arch/arm/mach-imx/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/moduleparam.h>
  22 #include <linux/leds.h>
  23 #include <linux/memory.h>
  24 #include <linux/mtd/physmap.h>
  25 #include <linux/mtd/partitions.h>
  26 #include <linux/platform_device.h>
  27 #include <linux/regulator/machine.h>
  28 #include <linux/mfd/mc13783.h>
  29 #include <linux/spi/spi.h>
  30 #include <linux/types.h>
  31 #include <linux/memblock.h>
  32
  33 #include <linux/usb/otg.h>
  34 #include <linux/usb/ulpi.h>
  35
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/time.h>
  39 #include <asm/mach/map.h>
  40 #include <mach/board-mx31moboard.h>
  41 #include <mach/common.h>
  42 #include <mach/hardware.h>
  43 #include <mach/iomux-mx3.h>
  44 #include <mach/ulpi.h>
  45
  46 #include "devices-imx31.h"
  47
  48 static unsigned int moboard_pins[] = {
  49         /* UART0 */
  50         MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
  51         MX31_PIN_CTS1__GPIO2_7,
  52         /* UART4 */
  53         MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
  54         MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
  55         /* I2C0 */
  56         MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
  57         /* I2C1 */
  58         MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
  59         /* SDHC1 */
  60         MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
  61         MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
  62         MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
  63         MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
  64         /* USB reset */
  65         MX31_PIN_GPIO1_0__GPIO1_0,
  66         /* USB OTG */
  67         MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
  68         MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
  69         MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
  70         MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
  71         MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
  72         MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
  73         MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
  74         MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
  75         MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
  76         MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
  77         MX31_PIN_USB_OC__GPIO1_30,
  78         /* USB H2 */
  79         MX31_PIN_USBH2_DATA0__USBH2_DATA0,
  80         MX31_PIN_USBH2_DATA1__USBH2_DATA1,
  81         MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
  82         MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
  83         MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
  84         MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
  85         MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
  86         MX31_PIN_SCK6__GPIO1_25,
  87         /* LEDs */
  88         MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
  89         MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
  90         /* SPI1 */
  91         MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
  92         MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
  93         MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
  94         /* Atlas IRQ */
  95         MX31_PIN_GPIO1_3__GPIO1_3,
  96         /* SPI2 */
  97         MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
  98         MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
  99         MX31_PIN_CSPI2_SS1__CSPI3_SS1,
 100 };
 101
 102 static struct physmap_flash_data mx31moboard_flash_data = {
 103         .width  = 2,
 104 };
 105
 106 static struct resource mx31moboard_flash_resource = {
 107         .start  = 0xa0000000,
 108         .end    = 0xa1ffffff,
 109         .flags  = IORESOURCE_MEM,
 110 };
 111
 112 static struct platform_device mx31moboard_flash = {
 113         .name   = "physmap-flash",
 114         .id     = 0,
 115         .dev    = {
 116                 .platform_data  = &mx31moboard_flash_data,
 117         },
 118         .resource = &mx31moboard_flash_resource,
 119         .num_resources = 1,
 120 };
 121
 122 static int moboard_uart0_init(struct platform_device *pdev)
 123 {
 124         int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack");
 125         if (ret)
 126                 return ret;
 127
 128         ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
 129         if (ret)
 130                 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
 131
 132         return ret;
 133 }
 134
 135 static void moboard_uart0_exit(struct platform_device *pdev)
 136 {
 137         gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
 138 }
 139
 140 static const struct imxuart_platform_data uart0_pdata __initconst = {
 141         .init = moboard_uart0_init,
 142         .exit = moboard_uart0_exit,
 143 };
 144
 145 static const struct imxuart_platform_data uart4_pdata __initconst = {
 146         .flags = IMXUART_HAVE_RTSCTS,
 147 };
 148
 149 static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
 150         .bitrate = 400000,
 151 };
 152
 153 static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
 154         .bitrate = 100000,
 155 };
 156
 157 static int moboard_spi1_cs[] = {
 158         MXC_SPI_CS(0),
 159         MXC_SPI_CS(2),
 160 };
 161
 162 static const struct spi_imx_master moboard_spi1_pdata __initconst = {
 163         .chipselect     = moboard_spi1_cs,
 164         .num_chipselect = ARRAY_SIZE(moboard_spi1_cs),
 165 };
 166
 167 static struct regulator_consumer_supply sdhc_consumers[] = {
 168         {
 169                 .dev_name = "mxc-mmc.0",
 170                 .supply = "sdhc0_vcc",
 171         },
 172         {
 173                 .dev_name = "mxc-mmc.1",
 174                 .supply = "sdhc1_vcc",
 175         },
 176 };
 177
 178 static struct regulator_init_data sdhc_vreg_data = {
 179         .constraints = {
 180                 .min_uV = 2700000,
 181                 .max_uV = 3000000,
 182                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 183                         REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 184                 .valid_modes_mask = REGULATOR_MODE_NORMAL |
 185                         REGULATOR_MODE_FAST,
 186                 .always_on = 0,
 187                 .boot_on = 1,
 188         },
 189         .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
 190         .consumer_supplies = sdhc_consumers,
 191 };
 192
 193 static struct regulator_consumer_supply cam_consumers[] = {
 194         {
 195                 .dev_name = "mx3_camera.0",
 196                 .supply = "cam_vcc",
 197         },
 198 };
 199
 200 static struct regulator_init_data cam_vreg_data = {
 201         .constraints = {
 202                 .min_uV = 2700000,
 203                 .max_uV = 3000000,
 204                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 205                         REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 206                 .valid_modes_mask = REGULATOR_MODE_NORMAL |
 207                         REGULATOR_MODE_FAST,
 208                 .always_on = 0,
 209                 .boot_on = 1,
 210         },
 211         .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
 212         .consumer_supplies = cam_consumers,
 213 };
 214
 215 static struct mc13xxx_regulator_init_data moboard_regulators[] = {
 216         {
 217                 .id = MC13783_REG_VMMC1,
 218                 .init_data = &sdhc_vreg_data,
 219         },
 220         {
 221                 .id = MC13783_REG_VCAM,
 222                 .init_data = &cam_vreg_data,
 223         },
 224 };
 225
 226 static struct mc13783_led_platform_data moboard_led[] = {
 227         {
 228                 .id = MC13783_LED_R1,
 229                 .name = "coreboard-led-4:red",
 230                 .max_current = 2,
 231         },
 232         {
 233                 .id = MC13783_LED_G1,
 234                 .name = "coreboard-led-4:green",
 235                 .max_current = 2,
 236         },
 237         {
 238                 .id = MC13783_LED_B1,
 239                 .name = "coreboard-led-4:blue",
 240                 .max_current = 2,
 241         },
 242         {
 243                 .id = MC13783_LED_R2,
 244                 .name = "coreboard-led-5:red",
 245                 .max_current = 3,
 246         },
 247         {
 248                 .id = MC13783_LED_G2,
 249                 .name = "coreboard-led-5:green",
 250                 .max_current = 3,
 251         },
 252         {
 253                 .id = MC13783_LED_B2,
 254                 .name = "coreboard-led-5:blue",
 255                 .max_current = 3,
 256         },
 257 };
 258
 259 static struct mc13783_leds_platform_data moboard_leds = {
 260         .num_leds = ARRAY_SIZE(moboard_led),
 261         .led = moboard_led,
 262         .flags = MC13783_LED_SLEWLIMTC,
 263         .abmode = MC13783_LED_AB_DISABLED,
 264         .tc1_period = MC13783_LED_PERIOD_10MS,
 265         .tc2_period = MC13783_LED_PERIOD_10MS,
 266 };
 267
 268 static struct mc13xxx_platform_data moboard_pmic = {
 269         .regulators = {
 270                 .regulators = moboard_regulators,
 271                 .num_regulators = ARRAY_SIZE(moboard_regulators),
 272         },
 273         .leds = &moboard_leds,
 274         .flags = MC13XXX_USE_REGULATOR | MC13XXX_USE_RTC |
 275                 MC13XXX_USE_ADC | MC13XXX_USE_LED,
 276 };
 277
 278 static struct spi_board_info moboard_spi_board_info[] __initdata = {
 279         {
 280                 .modalias = "mc13783",
 281                 .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
 282                 .max_speed_hz = 300000,
 283                 .bus_num = 1,
 284                 .chip_select = 0,
 285                 .platform_data = &moboard_pmic,
 286                 .mode = SPI_CS_HIGH,
 287         },
 288 };
 289
 290 static int moboard_spi2_cs[] = {
 291         MXC_SPI_CS(1),
 292 };
 293
 294 static const struct spi_imx_master moboard_spi2_pdata __initconst = {
 295         .chipselect     = moboard_spi2_cs,
 296         .num_chipselect = ARRAY_SIZE(moboard_spi2_cs),
 297 };
 298
 299 #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
 300 #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
 301
 302 static int moboard_sdhc1_get_ro(struct device *dev)
 303 {
 304         return !gpio_get_value(SDHC1_WP);
 305 }
 306
 307 static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 308                 void *data)
 309 {
 310         int ret;
 311
 312         ret = gpio_request(SDHC1_CD, "sdhc-detect");
 313         if (ret)
 314                 return ret;
 315
 316         gpio_direction_input(SDHC1_CD);
 317
 318         ret = gpio_request(SDHC1_WP, "sdhc-wp");
 319         if (ret)
 320                 goto err_gpio_free;
 321         gpio_direction_input(SDHC1_WP);
 322
 323         ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
 324                 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 325                 "sdhc1-card-detect", data);
 326         if (ret)
 327                 goto err_gpio_free_2;
 328
 329         return 0;
 330
 331 err_gpio_free_2:
 332         gpio_free(SDHC1_WP);
 333 err_gpio_free:
 334         gpio_free(SDHC1_CD);
 335
 336         return ret;
 337 }
 338
 339 static void moboard_sdhc1_exit(struct device *dev, void *data)
 340 {
 341         free_irq(gpio_to_irq(SDHC1_CD), data);
 342         gpio_free(SDHC1_WP);
 343         gpio_free(SDHC1_CD);
 344 }
 345
 346 static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
 347         .get_ro = moboard_sdhc1_get_ro,
 348         .init   = moboard_sdhc1_init,
 349         .exit   = moboard_sdhc1_exit,
 350 };
 351
 352 /*
 353  * this pin is dedicated for all mx31moboard systems, so we do it here
 354  */
 355 #define USB_RESET_B     IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
 356 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
 357                       PAD_CTL_ODE_CMOS)
 358
 359 #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
 360 #define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
 361
 362 static void usb_xcvr_reset(void)
 363 {
 364         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
 365         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
 366         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
 367         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
 368         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
 369         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
 370         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
 371         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
 372         mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
 373         mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
 374         mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
 375         mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
 376
 377         mxc_iomux_set_gpr(MUX_PGP_UH2, true);
 378         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
 379         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
 380         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
 381         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
 382         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
 383         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
 384         mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
 385         mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
 386         mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
 387         mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
 388         mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
 389         mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
 390
 391         gpio_request(OTG_EN_B, "usb-udc-en");
 392         gpio_direction_output(OTG_EN_B, 0);
 393         gpio_request(USBH2_EN_B, "usbh2-en");
 394         gpio_direction_output(USBH2_EN_B, 0);
 395
 396         gpio_request(USB_RESET_B, "usb-reset");
 397         gpio_direction_output(USB_RESET_B, 0);
 398         mdelay(1);
 399         gpio_set_value(USB_RESET_B, 1);
 400         mdelay(1);
 401 }
 402
 403 static int moboard_usbh2_init_hw(struct platform_device *pdev)
 404 {
 405         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 406 }
 407
 408 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 409         .init   = moboard_usbh2_init_hw,
 410         .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
 411 };
 412
 413 static int __init moboard_usbh2_init(void)
 414 {
 415         struct platform_device *pdev;
 416
 417         usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 418                         ULPI_OTG_DRVVBUS_EXT);
 419         if (!usbh2_pdata.otg)
 420                 return -ENODEV;
 421
 422         pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
 423         if (IS_ERR(pdev))
 424                 return PTR_ERR(pdev);
 425
 426         return 0;
 427 }
 428
 429 static const struct gpio_led mx31moboard_leds[] __initconst = {
 430         {
 431                 .name   = "coreboard-led-0:red:running",
 432                 .default_trigger = "heartbeat",
 433                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
 434         }, {
 435                 .name   = "coreboard-led-1:red",
 436                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_STX0),
 437         }, {
 438                 .name   = "coreboard-led-2:red",
 439                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_SRX0),
 440         }, {
 441                 .name   = "coreboard-led-3:red",
 442                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
 443         },
 444 };
 445
 446 static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
 447         .num_leds       = ARRAY_SIZE(mx31moboard_leds),
 448         .leds           = mx31moboard_leds,
 449 };
 450
 451 static const struct ipu_platform_data mx3_ipu_data __initconst = {
 452         .irq_base = MXC_IPU_IRQ_START,
 453 };
 454
 455 static struct platform_device *devices[] __initdata = {
 456         &mx31moboard_flash,
 457 };
 458
 459 static struct mx3_camera_pdata camera_pdata __initdata = {
 460         .flags          = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
 461         .mclk_10khz     = 4800,
 462 };
 463
 464 static phys_addr_t mx3_camera_base __initdata;
 465 #define MX3_CAMERA_BUF_SIZE SZ_4M
 466
 467 static int __init mx31moboard_init_cam(void)
 468 {
 469         int dma, ret = -ENOMEM;
 470         struct platform_device *pdev;
 471
 472         imx31_add_ipu_core(&mx3_ipu_data);
 473
 474         pdev = imx31_alloc_mx3_camera(&camera_pdata);
 475         if (IS_ERR(pdev))
 476                 return PTR_ERR(pdev);
 477
 478         dma = dma_declare_coherent_memory(&pdev->dev,
 479                                         mx3_camera_base, mx3_camera_base,
 480                                         MX3_CAMERA_BUF_SIZE,
 481                                         DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 482         if (!(dma & DMA_MEMORY_MAP))
 483                 goto err;
 484
 485         ret = platform_device_add(pdev);
 486         if (ret)
 487 err:
 488                 platform_device_put(pdev);
 489
 490         return ret;
 491
 492 }
 493
 494 static int mx31moboard_baseboard;
 495 core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
 496
 497 /*
 498  * Board specific initialization.
 499  */
 500 static void __init mx31moboard_init(void)
 501 {
 502         imx31_soc_init();
 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         gpio_led_register_device(-1, &mx31moboard_led_pdata);
 509
 510         imx31_add_imx_uart0(&uart0_pdata);
 511         imx31_add_imx_uart4(&uart4_pdata);
 512
 513         imx31_add_imx_i2c0(&moboard_i2c0_data);
 514         imx31_add_imx_i2c1(&moboard_i2c1_data);
 515
 516         imx31_add_spi_imx1(&moboard_spi1_pdata);
 517         imx31_add_spi_imx2(&moboard_spi2_pdata);
 518
 519         gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
 520         gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
 521         spi_register_board_info(moboard_spi_board_info,
 522                 ARRAY_SIZE(moboard_spi_board_info));
 523
 524         imx31_add_mxc_mmc(0, &sdhc1_pdata);
 525
 526         mx31moboard_init_cam();
 527
 528         usb_xcvr_reset();
 529
 530         moboard_usbh2_init();
 531
 532         switch (mx31moboard_baseboard) {
 533         case MX31NOBOARD:
 534                 break;
 535         case MX31DEVBOARD:
 536                 mx31moboard_devboard_init();
 537                 break;
 538         case MX31MARXBOT:
 539                 mx31moboard_marxbot_init();
 540                 break;
 541         case MX31SMARTBOT:
 542         case MX31EYEBOT:
 543                 mx31moboard_smartbot_init(mx31moboard_baseboard);
 544                 break;
 545         default:
 546                 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
 547                         mx31moboard_baseboard);
 548         }
 549 }
 550
 551 static void __init mx31moboard_timer_init(void)
 552 {
 553         mx31_clocks_init(26000000);
 554 }
 555
 556 struct sys_timer mx31moboard_timer = {
 557         .init   = mx31moboard_timer_init,
 558 };
 559
 560 static void __init mx31moboard_reserve(void)
 561 {
 562         /* reserve 4 MiB for mx3-camera */
 563         mx3_camera_base = memblock_alloc(MX3_CAMERA_BUF_SIZE,
 564                         MX3_CAMERA_BUF_SIZE);
 565         memblock_free(mx3_camera_base, MX3_CAMERA_BUF_SIZE);
 566         memblock_remove(mx3_camera_base, MX3_CAMERA_BUF_SIZE);
 567 }
 568
 569 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
 570         /* Maintainer: Valentin Longchamp, EPFL Mobots group */
 571         .atag_offset = 0x100,
 572         .reserve = mx31moboard_reserve,
 573         .map_io = mx31_map_io,
 574         .init_early = imx31_init_early,
 575         .init_irq = mx31_init_irq,
 576         .timer = &mx31moboard_timer,
 577         .init_machine = mx31moboard_init,
 578 MACHINE_END