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hw/i386/pc: Create RTC controllers in south bridges

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Just like in the real hardware (and in PIIX4), create the RTC
controllers in the south bridges.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230519084734.220480-2-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Bernhard Beschow 2023-05-19 10:47:33 +02:00 • committed by Michael S. Tsirkin
parent 547a652fd1
commit f0bc6bf725
8 changed files with 51 additions and 1 deletions
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15
hw/isa/piix3.c
View file

@ -28,6 +28,7 @@
#include "hw/dma/i8257.h"
#include "hw/southbridge/piix.h"
#include "hw/irq.h"
#include "hw/qdev-properties.h"
#include "hw/isa/isa.h"
#include "hw/xen/xen.h"
#include "sysemu/runstate.h"
@ -301,6 +302,12 @@ static void pci_piix3_realize(PCIDevice *dev, Error **errp)
PIIX_RCR_IOPORT, &d->rcr_mem, 1);
i8257_dma_init(isa_bus, 0);
/* RTC */
qdev_prop_set_int32(DEVICE(&d->rtc), "base_year", 2000);
if (!qdev_realize(DEVICE(&d->rtc), BUS(isa_bus), errp)) {
return;
}
}
static void build_pci_isa_aml(AcpiDevAmlIf *adev, Aml *scope)
@ -324,6 +331,13 @@ static void build_pci_isa_aml(AcpiDevAmlIf *adev, Aml *scope)
qbus_build_aml(bus, scope);
}
static void pci_piix3_init(Object *obj)
{
PIIX3State *d = PIIX3_PCI_DEVICE(obj);
object_initialize_child(obj, "rtc", &d->rtc, TYPE_MC146818_RTC);
}
static void pci_piix3_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@ -350,6 +364,7 @@ static const TypeInfo piix3_pci_type_info = {
.name = TYPE_PIIX3_PCI_DEVICE,
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(PIIX3State),
.instance_init = pci_piix3_init,
.abstract = true,
.class_init = pci_piix3_class_init,
.interfaces = (InterfaceInfo[]) {