Pileus Git - ~andy/linux/blob - 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/slab.h>
  19 #include <linux/of.h>
  20 #include <linux/pinctrl/machine.h>
  21 #include <linux/platform_data/omap4-keypad.h>
  22 #include <linux/platform_data/omap_ocp2scp.h>
  23 #include <linux/usb/omap_control_usb.h>
  24
  25 #include <asm/mach-types.h>
  26 #include <asm/mach/map.h>
  27
  28 #include <linux/omap-dma.h>
  29
  30 #include "iomap.h"
  31 #include "omap_hwmod.h"
  32 #include "omap_device.h"
  33 #include "omap4-keypad.h"
  34
  35 #include "soc.h"
  36 #include "common.h"
  37 #include "mux.h"
  38 #include "control.h"
  39 #include "devices.h"
  40 #include "dma.h"
  41
  42 #define L3_MODULES_MAX_LEN 12
  43 #define L3_MODULES 3
  44
  45 static int __init omap3_l3_init(void)
  46 {
  47         struct omap_hwmod *oh;
  48         struct platform_device *pdev;
  49         char oh_name[L3_MODULES_MAX_LEN];
  50
  51         /*
  52          * To avoid code running on other OMAPs in
  53          * multi-omap builds
  54          */
  55         if (!(cpu_is_omap34xx()))
  56                 return -ENODEV;
  57
  58         snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main");
  59
  60         oh = omap_hwmod_lookup(oh_name);
  61
  62         if (!oh)
  63                 pr_err("could not look up %s\n", oh_name);
  64
  65         pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0);
  66
  67         WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
  68
  69         return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
  70 }
  71 omap_postcore_initcall(omap3_l3_init);
  72
  73 static int __init omap4_l3_init(void)
  74 {
  75         int i;
  76         struct omap_hwmod *oh[3];
  77         struct platform_device *pdev;
  78         char oh_name[L3_MODULES_MAX_LEN];
  79
  80         /* If dtb is there, the devices will be created dynamically */
  81         if (of_have_populated_dt())
  82                 return -ENODEV;
  83
  84         /*
  85          * To avoid code running on other OMAPs in
  86          * multi-omap builds
  87          */
  88         if (!cpu_is_omap44xx() && !soc_is_omap54xx())
  89                 return -ENODEV;
  90
  91         for (i = 0; i < L3_MODULES; i++) {
  92                 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1);
  93
  94                 oh[i] = omap_hwmod_lookup(oh_name);
  95                 if (!(oh[i]))
  96                         pr_err("could not look up %s\n", oh_name);
  97         }
  98
  99         pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0);
 100
 101         WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
 102
 103         return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
 104 }
 105 omap_postcore_initcall(omap4_l3_init);
 106
 107 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
 108
 109 static struct resource omap2cam_resources[] = {
 110         {
 111                 .start          = OMAP24XX_CAMERA_BASE,
 112                 .end            = OMAP24XX_CAMERA_BASE + 0xfff,
 113                 .flags          = IORESOURCE_MEM,
 114         },
 115         {
 116                 .start          = 24 + OMAP_INTC_START,
 117                 .flags          = IORESOURCE_IRQ,
 118         }
 119 };
 120
 121 static struct platform_device omap2cam_device = {
 122         .name           = "omap24xxcam",
 123         .id             = -1,
 124         .num_resources  = ARRAY_SIZE(omap2cam_resources),
 125         .resource       = omap2cam_resources,
 126 };
 127 #endif
 128
 129 #if defined(CONFIG_IOMMU_API)
 130
 131 #include <linux/platform_data/iommu-omap.h>
 132
 133 static struct resource omap3isp_resources[] = {
 134         {
 135                 .start          = OMAP3430_ISP_BASE,
 136                 .end            = OMAP3430_ISP_END,
 137                 .flags          = IORESOURCE_MEM,
 138         },
 139         {
 140                 .start          = OMAP3430_ISP_CCP2_BASE,
 141                 .end            = OMAP3430_ISP_CCP2_END,
 142                 .flags          = IORESOURCE_MEM,
 143         },
 144         {
 145                 .start          = OMAP3430_ISP_CCDC_BASE,
 146                 .end            = OMAP3430_ISP_CCDC_END,
 147                 .flags          = IORESOURCE_MEM,
 148         },
 149         {
 150                 .start          = OMAP3430_ISP_HIST_BASE,
 151                 .end            = OMAP3430_ISP_HIST_END,
 152                 .flags          = IORESOURCE_MEM,
 153         },
 154         {
 155                 .start          = OMAP3430_ISP_H3A_BASE,
 156                 .end            = OMAP3430_ISP_H3A_END,
 157                 .flags          = IORESOURCE_MEM,
 158         },
 159         {
 160                 .start          = OMAP3430_ISP_PREV_BASE,
 161                 .end            = OMAP3430_ISP_PREV_END,
 162                 .flags          = IORESOURCE_MEM,
 163         },
 164         {
 165                 .start          = OMAP3430_ISP_RESZ_BASE,
 166                 .end            = OMAP3430_ISP_RESZ_END,
 167                 .flags          = IORESOURCE_MEM,
 168         },
 169         {
 170                 .start          = OMAP3430_ISP_SBL_BASE,
 171                 .end            = OMAP3430_ISP_SBL_END,
 172                 .flags          = IORESOURCE_MEM,
 173         },
 174         {
 175                 .start          = OMAP3430_ISP_CSI2A_REGS1_BASE,
 176                 .end            = OMAP3430_ISP_CSI2A_REGS1_END,
 177                 .flags          = IORESOURCE_MEM,
 178         },
 179         {
 180                 .start          = OMAP3430_ISP_CSIPHY2_BASE,
 181                 .end            = OMAP3430_ISP_CSIPHY2_END,
 182                 .flags          = IORESOURCE_MEM,
 183         },
 184         {
 185                 .start          = OMAP3630_ISP_CSI2A_REGS2_BASE,
 186                 .end            = OMAP3630_ISP_CSI2A_REGS2_END,
 187                 .flags          = IORESOURCE_MEM,
 188         },
 189         {
 190                 .start          = OMAP3630_ISP_CSI2C_REGS1_BASE,
 191                 .end            = OMAP3630_ISP_CSI2C_REGS1_END,
 192                 .flags          = IORESOURCE_MEM,
 193         },
 194         {
 195                 .start          = OMAP3630_ISP_CSIPHY1_BASE,
 196                 .end            = OMAP3630_ISP_CSIPHY1_END,
 197                 .flags          = IORESOURCE_MEM,
 198         },
 199         {
 200                 .start          = OMAP3630_ISP_CSI2C_REGS2_BASE,
 201                 .end            = OMAP3630_ISP_CSI2C_REGS2_END,
 202                 .flags          = IORESOURCE_MEM,
 203         },
 204         {
 205                 .start          = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE,
 206                 .end            = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3,
 207                 .flags          = IORESOURCE_MEM,
 208         },
 209         {
 210                 .start          = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL,
 211                 .end            = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3,
 212                 .flags          = IORESOURCE_MEM,
 213         },
 214         {
 215                 .start          = 24 + OMAP_INTC_START,
 216                 .flags          = IORESOURCE_IRQ,
 217         }
 218 };
 219
 220 static struct platform_device omap3isp_device = {
 221         .name           = "omap3isp",
 222         .id             = -1,
 223         .num_resources  = ARRAY_SIZE(omap3isp_resources),
 224         .resource       = omap3isp_resources,
 225 };
 226
 227 static struct omap_iommu_arch_data omap3_isp_iommu = {
 228         .name = "mmu_isp",
 229 };
 230
 231 int omap3_init_camera(struct isp_platform_data *pdata)
 232 {
 233         omap3isp_device.dev.platform_data = pdata;
 234         omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
 235
 236         return platform_device_register(&omap3isp_device);
 237 }
 238
 239 #else /* !CONFIG_IOMMU_API */
 240
 241 int omap3_init_camera(struct isp_platform_data *pdata)
 242 {
 243         return 0;
 244 }
 245
 246 #endif
 247
 248 static inline void omap_init_camera(void)
 249 {
 250 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
 251         if (cpu_is_omap24xx())
 252                 platform_device_register(&omap2cam_device);
 253 #endif
 254 }
 255
 256 #if IS_ENABLED(CONFIG_OMAP_CONTROL_USB)
 257 static struct omap_control_usb_platform_data omap4_control_usb_pdata = {
 258         .type = 1,
 259 };
 260
 261 struct resource omap4_control_usb_res[] = {
 262         {
 263                 .name   = "control_dev_conf",
 264                 .start  = 0x4a002300,
 265                 .end    = 0x4a002303,
 266                 .flags  = IORESOURCE_MEM,
 267         },
 268         {
 269                 .name   = "otghs_control",
 270                 .start  = 0x4a00233c,
 271                 .end    = 0x4a00233f,
 272                 .flags  = IORESOURCE_MEM,
 273         },
 274 };
 275
 276 static struct platform_device omap4_control_usb = {
 277         .name = "omap-control-usb",
 278         .id = -1,
 279         .dev = {
 280                 .platform_data = &omap4_control_usb_pdata,
 281         },
 282         .num_resources = 2,
 283         .resource = omap4_control_usb_res,
 284 };
 285
 286 static inline void __init omap_init_control_usb(void)
 287 {
 288         if (!cpu_is_omap44xx())
 289                 return;
 290
 291         if (platform_device_register(&omap4_control_usb))
 292                 pr_err("Error registering omap_control_usb device\n");
 293 }
 294
 295 #else
 296 static inline void omap_init_control_usb(void) { }
 297 #endif /* CONFIG_OMAP_CONTROL_USB */
 298
 299 int __init omap4_keyboard_init(struct omap4_keypad_platform_data
 300                         *sdp4430_keypad_data, struct omap_board_data *bdata)
 301 {
 302         struct platform_device *pdev;
 303         struct omap_hwmod *oh;
 304         struct omap4_keypad_platform_data *keypad_data;
 305         unsigned int id = -1;
 306         char *oh_name = "kbd";
 307         char *name = "omap4-keypad";
 308
 309         oh = omap_hwmod_lookup(oh_name);
 310         if (!oh) {
 311                 pr_err("Could not look up %s\n", oh_name);
 312                 return -ENODEV;
 313         }
 314
 315         keypad_data = sdp4430_keypad_data;
 316
 317         pdev = omap_device_build(name, id, oh, keypad_data,
 318                                  sizeof(struct omap4_keypad_platform_data));
 319
 320         if (IS_ERR(pdev)) {
 321                 WARN(1, "Can't build omap_device for %s:%s.\n",
 322                                                 name, oh->name);
 323                 return PTR_ERR(pdev);
 324         }
 325         oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
 326
 327         return 0;
 328 }
 329
 330 #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
 331 static inline void __init omap_init_mbox(void)
 332 {
 333         struct omap_hwmod *oh;
 334         struct platform_device *pdev;
 335
 336         oh = omap_hwmod_lookup("mailbox");
 337         if (!oh) {
 338                 pr_err("%s: unable to find hwmod\n", __func__);
 339                 return;
 340         }
 341
 342         pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0);
 343         WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
 344                                                 __func__, PTR_ERR(pdev));
 345 }
 346 #else
 347 static inline void omap_init_mbox(void) { }
 348 #endif /* CONFIG_OMAP_MBOX_FWK */
 349
 350 static inline void omap_init_sti(void) {}
 351
 352 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
 353
 354 static struct platform_device omap_pcm = {
 355         .name   = "omap-pcm-audio",
 356         .id     = -1,
 357 };
 358
 359 static void omap_init_audio(void)
 360 {
 361         platform_device_register(&omap_pcm);
 362 }
 363
 364 #else
 365 static inline void omap_init_audio(void) {}
 366 #endif
 367
 368 #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
 369                 defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
 370
 371 static void __init omap_init_mcpdm(void)
 372 {
 373         struct omap_hwmod *oh;
 374         struct platform_device *pdev;
 375
 376         oh = omap_hwmod_lookup("mcpdm");
 377         if (!oh)
 378                 return;
 379
 380         pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0);
 381         WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n");
 382 }
 383 #else
 384 static inline void omap_init_mcpdm(void) {}
 385 #endif
 386
 387 #if defined(CONFIG_SND_OMAP_SOC_DMIC) || \
 388                 defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE)
 389
 390 static void __init omap_init_dmic(void)
 391 {
 392         struct omap_hwmod *oh;
 393         struct platform_device *pdev;
 394
 395         oh = omap_hwmod_lookup("dmic");
 396         if (!oh)
 397                 return;
 398
 399         pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0);
 400         WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n");
 401 }
 402 #else
 403 static inline void omap_init_dmic(void) {}
 404 #endif
 405
 406 #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \
 407                 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE)
 408
 409 static struct platform_device omap_hdmi_audio = {
 410         .name   = "omap-hdmi-audio",
 411         .id     = -1,
 412 };
 413
 414 static void __init omap_init_hdmi_audio(void)
 415 {
 416         struct omap_hwmod *oh;
 417         struct platform_device *pdev;
 418
 419         oh = omap_hwmod_lookup("dss_hdmi");
 420         if (!oh) {
 421                 printk(KERN_ERR "Could not look up dss_hdmi hw_mod\n");
 422                 return;
 423         }
 424
 425         pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0);
 426         WARN(IS_ERR(pdev),
 427              "Can't build omap_device for omap-hdmi-audio-dai.\n");
 428
 429         platform_device_register(&omap_hdmi_audio);
 430 }
 431 #else
 432 static inline void omap_init_hdmi_audio(void) {}
 433 #endif
 434
 435 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
 436
 437 #include <linux/platform_data/spi-omap2-mcspi.h>
 438
 439 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
 440 {
 441         struct platform_device *pdev;
 442         char *name = "omap2_mcspi";
 443         struct omap2_mcspi_platform_config *pdata;
 444         static int spi_num;
 445         struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
 446
 447         pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
 448         if (!pdata) {
 449                 pr_err("Memory allocation for McSPI device failed\n");
 450                 return -ENOMEM;
 451         }
 452
 453         pdata->num_cs = mcspi_attrib->num_chipselect;
 454         switch (oh->class->rev) {
 455         case OMAP2_MCSPI_REV:
 456         case OMAP3_MCSPI_REV:
 457                         pdata->regs_offset = 0;
 458                         break;
 459         case OMAP4_MCSPI_REV:
 460                         pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
 461                         break;
 462         default:
 463                         pr_err("Invalid McSPI Revision value\n");
 464                         kfree(pdata);
 465                         return -EINVAL;
 466         }
 467
 468         spi_num++;
 469         pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata));
 470         WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
 471                                 name, oh->name);
 472         kfree(pdata);
 473         return 0;
 474 }
 475
 476 static void omap_init_mcspi(void)
 477 {
 478         omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
 479 }
 480
 481 #else
 482 static inline void omap_init_mcspi(void) {}
 483 #endif
 484
 485 /**
 486  * omap_init_rng - bind the RNG hwmod to the RNG omap_device
 487  *
 488  * Bind the RNG hwmod to the RNG omap_device.  No return value.
 489  */
 490 static void omap_init_rng(void)
 491 {
 492         struct omap_hwmod *oh;
 493         struct platform_device *pdev;
 494
 495         oh = omap_hwmod_lookup("rng");
 496         if (!oh)
 497                 return;
 498
 499         pdev = omap_device_build("omap_rng", -1, oh, NULL, 0);
 500         WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
 501 }
 502
 503 static void __init omap_init_sham(void)
 504 {
 505         struct omap_hwmod *oh;
 506         struct platform_device *pdev;
 507
 508         oh = omap_hwmod_lookup("sham");
 509         if (!oh)
 510                 return;
 511
 512         pdev = omap_device_build("omap-sham", -1, oh, NULL, 0);
 513         WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n");
 514 }
 515
 516 static void __init omap_init_aes(void)
 517 {
 518         struct omap_hwmod *oh;
 519         struct platform_device *pdev;
 520
 521         oh = omap_hwmod_lookup("aes");
 522         if (!oh)
 523                 return;
 524
 525         pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
 526         WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
 527 }
 528
 529 /*-------------------------------------------------------------------------*/
 530
 531 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
 532         defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
 533 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
 534 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
 535 };
 536 #else
 537 static struct resource omap_vout_resource[2] = {
 538 };
 539 #endif
 540
 541 static struct platform_device omap_vout_device = {
 542         .name           = "omap_vout",
 543         .num_resources  = ARRAY_SIZE(omap_vout_resource),
 544         .resource       = &omap_vout_resource[0],
 545         .id             = -1,
 546 };
 547 static void omap_init_vout(void)
 548 {
 549         if (platform_device_register(&omap_vout_device) < 0)
 550                 printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
 551 }
 552 #else
 553 static inline void omap_init_vout(void) {}
 554 #endif
 555
 556 #if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE)
 557 static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev)
 558 {
 559         int cnt = 0;
 560
 561         while (ocp2scp_dev->drv_name != NULL) {
 562                 cnt++;
 563                 ocp2scp_dev++;
 564         }
 565
 566         return cnt;
 567 }
 568
 569 static void __init omap_init_ocp2scp(void)
 570 {
 571         struct omap_hwmod       *oh;
 572         struct platform_device  *pdev;
 573         int                     bus_id = -1, dev_cnt = 0, i;
 574         struct omap_ocp2scp_dev *ocp2scp_dev;
 575         const char              *oh_name, *name;
 576         struct omap_ocp2scp_platform_data *pdata;
 577
 578         if (!cpu_is_omap44xx())
 579                 return;
 580
 581         oh_name = "ocp2scp_usb_phy";
 582         name    = "omap-ocp2scp";
 583
 584         oh = omap_hwmod_lookup(oh_name);
 585         if (!oh) {
 586                 pr_err("%s: could not find omap_hwmod for %s\n", __func__,
 587                                                                 oh_name);
 588                 return;
 589         }
 590
 591         pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
 592         if (!pdata) {
 593                 pr_err("%s: No memory for ocp2scp pdata\n", __func__);
 594                 return;
 595         }
 596
 597         ocp2scp_dev = oh->dev_attr;
 598         dev_cnt = count_ocp2scp_devices(ocp2scp_dev);
 599
 600         if (!dev_cnt) {
 601                 pr_err("%s: No devices connected to ocp2scp\n", __func__);
 602                 kfree(pdata);
 603                 return;
 604         }
 605
 606         pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *)
 607                                         * dev_cnt, GFP_KERNEL);
 608         if (!pdata->devices) {
 609                 pr_err("%s: No memory for ocp2scp pdata devices\n", __func__);
 610                 kfree(pdata);
 611                 return;
 612         }
 613
 614         for (i = 0; i < dev_cnt; i++, ocp2scp_dev++)
 615                 pdata->devices[i] = ocp2scp_dev;
 616
 617         pdata->dev_cnt  = dev_cnt;
 618
 619         pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata));
 620         if (IS_ERR(pdev)) {
 621                 pr_err("Could not build omap_device for %s %s\n",
 622                                                 name, oh_name);
 623                 kfree(pdata->devices);
 624                 kfree(pdata);
 625                 return;
 626         }
 627 }
 628 #else
 629 static inline void omap_init_ocp2scp(void) { }
 630 #endif
 631
 632 /*-------------------------------------------------------------------------*/
 633
 634 static int __init omap2_init_devices(void)
 635 {
 636         /* Enable dummy states for those platforms without pinctrl support */
 637         if (!of_have_populated_dt())
 638                 pinctrl_provide_dummies();
 639
 640         /*
 641          * please keep these calls, and their implementations above,
 642          * in alphabetical order so they're easier to sort through.
 643          */
 644         omap_init_audio();
 645         omap_init_camera();
 646         omap_init_hdmi_audio();
 647         omap_init_mbox();
 648         /* If dtb is there, the devices will be created dynamically */
 649         if (!of_have_populated_dt()) {
 650                 omap_init_control_usb();
 651                 omap_init_dmic();
 652                 omap_init_mcpdm();
 653                 omap_init_mcspi();
 654                 omap_init_sham();
 655                 omap_init_aes();
 656         }
 657         omap_init_sti();
 658         omap_init_rng();
 659         omap_init_vout();
 660         omap_init_ocp2scp();
 661
 662         return 0;
 663 }
 664 omap_arch_initcall(omap2_init_devices);