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
  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
  37 #include <linux/mtd/mtd.h>
  38 #include <linux/mtd/partitions.h>
  39
  40 #include <linux/i2c/tps65010.h>
  41
  42 #include <mach/hardware.h>
  43 #include <asm/gpio.h>
  44
  45 #include <asm/mach-types.h>
  46 #include <asm/mach/arch.h>
  47 #include <asm/mach/map.h>
  48 #include <asm/mach/flash.h>
  49
  50 #include <mach/usb.h>
  51 #include <mach/mux.h>
  52 #include <mach/tc.h>
  53 #include <mach/common.h>
  54 #include <mach/mcbsp.h>
  55 #include <mach/omap-alsa.h>
  56
  57 static struct mtd_partition osk_partitions[] = {
  58         /* bootloader (U-Boot, etc) in first sector */
  59         {
  60               .name             = "bootloader",
  61               .offset           = 0,
  62               .size             = SZ_128K,
  63               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  64         },
  65         /* bootloader params in the next sector */
  66         {
  67               .name             = "params",
  68               .offset           = MTDPART_OFS_APPEND,
  69               .size             = SZ_128K,
  70               .mask_flags       = 0,
  71         }, {
  72               .name             = "kernel",
  73               .offset           = MTDPART_OFS_APPEND,
  74               .size             = SZ_2M,
  75               .mask_flags       = 0
  76         }, {
  77               .name             = "filesystem",
  78               .offset           = MTDPART_OFS_APPEND,
  79               .size             = MTDPART_SIZ_FULL,
  80               .mask_flags       = 0
  81         }
  82 };
  83
  84 static struct flash_platform_data osk_flash_data = {
  85         .map_name       = "cfi_probe",
  86         .width          = 2,
  87         .parts          = osk_partitions,
  88         .nr_parts       = ARRAY_SIZE(osk_partitions),
  89 };
  90
  91 static struct resource osk_flash_resource = {
  92         /* this is on CS3, wherever it's mapped */
  93         .flags          = IORESOURCE_MEM,
  94 };
  95
  96 static struct platform_device osk5912_flash_device = {
  97         .name           = "omapflash",
  98         .id             = 0,
  99         .dev            = {
 100                 .platform_data  = &osk_flash_data,
 101         },
 102         .num_resources  = 1,
 103         .resource       = &osk_flash_resource,
 104 };
 105
 106 static struct resource osk5912_smc91x_resources[] = {
 107         [0] = {
 108                 .start  = OMAP_OSK_ETHR_START,          /* Physical */
 109                 .end    = OMAP_OSK_ETHR_START + 0xf,
 110                 .flags  = IORESOURCE_MEM,
 111         },
 112         [1] = {
 113                 .start  = OMAP_GPIO_IRQ(0),
 114                 .end    = OMAP_GPIO_IRQ(0),
 115                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 116         },
 117 };
 118
 119 static struct platform_device osk5912_smc91x_device = {
 120         .name           = "smc91x",
 121         .id             = -1,
 122         .num_resources  = ARRAY_SIZE(osk5912_smc91x_resources),
 123         .resource       = osk5912_smc91x_resources,
 124 };
 125
 126 static struct resource osk5912_cf_resources[] = {
 127         [0] = {
 128                 .start  = OMAP_GPIO_IRQ(62),
 129                 .end    = OMAP_GPIO_IRQ(62),
 130                 .flags  = IORESOURCE_IRQ,
 131         },
 132 };
 133
 134 static struct platform_device osk5912_cf_device = {
 135         .name           = "omap_cf",
 136         .id             = -1,
 137         .dev = {
 138                 .platform_data  = (void *) 2 /* CS2 */,
 139         },
 140         .num_resources  = ARRAY_SIZE(osk5912_cf_resources),
 141         .resource       = osk5912_cf_resources,
 142 };
 143
 144 #define DEFAULT_BITPERSAMPLE 16
 145
 146 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 147         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 148         .spcr1 = RINTM(3) | RRST,
 149         .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 150             RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
 151         .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 152         .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 153             XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
 154         .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 155         .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
 156         .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
 157         /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
 158         .pcr0 = CLKXP | CLKRP,  /* mcbsp: slave */
 159 };
 160
 161 static struct omap_alsa_codec_config alsa_config = {
 162         .name                   = "OSK AIC23",
 163         .mcbsp_regs_alsa        = &mcbsp_regs,
 164         .codec_configure_dev    = NULL, /* aic23_configure, */
 165         .codec_set_samplerate   = NULL, /* aic23_set_samplerate, */
 166         .codec_clock_setup      = NULL, /* aic23_clock_setup, */
 167         .codec_clock_on         = NULL, /* aic23_clock_on, */
 168         .codec_clock_off        = NULL, /* aic23_clock_off, */
 169         .get_default_samplerate = NULL, /* aic23_get_default_samplerate, */
 170 };
 171
 172 static struct platform_device osk5912_mcbsp1_device = {
 173         .name   = "omap_alsa_mcbsp",
 174         .id     = 1,
 175         .dev = {
 176                 .platform_data  = &alsa_config,
 177         },
 178 };
 179
 180 static struct platform_device *osk5912_devices[] __initdata = {
 181         &osk5912_flash_device,
 182         &osk5912_smc91x_device,
 183         &osk5912_cf_device,
 184         &osk5912_mcbsp1_device,
 185 };
 186
 187 static struct gpio_led tps_leds[] = {
 188         /* NOTE:  D9 and D2 have hardware blink support.
 189          * Also, D9 requires non-battery power.
 190          */
 191         { .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9",
 192                         .default_trigger = "ide-disk", },
 193         { .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", },
 194         { .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1,
 195                         .default_trigger = "heartbeat", },
 196 };
 197
 198 static struct gpio_led_platform_data tps_leds_data = {
 199         .num_leds       = 3,
 200         .leds           = tps_leds,
 201 };
 202
 203 static struct platform_device osk5912_tps_leds = {
 204         .name                   = "leds-gpio",
 205         .id                     = 0,
 206         .dev.platform_data      = &tps_leds_data,
 207 };
 208
 209 static int osk_tps_setup(struct i2c_client *client, void *context)
 210 {
 211         /* Set GPIO 1 HIGH to disable VBUS power supply;
 212          * OHCI driver powers it up/down as needed.
 213          */
 214         gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
 215         gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
 216
 217         /* Set GPIO 2 high so LED D3 is off by default */
 218         tps65010_set_gpio_out_value(GPIO2, HIGH);
 219
 220         /* Set GPIO 3 low to take ethernet out of reset */
 221         gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset");
 222         gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0);
 223
 224         /* GPIO4 is VDD_DSP */
 225         gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power");
 226         gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1);
 227         /* REVISIT if DSP support isn't configured, power it off ... */
 228
 229         /* Let LED1 (D9) blink; leds-gpio may override it */
 230         tps65010_set_led(LED1, BLINK);
 231
 232         /* Set LED2 off by default */
 233         tps65010_set_led(LED2, OFF);
 234
 235         /* Enable LOW_PWR handshake */
 236         tps65010_set_low_pwr(ON);
 237
 238         /* Switch VLDO2 to 3.0V for AIC23 */
 239         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
 240                         | TPS_LDO1_ENABLE);
 241
 242         /* register these three LEDs */
 243         osk5912_tps_leds.dev.parent = &client->dev;
 244         platform_device_register(&osk5912_tps_leds);
 245
 246         return 0;
 247 }
 248
 249 static struct tps65010_board tps_board = {
 250         .base           = OSK_TPS_GPIO_BASE,
 251         .outmask        = 0x0f,
 252         .setup          = osk_tps_setup,
 253 };
 254
 255 static struct i2c_board_info __initdata osk_i2c_board_info[] = {
 256         {
 257                 I2C_BOARD_INFO("tps65010", 0x48),
 258                 .irq            = OMAP_GPIO_IRQ(OMAP_MPUIO(1)),
 259                 .platform_data  = &tps_board,
 260
 261         },
 262         /* TODO when driver support is ready:
 263          *  - aic23 audio chip at 0x1a
 264          *  - optionally on Mistral, ov9640 camera sensor at 0x30
 265          */
 266 };
 267
 268 static void __init osk_init_smc91x(void)
 269 {
 270         u32 l;
 271
 272         if ((gpio_request(0, "smc_irq")) < 0) {
 273                 printk("Error requesting gpio 0 for smc91x irq\n");
 274                 return;
 275         }
 276
 277         /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
 278         l = omap_readl(EMIFS_CCS(1));
 279         l |= 0x3;
 280         omap_writel(l, EMIFS_CCS(1));
 281 }
 282
 283 static void __init osk_init_cf(void)
 284 {
 285         omap_cfg_reg(M7_1610_GPIO62);
 286         if ((gpio_request(62, "cf_irq")) < 0) {
 287                 printk("Error requesting gpio 62 for CF irq\n");
 288                 return;
 289         }
 290         /* the CF I/O IRQ is really active-low */
 291         set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING);
 292 }
 293
 294 static void __init osk_init_irq(void)
 295 {
 296         omap1_init_common_hw();
 297         omap_init_irq();
 298         omap_gpio_init();
 299         osk_init_smc91x();
 300         osk_init_cf();
 301 }
 302
 303 static struct omap_usb_config osk_usb_config __initdata = {
 304         /* has usb host connector (A) ... for development it can also
 305          * be used, with a NONSTANDARD gender-bending cable/dongle, as
 306          * a peripheral.
 307          */
 308 #ifdef  CONFIG_USB_GADGET_OMAP
 309         .register_dev   = 1,
 310         .hmc_mode       = 0,
 311 #else
 312         .register_host  = 1,
 313         .hmc_mode       = 16,
 314         .rwc            = 1,
 315 #endif
 316         .pins[0]        = 2,
 317 };
 318
 319 static struct omap_uart_config osk_uart_config __initdata = {
 320         .enabled_uarts = (1 << 0),
 321 };
 322
 323 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 324 static struct omap_lcd_config osk_lcd_config __initdata = {
 325         .ctrl_name      = "internal",
 326 };
 327 #endif
 328
 329 static struct omap_board_config_kernel osk_config[] __initdata = {
 330         { OMAP_TAG_USB,           &osk_usb_config },
 331         { OMAP_TAG_UART,                &osk_uart_config },
 332 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 333         { OMAP_TAG_LCD,                 &osk_lcd_config },
 334 #endif
 335 };
 336
 337 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 338
 339 #include <linux/input.h>
 340 #include <linux/i2c/at24.h>
 341 #include <linux/spi/spi.h>
 342 #include <linux/spi/ads7846.h>
 343
 344 #include <mach/keypad.h>
 345
 346 static struct at24_platform_data at24c04 = {
 347         .byte_len       = SZ_4K / 8,
 348         .page_size      = 16,
 349 };
 350
 351 static struct i2c_board_info __initdata mistral_i2c_board_info[] = {
 352         {
 353                 /* NOTE:  powered from LCD supply */
 354                 I2C_BOARD_INFO("24c04", 0x50),
 355                 .platform_data  = &at24c04,
 356         },
 357         /* TODO when driver support is ready:
 358          *  - optionally ov9640 camera sensor at 0x30
 359          */
 360 };
 361
 362 static const int osk_keymap[] = {
 363         /* KEY(col, row, code) */
 364         KEY(0, 0, KEY_F1),              /* SW4 */
 365         KEY(0, 3, KEY_UP),              /* (sw2/up) */
 366         KEY(1, 1, KEY_LEFTCTRL),        /* SW5 */
 367         KEY(1, 2, KEY_LEFT),            /* (sw2/left) */
 368         KEY(2, 0, KEY_SPACE),           /* SW3 */
 369         KEY(2, 1, KEY_ESC),             /* SW6 */
 370         KEY(2, 2, KEY_DOWN),            /* (sw2/down) */
 371         KEY(3, 2, KEY_ENTER),           /* (sw2/select) */
 372         KEY(3, 3, KEY_RIGHT),           /* (sw2/right) */
 373         0
 374 };
 375
 376 static struct omap_kp_platform_data osk_kp_data = {
 377         .rows           = 8,
 378         .cols           = 8,
 379         .keymap         = (int *) osk_keymap,
 380         .keymapsize     = ARRAY_SIZE(osk_keymap),
 381         .delay          = 9,
 382 };
 383
 384 static struct resource osk5912_kp_resources[] = {
 385         [0] = {
 386                 .start  = INT_KEYBOARD,
 387                 .end    = INT_KEYBOARD,
 388                 .flags  = IORESOURCE_IRQ,
 389         },
 390 };
 391
 392 static struct platform_device osk5912_kp_device = {
 393         .name           = "omap-keypad",
 394         .id             = -1,
 395         .dev            = {
 396                 .platform_data = &osk_kp_data,
 397         },
 398         .num_resources  = ARRAY_SIZE(osk5912_kp_resources),
 399         .resource       = osk5912_kp_resources,
 400 };
 401
 402 static struct omap_backlight_config mistral_bl_data = {
 403         .default_intensity      = 0xa0,
 404 };
 405
 406 static struct platform_device mistral_bl_device = {
 407         .name           = "omap-bl",
 408         .id             = -1,
 409         .dev            = {
 410                 .platform_data = &mistral_bl_data,
 411         },
 412 };
 413
 414 static struct platform_device osk5912_lcd_device = {
 415         .name           = "lcd_osk",
 416         .id             = -1,
 417 };
 418
 419 static struct platform_device *mistral_devices[] __initdata = {
 420         &osk5912_kp_device,
 421         &mistral_bl_device,
 422         &osk5912_lcd_device,
 423 };
 424
 425 static int mistral_get_pendown_state(void)
 426 {
 427         return !gpio_get_value(4);
 428 }
 429
 430 static const struct ads7846_platform_data mistral_ts_info = {
 431         .model                  = 7846,
 432         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 433         .x_plate_ohms           = 419,
 434         .y_plate_ohms           = 486,
 435         .get_pendown_state      = mistral_get_pendown_state,
 436 };
 437
 438 static struct spi_board_info __initdata mistral_boardinfo[] = { {
 439         /* MicroWire (bus 2) CS0 has an ads7846e */
 440         .modalias               = "ads7846",
 441         .platform_data          = &mistral_ts_info,
 442         .irq                    = OMAP_GPIO_IRQ(4),
 443         .max_speed_hz           = 120000 /* max sample rate at 3V */
 444                                         * 26 /* command + data + overhead */,
 445         .bus_num                = 2,
 446         .chip_select            = 0,
 447 } };
 448
 449 #ifdef  CONFIG_PM
 450 static irqreturn_t
 451 osk_mistral_wake_interrupt(int irq, void *ignored)
 452 {
 453         return IRQ_HANDLED;
 454 }
 455 #endif
 456
 457 static void __init osk_mistral_init(void)
 458 {
 459         /* NOTE:  we could actually tell if there's a Mistral board
 460          * attached, e.g. by trying to read something from the ads7846.
 461          * But this arch_init() code is too early for that, since we
 462          * can't talk to the ads or even the i2c eeprom.
 463          */
 464
 465         /* parallel camera interface */
 466         omap_cfg_reg(J15_1610_CAM_LCLK);
 467         omap_cfg_reg(J18_1610_CAM_D7);
 468         omap_cfg_reg(J19_1610_CAM_D6);
 469         omap_cfg_reg(J14_1610_CAM_D5);
 470         omap_cfg_reg(K18_1610_CAM_D4);
 471         omap_cfg_reg(K19_1610_CAM_D3);
 472         omap_cfg_reg(K15_1610_CAM_D2);
 473         omap_cfg_reg(K14_1610_CAM_D1);
 474         omap_cfg_reg(L19_1610_CAM_D0);
 475         omap_cfg_reg(L18_1610_CAM_VS);
 476         omap_cfg_reg(L15_1610_CAM_HS);
 477         omap_cfg_reg(M19_1610_CAM_RSTZ);
 478         omap_cfg_reg(Y15_1610_CAM_OUTCLK);
 479
 480         /* serial camera interface */
 481         omap_cfg_reg(H19_1610_CAM_EXCLK);
 482         omap_cfg_reg(W13_1610_CCP_CLKM);
 483         omap_cfg_reg(Y12_1610_CCP_CLKP);
 484         /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
 485         /* omap_cfg_reg(Y14_1610_CCP_DATAM); */
 486         omap_cfg_reg(W14_1610_CCP_DATAP);
 487
 488         /* CAM_PWDN */
 489         if (gpio_request(11, "cam_pwdn") == 0) {
 490                 omap_cfg_reg(N20_1610_GPIO11);
 491                 gpio_direction_output(11, 0);
 492         } else
 493                 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
 494
 495
 496         /* omap_cfg_reg(P19_1610_GPIO6); */     /* BUSY */
 497         gpio_request(6, "ts_busy");
 498         gpio_direction_input(6);
 499
 500         omap_cfg_reg(P20_1610_GPIO4);   /* PENIRQ */
 501         gpio_request(4, "ts_int");
 502         gpio_direction_input(4);
 503         set_irq_type(gpio_to_irq(4), IRQ_TYPE_EDGE_FALLING);
 504
 505         spi_register_board_info(mistral_boardinfo,
 506                         ARRAY_SIZE(mistral_boardinfo));
 507
 508         /* the sideways button (SW1) is for use as a "wakeup" button
 509          *
 510          * NOTE:  The Mistral board has the wakeup button (SW1) wired
 511          * to the LCD 3.3V rail, which is powered down during suspend.
 512          * To allow this button to wake up the omap, work around this
 513          * HW bug by rewiring SW1 to use the main 3.3V rail.
 514          */
 515         omap_cfg_reg(N15_1610_MPUIO2);
 516         if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
 517                 int ret = 0;
 518                 int irq = gpio_to_irq(OMAP_MPUIO(2));
 519
 520                 gpio_direction_input(OMAP_MPUIO(2));
 521                 set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
 522 #ifdef  CONFIG_PM
 523                 /* share the IRQ in case someone wants to use the
 524                  * button for more than wakeup from system sleep.
 525                  */
 526                 ret = request_irq(irq,
 527                                 &osk_mistral_wake_interrupt,
 528                                 IRQF_SHARED, "mistral_wakeup",
 529                                 &osk_mistral_wake_interrupt);
 530                 if (ret != 0) {
 531                         gpio_free(OMAP_MPUIO(2));
 532                         printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
 533                                 ret);
 534                 } else
 535                         enable_irq_wake(irq);
 536 #endif
 537         } else
 538                 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
 539
 540         /* LCD:  backlight, and power; power controls other devices on the
 541          * board, like the touchscreen, EEPROM, and wakeup (!) switch.
 542          */
 543         omap_cfg_reg(PWL);
 544         if (gpio_request(2, "lcd_pwr") == 0)
 545                 gpio_direction_output(2, 1);
 546
 547         i2c_register_board_info(1, mistral_i2c_board_info,
 548                         ARRAY_SIZE(mistral_i2c_board_info));
 549
 550         platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
 551 }
 552 #else
 553 static void __init osk_mistral_init(void) { }
 554 #endif
 555
 556 #define EMIFS_CS3_VAL   (0x88013141)
 557
 558 static void __init osk_init(void)
 559 {
 560         u32 l;
 561
 562         /* Workaround for wrong CS3 (NOR flash) timing
 563          * There are some U-Boot versions out there which configure
 564          * wrong CS3 memory timings. This mainly leads to CRC
 565          * or similar errors if you use NOR flash (e.g. with JFFS2)
 566          */
 567         l = omap_readl(EMIFS_CCS(3));
 568         if (l != EMIFS_CS3_VAL)
 569                 omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3));
 570
 571         osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
 572         osk_flash_resource.end += SZ_32M - 1;
 573         platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
 574         omap_board_config = osk_config;
 575         omap_board_config_size = ARRAY_SIZE(osk_config);
 576
 577         l = omap_readl(USB_TRANSCEIVER_CTRL);
 578         l |= (3 << 1);
 579         omap_writel(l, USB_TRANSCEIVER_CTRL);
 580
 581         /* irq for tps65010 chip */
 582         /* bootloader effectively does:  omap_cfg_reg(U19_1610_MPUIO1); */
 583         if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
 584                 gpio_direction_input(OMAP_MPUIO(1));
 585
 586         omap_serial_init();
 587         omap_register_i2c_bus(1, 400, osk_i2c_board_info,
 588                               ARRAY_SIZE(osk_i2c_board_info));
 589         osk_mistral_init();
 590 }
 591
 592 static void __init osk_map_io(void)
 593 {
 594         omap1_map_common_io();
 595 }
 596
 597 MACHINE_START(OMAP_OSK, "TI-OSK")
 598         /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
 599         .phys_io        = 0xfff00000,
 600         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 601         .boot_params    = 0x10000100,
 602         .map_io         = osk_map_io,
 603         .init_irq       = osk_init_irq,
 604         .init_machine   = osk_init,
 605         .timer          = &omap_timer,
 606 MACHINE_END