static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) { BCM2835PeripheralState *s = BCM2835_PERIPHERALS(dev); Object *obj; MemoryRegion *ram; Error *err = NULL; uint32_t ram_size, vcram_size; int n; obj = object_property_get_link(OBJECT(dev), "ram", &err); if (obj == NULL) { error_setg(errp, "%s: required ram link not found: %s", __func__, error_get_pretty(err)); return; } ram = MEMORY_REGION(obj); ram_size = memory_region_size(ram); /* Map peripherals and RAM into the GPU address space. */ memory_region_init_alias(&s->peri_mr_alias, OBJECT(s), "bcm2835-peripherals", &s->peri_mr, 0, memory_region_size(&s->peri_mr)); memory_region_add_subregion_overlap(&s->gpu_bus_mr, BCM2835_VC_PERI_BASE, &s->peri_mr_alias, 1); /* RAM is aliased four times (different cache configurations) on the GPU */ for (n = 0; n < 4; n++) { memory_region_init_alias(&s->ram_alias[n], OBJECT(s), "bcm2835-gpu-ram-alias[*]", ram, 0, ram_size); memory_region_add_subregion_overlap(&s->gpu_bus_mr, (hwaddr)n << 30, &s->ram_alias[n], 0); } /* Interrupt Controller */ object_property_set_bool(OBJECT(&s->ic), true, "realized", &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(&s->peri_mr, ARMCTRL_IC_OFFSET, sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->ic), 0)); sysbus_pass_irq(SYS_BUS_DEVICE(s), SYS_BUS_DEVICE(&s->ic)); /* UART0 */ qdev_prop_set_chr(DEVICE(s->uart0), "chardev", serial_hds[0]); object_property_set_bool(OBJECT(s->uart0), true, "realized", &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(&s->peri_mr, UART0_OFFSET, sysbus_mmio_get_region(s->uart0, 0)); sysbus_connect_irq(s->uart0, 0, qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ, INTERRUPT_UART)); /* AUX / UART1 */ qdev_prop_set_chr(DEVICE(&s->aux), "chardev", serial_hds[1]); object_property_set_bool(OBJECT(&s->aux), true, "realized", &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(&s->peri_mr, UART1_OFFSET, sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->aux), 0)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->aux), 0, qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ, INTERRUPT_AUX)); /* Mailboxes */ object_property_set_bool(OBJECT(&s->mboxes), true, "realized", &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(&s->peri_mr, ARMCTRL_0_SBM_OFFSET, sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mboxes), 0)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->mboxes), 0, qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ, INTERRUPT_ARM_MAILBOX)); /* Framebuffer */ vcram_size = (uint32_t)object_property_get_int(OBJECT(s), "vcram-size", &err); if (err) { error_propagate(errp, err); return; } object_property_set_int(OBJECT(&s->fb), ram_size - vcram_size, "vcram-base", &err); if (err) { error_propagate(errp, err); return; } object_property_set_bool(OBJECT(&s->fb), true, "realized", &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_FB << MBOX_AS_CHAN_SHIFT, sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->fb), 0)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->fb), 0, qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_FB)); /* Property channel */ object_property_set_bool(OBJECT(&s->property), true, "realized", &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_PROPERTY << MBOX_AS_CHAN_SHIFT, sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->property), 0)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->property), 0, qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_PROPERTY)); /* Random Number Generator */ object_property_set_bool(OBJECT(&s->rng), true, "realized", &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(&s->peri_mr, RNG_OFFSET, sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0)); /* Extended Mass Media Controller */ object_property_set_int(OBJECT(&s->sdhci), BCM2835_SDHC_CAPAREG, "capareg", &err); if (err) { error_propagate(errp, err); return; } object_property_set_bool(OBJECT(&s->sdhci), true, "pending-insert-quirk", &err); if (err) { error_propagate(errp, err); return; } object_property_set_bool(OBJECT(&s->sdhci), true, "realized", &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(&s->peri_mr, EMMC_OFFSET, sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhci), 0)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0, qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ, INTERRUPT_ARASANSDIO)); object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->sdhci), "sd-bus", &err); if (err) { error_propagate(errp, err); return; } /* DMA Channels */ object_property_set_bool(OBJECT(&s->dma), true, "realized", &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(&s->peri_mr, DMA_OFFSET, sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 0)); memory_region_add_subregion(&s->peri_mr, DMA15_OFFSET, sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 1)); for (n = 0; n <= 12; n++) { sysbus_connect_irq(SYS_BUS_DEVICE(&s->dma), n, qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ, INTERRUPT_DMA0 + n)); } }