board/ti/beagle/beagle.c

   1 /*
   2  * (C) Copyright 2004-2011
   3  * Texas Instruments, <www.ti.com>
   4  *
   5  * Author :
   6  *      Sunil Kumar <sunilsaini05@gmail.com>
   7  *      Shashi Ranjan <shashiranjanmca05@gmail.com>
   8  *
   9  * Derived from Beagle Board and 3430 SDP code by
  10  *      Richard Woodruff <r-woodruff2@ti.com>
  11  *      Syed Mohammed Khasim <khasim@ti.com>
  12  *
  13  *
  14  * See file CREDITS for list of people who contributed to this
  15  * project.
  16  *
  17  * This program is free software; you can redistribute it and/or
  18  * modify it under the terms of the GNU General Public License as
  19  * published by the Free Software Foundation; either version 2 of
  20  * the License, or (at your option) any later version.
  21  *
  22  * This program is distributed in the hope that it will be useful,
  23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  * GNU General Public License for more details.
  26  *
  27  * You should have received a copy of the GNU General Public License
  28  * along with this program; if not, write to the Free Software
  29  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  30  * MA 02111-1307 USA
  31  */
  32 #include <common.h>
  33 #ifdef CONFIG_STATUS_LED
  34 #include <status_led.h>
  35 #endif
  36 #include <twl4030.h>
  37 #include <linux/mtd/nand.h>
  38 #include <asm/io.h>
  39 #include <asm/arch/mmc_host_def.h>
  40 #include <asm/arch/mux.h>
  41 #include <asm/arch/mem.h>
  42 #include <asm/arch/sys_proto.h>
  43 #include <asm/gpio.h>
  44 #include <asm/mach-types.h>
  45 #include <asm/omap_musb.h>
  46 #include <asm/errno.h>
  47 #include <linux/usb/ch9.h>
  48 #include <linux/usb/gadget.h>
  49 #include <linux/usb/musb.h>
  50 #include "beagle.h"
  51 #include <command.h>
  52
  53 #ifdef CONFIG_USB_EHCI
  54 #include <usb.h>
  55 #include <asm/ehci-omap.h>
  56 #endif
  57
  58 #define TWL4030_I2C_BUS                 0
  59 #define EXPANSION_EEPROM_I2C_BUS        1
  60 #define EXPANSION_EEPROM_I2C_ADDRESS    0x50
  61
  62 #define TINCANTOOLS_ZIPPY               0x01000100
  63 #define TINCANTOOLS_ZIPPY2              0x02000100
  64 #define TINCANTOOLS_TRAINER             0x04000100
  65 #define TINCANTOOLS_SHOWDOG             0x03000100
  66 #define KBADC_BEAGLEFPGA                0x01000600
  67 #define LW_BEAGLETOUCH                  0x01000700
  68 #define BRAINMUX_LCDOG                  0x01000800
  69 #define BRAINMUX_LCDOGTOUCH             0x02000800
  70 #define BBTOYS_WIFI                     0x01000B00
  71 #define BBTOYS_VGA                      0x02000B00
  72 #define BBTOYS_LCD                      0x03000B00
  73 #define BCT_BRETTL3                     0x01000F00
  74 #define BCT_BRETTL4                     0x02000F00
  75 #define BEAGLE_NO_EEPROM                0xffffffff
  76
  77 DECLARE_GLOBAL_DATA_PTR;
  78
  79 static struct {
  80         unsigned int device_vendor;
  81         unsigned char revision;
  82         unsigned char content;
  83         char fab_revision[8];
  84         char env_var[16];
  85         char env_setting[64];
  86 } expansion_config;
  87
  88 /*
  89  * Routine: board_init
  90  * Description: Early hardware init.
  91  */
  92 int board_init(void)
  93 {
  94         gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
  95         /* board id for Linux */
  96         gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE;
  97         /* boot param addr */
  98         gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
  99
 100 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
 101         status_led_set (STATUS_LED_BOOT, STATUS_LED_ON);
 102 #endif
 103
 104         return 0;
 105 }
 106
 107 /*
 108  * Routine: get_board_revision
 109  * Description: Detect if we are running on a Beagle revision Ax/Bx,
 110  *              C1/2/3, C4 or xM. This can be done by reading
 111  *              the level of GPIO173, GPIO172 and GPIO171. This should
 112  *              result in
 113  *              GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
 114  *              GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
 115  *              GPIO173, GPIO172, GPIO171: 1 0 1 => C4
 116  *              GPIO173, GPIO172, GPIO171: 0 0 0 => xM
 117  */
 118 static int get_board_revision(void)
 119 {
 120         int revision;
 121
 122         if (!gpio_request(171, "") &&
 123             !gpio_request(172, "") &&
 124             !gpio_request(173, "")) {
 125
 126                 gpio_direction_input(171);
 127                 gpio_direction_input(172);
 128                 gpio_direction_input(173);
 129
 130                 revision = gpio_get_value(173) << 2 |
 131                            gpio_get_value(172) << 1 |
 132                            gpio_get_value(171);
 133         } else {
 134                 printf("Error: unable to acquire board revision GPIOs\n");
 135                 revision = -1;
 136         }
 137
 138         return revision;
 139 }
 140
 141 #ifdef CONFIG_SPL_BUILD
 142 /*
 143  * Routine: get_board_mem_timings
 144  * Description: If we use SPL then there is no x-loader nor config header
 145  * so we have to setup the DDR timings ourself on both banks.
 146  */
 147 void get_board_mem_timings(u32 *mcfg, u32 *ctrla, u32 *ctrlb, u32 *rfr_ctrl,
 148                 u32 *mr)
 149 {
 150         int pop_mfr, pop_id;
 151
 152         /*
 153          * We need to identify what PoP memory is on the board so that
 154          * we know what timings to use.  If we can't identify it then
 155          * we know it's an xM.  To map the ID values please see nand_ids.c
 156          */
 157         identify_nand_chip(&pop_mfr, &pop_id);
 158
 159         *mr = MICRON_V_MR_165;
 160         switch (get_board_revision()) {
 161         case REVISION_C4:
 162                 if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
 163                         /* 512MB DDR */
 164                         *mcfg = NUMONYX_V_MCFG_165(512 << 20);
 165                         *ctrla = NUMONYX_V_ACTIMA_165;
 166                         *ctrlb = NUMONYX_V_ACTIMB_165;
 167                         *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
 168                         break;
 169                 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
 170                         /* Beagleboard Rev C4, 512MB Nand/256MB DDR*/
 171                         *mcfg = MICRON_V_MCFG_165(128 << 20);
 172                         *ctrla = MICRON_V_ACTIMA_165;
 173                         *ctrlb = MICRON_V_ACTIMB_165;
 174                         *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
 175                         break;
 176                 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
 177                         /* Beagleboard Rev C5, 256MB DDR */
 178                         *mcfg = MICRON_V_MCFG_200(256 << 20);
 179                         *ctrla = MICRON_V_ACTIMA_200;
 180                         *ctrlb = MICRON_V_ACTIMB_200;
 181                         *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
 182                         break;
 183                 }
 184         case REVISION_XM_A:
 185         case REVISION_XM_B:
 186         case REVISION_XM_C:
 187                 if (pop_mfr == 0) {
 188                         /* 256MB DDR */
 189                         *mcfg = MICRON_V_MCFG_200(256 << 20);
 190                         *ctrla = MICRON_V_ACTIMA_200;
 191                         *ctrlb = MICRON_V_ACTIMB_200;
 192                         *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
 193                 } else {
 194                         /* 512MB DDR */
 195                         *mcfg = NUMONYX_V_MCFG_165(512 << 20);
 196                         *ctrla = NUMONYX_V_ACTIMA_165;
 197                         *ctrlb = NUMONYX_V_ACTIMB_165;
 198                         *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
 199                 }
 200                 break;
 201         default:
 202                 /* Assume 128MB and Micron/165MHz timings to be safe */
 203                 *mcfg = MICRON_V_MCFG_165(128 << 20);
 204                 *ctrla = MICRON_V_ACTIMA_165;
 205                 *ctrlb = MICRON_V_ACTIMB_165;
 206                 *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
 207         }
 208 }
 209 #endif
 210
 211 /*
 212  * Routine: get_expansion_id
 213  * Description: This function checks for expansion board by checking I2C
 214  *              bus 1 for the availability of an AT24C01B serial EEPROM.
 215  *              returns the device_vendor field from the EEPROM
 216  */
 217 static unsigned int get_expansion_id(void)
 218 {
 219         i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
 220
 221         /* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
 222         if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
 223                 i2c_set_bus_num(TWL4030_I2C_BUS);
 224                 return BEAGLE_NO_EEPROM;
 225         }
 226
 227         /* read configuration data */
 228         i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
 229                  sizeof(expansion_config));
 230
 231         i2c_set_bus_num(TWL4030_I2C_BUS);
 232
 233         return expansion_config.device_vendor;
 234 }
 235
 236 #ifdef CONFIG_VIDEO_OMAP3
 237 /*
 238  * Configure DSS to display background color on DVID
 239  * Configure VENC to display color bar on S-Video
 240  */
 241 static void beagle_display_init(void)
 242 {
 243         omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
 244         switch (get_board_revision()) {
 245         case REVISION_AXBX:
 246         case REVISION_CX:
 247         case REVISION_C4:
 248                 omap3_dss_panel_config(&dvid_cfg);
 249                 break;
 250         case REVISION_XM_A:
 251         case REVISION_XM_B:
 252         case REVISION_XM_C:
 253         default:
 254                 omap3_dss_panel_config(&dvid_cfg_xm);
 255                 break;
 256         }
 257 }
 258
 259 /*
 260  * Enable DVI power
 261  */
 262 static void beagle_dvi_pup(void)
 263 {
 264         uchar val;
 265
 266         switch (get_board_revision()) {
 267         case REVISION_AXBX:
 268         case REVISION_CX:
 269         case REVISION_C4:
 270         case REVISION_XM_A:
 271                 gpio_request(170, "");
 272                 gpio_direction_output(170, 0);
 273                 gpio_set_value(170, 1);
 274                 break;
 275         case REVISION_XM_B:
 276         case REVISION_XM_C:
 277         default:
 278                 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
 279                 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
 280
 281                 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
 282                 val |= 4;
 283                 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
 284
 285                 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
 286                 val |= 4;
 287                 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
 288                 break;
 289         }
 290 }
 291 #endif
 292
 293 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
 294 static struct musb_hdrc_config musb_config = {
 295         .multipoint     = 1,
 296         .dyn_fifo       = 1,
 297         .num_eps        = 16,
 298         .ram_bits       = 12,
 299 };
 300
 301 static struct omap_musb_board_data musb_board_data = {
 302         .interface_type = MUSB_INTERFACE_ULPI,
 303 };
 304
 305 static struct musb_hdrc_platform_data musb_plat = {
 306 #if defined(CONFIG_MUSB_HOST)
 307         .mode           = MUSB_HOST,
 308 #elif defined(CONFIG_MUSB_GADGET)
 309         .mode           = MUSB_PERIPHERAL,
 310 #else
 311 #error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
 312 #endif
 313         .config         = &musb_config,
 314         .power          = 100,
 315         .platform_ops   = &omap2430_ops,
 316         .board_data     = &musb_board_data,
 317 };
 318 #endif
 319
 320 /*
 321  * Routine: misc_init_r
 322  * Description: Configure board specific parts
 323  */
 324 int misc_init_r(void)
 325 {
 326         struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
 327         struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
 328         struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
 329
 330         /* Enable i2c2 pullup resisters */
 331         writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1);
 332
 333         switch (get_board_revision()) {
 334         case REVISION_AXBX:
 335                 printf("Beagle Rev Ax/Bx\n");
 336                 setenv("beaglerev", "AxBx");
 337                 break;
 338         case REVISION_CX:
 339                 printf("Beagle Rev C1/C2/C3\n");
 340                 setenv("beaglerev", "Cx");
 341                 MUX_BEAGLE_C();
 342                 break;
 343         case REVISION_C4:
 344                 printf("Beagle Rev C4\n");
 345                 setenv("beaglerev", "C4");
 346                 MUX_BEAGLE_C();
 347                 /* Set VAUX2 to 1.8V for EHCI PHY */
 348                 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
 349                                         TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
 350                                         TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
 351                                         TWL4030_PM_RECEIVER_DEV_GRP_P1);
 352                 break;
 353         case REVISION_XM_A:
 354                 printf("Beagle xM Rev A\n");
 355                 setenv("beaglerev", "xMA");
 356                 MUX_BEAGLE_XM();
 357                 /* Set VAUX2 to 1.8V for EHCI PHY */
 358                 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
 359                                         TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
 360                                         TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
 361                                         TWL4030_PM_RECEIVER_DEV_GRP_P1);
 362                 break;
 363         case REVISION_XM_B:
 364                 printf("Beagle xM Rev B\n");
 365                 setenv("beaglerev", "xMB");
 366                 MUX_BEAGLE_XM();
 367                 /* Set VAUX2 to 1.8V for EHCI PHY */
 368                 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
 369                                         TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
 370                                         TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
 371                                         TWL4030_PM_RECEIVER_DEV_GRP_P1);
 372                 break;
 373         case REVISION_XM_C:
 374                 printf("Beagle xM Rev C\n");
 375                 setenv("beaglerev", "xMC");
 376                 MUX_BEAGLE_XM();
 377                 /* Set VAUX2 to 1.8V for EHCI PHY */
 378                 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
 379                                         TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
 380                                         TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
 381                                         TWL4030_PM_RECEIVER_DEV_GRP_P1);
 382                 break;
 383         default:
 384                 printf("Beagle unknown 0x%02x\n", get_board_revision());
 385                 MUX_BEAGLE_XM();
 386                 /* Set VAUX2 to 1.8V for EHCI PHY */
 387                 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
 388                                         TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
 389                                         TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
 390                                         TWL4030_PM_RECEIVER_DEV_GRP_P1);
 391         }
 392
 393         switch (get_expansion_id()) {
 394         case TINCANTOOLS_ZIPPY:
 395                 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
 396                         expansion_config.revision,
 397                         expansion_config.fab_revision);
 398                 MUX_TINCANTOOLS_ZIPPY();
 399                 setenv("buddy", "zippy");
 400                 break;
 401         case TINCANTOOLS_ZIPPY2:
 402                 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
 403                         expansion_config.revision,
 404                         expansion_config.fab_revision);
 405                 MUX_TINCANTOOLS_ZIPPY();
 406                 setenv("buddy", "zippy2");
 407                 break;
 408         case TINCANTOOLS_TRAINER:
 409                 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
 410                         expansion_config.revision,
 411                         expansion_config.fab_revision);
 412                 MUX_TINCANTOOLS_ZIPPY();
 413                 MUX_TINCANTOOLS_TRAINER();
 414                 setenv("buddy", "trainer");
 415                 break;
 416         case TINCANTOOLS_SHOWDOG:
 417                 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
 418                         expansion_config.revision,
 419                         expansion_config.fab_revision);
 420                 /* Place holder for DSS2 definition for showdog lcd */
 421                 setenv("defaultdisplay", "showdoglcd");
 422                 setenv("buddy", "showdog");
 423                 break;
 424         case KBADC_BEAGLEFPGA:
 425                 printf("Recognized KBADC Beagle FPGA board\n");
 426                 MUX_KBADC_BEAGLEFPGA();
 427                 setenv("buddy", "beaglefpga");
 428                 break;
 429         case LW_BEAGLETOUCH:
 430                 printf("Recognized Liquidware BeagleTouch board\n");
 431                 setenv("buddy", "beagletouch");
 432                 break;
 433         case BRAINMUX_LCDOG:
 434                 printf("Recognized Brainmux LCDog board\n");
 435                 setenv("buddy", "lcdog");
 436                 break;
 437         case BRAINMUX_LCDOGTOUCH:
 438                 printf("Recognized Brainmux LCDog Touch board\n");
 439                 setenv("buddy", "lcdogtouch");
 440                 break;
 441         case BBTOYS_WIFI:
 442                 printf("Recognized BeagleBoardToys WiFi board\n");
 443                 MUX_BBTOYS_WIFI()
 444                 setenv("buddy", "bbtoys-wifi");
 445                 break;;
 446         case BBTOYS_VGA:
 447                 printf("Recognized BeagleBoardToys VGA board\n");
 448                 break;;
 449         case BBTOYS_LCD:
 450                 printf("Recognized BeagleBoardToys LCD board\n");
 451                 break;;
 452         case BCT_BRETTL3:
 453                 printf("Recognized bct electronic GmbH brettl3 board\n");
 454                 break;
 455         case BCT_BRETTL4:
 456                 printf("Recognized bct electronic GmbH brettl4 board\n");
 457                 break;
 458         case BEAGLE_NO_EEPROM:
 459                 printf("No EEPROM on expansion board\n");
 460                 setenv("buddy", "none");
 461                 break;
 462         default:
 463                 printf("Unrecognized expansion board: %x\n",
 464                         expansion_config.device_vendor);
 465                 setenv("buddy", "unknown");
 466         }
 467
 468         if (expansion_config.content == 1)
 469                 setenv(expansion_config.env_var, expansion_config.env_setting);
 470
 471         twl4030_power_init();
 472         switch (get_board_revision()) {
 473         case REVISION_XM_A:
 474         case REVISION_XM_B:
 475                 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
 476                 break;
 477         default:
 478                 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
 479                 break;
 480         }
 481
 482         /* Set GPIO states before they are made outputs */
 483         writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
 484                 &gpio6_base->setdataout);
 485         writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
 486                 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
 487
 488         /* Configure GPIOs to output */
 489         writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
 490         writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
 491                 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
 492
 493         dieid_num_r();
 494
 495 #ifdef CONFIG_VIDEO_OMAP3
 496         beagle_dvi_pup();
 497         beagle_display_init();
 498         omap3_dss_enable();
 499 #endif
 500
 501 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
 502         musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
 503 #endif
 504
 505         return 0;
 506 }
 507
 508 /*
 509  * Routine: set_muxconf_regs
 510  * Description: Setting up the configuration Mux registers specific to the
 511  *              hardware. Many pins need to be moved from protect to primary
 512  *              mode.
 513  */
 514 void set_muxconf_regs(void)
 515 {
 516         MUX_BEAGLE();
 517 }
 518
 519 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
 520 int board_mmc_init(bd_t *bis)
 521 {
 522         omap_mmc_init(0, 0, 0);
 523         return 0;
 524 }
 525 #endif
 526
 527 #if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
 528 /* Call usb_stop() before starting the kernel */
 529 void show_boot_progress(int val)
 530 {
 531         if (val == BOOTSTAGE_ID_RUN_OS)
 532                 usb_stop();
 533 }
 534
 535 static struct omap_usbhs_board_data usbhs_bdata = {
 536         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 537         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 538         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
 539 };
 540
 541 int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 542 {
 543         return omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor);
 544 }
 545
 546 int ehci_hcd_stop(int index)
 547 {
 548         return omap_ehci_hcd_stop();
 549 }
 550
 551 #endif /* CONFIG_USB_EHCI */
 552
 553 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
 554 int board_eth_init(bd_t *bis)
 555 {
 556         return usb_eth_initialize(bis);
 557 }
 558 #endif