1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Platform level USB initialization for FS USB OTG controller on omap1 4 * 5 * Copyright (C) 2004 Texas Instruments, Inc. 6 */ 7 8#include <linux/module.h> 9#include <linux/kernel.h> 10#include <linux/init.h> 11#include <linux/platform_device.h> 12#include <linux/dma-map-ops.h> 13#include <linux/io.h> 14#include <linux/delay.h> 15#include <linux/soc/ti/omap1-io.h> 16 17#include <asm/irq.h> 18 19#include "hardware.h" 20#include "mux.h" 21#include "usb.h" 22#include "common.h" 23 24/* These routines should handle the standard chip-specific modes 25 * for usb0/1/2 ports, covering basic mux and transceiver setup. 26 * 27 * Some board-*.c files will need to set up additional mux options, 28 * like for suspend handling, vbus sensing, GPIOs, and the D+ pullup. 29 */ 30 31/* TESTED ON: 32 * - 1611B H2 (with usb1 mini-AB) using standard Mini-B or OTG cables 33 * - 5912 OSK OHCI (with usb0 standard-A), standard A-to-B cables 34 * - 5912 OSK UDC, with *nonstandard* A-to-A cable 35 * - 1510 Innovator UDC with bundled usb0 cable 36 * - 1510 Innovator OHCI with bundled usb1/usb2 cable 37 * - 1510 Innovator OHCI with custom usb0 cable, feeding 5V VBUS 38 * - 1710 custom development board using alternate pin group 39 * - 1710 H3 (with usb1 mini-AB) using standard Mini-B or OTG cables 40 */ 41 42#define INT_USB_IRQ_GEN IH2_BASE + 20 43#define INT_USB_IRQ_NISO IH2_BASE + 30 44#define INT_USB_IRQ_ISO IH2_BASE + 29 45#define INT_USB_IRQ_HGEN INT_USB_HHC_1 46#define INT_USB_IRQ_OTG IH2_BASE + 8 47 48#ifdef CONFIG_ARCH_OMAP_OTG 49 50static void __init 51omap_otg_init(struct omap_usb_config *config) 52{ 53 u32 syscon; 54 int alt_pingroup = 0; 55 u16 w; 56 57 /* NOTE: no bus or clock setup (yet?) */ 58 59 syscon = omap_readl(OTG_SYSCON_1) & 0xffff; 60 if (!(syscon & OTG_RESET_DONE)) 61 pr_debug("USB resets not complete?\n"); 62 63 //omap_writew(0, OTG_IRQ_EN); 64 65 /* pin muxing and transceiver pinouts */ 66 if (config->pins[0] > 2) /* alt pingroup 2 */ 67 alt_pingroup = 1; 68 syscon |= config->usb0_init(config->pins[0], is_usb0_device(config)); 69 syscon |= config->usb1_init(config->pins[1]); 70 syscon |= config->usb2_init(config->pins[2], alt_pingroup); 71 pr_debug("OTG_SYSCON_1 = %08x\n", omap_readl(OTG_SYSCON_1)); 72 omap_writel(syscon, OTG_SYSCON_1); 73 74 syscon = config->hmc_mode; 75 syscon |= USBX_SYNCHRO | (4 << 16) /* B_ASE0_BRST */; 76#ifdef CONFIG_USB_OTG 77 if (config->otg) 78 syscon |= OTG_EN; 79#endif 80 pr_debug("USB_TRANSCEIVER_CTRL = %03x\n", 81 omap_readl(USB_TRANSCEIVER_CTRL)); 82 pr_debug("OTG_SYSCON_2 = %08x\n", omap_readl(OTG_SYSCON_2)); 83 omap_writel(syscon, OTG_SYSCON_2); 84 85 printk("USB: hmc %d", config->hmc_mode); 86 if (!alt_pingroup) 87 pr_cont(", usb2 alt %d wires", config->pins[2]); 88 else if (config->pins[0]) 89 pr_cont(", usb0 %d wires%s", config->pins[0], 90 is_usb0_device(config) ? " (dev)" : ""); 91 if (config->pins[1]) 92 pr_cont(", usb1 %d wires", config->pins[1]); 93 if (!alt_pingroup && config->pins[2]) 94 pr_cont(", usb2 %d wires", config->pins[2]); 95 if (config->otg) 96 pr_cont(", Mini-AB on usb%d", config->otg - 1); 97 pr_cont("\n"); 98 99 /* leave USB clocks/controllers off until needed */ 100 w = omap_readw(ULPD_SOFT_REQ); 101 w &= ~SOFT_USB_CLK_REQ; 102 omap_writew(w, ULPD_SOFT_REQ); 103 104 w = omap_readw(ULPD_CLOCK_CTRL); 105 w &= ~USB_MCLK_EN; 106 w |= DIS_USB_PVCI_CLK; 107 omap_writew(w, ULPD_CLOCK_CTRL); 108 109 syscon = omap_readl(OTG_SYSCON_1); 110 syscon |= HST_IDLE_EN|DEV_IDLE_EN|OTG_IDLE_EN; 111 112#if IS_ENABLED(CONFIG_USB_OMAP) 113 if (config->otg || config->register_dev) { 114 struct platform_device *udc_device = config->udc_device; 115 int status; 116 117 syscon &= ~DEV_IDLE_EN; 118 udc_device->dev.platform_data = config; 119 status = platform_device_register(udc_device); 120 if (status) 121 pr_debug("can't register UDC device, %d\n", status); 122 } 123#endif 124 125#if IS_ENABLED(CONFIG_USB_OHCI_HCD) 126 if (config->otg || config->register_host) { 127 struct platform_device *ohci_device = config->ohci_device; 128 int status; 129 130 syscon &= ~HST_IDLE_EN; 131 ohci_device->dev.platform_data = config; 132 status = platform_device_register(ohci_device); 133 if (status) 134 pr_debug("can't register OHCI device, %d\n", status); 135 } 136#endif 137 138#ifdef CONFIG_USB_OTG 139 if (config->otg) { 140 struct platform_device *otg_device = config->otg_device; 141 int status; 142 143 syscon &= ~OTG_IDLE_EN; 144 otg_device->dev.platform_data = config; 145 status = platform_device_register(otg_device); 146 if (status) 147 pr_debug("can't register OTG device, %d\n", status); 148 } 149#endif 150 pr_debug("OTG_SYSCON_1 = %08x\n", omap_readl(OTG_SYSCON_1)); 151 omap_writel(syscon, OTG_SYSCON_1); 152} 153 154#else 155static void omap_otg_init(struct omap_usb_config *config) {} 156#endif 157 158#if IS_ENABLED(CONFIG_USB_OMAP) 159 160static struct resource udc_resources[] = { 161 /* order is significant! */ 162 { /* registers */ 163 .start = UDC_BASE, 164 .end = UDC_BASE + 0xff, 165 .flags = IORESOURCE_MEM, 166 }, { /* general IRQ */ 167 .start = INT_USB_IRQ_GEN, 168 .flags = IORESOURCE_IRQ, 169 }, { /* PIO IRQ */ 170 .start = INT_USB_IRQ_NISO, 171 .flags = IORESOURCE_IRQ, 172 }, { /* SOF IRQ */ 173 .start = INT_USB_IRQ_ISO, 174 .flags = IORESOURCE_IRQ, 175 }, 176}; 177 178static u64 udc_dmamask = ~(u32)0; 179 180static struct platform_device udc_device = { 181 .name = "omap_udc", 182 .id = -1, 183 .dev = { 184 .dma_mask = &udc_dmamask, 185 .coherent_dma_mask = 0xffffffff, 186 }, 187 .num_resources = ARRAY_SIZE(udc_resources), 188 .resource = udc_resources, 189}; 190 191static inline void udc_device_init(struct omap_usb_config *pdata) 192{ 193 pdata->udc_device = &udc_device; 194} 195 196#else 197 198static inline void udc_device_init(struct omap_usb_config *pdata) 199{ 200} 201 202#endif 203 204/* The dmamask must be set for OHCI to work */ 205static u64 ohci_dmamask = ~(u32)0; 206 207static struct resource ohci_resources[] = { 208 { 209 .start = OMAP_OHCI_BASE, 210 .end = OMAP_OHCI_BASE + 0xff, 211 .flags = IORESOURCE_MEM, 212 }, 213 { 214 .start = INT_USB_IRQ_HGEN, 215 .flags = IORESOURCE_IRQ, 216 }, 217}; 218 219static struct platform_device ohci_device = { 220 .name = "ohci", 221 .id = -1, 222 .dev = { 223 .dma_mask = &ohci_dmamask, 224 .coherent_dma_mask = 0xffffffff, 225 }, 226 .num_resources = ARRAY_SIZE(ohci_resources), 227 .resource = ohci_resources, 228}; 229 230static inline void ohci_device_init(struct omap_usb_config *pdata) 231{ 232 if (!IS_ENABLED(CONFIG_USB_OHCI_HCD)) 233 return; 234 235 pdata->ohci_device = &ohci_device; 236 pdata->ocpi_enable = &ocpi_enable; 237} 238 239#if defined(CONFIG_USB_OTG) && defined(CONFIG_ARCH_OMAP_OTG) 240 241static struct resource otg_resources[] = { 242 /* order is significant! */ 243 { 244 .start = OTG_BASE, 245 .end = OTG_BASE + 0xff, 246 .flags = IORESOURCE_MEM, 247 }, { 248 .start = INT_USB_IRQ_OTG, 249 .flags = IORESOURCE_IRQ, 250 }, 251}; 252 253static struct platform_device otg_device = { 254 .name = "omap_otg", 255 .id = -1, 256 .num_resources = ARRAY_SIZE(otg_resources), 257 .resource = otg_resources, 258}; 259 260static inline void otg_device_init(struct omap_usb_config *pdata) 261{ 262 pdata->otg_device = &otg_device; 263} 264 265#else 266 267static inline void otg_device_init(struct omap_usb_config *pdata) 268{ 269} 270 271#endif 272 273static u32 __init omap1_usb0_init(unsigned nwires, unsigned is_device) 274{ 275 u32 syscon1 = 0; 276 277 if (nwires == 0) { 278 if (!cpu_is_omap15xx()) { 279 u32 l; 280 281 /* pulldown D+/D- */ 282 l = omap_readl(USB_TRANSCEIVER_CTRL); 283 l &= ~(3 << 1); 284 omap_writel(l, USB_TRANSCEIVER_CTRL); 285 } 286 return 0; 287 } 288 289 if (is_device) { 290 omap_cfg_reg(W4_USB_PUEN); 291 } 292 293 if (nwires == 2) { 294 u32 l; 295 296 // omap_cfg_reg(P9_USB_DP); 297 // omap_cfg_reg(R8_USB_DM); 298 299 if (cpu_is_omap15xx()) { 300 /* This works on 1510-Innovator */ 301 return 0; 302 } 303 304 /* NOTES: 305 * - peripheral should configure VBUS detection! 306 * - only peripherals may use the internal D+/D- pulldowns 307 * - OTG support on this port not yet written 308 */ 309 310 l = omap_readl(USB_TRANSCEIVER_CTRL); 311 l &= ~(7 << 4); 312 if (!is_device) 313 l |= (3 << 1); 314 omap_writel(l, USB_TRANSCEIVER_CTRL); 315 316 return 3 << 16; 317 } 318 319 /* alternate pin config, external transceiver */ 320 if (cpu_is_omap15xx()) { 321 printk(KERN_ERR "no usb0 alt pin config on 15xx\n"); 322 return 0; 323 } 324 325 omap_cfg_reg(V6_USB0_TXD); 326 omap_cfg_reg(W9_USB0_TXEN); 327 omap_cfg_reg(W5_USB0_SE0); 328 if (nwires != 3) 329 omap_cfg_reg(Y5_USB0_RCV); 330 331 /* NOTE: SPEED and SUSP aren't configured here. OTG hosts 332 * may be able to use I2C requests to set those bits along 333 * with VBUS switching and overcurrent detection. 334 */ 335 336 if (nwires != 6) { 337 u32 l; 338 339 l = omap_readl(USB_TRANSCEIVER_CTRL); 340 l &= ~CONF_USB2_UNI_R; 341 omap_writel(l, USB_TRANSCEIVER_CTRL); 342 } 343 344 switch (nwires) { 345 case 3: 346 syscon1 = 2; 347 break; 348 case 4: 349 syscon1 = 1; 350 break; 351 case 6: 352 syscon1 = 3; 353 { 354 u32 l; 355 356 omap_cfg_reg(AA9_USB0_VP); 357 omap_cfg_reg(R9_USB0_VM); 358 l = omap_readl(USB_TRANSCEIVER_CTRL); 359 l |= CONF_USB2_UNI_R; 360 omap_writel(l, USB_TRANSCEIVER_CTRL); 361 } 362 break; 363 default: 364 printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", 365 0, nwires); 366 } 367 368 return syscon1 << 16; 369} 370 371static u32 __init omap1_usb1_init(unsigned nwires) 372{ 373 u32 syscon1 = 0; 374 375 if (!cpu_is_omap15xx() && nwires != 6) { 376 u32 l; 377 378 l = omap_readl(USB_TRANSCEIVER_CTRL); 379 l &= ~CONF_USB1_UNI_R; 380 omap_writel(l, USB_TRANSCEIVER_CTRL); 381 } 382 if (nwires == 0) 383 return 0; 384 385 /* external transceiver */ 386 omap_cfg_reg(USB1_TXD); 387 omap_cfg_reg(USB1_TXEN); 388 if (nwires != 3) 389 omap_cfg_reg(USB1_RCV); 390 391 if (cpu_is_omap15xx()) { 392 omap_cfg_reg(USB1_SEO); 393 omap_cfg_reg(USB1_SPEED); 394 // SUSP 395 } else if (cpu_is_omap1610() || cpu_is_omap5912()) { 396 omap_cfg_reg(W13_1610_USB1_SE0); 397 omap_cfg_reg(R13_1610_USB1_SPEED); 398 // SUSP 399 } else if (cpu_is_omap1710()) { 400 omap_cfg_reg(R13_1710_USB1_SE0); 401 // SUSP 402 } else { 403 pr_debug("usb%d cpu unrecognized\n", 1); 404 return 0; 405 } 406 407 switch (nwires) { 408 case 2: 409 goto bad; 410 case 3: 411 syscon1 = 2; 412 break; 413 case 4: 414 syscon1 = 1; 415 break; 416 case 6: 417 syscon1 = 3; 418 omap_cfg_reg(USB1_VP); 419 omap_cfg_reg(USB1_VM); 420 if (!cpu_is_omap15xx()) { 421 u32 l; 422 423 l = omap_readl(USB_TRANSCEIVER_CTRL); 424 l |= CONF_USB1_UNI_R; 425 omap_writel(l, USB_TRANSCEIVER_CTRL); 426 } 427 break; 428 default: 429bad: 430 printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", 431 1, nwires); 432 } 433 434 return syscon1 << 20; 435} 436 437static u32 __init omap1_usb2_init(unsigned nwires, unsigned alt_pingroup) 438{ 439 u32 syscon1 = 0; 440 441 /* NOTE omap1 erratum: must leave USB2_UNI_R set if usb0 in use */ 442 if (alt_pingroup || nwires == 0) 443 return 0; 444 445 if (!cpu_is_omap15xx() && nwires != 6) { 446 u32 l; 447 448 l = omap_readl(USB_TRANSCEIVER_CTRL); 449 l &= ~CONF_USB2_UNI_R; 450 omap_writel(l, USB_TRANSCEIVER_CTRL); 451 } 452 453 /* external transceiver */ 454 if (cpu_is_omap15xx()) { 455 omap_cfg_reg(USB2_TXD); 456 omap_cfg_reg(USB2_TXEN); 457 omap_cfg_reg(USB2_SEO); 458 if (nwires != 3) 459 omap_cfg_reg(USB2_RCV); 460 /* there is no USB2_SPEED */ 461 } else if (cpu_is_omap16xx()) { 462 omap_cfg_reg(V6_USB2_TXD); 463 omap_cfg_reg(W9_USB2_TXEN); 464 omap_cfg_reg(W5_USB2_SE0); 465 if (nwires != 3) 466 omap_cfg_reg(Y5_USB2_RCV); 467 // FIXME omap_cfg_reg(USB2_SPEED); 468 } else { 469 pr_debug("usb%d cpu unrecognized\n", 1); 470 return 0; 471 } 472 473 // omap_cfg_reg(USB2_SUSP); 474 475 switch (nwires) { 476 case 2: 477 goto bad; 478 case 3: 479 syscon1 = 2; 480 break; 481 case 4: 482 syscon1 = 1; 483 break; 484 case 5: 485 goto bad; 486 case 6: 487 syscon1 = 3; 488 if (cpu_is_omap15xx()) { 489 omap_cfg_reg(USB2_VP); 490 omap_cfg_reg(USB2_VM); 491 } else { 492 u32 l; 493 494 omap_cfg_reg(AA9_USB2_VP); 495 omap_cfg_reg(R9_USB2_VM); 496 l = omap_readl(USB_TRANSCEIVER_CTRL); 497 l |= CONF_USB2_UNI_R; 498 omap_writel(l, USB_TRANSCEIVER_CTRL); 499 } 500 break; 501 default: 502bad: 503 printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", 504 2, nwires); 505 } 506 507 return syscon1 << 24; 508} 509 510#ifdef CONFIG_ARCH_OMAP15XX 511/* OMAP-1510 OHCI has its own MMU for DMA */ 512#define OMAP1510_LB_MEMSIZE 32 /* Should be same as SDRAM size */ 513#define OMAP1510_LB_CLOCK_DIV 0xfffec10c 514#define OMAP1510_LB_MMU_CTL 0xfffec208 515#define OMAP1510_LB_MMU_LCK 0xfffec224 516#define OMAP1510_LB_MMU_LD_TLB 0xfffec228 517#define OMAP1510_LB_MMU_CAM_H 0xfffec22c 518#define OMAP1510_LB_MMU_CAM_L 0xfffec230 519#define OMAP1510_LB_MMU_RAM_H 0xfffec234 520#define OMAP1510_LB_MMU_RAM_L 0xfffec238 521 522/* 523 * Bus address is physical address, except for OMAP-1510 Local Bus. 524 * OMAP-1510 bus address is translated into a Local Bus address if the 525 * OMAP bus type is lbus. 526 */ 527#define OMAP1510_LB_OFFSET UL(0x30000000) 528 529/* 530 * OMAP-1510 specific Local Bus clock on/off 531 */ 532static int omap_1510_local_bus_power(int on) 533{ 534 if (on) { 535 omap_writel((1 << 1) | (1 << 0), OMAP1510_LB_MMU_CTL); 536 udelay(200); 537 } else { 538 omap_writel(0, OMAP1510_LB_MMU_CTL); 539 } 540 541 return 0; 542} 543 544/* 545 * OMAP-1510 specific Local Bus initialization 546 * NOTE: This assumes 32MB memory size in OMAP1510LB_MEMSIZE. 547 * See also arch/mach-omap/memory.h for __virt_to_dma() and 548 * __dma_to_virt() which need to match with the physical 549 * Local Bus address below. 550 */ 551static int omap_1510_local_bus_init(void) 552{ 553 unsigned int tlb; 554 unsigned long lbaddr, physaddr; 555 556 omap_writel((omap_readl(OMAP1510_LB_CLOCK_DIV) & 0xfffffff8) | 0x4, 557 OMAP1510_LB_CLOCK_DIV); 558 559 /* Configure the Local Bus MMU table */ 560 for (tlb = 0; tlb < OMAP1510_LB_MEMSIZE; tlb++) { 561 lbaddr = tlb * 0x00100000 + OMAP1510_LB_OFFSET; 562 physaddr = tlb * 0x00100000 + PHYS_OFFSET; 563 omap_writel((lbaddr & 0x0fffffff) >> 22, OMAP1510_LB_MMU_CAM_H); 564 omap_writel(((lbaddr & 0x003ffc00) >> 6) | 0xc, 565 OMAP1510_LB_MMU_CAM_L); 566 omap_writel(physaddr >> 16, OMAP1510_LB_MMU_RAM_H); 567 omap_writel((physaddr & 0x0000fc00) | 0x300, OMAP1510_LB_MMU_RAM_L); 568 omap_writel(tlb << 4, OMAP1510_LB_MMU_LCK); 569 omap_writel(0x1, OMAP1510_LB_MMU_LD_TLB); 570 } 571 572 /* Enable the walking table */ 573 omap_writel(omap_readl(OMAP1510_LB_MMU_CTL) | (1 << 3), OMAP1510_LB_MMU_CTL); 574 udelay(200); 575 576 return 0; 577} 578 579static void omap_1510_local_bus_reset(void) 580{ 581 omap_1510_local_bus_power(1); 582 omap_1510_local_bus_init(); 583} 584 585/* ULPD_DPLL_CTRL */ 586#define DPLL_IOB (1 << 13) 587#define DPLL_PLL_ENABLE (1 << 4) 588#define DPLL_LOCK (1 << 0) 589 590/* ULPD_APLL_CTRL */ 591#define APLL_NDPLL_SWITCH (1 << 0) 592 593static void __init omap_1510_usb_init(struct omap_usb_config *config) 594{ 595 unsigned int val; 596 u16 w; 597 598 config->usb0_init(config->pins[0], is_usb0_device(config)); 599 config->usb1_init(config->pins[1]); 600 config->usb2_init(config->pins[2], 0); 601 602 val = omap_readl(MOD_CONF_CTRL_0) & ~(0x3f << 1); 603 val |= (config->hmc_mode << 1); 604 omap_writel(val, MOD_CONF_CTRL_0); 605 606 printk("USB: hmc %d", config->hmc_mode); 607 if (config->pins[0]) 608 pr_cont(", usb0 %d wires%s", config->pins[0], 609 is_usb0_device(config) ? " (dev)" : ""); 610 if (config->pins[1]) 611 pr_cont(", usb1 %d wires", config->pins[1]); 612 if (config->pins[2]) 613 pr_cont(", usb2 %d wires", config->pins[2]); 614 pr_cont("\n"); 615 616 /* use DPLL for 48 MHz function clock */ 617 pr_debug("APLL %04x DPLL %04x REQ %04x\n", omap_readw(ULPD_APLL_CTRL), 618 omap_readw(ULPD_DPLL_CTRL), omap_readw(ULPD_SOFT_REQ)); 619 620 w = omap_readw(ULPD_APLL_CTRL); 621 w &= ~APLL_NDPLL_SWITCH; 622 omap_writew(w, ULPD_APLL_CTRL); 623 624 w = omap_readw(ULPD_DPLL_CTRL); 625 w |= DPLL_IOB | DPLL_PLL_ENABLE; 626 omap_writew(w, ULPD_DPLL_CTRL); 627 628 w = omap_readw(ULPD_SOFT_REQ); 629 w |= SOFT_UDC_REQ | SOFT_DPLL_REQ; 630 omap_writew(w, ULPD_SOFT_REQ); 631 632 while (!(omap_readw(ULPD_DPLL_CTRL) & DPLL_LOCK)) 633 cpu_relax(); 634 635#if IS_ENABLED(CONFIG_USB_OMAP) 636 if (config->register_dev) { 637 int status; 638 639 udc_device.dev.platform_data = config; 640 status = platform_device_register(&udc_device); 641 if (status) 642 pr_debug("can't register UDC device, %d\n", status); 643 /* udc driver gates 48MHz by D+ pullup */ 644 } 645#endif 646 647 if (IS_ENABLED(CONFIG_USB_OHCI_HCD) && config->register_host) { 648 int status; 649 650 ohci_device.dev.platform_data = config; 651 dma_direct_set_offset(&ohci_device.dev, PHYS_OFFSET, 652 OMAP1510_LB_OFFSET, (u64)-1); 653 status = platform_device_register(&ohci_device); 654 if (status) 655 pr_debug("can't register OHCI device, %d\n", status); 656 /* hcd explicitly gates 48MHz */ 657 658 config->lb_reset = omap_1510_local_bus_reset; 659 } 660} 661 662#else 663static inline void omap_1510_usb_init(struct omap_usb_config *config) {} 664#endif 665 666void __init omap1_usb_init(struct omap_usb_config *_pdata) 667{ 668 struct omap_usb_config *pdata; 669 670 pdata = kmemdup(_pdata, sizeof(*pdata), GFP_KERNEL); 671 if (!pdata) 672 return; 673 674 pdata->usb0_init = omap1_usb0_init; 675 pdata->usb1_init = omap1_usb1_init; 676 pdata->usb2_init = omap1_usb2_init; 677 udc_device_init(pdata); 678 ohci_device_init(pdata); 679 otg_device_init(pdata); 680 681 if (cpu_is_omap16xx()) 682 omap_otg_init(pdata); 683 else if (cpu_is_omap15xx()) 684 omap_1510_usb_init(pdata); 685 else 686 printk(KERN_ERR "USB: No init for your chip yet\n"); 687} 688