release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-mx3/mach-mx31moboard.c

   1 /*
   2  *  Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include <linux/delay.h>
  16 #include <linux/dma-mapping.h>
  17 #include <linux/gfp.h>
  18 #include <linux/gpio.h>
  19 #include <linux/init.h>
  20 #include <linux/interrupt.h>
  21 #include <linux/leds.h>
  22 #include <linux/memory.h>
  23 #include <linux/mtd/physmap.h>
  24 #include <linux/mtd/partitions.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/regulator/machine.h>
  27 #include <linux/mfd/mc13783.h>
  28 #include <linux/spi/spi.h>
  29 #include <linux/types.h>
  30
  31 #include <linux/usb/otg.h>
  32 #include <linux/usb/ulpi.h>
  33
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36 #include <asm/mach/time.h>
  37 #include <asm/mach/map.h>
  38 #include <mach/board-mx31moboard.h>
  39 #include <mach/common.h>
  40 #include <mach/hardware.h>
  41 #include <mach/iomux-mx3.h>
  42 #include <mach/ipu.h>
  43 #include <mach/mmc.h>
  44 #include <mach/mxc_ehci.h>
  45 #include <mach/mx3_camera.h>
  46 #include <mach/spi.h>
  47 #include <mach/ulpi.h>
  48
  49 #include "devices-imx31.h"
  50 #include "devices.h"
  51
  52 static unsigned int moboard_pins[] = {
  53         /* UART0 */
  54         MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
  55         MX31_PIN_CTS1__GPIO2_7,
  56         /* UART4 */
  57         MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
  58         MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
  59         /* I2C0 */
  60         MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
  61         /* I2C1 */
  62         MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
  63         /* SDHC1 */
  64         MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
  65         MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
  66         MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
  67         MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
  68         /* USB reset */
  69         MX31_PIN_GPIO1_0__GPIO1_0,
  70         /* USB OTG */
  71         MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
  72         MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
  73         MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
  74         MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
  75         MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
  76         MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
  77         MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
  78         MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
  79         MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
  80         MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
  81         MX31_PIN_USB_OC__GPIO1_30,
  82         /* USB H2 */
  83         MX31_PIN_USBH2_DATA0__USBH2_DATA0,
  84         MX31_PIN_USBH2_DATA1__USBH2_DATA1,
  85         MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
  86         MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
  87         MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
  88         MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
  89         MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
  90         MX31_PIN_SCK6__GPIO1_25,
  91         /* LEDs */
  92         MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
  93         MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
  94         /* SPI1 */
  95         MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
  96         MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
  97         MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
  98         /* Atlas IRQ */
  99         MX31_PIN_GPIO1_3__GPIO1_3,
 100         /* SPI2 */
 101         MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
 102         MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
 103         MX31_PIN_CSPI2_SS1__CSPI3_SS1,
 104 };
 105
 106 static struct physmap_flash_data mx31moboard_flash_data = {
 107         .width          = 2,
 108 };
 109
 110 static struct resource mx31moboard_flash_resource = {
 111         .start  = 0xa0000000,
 112         .end    = 0xa1ffffff,
 113         .flags  = IORESOURCE_MEM,
 114 };
 115
 116 static struct platform_device mx31moboard_flash = {
 117         .name   = "physmap-flash",
 118         .id     = 0,
 119         .dev    = {
 120                 .platform_data  = &mx31moboard_flash_data,
 121         },
 122         .resource = &mx31moboard_flash_resource,
 123         .num_resources = 1,
 124 };
 125
 126 static int moboard_uart0_init(struct platform_device *pdev)
 127 {
 128         int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack");
 129         if (ret)
 130                 return ret;
 131
 132         ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
 133         if (ret)
 134                 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
 135
 136         return ret;
 137 }
 138
 139 static void moboard_uart0_exit(struct platform_device *pdev)
 140 {
 141         gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
 142 }
 143
 144 static const struct imxuart_platform_data uart0_pdata __initconst = {
 145         .init = moboard_uart0_init,
 146         .exit = moboard_uart0_exit,
 147 };
 148
 149 static const struct imxuart_platform_data uart4_pdata __initconst = {
 150         .flags = IMXUART_HAVE_RTSCTS,
 151 };
 152
 153 static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
 154         .bitrate = 400000,
 155 };
 156
 157 static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
 158         .bitrate = 100000,
 159 };
 160
 161 static int moboard_spi1_cs[] = {
 162         MXC_SPI_CS(0),
 163         MXC_SPI_CS(2),
 164 };
 165
 166 static const struct spi_imx_master moboard_spi1_pdata __initconst = {
 167         .chipselect     = moboard_spi1_cs,
 168         .num_chipselect = ARRAY_SIZE(moboard_spi1_cs),
 169 };
 170
 171 static struct regulator_consumer_supply sdhc_consumers[] = {
 172         {
 173                 .dev    = &mxcsdhc_device0.dev,
 174                 .supply = "sdhc0_vcc",
 175         },
 176         {
 177                 .dev    = &mxcsdhc_device1.dev,
 178                 .supply = "sdhc1_vcc",
 179         },
 180 };
 181
 182 static struct regulator_init_data sdhc_vreg_data = {
 183         .constraints = {
 184                 .min_uV = 2700000,
 185                 .max_uV = 3000000,
 186                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 187                         REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 188                 .valid_modes_mask = REGULATOR_MODE_NORMAL |
 189                         REGULATOR_MODE_FAST,
 190                 .always_on = 0,
 191                 .boot_on = 1,
 192         },
 193         .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
 194         .consumer_supplies = sdhc_consumers,
 195 };
 196
 197 static struct regulator_consumer_supply cam_consumers[] = {
 198         {
 199                 .dev    = &mx3_camera.dev,
 200                 .supply = "cam_vcc",
 201         },
 202 };
 203
 204 static struct regulator_init_data cam_vreg_data = {
 205         .constraints = {
 206                 .min_uV = 2700000,
 207                 .max_uV = 3000000,
 208                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 209                         REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 210                 .valid_modes_mask = REGULATOR_MODE_NORMAL |
 211                         REGULATOR_MODE_FAST,
 212                 .always_on = 0,
 213                 .boot_on = 1,
 214         },
 215         .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
 216         .consumer_supplies = cam_consumers,
 217 };
 218
 219 static struct mc13783_regulator_init_data moboard_regulators[] = {
 220         {
 221                 .id = MC13783_REGU_VMMC1,
 222                 .init_data = &sdhc_vreg_data,
 223         },
 224         {
 225                 .id = MC13783_REGU_VCAM,
 226                 .init_data = &cam_vreg_data,
 227         },
 228 };
 229
 230 static struct mc13783_led_platform_data moboard_led[] = {
 231         {
 232                 .id = MC13783_LED_R1,
 233                 .name = "coreboard-led-4:red",
 234                 .max_current = 2,
 235         },
 236         {
 237                 .id = MC13783_LED_G1,
 238                 .name = "coreboard-led-4:green",
 239                 .max_current = 2,
 240         },
 241         {
 242                 .id = MC13783_LED_B1,
 243                 .name = "coreboard-led-4:blue",
 244                 .max_current = 2,
 245         },
 246         {
 247                 .id = MC13783_LED_R2,
 248                 .name = "coreboard-led-5:red",
 249                 .max_current = 3,
 250         },
 251         {
 252                 .id = MC13783_LED_G2,
 253                 .name = "coreboard-led-5:green",
 254                 .max_current = 3,
 255         },
 256         {
 257                 .id = MC13783_LED_B2,
 258                 .name = "coreboard-led-5:blue",
 259                 .max_current = 3,
 260         },
 261 };
 262
 263 static struct mc13783_leds_platform_data moboard_leds = {
 264         .num_leds = ARRAY_SIZE(moboard_led),
 265         .led = moboard_led,
 266         .flags = MC13783_LED_SLEWLIMTC,
 267         .abmode = MC13783_LED_AB_DISABLED,
 268         .tc1_period = MC13783_LED_PERIOD_10MS,
 269         .tc2_period = MC13783_LED_PERIOD_10MS,
 270 };
 271
 272 static struct mc13783_platform_data moboard_pmic = {
 273         .regulators = moboard_regulators,
 274         .num_regulators = ARRAY_SIZE(moboard_regulators),
 275         .leds = &moboard_leds,
 276         .flags = MC13783_USE_REGULATOR | MC13783_USE_RTC |
 277                 MC13783_USE_ADC | MC13783_USE_LED,
 278 };
 279
 280 static struct spi_board_info moboard_spi_board_info[] __initdata = {
 281         {
 282                 .modalias = "mc13783",
 283                 .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
 284                 .max_speed_hz = 300000,
 285                 .bus_num = 1,
 286                 .chip_select = 0,
 287                 .platform_data = &moboard_pmic,
 288                 .mode = SPI_CS_HIGH,
 289         },
 290 };
 291
 292 static int moboard_spi2_cs[] = {
 293         MXC_SPI_CS(1),
 294 };
 295
 296 static const struct spi_imx_master moboard_spi2_pdata __initconst = {
 297         .chipselect     = moboard_spi2_cs,
 298         .num_chipselect = ARRAY_SIZE(moboard_spi2_cs),
 299 };
 300
 301 #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
 302 #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
 303
 304 static int moboard_sdhc1_get_ro(struct device *dev)
 305 {
 306         return !gpio_get_value(SDHC1_WP);
 307 }
 308
 309 static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 310                 void *data)
 311 {
 312         int ret;
 313
 314         ret = gpio_request(SDHC1_CD, "sdhc-detect");
 315         if (ret)
 316                 return ret;
 317
 318         gpio_direction_input(SDHC1_CD);
 319
 320         ret = gpio_request(SDHC1_WP, "sdhc-wp");
 321         if (ret)
 322                 goto err_gpio_free;
 323         gpio_direction_input(SDHC1_WP);
 324
 325         ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
 326                 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 327                 "sdhc1-card-detect", data);
 328         if (ret)
 329                 goto err_gpio_free_2;
 330
 331         return 0;
 332
 333 err_gpio_free_2:
 334         gpio_free(SDHC1_WP);
 335 err_gpio_free:
 336         gpio_free(SDHC1_CD);
 337
 338         return ret;
 339 }
 340
 341 static void moboard_sdhc1_exit(struct device *dev, void *data)
 342 {
 343         free_irq(gpio_to_irq(SDHC1_CD), data);
 344         gpio_free(SDHC1_WP);
 345         gpio_free(SDHC1_CD);
 346 }
 347
 348 static struct imxmmc_platform_data sdhc1_pdata = {
 349         .get_ro = moboard_sdhc1_get_ro,
 350         .init   = moboard_sdhc1_init,
 351         .exit   = moboard_sdhc1_exit,
 352 };
 353
 354 /*
 355  * this pin is dedicated for all mx31moboard systems, so we do it here
 356  */
 357 #define USB_RESET_B     IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
 358 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
 359                       PAD_CTL_ODE_CMOS)
 360
 361 #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
 362 #define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
 363
 364 static void usb_xcvr_reset(void)
 365 {
 366         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
 367         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
 368         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
 369         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
 370         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
 371         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
 372         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
 373         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
 374         mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
 375         mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
 376         mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
 377         mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
 378
 379         mxc_iomux_set_gpr(MUX_PGP_UH2, true);
 380         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
 381         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
 382         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
 383         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
 384         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
 385         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
 386         mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
 387         mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
 388         mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
 389         mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
 390         mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
 391         mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
 392
 393         gpio_request(OTG_EN_B, "usb-udc-en");
 394         gpio_direction_output(OTG_EN_B, 0);
 395         gpio_request(USBH2_EN_B, "usbh2-en");
 396         gpio_direction_output(USBH2_EN_B, 0);
 397
 398         gpio_request(USB_RESET_B, "usb-reset");
 399         gpio_direction_output(USB_RESET_B, 0);
 400         mdelay(1);
 401         gpio_set_value(USB_RESET_B, 1);
 402         mdelay(1);
 403 }
 404
 405 #if defined(CONFIG_USB_ULPI)
 406
 407 static struct mxc_usbh_platform_data usbh2_pdata = {
 408         .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
 409         .flags  = MXC_EHCI_POWER_PINS_ENABLED,
 410 };
 411
 412 static int __init moboard_usbh2_init(void)
 413 {
 414         usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
 415                         ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
 416
 417         return mxc_register_device(&mxc_usbh2, &usbh2_pdata);
 418 }
 419 #else
 420 static inline int moboard_usbh2_init(void) { return 0; }
 421 #endif
 422
 423
 424 static struct gpio_led mx31moboard_leds[] = {
 425         {
 426                 .name   = "coreboard-led-0:red:running",
 427                 .default_trigger = "heartbeat",
 428                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
 429         }, {
 430                 .name   = "coreboard-led-1:red",
 431                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_STX0),
 432         }, {
 433                 .name   = "coreboard-led-2:red",
 434                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_SRX0),
 435         }, {
 436                 .name   = "coreboard-led-3:red",
 437                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
 438         },
 439 };
 440
 441 static struct gpio_led_platform_data mx31moboard_led_pdata = {
 442         .num_leds       = ARRAY_SIZE(mx31moboard_leds),
 443         .leds           = mx31moboard_leds,
 444 };
 445
 446 static struct platform_device mx31moboard_leds_device = {
 447         .name   = "leds-gpio",
 448         .id     = -1,
 449         .dev    = {
 450                 .platform_data = &mx31moboard_led_pdata,
 451         },
 452 };
 453
 454 static struct ipu_platform_data mx3_ipu_data = {
 455         .irq_base = MXC_IPU_IRQ_START,
 456 };
 457
 458 static struct platform_device *devices[] __initdata = {
 459         &mx31moboard_flash,
 460         &mx31moboard_leds_device,
 461 };
 462
 463 static struct mx3_camera_pdata camera_pdata = {
 464         .dma_dev        = &mx3_ipu.dev,
 465         .flags          = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
 466         .mclk_10khz     = 4800,
 467 };
 468
 469 #define CAMERA_BUF_SIZE (4*1024*1024)
 470
 471 static int __init mx31moboard_cam_alloc_dma(const size_t buf_size)
 472 {
 473         dma_addr_t dma_handle;
 474         void *buf;
 475         int dma;
 476
 477         if (buf_size < 2 * 1024 * 1024)
 478                 return -EINVAL;
 479
 480         buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL);
 481         if (!buf) {
 482                 pr_err("%s: cannot allocate camera buffer-memory\n", __func__);
 483                 return -ENOMEM;
 484         }
 485
 486         memset(buf, 0, buf_size);
 487
 488         dma = dma_declare_coherent_memory(&mx3_camera.dev,
 489                                         dma_handle, dma_handle, buf_size,
 490                                         DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 491
 492         /* The way we call dma_declare_coherent_memory only a malloc can fail */
 493         return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM;
 494 }
 495
 496 static int mx31moboard_baseboard;
 497 core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
 498
 499 /*
 500  * Board specific initialization.
 501  */
 502 static void __init mxc_board_init(void)
 503 {
 504         mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
 505                 "moboard");
 506
 507         platform_add_devices(devices, ARRAY_SIZE(devices));
 508
 509         imx31_add_imx_uart0(&uart0_pdata);
 510         imx31_add_imx_uart4(&uart4_pdata);
 511
 512         imx31_add_imx_i2c0(&moboard_i2c0_data);
 513         imx31_add_imx_i2c1(&moboard_i2c1_data);
 514
 515         imx31_add_spi_imx1(&moboard_spi1_pdata);
 516         imx31_add_spi_imx2(&moboard_spi2_pdata);
 517
 518         gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
 519         gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
 520         spi_register_board_info(moboard_spi_board_info,
 521                 ARRAY_SIZE(moboard_spi_board_info));
 522
 523         mxc_register_device(&mxcsdhc_device0, &sdhc1_pdata);
 524
 525         mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 526         if (!mx31moboard_cam_alloc_dma(CAMERA_BUF_SIZE))
 527                 mxc_register_device(&mx3_camera, &camera_pdata);
 528
 529         usb_xcvr_reset();
 530
 531         moboard_usbh2_init();
 532
 533         switch (mx31moboard_baseboard) {
 534         case MX31NOBOARD:
 535                 break;
 536         case MX31DEVBOARD:
 537                 mx31moboard_devboard_init();
 538                 break;
 539         case MX31MARXBOT:
 540                 mx31moboard_marxbot_init();
 541                 break;
 542         case MX31SMARTBOT:
 543         case MX31EYEBOT:
 544                 mx31moboard_smartbot_init(mx31moboard_baseboard);
 545                 break;
 546         default:
 547                 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
 548                         mx31moboard_baseboard);
 549         }
 550 }
 551
 552 static void __init mx31moboard_timer_init(void)
 553 {
 554         mx31_clocks_init(26000000);
 555 }
 556
 557 struct sys_timer mx31moboard_timer = {
 558         .init   = mx31moboard_timer_init,
 559 };
 560
 561 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
 562         /* Maintainer: Valentin Longchamp, EPFL Mobots group */
 563         .phys_io        = MX31_AIPS1_BASE_ADDR,
 564         .io_pg_offst    = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
 565         .boot_params    = MX3x_PHYS_OFFSET + 0x100,
 566         .map_io         = mx31_map_io,
 567         .init_irq       = mx31_init_irq,
 568         .init_machine   = mxc_board_init,
 569         .timer          = &mx31moboard_timer,
 570 MACHINE_END