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/fsl_devices.h>
  26 #include <linux/fs_enet_pd.h>
  27 #include <linux/fs_uart_pd.h>
  28
  29 #include <asm/system.h>
  30 #include <asm/atomic.h>
  31 #include <asm/io.h>
  32 #include <asm/irq.h>
  33 #include <asm/time.h>
  34 #include <asm/prom.h>
  35 #include <sysdev/fsl_soc.h>
  36 #include <mm/mmu_decl.h>
  37 #include <asm/cpm2.h>
  38
  39 static phys_addr_t immrbase = -1;
  40
  41 phys_addr_t get_immrbase(void)
  42 {
  43         struct device_node *soc;
  44
  45         if (immrbase != -1)
  46                 return immrbase;
  47
  48         soc = of_find_node_by_type(NULL, "soc");
  49         if (soc) {
  50                 unsigned int size;
  51                 const void *prop = get_property(soc, "reg", &size);
  52
  53                 if (prop)
  54                         immrbase = of_translate_address(soc, prop);
  55                 of_node_put(soc);
  56         };
  57
  58         return immrbase;
  59 }
  60
  61 EXPORT_SYMBOL(get_immrbase);
  62
  63 #ifdef CONFIG_CPM2
  64
  65 static u32 brgfreq = -1;
  66
  67 u32 get_brgfreq(void)
  68 {
  69         struct device_node *node;
  70
  71         if (brgfreq != -1)
  72                 return brgfreq;
  73
  74         node = of_find_node_by_type(NULL, "cpm");
  75         if (node) {
  76                 unsigned int size;
  77                 const unsigned int *prop = get_property(node, "brg-frequency",
  78                                         &size);
  79
  80                 if (prop)
  81                         brgfreq = *prop;
  82                 of_node_put(node);
  83         };
  84
  85         return brgfreq;
  86 }
  87
  88 EXPORT_SYMBOL(get_brgfreq);
  89
  90 static u32 fs_baudrate = -1;
  91
  92 u32 get_baudrate(void)
  93 {
  94         struct device_node *node;
  95
  96         if (fs_baudrate != -1)
  97                 return fs_baudrate;
  98
  99         node = of_find_node_by_type(NULL, "serial");
 100         if (node) {
 101                 unsigned int size;
 102                 const unsigned int *prop = get_property(node, "current-speed",
 103                                 &size);
 104
 105                 if (prop)
 106                         fs_baudrate = *prop;
 107                 of_node_put(node);
 108         };
 109
 110         return fs_baudrate;
 111 }
 112
 113 EXPORT_SYMBOL(get_baudrate);
 114 #endif /* CONFIG_CPM2 */
 115
 116 static int __init gfar_mdio_of_init(void)
 117 {
 118         struct device_node *np;
 119         unsigned int i;
 120         struct platform_device *mdio_dev;
 121         struct resource res;
 122         int ret;
 123
 124         for (np = NULL, i = 0;
 125              (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
 126              i++) {
 127                 int k;
 128                 struct device_node *child = NULL;
 129                 struct gianfar_mdio_data mdio_data;
 130
 131                 memset(&res, 0, sizeof(res));
 132                 memset(&mdio_data, 0, sizeof(mdio_data));
 133
 134                 ret = of_address_to_resource(np, 0, &res);
 135                 if (ret)
 136                         goto err;
 137
 138                 mdio_dev =
 139                     platform_device_register_simple("fsl-gianfar_mdio",
 140                                                     res.start, &res, 1);
 141                 if (IS_ERR(mdio_dev)) {
 142                         ret = PTR_ERR(mdio_dev);
 143                         goto err;
 144                 }
 145
 146                 for (k = 0; k < 32; k++)
 147                         mdio_data.irq[k] = -1;
 148
 149                 while ((child = of_get_next_child(np, child)) != NULL) {
 150                         int irq = irq_of_parse_and_map(child, 0);
 151                         if (irq != NO_IRQ) {
 152                                 const u32 *id = get_property(child, "reg", NULL);
 153                                 mdio_data.irq[*id] = irq;
 154                         }
 155                 }
 156
 157                 ret =
 158                     platform_device_add_data(mdio_dev, &mdio_data,
 159                                              sizeof(struct gianfar_mdio_data));
 160                 if (ret)
 161                         goto unreg;
 162         }
 163
 164         return 0;
 165
 166 unreg:
 167         platform_device_unregister(mdio_dev);
 168 err:
 169         return ret;
 170 }
 171
 172 arch_initcall(gfar_mdio_of_init);
 173
 174 static const char *gfar_tx_intr = "tx";
 175 static const char *gfar_rx_intr = "rx";
 176 static const char *gfar_err_intr = "error";
 177
 178 static int __init gfar_of_init(void)
 179 {
 180         struct device_node *np;
 181         unsigned int i;
 182         struct platform_device *gfar_dev;
 183         struct resource res;
 184         int ret;
 185
 186         for (np = NULL, i = 0;
 187              (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
 188              i++) {
 189                 struct resource r[4];
 190                 struct device_node *phy, *mdio;
 191                 struct gianfar_platform_data gfar_data;
 192                 const unsigned int *id;
 193                 const char *model;
 194                 const void *mac_addr;
 195                 const phandle *ph;
 196                 int n_res = 2;
 197
 198                 memset(r, 0, sizeof(r));
 199                 memset(&gfar_data, 0, sizeof(gfar_data));
 200
 201                 ret = of_address_to_resource(np, 0, &r[0]);
 202                 if (ret)
 203                         goto err;
 204
 205                 r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
 206                 r[1].flags = IORESOURCE_IRQ;
 207
 208                 model = get_property(np, "model", NULL);
 209
 210                 /* If we aren't the FEC we have multiple interrupts */
 211                 if (model && strcasecmp(model, "FEC")) {
 212                         r[1].name = gfar_tx_intr;
 213
 214                         r[2].name = gfar_rx_intr;
 215                         r[2].start = r[2].end = irq_of_parse_and_map(np, 1);
 216                         r[2].flags = IORESOURCE_IRQ;
 217
 218                         r[3].name = gfar_err_intr;
 219                         r[3].start = r[3].end = irq_of_parse_and_map(np, 2);
 220                         r[3].flags = IORESOURCE_IRQ;
 221
 222                         n_res += 2;
 223                 }
 224
 225                 gfar_dev =
 226                     platform_device_register_simple("fsl-gianfar", i, &r[0],
 227                                                     n_res);
 228
 229                 if (IS_ERR(gfar_dev)) {
 230                         ret = PTR_ERR(gfar_dev);
 231                         goto err;
 232                 }
 233
 234                 mac_addr = get_property(np, "local-mac-address", NULL);
 235                 if (mac_addr == NULL)
 236                         mac_addr = get_property(np, "mac-address", NULL);
 237                 if (mac_addr == NULL) {
 238                         /* Obsolete */
 239                         mac_addr = get_property(np, "address", NULL);
 240                 }
 241
 242                 if (mac_addr)
 243                         memcpy(gfar_data.mac_addr, mac_addr, 6);
 244
 245                 if (model && !strcasecmp(model, "TSEC"))
 246                         gfar_data.device_flags =
 247                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 248                             FSL_GIANFAR_DEV_HAS_COALESCE |
 249                             FSL_GIANFAR_DEV_HAS_RMON |
 250                             FSL_GIANFAR_DEV_HAS_MULTI_INTR;
 251                 if (model && !strcasecmp(model, "eTSEC"))
 252                         gfar_data.device_flags =
 253                             FSL_GIANFAR_DEV_HAS_GIGABIT |
 254                             FSL_GIANFAR_DEV_HAS_COALESCE |
 255                             FSL_GIANFAR_DEV_HAS_RMON |
 256                             FSL_GIANFAR_DEV_HAS_MULTI_INTR |
 257                             FSL_GIANFAR_DEV_HAS_CSUM |
 258                             FSL_GIANFAR_DEV_HAS_VLAN |
 259                             FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
 260
 261                 ph = get_property(np, "phy-handle", NULL);
 262                 phy = of_find_node_by_phandle(*ph);
 263
 264                 if (phy == NULL) {
 265                         ret = -ENODEV;
 266                         goto unreg;
 267                 }
 268
 269                 mdio = of_get_parent(phy);
 270
 271                 id = get_property(phy, "reg", NULL);
 272                 ret = of_address_to_resource(mdio, 0, &res);
 273                 if (ret) {
 274                         of_node_put(phy);
 275                         of_node_put(mdio);
 276                         goto unreg;
 277                 }
 278
 279                 gfar_data.phy_id = *id;
 280                 gfar_data.bus_id = res.start;
 281
 282                 of_node_put(phy);
 283                 of_node_put(mdio);
 284
 285                 ret =
 286                     platform_device_add_data(gfar_dev, &gfar_data,
 287                                              sizeof(struct
 288                                                     gianfar_platform_data));
 289                 if (ret)
 290                         goto unreg;
 291         }
 292
 293         return 0;
 294
 295 unreg:
 296         platform_device_unregister(gfar_dev);
 297 err:
 298         return ret;
 299 }
 300
 301 arch_initcall(gfar_of_init);
 302
 303 static int __init fsl_i2c_of_init(void)
 304 {
 305         struct device_node *np;
 306         unsigned int i;
 307         struct platform_device *i2c_dev;
 308         int ret;
 309
 310         for (np = NULL, i = 0;
 311              (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
 312              i++) {
 313                 struct resource r[2];
 314                 struct fsl_i2c_platform_data i2c_data;
 315                 const unsigned char *flags = NULL;
 316
 317                 memset(&r, 0, sizeof(r));
 318                 memset(&i2c_data, 0, sizeof(i2c_data));
 319
 320                 ret = of_address_to_resource(np, 0, &r[0]);
 321                 if (ret)
 322                         goto err;
 323
 324                 r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
 325                 r[1].flags = IORESOURCE_IRQ;
 326
 327                 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 328                 if (IS_ERR(i2c_dev)) {
 329                         ret = PTR_ERR(i2c_dev);
 330                         goto err;
 331                 }
 332
 333                 i2c_data.device_flags = 0;
 334                 flags = get_property(np, "dfsrr", NULL);
 335                 if (flags)
 336                         i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 337
 338                 flags = get_property(np, "fsl5200-clocking", NULL);
 339                 if (flags)
 340                         i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
 341
 342                 ret =
 343                     platform_device_add_data(i2c_dev, &i2c_data,
 344                                              sizeof(struct
 345                                                     fsl_i2c_platform_data));
 346                 if (ret)
 347                         goto unreg;
 348         }
 349
 350         return 0;
 351
 352 unreg:
 353         platform_device_unregister(i2c_dev);
 354 err:
 355         return ret;
 356 }
 357
 358 arch_initcall(fsl_i2c_of_init);
 359
 360 #ifdef CONFIG_PPC_83xx
 361 static int __init mpc83xx_wdt_init(void)
 362 {
 363         struct resource r;
 364         struct device_node *soc, *np;
 365         struct platform_device *dev;
 366         const unsigned int *freq;
 367         int ret;
 368
 369         np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 370
 371         if (!np) {
 372                 ret = -ENODEV;
 373                 goto nodev;
 374         }
 375
 376         soc = of_find_node_by_type(NULL, "soc");
 377
 378         if (!soc) {
 379                 ret = -ENODEV;
 380                 goto nosoc;
 381         }
 382
 383         freq = get_property(soc, "bus-frequency", NULL);
 384         if (!freq) {
 385                 ret = -ENODEV;
 386                 goto err;
 387         }
 388
 389         memset(&r, 0, sizeof(r));
 390
 391         ret = of_address_to_resource(np, 0, &r);
 392         if (ret)
 393                 goto err;
 394
 395         dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 396         if (IS_ERR(dev)) {
 397                 ret = PTR_ERR(dev);
 398                 goto err;
 399         }
 400
 401         ret = platform_device_add_data(dev, freq, sizeof(int));
 402         if (ret)
 403                 goto unreg;
 404
 405         of_node_put(soc);
 406         of_node_put(np);
 407
 408         return 0;
 409
 410 unreg:
 411         platform_device_unregister(dev);
 412 err:
 413         of_node_put(soc);
 414 nosoc:
 415         of_node_put(np);
 416 nodev:
 417         return ret;
 418 }
 419
 420 arch_initcall(mpc83xx_wdt_init);
 421 #endif
 422
 423 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 424 {
 425         if (!phy_type)
 426                 return FSL_USB2_PHY_NONE;
 427         if (!strcasecmp(phy_type, "ulpi"))
 428                 return FSL_USB2_PHY_ULPI;
 429         if (!strcasecmp(phy_type, "utmi"))
 430                 return FSL_USB2_PHY_UTMI;
 431         if (!strcasecmp(phy_type, "utmi_wide"))
 432                 return FSL_USB2_PHY_UTMI_WIDE;
 433         if (!strcasecmp(phy_type, "serial"))
 434                 return FSL_USB2_PHY_SERIAL;
 435
 436         return FSL_USB2_PHY_NONE;
 437 }
 438
 439 static int __init fsl_usb_of_init(void)
 440 {
 441         struct device_node *np;
 442         unsigned int i;
 443         struct platform_device *usb_dev_mph = NULL, *usb_dev_dr = NULL;
 444         int ret;
 445
 446         for (np = NULL, i = 0;
 447              (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
 448              i++) {
 449                 struct resource r[2];
 450                 struct fsl_usb2_platform_data usb_data;
 451                 const unsigned char *prop = NULL;
 452
 453                 memset(&r, 0, sizeof(r));
 454                 memset(&usb_data, 0, sizeof(usb_data));
 455
 456                 ret = of_address_to_resource(np, 0, &r[0]);
 457                 if (ret)
 458                         goto err;
 459
 460                 r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
 461                 r[1].flags = IORESOURCE_IRQ;
 462
 463                 usb_dev_mph =
 464                     platform_device_register_simple("fsl-ehci", i, r, 2);
 465                 if (IS_ERR(usb_dev_mph)) {
 466                         ret = PTR_ERR(usb_dev_mph);
 467                         goto err;
 468                 }
 469
 470                 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 471                 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
 472
 473                 usb_data.operating_mode = FSL_USB2_MPH_HOST;
 474
 475                 prop = get_property(np, "port0", NULL);
 476                 if (prop)
 477                         usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
 478
 479                 prop = get_property(np, "port1", NULL);
 480                 if (prop)
 481                         usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
 482
 483                 prop = get_property(np, "phy_type", NULL);
 484                 usb_data.phy_mode = determine_usb_phy(prop);
 485
 486                 ret =
 487                     platform_device_add_data(usb_dev_mph, &usb_data,
 488                                              sizeof(struct
 489                                                     fsl_usb2_platform_data));
 490                 if (ret)
 491                         goto unreg_mph;
 492         }
 493
 494         for (np = NULL;
 495              (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
 496              i++) {
 497                 struct resource r[2];
 498                 struct fsl_usb2_platform_data usb_data;
 499                 const unsigned char *prop = NULL;
 500
 501                 memset(&r, 0, sizeof(r));
 502                 memset(&usb_data, 0, sizeof(usb_data));
 503
 504                 ret = of_address_to_resource(np, 0, &r[0]);
 505                 if (ret)
 506                         goto unreg_mph;
 507
 508                 r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
 509                 r[1].flags = IORESOURCE_IRQ;
 510
 511                 usb_dev_dr =
 512                     platform_device_register_simple("fsl-ehci", i, r, 2);
 513                 if (IS_ERR(usb_dev_dr)) {
 514                         ret = PTR_ERR(usb_dev_dr);
 515                         goto err;
 516                 }
 517
 518                 usb_dev_dr->dev.coherent_dma_mask = 0xffffffffUL;
 519                 usb_dev_dr->dev.dma_mask = &usb_dev_dr->dev.coherent_dma_mask;
 520
 521                 usb_data.operating_mode = FSL_USB2_DR_HOST;
 522
 523                 prop = get_property(np, "phy_type", NULL);
 524                 usb_data.phy_mode = determine_usb_phy(prop);
 525
 526                 ret =
 527                     platform_device_add_data(usb_dev_dr, &usb_data,
 528                                              sizeof(struct
 529                                                     fsl_usb2_platform_data));
 530                 if (ret)
 531                         goto unreg_dr;
 532         }
 533         return 0;
 534
 535 unreg_dr:
 536         if (usb_dev_dr)
 537                 platform_device_unregister(usb_dev_dr);
 538 unreg_mph:
 539         if (usb_dev_mph)
 540                 platform_device_unregister(usb_dev_mph);
 541 err:
 542         return ret;
 543 }
 544
 545 arch_initcall(fsl_usb_of_init);
 546
 547 #ifdef CONFIG_CPM2
 548
 549 static const char fcc_regs[] = "fcc_regs";
 550 static const char fcc_regs_c[] = "fcc_regs_c";
 551 static const char fcc_pram[] = "fcc_pram";
 552 static char bus_id[9][BUS_ID_SIZE];
 553
 554 static int __init fs_enet_of_init(void)
 555 {
 556         struct device_node *np;
 557         unsigned int i;
 558         struct platform_device *fs_enet_dev;
 559         struct resource res;
 560         int ret;
 561
 562         for (np = NULL, i = 0;
 563              (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
 564              i++) {
 565                 struct resource r[4];
 566                 struct device_node *phy, *mdio;
 567                 struct fs_platform_info fs_enet_data;
 568                 const unsigned int *id, *phy_addr;
 569                 const void *mac_addr;
 570                 const phandle *ph;
 571                 const char *model;
 572
 573                 memset(r, 0, sizeof(r));
 574                 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
 575
 576                 ret = of_address_to_resource(np, 0, &r[0]);
 577                 if (ret)
 578                         goto err;
 579                 r[0].name = fcc_regs;
 580
 581                 ret = of_address_to_resource(np, 1, &r[1]);
 582                 if (ret)
 583                         goto err;
 584                 r[1].name = fcc_pram;
 585
 586                 ret = of_address_to_resource(np, 2, &r[2]);
 587                 if (ret)
 588                         goto err;
 589                 r[2].name = fcc_regs_c;
 590
 591                 r[3].start = r[3].end = irq_of_parse_and_map(np, 0);
 592                 r[3].flags = IORESOURCE_IRQ;
 593
 594                 fs_enet_dev =
 595                     platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
 596
 597                 if (IS_ERR(fs_enet_dev)) {
 598                         ret = PTR_ERR(fs_enet_dev);
 599                         goto err;
 600                 }
 601
 602                 model = get_property(np, "model", NULL);
 603                 if (model == NULL) {
 604                         ret = -ENODEV;
 605                         goto unreg;
 606                 }
 607
 608                 mac_addr = get_property(np, "mac-address", NULL);
 609                 memcpy(fs_enet_data.macaddr, mac_addr, 6);
 610
 611                 ph = get_property(np, "phy-handle", NULL);
 612                 phy = of_find_node_by_phandle(*ph);
 613
 614                 if (phy == NULL) {
 615                         ret = -ENODEV;
 616                         goto unreg;
 617                 }
 618
 619                 phy_addr = get_property(phy, "reg", NULL);
 620                 fs_enet_data.phy_addr = *phy_addr;
 621
 622                 id = get_property(np, "device-id", NULL);
 623                 fs_enet_data.fs_no = *id;
 624
 625                 mdio = of_get_parent(phy);
 626                 ret = of_address_to_resource(mdio, 0, &res);
 627                 if (ret) {
 628                         of_node_put(phy);
 629                         of_node_put(mdio);
 630                         goto unreg;
 631                 }
 632
 633                 if (strstr(model, "FCC")) {
 634                         int fcc_index = fs_get_fcc_index(*id);
 635
 636                         fs_enet_data.dpram_offset = (u32)cpm2_immr->im_dprambase;
 637                         fs_enet_data.rx_ring = 32;
 638                         fs_enet_data.tx_ring = 32;
 639                         fs_enet_data.rx_copybreak = 240;
 640                         fs_enet_data.use_napi = 0;
 641                         fs_enet_data.napi_weight = 17;
 642                         fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
 643                         fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
 644                         fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
 645
 646                         snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
 647                                                         (u32)res.start, fs_enet_data.phy_addr);
 648                         fs_enet_data.bus_id = (char*)&bus_id[(*id)];
 649                 }
 650
 651                 of_node_put(phy);
 652                 of_node_put(mdio);
 653
 654                 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
 655                                              sizeof(struct
 656                                                     fs_platform_info));
 657                 if (ret)
 658                         goto unreg;
 659         }
 660         return 0;
 661
 662 unreg:
 663         platform_device_unregister(fs_enet_dev);
 664 err:
 665         return ret;
 666 }
 667
 668 arch_initcall(fs_enet_of_init);
 669
 670 static const char scc_regs[] = "regs";
 671 static const char scc_pram[] = "pram";
 672
 673 static int __init cpm_uart_of_init(void)
 674 {
 675         struct device_node *np;
 676         unsigned int i;
 677         struct platform_device *cpm_uart_dev;
 678         int ret;
 679
 680         for (np = NULL, i = 0;
 681              (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
 682              i++) {
 683                 struct resource r[3];
 684                 struct fs_uart_platform_info cpm_uart_data;
 685                 const int *id;
 686
 687                 memset(r, 0, sizeof(r));
 688                 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
 689
 690                 ret = of_address_to_resource(np, 0, &r[0]);
 691                 if (ret)
 692                         goto err;
 693
 694                 r[0].name = scc_regs;
 695
 696                 ret = of_address_to_resource(np, 1, &r[1]);
 697                 if (ret)
 698                         goto err;
 699                 r[1].name = scc_pram;
 700
 701                 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
 702                 r[2].flags = IORESOURCE_IRQ;
 703
 704                 cpm_uart_dev =
 705                     platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
 706
 707                 if (IS_ERR(cpm_uart_dev)) {
 708                         ret = PTR_ERR(cpm_uart_dev);
 709                         goto err;
 710                 }
 711
 712                 id = get_property(np, "device-id", NULL);
 713                 cpm_uart_data.fs_no = *id;
 714                 cpm_uart_data.uart_clk = ppc_proc_freq;
 715
 716                 cpm_uart_data.tx_num_fifo = 4;
 717                 cpm_uart_data.tx_buf_size = 32;
 718                 cpm_uart_data.rx_num_fifo = 4;
 719                 cpm_uart_data.rx_buf_size = 32;
 720
 721                 ret =
 722                     platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
 723                                              sizeof(struct
 724                                                     fs_uart_platform_info));
 725                 if (ret)
 726                         goto unreg;
 727         }
 728
 729         return 0;
 730
 731 unreg:
 732         platform_device_unregister(cpm_uart_dev);
 733 err:
 734         return ret;
 735 }
 736
 737 arch_initcall(cpm_uart_of_init);
 738 #endif /* CONFIG_CPM2 */