hw/arm/bcm2835_peripherals.c

   1 /*
   2  * Raspberry Pi emulation (c) 2012 Gregory Estrade
   3  * Upstreaming code cleanup [including bcm2835_*] (c) 2013 Jan Petrous
   4  *
   5  * Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
   6  * Written by Andrew Baumann
   7  *
   8  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   9  * See the COPYING file in the top-level directory.
  10  */
  11
  12 #include "qemu/osdep.h"
  13 #include "qapi/error.h"
  14 #include "qemu/module.h"
  15 #include "hw/arm/bcm2835_peripherals.h"
  16 #include "hw/misc/bcm2835_mbox_defs.h"
  17 #include "hw/arm/raspi_platform.h"
  18 #include "sysemu/sysemu.h"
  19
  20 /* Peripheral base address on the VC (GPU) system bus */
  21 #define BCM2835_VC_PERI_BASE 0x7e000000
  22
  23 /* Capabilities for SD controller: no DMA, high-speed, default clocks etc. */
  24 #define BCM2835_SDHC_CAPAREG 0x52134b4
  25
  26 /*
  27  * According to Linux driver & DTS, dma channels 0--10 have separate IRQ,
  28  * while channels 11--14 share one IRQ:
  29  */
  30 #define SEPARATE_DMA_IRQ_MAX 10
  31 #define ORGATED_DMA_IRQ_COUNT 4
  32
  33 /* All three I2C controllers share the same IRQ */
  34 #define ORGATED_I2C_IRQ_COUNT 3
  35
  36 void create_unimp(BCMSocPeripheralBaseState *ps,
  37                   UnimplementedDeviceState *uds,
  38                   const char *name, hwaddr ofs, hwaddr size)
  39 {
  40     object_initialize_child(OBJECT(ps), name, uds, TYPE_UNIMPLEMENTED_DEVICE);
  41     qdev_prop_set_string(DEVICE(uds), "name", name);
  42     qdev_prop_set_uint64(DEVICE(uds), "size", size);
  43     sysbus_realize(SYS_BUS_DEVICE(uds), &error_fatal);
  44     memory_region_add_subregion_overlap(&ps->peri_mr, ofs,
  45                     sysbus_mmio_get_region(SYS_BUS_DEVICE(uds), 0), -1000);
  46 }
  47
  48 static void bcm2835_peripherals_init(Object *obj)
  49 {
  50     BCM2835PeripheralState *s = BCM2835_PERIPHERALS(obj);
  51     BCMSocPeripheralBaseState *s_base = BCM_SOC_PERIPHERALS_BASE(obj);
  52
  53     /* Random Number Generator */
  54     object_initialize_child(obj, "rng", &s->rng, TYPE_BCM2835_RNG);
  55
  56     /* Thermal */
  57     object_initialize_child(obj, "thermal", &s->thermal, TYPE_BCM2835_THERMAL);
  58
  59     /* GPIO */
  60     object_initialize_child(obj, "gpio", &s->gpio, TYPE_BCM2835_GPIO);
  61
  62     object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhci",
  63                                    OBJECT(&s_base->sdhci.sdbus));
  64     object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhost",
  65                                    OBJECT(&s_base->sdhost.sdbus));
  66
  67     /* Gated DMA interrupts */
  68     object_initialize_child(obj, "orgated-dma-irq",
  69                             &s_base->orgated_dma_irq, TYPE_OR_IRQ);
  70     object_property_set_int(OBJECT(&s_base->orgated_dma_irq), "num-lines",
  71                             ORGATED_DMA_IRQ_COUNT, &error_abort);
  72 }
  73
  74 static void raspi_peripherals_base_init(Object *obj)
  75 {
  76     BCMSocPeripheralBaseState *s = BCM_SOC_PERIPHERALS_BASE(obj);
  77     BCMSocPeripheralBaseClass *bc = BCM_SOC_PERIPHERALS_BASE_GET_CLASS(obj);
  78
  79     /* Memory region for peripheral devices, which we export to our parent */
  80     memory_region_init(&s->peri_mr, obj, "bcm2835-peripherals", bc->peri_size);
  81     sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->peri_mr);
  82
  83     /* Internal memory region for peripheral bus addresses (not exported) */
  84     memory_region_init(&s->gpu_bus_mr, obj, "bcm2835-gpu", (uint64_t)1 << 32);
  85
  86     /* Internal memory region for request/response communication with
  87      * mailbox-addressable peripherals (not exported)
  88      */
  89     memory_region_init(&s->mbox_mr, obj, "bcm2835-mbox",
  90                        MBOX_CHAN_COUNT << MBOX_AS_CHAN_SHIFT);
  91
  92     /* Interrupt Controller */
  93     object_initialize_child(obj, "ic", &s->ic, TYPE_BCM2835_IC);
  94
  95     /* SYS Timer */
  96     object_initialize_child(obj, "systimer", &s->systmr,
  97                             TYPE_BCM2835_SYSTIMER);
  98
  99     /* UART0 */
 100     object_initialize_child(obj, "uart0", &s->uart0, TYPE_PL011);
 101
 102     /* AUX / UART1 */
 103     object_initialize_child(obj, "aux", &s->aux, TYPE_BCM2835_AUX);
 104
 105 #if 0
 106     /* System timer */
 107     object_initialize(&s->st, sizeof(s->st), TYPE_BCM2835_ST);
 108     object_property_add_child(obj, "systimer", OBJECT(&s->st), NULL);
 109     qdev_set_parent_bus(DEVICE(&s->st), sysbus_get_default());
 110
 111     /* ARM timer */
 112     object_initialize(&s->timer, sizeof(s->timer), TYPE_BCM2835_TIMER);
 113     object_property_add_child(obj, "armtimer", OBJECT(&s->timer), NULL);
 114     qdev_set_parent_bus(DEVICE(&s->timer), sysbus_get_default());
 115
 116     /* USB controller */
 117     object_initialize(&s->usb, sizeof(s->usb), TYPE_BCM2835_USB);
 118     object_property_add_child(obj, "usb", OBJECT(&s->usb), NULL);
 119     qdev_set_parent_bus(DEVICE(&s->usb), sysbus_get_default());
 120
 121     object_property_add_const_link(OBJECT(&s->usb), "dma_mr",
 122                                    OBJECT(&s->gpu_bus_mr), &error_abort);
 123 #endif
 124
 125     /* Mailboxes */
 126     object_initialize_child(obj, "mbox", &s->mboxes, TYPE_BCM2835_MBOX);
 127
 128     object_property_add_const_link(OBJECT(&s->mboxes), "mbox-mr",
 129                                    OBJECT(&s->mbox_mr));
 130
 131 #if 0
 132     /* Power management */
 133     object_initialize(&s->power, sizeof(s->power), TYPE_BCM2835_POWER);
 134     object_property_add_child(obj, "power", OBJECT(&s->power), NULL);
 135     qdev_set_parent_bus(DEVICE(&s->power), sysbus_get_default());
 136 #endif
 137
 138     /* Framebuffer */
 139     object_initialize_child(obj, "fb", &s->fb, TYPE_BCM2835_FB);
 140     object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size");
 141     object_property_add_alias(obj, "vcram-base", OBJECT(&s->fb), "vcram-base");
 142
 143     object_property_add_const_link(OBJECT(&s->fb), "dma-mr",
 144                                    OBJECT(&s->gpu_bus_mr));
 145
 146     /* OTP */
 147     object_initialize_child(obj, "bcm2835-otp", &s->otp,
 148                             TYPE_BCM2835_OTP);
 149
 150     /* Property channel */
 151     object_initialize_child(obj, "property", &s->property,
 152                             TYPE_BCM2835_PROPERTY);
 153     object_property_add_alias(obj, "board-rev", OBJECT(&s->property),
 154                               "board-rev");
 155     object_property_add_alias(obj, "command-line", OBJECT(&s->property),
 156                               "command-line");
 157
 158     object_property_add_const_link(OBJECT(&s->property), "fb",
 159                                    OBJECT(&s->fb));
 160     object_property_add_const_link(OBJECT(&s->property), "dma-mr",
 161                                    OBJECT(&s->gpu_bus_mr));
 162     object_property_add_const_link(OBJECT(&s->property), "otp",
 163                                    OBJECT(&s->otp));
 164
 165     /* Extended Mass Media Controller */
 166     object_initialize_child(obj, "sdhci", &s->sdhci, TYPE_SYSBUS_SDHCI);
 167
 168     /* SDHOST */
 169     object_initialize_child(obj, "sdhost", &s->sdhost, TYPE_BCM2835_SDHOST);
 170
 171     /* DMA Channels */
 172     object_initialize_child(obj, "dma", &s->dma, TYPE_BCM2835_DMA);
 173
 174     object_property_add_const_link(OBJECT(&s->dma), "dma-mr",
 175                                    OBJECT(&s->gpu_bus_mr));
 176
 177     /* Mphi */
 178     object_initialize_child(obj, "mphi", &s->mphi, TYPE_BCM2835_MPHI);
 179
 180     /* DWC2 */
 181     object_initialize_child(obj, "dwc2", &s->dwc2, TYPE_DWC2_USB);
 182
 183     /* CPRMAN clock manager */
 184     object_initialize_child(obj, "cprman", &s->cprman, TYPE_BCM2835_CPRMAN);
 185
 186     object_property_add_const_link(OBJECT(&s->dwc2), "dma-mr",
 187                                    OBJECT(&s->gpu_bus_mr));
 188
 189     /* Power Management */
 190     object_initialize_child(obj, "powermgt", &s->powermgt,
 191                             TYPE_BCM2835_POWERMGT);
 192
 193     /* SPI */
 194     object_initialize_child(obj, "bcm2835-spi0", &s->spi[0],
 195                             TYPE_BCM2835_SPI);
 196
 197     /* I2C */
 198     object_initialize_child(obj, "bcm2835-i2c0", &s->i2c[0],
 199                             TYPE_BCM2835_I2C);
 200     object_initialize_child(obj, "bcm2835-i2c1", &s->i2c[1],
 201                             TYPE_BCM2835_I2C);
 202     object_initialize_child(obj, "bcm2835-i2c2", &s->i2c[2],
 203                             TYPE_BCM2835_I2C);
 204
 205     object_initialize_child(obj, "orgated-i2c-irq",
 206                             &s->orgated_i2c_irq, TYPE_OR_IRQ);
 207     object_property_set_int(OBJECT(&s->orgated_i2c_irq), "num-lines",
 208                             ORGATED_I2C_IRQ_COUNT, &error_abort);
 209 }
 210
 211 static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
 212 {
 213     MemoryRegion *mphi_mr;
 214     BCM2835PeripheralState *s = BCM2835_PERIPHERALS(dev);
 215     BCMSocPeripheralBaseState *s_base = BCM_SOC_PERIPHERALS_BASE(dev);
 216     int n;
 217
 218     bcm_soc_peripherals_common_realize(dev, errp);
 219
 220     /* Extended Mass Media Controller */
 221     sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->sdhci), 0,
 222         qdev_get_gpio_in_named(DEVICE(&s_base->ic), BCM2835_IC_GPU_IRQ,
 223                                INTERRUPT_ARASANSDIO));
 224
 225      /* Connect DMA 0-12 to the interrupt controller */
 226     for (n = 0; n <= SEPARATE_DMA_IRQ_MAX; n++) {
 227         sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma), n,
 228                            qdev_get_gpio_in_named(DEVICE(&s_base->ic),
 229                                                   BCM2835_IC_GPU_IRQ,
 230                                                   INTERRUPT_DMA0 + n));
 231     }
 232
 233     if (!qdev_realize(DEVICE(&s_base->orgated_dma_irq), NULL, errp)) {
 234         return;
 235     }
 236     for (n = 0; n < ORGATED_DMA_IRQ_COUNT; n++) {
 237         sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma),
 238                            SEPARATE_DMA_IRQ_MAX + 1 + n,
 239                            qdev_get_gpio_in(DEVICE(&s_base->orgated_dma_irq), n));
 240     }
 241     qdev_connect_gpio_out(DEVICE(&s_base->orgated_dma_irq), 0,
 242                           qdev_get_gpio_in_named(DEVICE(&s_base->ic),
 243                               BCM2835_IC_GPU_IRQ,
 244                               INTERRUPT_DMA0 + SEPARATE_DMA_IRQ_MAX + 1));
 245
 246     /* Random Number Generator */
 247     if (!sysbus_realize(SYS_BUS_DEVICE(&s->rng), errp)) {
 248         return;
 249     }
 250     memory_region_add_subregion(
 251         &s_base->peri_mr, RNG_OFFSET,
 252         sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0));
 253
 254     /* THERMAL */
 255     if (!sysbus_realize(SYS_BUS_DEVICE(&s->thermal), errp)) {
 256         return;
 257     }
 258     memory_region_add_subregion(&s_base->peri_mr, THERMAL_OFFSET,
 259                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->thermal), 0));
 260
 261     /* Map MPHI to the peripherals memory map */
 262     mphi_mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s_base->mphi), 0);
 263     memory_region_add_subregion(&s_base->peri_mr, MPHI_OFFSET, mphi_mr);
 264
 265     /* GPIO */
 266     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
 267         return;
 268     }
 269     memory_region_add_subregion(
 270         &s_base->peri_mr, GPIO_OFFSET,
 271         sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0));
 272
 273     object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus");
 274 }
 275
 276 void bcm_soc_peripherals_common_realize(DeviceState *dev, Error **errp)
 277 {
 278     BCMSocPeripheralBaseState *s = BCM_SOC_PERIPHERALS_BASE(dev);
 279     Object *obj;
 280     MemoryRegion *ram;
 281     Error *err = NULL;
 282     uint64_t ram_size, vcram_size, vcram_base;
 283     int n;
 284
 285     obj = object_property_get_link(OBJECT(dev), "ram", &error_abort);
 286
 287     ram = MEMORY_REGION(obj);
 288     ram_size = memory_region_size(ram);
 289
 290     /* Map peripherals and RAM into the GPU address space. */
 291     memory_region_init_alias(&s->peri_mr_alias, OBJECT(s),
 292                              "bcm2835-peripherals", &s->peri_mr, 0,
 293                              memory_region_size(&s->peri_mr));
 294
 295     memory_region_add_subregion_overlap(&s->gpu_bus_mr, BCM2835_VC_PERI_BASE,
 296                                         &s->peri_mr_alias, 1);
 297
 298     /* RAM is aliased four times (different cache configurations) on the GPU */
 299     for (n = 0; n < 4; n++) {
 300         memory_region_init_alias(&s->ram_alias[n], OBJECT(s),
 301                                  "bcm2835-gpu-ram-alias[*]", ram, 0, ram_size);
 302         memory_region_add_subregion_overlap(&s->gpu_bus_mr, (hwaddr)n << 30,
 303                                             &s->ram_alias[n], 0);
 304     }
 305
 306     /* Interrupt Controller */
 307     if (!sysbus_realize(SYS_BUS_DEVICE(&s->ic), errp)) {
 308         return;
 309     }
 310
 311     /* CPRMAN clock manager */
 312     if (!sysbus_realize(SYS_BUS_DEVICE(&s->cprman), errp)) {
 313         return;
 314     }
 315     memory_region_add_subregion(&s->peri_mr, CPRMAN_OFFSET,
 316                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->cprman), 0));
 317     qdev_connect_clock_in(DEVICE(&s->uart0), "clk",
 318                           qdev_get_clock_out(DEVICE(&s->cprman), "uart-out"));
 319
 320     memory_region_add_subregion(&s->peri_mr, ARMCTRL_IC_OFFSET,
 321                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->ic), 0));
 322     sysbus_pass_irq(SYS_BUS_DEVICE(s), SYS_BUS_DEVICE(&s->ic));
 323
 324     /* Sys Timer */
 325     if (!sysbus_realize(SYS_BUS_DEVICE(&s->systmr), errp)) {
 326         return;
 327     }
 328     memory_region_add_subregion(&s->peri_mr, ST_OFFSET,
 329                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->systmr), 0));
 330     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 0,
 331         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 332                                INTERRUPT_TIMER0));
 333     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 1,
 334         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 335                                INTERRUPT_TIMER1));
 336     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 2,
 337         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 338                                INTERRUPT_TIMER2));
 339     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 3,
 340         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 341                                INTERRUPT_TIMER3));
 342
 343     /* UART0 */
 344     qdev_prop_set_chr(DEVICE(&s->uart0), "chardev", serial_hd(0));
 345     if (!sysbus_realize(SYS_BUS_DEVICE(&s->uart0), errp)) {
 346         return;
 347     }
 348
 349     memory_region_add_subregion(&s->peri_mr, UART0_OFFSET,
 350                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart0), 0));
 351     sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart0), 0,
 352         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 353                                INTERRUPT_UART0));
 354
 355     /* AUX / UART1 */
 356     qdev_prop_set_chr(DEVICE(&s->aux), "chardev", serial_hd(1));
 357
 358     if (!sysbus_realize(SYS_BUS_DEVICE(&s->aux), errp)) {
 359         return;
 360     }
 361
 362     memory_region_add_subregion(&s->peri_mr, AUX_OFFSET,
 363                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->aux), 0));
 364     sysbus_connect_irq(SYS_BUS_DEVICE(&s->aux), 0,
 365         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 366                                INTERRUPT_AUX));
 367
 368 #if 0
 369     /* System timer */
 370     object_property_set_bool(OBJECT(&s->st), true, "realized", &err);
 371     if (err) {
 372         error_propagate(errp, err);
 373         return;
 374     }
 375
 376     memory_region_add_subregion(&s->peri_mr, ST_OFFSET,
 377                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->st), 0));
 378     sysbus_connect_irq(SYS_BUS_DEVICE(&s->st), 0,
 379         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 380                                INTERRUPT_TIMER0));
 381     sysbus_connect_irq(SYS_BUS_DEVICE(&s->st), 1,
 382         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 383                                INTERRUPT_TIMER1));
 384     sysbus_connect_irq(SYS_BUS_DEVICE(&s->st), 2,
 385         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 386                                INTERRUPT_TIMER2));
 387     sysbus_connect_irq(SYS_BUS_DEVICE(&s->st), 3,
 388         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 389                                INTERRUPT_TIMER3));
 390
 391     /* ARM timer */
 392     object_property_set_bool(OBJECT(&s->timer), true, "realized", &err);
 393     if (err) {
 394         error_propagate(errp, err);
 395         return;
 396     }
 397
 398     memory_region_add_subregion(&s->peri_mr, ARMCTRL_TIMER0_1_OFFSET,
 399                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->timer), 0));
 400     sysbus_connect_irq(SYS_BUS_DEVICE(&s->timer), 0,
 401         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ,
 402                                INTERRUPT_ARM_TIMER));
 403
 404     /* USB controller */
 405     object_property_set_bool(OBJECT(&s->usb), true, "realized", &err);
 406     if (err) {
 407         error_propagate(errp, err);
 408         return;
 409     }
 410
 411     memory_region_add_subregion(&s->peri_mr, USB_OTG_OFFSET,
 412                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->usb), 0));
 413     sysbus_connect_irq(SYS_BUS_DEVICE(&s->usb), 0,
 414         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 415                                INTERRUPT_USB));
 416
 417     /* MPHI - Message-based Parallel Host Interface */
 418     object_property_set_bool(OBJECT(&s->mphi), true, "realized", &err);
 419     if (err) {
 420         error_propagate(errp, err);
 421         return;
 422     }
 423
 424     memory_region_add_subregion(&s->peri_mr, MPHI_OFFSET,
 425                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mphi), 0));
 426     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mphi), 0,
 427         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 428                                INTERRUPT_HOSTPORT));
 429 #endif
 430
 431     /* Mailboxes */
 432     if (!sysbus_realize(SYS_BUS_DEVICE(&s->mboxes), errp)) {
 433         return;
 434     }
 435
 436     memory_region_add_subregion(&s->peri_mr, ARMCTRL_0_SBM_OFFSET,
 437                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mboxes), 0));
 438     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mboxes), 0,
 439         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ,
 440                                INTERRUPT_ARM_MAILBOX));
 441
 442 #if 0
 443     /* Power management */
 444     object_property_set_bool(OBJECT(&s->power), true, "realized", &err);
 445     if (err) {
 446         error_propagate(errp, err);
 447         return;
 448     }
 449
 450     memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_POWER << MBOX_AS_CHAN_SHIFT,
 451                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->power), 0));
 452     sysbus_connect_irq(SYS_BUS_DEVICE(&s->power), 0,
 453                        qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_POWER));
 454 #endif
 455
 456     /* Framebuffer */
 457     vcram_size = object_property_get_uint(OBJECT(s), "vcram-size", &err);
 458     if (err) {
 459         error_propagate(errp, err);
 460         return;
 461     }
 462
 463     vcram_base = object_property_get_uint(OBJECT(s), "vcram-base", &err);
 464     if (err) {
 465         error_propagate(errp, err);
 466         return;
 467     }
 468
 469     if (vcram_base == 0) {
 470         vcram_base = ram_size - vcram_size;
 471     }
 472     vcram_base = MIN(vcram_base, UPPER_RAM_BASE - vcram_size);
 473
 474     if (!object_property_set_uint(OBJECT(&s->fb), "vcram-base", vcram_base,
 475                                   errp)) {
 476         return;
 477     }
 478     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fb), errp)) {
 479         return;
 480     }
 481
 482     memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_FB << MBOX_AS_CHAN_SHIFT,
 483                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->fb), 0));
 484     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fb), 0,
 485                        qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_FB));
 486
 487     /* OTP */
 488     if (!sysbus_realize(SYS_BUS_DEVICE(&s->otp), errp)) {
 489         return;
 490     }
 491
 492     memory_region_add_subregion(&s->peri_mr, OTP_OFFSET,
 493                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->otp), 0));
 494
 495     /* Property channel */
 496     if (!sysbus_realize(SYS_BUS_DEVICE(&s->property), errp)) {
 497         return;
 498     }
 499
 500     memory_region_add_subregion(&s->mbox_mr,
 501                 MBOX_CHAN_PROPERTY << MBOX_AS_CHAN_SHIFT,
 502                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->property), 0));
 503     sysbus_connect_irq(SYS_BUS_DEVICE(&s->property), 0,
 504                       qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_PROPERTY));
 505
 506     /* Extended Mass Media Controller
 507      *
 508      * Compatible with:
 509      * - SD Host Controller Specification Version 3.0 Draft 1.0
 510      * - SDIO Specification Version 3.0
 511      * - MMC Specification Version 4.4
 512      *
 513      * For the exact details please refer to the Arasan documentation:
 514      *   SD3.0_Host_AHB_eMMC4.4_Usersguide_ver5.9_jan11_10.pdf
 515      */
 516     object_property_set_uint(OBJECT(&s->sdhci), "sd-spec-version", 3,
 517                              &error_abort);
 518     object_property_set_uint(OBJECT(&s->sdhci), "capareg",
 519                              BCM2835_SDHC_CAPAREG, &error_abort);
 520     object_property_set_bool(OBJECT(&s->sdhci), "pending-insert-quirk", true,
 521                              &error_abort);
 522     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp)) {
 523         return;
 524     }
 525
 526     memory_region_add_subregion(&s->peri_mr, EMMC1_OFFSET,
 527                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhci), 0));
 528
 529     /* SDHOST */
 530     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhost), errp)) {
 531         return;
 532     }
 533
 534     memory_region_add_subregion(&s->peri_mr, MMCI0_OFFSET,
 535                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhost), 0));
 536     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhost), 0,
 537         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 538                                INTERRUPT_SDIO));
 539
 540     /* DMA Channels */
 541     if (!sysbus_realize(SYS_BUS_DEVICE(&s->dma), errp)) {
 542         return;
 543     }
 544
 545     memory_region_add_subregion(&s->peri_mr, DMA_OFFSET,
 546                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 0));
 547     memory_region_add_subregion(&s->peri_mr, DMA15_OFFSET,
 548                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 1));
 549
 550     /* Mphi */
 551     if (!sysbus_realize(SYS_BUS_DEVICE(&s->mphi), errp)) {
 552         return;
 553     }
 554
 555     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mphi), 0,
 556         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 557                                INTERRUPT_HOSTPORT));
 558
 559     /* DWC2 */
 560     if (!sysbus_realize(SYS_BUS_DEVICE(&s->dwc2), errp)) {
 561         return;
 562     }
 563
 564     memory_region_add_subregion(&s->peri_mr, USB_OTG_OFFSET,
 565                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dwc2), 0));
 566     sysbus_connect_irq(SYS_BUS_DEVICE(&s->dwc2), 0,
 567         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
 568                                INTERRUPT_USB));
 569
 570     /* Power Management */
 571     if (!sysbus_realize(SYS_BUS_DEVICE(&s->powermgt), errp)) {
 572         return;
 573     }
 574
 575     memory_region_add_subregion(&s->peri_mr, PM_OFFSET,
 576                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->powermgt), 0));
 577
 578     /* SPI */
 579     if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[0]), errp)) {
 580         return;
 581     }
 582
 583     memory_region_add_subregion(&s->peri_mr, SPI0_OFFSET,
 584                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->spi[0]), 0));
 585     sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[0]), 0,
 586                        qdev_get_gpio_in_named(DEVICE(&s->ic),
 587                                               BCM2835_IC_GPU_IRQ,
 588                                               INTERRUPT_SPI));
 589
 590     /* I2C */
 591     for (n = 0; n < 3; n++) {
 592         if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c[n]), errp)) {
 593             return;
 594         }
 595     }
 596
 597     memory_region_add_subregion(&s->peri_mr, BSC0_OFFSET,
 598             sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->i2c[0]), 0));
 599     memory_region_add_subregion(&s->peri_mr, BSC1_OFFSET,
 600             sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->i2c[1]), 0));
 601     memory_region_add_subregion(&s->peri_mr, BSC2_OFFSET,
 602             sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->i2c[2]), 0));
 603
 604     if (!qdev_realize(DEVICE(&s->orgated_i2c_irq), NULL, errp)) {
 605         return;
 606     }
 607     for (n = 0; n < ORGATED_I2C_IRQ_COUNT; n++) {
 608         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[n]), 0,
 609                            qdev_get_gpio_in(DEVICE(&s->orgated_i2c_irq), n));
 610     }
 611     qdev_connect_gpio_out(DEVICE(&s->orgated_i2c_irq), 0,
 612                           qdev_get_gpio_in_named(DEVICE(&s->ic),
 613                                                  BCM2835_IC_GPU_IRQ,
 614                                                  INTERRUPT_I2C));
 615
 616     create_unimp(s, &s->txp, "bcm2835-txp", TXP_OFFSET, 0x1000);
 617     create_unimp(s, &s->armtmr, "bcm2835-sp804", ARMCTRL_TIMER0_1_OFFSET, 0x40);
 618     create_unimp(s, &s->i2s, "bcm2835-i2s", I2S_OFFSET, 0x100);
 619     create_unimp(s, &s->smi, "bcm2835-smi", SMI_OFFSET, 0x100);
 620     create_unimp(s, &s->bscsl, "bcm2835-spis", BSC_SL_OFFSET, 0x100);
 621     create_unimp(s, &s->dbus, "bcm2835-dbus", DBUS_OFFSET, 0x8000);
 622     create_unimp(s, &s->ave0, "bcm2835-ave0", AVE0_OFFSET, 0x8000);
 623     create_unimp(s, &s->v3d, "bcm2835-v3d", V3D_OFFSET, 0x1000);
 624     create_unimp(s, &s->sdramc, "bcm2835-sdramc", SDRAMC_OFFSET, 0x100);
 625 }
 626
 627 static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data)
 628 {
 629     DeviceClass *dc = DEVICE_CLASS(oc);
 630     BCMSocPeripheralBaseClass *bc = BCM_SOC_PERIPHERALS_BASE_CLASS(oc);
 631
 632     bc->peri_size = 0x1000000;
 633     dc->realize = bcm2835_peripherals_realize;
 634 }
 635
 636 static const TypeInfo bcm2835_peripherals_types[] = {
 637     {
 638         .name = TYPE_BCM2835_PERIPHERALS,
 639         .parent = TYPE_BCM_SOC_PERIPHERALS_BASE,
 640         .instance_size = sizeof(BCM2835PeripheralState),
 641         .instance_init = bcm2835_peripherals_init,
 642         .class_init = bcm2835_peripherals_class_init,
 643     }, {
 644         .name = TYPE_BCM_SOC_PERIPHERALS_BASE,
 645         .parent = TYPE_SYS_BUS_DEVICE,
 646         .instance_size = sizeof(BCMSocPeripheralBaseState),
 647         .instance_init = raspi_peripherals_base_init,
 648         .class_size = sizeof(BCMSocPeripheralBaseClass),
 649         .abstract = true,
 650     }
 651 };
 652
 653 DEFINE_TYPES(bcm2835_peripherals_types)