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/gpio/machine.h>
  30 #include <linux/kernel.h>
  31 #include <linux/init.h>
  32 #include <linux/platform_device.h>
  33 #include <linux/interrupt.h>
  34 #include <linux/irq.h>
  35 #include <linux/i2c.h>
  36 #include <linux/leds.h>
  37 #include <linux/smc91x.h>
  38 #include <linux/omapfb.h>
  39 #include <linux/mtd/mtd.h>
  40 #include <linux/mtd/partitions.h>
  41 #include <linux/mtd/physmap.h>
  42 #include <linux/mfd/tps65010.h>
  43 #include <linux/platform_data/gpio-omap.h>
  44 #include <linux/platform_data/omap1_bl.h>
  45
  46 #include <asm/mach-types.h>
  47 #include <asm/mach/arch.h>
  48 #include <asm/mach/map.h>
  49
  50 #include "flash.h"
  51 #include <mach/mux.h>
  52 #include <mach/tc.h>
  53
  54 #include <mach/hardware.h>
  55 #include <mach/usb.h>
  56
  57 #include "common.h"
  58
  59 /* Name of the GPIO chip used by the OMAP for GPIOs 0..15 */
  60 #define OMAP_GPIO_LABEL         "gpio-0-15"
  61
  62 /* At OMAP5912 OSK the Ethernet is directly connected to CS1 */
  63 #define OMAP_OSK_ETHR_START             0x04800300
  64
  65 /* TPS65010 has four GPIOs.  nPG and LED2 can be treated like GPIOs with
  66  * alternate pin configurations for hardware-controlled blinking.
  67  */
  68 #define OSK_TPS_GPIO_BASE               (OMAP_MAX_GPIO_LINES + 16 /* MPUIO */)
  69 #       define OSK_TPS_GPIO_USB_PWR_EN  (OSK_TPS_GPIO_BASE + 0)
  70 #       define OSK_TPS_GPIO_LED_D3      (OSK_TPS_GPIO_BASE + 1)
  71 #       define OSK_TPS_GPIO_LAN_RESET   (OSK_TPS_GPIO_BASE + 2)
  72 #       define OSK_TPS_GPIO_DSP_PWR_EN  (OSK_TPS_GPIO_BASE + 3)
  73 #       define OSK_TPS_GPIO_LED_D9      (OSK_TPS_GPIO_BASE + 4)
  74 #       define OSK_TPS_GPIO_LED_D2      (OSK_TPS_GPIO_BASE + 5)
  75
  76 static struct mtd_partition osk_partitions[] = {
  77         /* bootloader (U-Boot, etc) in first sector */
  78         {
  79               .name             = "bootloader",
  80               .offset           = 0,
  81               .size             = SZ_128K,
  82               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  83         },
  84         /* bootloader params in the next sector */
  85         {
  86               .name             = "params",
  87               .offset           = MTDPART_OFS_APPEND,
  88               .size             = SZ_128K,
  89               .mask_flags       = 0,
  90         }, {
  91               .name             = "kernel",
  92               .offset           = MTDPART_OFS_APPEND,
  93               .size             = SZ_2M,
  94               .mask_flags       = 0
  95         }, {
  96               .name             = "filesystem",
  97               .offset           = MTDPART_OFS_APPEND,
  98               .size             = MTDPART_SIZ_FULL,
  99               .mask_flags       = 0
 100         }
 101 };
 102
 103 static struct physmap_flash_data osk_flash_data = {
 104         .width          = 2,
 105         .set_vpp        = omap1_set_vpp,
 106         .parts          = osk_partitions,
 107         .nr_parts       = ARRAY_SIZE(osk_partitions),
 108 };
 109
 110 static struct resource osk_flash_resource = {
 111         /* this is on CS3, wherever it's mapped */
 112         .flags          = IORESOURCE_MEM,
 113 };
 114
 115 static struct platform_device osk5912_flash_device = {
 116         .name           = "physmap-flash",
 117         .id             = 0,
 118         .dev            = {
 119                 .platform_data  = &osk_flash_data,
 120         },
 121         .num_resources  = 1,
 122         .resource       = &osk_flash_resource,
 123 };
 124
 125 static struct smc91x_platdata osk5912_smc91x_info = {
 126         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 127         .leda   = RPC_LED_100_10,
 128         .ledb   = RPC_LED_TX_RX,
 129 };
 130
 131 static struct resource osk5912_smc91x_resources[] = {
 132         [0] = {
 133                 .start  = OMAP_OSK_ETHR_START,          /* Physical */
 134                 .end    = OMAP_OSK_ETHR_START + 0xf,
 135                 .flags  = IORESOURCE_MEM,
 136         },
 137         [1] = {
 138                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 139         },
 140 };
 141
 142 static struct platform_device osk5912_smc91x_device = {
 143         .name           = "smc91x",
 144         .id             = -1,
 145         .dev    = {
 146                 .platform_data  = &osk5912_smc91x_info,
 147         },
 148         .num_resources  = ARRAY_SIZE(osk5912_smc91x_resources),
 149         .resource       = osk5912_smc91x_resources,
 150 };
 151
 152 static struct resource osk5912_cf_resources[] = {
 153         [0] = {
 154                 .flags  = IORESOURCE_IRQ,
 155         },
 156 };
 157
 158 static struct platform_device osk5912_cf_device = {
 159         .name           = "omap_cf",
 160         .id             = -1,
 161         .dev = {
 162                 .platform_data  = (void *) 2 /* CS2 */,
 163         },
 164         .num_resources  = ARRAY_SIZE(osk5912_cf_resources),
 165         .resource       = osk5912_cf_resources,
 166 };
 167
 168 static struct platform_device *osk5912_devices[] __initdata = {
 169         &osk5912_flash_device,
 170         &osk5912_smc91x_device,
 171         &osk5912_cf_device,
 172 };
 173
 174 static const struct gpio_led tps_leds[] = {
 175         /* NOTE:  D9 and D2 have hardware blink support.
 176          * Also, D9 requires non-battery power.
 177          */
 178         { .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9",
 179                         .default_trigger = "disk-activity", },
 180         { .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", },
 181         { .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1,
 182                         .default_trigger = "heartbeat", },
 183 };
 184
 185 static struct gpio_led_platform_data tps_leds_data = {
 186         .num_leds       = 3,
 187         .leds           = tps_leds,
 188 };
 189
 190 static struct platform_device osk5912_tps_leds = {
 191         .name                   = "leds-gpio",
 192         .id                     = 0,
 193         .dev.platform_data      = &tps_leds_data,
 194 };
 195
 196 static int osk_tps_setup(struct i2c_client *client, void *context)
 197 {
 198         if (!IS_BUILTIN(CONFIG_TPS65010))
 199                 return -ENOSYS;
 200
 201         /* Set GPIO 1 HIGH to disable VBUS power supply;
 202          * OHCI driver powers it up/down as needed.
 203          */
 204         gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
 205         gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
 206         /* Free the GPIO again as the driver will request it */
 207         gpio_free(OSK_TPS_GPIO_USB_PWR_EN);
 208
 209         /* Set GPIO 2 high so LED D3 is off by default */
 210         tps65010_set_gpio_out_value(GPIO2, HIGH);
 211
 212         /* Set GPIO 3 low to take ethernet out of reset */
 213         gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset");
 214         gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0);
 215
 216         /* GPIO4 is VDD_DSP */
 217         gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power");
 218         gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1);
 219         /* REVISIT if DSP support isn't configured, power it off ... */
 220
 221         /* Let LED1 (D9) blink; leds-gpio may override it */
 222         tps65010_set_led(LED1, BLINK);
 223
 224         /* Set LED2 off by default */
 225         tps65010_set_led(LED2, OFF);
 226
 227         /* Enable LOW_PWR handshake */
 228         tps65010_set_low_pwr(ON);
 229
 230         /* Switch VLDO2 to 3.0V for AIC23 */
 231         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
 232                         | TPS_LDO1_ENABLE);
 233
 234         /* register these three LEDs */
 235         osk5912_tps_leds.dev.parent = &client->dev;
 236         platform_device_register(&osk5912_tps_leds);
 237
 238         return 0;
 239 }
 240
 241 static struct tps65010_board tps_board = {
 242         .base           = OSK_TPS_GPIO_BASE,
 243         .outmask        = 0x0f,
 244         .setup          = osk_tps_setup,
 245 };
 246
 247 static struct i2c_board_info __initdata osk_i2c_board_info[] = {
 248         {
 249                 /* This device will get the name "i2c-tps65010" */
 250                 I2C_BOARD_INFO("tps65010", 0x48),
 251                 .dev_name = "tps65010",
 252                 .platform_data  = &tps_board,
 253
 254         },
 255         {
 256                 I2C_BOARD_INFO("tlv320aic23", 0x1B),
 257         },
 258         /* TODO when driver support is ready:
 259          *  - optionally on Mistral, ov9640 camera sensor at 0x30
 260          */
 261 };
 262
 263 static void __init osk_init_smc91x(void)
 264 {
 265         u32 l;
 266
 267         if ((gpio_request(0, "smc_irq")) < 0) {
 268                 printk("Error requesting gpio 0 for smc91x irq\n");
 269                 return;
 270         }
 271
 272         /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
 273         l = omap_readl(EMIFS_CCS(1));
 274         l |= 0x3;
 275         omap_writel(l, EMIFS_CCS(1));
 276 }
 277
 278 static void __init osk_init_cf(void)
 279 {
 280         omap_cfg_reg(M7_1610_GPIO62);
 281         if ((gpio_request(62, "cf_irq")) < 0) {
 282                 printk("Error requesting gpio 62 for CF irq\n");
 283                 return;
 284         }
 285         /* the CF I/O IRQ is really active-low */
 286         irq_set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING);
 287 }
 288
 289 static struct gpiod_lookup_table osk_usb_gpio_table = {
 290         .dev_id = "ohci",
 291         .table = {
 292                 /* Power GPIO on the I2C-attached TPS65010 */
 293                 GPIO_LOOKUP("tps65010", 0, "power", GPIO_ACTIVE_HIGH),
 294                 GPIO_LOOKUP(OMAP_GPIO_LABEL, 9, "overcurrent",
 295                             GPIO_ACTIVE_HIGH),
 296         },
 297 };
 298
 299 static struct omap_usb_config osk_usb_config __initdata = {
 300         /* has usb host connector (A) ... for development it can also
 301          * be used, with a NONSTANDARD gender-bending cable/dongle, as
 302          * a peripheral.
 303          */
 304 #if IS_ENABLED(CONFIG_USB_OMAP)
 305         .register_dev   = 1,
 306         .hmc_mode       = 0,
 307 #else
 308         .register_host  = 1,
 309         .hmc_mode       = 16,
 310         .rwc            = 1,
 311 #endif
 312         .pins[0]        = 2,
 313 };
 314
 315 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 316 static const struct omap_lcd_config osk_lcd_config __initconst = {
 317         .ctrl_name      = "internal",
 318 };
 319 #endif
 320
 321 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 322
 323 #include <linux/input.h>
 324 #include <linux/property.h>
 325 #include <linux/spi/spi.h>
 326 #include <linux/spi/ads7846.h>
 327
 328 #include <linux/platform_data/keypad-omap.h>
 329
 330 static const struct property_entry mistral_at24_properties[] = {
 331         PROPERTY_ENTRY_U32("pagesize", 16),
 332         { }
 333 };
 334
 335 static struct i2c_board_info __initdata mistral_i2c_board_info[] = {
 336         {
 337                 /* NOTE:  powered from LCD supply */
 338                 I2C_BOARD_INFO("24c04", 0x50),
 339                 .properties = mistral_at24_properties,
 340         },
 341         /* TODO when driver support is ready:
 342          *  - optionally ov9640 camera sensor at 0x30
 343          */
 344 };
 345
 346 static const unsigned int osk_keymap[] = {
 347         /* KEY(col, row, code) */
 348         KEY(0, 0, KEY_F1),              /* SW4 */
 349         KEY(3, 0, KEY_UP),              /* (sw2/up) */
 350         KEY(1, 1, KEY_LEFTCTRL),        /* SW5 */
 351         KEY(2, 1, KEY_LEFT),            /* (sw2/left) */
 352         KEY(0, 2, KEY_SPACE),           /* SW3 */
 353         KEY(1, 2, KEY_ESC),             /* SW6 */
 354         KEY(2, 2, KEY_DOWN),            /* (sw2/down) */
 355         KEY(2, 3, KEY_ENTER),           /* (sw2/select) */
 356         KEY(3, 3, KEY_RIGHT),           /* (sw2/right) */
 357 };
 358
 359 static const struct matrix_keymap_data osk_keymap_data = {
 360         .keymap         = osk_keymap,
 361         .keymap_size    = ARRAY_SIZE(osk_keymap),
 362 };
 363
 364 static struct omap_kp_platform_data osk_kp_data = {
 365         .rows           = 8,
 366         .cols           = 8,
 367         .keymap_data    = &osk_keymap_data,
 368         .delay          = 9,
 369 };
 370
 371 static struct resource osk5912_kp_resources[] = {
 372         [0] = {
 373                 .start  = INT_KEYBOARD,
 374                 .end    = INT_KEYBOARD,
 375                 .flags  = IORESOURCE_IRQ,
 376         },
 377 };
 378
 379 static struct platform_device osk5912_kp_device = {
 380         .name           = "omap-keypad",
 381         .id             = -1,
 382         .dev            = {
 383                 .platform_data = &osk_kp_data,
 384         },
 385         .num_resources  = ARRAY_SIZE(osk5912_kp_resources),
 386         .resource       = osk5912_kp_resources,
 387 };
 388
 389 static struct omap_backlight_config mistral_bl_data = {
 390         .default_intensity      = 0xa0,
 391 };
 392
 393 static struct platform_device mistral_bl_device = {
 394         .name           = "omap-bl",
 395         .id             = -1,
 396         .dev            = {
 397                 .platform_data = &mistral_bl_data,
 398         },
 399 };
 400
 401 static struct platform_device osk5912_lcd_device = {
 402         .name           = "lcd_osk",
 403         .id             = -1,
 404 };
 405
 406 static const struct gpio_led mistral_gpio_led_pins[] = {
 407         {
 408                 .name           = "mistral:red",
 409                 .default_trigger = "heartbeat",
 410                 .gpio           = 3,
 411         },
 412         {
 413                 .name           = "mistral:green",
 414                 .default_trigger = "cpu0",
 415                 .gpio           = OMAP_MPUIO(4),
 416         },
 417 };
 418
 419 static struct gpio_led_platform_data mistral_gpio_led_data = {
 420         .leds           = mistral_gpio_led_pins,
 421         .num_leds       = ARRAY_SIZE(mistral_gpio_led_pins),
 422 };
 423
 424 static struct platform_device mistral_gpio_leds = {
 425         .name   = "leds-gpio",
 426         .id     = -1,
 427         .dev    = {
 428                 .platform_data = &mistral_gpio_led_data,
 429         },
 430 };
 431
 432 static struct platform_device *mistral_devices[] __initdata = {
 433         &osk5912_kp_device,
 434         &mistral_bl_device,
 435         &osk5912_lcd_device,
 436         &mistral_gpio_leds,
 437 };
 438
 439 static int mistral_get_pendown_state(void)
 440 {
 441         return !gpio_get_value(4);
 442 }
 443
 444 static const struct ads7846_platform_data mistral_ts_info = {
 445         .model                  = 7846,
 446         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 447         .x_plate_ohms           = 419,
 448         .y_plate_ohms           = 486,
 449         .get_pendown_state      = mistral_get_pendown_state,
 450 };
 451
 452 static struct spi_board_info __initdata mistral_boardinfo[] = { {
 453         /* MicroWire (bus 2) CS0 has an ads7846e */
 454         .modalias               = "ads7846",
 455         .platform_data          = &mistral_ts_info,
 456         .max_speed_hz           = 120000 /* max sample rate at 3V */
 457                                         * 26 /* command + data + overhead */,
 458         .bus_num                = 2,
 459         .chip_select            = 0,
 460 } };
 461
 462 static irqreturn_t
 463 osk_mistral_wake_interrupt(int irq, void *ignored)
 464 {
 465         return IRQ_HANDLED;
 466 }
 467
 468 static void __init osk_mistral_init(void)
 469 {
 470         /* NOTE:  we could actually tell if there's a Mistral board
 471          * attached, e.g. by trying to read something from the ads7846.
 472          * But this arch_init() code is too early for that, since we
 473          * can't talk to the ads or even the i2c eeprom.
 474          */
 475
 476         /* parallel camera interface */
 477         omap_cfg_reg(J15_1610_CAM_LCLK);
 478         omap_cfg_reg(J18_1610_CAM_D7);
 479         omap_cfg_reg(J19_1610_CAM_D6);
 480         omap_cfg_reg(J14_1610_CAM_D5);
 481         omap_cfg_reg(K18_1610_CAM_D4);
 482         omap_cfg_reg(K19_1610_CAM_D3);
 483         omap_cfg_reg(K15_1610_CAM_D2);
 484         omap_cfg_reg(K14_1610_CAM_D1);
 485         omap_cfg_reg(L19_1610_CAM_D0);
 486         omap_cfg_reg(L18_1610_CAM_VS);
 487         omap_cfg_reg(L15_1610_CAM_HS);
 488         omap_cfg_reg(M19_1610_CAM_RSTZ);
 489         omap_cfg_reg(Y15_1610_CAM_OUTCLK);
 490
 491         /* serial camera interface */
 492         omap_cfg_reg(H19_1610_CAM_EXCLK);
 493         omap_cfg_reg(W13_1610_CCP_CLKM);
 494         omap_cfg_reg(Y12_1610_CCP_CLKP);
 495         /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
 496         /* omap_cfg_reg(Y14_1610_CCP_DATAM); */
 497         omap_cfg_reg(W14_1610_CCP_DATAP);
 498
 499         /* CAM_PWDN */
 500         if (gpio_request(11, "cam_pwdn") == 0) {
 501                 omap_cfg_reg(N20_1610_GPIO11);
 502                 gpio_direction_output(11, 0);
 503         } else
 504                 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
 505
 506
 507         /* omap_cfg_reg(P19_1610_GPIO6); */     /* BUSY */
 508         gpio_request(6, "ts_busy");
 509         gpio_direction_input(6);
 510
 511         omap_cfg_reg(P20_1610_GPIO4);   /* PENIRQ */
 512         gpio_request(4, "ts_int");
 513         gpio_direction_input(4);
 514         irq_set_irq_type(gpio_to_irq(4), IRQ_TYPE_EDGE_FALLING);
 515
 516         mistral_boardinfo[0].irq = gpio_to_irq(4);
 517         spi_register_board_info(mistral_boardinfo,
 518                         ARRAY_SIZE(mistral_boardinfo));
 519
 520         /* the sideways button (SW1) is for use as a "wakeup" button
 521          *
 522          * NOTE:  The Mistral board has the wakeup button (SW1) wired
 523          * to the LCD 3.3V rail, which is powered down during suspend.
 524          * To allow this button to wake up the omap, work around this
 525          * HW bug by rewiring SW1 to use the main 3.3V rail.
 526          */
 527         omap_cfg_reg(N15_1610_MPUIO2);
 528         if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
 529                 int ret = 0;
 530                 int irq = gpio_to_irq(OMAP_MPUIO(2));
 531
 532                 gpio_direction_input(OMAP_MPUIO(2));
 533                 irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
 534                 /* share the IRQ in case someone wants to use the
 535                  * button for more than wakeup from system sleep.
 536                  */
 537                 ret = request_irq(irq,
 538                                 &osk_mistral_wake_interrupt,
 539                                 IRQF_SHARED, "mistral_wakeup",
 540                                 &osk_mistral_wake_interrupt);
 541                 if (ret != 0) {
 542                         gpio_free(OMAP_MPUIO(2));
 543                         printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
 544                                 ret);
 545                 } else
 546                         enable_irq_wake(irq);
 547         } else
 548                 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
 549
 550         /* LCD:  backlight, and power; power controls other devices on the
 551          * board, like the touchscreen, EEPROM, and wakeup (!) switch.
 552          */
 553         omap_cfg_reg(PWL);
 554         if (gpio_request(2, "lcd_pwr") == 0)
 555                 gpio_direction_output(2, 1);
 556
 557         /*
 558          * GPIO based LEDs
 559          */
 560         omap_cfg_reg(P18_1610_GPIO3);
 561         omap_cfg_reg(MPUIO4);
 562
 563         i2c_register_board_info(1, mistral_i2c_board_info,
 564                         ARRAY_SIZE(mistral_i2c_board_info));
 565
 566         platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
 567 }
 568 #else
 569 static void __init osk_mistral_init(void) { }
 570 #endif
 571
 572 #define EMIFS_CS3_VAL   (0x88013141)
 573
 574 static void __init osk_init(void)
 575 {
 576         u32 l;
 577
 578         osk_init_smc91x();
 579         osk_init_cf();
 580
 581         /* Workaround for wrong CS3 (NOR flash) timing
 582          * There are some U-Boot versions out there which configure
 583          * wrong CS3 memory timings. This mainly leads to CRC
 584          * or similar errors if you use NOR flash (e.g. with JFFS2)
 585          */
 586         l = omap_readl(EMIFS_CCS(3));
 587         if (l != EMIFS_CS3_VAL)
 588                 omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3));
 589
 590         osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
 591         osk_flash_resource.end += SZ_32M - 1;
 592         osk5912_smc91x_resources[1].start = gpio_to_irq(0);
 593         osk5912_smc91x_resources[1].end = gpio_to_irq(0);
 594         osk5912_cf_resources[0].start = gpio_to_irq(62);
 595         osk5912_cf_resources[0].end = gpio_to_irq(62);
 596         platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
 597
 598         l = omap_readl(USB_TRANSCEIVER_CTRL);
 599         l |= (3 << 1);
 600         omap_writel(l, USB_TRANSCEIVER_CTRL);
 601
 602         gpiod_add_lookup_table(&osk_usb_gpio_table);
 603         omap1_usb_init(&osk_usb_config);
 604
 605         /* irq for tps65010 chip */
 606         /* bootloader effectively does:  omap_cfg_reg(U19_1610_MPUIO1); */
 607         if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
 608                 gpio_direction_input(OMAP_MPUIO(1));
 609
 610         omap_serial_init();
 611         osk_i2c_board_info[0].irq = gpio_to_irq(OMAP_MPUIO(1));
 612         omap_register_i2c_bus(1, 400, osk_i2c_board_info,
 613                               ARRAY_SIZE(osk_i2c_board_info));
 614         osk_mistral_init();
 615
 616 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 617         omapfb_set_lcd_config(&osk_lcd_config);
 618 #endif
 619
 620 }
 621
 622 MACHINE_START(OMAP_OSK, "TI-OSK")
 623         /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
 624         .atag_offset    = 0x100,
 625         .map_io         = omap16xx_map_io,
 626         .init_early     = omap1_init_early,
 627         .init_irq       = omap1_init_irq,
 628         .handle_irq     = omap1_handle_irq,
 629         .init_machine   = osk_init,
 630         .init_late      = omap1_init_late,
 631         .init_time      = omap1_timer_init,
 632         .restart        = omap1_restart,
 633 MACHINE_END