qemu/hw/arm/fsl-imx6.c
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   1/*
   2 * Copyright (c) 2015 Jean-Christophe Dubois <jcd@tribudubois.net>
   3 *
   4 * i.MX6 SOC emulation.
   5 *
   6 * Based on hw/arm/fsl-imx31.c
   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
  11 *  (at your option) any later version.
  12 *
  13 *  This program is distributed in the hope that it will be useful, but WITHOUT
  14 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  16 *  for more details.
  17 *
  18 *  You should have received a copy of the GNU General Public License along
  19 *  with this program; if not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22#include "qemu/osdep.h"
  23#include "qapi/error.h"
  24#include "hw/arm/fsl-imx6.h"
  25#include "hw/usb/imx-usb-phy.h"
  26#include "hw/boards.h"
  27#include "hw/qdev-properties.h"
  28#include "sysemu/sysemu.h"
  29#include "chardev/char.h"
  30#include "qemu/error-report.h"
  31#include "qemu/module.h"
  32
  33#define IMX6_ESDHC_CAPABILITIES     0x057834b4
  34
  35#define NAME_SIZE 20
  36
  37static void fsl_imx6_init(Object *obj)
  38{
  39    MachineState *ms = MACHINE(qdev_get_machine());
  40    FslIMX6State *s = FSL_IMX6(obj);
  41    char name[NAME_SIZE];
  42    int i;
  43
  44    for (i = 0; i < MIN(ms->smp.cpus, FSL_IMX6_NUM_CPUS); i++) {
  45        snprintf(name, NAME_SIZE, "cpu%d", i);
  46        object_initialize_child(obj, name, &s->cpu[i],
  47                                ARM_CPU_TYPE_NAME("cortex-a9"));
  48    }
  49
  50    object_initialize_child(obj, "a9mpcore", &s->a9mpcore, TYPE_A9MPCORE_PRIV);
  51
  52    object_initialize_child(obj, "ccm", &s->ccm, TYPE_IMX6_CCM);
  53
  54    object_initialize_child(obj, "src", &s->src, TYPE_IMX6_SRC);
  55
  56    for (i = 0; i < FSL_IMX6_NUM_UARTS; i++) {
  57        snprintf(name, NAME_SIZE, "uart%d", i + 1);
  58        object_initialize_child(obj, name, &s->uart[i], TYPE_IMX_SERIAL);
  59    }
  60
  61    object_initialize_child(obj, "gpt", &s->gpt, TYPE_IMX6_GPT);
  62
  63    for (i = 0; i < FSL_IMX6_NUM_EPITS; i++) {
  64        snprintf(name, NAME_SIZE, "epit%d", i + 1);
  65        object_initialize_child(obj, name, &s->epit[i], TYPE_IMX_EPIT);
  66    }
  67
  68    for (i = 0; i < FSL_IMX6_NUM_I2CS; i++) {
  69        snprintf(name, NAME_SIZE, "i2c%d", i + 1);
  70        object_initialize_child(obj, name, &s->i2c[i], TYPE_IMX_I2C);
  71    }
  72
  73    for (i = 0; i < FSL_IMX6_NUM_GPIOS; i++) {
  74        snprintf(name, NAME_SIZE, "gpio%d", i + 1);
  75        object_initialize_child(obj, name, &s->gpio[i], TYPE_IMX_GPIO);
  76    }
  77
  78    for (i = 0; i < FSL_IMX6_NUM_ESDHCS; i++) {
  79        snprintf(name, NAME_SIZE, "sdhc%d", i + 1);
  80        object_initialize_child(obj, name, &s->esdhc[i], TYPE_IMX_USDHC);
  81    }
  82
  83    for (i = 0; i < FSL_IMX6_NUM_USB_PHYS; i++) {
  84        snprintf(name, NAME_SIZE, "usbphy%d", i);
  85        object_initialize_child(obj, name, &s->usbphy[i], TYPE_IMX_USBPHY);
  86    }
  87    for (i = 0; i < FSL_IMX6_NUM_USBS; i++) {
  88        snprintf(name, NAME_SIZE, "usb%d", i);
  89        object_initialize_child(obj, name, &s->usb[i], TYPE_CHIPIDEA);
  90    }
  91
  92    for (i = 0; i < FSL_IMX6_NUM_ECSPIS; i++) {
  93        snprintf(name, NAME_SIZE, "spi%d", i + 1);
  94        object_initialize_child(obj, name, &s->spi[i], TYPE_IMX_SPI);
  95    }
  96    for (i = 0; i < FSL_IMX6_NUM_WDTS; i++) {
  97        snprintf(name, NAME_SIZE, "wdt%d", i);
  98        object_initialize_child(obj, name, &s->wdt[i], TYPE_IMX2_WDT);
  99    }
 100
 101
 102    object_initialize_child(obj, "eth", &s->eth, TYPE_IMX_ENET);
 103}
 104
 105static void fsl_imx6_realize(DeviceState *dev, Error **errp)
 106{
 107    MachineState *ms = MACHINE(qdev_get_machine());
 108    FslIMX6State *s = FSL_IMX6(dev);
 109    uint16_t i;
 110    Error *err = NULL;
 111    unsigned int smp_cpus = ms->smp.cpus;
 112
 113    if (smp_cpus > FSL_IMX6_NUM_CPUS) {
 114        error_setg(errp, "%s: Only %d CPUs are supported (%d requested)",
 115                   TYPE_FSL_IMX6, FSL_IMX6_NUM_CPUS, smp_cpus);
 116        return;
 117    }
 118
 119    for (i = 0; i < smp_cpus; i++) {
 120
 121        /* On uniprocessor, the CBAR is set to 0 */
 122        if (smp_cpus > 1) {
 123            object_property_set_int(OBJECT(&s->cpu[i]), "reset-cbar",
 124                                    FSL_IMX6_A9MPCORE_ADDR, &error_abort);
 125        }
 126
 127        /* All CPU but CPU 0 start in power off mode */
 128        if (i) {
 129            object_property_set_bool(OBJECT(&s->cpu[i]), "start-powered-off",
 130                                     true, &error_abort);
 131        }
 132
 133        if (!qdev_realize(DEVICE(&s->cpu[i]), NULL, errp)) {
 134            return;
 135        }
 136    }
 137
 138    object_property_set_int(OBJECT(&s->a9mpcore), "num-cpu", smp_cpus,
 139                            &error_abort);
 140
 141    object_property_set_int(OBJECT(&s->a9mpcore), "num-irq",
 142                            FSL_IMX6_MAX_IRQ + GIC_INTERNAL, &error_abort);
 143
 144    if (!sysbus_realize(SYS_BUS_DEVICE(&s->a9mpcore), errp)) {
 145        return;
 146    }
 147    sysbus_mmio_map(SYS_BUS_DEVICE(&s->a9mpcore), 0, FSL_IMX6_A9MPCORE_ADDR);
 148
 149    for (i = 0; i < smp_cpus; i++) {
 150        sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i,
 151                           qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
 152        sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i + smp_cpus,
 153                           qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_FIQ));
 154    }
 155
 156    if (!sysbus_realize(SYS_BUS_DEVICE(&s->ccm), errp)) {
 157        return;
 158    }
 159    sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, FSL_IMX6_CCM_ADDR);
 160
 161    if (!sysbus_realize(SYS_BUS_DEVICE(&s->src), errp)) {
 162        return;
 163    }
 164    sysbus_mmio_map(SYS_BUS_DEVICE(&s->src), 0, FSL_IMX6_SRC_ADDR);
 165
 166    /* Initialize all UARTs */
 167    for (i = 0; i < FSL_IMX6_NUM_UARTS; i++) {
 168        static const struct {
 169            hwaddr addr;
 170            unsigned int irq;
 171        } serial_table[FSL_IMX6_NUM_UARTS] = {
 172            { FSL_IMX6_UART1_ADDR, FSL_IMX6_UART1_IRQ },
 173            { FSL_IMX6_UART2_ADDR, FSL_IMX6_UART2_IRQ },
 174            { FSL_IMX6_UART3_ADDR, FSL_IMX6_UART3_IRQ },
 175            { FSL_IMX6_UART4_ADDR, FSL_IMX6_UART4_IRQ },
 176            { FSL_IMX6_UART5_ADDR, FSL_IMX6_UART5_IRQ },
 177        };
 178
 179        qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hd(i));
 180
 181        if (!sysbus_realize(SYS_BUS_DEVICE(&s->uart[i]), errp)) {
 182            return;
 183        }
 184
 185        sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, serial_table[i].addr);
 186        sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
 187                           qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 188                                            serial_table[i].irq));
 189    }
 190
 191    s->gpt.ccm = IMX_CCM(&s->ccm);
 192
 193    if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpt), errp)) {
 194        return;
 195    }
 196
 197    sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt), 0, FSL_IMX6_GPT_ADDR);
 198    sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt), 0,
 199                       qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 200                                        FSL_IMX6_GPT_IRQ));
 201
 202    /* Initialize all EPIT timers */
 203    for (i = 0; i < FSL_IMX6_NUM_EPITS; i++) {
 204        static const struct {
 205            hwaddr addr;
 206            unsigned int irq;
 207        } epit_table[FSL_IMX6_NUM_EPITS] = {
 208            { FSL_IMX6_EPIT1_ADDR, FSL_IMX6_EPIT1_IRQ },
 209            { FSL_IMX6_EPIT2_ADDR, FSL_IMX6_EPIT2_IRQ },
 210        };
 211
 212        s->epit[i].ccm = IMX_CCM(&s->ccm);
 213
 214        if (!sysbus_realize(SYS_BUS_DEVICE(&s->epit[i]), errp)) {
 215            return;
 216        }
 217
 218        sysbus_mmio_map(SYS_BUS_DEVICE(&s->epit[i]), 0, epit_table[i].addr);
 219        sysbus_connect_irq(SYS_BUS_DEVICE(&s->epit[i]), 0,
 220                           qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 221                                            epit_table[i].irq));
 222    }
 223
 224    /* Initialize all I2C */
 225    for (i = 0; i < FSL_IMX6_NUM_I2CS; i++) {
 226        static const struct {
 227            hwaddr addr;
 228            unsigned int irq;
 229        } i2c_table[FSL_IMX6_NUM_I2CS] = {
 230            { FSL_IMX6_I2C1_ADDR, FSL_IMX6_I2C1_IRQ },
 231            { FSL_IMX6_I2C2_ADDR, FSL_IMX6_I2C2_IRQ },
 232            { FSL_IMX6_I2C3_ADDR, FSL_IMX6_I2C3_IRQ }
 233        };
 234
 235        if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c[i]), errp)) {
 236            return;
 237        }
 238
 239        sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr);
 240        sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0,
 241                           qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 242                                            i2c_table[i].irq));
 243    }
 244
 245    /* Initialize all GPIOs */
 246    for (i = 0; i < FSL_IMX6_NUM_GPIOS; i++) {
 247        static const struct {
 248            hwaddr addr;
 249            unsigned int irq_low;
 250            unsigned int irq_high;
 251        } gpio_table[FSL_IMX6_NUM_GPIOS] = {
 252            {
 253                FSL_IMX6_GPIO1_ADDR,
 254                FSL_IMX6_GPIO1_LOW_IRQ,
 255                FSL_IMX6_GPIO1_HIGH_IRQ
 256            },
 257            {
 258                FSL_IMX6_GPIO2_ADDR,
 259                FSL_IMX6_GPIO2_LOW_IRQ,
 260                FSL_IMX6_GPIO2_HIGH_IRQ
 261            },
 262            {
 263                FSL_IMX6_GPIO3_ADDR,
 264                FSL_IMX6_GPIO3_LOW_IRQ,
 265                FSL_IMX6_GPIO3_HIGH_IRQ
 266            },
 267            {
 268                FSL_IMX6_GPIO4_ADDR,
 269                FSL_IMX6_GPIO4_LOW_IRQ,
 270                FSL_IMX6_GPIO4_HIGH_IRQ
 271            },
 272            {
 273                FSL_IMX6_GPIO5_ADDR,
 274                FSL_IMX6_GPIO5_LOW_IRQ,
 275                FSL_IMX6_GPIO5_HIGH_IRQ
 276            },
 277            {
 278                FSL_IMX6_GPIO6_ADDR,
 279                FSL_IMX6_GPIO6_LOW_IRQ,
 280                FSL_IMX6_GPIO6_HIGH_IRQ
 281            },
 282            {
 283                FSL_IMX6_GPIO7_ADDR,
 284                FSL_IMX6_GPIO7_LOW_IRQ,
 285                FSL_IMX6_GPIO7_HIGH_IRQ
 286            },
 287        };
 288
 289        object_property_set_bool(OBJECT(&s->gpio[i]), "has-edge-sel", true,
 290                                 &error_abort);
 291        object_property_set_bool(OBJECT(&s->gpio[i]), "has-upper-pin-irq",
 292                                 true, &error_abort);
 293        if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio[i]), errp)) {
 294            return;
 295        }
 296
 297        sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr);
 298        sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0,
 299                           qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 300                                            gpio_table[i].irq_low));
 301        sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 1,
 302                           qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 303                                            gpio_table[i].irq_high));
 304    }
 305
 306    /* Initialize all SDHC */
 307    for (i = 0; i < FSL_IMX6_NUM_ESDHCS; i++) {
 308        static const struct {
 309            hwaddr addr;
 310            unsigned int irq;
 311        } esdhc_table[FSL_IMX6_NUM_ESDHCS] = {
 312            { FSL_IMX6_uSDHC1_ADDR, FSL_IMX6_uSDHC1_IRQ },
 313            { FSL_IMX6_uSDHC2_ADDR, FSL_IMX6_uSDHC2_IRQ },
 314            { FSL_IMX6_uSDHC3_ADDR, FSL_IMX6_uSDHC3_IRQ },
 315            { FSL_IMX6_uSDHC4_ADDR, FSL_IMX6_uSDHC4_IRQ },
 316        };
 317
 318        /* UHS-I SDIO3.0 SDR104 1.8V ADMA */
 319        object_property_set_uint(OBJECT(&s->esdhc[i]), "sd-spec-version", 3,
 320                                 &error_abort);
 321        object_property_set_uint(OBJECT(&s->esdhc[i]), "capareg",
 322                                 IMX6_ESDHC_CAPABILITIES, &error_abort);
 323        object_property_set_uint(OBJECT(&s->esdhc[i]), "vendor",
 324                                 SDHCI_VENDOR_IMX, &error_abort);
 325        if (!sysbus_realize(SYS_BUS_DEVICE(&s->esdhc[i]), errp)) {
 326            return;
 327        }
 328        sysbus_mmio_map(SYS_BUS_DEVICE(&s->esdhc[i]), 0, esdhc_table[i].addr);
 329        sysbus_connect_irq(SYS_BUS_DEVICE(&s->esdhc[i]), 0,
 330                           qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 331                                            esdhc_table[i].irq));
 332    }
 333
 334    /* USB */
 335    for (i = 0; i < FSL_IMX6_NUM_USB_PHYS; i++) {
 336        sysbus_realize(SYS_BUS_DEVICE(&s->usbphy[i]), &error_abort);
 337        sysbus_mmio_map(SYS_BUS_DEVICE(&s->usbphy[i]), 0,
 338                        FSL_IMX6_USBPHY1_ADDR + i * 0x1000);
 339    }
 340    for (i = 0; i < FSL_IMX6_NUM_USBS; i++) {
 341        static const int FSL_IMX6_USBn_IRQ[] = {
 342            FSL_IMX6_USB_OTG_IRQ,
 343            FSL_IMX6_USB_HOST1_IRQ,
 344            FSL_IMX6_USB_HOST2_IRQ,
 345            FSL_IMX6_USB_HOST3_IRQ,
 346        };
 347
 348        sysbus_realize(SYS_BUS_DEVICE(&s->usb[i]), &error_abort);
 349        sysbus_mmio_map(SYS_BUS_DEVICE(&s->usb[i]), 0,
 350                        FSL_IMX6_USBOH3_USB_ADDR + i * 0x200);
 351        sysbus_connect_irq(SYS_BUS_DEVICE(&s->usb[i]), 0,
 352                           qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 353                                            FSL_IMX6_USBn_IRQ[i]));
 354    }
 355
 356    /* Initialize all ECSPI */
 357    for (i = 0; i < FSL_IMX6_NUM_ECSPIS; i++) {
 358        static const struct {
 359            hwaddr addr;
 360            unsigned int irq;
 361        } spi_table[FSL_IMX6_NUM_ECSPIS] = {
 362            { FSL_IMX6_eCSPI1_ADDR, FSL_IMX6_ECSPI1_IRQ },
 363            { FSL_IMX6_eCSPI2_ADDR, FSL_IMX6_ECSPI2_IRQ },
 364            { FSL_IMX6_eCSPI3_ADDR, FSL_IMX6_ECSPI3_IRQ },
 365            { FSL_IMX6_eCSPI4_ADDR, FSL_IMX6_ECSPI4_IRQ },
 366            { FSL_IMX6_eCSPI5_ADDR, FSL_IMX6_ECSPI5_IRQ },
 367        };
 368
 369        /* Initialize the SPI */
 370        if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
 371            return;
 372        }
 373
 374        sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, spi_table[i].addr);
 375        sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[i]), 0,
 376                           qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 377                                            spi_table[i].irq));
 378    }
 379
 380    object_property_set_uint(OBJECT(&s->eth), "phy-num", s->phy_num, &err);
 381    qdev_set_nic_properties(DEVICE(&s->eth), &nd_table[0]);
 382    if (!sysbus_realize(SYS_BUS_DEVICE(&s->eth), errp)) {
 383        return;
 384    }
 385    sysbus_mmio_map(SYS_BUS_DEVICE(&s->eth), 0, FSL_IMX6_ENET_ADDR);
 386    sysbus_connect_irq(SYS_BUS_DEVICE(&s->eth), 0,
 387                       qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 388                                        FSL_IMX6_ENET_MAC_IRQ));
 389    sysbus_connect_irq(SYS_BUS_DEVICE(&s->eth), 1,
 390                       qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 391                                        FSL_IMX6_ENET_MAC_1588_IRQ));
 392
 393    /*
 394     * Watchdog
 395     */
 396    for (i = 0; i < FSL_IMX6_NUM_WDTS; i++) {
 397        static const hwaddr FSL_IMX6_WDOGn_ADDR[FSL_IMX6_NUM_WDTS] = {
 398            FSL_IMX6_WDOG1_ADDR,
 399            FSL_IMX6_WDOG2_ADDR,
 400        };
 401        static const int FSL_IMX6_WDOGn_IRQ[FSL_IMX6_NUM_WDTS] = {
 402            FSL_IMX6_WDOG1_IRQ,
 403            FSL_IMX6_WDOG2_IRQ,
 404        };
 405
 406        object_property_set_bool(OBJECT(&s->wdt[i]), "pretimeout-support",
 407                                 true, &error_abort);
 408        sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), &error_abort);
 409
 410        sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0, FSL_IMX6_WDOGn_ADDR[i]);
 411        sysbus_connect_irq(SYS_BUS_DEVICE(&s->wdt[i]), 0,
 412                           qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 413                                            FSL_IMX6_WDOGn_IRQ[i]));
 414    }
 415
 416    /* ROM memory */
 417    memory_region_init_rom(&s->rom, OBJECT(dev), "imx6.rom",
 418                           FSL_IMX6_ROM_SIZE, &err);
 419    if (err) {
 420        error_propagate(errp, err);
 421        return;
 422    }
 423    memory_region_add_subregion(get_system_memory(), FSL_IMX6_ROM_ADDR,
 424                                &s->rom);
 425
 426    /* CAAM memory */
 427    memory_region_init_rom(&s->caam, OBJECT(dev), "imx6.caam",
 428                           FSL_IMX6_CAAM_MEM_SIZE, &err);
 429    if (err) {
 430        error_propagate(errp, err);
 431        return;
 432    }
 433    memory_region_add_subregion(get_system_memory(), FSL_IMX6_CAAM_MEM_ADDR,
 434                                &s->caam);
 435
 436    /* OCRAM memory */
 437    memory_region_init_ram(&s->ocram, NULL, "imx6.ocram", FSL_IMX6_OCRAM_SIZE,
 438                           &err);
 439    if (err) {
 440        error_propagate(errp, err);
 441        return;
 442    }
 443    memory_region_add_subregion(get_system_memory(), FSL_IMX6_OCRAM_ADDR,
 444                                &s->ocram);
 445
 446    /* internal OCRAM (256 KB) is aliased over 1 MB */
 447    memory_region_init_alias(&s->ocram_alias, OBJECT(dev), "imx6.ocram_alias",
 448                             &s->ocram, 0, FSL_IMX6_OCRAM_ALIAS_SIZE);
 449    memory_region_add_subregion(get_system_memory(), FSL_IMX6_OCRAM_ALIAS_ADDR,
 450                                &s->ocram_alias);
 451}
 452
 453static Property fsl_imx6_properties[] = {
 454    DEFINE_PROP_UINT32("fec-phy-num", FslIMX6State, phy_num, 0),
 455    DEFINE_PROP_END_OF_LIST(),
 456};
 457
 458static void fsl_imx6_class_init(ObjectClass *oc, void *data)
 459{
 460    DeviceClass *dc = DEVICE_CLASS(oc);
 461
 462    device_class_set_props(dc, fsl_imx6_properties);
 463    dc->realize = fsl_imx6_realize;
 464    dc->desc = "i.MX6 SOC";
 465    /* Reason: Uses serial_hd() in the realize() function */
 466    dc->user_creatable = false;
 467}
 468
 469static const TypeInfo fsl_imx6_type_info = {
 470    .name = TYPE_FSL_IMX6,
 471    .parent = TYPE_DEVICE,
 472    .instance_size = sizeof(FslIMX6State),
 473    .instance_init = fsl_imx6_init,
 474    .class_init = fsl_imx6_class_init,
 475};
 476
 477static void fsl_imx6_register_types(void)
 478{
 479    type_register_static(&fsl_imx6_type_info);
 480}
 481
 482type_init(fsl_imx6_register_types)
 483