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/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 #include <linux/memblock.h>
  31
  32 #include <linux/usb/otg.h>
  33 #include <linux/usb/ulpi.h>
  34
  35 #include <asm/mach-types.h>
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/time.h>
  38 #include <asm/mach/map.h>
  39 #include <mach/board-mx31moboard.h>
  40 #include <mach/common.h>
  41 #include <mach/hardware.h>
  42 #include <mach/iomux-mx3.h>
  43 #include <mach/ulpi.h>
  44
  45 #include "devices-imx31.h"
  46
  47 static unsigned int moboard_pins[] = {
  48         /* UART0 */
  49         MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
  50         MX31_PIN_CTS1__GPIO2_7,
  51         /* UART4 */
  52         MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
  53         MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
  54         /* I2C0 */
  55         MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
  56         /* I2C1 */
  57         MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
  58         /* SDHC1 */
  59         MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
  60         MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
  61         MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
  62         MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
  63         /* USB reset */
  64         MX31_PIN_GPIO1_0__GPIO1_0,
  65         /* USB OTG */
  66         MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
  67         MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
  68         MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
  69         MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
  70         MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
  71         MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
  72         MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
  73         MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
  74         MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
  75         MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
  76         MX31_PIN_USB_OC__GPIO1_30,
  77         /* USB H2 */
  78         MX31_PIN_USBH2_DATA0__USBH2_DATA0,
  79         MX31_PIN_USBH2_DATA1__USBH2_DATA1,
  80         MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
  81         MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
  82         MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
  83         MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
  84         MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
  85         MX31_PIN_SCK6__GPIO1_25,
  86         /* LEDs */
  87         MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
  88         MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
  89         /* SPI1 */
  90         MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
  91         MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
  92         MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
  93         /* Atlas IRQ */
  94         MX31_PIN_GPIO1_3__GPIO1_3,
  95         /* SPI2 */
  96         MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
  97         MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
  98         MX31_PIN_CSPI2_SS1__CSPI3_SS1,
  99 };
 100
 101 static struct physmap_flash_data mx31moboard_flash_data = {
 102         .width  = 2,
 103 };
 104
 105 static struct resource mx31moboard_flash_resource = {
 106         .start  = 0xa0000000,
 107         .end    = 0xa1ffffff,
 108         .flags  = IORESOURCE_MEM,
 109 };
 110
 111 static struct platform_device mx31moboard_flash = {
 112         .name   = "physmap-flash",
 113         .id     = 0,
 114         .dev    = {
 115                 .platform_data  = &mx31moboard_flash_data,
 116         },
 117         .resource = &mx31moboard_flash_resource,
 118         .num_resources = 1,
 119 };
 120
 121 static int moboard_uart0_init(struct platform_device *pdev)
 122 {
 123         int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack");
 124         if (ret)
 125                 return ret;
 126
 127         ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
 128         if (ret)
 129                 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
 130
 131         return ret;
 132 }
 133
 134 static void moboard_uart0_exit(struct platform_device *pdev)
 135 {
 136         gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
 137 }
 138
 139 static const struct imxuart_platform_data uart0_pdata __initconst = {
 140         .init = moboard_uart0_init,
 141         .exit = moboard_uart0_exit,
 142 };
 143
 144 static const struct imxuart_platform_data uart4_pdata __initconst = {
 145         .flags = IMXUART_HAVE_RTSCTS,
 146 };
 147
 148 static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
 149         .bitrate = 400000,
 150 };
 151
 152 static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
 153         .bitrate = 100000,
 154 };
 155
 156 static int moboard_spi1_cs[] = {
 157         MXC_SPI_CS(0),
 158         MXC_SPI_CS(2),
 159 };
 160
 161 static const struct spi_imx_master moboard_spi1_pdata __initconst = {
 162         .chipselect     = moboard_spi1_cs,
 163         .num_chipselect = ARRAY_SIZE(moboard_spi1_cs),
 164 };
 165
 166 static struct regulator_consumer_supply sdhc_consumers[] = {
 167         {
 168                 .dev_name = "mxc-mmc.0",
 169                 .supply = "sdhc0_vcc",
 170         },
 171         {
 172                 .dev_name = "mxc-mmc.1",
 173                 .supply = "sdhc1_vcc",
 174         },
 175 };
 176
 177 static struct regulator_init_data sdhc_vreg_data = {
 178         .constraints = {
 179                 .min_uV = 2700000,
 180                 .max_uV = 3000000,
 181                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 182                         REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 183                 .valid_modes_mask = REGULATOR_MODE_NORMAL |
 184                         REGULATOR_MODE_FAST,
 185                 .always_on = 0,
 186                 .boot_on = 1,
 187         },
 188         .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
 189         .consumer_supplies = sdhc_consumers,
 190 };
 191
 192 static struct regulator_consumer_supply cam_consumers[] = {
 193         {
 194                 .dev_name = "mx3_camera.0",
 195                 .supply = "cam_vcc",
 196         },
 197 };
 198
 199 static struct regulator_init_data cam_vreg_data = {
 200         .constraints = {
 201                 .min_uV = 2700000,
 202                 .max_uV = 3000000,
 203                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 204                         REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 205                 .valid_modes_mask = REGULATOR_MODE_NORMAL |
 206                         REGULATOR_MODE_FAST,
 207                 .always_on = 0,
 208                 .boot_on = 1,
 209         },
 210         .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
 211         .consumer_supplies = cam_consumers,
 212 };
 213
 214 static struct mc13xxx_regulator_init_data moboard_regulators[] = {
 215         {
 216                 .id = MC13783_REG_VMMC1,
 217                 .init_data = &sdhc_vreg_data,
 218         },
 219         {
 220                 .id = MC13783_REG_VCAM,
 221                 .init_data = &cam_vreg_data,
 222         },
 223 };
 224
 225 static struct mc13783_led_platform_data moboard_led[] = {
 226         {
 227                 .id = MC13783_LED_R1,
 228                 .name = "coreboard-led-4:red",
 229                 .max_current = 2,
 230         },
 231         {
 232                 .id = MC13783_LED_G1,
 233                 .name = "coreboard-led-4:green",
 234                 .max_current = 2,
 235         },
 236         {
 237                 .id = MC13783_LED_B1,
 238                 .name = "coreboard-led-4:blue",
 239                 .max_current = 2,
 240         },
 241         {
 242                 .id = MC13783_LED_R2,
 243                 .name = "coreboard-led-5:red",
 244                 .max_current = 3,
 245         },
 246         {
 247                 .id = MC13783_LED_G2,
 248                 .name = "coreboard-led-5:green",
 249                 .max_current = 3,
 250         },
 251         {
 252                 .id = MC13783_LED_B2,
 253                 .name = "coreboard-led-5:blue",
 254                 .max_current = 3,
 255         },
 256 };
 257
 258 static struct mc13783_leds_platform_data moboard_leds = {
 259         .num_leds = ARRAY_SIZE(moboard_led),
 260         .led = moboard_led,
 261         .flags = MC13783_LED_SLEWLIMTC,
 262         .abmode = MC13783_LED_AB_DISABLED,
 263         .tc1_period = MC13783_LED_PERIOD_10MS,
 264         .tc2_period = MC13783_LED_PERIOD_10MS,
 265 };
 266
 267 static struct mc13xxx_platform_data moboard_pmic = {
 268         .regulators = {
 269                 .regulators = moboard_regulators,
 270                 .num_regulators = ARRAY_SIZE(moboard_regulators),
 271         },
 272         .leds = &moboard_leds,
 273         .flags = MC13XXX_USE_REGULATOR | MC13XXX_USE_RTC |
 274                 MC13XXX_USE_ADC | MC13XXX_USE_LED,
 275 };
 276
 277 static struct spi_board_info moboard_spi_board_info[] __initdata = {
 278         {
 279                 .modalias = "mc13783",
 280                 .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
 281                 .max_speed_hz = 300000,
 282                 .bus_num = 1,
 283                 .chip_select = 0,
 284                 .platform_data = &moboard_pmic,
 285                 .mode = SPI_CS_HIGH,
 286         },
 287 };
 288
 289 static int moboard_spi2_cs[] = {
 290         MXC_SPI_CS(1),
 291 };
 292
 293 static const struct spi_imx_master moboard_spi2_pdata __initconst = {
 294         .chipselect     = moboard_spi2_cs,
 295         .num_chipselect = ARRAY_SIZE(moboard_spi2_cs),
 296 };
 297
 298 #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
 299 #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
 300
 301 static int moboard_sdhc1_get_ro(struct device *dev)
 302 {
 303         return !gpio_get_value(SDHC1_WP);
 304 }
 305
 306 static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 307                 void *data)
 308 {
 309         int ret;
 310
 311         ret = gpio_request(SDHC1_CD, "sdhc-detect");
 312         if (ret)
 313                 return ret;
 314
 315         gpio_direction_input(SDHC1_CD);
 316
 317         ret = gpio_request(SDHC1_WP, "sdhc-wp");
 318         if (ret)
 319                 goto err_gpio_free;
 320         gpio_direction_input(SDHC1_WP);
 321
 322         ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
 323                 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 324                 "sdhc1-card-detect", data);
 325         if (ret)
 326                 goto err_gpio_free_2;
 327
 328         return 0;
 329
 330 err_gpio_free_2:
 331         gpio_free(SDHC1_WP);
 332 err_gpio_free:
 333         gpio_free(SDHC1_CD);
 334
 335         return ret;
 336 }
 337
 338 static void moboard_sdhc1_exit(struct device *dev, void *data)
 339 {
 340         free_irq(gpio_to_irq(SDHC1_CD), data);
 341         gpio_free(SDHC1_WP);
 342         gpio_free(SDHC1_CD);
 343 }
 344
 345 static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
 346         .get_ro = moboard_sdhc1_get_ro,
 347         .init   = moboard_sdhc1_init,
 348         .exit   = moboard_sdhc1_exit,
 349 };
 350
 351 /*
 352  * this pin is dedicated for all mx31moboard systems, so we do it here
 353  */
 354 #define USB_RESET_B     IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
 355 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
 356                       PAD_CTL_ODE_CMOS)
 357
 358 #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
 359 #define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
 360
 361 static void usb_xcvr_reset(void)
 362 {
 363         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
 364         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
 365         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
 366         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
 367         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
 368         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
 369         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
 370         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
 371         mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
 372         mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
 373         mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
 374         mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
 375
 376         mxc_iomux_set_gpr(MUX_PGP_UH2, true);
 377         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
 378         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
 379         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
 380         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
 381         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
 382         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
 383         mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
 384         mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
 385         mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
 386         mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
 387         mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
 388         mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
 389
 390         gpio_request(OTG_EN_B, "usb-udc-en");
 391         gpio_direction_output(OTG_EN_B, 0);
 392         gpio_request(USBH2_EN_B, "usbh2-en");
 393         gpio_direction_output(USBH2_EN_B, 0);
 394
 395         gpio_request(USB_RESET_B, "usb-reset");
 396         gpio_direction_output(USB_RESET_B, 0);
 397         mdelay(1);
 398         gpio_set_value(USB_RESET_B, 1);
 399         mdelay(1);
 400 }
 401
 402 static int moboard_usbh2_init_hw(struct platform_device *pdev)
 403 {
 404         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 405 }
 406
 407 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 408         .init   = moboard_usbh2_init_hw,
 409         .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
 410 };
 411
 412 static int __init moboard_usbh2_init(void)
 413 {
 414         struct platform_device *pdev;
 415
 416         usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 417                         ULPI_OTG_DRVVBUS_EXT);
 418         if (!usbh2_pdata.otg)
 419                 return -ENODEV;
 420
 421         pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
 422         if (IS_ERR(pdev))
 423                 return PTR_ERR(pdev);
 424
 425         return 0;
 426 }
 427
 428 static const struct gpio_led mx31moboard_leds[] __initconst = {
 429         {
 430                 .name   = "coreboard-led-0:red:running",
 431                 .default_trigger = "heartbeat",
 432                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
 433         }, {
 434                 .name   = "coreboard-led-1:red",
 435                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_STX0),
 436         }, {
 437                 .name   = "coreboard-led-2:red",
 438                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_SRX0),
 439         }, {
 440                 .name   = "coreboard-led-3:red",
 441                 .gpio   = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
 442         },
 443 };
 444
 445 static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
 446         .num_leds       = ARRAY_SIZE(mx31moboard_leds),
 447         .leds           = mx31moboard_leds,
 448 };
 449
 450 static const struct ipu_platform_data mx3_ipu_data __initconst = {
 451         .irq_base = MXC_IPU_IRQ_START,
 452 };
 453
 454 static struct platform_device *devices[] __initdata = {
 455         &mx31moboard_flash,
 456 };
 457
 458 static struct mx3_camera_pdata camera_pdata __initdata = {
 459         .flags          = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
 460         .mclk_10khz     = 4800,
 461 };
 462
 463 static phys_addr_t mx3_camera_base __initdata;
 464 #define MX3_CAMERA_BUF_SIZE SZ_4M
 465
 466 static int __init mx31moboard_init_cam(void)
 467 {
 468         int dma, ret = -ENOMEM;
 469         struct platform_device *pdev;
 470
 471         imx31_add_ipu_core(&mx3_ipu_data);
 472
 473         pdev = imx31_alloc_mx3_camera(&camera_pdata);
 474         if (IS_ERR(pdev))
 475                 return PTR_ERR(pdev);
 476
 477         dma = dma_declare_coherent_memory(&pdev->dev,
 478                                         mx3_camera_base, mx3_camera_base,
 479                                         MX3_CAMERA_BUF_SIZE,
 480                                         DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 481         if (!(dma & DMA_MEMORY_MAP))
 482                 goto err;
 483
 484         ret = platform_device_add(pdev);
 485         if (ret)
 486 err:
 487                 platform_device_put(pdev);
 488
 489         return ret;
 490
 491 }
 492
 493 static int mx31moboard_baseboard;
 494 core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
 495
 496 /*
 497  * Board specific initialization.
 498  */
 499 static void __init mx31moboard_init(void)
 500 {
 501         imx31_soc_init();
 502
 503         mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
 504                 "moboard");
 505
 506         platform_add_devices(devices, ARRAY_SIZE(devices));
 507         gpio_led_register_device(-1, &mx31moboard_led_pdata);
 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         imx31_add_mxc_mmc(0, &sdhc1_pdata);
 524
 525         mx31moboard_init_cam();
 526
 527         usb_xcvr_reset();
 528
 529         moboard_usbh2_init();
 530
 531         switch (mx31moboard_baseboard) {
 532         case MX31NOBOARD:
 533                 break;
 534         case MX31DEVBOARD:
 535                 mx31moboard_devboard_init();
 536                 break;
 537         case MX31MARXBOT:
 538                 mx31moboard_marxbot_init();
 539                 break;
 540         case MX31SMARTBOT:
 541         case MX31EYEBOT:
 542                 mx31moboard_smartbot_init(mx31moboard_baseboard);
 543                 break;
 544         default:
 545                 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
 546                         mx31moboard_baseboard);
 547         }
 548 }
 549
 550 static void __init mx31moboard_timer_init(void)
 551 {
 552         mx31_clocks_init(26000000);
 553 }
 554
 555 struct sys_timer mx31moboard_timer = {
 556         .init   = mx31moboard_timer_init,
 557 };
 558
 559 static void __init mx31moboard_reserve(void)
 560 {
 561         /* reserve 4 MiB for mx3-camera */
 562         mx3_camera_base = memblock_alloc(MX3_CAMERA_BUF_SIZE,
 563                         MX3_CAMERA_BUF_SIZE);
 564         memblock_free(mx3_camera_base, MX3_CAMERA_BUF_SIZE);
 565         memblock_remove(mx3_camera_base, MX3_CAMERA_BUF_SIZE);
 566 }
 567
 568 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
 569         /* Maintainer: Valentin Longchamp, EPFL Mobots group */
 570         .boot_params = MX3x_PHYS_OFFSET + 0x100,
 571         .reserve = mx31moboard_reserve,
 572         .map_io = mx31_map_io,
 573         .init_early = imx31_init_early,
 574         .init_irq = mx31_init_irq,
 575         .timer = &mx31moboard_timer,
 576         .init_machine = mx31moboard_init,
 577 MACHINE_END