arch/arm/mach-omap2/devices.c

   1 /*
   2  * linux/arch/arm/mach-omap2/devices.c
   3  *
   4  * OMAP2 platform device setup/initialization
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  */
  11 #include <linux/gpio.h>
  12 #include <linux/kernel.h>
  13 #include <linux/init.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/io.h>
  16 #include <linux/clk.h>
  17 #include <linux/err.h>
  18 #include <linux/gpio.h>
  19 #include <linux/slab.h>
  20 #include <linux/of.h>
  21 #include <linux/pinctrl/machine.h>
  22 #include <linux/platform_data/omap4-keypad.h>
  23 #include <linux/platform_data/omap_ocp2scp.h>
  24 #include <linux/wl12xx.h>
  25
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/map.h>
  28
  29 #include <linux/omap-dma.h>
  30
  31 #include "iomap.h"
  32 #include "omap_hwmod.h"
  33 #include "omap_device.h"
  34 #include "omap4-keypad.h"
  35
  36 #include "soc.h"
  37 #include "common.h"
  38 #include "mux.h"
  39 #include "control.h"
  40 #include "devices.h"
  41 #include "dma.h"
  42
  43 #define L3_MODULES_MAX_LEN 12
  44 #define L3_MODULES 3
  45
  46 static int __init omap3_l3_init(void)
  47 {
  48         struct omap_hwmod *oh;
  49         struct platform_device *pdev;
  50         char oh_name[L3_MODULES_MAX_LEN];
  51
  52         /*
  53          * To avoid code running on other OMAPs in
  54          * multi-omap builds
  55          */
  56         if (!(cpu_is_omap34xx()))
  57                 return -ENODEV;
  58
  59         snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main");
  60
  61         oh = omap_hwmod_lookup(oh_name);
  62
  63         if (!oh)
  64                 pr_err("could not look up %s\n", oh_name);
  65
  66         pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0);
  67
  68         WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
  69
  70         return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
  71 }
  72 omap_postcore_initcall(omap3_l3_init);
  73
  74 static int __init omap4_l3_init(void)
  75 {
  76         int i;
  77         struct omap_hwmod *oh[3];
  78         struct platform_device *pdev;
  79         char oh_name[L3_MODULES_MAX_LEN];
  80
  81         /* If dtb is there, the devices will be created dynamically */
  82         if (of_have_populated_dt())
  83                 return -ENODEV;
  84
  85         /*
  86          * To avoid code running on other OMAPs in
  87          * multi-omap builds
  88          */
  89         if (!cpu_is_omap44xx() && !soc_is_omap54xx())
  90                 return -ENODEV;
  91
  92         for (i = 0; i < L3_MODULES; i++) {
  93                 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1);
  94
  95                 oh[i] = omap_hwmod_lookup(oh_name);
  96                 if (!(oh[i]))
  97                         pr_err("could not look up %s\n", oh_name);
  98         }
  99
 100         pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0);
 101
 102         WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
 103
 104         return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
 105 }
 106 omap_postcore_initcall(omap4_l3_init);
 107
 108 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
 109
 110 static struct resource omap2cam_resources[] = {
 111         {
 112                 .start          = OMAP24XX_CAMERA_BASE,
 113                 .end            = OMAP24XX_CAMERA_BASE + 0xfff,
 114                 .flags          = IORESOURCE_MEM,
 115         },
 116         {
 117                 .start          = 24 + OMAP_INTC_START,
 118                 .flags          = IORESOURCE_IRQ,
 119         }
 120 };
 121
 122 static struct platform_device omap2cam_device = {
 123         .name           = "omap24xxcam",
 124         .id             = -1,
 125         .num_resources  = ARRAY_SIZE(omap2cam_resources),
 126         .resource       = omap2cam_resources,
 127 };
 128 #endif
 129
 130 #if defined(CONFIG_IOMMU_API)
 131
 132 #include <linux/platform_data/iommu-omap.h>
 133
 134 static struct resource omap3isp_resources[] = {
 135         {
 136                 .start          = OMAP3430_ISP_BASE,
 137                 .end            = OMAP3430_ISP_END,
 138                 .flags          = IORESOURCE_MEM,
 139         },
 140         {
 141                 .start          = OMAP3430_ISP_CCP2_BASE,
 142                 .end            = OMAP3430_ISP_CCP2_END,
 143                 .flags          = IORESOURCE_MEM,
 144         },
 145         {
 146                 .start          = OMAP3430_ISP_CCDC_BASE,
 147                 .end            = OMAP3430_ISP_CCDC_END,
 148                 .flags          = IORESOURCE_MEM,
 149         },
 150         {
 151                 .start          = OMAP3430_ISP_HIST_BASE,
 152                 .end            = OMAP3430_ISP_HIST_END,
 153                 .flags          = IORESOURCE_MEM,
 154         },
 155         {
 156                 .start          = OMAP3430_ISP_H3A_BASE,
 157                 .end            = OMAP3430_ISP_H3A_END,
 158                 .flags          = IORESOURCE_MEM,
 159         },
 160         {
 161                 .start          = OMAP3430_ISP_PREV_BASE,
 162                 .end            = OMAP3430_ISP_PREV_END,
 163                 .flags          = IORESOURCE_MEM,
 164         },
 165         {
 166                 .start          = OMAP3430_ISP_RESZ_BASE,
 167                 .end            = OMAP3430_ISP_RESZ_END,
 168                 .flags          = IORESOURCE_MEM,
 169         },
 170         {
 171                 .start          = OMAP3430_ISP_SBL_BASE,
 172                 .end            = OMAP3430_ISP_SBL_END,
 173                 .flags          = IORESOURCE_MEM,
 174         },
 175         {
 176                 .start          = OMAP3430_ISP_CSI2A_REGS1_BASE,
 177                 .end            = OMAP3430_ISP_CSI2A_REGS1_END,
 178                 .flags          = IORESOURCE_MEM,
 179         },
 180         {
 181                 .start          = OMAP3430_ISP_CSIPHY2_BASE,
 182                 .end            = OMAP3430_ISP_CSIPHY2_END,
 183                 .flags          = IORESOURCE_MEM,
 184         },
 185         {
 186                 .start          = OMAP3630_ISP_CSI2A_REGS2_BASE,
 187                 .end            = OMAP3630_ISP_CSI2A_REGS2_END,
 188                 .flags          = IORESOURCE_MEM,
 189         },
 190         {
 191                 .start          = OMAP3630_ISP_CSI2C_REGS1_BASE,
 192                 .end            = OMAP3630_ISP_CSI2C_REGS1_END,
 193                 .flags          = IORESOURCE_MEM,
 194         },
 195         {
 196                 .start          = OMAP3630_ISP_CSIPHY1_BASE,
 197                 .end            = OMAP3630_ISP_CSIPHY1_END,
 198                 .flags          = IORESOURCE_MEM,
 199         },
 200         {
 201                 .start          = OMAP3630_ISP_CSI2C_REGS2_BASE,
 202                 .end            = OMAP3630_ISP_CSI2C_REGS2_END,
 203                 .flags          = IORESOURCE_MEM,
 204         },
 205         {
 206                 .start          = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE,
 207                 .end            = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3,
 208                 .flags          = IORESOURCE_MEM,
 209         },
 210         {
 211                 .start          = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL,
 212                 .end            = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3,
 213                 .flags          = IORESOURCE_MEM,
 214         },
 215         {
 216                 .start          = 24 + OMAP_INTC_START,
 217                 .flags          = IORESOURCE_IRQ,
 218         }
 219 };
 220
 221 static struct platform_device omap3isp_device = {
 222         .name           = "omap3isp",
 223         .id             = -1,
 224         .num_resources  = ARRAY_SIZE(omap3isp_resources),
 225         .resource       = omap3isp_resources,
 226 };
 227
 228 static struct omap_iommu_arch_data omap3_isp_iommu = {
 229         .name = "mmu_isp",
 230 };
 231
 232 int omap3_init_camera(struct isp_platform_data *pdata)
 233 {
 234         omap3isp_device.dev.platform_data = pdata;
 235         omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
 236
 237         return platform_device_register(&omap3isp_device);
 238 }
 239
 240 #else /* !CONFIG_IOMMU_API */
 241
 242 int omap3_init_camera(struct isp_platform_data *pdata)
 243 {
 244         return 0;
 245 }
 246
 247 #endif
 248
 249 static inline void omap_init_camera(void)
 250 {
 251 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
 252         if (cpu_is_omap24xx())
 253                 platform_device_register(&omap2cam_device);
 254 #endif
 255 }
 256
 257 int __init omap4_keyboard_init(struct omap4_keypad_platform_data
 258                         *sdp4430_keypad_data, struct omap_board_data *bdata)
 259 {
 260         struct platform_device *pdev;
 261         struct omap_hwmod *oh;
 262         struct omap4_keypad_platform_data *keypad_data;
 263         unsigned int id = -1;
 264         char *oh_name = "kbd";
 265         char *name = "omap4-keypad";
 266
 267         oh = omap_hwmod_lookup(oh_name);
 268         if (!oh) {
 269                 pr_err("Could not look up %s\n", oh_name);
 270                 return -ENODEV;
 271         }
 272
 273         keypad_data = sdp4430_keypad_data;
 274
 275         pdev = omap_device_build(name, id, oh, keypad_data,
 276                                  sizeof(struct omap4_keypad_platform_data));
 277
 278         if (IS_ERR(pdev)) {
 279                 WARN(1, "Can't build omap_device for %s:%s.\n",
 280                                                 name, oh->name);
 281                 return PTR_ERR(pdev);
 282         }
 283         oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
 284
 285         return 0;
 286 }
 287
 288 #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
 289 static inline void __init omap_init_mbox(void)
 290 {
 291         struct omap_hwmod *oh;
 292         struct platform_device *pdev;
 293
 294         oh = omap_hwmod_lookup("mailbox");
 295         if (!oh) {
 296                 pr_err("%s: unable to find hwmod\n", __func__);
 297                 return;
 298         }
 299
 300         pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0);
 301         WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
 302                                                 __func__, PTR_ERR(pdev));
 303 }
 304 #else
 305 static inline void omap_init_mbox(void) { }
 306 #endif /* CONFIG_OMAP_MBOX_FWK */
 307
 308 static inline void omap_init_sti(void) {}
 309
 310 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
 311
 312 static struct platform_device omap_pcm = {
 313         .name   = "omap-pcm-audio",
 314         .id     = -1,
 315 };
 316
 317 static void omap_init_audio(void)
 318 {
 319         platform_device_register(&omap_pcm);
 320 }
 321
 322 #else
 323 static inline void omap_init_audio(void) {}
 324 #endif
 325
 326 #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
 327                 defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
 328
 329 static void __init omap_init_mcpdm(void)
 330 {
 331         struct omap_hwmod *oh;
 332         struct platform_device *pdev;
 333
 334         oh = omap_hwmod_lookup("mcpdm");
 335         if (!oh) {
 336                 printk(KERN_ERR "Could not look up mcpdm hw_mod\n");
 337                 return;
 338         }
 339
 340         pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0);
 341         WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n");
 342 }
 343 #else
 344 static inline void omap_init_mcpdm(void) {}
 345 #endif
 346
 347 #if defined(CONFIG_SND_OMAP_SOC_DMIC) || \
 348                 defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE)
 349
 350 static void __init omap_init_dmic(void)
 351 {
 352         struct omap_hwmod *oh;
 353         struct platform_device *pdev;
 354
 355         oh = omap_hwmod_lookup("dmic");
 356         if (!oh) {
 357                 pr_err("Could not look up dmic hw_mod\n");
 358                 return;
 359         }
 360
 361         pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0);
 362         WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n");
 363 }
 364 #else
 365 static inline void omap_init_dmic(void) {}
 366 #endif
 367
 368 #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \
 369                 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE)
 370
 371 static struct platform_device omap_hdmi_audio = {
 372         .name   = "omap-hdmi-audio",
 373         .id     = -1,
 374 };
 375
 376 static void __init omap_init_hdmi_audio(void)
 377 {
 378         struct omap_hwmod *oh;
 379         struct platform_device *pdev;
 380
 381         oh = omap_hwmod_lookup("dss_hdmi");
 382         if (!oh) {
 383                 printk(KERN_ERR "Could not look up dss_hdmi hw_mod\n");
 384                 return;
 385         }
 386
 387         pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0);
 388         WARN(IS_ERR(pdev),
 389              "Can't build omap_device for omap-hdmi-audio-dai.\n");
 390
 391         platform_device_register(&omap_hdmi_audio);
 392 }
 393 #else
 394 static inline void omap_init_hdmi_audio(void) {}
 395 #endif
 396
 397 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
 398
 399 #include <linux/platform_data/spi-omap2-mcspi.h>
 400
 401 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
 402 {
 403         struct platform_device *pdev;
 404         char *name = "omap2_mcspi";
 405         struct omap2_mcspi_platform_config *pdata;
 406         static int spi_num;
 407         struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
 408
 409         pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
 410         if (!pdata) {
 411                 pr_err("Memory allocation for McSPI device failed\n");
 412                 return -ENOMEM;
 413         }
 414
 415         pdata->num_cs = mcspi_attrib->num_chipselect;
 416         switch (oh->class->rev) {
 417         case OMAP2_MCSPI_REV:
 418         case OMAP3_MCSPI_REV:
 419                         pdata->regs_offset = 0;
 420                         break;
 421         case OMAP4_MCSPI_REV:
 422                         pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
 423                         break;
 424         default:
 425                         pr_err("Invalid McSPI Revision value\n");
 426                         kfree(pdata);
 427                         return -EINVAL;
 428         }
 429
 430         spi_num++;
 431         pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata));
 432         WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
 433                                 name, oh->name);
 434         kfree(pdata);
 435         return 0;
 436 }
 437
 438 static void omap_init_mcspi(void)
 439 {
 440         omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
 441 }
 442
 443 #else
 444 static inline void omap_init_mcspi(void) {}
 445 #endif
 446
 447 /**
 448  * omap_init_rng - bind the RNG hwmod to the RNG omap_device
 449  *
 450  * Bind the RNG hwmod to the RNG omap_device.  No return value.
 451  */
 452 static void omap_init_rng(void)
 453 {
 454         struct omap_hwmod *oh;
 455         struct platform_device *pdev;
 456
 457         oh = omap_hwmod_lookup("rng");
 458         if (!oh)
 459                 return;
 460
 461         pdev = omap_device_build("omap_rng", -1, oh, NULL, 0);
 462         WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
 463 }
 464
 465 static void __init omap_init_sham(void)
 466 {
 467         struct omap_hwmod *oh;
 468         struct platform_device *pdev;
 469
 470         oh = omap_hwmod_lookup("sham");
 471         if (!oh)
 472                 return;
 473
 474         pdev = omap_device_build("omap-sham", -1, oh, NULL, 0);
 475         WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n");
 476 }
 477
 478 static void __init omap_init_aes(void)
 479 {
 480         struct omap_hwmod *oh;
 481         struct platform_device *pdev;
 482
 483         oh = omap_hwmod_lookup("aes");
 484         if (!oh)
 485                 return;
 486
 487         pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
 488         WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
 489 }
 490
 491 /*-------------------------------------------------------------------------*/
 492
 493 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
 494         defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
 495 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
 496 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
 497 };
 498 #else
 499 static struct resource omap_vout_resource[2] = {
 500 };
 501 #endif
 502
 503 static struct platform_device omap_vout_device = {
 504         .name           = "omap_vout",
 505         .num_resources  = ARRAY_SIZE(omap_vout_resource),
 506         .resource       = &omap_vout_resource[0],
 507         .id             = -1,
 508 };
 509 static void omap_init_vout(void)
 510 {
 511         if (platform_device_register(&omap_vout_device) < 0)
 512                 printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
 513 }
 514 #else
 515 static inline void omap_init_vout(void) {}
 516 #endif
 517
 518 #if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE)
 519 static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev)
 520 {
 521         int cnt = 0;
 522
 523         while (ocp2scp_dev->drv_name != NULL) {
 524                 cnt++;
 525                 ocp2scp_dev++;
 526         }
 527
 528         return cnt;
 529 }
 530
 531 static void __init omap_init_ocp2scp(void)
 532 {
 533         struct omap_hwmod       *oh;
 534         struct platform_device  *pdev;
 535         int                     bus_id = -1, dev_cnt = 0, i;
 536         struct omap_ocp2scp_dev *ocp2scp_dev;
 537         const char              *oh_name, *name;
 538         struct omap_ocp2scp_platform_data *pdata;
 539
 540         if (!cpu_is_omap44xx())
 541                 return;
 542
 543         oh_name = "ocp2scp_usb_phy";
 544         name    = "omap-ocp2scp";
 545
 546         oh = omap_hwmod_lookup(oh_name);
 547         if (!oh) {
 548                 pr_err("%s: could not find omap_hwmod for %s\n", __func__,
 549                                                                 oh_name);
 550                 return;
 551         }
 552
 553         pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
 554         if (!pdata) {
 555                 pr_err("%s: No memory for ocp2scp pdata\n", __func__);
 556                 return;
 557         }
 558
 559         ocp2scp_dev = oh->dev_attr;
 560         dev_cnt = count_ocp2scp_devices(ocp2scp_dev);
 561
 562         if (!dev_cnt) {
 563                 pr_err("%s: No devices connected to ocp2scp\n", __func__);
 564                 kfree(pdata);
 565                 return;
 566         }
 567
 568         pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *)
 569                                         * dev_cnt, GFP_KERNEL);
 570         if (!pdata->devices) {
 571                 pr_err("%s: No memory for ocp2scp pdata devices\n", __func__);
 572                 kfree(pdata);
 573                 return;
 574         }
 575
 576         for (i = 0; i < dev_cnt; i++, ocp2scp_dev++)
 577                 pdata->devices[i] = ocp2scp_dev;
 578
 579         pdata->dev_cnt  = dev_cnt;
 580
 581         pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata));
 582         if (IS_ERR(pdev)) {
 583                 pr_err("Could not build omap_device for %s %s\n",
 584                                                 name, oh_name);
 585                 kfree(pdata->devices);
 586                 kfree(pdata);
 587                 return;
 588         }
 589 }
 590 #else
 591 static inline void omap_init_ocp2scp(void) { }
 592 #endif
 593
 594 #if IS_ENABLED(CONFIG_WL12XX)
 595
 596 static struct wl12xx_platform_data wl12xx __initdata;
 597
 598 void __init omap_init_wl12xx_of(void)
 599 {
 600         int ret;
 601
 602         if (!of_have_populated_dt())
 603                 return;
 604
 605         if (of_machine_is_compatible("ti,omap4-sdp")) {
 606                 wl12xx.board_ref_clock = WL12XX_REFCLOCK_26;
 607                 wl12xx.board_tcxo_clock = WL12XX_TCXOCLOCK_26;
 608                 wl12xx.irq = gpio_to_irq(53);
 609         } else if (of_machine_is_compatible("ti,omap4-panda")) {
 610                 wl12xx.board_ref_clock = WL12XX_REFCLOCK_38;
 611                 wl12xx.irq = gpio_to_irq(53);
 612         } else {
 613                 return;
 614         }
 615
 616         ret = wl12xx_set_platform_data(&wl12xx);
 617         if (ret) {
 618                 pr_err("error setting wl12xx data: %d\n", ret);
 619                 return;
 620         }
 621 }
 622 #else
 623 static inline void omap_init_wl12xx_of(void)
 624 {
 625 }
 626 #endif
 627
 628 /*-------------------------------------------------------------------------*/
 629
 630 static int __init omap2_init_devices(void)
 631 {
 632         /* Enable dummy states for those platforms without pinctrl support */
 633         if (!of_have_populated_dt())
 634                 pinctrl_provide_dummies();
 635
 636         /*
 637          * please keep these calls, and their implementations above,
 638          * in alphabetical order so they're easier to sort through.
 639          */
 640         omap_init_audio();
 641         omap_init_camera();
 642         omap_init_hdmi_audio();
 643         omap_init_mbox();
 644         /* If dtb is there, the devices will be created dynamically */
 645         if (!of_have_populated_dt()) {
 646                 omap_init_dmic();
 647                 omap_init_mcpdm();
 648                 omap_init_mcspi();
 649                 omap_init_sham();
 650                 omap_init_aes();
 651         } else {
 652                 /* These can be removed when bindings are done */
 653                 omap_init_wl12xx_of();
 654         }
 655         omap_init_sti();
 656         omap_init_rng();
 657         omap_init_vout();
 658         omap_init_ocp2scp();
 659
 660         return 0;
 661 }
 662 omap_arch_initcall(omap2_init_devices);