summaryrefslogtreecommitdiffstats
path: root/hw/arm/bcm2835_peripherals.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/arm/bcm2835_peripherals.c')
-rw-r--r--hw/arm/bcm2835_peripherals.c103
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 = {
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-24 10:20:06 +0200