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         {
 263                 I2C_BOARD_INFO("tlv320aic23", 0x1B),
 264         },
 265         /* TODO when driver support is ready:
 266          *  - optionally on Mistral, ov9640 camera sensor at 0x30
 267          */
 268 };
 269
 270 static void __init osk_init_smc91x(void)
 271 {
 272         u32 l;
 273
 274         if ((gpio_request(0, "smc_irq")) < 0) {
 275                 printk("Error requesting gpio 0 for smc91x irq\n");
 276                 return;
 277         }
 278
 279         /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
 280         l = omap_readl(EMIFS_CCS(1));
 281         l |= 0x3;
 282         omap_writel(l, EMIFS_CCS(1));
 283 }
 284
 285 static void __init osk_init_cf(void)
 286 {
 287         omap_cfg_reg(M7_1610_GPIO62);
 288         if ((gpio_request(62, "cf_irq")) < 0) {
 289                 printk("Error requesting gpio 62 for CF irq\n");
 290                 return;
 291         }
 292         /* the CF I/O IRQ is really active-low */
 293         set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING);
 294 }
 295
 296 static void __init osk_init_irq(void)
 297 {
 298         omap1_init_common_hw();
 299         omap_init_irq();
 300         omap_gpio_init();
 301         osk_init_smc91x();
 302         osk_init_cf();
 303 }
 304
 305 static struct omap_usb_config osk_usb_config __initdata = {
 306         /* has usb host connector (A) ... for development it can also
 307          * be used, with a NONSTANDARD gender-bending cable/dongle, as
 308          * a peripheral.
 309          */
 310 #ifdef  CONFIG_USB_GADGET_OMAP
 311         .register_dev   = 1,
 312         .hmc_mode       = 0,
 313 #else
 314         .register_host  = 1,
 315         .hmc_mode       = 16,
 316         .rwc            = 1,
 317 #endif
 318         .pins[0]        = 2,
 319 };
 320
 321 static struct omap_uart_config osk_uart_config __initdata = {
 322         .enabled_uarts = (1 << 0),
 323 };
 324
 325 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 326 static struct omap_lcd_config osk_lcd_config __initdata = {
 327         .ctrl_name      = "internal",
 328 };
 329 #endif
 330
 331 static struct omap_board_config_kernel osk_config[] __initdata = {
 332         { OMAP_TAG_USB,           &osk_usb_config },
 333         { OMAP_TAG_UART,                &osk_uart_config },
 334 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 335         { OMAP_TAG_LCD,                 &osk_lcd_config },
 336 #endif
 337 };
 338
 339 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 340
 341 #include <linux/input.h>
 342 #include <linux/i2c/at24.h>
 343 #include <linux/spi/spi.h>
 344 #include <linux/spi/ads7846.h>
 345
 346 #include <mach/keypad.h>
 347
 348 static struct at24_platform_data at24c04 = {
 349         .byte_len       = SZ_4K / 8,
 350         .page_size      = 16,
 351 };
 352
 353 static struct i2c_board_info __initdata mistral_i2c_board_info[] = {
 354         {
 355                 /* NOTE:  powered from LCD supply */
 356                 I2C_BOARD_INFO("24c04", 0x50),
 357                 .platform_data  = &at24c04,
 358         },
 359         /* TODO when driver support is ready:
 360          *  - optionally ov9640 camera sensor at 0x30
 361          */
 362 };
 363
 364 static const int osk_keymap[] = {
 365         /* KEY(col, row, code) */
 366         KEY(0, 0, KEY_F1),              /* SW4 */
 367         KEY(0, 3, KEY_UP),              /* (sw2/up) */
 368         KEY(1, 1, KEY_LEFTCTRL),        /* SW5 */
 369         KEY(1, 2, KEY_LEFT),            /* (sw2/left) */
 370         KEY(2, 0, KEY_SPACE),           /* SW3 */
 371         KEY(2, 1, KEY_ESC),             /* SW6 */
 372         KEY(2, 2, KEY_DOWN),            /* (sw2/down) */
 373         KEY(3, 2, KEY_ENTER),           /* (sw2/select) */
 374         KEY(3, 3, KEY_RIGHT),           /* (sw2/right) */
 375         0
 376 };
 377
 378 static struct omap_kp_platform_data osk_kp_data = {
 379         .rows           = 8,
 380         .cols           = 8,
 381         .keymap         = (int *) osk_keymap,
 382         .keymapsize     = ARRAY_SIZE(osk_keymap),
 383         .delay          = 9,
 384 };
 385
 386 static struct resource osk5912_kp_resources[] = {
 387         [0] = {
 388                 .start  = INT_KEYBOARD,
 389                 .end    = INT_KEYBOARD,
 390                 .flags  = IORESOURCE_IRQ,
 391         },
 392 };
 393
 394 static struct platform_device osk5912_kp_device = {
 395         .name           = "omap-keypad",
 396         .id             = -1,
 397         .dev            = {
 398                 .platform_data = &osk_kp_data,
 399         },
 400         .num_resources  = ARRAY_SIZE(osk5912_kp_resources),
 401         .resource       = osk5912_kp_resources,
 402 };
 403
 404 static struct omap_backlight_config mistral_bl_data = {
 405         .default_intensity      = 0xa0,
 406 };
 407
 408 static struct platform_device mistral_bl_device = {
 409         .name           = "omap-bl",
 410         .id             = -1,
 411         .dev            = {
 412                 .platform_data = &mistral_bl_data,
 413         },
 414 };
 415
 416 static struct platform_device osk5912_lcd_device = {
 417         .name           = "lcd_osk",
 418         .id             = -1,
 419 };
 420
 421 static struct platform_device *mistral_devices[] __initdata = {
 422         &osk5912_kp_device,
 423         &mistral_bl_device,
 424         &osk5912_lcd_device,
 425 };
 426
 427 static int mistral_get_pendown_state(void)
 428 {
 429         return !gpio_get_value(4);
 430 }
 431
 432 static const struct ads7846_platform_data mistral_ts_info = {
 433         .model                  = 7846,
 434         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 435         .x_plate_ohms           = 419,
 436         .y_plate_ohms           = 486,
 437         .get_pendown_state      = mistral_get_pendown_state,
 438 };
 439
 440 static struct spi_board_info __initdata mistral_boardinfo[] = { {
 441         /* MicroWire (bus 2) CS0 has an ads7846e */
 442         .modalias               = "ads7846",
 443         .platform_data          = &mistral_ts_info,
 444         .irq                    = OMAP_GPIO_IRQ(4),
 445         .max_speed_hz           = 120000 /* max sample rate at 3V */
 446                                         * 26 /* command + data + overhead */,
 447         .bus_num                = 2,
 448         .chip_select            = 0,
 449 } };
 450
 451 #ifdef  CONFIG_PM
 452 static irqreturn_t
 453 osk_mistral_wake_interrupt(int irq, void *ignored)
 454 {
 455         return IRQ_HANDLED;
 456 }
 457 #endif
 458
 459 static void __init osk_mistral_init(void)
 460 {
 461         /* NOTE:  we could actually tell if there's a Mistral board
 462          * attached, e.g. by trying to read something from the ads7846.
 463          * But this arch_init() code is too early for that, since we
 464          * can't talk to the ads or even the i2c eeprom.
 465          */
 466
 467         /* parallel camera interface */
 468         omap_cfg_reg(J15_1610_CAM_LCLK);
 469         omap_cfg_reg(J18_1610_CAM_D7);
 470         omap_cfg_reg(J19_1610_CAM_D6);
 471         omap_cfg_reg(J14_1610_CAM_D5);
 472         omap_cfg_reg(K18_1610_CAM_D4);
 473         omap_cfg_reg(K19_1610_CAM_D3);
 474         omap_cfg_reg(K15_1610_CAM_D2);
 475         omap_cfg_reg(K14_1610_CAM_D1);
 476         omap_cfg_reg(L19_1610_CAM_D0);
 477         omap_cfg_reg(L18_1610_CAM_VS);
 478         omap_cfg_reg(L15_1610_CAM_HS);
 479         omap_cfg_reg(M19_1610_CAM_RSTZ);
 480         omap_cfg_reg(Y15_1610_CAM_OUTCLK);
 481
 482         /* serial camera interface */
 483         omap_cfg_reg(H19_1610_CAM_EXCLK);
 484         omap_cfg_reg(W13_1610_CCP_CLKM);
 485         omap_cfg_reg(Y12_1610_CCP_CLKP);
 486         /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
 487         /* omap_cfg_reg(Y14_1610_CCP_DATAM); */
 488         omap_cfg_reg(W14_1610_CCP_DATAP);
 489
 490         /* CAM_PWDN */
 491         if (gpio_request(11, "cam_pwdn") == 0) {
 492                 omap_cfg_reg(N20_1610_GPIO11);
 493                 gpio_direction_output(11, 0);
 494         } else
 495                 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
 496
 497
 498         /* omap_cfg_reg(P19_1610_GPIO6); */     /* BUSY */
 499         gpio_request(6, "ts_busy");
 500         gpio_direction_input(6);
 501
 502         omap_cfg_reg(P20_1610_GPIO4);   /* PENIRQ */
 503         gpio_request(4, "ts_int");
 504         gpio_direction_input(4);
 505         set_irq_type(gpio_to_irq(4), IRQ_TYPE_EDGE_FALLING);
 506
 507         spi_register_board_info(mistral_boardinfo,
 508                         ARRAY_SIZE(mistral_boardinfo));
 509
 510         /* the sideways button (SW1) is for use as a "wakeup" button
 511          *
 512          * NOTE:  The Mistral board has the wakeup button (SW1) wired
 513          * to the LCD 3.3V rail, which is powered down during suspend.
 514          * To allow this button to wake up the omap, work around this
 515          * HW bug by rewiring SW1 to use the main 3.3V rail.
 516          */
 517         omap_cfg_reg(N15_1610_MPUIO2);
 518         if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
 519                 int ret = 0;
 520                 int irq = gpio_to_irq(OMAP_MPUIO(2));
 521
 522                 gpio_direction_input(OMAP_MPUIO(2));
 523                 set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
 524 #ifdef  CONFIG_PM
 525                 /* share the IRQ in case someone wants to use the
 526                  * button for more than wakeup from system sleep.
 527                  */
 528                 ret = request_irq(irq,
 529                                 &osk_mistral_wake_interrupt,
 530                                 IRQF_SHARED, "mistral_wakeup",
 531                                 &osk_mistral_wake_interrupt);
 532                 if (ret != 0) {
 533                         gpio_free(OMAP_MPUIO(2));
 534                         printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
 535                                 ret);
 536                 } else
 537                         enable_irq_wake(irq);
 538 #endif
 539         } else
 540                 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
 541
 542         /* LCD:  backlight, and power; power controls other devices on the
 543          * board, like the touchscreen, EEPROM, and wakeup (!) switch.
 544          */
 545         omap_cfg_reg(PWL);
 546         if (gpio_request(2, "lcd_pwr") == 0)
 547                 gpio_direction_output(2, 1);
 548
 549         i2c_register_board_info(1, mistral_i2c_board_info,
 550                         ARRAY_SIZE(mistral_i2c_board_info));
 551
 552         platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
 553 }
 554 #else
 555 static void __init osk_mistral_init(void) { }
 556 #endif
 557
 558 #define EMIFS_CS3_VAL   (0x88013141)
 559
 560 static void __init osk_init(void)
 561 {
 562         u32 l;
 563
 564         /* Workaround for wrong CS3 (NOR flash) timing
 565          * There are some U-Boot versions out there which configure
 566          * wrong CS3 memory timings. This mainly leads to CRC
 567          * or similar errors if you use NOR flash (e.g. with JFFS2)
 568          */
 569         l = omap_readl(EMIFS_CCS(3));
 570         if (l != EMIFS_CS3_VAL)
 571                 omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3));
 572
 573         osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
 574         osk_flash_resource.end += SZ_32M - 1;
 575         platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
 576         omap_board_config = osk_config;
 577         omap_board_config_size = ARRAY_SIZE(osk_config);
 578
 579         l = omap_readl(USB_TRANSCEIVER_CTRL);
 580         l |= (3 << 1);
 581         omap_writel(l, USB_TRANSCEIVER_CTRL);
 582
 583         /* irq for tps65010 chip */
 584         /* bootloader effectively does:  omap_cfg_reg(U19_1610_MPUIO1); */
 585         if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
 586                 gpio_direction_input(OMAP_MPUIO(1));
 587
 588         omap_serial_init();
 589         omap_register_i2c_bus(1, 400, osk_i2c_board_info,
 590                               ARRAY_SIZE(osk_i2c_board_info));
 591         osk_mistral_init();
 592 }
 593
 594 static void __init osk_map_io(void)
 595 {
 596         omap1_map_common_io();
 597 }
 598
 599 MACHINE_START(OMAP_OSK, "TI-OSK")
 600         /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
 601         .phys_io        = 0xfff00000,
 602         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 603         .boot_params    = 0x10000100,
 604         .map_io         = osk_map_io,
 605         .init_irq       = osk_init_irq,
 606         .init_machine   = osk_init,
 607         .timer          = &omap_timer,
 608 MACHINE_END