hw/arm/fsl-imx6.c

   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 "qemu-common.h"
  25 #include "hw/arm/fsl-imx6.h"
  26 #include "sysemu/sysemu.h"
  27 #include "sysemu/char.h"
  28 #include "qemu/error-report.h"
  29
  30 #define NAME_SIZE 20
  31
  32 static void fsl_imx6_init(Object *obj)
  33 {
  34     FslIMX6State *s = FSL_IMX6(obj);
  35     char name[NAME_SIZE];
  36     int i;
  37
  38     if (smp_cpus > FSL_IMX6_NUM_CPUS) {
  39         error_report("%s: Only %d CPUs are supported (%d requested)",
  40                      TYPE_FSL_IMX6, FSL_IMX6_NUM_CPUS, smp_cpus);
  41         exit(1);
  42     }
  43
  44     for (i = 0; i < smp_cpus; i++) {
  45         object_initialize(&s->cpu[i], sizeof(s->cpu[i]),
  46                           "cortex-a9-" TYPE_ARM_CPU);
  47         snprintf(name, NAME_SIZE, "cpu%d", i);
  48         object_property_add_child(obj, name, OBJECT(&s->cpu[i]), NULL);
  49     }
  50
  51     object_initialize(&s->a9mpcore, sizeof(s->a9mpcore), TYPE_A9MPCORE_PRIV);
  52     qdev_set_parent_bus(DEVICE(&s->a9mpcore), sysbus_get_default());
  53     object_property_add_child(obj, "a9mpcore", OBJECT(&s->a9mpcore), NULL);
  54
  55     object_initialize(&s->ccm, sizeof(s->ccm), TYPE_IMX6_CCM);
  56     qdev_set_parent_bus(DEVICE(&s->ccm), sysbus_get_default());
  57     object_property_add_child(obj, "ccm", OBJECT(&s->ccm), NULL);
  58
  59     object_initialize(&s->src, sizeof(s->src), TYPE_IMX6_SRC);
  60     qdev_set_parent_bus(DEVICE(&s->src), sysbus_get_default());
  61     object_property_add_child(obj, "src", OBJECT(&s->src), NULL);
  62
  63     for (i = 0; i < FSL_IMX6_NUM_UARTS; i++) {
  64         object_initialize(&s->uart[i], sizeof(s->uart[i]), TYPE_IMX_SERIAL);
  65         qdev_set_parent_bus(DEVICE(&s->uart[i]), sysbus_get_default());
  66         snprintf(name, NAME_SIZE, "uart%d", i + 1);
  67         object_property_add_child(obj, name, OBJECT(&s->uart[i]), NULL);
  68     }
  69
  70     object_initialize(&s->gpt, sizeof(s->gpt), TYPE_IMX6_GPT);
  71     qdev_set_parent_bus(DEVICE(&s->gpt), sysbus_get_default());
  72     object_property_add_child(obj, "gpt", OBJECT(&s->gpt), NULL);
  73
  74     for (i = 0; i < FSL_IMX6_NUM_EPITS; i++) {
  75         object_initialize(&s->epit[i], sizeof(s->epit[i]), TYPE_IMX_EPIT);
  76         qdev_set_parent_bus(DEVICE(&s->epit[i]), sysbus_get_default());
  77         snprintf(name, NAME_SIZE, "epit%d", i + 1);
  78         object_property_add_child(obj, name, OBJECT(&s->epit[i]), NULL);
  79     }
  80
  81     for (i = 0; i < FSL_IMX6_NUM_I2CS; i++) {
  82         object_initialize(&s->i2c[i], sizeof(s->i2c[i]), TYPE_IMX_I2C);
  83         qdev_set_parent_bus(DEVICE(&s->i2c[i]), sysbus_get_default());
  84         snprintf(name, NAME_SIZE, "i2c%d", i + 1);
  85         object_property_add_child(obj, name, OBJECT(&s->i2c[i]), NULL);
  86     }
  87
  88     for (i = 0; i < FSL_IMX6_NUM_GPIOS; i++) {
  89         object_initialize(&s->gpio[i], sizeof(s->gpio[i]), TYPE_IMX_GPIO);
  90         qdev_set_parent_bus(DEVICE(&s->gpio[i]), sysbus_get_default());
  91         snprintf(name, NAME_SIZE, "gpio%d", i + 1);
  92         object_property_add_child(obj, name, OBJECT(&s->gpio[i]), NULL);
  93     }
  94
  95     for (i = 0; i < FSL_IMX6_NUM_ESDHCS; i++) {
  96         object_initialize(&s->esdhc[i], sizeof(s->esdhc[i]), TYPE_SYSBUS_SDHCI);
  97         qdev_set_parent_bus(DEVICE(&s->esdhc[i]), sysbus_get_default());
  98         snprintf(name, NAME_SIZE, "sdhc%d", i + 1);
  99         object_property_add_child(obj, name, OBJECT(&s->esdhc[i]), NULL);
 100     }
 101
 102     for (i = 0; i < FSL_IMX6_NUM_ECSPIS; i++) {
 103         object_initialize(&s->spi[i], sizeof(s->spi[i]), TYPE_IMX_SPI);
 104         qdev_set_parent_bus(DEVICE(&s->spi[i]), sysbus_get_default());
 105         snprintf(name, NAME_SIZE, "spi%d", i + 1);
 106         object_property_add_child(obj, name, OBJECT(&s->spi[i]), NULL);
 107     }
 108
 109     object_initialize(&s->eth, sizeof(s->eth), TYPE_IMX_ENET);
 110     qdev_set_parent_bus(DEVICE(&s->eth), sysbus_get_default());
 111     object_property_add_child(obj, "eth", OBJECT(&s->eth), NULL);
 112 }
 113
 114 static void fsl_imx6_realize(DeviceState *dev, Error **errp)
 115 {
 116     FslIMX6State *s = FSL_IMX6(dev);
 117     uint16_t i;
 118     Error *err = NULL;
 119
 120     for (i = 0; i < smp_cpus; i++) {
 121
 122         /* On uniprocessor, the CBAR is set to 0 */
 123         if (smp_cpus > 1) {
 124             object_property_set_int(OBJECT(&s->cpu[i]), FSL_IMX6_A9MPCORE_ADDR,
 125                                     "reset-cbar", &error_abort);
 126         }
 127
 128         /* All CPU but CPU 0 start in power off mode */
 129         if (i) {
 130             object_property_set_bool(OBJECT(&s->cpu[i]), true,
 131                                      "start-powered-off", &error_abort);
 132         }
 133
 134         object_property_set_bool(OBJECT(&s->cpu[i]), true, "realized", &err);
 135         if (err) {
 136             error_propagate(errp, err);
 137             return;
 138         }
 139     }
 140
 141     object_property_set_int(OBJECT(&s->a9mpcore), smp_cpus, "num-cpu",
 142                             &error_abort);
 143
 144     object_property_set_int(OBJECT(&s->a9mpcore),
 145                             FSL_IMX6_MAX_IRQ + GIC_INTERNAL, "num-irq",
 146                             &error_abort);
 147
 148     object_property_set_bool(OBJECT(&s->a9mpcore), true, "realized", &err);
 149     if (err) {
 150         error_propagate(errp, err);
 151         return;
 152     }
 153     sysbus_mmio_map(SYS_BUS_DEVICE(&s->a9mpcore), 0, FSL_IMX6_A9MPCORE_ADDR);
 154
 155     for (i = 0; i < smp_cpus; i++) {
 156         sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i,
 157                            qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
 158         sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i + smp_cpus,
 159                            qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_FIQ));
 160     }
 161
 162     object_property_set_bool(OBJECT(&s->ccm), true, "realized", &err);
 163     if (err) {
 164         error_propagate(errp, err);
 165         return;
 166     }
 167     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, FSL_IMX6_CCM_ADDR);
 168
 169     object_property_set_bool(OBJECT(&s->src), true, "realized", &err);
 170     if (err) {
 171         error_propagate(errp, err);
 172         return;
 173     }
 174     sysbus_mmio_map(SYS_BUS_DEVICE(&s->src), 0, FSL_IMX6_SRC_ADDR);
 175
 176     /* Initialize all UARTs */
 177     for (i = 0; i < FSL_IMX6_NUM_UARTS; i++) {
 178         static const struct {
 179             hwaddr addr;
 180             unsigned int irq;
 181         } serial_table[FSL_IMX6_NUM_UARTS] = {
 182             { FSL_IMX6_UART1_ADDR, FSL_IMX6_UART1_IRQ },
 183             { FSL_IMX6_UART2_ADDR, FSL_IMX6_UART2_IRQ },
 184             { FSL_IMX6_UART3_ADDR, FSL_IMX6_UART3_IRQ },
 185             { FSL_IMX6_UART4_ADDR, FSL_IMX6_UART4_IRQ },
 186             { FSL_IMX6_UART5_ADDR, FSL_IMX6_UART5_IRQ },
 187         };
 188
 189         if (i < MAX_SERIAL_PORTS) {
 190             Chardev *chr;
 191
 192             chr = serial_hds[i];
 193
 194             if (!chr) {
 195                 char *label = g_strdup_printf("imx6.uart%d", i + 1);
 196                 chr = qemu_chr_new(label, "null");
 197                 g_free(label);
 198                 serial_hds[i] = chr;
 199             }
 200
 201             qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", chr);
 202         }
 203
 204         object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err);
 205         if (err) {
 206             error_propagate(errp, err);
 207             return;
 208         }
 209
 210         sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, serial_table[i].addr);
 211         sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
 212                            qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 213                                             serial_table[i].irq));
 214     }
 215
 216     s->gpt.ccm = IMX_CCM(&s->ccm);
 217
 218     object_property_set_bool(OBJECT(&s->gpt), true, "realized", &err);
 219     if (err) {
 220         error_propagate(errp, err);
 221         return;
 222     }
 223
 224     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt), 0, FSL_IMX6_GPT_ADDR);
 225     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt), 0,
 226                        qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 227                                         FSL_IMX6_GPT_IRQ));
 228
 229     /* Initialize all EPIT timers */
 230     for (i = 0; i < FSL_IMX6_NUM_EPITS; i++) {
 231         static const struct {
 232             hwaddr addr;
 233             unsigned int irq;
 234         } epit_table[FSL_IMX6_NUM_EPITS] = {
 235             { FSL_IMX6_EPIT1_ADDR, FSL_IMX6_EPIT1_IRQ },
 236             { FSL_IMX6_EPIT2_ADDR, FSL_IMX6_EPIT2_IRQ },
 237         };
 238
 239         s->epit[i].ccm = IMX_CCM(&s->ccm);
 240
 241         object_property_set_bool(OBJECT(&s->epit[i]), true, "realized", &err);
 242         if (err) {
 243             error_propagate(errp, err);
 244             return;
 245         }
 246
 247         sysbus_mmio_map(SYS_BUS_DEVICE(&s->epit[i]), 0, epit_table[i].addr);
 248         sysbus_connect_irq(SYS_BUS_DEVICE(&s->epit[i]), 0,
 249                            qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 250                                             epit_table[i].irq));
 251     }
 252
 253     /* Initialize all I2C */
 254     for (i = 0; i < FSL_IMX6_NUM_I2CS; i++) {
 255         static const struct {
 256             hwaddr addr;
 257             unsigned int irq;
 258         } i2c_table[FSL_IMX6_NUM_I2CS] = {
 259             { FSL_IMX6_I2C1_ADDR, FSL_IMX6_I2C1_IRQ },
 260             { FSL_IMX6_I2C2_ADDR, FSL_IMX6_I2C2_IRQ },
 261             { FSL_IMX6_I2C3_ADDR, FSL_IMX6_I2C3_IRQ }
 262         };
 263
 264         object_property_set_bool(OBJECT(&s->i2c[i]), true, "realized", &err);
 265         if (err) {
 266             error_propagate(errp, err);
 267             return;
 268         }
 269
 270         sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr);
 271         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0,
 272                            qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 273                                             i2c_table[i].irq));
 274     }
 275
 276     /* Initialize all GPIOs */
 277     for (i = 0; i < FSL_IMX6_NUM_GPIOS; i++) {
 278         static const struct {
 279             hwaddr addr;
 280             unsigned int irq_low;
 281             unsigned int irq_high;
 282         } gpio_table[FSL_IMX6_NUM_GPIOS] = {
 283             {
 284                 FSL_IMX6_GPIO1_ADDR,
 285                 FSL_IMX6_GPIO1_LOW_IRQ,
 286                 FSL_IMX6_GPIO1_HIGH_IRQ
 287             },
 288             {
 289                 FSL_IMX6_GPIO2_ADDR,
 290                 FSL_IMX6_GPIO2_LOW_IRQ,
 291                 FSL_IMX6_GPIO2_HIGH_IRQ
 292             },
 293             {
 294                 FSL_IMX6_GPIO3_ADDR,
 295                 FSL_IMX6_GPIO3_LOW_IRQ,
 296                 FSL_IMX6_GPIO3_HIGH_IRQ
 297             },
 298             {
 299                 FSL_IMX6_GPIO4_ADDR,
 300                 FSL_IMX6_GPIO4_LOW_IRQ,
 301                 FSL_IMX6_GPIO4_HIGH_IRQ
 302             },
 303             {
 304                 FSL_IMX6_GPIO5_ADDR,
 305                 FSL_IMX6_GPIO5_LOW_IRQ,
 306                 FSL_IMX6_GPIO5_HIGH_IRQ
 307             },
 308             {
 309                 FSL_IMX6_GPIO6_ADDR,
 310                 FSL_IMX6_GPIO6_LOW_IRQ,
 311                 FSL_IMX6_GPIO6_HIGH_IRQ
 312             },
 313             {
 314                 FSL_IMX6_GPIO7_ADDR,
 315                 FSL_IMX6_GPIO7_LOW_IRQ,
 316                 FSL_IMX6_GPIO7_HIGH_IRQ
 317             },
 318         };
 319
 320         object_property_set_bool(OBJECT(&s->gpio[i]), true, "has-edge-sel",
 321                                  &error_abort);
 322         object_property_set_bool(OBJECT(&s->gpio[i]), true, "has-upper-pin-irq",
 323                                  &error_abort);
 324         object_property_set_bool(OBJECT(&s->gpio[i]), true, "realized", &err);
 325         if (err) {
 326             error_propagate(errp, err);
 327             return;
 328         }
 329
 330         sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr);
 331         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0,
 332                            qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 333                                             gpio_table[i].irq_low));
 334         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 1,
 335                            qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 336                                             gpio_table[i].irq_high));
 337     }
 338
 339     /* Initialize all SDHC */
 340     for (i = 0; i < FSL_IMX6_NUM_ESDHCS; i++) {
 341         static const struct {
 342             hwaddr addr;
 343             unsigned int irq;
 344         } esdhc_table[FSL_IMX6_NUM_ESDHCS] = {
 345             { FSL_IMX6_uSDHC1_ADDR, FSL_IMX6_uSDHC1_IRQ },
 346             { FSL_IMX6_uSDHC2_ADDR, FSL_IMX6_uSDHC2_IRQ },
 347             { FSL_IMX6_uSDHC3_ADDR, FSL_IMX6_uSDHC3_IRQ },
 348             { FSL_IMX6_uSDHC4_ADDR, FSL_IMX6_uSDHC4_IRQ },
 349         };
 350
 351         object_property_set_bool(OBJECT(&s->esdhc[i]), true, "realized", &err);
 352         if (err) {
 353             error_propagate(errp, err);
 354             return;
 355         }
 356         sysbus_mmio_map(SYS_BUS_DEVICE(&s->esdhc[i]), 0, esdhc_table[i].addr);
 357         sysbus_connect_irq(SYS_BUS_DEVICE(&s->esdhc[i]), 0,
 358                            qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 359                                             esdhc_table[i].irq));
 360     }
 361
 362     /* Initialize all ECSPI */
 363     for (i = 0; i < FSL_IMX6_NUM_ECSPIS; i++) {
 364         static const struct {
 365             hwaddr addr;
 366             unsigned int irq;
 367         } spi_table[FSL_IMX6_NUM_ECSPIS] = {
 368             { FSL_IMX6_eCSPI1_ADDR, FSL_IMX6_ECSPI1_IRQ },
 369             { FSL_IMX6_eCSPI2_ADDR, FSL_IMX6_ECSPI2_IRQ },
 370             { FSL_IMX6_eCSPI3_ADDR, FSL_IMX6_ECSPI3_IRQ },
 371             { FSL_IMX6_eCSPI4_ADDR, FSL_IMX6_ECSPI4_IRQ },
 372             { FSL_IMX6_eCSPI5_ADDR, FSL_IMX6_ECSPI5_IRQ },
 373         };
 374
 375         /* Initialize the SPI */
 376         object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &err);
 377         if (err) {
 378             error_propagate(errp, err);
 379             return;
 380         }
 381
 382         sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, spi_table[i].addr);
 383         sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[i]), 0,
 384                            qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 385                                             spi_table[i].irq));
 386     }
 387
 388     object_property_set_bool(OBJECT(&s->eth), true, "realized", &err);
 389     if (err) {
 390         error_propagate(errp, err);
 391         return;
 392     }
 393     sysbus_mmio_map(SYS_BUS_DEVICE(&s->eth), 0, FSL_IMX6_ENET_ADDR);
 394     sysbus_connect_irq(SYS_BUS_DEVICE(&s->eth), 0,
 395                        qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 396                                         FSL_IMX6_ENET_MAC_IRQ));
 397     sysbus_connect_irq(SYS_BUS_DEVICE(&s->eth), 1,
 398                        qdev_get_gpio_in(DEVICE(&s->a9mpcore),
 399                                         FSL_IMX6_ENET_MAC_1588_IRQ));
 400
 401     /* ROM memory */
 402     memory_region_init_rom(&s->rom, NULL, "imx6.rom",
 403                            FSL_IMX6_ROM_SIZE, &err);
 404     if (err) {
 405         error_propagate(errp, err);
 406         return;
 407     }
 408     memory_region_add_subregion(get_system_memory(), FSL_IMX6_ROM_ADDR,
 409                                 &s->rom);
 410
 411     /* CAAM memory */
 412     memory_region_init_rom(&s->caam, NULL, "imx6.caam",
 413                            FSL_IMX6_CAAM_MEM_SIZE, &err);
 414     if (err) {
 415         error_propagate(errp, err);
 416         return;
 417     }
 418     memory_region_add_subregion(get_system_memory(), FSL_IMX6_CAAM_MEM_ADDR,
 419                                 &s->caam);
 420
 421     /* OCRAM memory */
 422     memory_region_init_ram(&s->ocram, NULL, "imx6.ocram", FSL_IMX6_OCRAM_SIZE,
 423                            &err);
 424     if (err) {
 425         error_propagate(errp, err);
 426         return;
 427     }
 428     memory_region_add_subregion(get_system_memory(), FSL_IMX6_OCRAM_ADDR,
 429                                 &s->ocram);
 430     vmstate_register_ram_global(&s->ocram);
 431
 432     /* internal OCRAM (256 KB) is aliased over 1 MB */
 433     memory_region_init_alias(&s->ocram_alias, NULL, "imx6.ocram_alias",
 434                              &s->ocram, 0, FSL_IMX6_OCRAM_ALIAS_SIZE);
 435     memory_region_add_subregion(get_system_memory(), FSL_IMX6_OCRAM_ALIAS_ADDR,
 436                                 &s->ocram_alias);
 437 }
 438
 439 static void fsl_imx6_class_init(ObjectClass *oc, void *data)
 440 {
 441     DeviceClass *dc = DEVICE_CLASS(oc);
 442
 443     dc->realize = fsl_imx6_realize;
 444
 445     /*
 446      * Reason: creates an ARM CPU, thus use after free(), see
 447      * arm_cpu_class_init()
 448      */
 449     dc->cannot_destroy_with_object_finalize_yet = true;
 450     dc->desc = "i.MX6 SOC";
 451 }
 452
 453 static const TypeInfo fsl_imx6_type_info = {
 454     .name = TYPE_FSL_IMX6,
 455     .parent = TYPE_DEVICE,
 456     .instance_size = sizeof(FslIMX6State),
 457     .instance_init = fsl_imx6_init,
 458     .class_init = fsl_imx6_class_init,
 459 };
 460
 461 static void fsl_imx6_register_types(void)
 462 {
 463     type_register_static(&fsl_imx6_type_info);
 464 }
 465
 466 type_init(fsl_imx6_register_types)