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>

5 files changed, 26 insertions, 6 deletions

diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 4e079b39bd..2efd1605b8 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -21,6 +21,7 @@
 
 #include "qemu/osdep.h"
 #include "hw/i386/pc.h"
+#include "hw/southbridge/piix.h"
 #include "hw/irq.h"
 #include "hw/isa/apm.h"
 #include "hw/i2c/pm_smbus.h"
@@ -32,7 +33,6 @@
 #include "qapi/error.h"
 #include "qemu/range.h"
 #include "exec/address-spaces.h"
-#include "hw/acpi/piix4.h"
 #include "hw/acpi/pcihp.h"
 #include "hw/acpi/cpu_hotplug.h"
 #include "hw/acpi/cpu.h"
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 9dd3dbb16c..b1b050d8e2 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -34,7 +34,6 @@
 #include "hw/acpi/acpi-defs.h"
 #include "hw/acpi/acpi.h"
 #include "hw/acpi/cpu.h"
-#include "hw/acpi/piix4.h"
 #include "hw/nvram/fw_cfg.h"
 #include "hw/acpi/bios-linker-loader.h"
 #include "hw/isa/isa.h"
@@ -52,7 +51,7 @@
 #include "sysemu/reset.h"
 
 /* Supported chipsets: */
-#include "hw/acpi/piix4.h"
+#include "hw/southbridge/piix.h"
 #include "hw/acpi/pcihp.h"
 #include "hw/i386/ich9.h"
 #include "hw/pci/pci_bus.h"
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index c15929a1f5..a96ede19b2 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -30,6 +30,7 @@
 #include "hw/i386/x86.h"
 #include "hw/i386/pc.h"
 #include "hw/i386/apic.h"
+#include "hw/southbridge/piix.h"
 #include "hw/display/ramfb.h"
 #include "hw/firmware/smbios.h"
 #include "hw/pci/pci.h"
diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c
index c07a1e14a8..6bf6f0c5d9 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 },
diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c
index 9af486c77c..645c223edb 100644
--- a/hw/mips/mips_malta.c
+++ b/hw/mips/mips_malta.c
@@ -26,7 +26,7 @@
 #include "qemu/units.h"
 #include "qemu-common.h"
 #include "cpu.h"
-#include "hw/i386/pc.h"
+#include "hw/southbridge/piix.h"
 #include "hw/isa/superio.h"
 #include "hw/char/serial.h"
 #include "net/net.h"
@@ -44,7 +44,6 @@
 #include "hw/irq.h"
 #include "hw/loader.h"
 #include "elf.h"
-#include "hw/rtc/mc146818rtc.h"
 #include "exec/address-spaces.h"
 #include "hw/sysbus.h"             /* SysBusDevice */
 #include "qemu/host-utils.h"
@@ -1425,7 +1424,6 @@ void mips_malta_init(MachineState *machine)
     pci_create_simple(pci_bus, piix4_devfn + 2, "piix4-usb-uhci");
     smbus = piix4_pm_init(pci_bus, piix4_devfn + 3, 0x1100,
                           isa_get_irq(NULL, 9), NULL, 0, NULL);
-    mc146818_rtc_init(isa_bus, 2000, NULL);
 
     /* generate SPD EEPROM data */
     generate_eeprom_spd(&smbus_eeprom_buf[0 * 256], ram_size);