arch/arm/mach-omap1/board-osk.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-osk.c
   3  *
   4  * Board specific init for OMAP5912 OSK
   5  *
   6  * Written by Dirk Behme <dirk.behme@de.bosch.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the
  10  * Free Software Foundation; either version 2 of the License, or (at your
  11  * option) any later version.
  12  *
  13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  14  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  15  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  16  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  19  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  *
  24  * You should have received a copy of the  GNU General Public License along
  25  * with this program; if not, write  to the Free Software Foundation, Inc.,
  26  * 675 Mass Ave, Cambridge, MA 02139, USA.
  27  */
  28 #include <linux/gpio.h>
  29 #include <linux/kernel.h>
  30 #include <linux/init.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/interrupt.h>
  33 #include <linux/irq.h>
  34 #include <linux/i2c.h>
  35 #include <linux/leds.h>
  36 #include <linux/smc91x.h>
  37 #include <linux/omapfb.h>
  38 #include <linux/mtd/mtd.h>
  39 #include <linux/mtd/partitions.h>
  40 #include <linux/mtd/physmap.h>
  41 #include <linux/mfd/tps65010.h>
  42 #include <linux/platform_data/gpio-omap.h>
  43 #include <linux/platform_data/omap1_bl.h>
  44
  45 #include <asm/mach-types.h>
  46 #include <asm/mach/arch.h>
  47 #include <asm/mach/map.h>
  48
  49 #include "flash.h"
  50 #include <mach/mux.h>
  51 #include <mach/tc.h>
  52
  53 #include <mach/hardware.h>
  54 #include <mach/usb.h>
  55
  56 #include "common.h"
  57
  58 /* At OMAP5912 OSK the Ethernet is directly connected to CS1 */
  59 #define OMAP_OSK_ETHR_START             0x04800300
  60
  61 /* TPS65010 has four GPIOs.  nPG and LED2 can be treated like GPIOs with
  62  * alternate pin configurations for hardware-controlled blinking.
  63  */
  64 #define OSK_TPS_GPIO_BASE               (OMAP_MAX_GPIO_LINES + 16 /* MPUIO */)
  65 #       define OSK_TPS_GPIO_USB_PWR_EN  (OSK_TPS_GPIO_BASE + 0)
  66 #       define OSK_TPS_GPIO_LED_D3      (OSK_TPS_GPIO_BASE + 1)
  67 #       define OSK_TPS_GPIO_LAN_RESET   (OSK_TPS_GPIO_BASE + 2)
  68 #       define OSK_TPS_GPIO_DSP_PWR_EN  (OSK_TPS_GPIO_BASE + 3)
  69 #       define OSK_TPS_GPIO_LED_D9      (OSK_TPS_GPIO_BASE + 4)
  70 #       define OSK_TPS_GPIO_LED_D2      (OSK_TPS_GPIO_BASE + 5)
  71
  72 static struct mtd_partition osk_partitions[] = {
  73         /* bootloader (U-Boot, etc) in first sector */
  74         {
  75               .name             = "bootloader",
  76               .offset           = 0,
  77               .size             = SZ_128K,
  78               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  79         },
  80         /* bootloader params in the next sector */
  81         {
  82               .name             = "params",
  83               .offset           = MTDPART_OFS_APPEND,
  84               .size             = SZ_128K,
  85               .mask_flags       = 0,
  86         }, {
  87               .name             = "kernel",
  88               .offset           = MTDPART_OFS_APPEND,
  89               .size             = SZ_2M,
  90               .mask_flags       = 0
  91         }, {
  92               .name             = "filesystem",
  93               .offset           = MTDPART_OFS_APPEND,
  94               .size             = MTDPART_SIZ_FULL,
  95               .mask_flags       = 0
  96         }
  97 };
  98
  99 static struct physmap_flash_data osk_flash_data = {
 100         .width          = 2,
 101         .set_vpp        = omap1_set_vpp,
 102         .parts          = osk_partitions,
 103         .nr_parts       = ARRAY_SIZE(osk_partitions),
 104 };
 105
 106 static struct resource osk_flash_resource = {
 107         /* this is on CS3, wherever it's mapped */
 108         .flags          = IORESOURCE_MEM,
 109 };
 110
 111 static struct platform_device osk5912_flash_device = {
 112         .name           = "physmap-flash",
 113         .id             = 0,
 114         .dev            = {
 115                 .platform_data  = &osk_flash_data,
 116         },
 117         .num_resources  = 1,
 118         .resource       = &osk_flash_resource,
 119 };
 120
 121 static struct smc91x_platdata osk5912_smc91x_info = {
 122         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 123         .leda   = RPC_LED_100_10,
 124         .ledb   = RPC_LED_TX_RX,
 125 };
 126
 127 static struct resource osk5912_smc91x_resources[] = {
 128         [0] = {
 129                 .start  = OMAP_OSK_ETHR_START,          /* Physical */
 130                 .end    = OMAP_OSK_ETHR_START + 0xf,
 131                 .flags  = IORESOURCE_MEM,
 132         },
 133         [1] = {
 134                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 135         },
 136 };
 137
 138 static struct platform_device osk5912_smc91x_device = {
 139         .name           = "smc91x",
 140         .id             = -1,
 141         .dev    = {
 142                 .platform_data  = &osk5912_smc91x_info,
 143         },
 144         .num_resources  = ARRAY_SIZE(osk5912_smc91x_resources),
 145         .resource       = osk5912_smc91x_resources,
 146 };
 147
 148 static struct resource osk5912_cf_resources[] = {
 149         [0] = {
 150                 .flags  = IORESOURCE_IRQ,
 151         },
 152 };
 153
 154 static struct platform_device osk5912_cf_device = {
 155         .name           = "omap_cf",
 156         .id             = -1,
 157         .dev = {
 158                 .platform_data  = (void *) 2 /* CS2 */,
 159         },
 160         .num_resources  = ARRAY_SIZE(osk5912_cf_resources),
 161         .resource       = osk5912_cf_resources,
 162 };
 163
 164 static struct platform_device *osk5912_devices[] __initdata = {
 165         &osk5912_flash_device,
 166         &osk5912_smc91x_device,
 167         &osk5912_cf_device,
 168 };
 169
 170 static struct gpio_led tps_leds[] = {
 171         /* NOTE:  D9 and D2 have hardware blink support.
 172          * Also, D9 requires non-battery power.
 173          */
 174         { .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9",
 175                         .default_trigger = "disk-activity", },
 176         { .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", },
 177         { .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1,
 178                         .default_trigger = "heartbeat", },
 179 };
 180
 181 static struct gpio_led_platform_data tps_leds_data = {
 182         .num_leds       = 3,
 183         .leds           = tps_leds,
 184 };
 185
 186 static struct platform_device osk5912_tps_leds = {
 187         .name                   = "leds-gpio",
 188         .id                     = 0,
 189         .dev.platform_data      = &tps_leds_data,
 190 };
 191
 192 static int osk_tps_setup(struct i2c_client *client, void *context)
 193 {
 194         if (!IS_BUILTIN(CONFIG_TPS65010))
 195                 return -ENOSYS;
 196
 197         /* Set GPIO 1 HIGH to disable VBUS power supply;
 198          * OHCI driver powers it up/down as needed.
 199          */
 200         gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
 201         gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
 202
 203         /* Set GPIO 2 high so LED D3 is off by default */
 204         tps65010_set_gpio_out_value(GPIO2, HIGH);
 205
 206         /* Set GPIO 3 low to take ethernet out of reset */
 207         gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset");
 208         gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0);
 209
 210         /* GPIO4 is VDD_DSP */
 211         gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power");
 212         gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1);
 213         /* REVISIT if DSP support isn't configured, power it off ... */
 214
 215         /* Let LED1 (D9) blink; leds-gpio may override it */
 216         tps65010_set_led(LED1, BLINK);
 217
 218         /* Set LED2 off by default */
 219         tps65010_set_led(LED2, OFF);
 220
 221         /* Enable LOW_PWR handshake */
 222         tps65010_set_low_pwr(ON);
 223
 224         /* Switch VLDO2 to 3.0V for AIC23 */
 225         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
 226                         | TPS_LDO1_ENABLE);
 227
 228         /* register these three LEDs */
 229         osk5912_tps_leds.dev.parent = &client->dev;
 230         platform_device_register(&osk5912_tps_leds);
 231
 232         return 0;
 233 }
 234
 235 static struct tps65010_board tps_board = {
 236         .base           = OSK_TPS_GPIO_BASE,
 237         .outmask        = 0x0f,
 238         .setup          = osk_tps_setup,
 239 };
 240
 241 static struct i2c_board_info __initdata osk_i2c_board_info[] = {
 242         {
 243                 I2C_BOARD_INFO("tps65010", 0x48),
 244                 .platform_data  = &tps_board,
 245
 246         },
 247         {
 248                 I2C_BOARD_INFO("tlv320aic23", 0x1B),
 249         },
 250         /* TODO when driver support is ready:
 251          *  - optionally on Mistral, ov9640 camera sensor at 0x30
 252          */
 253 };
 254
 255 static void __init osk_init_smc91x(void)
 256 {
 257         u32 l;
 258
 259         if ((gpio_request(0, "smc_irq")) < 0) {
 260                 printk("Error requesting gpio 0 for smc91x irq\n");
 261                 return;
 262         }
 263
 264         /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
 265         l = omap_readl(EMIFS_CCS(1));
 266         l |= 0x3;
 267         omap_writel(l, EMIFS_CCS(1));
 268 }
 269
 270 static void __init osk_init_cf(void)
 271 {
 272         omap_cfg_reg(M7_1610_GPIO62);
 273         if ((gpio_request(62, "cf_irq")) < 0) {
 274                 printk("Error requesting gpio 62 for CF irq\n");
 275                 return;
 276         }
 277         /* the CF I/O IRQ is really active-low */
 278         irq_set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING);
 279 }
 280
 281 static struct omap_usb_config osk_usb_config __initdata = {
 282         /* has usb host connector (A) ... for development it can also
 283          * be used, with a NONSTANDARD gender-bending cable/dongle, as
 284          * a peripheral.
 285          */
 286 #if IS_ENABLED(CONFIG_USB_OMAP)
 287         .register_dev   = 1,
 288         .hmc_mode       = 0,
 289 #else
 290         .register_host  = 1,
 291         .hmc_mode       = 16,
 292         .rwc            = 1,
 293 #endif
 294         .pins[0]        = 2,
 295 };
 296
 297 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 298 static struct omap_lcd_config osk_lcd_config __initdata = {
 299         .ctrl_name      = "internal",
 300 };
 301 #endif
 302
 303 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 304
 305 #include <linux/input.h>
 306 #include <linux/platform_data/at24.h>
 307 #include <linux/spi/spi.h>
 308 #include <linux/spi/ads7846.h>
 309
 310 #include <linux/platform_data/keypad-omap.h>
 311
 312 static struct at24_platform_data at24c04 = {
 313         .byte_len       = SZ_4K / 8,
 314         .page_size      = 16,
 315 };
 316
 317 static struct i2c_board_info __initdata mistral_i2c_board_info[] = {
 318         {
 319                 /* NOTE:  powered from LCD supply */
 320                 I2C_BOARD_INFO("24c04", 0x50),
 321                 .platform_data  = &at24c04,
 322         },
 323         /* TODO when driver support is ready:
 324          *  - optionally ov9640 camera sensor at 0x30
 325          */
 326 };
 327
 328 static const unsigned int osk_keymap[] = {
 329         /* KEY(col, row, code) */
 330         KEY(0, 0, KEY_F1),              /* SW4 */
 331         KEY(3, 0, KEY_UP),              /* (sw2/up) */
 332         KEY(1, 1, KEY_LEFTCTRL),        /* SW5 */
 333         KEY(2, 1, KEY_LEFT),            /* (sw2/left) */
 334         KEY(0, 2, KEY_SPACE),           /* SW3 */
 335         KEY(1, 2, KEY_ESC),             /* SW6 */
 336         KEY(2, 2, KEY_DOWN),            /* (sw2/down) */
 337         KEY(2, 3, KEY_ENTER),           /* (sw2/select) */
 338         KEY(3, 3, KEY_RIGHT),           /* (sw2/right) */
 339 };
 340
 341 static const struct matrix_keymap_data osk_keymap_data = {
 342         .keymap         = osk_keymap,
 343         .keymap_size    = ARRAY_SIZE(osk_keymap),
 344 };
 345
 346 static struct omap_kp_platform_data osk_kp_data = {
 347         .rows           = 8,
 348         .cols           = 8,
 349         .keymap_data    = &osk_keymap_data,
 350         .delay          = 9,
 351 };
 352
 353 static struct resource osk5912_kp_resources[] = {
 354         [0] = {
 355                 .start  = INT_KEYBOARD,
 356                 .end    = INT_KEYBOARD,
 357                 .flags  = IORESOURCE_IRQ,
 358         },
 359 };
 360
 361 static struct platform_device osk5912_kp_device = {
 362         .name           = "omap-keypad",
 363         .id             = -1,
 364         .dev            = {
 365                 .platform_data = &osk_kp_data,
 366         },
 367         .num_resources  = ARRAY_SIZE(osk5912_kp_resources),
 368         .resource       = osk5912_kp_resources,
 369 };
 370
 371 static struct omap_backlight_config mistral_bl_data = {
 372         .default_intensity      = 0xa0,
 373 };
 374
 375 static struct platform_device mistral_bl_device = {
 376         .name           = "omap-bl",
 377         .id             = -1,
 378         .dev            = {
 379                 .platform_data = &mistral_bl_data,
 380         },
 381 };
 382
 383 static struct platform_device osk5912_lcd_device = {
 384         .name           = "lcd_osk",
 385         .id             = -1,
 386 };
 387
 388 static struct gpio_led mistral_gpio_led_pins[] = {
 389         {
 390                 .name           = "mistral:red",
 391                 .default_trigger = "heartbeat",
 392                 .gpio           = 3,
 393         },
 394         {
 395                 .name           = "mistral:green",
 396                 .default_trigger = "cpu0",
 397                 .gpio           = OMAP_MPUIO(4),
 398         },
 399 };
 400
 401 static struct gpio_led_platform_data mistral_gpio_led_data = {
 402         .leds           = mistral_gpio_led_pins,
 403         .num_leds       = ARRAY_SIZE(mistral_gpio_led_pins),
 404 };
 405
 406 static struct platform_device mistral_gpio_leds = {
 407         .name   = "leds-gpio",
 408         .id     = -1,
 409         .dev    = {
 410                 .platform_data = &mistral_gpio_led_data,
 411         },
 412 };
 413
 414 static struct platform_device *mistral_devices[] __initdata = {
 415         &osk5912_kp_device,
 416         &mistral_bl_device,
 417         &osk5912_lcd_device,
 418         &mistral_gpio_leds,
 419 };
 420
 421 static int mistral_get_pendown_state(void)
 422 {
 423         return !gpio_get_value(4);
 424 }
 425
 426 static const struct ads7846_platform_data mistral_ts_info = {
 427         .model                  = 7846,
 428         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 429         .x_plate_ohms           = 419,
 430         .y_plate_ohms           = 486,
 431         .get_pendown_state      = mistral_get_pendown_state,
 432 };
 433
 434 static struct spi_board_info __initdata mistral_boardinfo[] = { {
 435         /* MicroWire (bus 2) CS0 has an ads7846e */
 436         .modalias               = "ads7846",
 437         .platform_data          = &mistral_ts_info,
 438         .max_speed_hz           = 120000 /* max sample rate at 3V */
 439                                         * 26 /* command + data + overhead */,
 440         .bus_num                = 2,
 441         .chip_select            = 0,
 442 } };
 443
 444 static irqreturn_t
 445 osk_mistral_wake_interrupt(int irq, void *ignored)
 446 {
 447         return IRQ_HANDLED;
 448 }
 449
 450 static void __init osk_mistral_init(void)
 451 {
 452         /* NOTE:  we could actually tell if there's a Mistral board
 453          * attached, e.g. by trying to read something from the ads7846.
 454          * But this arch_init() code is too early for that, since we
 455          * can't talk to the ads or even the i2c eeprom.
 456          */
 457
 458         /* parallel camera interface */
 459         omap_cfg_reg(J15_1610_CAM_LCLK);
 460         omap_cfg_reg(J18_1610_CAM_D7);
 461         omap_cfg_reg(J19_1610_CAM_D6);
 462         omap_cfg_reg(J14_1610_CAM_D5);
 463         omap_cfg_reg(K18_1610_CAM_D4);
 464         omap_cfg_reg(K19_1610_CAM_D3);
 465         omap_cfg_reg(K15_1610_CAM_D2);
 466         omap_cfg_reg(K14_1610_CAM_D1);
 467         omap_cfg_reg(L19_1610_CAM_D0);
 468         omap_cfg_reg(L18_1610_CAM_VS);
 469         omap_cfg_reg(L15_1610_CAM_HS);
 470         omap_cfg_reg(M19_1610_CAM_RSTZ);
 471         omap_cfg_reg(Y15_1610_CAM_OUTCLK);
 472
 473         /* serial camera interface */
 474         omap_cfg_reg(H19_1610_CAM_EXCLK);
 475         omap_cfg_reg(W13_1610_CCP_CLKM);
 476         omap_cfg_reg(Y12_1610_CCP_CLKP);
 477         /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
 478         /* omap_cfg_reg(Y14_1610_CCP_DATAM); */
 479         omap_cfg_reg(W14_1610_CCP_DATAP);
 480
 481         /* CAM_PWDN */
 482         if (gpio_request(11, "cam_pwdn") == 0) {
 483                 omap_cfg_reg(N20_1610_GPIO11);
 484                 gpio_direction_output(11, 0);
 485         } else
 486                 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
 487
 488
 489         /* omap_cfg_reg(P19_1610_GPIO6); */     /* BUSY */
 490         gpio_request(6, "ts_busy");
 491         gpio_direction_input(6);
 492
 493         omap_cfg_reg(P20_1610_GPIO4);   /* PENIRQ */
 494         gpio_request(4, "ts_int");
 495         gpio_direction_input(4);
 496         irq_set_irq_type(gpio_to_irq(4), IRQ_TYPE_EDGE_FALLING);
 497
 498         mistral_boardinfo[0].irq = gpio_to_irq(4);
 499         spi_register_board_info(mistral_boardinfo,
 500                         ARRAY_SIZE(mistral_boardinfo));
 501
 502         /* the sideways button (SW1) is for use as a "wakeup" button
 503          *
 504          * NOTE:  The Mistral board has the wakeup button (SW1) wired
 505          * to the LCD 3.3V rail, which is powered down during suspend.
 506          * To allow this button to wake up the omap, work around this
 507          * HW bug by rewiring SW1 to use the main 3.3V rail.
 508          */
 509         omap_cfg_reg(N15_1610_MPUIO2);
 510         if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
 511                 int ret = 0;
 512                 int irq = gpio_to_irq(OMAP_MPUIO(2));
 513
 514                 gpio_direction_input(OMAP_MPUIO(2));
 515                 irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
 516                 /* share the IRQ in case someone wants to use the
 517                  * button for more than wakeup from system sleep.
 518                  */
 519                 ret = request_irq(irq,
 520                                 &osk_mistral_wake_interrupt,
 521                                 IRQF_SHARED, "mistral_wakeup",
 522                                 &osk_mistral_wake_interrupt);
 523                 if (ret != 0) {
 524                         gpio_free(OMAP_MPUIO(2));
 525                         printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
 526                                 ret);
 527                 } else
 528                         enable_irq_wake(irq);
 529         } else
 530                 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
 531
 532         /* LCD:  backlight, and power; power controls other devices on the
 533          * board, like the touchscreen, EEPROM, and wakeup (!) switch.
 534          */
 535         omap_cfg_reg(PWL);
 536         if (gpio_request(2, "lcd_pwr") == 0)
 537                 gpio_direction_output(2, 1);
 538
 539         /*
 540          * GPIO based LEDs
 541          */
 542         omap_cfg_reg(P18_1610_GPIO3);
 543         omap_cfg_reg(MPUIO4);
 544
 545         i2c_register_board_info(1, mistral_i2c_board_info,
 546                         ARRAY_SIZE(mistral_i2c_board_info));
 547
 548         platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
 549 }
 550 #else
 551 static void __init osk_mistral_init(void) { }
 552 #endif
 553
 554 #define EMIFS_CS3_VAL   (0x88013141)
 555
 556 static void __init osk_init(void)
 557 {
 558         u32 l;
 559
 560         osk_init_smc91x();
 561         osk_init_cf();
 562
 563         /* Workaround for wrong CS3 (NOR flash) timing
 564          * There are some U-Boot versions out there which configure
 565          * wrong CS3 memory timings. This mainly leads to CRC
 566          * or similar errors if you use NOR flash (e.g. with JFFS2)
 567          */
 568         l = omap_readl(EMIFS_CCS(3));
 569         if (l != EMIFS_CS3_VAL)
 570                 omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3));
 571
 572         osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
 573         osk_flash_resource.end += SZ_32M - 1;
 574         osk5912_smc91x_resources[1].start = gpio_to_irq(0);
 575         osk5912_smc91x_resources[1].end = gpio_to_irq(0);
 576         osk5912_cf_resources[0].start = gpio_to_irq(62);
 577         osk5912_cf_resources[0].end = gpio_to_irq(62);
 578         platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
 579
 580         l = omap_readl(USB_TRANSCEIVER_CTRL);
 581         l |= (3 << 1);
 582         omap_writel(l, USB_TRANSCEIVER_CTRL);
 583
 584         omap1_usb_init(&osk_usb_config);
 585
 586         /* irq for tps65010 chip */
 587         /* bootloader effectively does:  omap_cfg_reg(U19_1610_MPUIO1); */
 588         if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
 589                 gpio_direction_input(OMAP_MPUIO(1));
 590
 591         omap_serial_init();
 592         osk_i2c_board_info[0].irq = gpio_to_irq(OMAP_MPUIO(1));
 593         omap_register_i2c_bus(1, 400, osk_i2c_board_info,
 594                               ARRAY_SIZE(osk_i2c_board_info));
 595         osk_mistral_init();
 596
 597 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 598         omapfb_set_lcd_config(&osk_lcd_config);
 599 #endif
 600
 601 }
 602
 603 MACHINE_START(OMAP_OSK, "TI-OSK")
 604         /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
 605         .atag_offset    = 0x100,
 606         .map_io         = omap16xx_map_io,
 607         .init_early     = omap1_init_early,
 608         .init_irq       = omap1_init_irq,
 609         .handle_irq     = omap1_handle_irq,
 610         .init_machine   = osk_init,
 611         .init_late      = omap1_init_late,
 612         .init_time      = omap1_timer_init,
 613         .restart        = omap1_restart,
 614 MACHINE_END