 343                         continue;
 344                 if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
 345                             KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
 346                     strlcpy(info->type, i2c_devices[i].i2c_type,
 347                             I2C_NAME_SIZE) >= I2C_NAME_SIZE)
 348                         return -ENOMEM;
 349                 return 0;
 350         }
 351         return -ENODEV;
 352 }
 353
 354 static void __init of_register_i2c_devices(struct device_node *adap_node,
 355                                            int bus_num)
 356 {
 357         struct device_node *node = NULL;
 358
 359         while ((node = of_get_next_child(adap_node, node))) {
 360                 struct i2c_board_info info;
 361                 const u32 *addr;
 362                 int len;
 363
 364                 addr = of_get_property(node, "reg", &len);
 365                 if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
 366                         printk(KERN_WARNING "fsl_ioc.c: invalid i2c device entry\n");
 367                         continue;
 368                 }
 369
 370                 info.irq = irq_of_parse_and_map(node, 0);
 371                 if (info.irq == NO_IRQ)
 372                         info.irq = -1;
 373
 374                 if (of_find_i2c_driver(node, &info) < 0)
 375                         continue;
 376
 377                 info.platform_data = NULL;
 378                 info.addr = *addr;
 379
 380                 i2c_register_board_info(bus_num, &info, 1);
 381         }
 382 }
 383
 384 static int __init fsl_i2c_of_init(void)
 385 {
 386         struct device_node *np;
 387         unsigned int i;
 388         struct platform_device *i2c_dev;
 389         int ret;
 390
 391         for (np = NULL, i = 0;
 392              (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
 393              i++) {
 394                 struct resource r[2];
 395                 struct fsl_i2c_platform_data i2c_data;
 396                 const unsigned char *flags = NULL;
 397
 398                 memset(&r, 0, sizeof(r));
 399                 memset(&i2c_data, 0, sizeof(i2c_data));
 400
 401                 ret = of_address_to_resource(np, 0, &r[0]);
 402                 if (ret)
 403                         goto err;
 404
 405                 of_irq_to_resource(np, 0, &r[1]);
 406
 407                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 408                 if (IS_ERR(i2c_dev)) {
 409                         ret = PTR_ERR(i2c_dev);
 410                         goto err;
 411                 }
 412
 413                 i2c_data.device_flags = 0;
 414                 flags = of_get_property(np, "dfsrr", NULL);
 415                 if (flags)
 416                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 417
 418                 flags = of_get_property(np, "fsl5200-clocking", NULL);
 419                 if (flags)
 420                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
 421
 422                 ret =
 423                     platform_device_add_data(i2c_dev, &i2c_data,
 424                                              sizeof(struct
 425                                                     fsl_i2c_platform_data));
 426                 if (ret)
 427                         goto unreg;
 428
 429                 of_register_i2c_devices(np, i);
 430         }
 431
 432         return 0;
 433
 434 unreg:
 435         platform_device_unregister(i2c_dev);
 436 err:
 437         return ret;
 438 }
 439
 440 arch_initcall(fsl_i2c_of_init);
 441 #endif
 442
 443 #ifdef CONFIG_PPC_83xx
 444 static int __init mpc83xx_wdt_init(void)
 445 {
 446         struct resource r;
 447         struct device_node *soc, *np;
 448         struct platform_device *dev;
 449         const unsigned int *freq;
 450         int ret;
 451
 452         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 453
 454         if (!np) {
 455                 ret = -ENODEV;
 456                 goto nodev;
 457         }
 458
 459         soc = of_find_node_by_type(NULL, "soc");
 460
 461         if (!soc) {
 462                 ret = -ENODEV;
 463                 goto nosoc;
 464         }
 465
 466         freq = of_get_property(soc, "bus-frequency", NULL);
 467         if (!freq) {
 468                 ret = -ENODEV;
 469                 goto err;
 470         }
 471
 472         memset(&r, 0, sizeof(r));
 473
 474         ret = of_address_to_resource(np, 0, &r);
 475         if (ret)
 476                 goto err;
 477
 478         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 479         if (IS_ERR(dev)) {
 480                 ret = PTR_ERR(dev);
 481                 goto err;
 482         }
 483
 484         ret = platform_device_add_data(dev, freq, sizeof(int));
 485         if (ret)
 486                 goto unreg;
 487
 488         of_node_put(soc);
 489         of_node_put(np);
 490
 491         return 0;
 492
 493 unreg:
 494         platform_device_unregister(dev);
 495 err:
 496         of_node_put(soc);
 497 nosoc:
 498         of_node_put(np);
 499 nodev:
 500         return ret;
 501 }
 502
 503 arch_initcall(mpc83xx_wdt_init);
 504 #endif
 505
 506 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 507 {
 508         if (!phy_type)
 509                 return FSL_USB2_PHY_NONE;
 510         if (!strcasecmp(phy_type, "ulpi"))
 511                 return FSL_USB2_PHY_ULPI;
 512         if (!strcasecmp(phy_type, "utmi"))
 513                 return FSL_USB2_PHY_UTMI;
 514         if (!strcasecmp(phy_type, "utmi_wide"))
 515                 return FSL_USB2_PHY_UTMI_WIDE;
 516         if (!strcasecmp(phy_type, "serial"))
 517                 return FSL_USB2_PHY_SERIAL;
 518
 519         return FSL_USB2_PHY_NONE;
 520 }
 521
 522 static int __init fsl_usb_of_init(void)
 523 {
 524         struct device_node *np;
 525         unsigned int i;
 526         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
 527                 *usb_dev_dr_client = NULL;
 528         int ret;
 529
 530         for (np = NULL, i = 0;
 531              (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
 532              i++) {
 533                 struct resource r[2];
 534                 struct fsl_usb2_platform_data usb_data;
 535                 const unsigned char *prop = NULL;
 536
 537                 memset(&r, 0, sizeof(r));
 538                 memset(&usb_data, 0, sizeof(usb_data));
 539
 540                 ret = of_address_to_resource(np, 0, &r[0]);
 541                 if (ret)
 542                         goto err;
 543
 544                 of_irq_to_resource(np, 0, &r[1]);
 545
 546                 usb_dev_mph =
 547                     platform_device_register_simple("fsl-ehci", i, r, 2);
 548                 if (IS_ERR(usb_dev_mph)) {
 549                         ret = PTR_ERR(usb_dev_mph);
 550                         goto err;
 551                 }
 552
 553                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 554                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
 555
 556                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
 557
 558                 prop = of_get_property(np, "port0", NULL);
 559                 if (prop)
 560                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
 561
 562                 prop = of_get_property(np, "port1", NULL);
 563                 if (prop)
 564                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
 565
 566                 prop = of_get_property(np, "phy_type", NULL);
 567                 usb_data.phy_mode = determine_usb_phy(prop);
 568
 569                 ret =
 570                     platform_device_add_data(usb_dev_mph, &usb_data,
 571                                              sizeof(struct
 572                                                     fsl_usb2_platform_data));
 573                 if (ret)
 574                         goto unreg_mph;
 575         }
 576
 577         for (np = NULL;
 578              (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
 579              i++) {
 580                 struct resource r[2];
 581                 struct fsl_usb2_platform_data usb_data;
 582                 const unsigned char *prop = NULL;
 583
 584                 memset(&r, 0, sizeof(r));
 585                 memset(&usb_data, 0, sizeof(usb_data));
 586
 587                 ret = of_address_to_resource(np, 0, &r[0]);
 588                 if (ret)
 589                         goto unreg_mph;
 590
 591                 of_irq_to_resource(np, 0, &r[1]);
 592
 593                 prop = of_get_property(np, "dr_mode", NULL);
 594
 595                 if (!prop || !strcmp(prop, "host")) {
 596                         usb_data.operating_mode = FSL_USB2_DR_HOST;
 597                         usb_dev_dr_host = platform_device_register_simple(
 598                                         "fsl-ehci", i, r, 2);
 599                         if (IS_ERR(usb_dev_dr_host)) {
 600                                 ret = PTR_ERR(usb_dev_dr_host);
 601                                 goto err;
 602                         }
 603                 } else if (prop && !strcmp(prop, "peripheral")) {
 604                         usb_data.operating_mode = FSL_USB2_DR_DEVICE;
 605                         usb_dev_dr_client = platform_device_register_simple(
 606                                         "fsl-usb2-udc", i, r, 2);
 607                         if (IS_ERR(usb_dev_dr_client)) {
 608                                 ret = PTR_ERR(usb_dev_dr_client);
 609                                 goto err;
 610                         }
 611                 } else if (prop && !strcmp(prop, "otg")) {
 612                         usb_data.operating_mode = FSL_USB2_DR_OTG;
 613                         usb_dev_dr_host = platform_device_register_simple(
 614                                         "fsl-ehci", i, r, 2);
 615                         if (IS_ERR(usb_dev_dr_host)) {
 616                                 ret = PTR_ERR(usb_dev_dr_host);
 617                                 goto err;
 618                         }
 619                         usb_dev_dr_client = platform_device_register_simple(
 620                                         "fsl-usb2-udc", i, r, 2);
 621                         if (IS_ERR(usb_dev_dr_client)) {
 622                                 ret = PTR_ERR(usb_dev_dr_client);
 623                                 goto err;
 624                         }
 625                 } else {
 626                         ret = -EINVAL;
 627                         goto err;
 628                 }
 629
 630                 prop = of_get_property(np, "phy_type", NULL);
 631                 usb_data.phy_mode = determine_usb_phy(prop);
 632
 633                 if (usb_dev_dr_host) {
 634                         usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
 635                         usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
 636                                 dev.coherent_dma_mask;
 637                         if ((ret = platform_device_add_data(usb_dev_dr_host,
 638                                                 &usb_data, sizeof(struct
 639                                                 fsl_usb2_platform_data))))
 640                                 goto unreg_dr;
 641                 }
 642                 if (usb_dev_dr_client) {
 643                         usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
 644                         usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
 645                                 dev.coherent_dma_mask;
 646                         if ((ret = platform_device_add_data(usb_dev_dr_client,
 647                                                 &usb_data, sizeof(struct
 648                                                 fsl_usb2_platform_data))))
 649                                 goto unreg_dr;
 650                 }
 651         }
 652         return 0;
 653
 654 unreg_dr:
 655         if (usb_dev_dr_host)
 656                 platform_device_unregister(usb_dev_dr_host);
 657         if (usb_dev_dr_client)
 658                 platform_device_unregister(usb_dev_dr_client);
 659 unreg_mph:
 660         if (usb_dev_mph)
 661                 platform_device_unregister(usb_dev_mph);
 662 err:
 663         return ret;
 664 }
 665
 666 arch_initcall(fsl_usb_of_init);
 667
 668 #ifdef CONFIG_CPM2
 669
 670 extern void init_scc_ioports(struct fs_uart_platform_info*);
 671
 672 static const char fcc_regs[] = "fcc_regs";
 673 static const char fcc_regs_c[] = "fcc_regs_c";
 674 static const char fcc_pram[] = "fcc_pram";
 675 static char bus_id[9][BUS_ID_SIZE];
 676
 677 static int __init fs_enet_of_init(void)
 678 {
 679         struct device_node *np;
 680         unsigned int i;
 681         struct platform_device *fs_enet_dev;
 682         struct resource res;
 683         int ret;
 684
 685         for (np = NULL, i = 0;
 686              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 687              i++) {
 688                 struct resource r[4];
 689                 struct device_node *phy, *mdio;
 690                 struct fs_platform_info fs_enet_data;
 691                 const unsigned int *id, *phy_addr, *phy_irq;
 692                 const void *mac_addr;
 693                 const phandle *ph;
 694                 const char *model;
 695
 696                 memset(r, 0, sizeof(r));
 697                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 698
 699                 ret = of_address_to_resource(np, 0, &r[0]);
 700                 if (ret)
 701                         goto err;
 702                 r[0].name = fcc_regs;
 703
 704                 ret = of_address_to_resource(np, 1, &r[1]);
 705                 if (ret)
 706                         goto err;
 707                 r[1].name = fcc_pram;
 708
 709                 ret = of_address_to_resource(np, 2, &r[2]);
 710                 if (ret)
 711                         goto err;
 712                 r[2].name = fcc_regs_c;
 713                 fs_enet_data.fcc_regs_c = r[2].start;
 714
 715                 of_irq_to_resource(np, 0, &r[3]);
 716
 717                 fs_enet_dev =
 718                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
 719
 720                 if (IS_ERR(fs_enet_dev)) {
 721                         ret = PTR_ERR(fs_enet_dev);
 722                         goto err;
 723                 }
 724
 725                 model = of_get_property(np, "model", NULL);
 726                 if (model == NULL) {
 727                         ret = -ENODEV;
 728                         goto unreg;
 729                 }
 730
 731                 mac_addr = of_get_mac_address(np);
 732                 if (mac_addr)
 733                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
 734
 735                 ph = of_get_property(np, "phy-handle", NULL);
 736                 phy = of_find_node_by_phandle(*ph);
 737
 738                 if (phy == NULL) {
 739                         ret = -ENODEV;
 740                         goto unreg;
 741                 }
 742
 743                 phy_addr = of_get_property(phy, "reg", NULL);
 744                 fs_enet_data.phy_addr = *phy_addr;
 745
 746                 phy_irq = of_get_property(phy, "interrupts", NULL);
 747
 748                 id = of_get_property(np, "device-id", NULL);
 749                 fs_enet_data.fs_no = *id;
 750                 strcpy(fs_enet_data.fs_type, model);
 751
 752                 mdio = of_get_parent(phy);
 753                 ret = of_address_to_resource(mdio, 0, &res);
 754                 if (ret) {
 755                         of_node_put(phy);
 756                         of_node_put(mdio);
 757                         goto unreg;
 758                 }
 759
 760                 fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
 761                                                 "rx-clock", NULL));
 762                 fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
 763                                                 "tx-clock", NULL));
 764
 765                 if (strstr(model, "FCC")) {
 766                         int fcc_index = *id - 1;
 767                         const unsigned char *mdio_bb_prop;
 768
 769                         fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
 770                         fs_enet_data.rx_ring = 32;
 771                         fs_enet_data.tx_ring = 32;
 772                         fs_enet_data.rx_copybreak = 240;
 773                         fs_enet_data.use_napi = 0;
 774                         fs_enet_data.napi_weight = 17;
 775                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
 776                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
 777                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
 778
 779                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
 780                                                         (u32)res.start, fs_enet_data.phy_addr);
 781                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
 782                         fs_enet_data.init_ioports = init_fcc_ioports;
 783
 784                         mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
 785                         if (mdio_bb_prop) {
 786                                 struct platform_device *fs_enet_mdio_bb_dev;
 787                                 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
 788
 789                                 fs_enet_mdio_bb_dev =
 790                                         platform_device_register_simple("fsl-bb-mdio",
 791                                                         i, NULL, 0);
 792                                 memset(&fs_enet_mdio_bb_data, 0,
 793                                                 sizeof(struct fs_mii_bb_platform_info));
 794                                 fs_enet_mdio_bb_data.mdio_dat.bit =
 795                                         mdio_bb_prop[0];
 796                                 fs_enet_mdio_bb_data.mdio_dir.bit =
 797                                         mdio_bb_prop[1];
 798                                 fs_enet_mdio_bb_data.mdc_dat.bit =
 799                                         mdio_bb_prop[2];
 800                                 fs_enet_mdio_bb_data.mdio_port =
 801                                         mdio_bb_prop[3];
 802                                 fs_enet_mdio_bb_data.mdc_port =
 803                                         mdio_bb_prop[4];
 804                                 fs_enet_mdio_bb_data.delay =
 805                                         mdio_bb_prop[5];
 806
 807                                 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
 808                                 fs_enet_mdio_bb_data.irq[1] = -1;
 809                                 fs_enet_mdio_bb_data.irq[2] = -1;
 810                                 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
 811                                 fs_enet_mdio_bb_data.irq[31] = -1;
 812
 813                                 fs_enet_mdio_bb_data.mdio_dat.offset =
 814                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 815                                 fs_enet_mdio_bb_data.mdio_dir.offset =
 816                                         (u32)&cpm2_immr->im_ioport.iop_pdirc;
 817                                 fs_enet_mdio_bb_data.mdc_dat.offset =
 818                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 819
 820                                 ret = platform_device_add_data(
 821                                                 fs_enet_mdio_bb_dev,
 822                                                 &fs_enet_mdio_bb_data,
 823                                                 sizeof(struct fs_mii_bb_platform_info));
 824                                 if (ret)
 825                                         goto unreg;
 826                         }
 827
 828                         of_node_put(phy);
 829                         of_node_put(mdio);
 830
 831                         ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
 832                                                      sizeof(struct
 833                                                             fs_platform_info));
 834                         if (ret)
 835                                 goto unreg;
 836                 }
 837         }
 838         return 0;
 839
 840 unreg:
 841         platform_device_unregister(fs_enet_dev);
 842 err:
 843         return ret;
 844 }
 845
 846 arch_initcall(fs_enet_of_init);
 847
 848 static const char scc_regs[] = "regs";
 849 static const char scc_pram[] = "pram";
 850
 851 static int __init cpm_uart_of_init(void)
 852 {
 853         struct device_node *np;
 854         unsigned int i;
 855         struct platform_device *cpm_uart_dev;
 856         int ret;
 857
 858         for (np = NULL, i = 0;
 859              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
 860              i++) {
 861                 struct resource r[3];
 862                 struct fs_uart_platform_info cpm_uart_data;
 863                 const int *id;
 864                 const char *model;
 865
 866                 memset(r, 0, sizeof(r));
 867                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
 868
 869                 ret = of_address_to_resource(np, 0, &r[0]);
 870                 if (ret)
 871                         goto err;
 872
 873                 r[0].name = scc_regs;
 874
 875                 ret = of_address_to_resource(np, 1, &r[1]);
 876                 if (ret)
 877                         goto err;
 878                 r[1].name = scc_pram;
 879
 880                 of_irq_to_resource(np, 0, &r[2]);
 881
 882                 cpm_uart_dev =
 883                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
 884
 885                 if (IS_ERR(cpm_uart_dev)) {
 886                         ret = PTR_ERR(cpm_uart_dev);
 887                         goto err;
 888                 }
 889
 890                 id = of_get_property(np, "device-id", NULL);
 891                 cpm_uart_data.fs_no = *id;
 892
 893                 model = of_get_property(np, "model", NULL);
 894                 strcpy(cpm_uart_data.fs_type, model);
 895
 896                 cpm_uart_data.uart_clk = ppc_proc_freq;
 897
 898                 cpm_uart_data.tx_num_fifo = 4;
 899                 cpm_uart_data.tx_buf_size = 32;
 900                 cpm_uart_data.rx_num_fifo = 4;
 901                 cpm_uart_data.rx_buf_size = 32;
 902                 cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
 903                                                 "rx-clock", NULL));
 904                 cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
 905                                                 "tx-clock", NULL));
 906
 907                 ret =
 908                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
 909                                              sizeof(struct
 910                                                     fs_uart_platform_info));
 911                 if (ret)
 912                         goto unreg;
 913         }
 914
 915         return 0;
 916
 917 unreg:
 918         platform_device_unregister(cpm_uart_dev);
 919 err:
 920         return ret;
 921 }
 922
 923 arch_initcall(cpm_uart_of_init);
 924 #endif /* CONFIG_CPM2 */
 925
 926 #ifdef CONFIG_8xx
 927
 928 extern void init_scc_ioports(struct fs_platform_info*);
 929 extern int platform_device_skip(const char *model, int id);
 930
 931 static int __init fs_enet_mdio_of_init(void)
 932 {
 933         struct device_node *np;
 934         unsigned int i;
 935         struct platform_device *mdio_dev;
 936         struct resource res;
 937         int ret;
 938
 939         for (np = NULL, i = 0;
 940              (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
 941              i++) {
 942                 struct fs_mii_fec_platform_info mdio_data;
 943
 944                 memset(&res, 0, sizeof(res));
 945                 memset(&mdio_data, 0, sizeof(mdio_data));
 946
 947                 ret = of_address_to_resource(np, 0, &res);
 948                 if (ret)
 949                         goto err;
 950
 951                 mdio_dev =
 952                     platform_device_register_simple("fsl-cpm-fec-mdio",
 953                                                     res.start, &res, 1);
 954                 if (IS_ERR(mdio_dev)) {
 955                         ret = PTR_ERR(mdio_dev);
 956                         goto err;
 957                 }
 958
 959                 mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
 960
 961                 ret =
 962                     platform_device_add_data(mdio_dev, &mdio_data,
 963                                              sizeof(struct fs_mii_fec_platform_info));
 964                 if (ret)
 965                         goto unreg;
 966         }
 967         return 0;
 968
 969 unreg:
 970         platform_device_unregister(mdio_dev);
 971 err:
 972         return ret;
 973 }
 974
 975 arch_initcall(fs_enet_mdio_of_init);
 976
 977 static const char *enet_regs = "regs";
 978 static const char *enet_pram = "pram";
 979 static const char *enet_irq = "interrupt";
 980 static char bus_id[9][BUS_ID_SIZE];
 981
 982 static int __init fs_enet_of_init(void)
 983 {
 984         struct device_node *np;
 985         unsigned int i;
 986         struct platform_device *fs_enet_dev = NULL;
 987         struct resource res;
 988         int ret;
 989
 990         for (np = NULL, i = 0;
 991              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 992              i++) {
 993                 struct resource r[4];
 994                 struct device_node *phy = NULL, *mdio = NULL;
 995                 struct fs_platform_info fs_enet_data;
 996                 const unsigned int *id;
 997                 const unsigned int *phy_addr;
 998                 const void *mac_addr;
 999                 const phandle *ph;
1000                 const char *model;
1001
1002                 memset(r, 0, sizeof(r));
1003                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
1004
1005                 model = of_get_property(np, "model", NULL);
1006                 if (model == NULL) {
1007                         ret = -ENODEV;
1008                         goto unreg;
1009                 }
1010
1011                 id = of_get_property(np, "device-id", NULL);
1012                 fs_enet_data.fs_no = *id;
1013
1014                 if (platform_device_skip(model, *id))
1015                         continue;
1016
1017                 ret = of_address_to_resource(np, 0, &r[0]);
1018                 if (ret)
1019                         goto err;
1020                 r[0].name = enet_regs;
1021
1022                 mac_addr = of_get_mac_address(np);
1023                 if (mac_addr)
1024                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
1025
1026                 ph = of_get_property(np, "phy-handle", NULL);
1027                 if (ph != NULL)
1028                         phy = of_find_node_by_phandle(*ph);
1029
1030                 if (phy != NULL) {
1031                         phy_addr = of_get_property(phy, "reg", NULL);
1032                         fs_enet_data.phy_addr = *phy_addr;
1033                         fs_enet_data.has_phy = 1;
1034
1035                         mdio = of_get_parent(phy);
1036                         ret = of_address_to_resource(mdio, 0, &res);
1037                         if (ret) {
1038                                 of_node_put(phy);
1039                                 of_node_put(mdio);
1040                                 goto unreg;
1041                         }
1042                 }
1043
1044                 model = of_get_property(np, "model", NULL);
1045                 strcpy(fs_enet_data.fs_type, model);
1046
1047                 if (strstr(model, "FEC")) {
1048                         r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
1049                         r[1].flags = IORESOURCE_IRQ;
1050                         r[1].name = enet_irq;
1051
1052                         fs_enet_dev =
1053                                     platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
1054
1055                         if (IS_ERR(fs_enet_dev)) {
1056                                 ret = PTR_ERR(fs_enet_dev);
1057                                 goto err;
1058                         }
1059
1060                         fs_enet_data.rx_ring = 128;
1061                         fs_enet_data.tx_ring = 16;
1062                         fs_enet_data.rx_copybreak = 240;
1063                         fs_enet_data.use_napi = 1;
1064                         fs_enet_data.napi_weight = 17;
1065
1066                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
1067                                                         (u32)res.start, fs_enet_data.phy_addr);
1068                         fs_enet_data.bus_id = (char*)&bus_id[i];
1069                         fs_enet_data.init_ioports = init_fec_ioports;
1070                 }
1071                 if (strstr(model, "SCC")) {
1072                         ret = of_address_to_resource(np, 1, &r[1]);
1073                         if (ret)
1074                                 goto err;
1075                         r[1].name = enet_pram;
1076
1077                         r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1078                         r[2].flags = IORESOURCE_IRQ;
1079                         r[2].name = enet_irq;
1080
1081                         fs_enet_dev =
1082                                     platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
1083
1084                         if (IS_ERR(fs_enet_dev)) {
1085                                 ret = PTR_ERR(fs_enet_dev);
1086                                 goto err;
1087                         }
1088
1089                         fs_enet_data.rx_ring = 64;
1090                         fs_enet_data.tx_ring = 8;
1091                         fs_enet_data.rx_copybreak = 240;
1092                         fs_enet_data.use_napi = 1;
1093                         fs_enet_data.napi_weight = 17;
1094
1095                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
1096                         fs_enet_data.bus_id = (char*)&bus_id[i];
1097                         fs_enet_data.init_ioports = init_scc_ioports;
1098                 }
1099
1100                 of_node_put(phy);
1101                 of_node_put(mdio);
1102
1103                 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
1104                                              sizeof(struct
1105                                                     fs_platform_info));
1106                 if (ret)
1107                         goto unreg;
1108         }
1109         return 0;
1110
1111 unreg:
1112         platform_device_unregister(fs_enet_dev);
1113 err:
1114         return ret;
1115 }
1116
1117 arch_initcall(fs_enet_of_init);
1118
1119 static int __init fsl_pcmcia_of_init(void)
1120 {
1121         struct device_node *np = NULL;
1122         /*
1123          * Register all the devices which type is "pcmcia"
1124          */
1125         while ((np = of_find_compatible_node(np,
1126                         "pcmcia", "fsl,pq-pcmcia")) != NULL)
1127                             of_platform_device_create(np, "m8xx-pcmcia", NULL);
1128         return 0;
1129 }
1130
1131 arch_initcall(fsl_pcmcia_of_init);
1132
1133 static const char *smc_regs = "regs";
1134 static const char *smc_pram = "pram";
1135
1136 static int __init cpm_smc_uart_of_init(void)
1137 {
1138         struct device_node *np;
1139         unsigned int i;
1140         struct platform_device *cpm_uart_dev;
1141         int ret;
1142
1143         for (np = NULL, i = 0;
1144              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
1145              i++) {
1146                 struct resource r[3];
1147                 struct fs_uart_platform_info cpm_uart_data;
1148                 const int *id;
1149                 const char *model;
1150
1151                 memset(r, 0, sizeof(r));
1152                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
1153
1154                 ret = of_address_to_resource(np, 0, &r[0]);
1155                 if (ret)
1156                         goto err;
1157
1158                 r[0].name = smc_regs;
1159
1160                 ret = of_address_to_resource(np, 1, &r[1]);
1161                 if (ret)
1162                         goto err;
1163                 r[1].name = smc_pram;
1164
1165                 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1166                 r[2].flags = IORESOURCE_IRQ;
1167
1168                 cpm_uart_dev =
1169                     platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
1170
1171                 if (IS_ERR(cpm_uart_dev)) {
1172                         ret = PTR_ERR(cpm_uart_dev);
1173                         goto err;
1174                 }
1175
1176                 model = of_get_property(np, "model", NULL);
1177                 strcpy(cpm_uart_data.fs_type, model);
1178
1179                 id = of_get_property(np, "device-id", NULL);
1180                 cpm_uart_data.fs_no = *id;
1181                 cpm_uart_data.uart_clk = ppc_proc_freq;
1182
1183                 cpm_uart_data.tx_num_fifo = 4;
1184                 cpm_uart_data.tx_buf_size = 32;
1185                 cpm_uart_data.rx_num_fifo = 4;
1186                 cpm_uart_data.rx_buf_size = 32;
1187
1188                 ret =
1189                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
1190                                              sizeof(struct
1191                                                     fs_uart_platform_info));
1192                 if (ret)
1193                         goto unreg;
1194         }
1195
1196         return 0;
1197
1198 unreg:
1199         platform_device_unregister(cpm_uart_dev);
1200 err:
1201         return ret;
1202 }
1203
1204 arch_initcall(cpm_smc_uart_of_init);
1205
1206 #endif /* CONFIG_8xx */
1207
1208 int __init fsl_spi_init(struct spi_board_info *board_infos,
1209                         unsigned int num_board_infos,
1210                         void (*activate_cs)(u8 cs, u8 polarity),
1211                         void (*deactivate_cs)(u8 cs, u8 polarity))
1212 {
1213         struct device_node *np;
1214         unsigned int i;
1215         const u32 *sysclk;
1216
1217         np = of_find_node_by_type(NULL, "qe");
1218         if (!np)
1219                 return -ENODEV;
1220
1221         sysclk = of_get_property(np, "bus-frequency", NULL);
1222         if (!sysclk)
1223                 return -ENODEV;
1224
1225         for (np = NULL, i = 1;
1226              (np = of_find_compatible_node(np, "spi", "fsl_spi")) != NULL;
1227              i++) {
1228                 int ret = 0;
1229                 unsigned int j;
1230                 const void *prop;
1231                 struct resource res[2];
1232                 struct platform_device *pdev;
1233                 struct fsl_spi_platform_data pdata = {
1234                         .activate_cs = activate_cs,
1235                         .deactivate_cs = deactivate_cs,
1236                 };
1237
1238                 memset(res, 0, sizeof(res));
1239
1240                 pdata.sysclk = *sysclk;
1241
1242                 prop = of_get_property(np, "reg", NULL);
1243                 if (!prop)
1244                         goto err;
1245                 pdata.bus_num = *(u32 *)prop;
1246
1247                 prop = of_get_property(np, "mode", NULL);
1248                 if (prop && !strcmp(prop, "cpu-qe"))
1249                         pdata.qe_mode = 1;
1250
1251                 for (j = 0; j < num_board_infos; j++) {
1252                         if (board_infos[j].bus_num == pdata.bus_num)
1253                                 pdata.max_chipselect++;
1254                 }
1255
1256                 if (!pdata.max_chipselect)
1257                         goto err;
1258
1259                 ret = of_address_to_resource(np, 0, &res[0]);
1260                 if (ret)
1261                         goto err;
1262
1263                 ret = of_irq_to_resource(np, 0, &res[1]);
1264                 if (ret == NO_IRQ)
1265                         goto err;
1266
1267                 pdev = platform_device_alloc("mpc83xx_spi", i);
1268                 if (!pdev)
1269                         goto err;
1270
1271                 ret = platform_device_add_data(pdev, &pdata, sizeof(pdata));
1272                 if (ret)
1273                         goto unreg;
1274
1275                 ret = platform_device_add_resources(pdev, res,
1276                                                     ARRAY_SIZE(res));
1277                 if (ret)
1278                         goto unreg;
1279
1280                 ret = platform_device_register(pdev);
1281                 if (ret)
1282                         goto unreg;
1283
1284                 continue;
1285 unreg:
1286                 platform_device_del(pdev);
1287 err:
1288                 continue;
1289         }
1290
1291         return spi_register_board_info(board_infos, num_board_infos);
1292 }