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author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2018-01-06 16:37:26 +0100 |
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committer | Philippe Mathieu-Daudé <philmd@redhat.com> | 2019-11-05 23:33:12 +0100 |
commit | fff123b8fd03433b89b0e8448a6809d4fec1f721 (patch) | |
tree | b07dced506218d69b505e2f67ce973ebabbc4a3e /hw/isa/piix4.c | |
parent | f9b3cd563dcc32f7afdfc18dab781576bc7d06c1 (diff) | |
download | qemu-fff123b8fd03433b89b0e8448a6809d4fec1f721.zip qemu-fff123b8fd03433b89b0e8448a6809d4fec1f721.tar.gz qemu-fff123b8fd03433b89b0e8448a6809d4fec1f721.tar.bz2 |
piix4: Add a MC146818 RTC Controller as specified in datasheet
Remove mc146818rtc instanciated in malta board, to not have it twice.
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Message-Id: <20171216090228.28505-13-hpoussin@reactos.org>
[PMD: rebased, set RTC base_year to 2000]
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Diffstat (limited to 'hw/isa/piix4.c')
-rw-r--r-- | hw/isa/piix4.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c index c07a1e1..6bf6f0c 100644 --- a/hw/isa/piix4.c +++ b/hw/isa/piix4.c @@ -24,6 +24,7 @@ */ #include "qemu/osdep.h" +#include "qapi/error.h" #include "hw/irq.h" #include "hw/i386/pc.h" #include "hw/pci/pci.h" @@ -31,6 +32,7 @@ #include "hw/sysbus.h" #include "hw/dma/i8257.h" #include "hw/timer/i8254.h" +#include "hw/rtc/mc146818rtc.h" #include "migration/vmstate.h" #include "sysemu/reset.h" #include "sysemu/runstate.h" @@ -42,6 +44,7 @@ typedef struct PIIX4State { qemu_irq cpu_intr; qemu_irq *isa; + RTCState rtc; /* Reset Control Register */ MemoryRegion rcr_mem; uint8_t rcr; @@ -145,6 +148,7 @@ static void piix4_realize(PCIDevice *dev, Error **errp) PIIX4State *s = PIIX4_PCI_DEVICE(dev); ISABus *isa_bus; qemu_irq *i8259_out_irq; + Error *err = NULL; isa_bus = isa_bus_new(DEVICE(dev), pci_address_space(dev), pci_address_space_io(dev), errp); @@ -175,9 +179,26 @@ static void piix4_realize(PCIDevice *dev, Error **errp) /* DMA */ i8257_dma_init(isa_bus, 0); + /* RTC */ + qdev_set_parent_bus(DEVICE(&s->rtc), BUS(isa_bus)); + qdev_prop_set_int32(DEVICE(&s->rtc), "base_year", 2000); + object_property_set_bool(OBJECT(&s->rtc), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + isa_init_irq(ISA_DEVICE(&s->rtc), &s->rtc.irq, RTC_ISA_IRQ); + piix4_dev = dev; } +static void piix4_init(Object *obj) +{ + PIIX4State *s = PIIX4_PCI_DEVICE(obj); + + object_initialize(&s->rtc, sizeof(s->rtc), TYPE_MC146818_RTC); +} + static void piix4_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -202,6 +223,7 @@ static const TypeInfo piix4_info = { .name = TYPE_PIIX4_PCI_DEVICE, .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(PIIX4State), + .instance_init = piix4_init, .class_init = piix4_class_init, .interfaces = (InterfaceInfo[]) { { INTERFACE_CONVENTIONAL_PCI_DEVICE }, |