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         {"dallas,ds1307",  "rtc-ds1307",  "ds1307",},
 335         {"dallas,ds1337",  "rtc-ds1307",  "ds1337",},
 336         {"dallas,ds1338",  "rtc-ds1307",  "ds1338",},
 337         {"dallas,ds1339",  "rtc-ds1307",  "ds1339",},
 338         {"dallas,ds1340",  "rtc-ds1307",  "ds1340",},
 339         {"stm,m41t00",     "rtc-ds1307",  "m41t00"},
 340 };
 341
 342 static int __init of_find_i2c_driver(struct device_node *node,
 343                                      struct i2c_board_info *info)
 344 {
 345         int i;
 346
 347         for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
 348                 if (!of_device_is_compatible(node, i2c_devices[i].of_device))
 349                         continue;
 350                 if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
 351                             KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
 352                     strlcpy(info->type, i2c_devices[i].i2c_type,
 353                             I2C_NAME_SIZE) >= I2C_NAME_SIZE)
 354                         return -ENOMEM;
 355                 return 0;
 356         }
 357         return -ENODEV;
 358 }
 359
 360 static void __init of_register_i2c_devices(struct device_node *adap_node,
 361                                            int bus_num)
 362 {
 363         struct device_node *node = NULL;
 364
 365         while ((node = of_get_next_child(adap_node, node))) {
 366                 struct i2c_board_info info = {};
 367                 const u32 *addr;
 368                 int len;
 369
 370                 addr = of_get_property(node, "reg", &len);
 371                 if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
 372                         printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n");
 373                         continue;
 374                 }
 375
 376                 info.irq = irq_of_parse_and_map(node, 0);
 377                 if (info.irq == NO_IRQ)
 378                         info.irq = -1;
 379
 380                 if (of_find_i2c_driver(node, &info) < 0)
 381                         continue;
 382
 383                 info.addr = *addr;
 384
 385                 i2c_register_board_info(bus_num, &info, 1);
 386         }
 387 }
 388
 389 static int __init fsl_i2c_of_init(void)
 390 {
 391         struct device_node *np;
 392         unsigned int i;
 393         struct platform_device *i2c_dev;
 394         int ret;
 395
 396         for (np = NULL, i = 0;
 397              (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
 398              i++) {
 399                 struct resource r[2];
 400                 struct fsl_i2c_platform_data i2c_data;
 401                 const unsigned char *flags = NULL;
 402
 403                 memset(&r, 0, sizeof(r));
 404                 memset(&i2c_data, 0, sizeof(i2c_data));
 405
 406                 ret = of_address_to_resource(np, 0, &r[0]);
 407                 if (ret)
 408                         goto err;
 409
 410                 of_irq_to_resource(np, 0, &r[1]);
 411
 412                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 413                 if (IS_ERR(i2c_dev)) {
 414                         ret = PTR_ERR(i2c_dev);
 415                         goto err;
 416                 }
 417
 418                 i2c_data.device_flags = 0;
 419                 flags = of_get_property(np, "dfsrr", NULL);
 420                 if (flags)
 421                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 422
 423                 flags = of_get_property(np, "fsl5200-clocking", NULL);
 424                 if (flags)
 425                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
 426
 427                 ret =
 428                     platform_device_add_data(i2c_dev, &i2c_data,
 429                                              sizeof(struct
 430                                                     fsl_i2c_platform_data));
 431                 if (ret)
 432                         goto unreg;
 433
 434                 of_register_i2c_devices(np, i);
 435         }
 436
 437         return 0;
 438
 439 unreg:
 440         platform_device_unregister(i2c_dev);
 441 err:
 442         return ret;
 443 }
 444
 445 arch_initcall(fsl_i2c_of_init);
 446 #endif
 447
 448 #ifdef CONFIG_PPC_83xx
 449 static int __init mpc83xx_wdt_init(void)
 450 {
 451         struct resource r;
 452         struct device_node *soc, *np;
 453         struct platform_device *dev;
 454         const unsigned int *freq;
 455         int ret;
 456
 457         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 458
 459         if (!np) {
 460                 ret = -ENODEV;
 461                 goto nodev;
 462         }
 463
 464         soc = of_find_node_by_type(NULL, "soc");
 465
 466         if (!soc) {
 467                 ret = -ENODEV;
 468                 goto nosoc;
 469         }
 470
 471         freq = of_get_property(soc, "bus-frequency", NULL);
 472         if (!freq) {
 473                 ret = -ENODEV;
 474                 goto err;
 475         }
 476
 477         memset(&r, 0, sizeof(r));
 478
 479         ret = of_address_to_resource(np, 0, &r);
 480         if (ret)
 481                 goto err;
 482
 483         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 484         if (IS_ERR(dev)) {
 485                 ret = PTR_ERR(dev);
 486                 goto err;
 487         }
 488
 489         ret = platform_device_add_data(dev, freq, sizeof(int));
 490         if (ret)
 491                 goto unreg;
 492
 493         of_node_put(soc);
 494         of_node_put(np);
 495
 496         return 0;
 497
 498 unreg:
 499         platform_device_unregister(dev);
 500 err:
 501         of_node_put(soc);
 502 nosoc:
 503         of_node_put(np);
 504 nodev:
 505         return ret;
 506 }
 507
 508 arch_initcall(mpc83xx_wdt_init);
 509 #endif
 510
 511 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 512 {
 513         if (!phy_type)
 514                 return FSL_USB2_PHY_NONE;
 515         if (!strcasecmp(phy_type, "ulpi"))
 516                 return FSL_USB2_PHY_ULPI;
 517         if (!strcasecmp(phy_type, "utmi"))
 518                 return FSL_USB2_PHY_UTMI;
 519         if (!strcasecmp(phy_type, "utmi_wide"))
 520                 return FSL_USB2_PHY_UTMI_WIDE;
 521         if (!strcasecmp(phy_type, "serial"))
 522                 return FSL_USB2_PHY_SERIAL;
 523
 524         return FSL_USB2_PHY_NONE;
 525 }
 526
 527 static int __init fsl_usb_of_init(void)
 528 {
 529         struct device_node *np;
 530         unsigned int i;
 531         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
 532                 *usb_dev_dr_client = NULL;
 533         int ret;
 534
 535         for (np = NULL, i = 0;
 536              (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
 537              i++) {
 538                 struct resource r[2];
 539                 struct fsl_usb2_platform_data usb_data;
 540                 const unsigned char *prop = NULL;
 541
 542                 memset(&r, 0, sizeof(r));
 543                 memset(&usb_data, 0, sizeof(usb_data));
 544
 545                 ret = of_address_to_resource(np, 0, &r[0]);
 546                 if (ret)
 547                         goto err;
 548
 549                 of_irq_to_resource(np, 0, &r[1]);
 550
 551                 usb_dev_mph =
 552                     platform_device_register_simple("fsl-ehci", i, r, 2);
 553                 if (IS_ERR(usb_dev_mph)) {
 554                         ret = PTR_ERR(usb_dev_mph);
 555                         goto err;
 556                 }
 557
 558                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 559                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
 560
 561                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
 562
 563                 prop = of_get_property(np, "port0", NULL);
 564                 if (prop)
 565                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
 566
 567                 prop = of_get_property(np, "port1", NULL);
 568                 if (prop)
 569                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
 570
 571                 prop = of_get_property(np, "phy_type", NULL);
 572                 usb_data.phy_mode = determine_usb_phy(prop);
 573
 574                 ret =
 575                     platform_device_add_data(usb_dev_mph, &usb_data,
 576                                              sizeof(struct
 577                                                     fsl_usb2_platform_data));
 578                 if (ret)
 579                         goto unreg_mph;
 580         }
 581
 582         for (np = NULL;
 583              (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
 584              i++) {
 585                 struct resource r[2];
 586                 struct fsl_usb2_platform_data usb_data;
 587                 const unsigned char *prop = NULL;
 588
 589                 memset(&r, 0, sizeof(r));
 590                 memset(&usb_data, 0, sizeof(usb_data));
 591
 592                 ret = of_address_to_resource(np, 0, &r[0]);
 593                 if (ret)
 594                         goto unreg_mph;
 595
 596                 of_irq_to_resource(np, 0, &r[1]);
 597
 598                 prop = of_get_property(np, "dr_mode", NULL);
 599
 600                 if (!prop || !strcmp(prop, "host")) {
 601                         usb_data.operating_mode = FSL_USB2_DR_HOST;
 602                         usb_dev_dr_host = platform_device_register_simple(
 603                                         "fsl-ehci", i, r, 2);
 604                         if (IS_ERR(usb_dev_dr_host)) {
 605                                 ret = PTR_ERR(usb_dev_dr_host);
 606                                 goto err;
 607                         }
 608                 } else if (prop && !strcmp(prop, "peripheral")) {
 609                         usb_data.operating_mode = FSL_USB2_DR_DEVICE;
 610                         usb_dev_dr_client = platform_device_register_simple(
 611                                         "fsl-usb2-udc", i, r, 2);
 612                         if (IS_ERR(usb_dev_dr_client)) {
 613                                 ret = PTR_ERR(usb_dev_dr_client);
 614                                 goto err;
 615                         }
 616                 } else if (prop && !strcmp(prop, "otg")) {
 617                         usb_data.operating_mode = FSL_USB2_DR_OTG;
 618                         usb_dev_dr_host = platform_device_register_simple(
 619                                         "fsl-ehci", i, r, 2);
 620                         if (IS_ERR(usb_dev_dr_host)) {
 621                                 ret = PTR_ERR(usb_dev_dr_host);
 622                                 goto err;
 623                         }
 624                         usb_dev_dr_client = platform_device_register_simple(
 625                                         "fsl-usb2-udc", i, r, 2);
 626                         if (IS_ERR(usb_dev_dr_client)) {
 627                                 ret = PTR_ERR(usb_dev_dr_client);
 628                                 goto err;
 629                         }
 630                 } else {
 631                         ret = -EINVAL;
 632                         goto err;
 633                 }
 634
 635                 prop = of_get_property(np, "phy_type", NULL);
 636                 usb_data.phy_mode = determine_usb_phy(prop);
 637
 638                 if (usb_dev_dr_host) {
 639                         usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
 640                         usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
 641                                 dev.coherent_dma_mask;
 642                         if ((ret = platform_device_add_data(usb_dev_dr_host,
 643                                                 &usb_data, sizeof(struct
 644                                                 fsl_usb2_platform_data))))
 645                                 goto unreg_dr;
 646                 }
 647                 if (usb_dev_dr_client) {
 648                         usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
 649                         usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
 650                                 dev.coherent_dma_mask;
 651                         if ((ret = platform_device_add_data(usb_dev_dr_client,
 652                                                 &usb_data, sizeof(struct
 653                                                 fsl_usb2_platform_data))))
 654                                 goto unreg_dr;
 655                 }
 656         }
 657         return 0;
 658
 659 unreg_dr:
 660         if (usb_dev_dr_host)
 661                 platform_device_unregister(usb_dev_dr_host);
 662         if (usb_dev_dr_client)
 663                 platform_device_unregister(usb_dev_dr_client);
 664 unreg_mph:
 665         if (usb_dev_mph)
 666                 platform_device_unregister(usb_dev_mph);
 667 err:
 668         return ret;
 669 }
 670
 671 arch_initcall(fsl_usb_of_init);
 672
 673 #ifndef CONFIG_PPC_CPM_NEW_BINDING
 674 #ifdef CONFIG_CPM2
 675
 676 extern void init_scc_ioports(struct fs_uart_platform_info*);
 677
 678 static const char fcc_regs[] = "fcc_regs";
 679 static const char fcc_regs_c[] = "fcc_regs_c";
 680 static const char fcc_pram[] = "fcc_pram";
 681 static char bus_id[9][BUS_ID_SIZE];
 682
 683 static int __init fs_enet_of_init(void)
 684 {
 685         struct device_node *np;
 686         unsigned int i;
 687         struct platform_device *fs_enet_dev;
 688         struct resource res;
 689         int ret;
 690
 691         for (np = NULL, i = 0;
 692              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 693              i++) {
 694                 struct resource r[4];
 695                 struct device_node *phy, *mdio;
 696                 struct fs_platform_info fs_enet_data;
 697                 const unsigned int *id, *phy_addr, *phy_irq;
 698                 const void *mac_addr;
 699                 const phandle *ph;
 700                 const char *model;
 701
 702                 memset(r, 0, sizeof(r));
 703                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 704
 705                 ret = of_address_to_resource(np, 0, &r[0]);
 706                 if (ret)
 707                         goto err;
 708                 r[0].name = fcc_regs;
 709
 710                 ret = of_address_to_resource(np, 1, &r[1]);
 711                 if (ret)
 712                         goto err;
 713                 r[1].name = fcc_pram;
 714
 715                 ret = of_address_to_resource(np, 2, &r[2]);
 716                 if (ret)
 717                         goto err;
 718                 r[2].name = fcc_regs_c;
 719                 fs_enet_data.fcc_regs_c = r[2].start;
 720
 721                 of_irq_to_resource(np, 0, &r[3]);
 722
 723                 fs_enet_dev =
 724                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
 725
 726                 if (IS_ERR(fs_enet_dev)) {
 727                         ret = PTR_ERR(fs_enet_dev);
 728                         goto err;
 729                 }
 730
 731                 model = of_get_property(np, "model", NULL);
 732                 if (model == NULL) {
 733                         ret = -ENODEV;
 734                         goto unreg;
 735                 }
 736
 737                 mac_addr = of_get_mac_address(np);
 738                 if (mac_addr)
 739                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
 740
 741                 ph = of_get_property(np, "phy-handle", NULL);
 742                 phy = of_find_node_by_phandle(*ph);
 743
 744                 if (phy == NULL) {
 745                         ret = -ENODEV;
 746                         goto unreg;
 747                 }
 748
 749                 phy_addr = of_get_property(phy, "reg", NULL);
 750                 fs_enet_data.phy_addr = *phy_addr;
 751
 752                 phy_irq = of_get_property(phy, "interrupts", NULL);
 753
 754                 id = of_get_property(np, "device-id", NULL);
 755                 fs_enet_data.fs_no = *id;
 756                 strcpy(fs_enet_data.fs_type, model);
 757
 758                 mdio = of_get_parent(phy);
 759                 ret = of_address_to_resource(mdio, 0, &res);
 760                 if (ret) {
 761                         of_node_put(phy);
 762                         of_node_put(mdio);
 763                         goto unreg;
 764                 }
 765
 766                 fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
 767                                                 "rx-clock", NULL));
 768                 fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
 769                                                 "tx-clock", NULL));
 770
 771                 if (strstr(model, "FCC")) {
 772                         int fcc_index = *id - 1;
 773                         const unsigned char *mdio_bb_prop;
 774
 775                         fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
 776                         fs_enet_data.rx_ring = 32;
 777                         fs_enet_data.tx_ring = 32;
 778                         fs_enet_data.rx_copybreak = 240;
 779                         fs_enet_data.use_napi = 0;
 780                         fs_enet_data.napi_weight = 17;
 781                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
 782                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
 783                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
 784
 785                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
 786                                                         (u32)res.start, fs_enet_data.phy_addr);
 787                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
 788                         fs_enet_data.init_ioports = init_fcc_ioports;
 789
 790                         mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
 791                         if (mdio_bb_prop) {
 792                                 struct platform_device *fs_enet_mdio_bb_dev;
 793                                 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
 794
 795                                 fs_enet_mdio_bb_dev =
 796                                         platform_device_register_simple("fsl-bb-mdio",
 797                                                         i, NULL, 0);
 798                                 memset(&fs_enet_mdio_bb_data, 0,
 799                                                 sizeof(struct fs_mii_bb_platform_info));
 800                                 fs_enet_mdio_bb_data.mdio_dat.bit =
 801                                         mdio_bb_prop[0];
 802                                 fs_enet_mdio_bb_data.mdio_dir.bit =
 803                                         mdio_bb_prop[1];
 804                                 fs_enet_mdio_bb_data.mdc_dat.bit =
 805                                         mdio_bb_prop[2];
 806                                 fs_enet_mdio_bb_data.mdio_port =
 807                                         mdio_bb_prop[3];
 808                                 fs_enet_mdio_bb_data.mdc_port =
 809                                         mdio_bb_prop[4];
 810                                 fs_enet_mdio_bb_data.delay =
 811                                         mdio_bb_prop[5];
 812
 813                                 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
 814                                 fs_enet_mdio_bb_data.irq[1] = -1;
 815                                 fs_enet_mdio_bb_data.irq[2] = -1;
 816                                 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
 817                                 fs_enet_mdio_bb_data.irq[31] = -1;
 818
 819                                 fs_enet_mdio_bb_data.mdio_dat.offset =
 820                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 821                                 fs_enet_mdio_bb_data.mdio_dir.offset =
 822                                         (u32)&cpm2_immr->im_ioport.iop_pdirc;
 823                                 fs_enet_mdio_bb_data.mdc_dat.offset =
 824                                         (u32)&cpm2_immr->im_ioport.iop_pdatc;
 825
 826                                 ret = platform_device_add_data(
 827                                                 fs_enet_mdio_bb_dev,
 828                                                 &fs_enet_mdio_bb_data,
 829                                                 sizeof(struct fs_mii_bb_platform_info));
 830                                 if (ret)
 831                                         goto unreg;
 832                         }
 833
 834                         of_node_put(phy);
 835                         of_node_put(mdio);
 836
 837                         ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
 838                                                      sizeof(struct
 839                                                             fs_platform_info));
 840                         if (ret)
 841                                 goto unreg;
 842                 }
 843         }
 844         return 0;
 845
 846 unreg:
 847         platform_device_unregister(fs_enet_dev);
 848 err:
 849         return ret;
 850 }
 851
 852 arch_initcall(fs_enet_of_init);
 853
 854 static const char scc_regs[] = "regs";
 855 static const char scc_pram[] = "pram";
 856
 857 static int __init cpm_uart_of_init(void)
 858 {
 859         struct device_node *np;
 860         unsigned int i;
 861         struct platform_device *cpm_uart_dev;
 862         int ret;
 863
 864         for (np = NULL, i = 0;
 865              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
 866              i++) {
 867                 struct resource r[3];
 868                 struct fs_uart_platform_info cpm_uart_data;
 869                 const int *id;
 870                 const char *model;
 871
 872                 memset(r, 0, sizeof(r));
 873                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
 874
 875                 ret = of_address_to_resource(np, 0, &r[0]);
 876                 if (ret)
 877                         goto err;
 878
 879                 r[0].name = scc_regs;
 880
 881                 ret = of_address_to_resource(np, 1, &r[1]);
 882                 if (ret)
 883                         goto err;
 884                 r[1].name = scc_pram;
 885
 886                 of_irq_to_resource(np, 0, &r[2]);
 887
 888                 cpm_uart_dev =
 889                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
 890
 891                 if (IS_ERR(cpm_uart_dev)) {
 892                         ret = PTR_ERR(cpm_uart_dev);
 893                         goto err;
 894                 }
 895
 896                 id = of_get_property(np, "device-id", NULL);
 897                 cpm_uart_data.fs_no = *id;
 898
 899                 model = of_get_property(np, "model", NULL);
 900                 strcpy(cpm_uart_data.fs_type, model);
 901
 902                 cpm_uart_data.uart_clk = ppc_proc_freq;
 903
 904                 cpm_uart_data.tx_num_fifo = 4;
 905                 cpm_uart_data.tx_buf_size = 32;
 906                 cpm_uart_data.rx_num_fifo = 4;
 907                 cpm_uart_data.rx_buf_size = 32;
 908                 cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
 909                                                 "rx-clock", NULL));
 910                 cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
 911                                                 "tx-clock", NULL));
 912
 913                 ret =
 914                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
 915                                              sizeof(struct
 916                                                     fs_uart_platform_info));
 917                 if (ret)
 918                         goto unreg;
 919         }
 920
 921         return 0;
 922
 923 unreg:
 924         platform_device_unregister(cpm_uart_dev);
 925 err:
 926         return ret;
 927 }
 928
 929 arch_initcall(cpm_uart_of_init);
 930 #endif /* CONFIG_CPM2 */
 931
 932 #ifdef CONFIG_8xx
 933
 934 extern void init_scc_ioports(struct fs_platform_info*);
 935 extern int platform_device_skip(const char *model, int id);
 936
 937 static int __init fs_enet_mdio_of_init(void)
 938 {
 939         struct device_node *np;
 940         unsigned int i;
 941         struct platform_device *mdio_dev;
 942         struct resource res;
 943         int ret;
 944
 945         for (np = NULL, i = 0;
 946              (np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
 947              i++) {
 948                 struct fs_mii_fec_platform_info mdio_data;
 949
 950                 memset(&res, 0, sizeof(res));
 951                 memset(&mdio_data, 0, sizeof(mdio_data));
 952
 953                 ret = of_address_to_resource(np, 0, &res);
 954                 if (ret)
 955                         goto err;
 956
 957                 mdio_dev =
 958                     platform_device_register_simple("fsl-cpm-fec-mdio",
 959                                                     res.start, &res, 1);
 960                 if (IS_ERR(mdio_dev)) {
 961                         ret = PTR_ERR(mdio_dev);
 962                         goto err;
 963                 }
 964
 965                 mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
 966
 967                 ret =
 968                     platform_device_add_data(mdio_dev, &mdio_data,
 969                                              sizeof(struct fs_mii_fec_platform_info));
 970                 if (ret)
 971                         goto unreg;
 972         }
 973         return 0;
 974
 975 unreg:
 976         platform_device_unregister(mdio_dev);
 977 err:
 978         return ret;
 979 }
 980
 981 arch_initcall(fs_enet_mdio_of_init);
 982
 983 static const char *enet_regs = "regs";
 984 static const char *enet_pram = "pram";
 985 static const char *enet_irq = "interrupt";
 986 static char bus_id[9][BUS_ID_SIZE];
 987
 988 static int __init fs_enet_of_init(void)
 989 {
 990         struct device_node *np;
 991         unsigned int i;
 992         struct platform_device *fs_enet_dev = NULL;
 993         struct resource res;
 994         int ret;
 995
 996         for (np = NULL, i = 0;
 997              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 998              i++) {
 999                 struct resource r[4];
1000                 struct device_node *phy = NULL, *mdio = NULL;
1001                 struct fs_platform_info fs_enet_data;
1002                 const unsigned int *id;
1003                 const unsigned int *phy_addr;
1004                 const void *mac_addr;
1005                 const phandle *ph;
1006                 const char *model;
1007
1008                 memset(r, 0, sizeof(r));
1009                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
1010
1011                 model = of_get_property(np, "model", NULL);
1012                 if (model == NULL) {
1013                         ret = -ENODEV;
1014                         goto unreg;
1015                 }
1016
1017                 id = of_get_property(np, "device-id", NULL);
1018                 fs_enet_data.fs_no = *id;
1019
1020                 if (platform_device_skip(model, *id))
1021                         continue;
1022
1023                 ret = of_address_to_resource(np, 0, &r[0]);
1024                 if (ret)
1025                         goto err;
1026                 r[0].name = enet_regs;
1027
1028                 mac_addr = of_get_mac_address(np);
1029                 if (mac_addr)
1030                         memcpy(fs_enet_data.macaddr, mac_addr, 6);
1031
1032                 ph = of_get_property(np, "phy-handle", NULL);
1033                 if (ph != NULL)
1034                         phy = of_find_node_by_phandle(*ph);
1035
1036                 if (phy != NULL) {
1037                         phy_addr = of_get_property(phy, "reg", NULL);
1038                         fs_enet_data.phy_addr = *phy_addr;
1039                         fs_enet_data.has_phy = 1;
1040
1041                         mdio = of_get_parent(phy);
1042                         ret = of_address_to_resource(mdio, 0, &res);
1043                         if (ret) {
1044                                 of_node_put(phy);
1045                                 of_node_put(mdio);
1046                                 goto unreg;
1047                         }
1048                 }
1049
1050                 model = of_get_property(np, "model", NULL);
1051                 strcpy(fs_enet_data.fs_type, model);
1052
1053                 if (strstr(model, "FEC")) {
1054                         r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
1055                         r[1].flags = IORESOURCE_IRQ;
1056                         r[1].name = enet_irq;
1057
1058                         fs_enet_dev =
1059                                     platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
1060
1061                         if (IS_ERR(fs_enet_dev)) {
1062                                 ret = PTR_ERR(fs_enet_dev);
1063                                 goto err;
1064                         }
1065
1066                         fs_enet_data.rx_ring = 128;
1067                         fs_enet_data.tx_ring = 16;
1068                         fs_enet_data.rx_copybreak = 240;
1069                         fs_enet_data.use_napi = 1;
1070                         fs_enet_data.napi_weight = 17;
1071
1072                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
1073                                                         (u32)res.start, fs_enet_data.phy_addr);
1074                         fs_enet_data.bus_id = (char*)&bus_id[i];
1075                         fs_enet_data.init_ioports = init_fec_ioports;
1076                 }
1077                 if (strstr(model, "SCC")) {
1078                         ret = of_address_to_resource(np, 1, &r[1]);
1079                         if (ret)
1080                                 goto err;
1081                         r[1].name = enet_pram;
1082
1083                         r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1084                         r[2].flags = IORESOURCE_IRQ;
1085                         r[2].name = enet_irq;
1086
1087                         fs_enet_dev =
1088                                     platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
1089
1090                         if (IS_ERR(fs_enet_dev)) {
1091                                 ret = PTR_ERR(fs_enet_dev);
1092                                 goto err;
1093                         }
1094
1095                         fs_enet_data.rx_ring = 64;
1096                         fs_enet_data.tx_ring = 8;
1097                         fs_enet_data.rx_copybreak = 240;
1098                         fs_enet_data.use_napi = 1;
1099                         fs_enet_data.napi_weight = 17;
1100
1101                         snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
1102                         fs_enet_data.bus_id = (char*)&bus_id[i];
1103                         fs_enet_data.init_ioports = init_scc_ioports;
1104                 }
1105
1106                 of_node_put(phy);
1107                 of_node_put(mdio);
1108
1109                 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
1110                                              sizeof(struct
1111                                                     fs_platform_info));
1112                 if (ret)
1113                         goto unreg;
1114         }
1115         return 0;
1116
1117 unreg:
1118         platform_device_unregister(fs_enet_dev);
1119 err:
1120         return ret;
1121 }
1122
1123 arch_initcall(fs_enet_of_init);
1124
1125 static int __init fsl_pcmcia_of_init(void)
1126 {
1127         struct device_node *np = NULL;
1128         /*
1129          * Register all the devices which type is "pcmcia"
1130          */
1131         while ((np = of_find_compatible_node(np,
1132                         "pcmcia", "fsl,pq-pcmcia")) != NULL)
1133                             of_platform_device_create(np, "m8xx-pcmcia", NULL);
1134         return 0;
1135 }
1136
1137 arch_initcall(fsl_pcmcia_of_init);
1138
1139 static const char *smc_regs = "regs";
1140 static const char *smc_pram = "pram";
1141
1142 static int __init cpm_smc_uart_of_init(void)
1143 {
1144         struct device_node *np;
1145         unsigned int i;
1146         struct platform_device *cpm_uart_dev;
1147         int ret;
1148
1149         for (np = NULL, i = 0;
1150              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
1151              i++) {
1152                 struct resource r[3];
1153                 struct fs_uart_platform_info cpm_uart_data;
1154                 const int *id;
1155                 const char *model;
1156
1157                 memset(r, 0, sizeof(r));
1158                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
1159
1160                 ret = of_address_to_resource(np, 0, &r[0]);
1161                 if (ret)
1162                         goto err;
1163
1164                 r[0].name = smc_regs;
1165
1166                 ret = of_address_to_resource(np, 1, &r[1]);
1167                 if (ret)
1168                         goto err;
1169                 r[1].name = smc_pram;
1170
1171                 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
1172                 r[2].flags = IORESOURCE_IRQ;
1173
1174                 cpm_uart_dev =
1175                     platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
1176
1177                 if (IS_ERR(cpm_uart_dev)) {
1178                         ret = PTR_ERR(cpm_uart_dev);
1179                         goto err;
1180                 }
1181
1182                 model = of_get_property(np, "model", NULL);
1183                 strcpy(cpm_uart_data.fs_type, model);
1184
1185                 id = of_get_property(np, "device-id", NULL);
1186                 cpm_uart_data.fs_no = *id;
1187                 cpm_uart_data.uart_clk = ppc_proc_freq;
1188
1189                 cpm_uart_data.tx_num_fifo = 4;
1190                 cpm_uart_data.tx_buf_size = 32;
1191                 cpm_uart_data.rx_num_fifo = 4;
1192                 cpm_uart_data.rx_buf_size = 32;
1193
1194                 ret =
1195                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
1196                                              sizeof(struct
1197                                                     fs_uart_platform_info));
1198                 if (ret)
1199                         goto unreg;
1200         }
1201
1202         return 0;
1203
1204 unreg:
1205         platform_device_unregister(cpm_uart_dev);
1206 err:
1207         return ret;
1208 }
1209
1210 arch_initcall(cpm_smc_uart_of_init);
1211
1212 #endif /* CONFIG_8xx */
1213 #endif /* CONFIG_PPC_CPM_NEW_BINDING */
1214
1215 int __init fsl_spi_init(struct spi_board_info *board_infos,
1216                         unsigned int num_board_infos,
1217                         void (*activate_cs)(u8 cs, u8 polarity),
1218                         void (*deactivate_cs)(u8 cs, u8 polarity))
1219 {
1220         struct device_node *np;
1221         unsigned int i;
1222         const u32 *sysclk;
1223
1224         np = of_find_node_by_type(NULL, "qe");
1225         if (!np)
1226                 return -ENODEV;
1227
1228         sysclk = of_get_property(np, "bus-frequency", NULL);
1229         if (!sysclk)
1230                 return -ENODEV;
1231
1232         for (np = NULL, i = 1;
1233              (np = of_find_compatible_node(np, "spi", "fsl_spi")) != NULL;
1234              i++) {
1235                 int ret = 0;
1236                 unsigned int j;
1237                 const void *prop;
1238                 struct resource res[2];
1239                 struct platform_device *pdev;
1240                 struct fsl_spi_platform_data pdata = {
1241                         .activate_cs = activate_cs,
1242                         .deactivate_cs = deactivate_cs,
1243                 };
1244
1245                 memset(res, 0, sizeof(res));
1246
1247                 pdata.sysclk = *sysclk;
1248
1249                 prop = of_get_property(np, "reg", NULL);
1250                 if (!prop)
1251                         goto err;
1252                 pdata.bus_num = *(u32 *)prop;
1253
1254                 prop = of_get_property(np, "mode", NULL);
1255                 if (prop && !strcmp(prop, "cpu-qe"))
1256                         pdata.qe_mode = 1;
1257
1258                 for (j = 0; j < num_board_infos; j++) {
1259                         if (board_infos[j].bus_num == pdata.bus_num)
1260                                 pdata.max_chipselect++;
1261                 }
1262
1263                 if (!pdata.max_chipselect)
1264                         goto err;
1265
1266                 ret = of_address_to_resource(np, 0, &res[0]);
1267                 if (ret)
1268                         goto err;
1269
1270                 ret = of_irq_to_resource(np, 0, &res[1]);
1271                 if (ret == NO_IRQ)
1272                         goto err;
1273
1274                 pdev = platform_device_alloc("mpc83xx_spi", i);
1275                 if (!pdev)
1276                         goto err;
1277
1278                 ret = platform_device_add_data(pdev, &pdata, sizeof(pdata));
1279                 if (ret)
1280                         goto unreg;
1281
1282                 ret = platform_device_add_resources(pdev, res,
1283                                                     ARRAY_SIZE(res));
1284                 if (ret)
1285                         goto unreg;
1286
1287                 ret = platform_device_register(pdev);
1288                 if (ret)
1289                         goto unreg;
1290
1291                 continue;
1292 unreg:
1293                 platform_device_del(pdev);
1294 err:
1295                 continue;
1296         }
1297
1298         return spi_register_board_info(board_infos, num_board_infos);
1299 }