diff options
Diffstat (limited to 'hw/arm/bcm2835_peripherals.c')
| -rw-r--r-- | hw/arm/bcm2835_peripherals.c | 103 |
1 files changed, 100 insertions, 3 deletions
diff --git a/hw/arm/bcm2835_peripherals.c b/hw/arm/bcm2835_peripherals.c index 6d66fa0280..8099a8a92e 100644 --- a/hw/arm/bcm2835_peripherals.c +++ b/hw/arm/bcm2835_peripherals.c @@ -12,6 +12,7 @@ #include "hw/arm/bcm2835_peripherals.h" #include "hw/misc/bcm2835_mbox_defs.h" #include "hw/arm/raspi_platform.h" +#include "sysemu/char.h" /* Peripheral base address on the VC (GPU) system bus */ #define BCM2835_VC_PERI_BASE 0x7e000000 @@ -48,6 +49,11 @@ static void bcm2835_peripherals_init(Object *obj) object_property_add_child(obj, "uart0", OBJECT(s->uart0), NULL); qdev_set_parent_bus(DEVICE(s->uart0), sysbus_get_default()); + /* AUX / UART1 */ + object_initialize(&s->aux, sizeof(s->aux), TYPE_BCM2835_AUX); + object_property_add_child(obj, "aux", OBJECT(&s->aux), NULL); + qdev_set_parent_bus(DEVICE(&s->aux), sysbus_get_default()); + /* Mailboxes */ object_initialize(&s->mboxes, sizeof(s->mboxes), TYPE_BCM2835_MBOX); object_property_add_child(obj, "mbox", OBJECT(&s->mboxes), NULL); @@ -56,6 +62,16 @@ static void bcm2835_peripherals_init(Object *obj) object_property_add_const_link(OBJECT(&s->mboxes), "mbox-mr", OBJECT(&s->mbox_mr), &error_abort); + /* Framebuffer */ + object_initialize(&s->fb, sizeof(s->fb), TYPE_BCM2835_FB); + object_property_add_child(obj, "fb", OBJECT(&s->fb), NULL); + object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size", + &error_abort); + qdev_set_parent_bus(DEVICE(&s->fb), sysbus_get_default()); + + object_property_add_const_link(OBJECT(&s->fb), "dma-mr", + OBJECT(&s->gpu_bus_mr), &error_abort); + /* Property channel */ object_initialize(&s->property, sizeof(s->property), TYPE_BCM2835_PROPERTY); object_property_add_child(obj, "property", OBJECT(&s->property), NULL); @@ -63,6 +79,8 @@ static void bcm2835_peripherals_init(Object *obj) "board-rev", &error_abort); qdev_set_parent_bus(DEVICE(&s->property), sysbus_get_default()); + object_property_add_const_link(OBJECT(&s->property), "fb", + OBJECT(&s->fb), &error_abort); object_property_add_const_link(OBJECT(&s->property), "dma-mr", OBJECT(&s->gpu_bus_mr), &error_abort); @@ -70,6 +88,14 @@ static void bcm2835_peripherals_init(Object *obj) object_initialize(&s->sdhci, sizeof(s->sdhci), TYPE_SYSBUS_SDHCI); object_property_add_child(obj, "sdhci", OBJECT(&s->sdhci), NULL); qdev_set_parent_bus(DEVICE(&s->sdhci), sysbus_get_default()); + + /* DMA Channels */ + object_initialize(&s->dma, sizeof(s->dma), TYPE_BCM2835_DMA); + object_property_add_child(obj, "dma", OBJECT(&s->dma), NULL); + qdev_set_parent_bus(DEVICE(&s->dma), sysbus_get_default()); + + object_property_add_const_link(OBJECT(&s->dma), "dma-mr", + OBJECT(&s->gpu_bus_mr), &error_abort); } static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) @@ -78,7 +104,8 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) Object *obj; MemoryRegion *ram; Error *err = NULL; - uint32_t ram_size; + uint32_t ram_size, vcram_size; + CharDriverState *chr; int n; obj = object_property_get_link(OBJECT(dev), "ram", &err); @@ -131,6 +158,29 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ, INTERRUPT_UART)); + /* AUX / UART1 */ + /* TODO: don't call qemu_char_get_next_serial() here, instead set + * chardev properties for each uart at the board level, once pl011 + * (uart0) has been updated to avoid qemu_char_get_next_serial() + */ + chr = qemu_char_get_next_serial(); + if (chr == NULL) { + chr = qemu_chr_new("bcm2835.uart1", "null", NULL); + } + qdev_prop_set_chr(DEVICE(&s->aux), "chardev", chr); + + 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) { @@ -144,13 +194,33 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ, INTERRUPT_ARM_MAILBOX)); - /* Property channel */ - object_property_set_int(OBJECT(&s->property), ram_size, "ram-size", &err); + /* 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); @@ -171,6 +241,13 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) 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); @@ -189,6 +266,24 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) 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)); + } } static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data) @@ -196,6 +291,8 @@ static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data) DeviceClass *dc = DEVICE_CLASS(oc); dc->realize = bcm2835_peripherals_realize; + /* Reason: realize() method uses qemu_char_get_next_serial() */ + dc->cannot_instantiate_with_device_add_yet = true; } static const TypeInfo bcm2835_peripherals_type_info = { |