1 files changed, 74 insertions, 0 deletions
diff --git a/hw/intc/realview_gic.c b/hw/intc/realview_gic.c
new file mode 100644
index 0000000000..0ec30caa06
--- /dev/null
+++ b/hw/intc/realview_gic.c
@@ -0,0 +1,74 @@
+/*
+ * ARM RealView Emulation Baseboard Interrupt Controller
+ *
+ * Copyright (c) 2006-2007 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licensed under the GPL.
+ */
+
+#include "hw/sysbus.h"
+
+typedef struct {
+    SysBusDevice busdev;
+    DeviceState *gic;
+    MemoryRegion container;
+} RealViewGICState;
+
+static void realview_gic_set_irq(void *opaque, int irq, int level)
+{
+    RealViewGICState *s = (RealViewGICState *)opaque;
+    qemu_set_irq(qdev_get_gpio_in(s->gic, irq), level);
+}
+
+static int realview_gic_init(SysBusDevice *dev)
+{
+    RealViewGICState *s = FROM_SYSBUS(RealViewGICState, dev);
+    SysBusDevice *busdev;
+    /* The GICs on the RealView boards have a fixed nonconfigurable
+     * number of interrupt lines, so we don't need to expose this as
+     * a qdev property.
+     */
+    int numirq = 96;
+
+    s->gic = qdev_create(NULL, "arm_gic");
+    qdev_prop_set_uint32(s->gic, "num-cpu", 1);
+    qdev_prop_set_uint32(s->gic, "num-irq", numirq);
+    qdev_init_nofail(s->gic);
+    busdev = SYS_BUS_DEVICE(s->gic);
+
+    /* Pass through outbound IRQ lines from the GIC */
+    sysbus_pass_irq(dev, busdev);
+
+    /* Pass through inbound GPIO lines to the GIC */
+    qdev_init_gpio_in(&s->busdev.qdev, realview_gic_set_irq, numirq - 32);
+
+    memory_region_init(&s->container, "realview-gic-container", 0x2000);
+    memory_region_add_subregion(&s->container, 0,
+                                sysbus_mmio_get_region(busdev, 1));
+    memory_region_add_subregion(&s->container, 0x1000,
+                                sysbus_mmio_get_region(busdev, 0));
+    sysbus_init_mmio(dev, &s->container);
+    return 0;
+}
+
+static void realview_gic_class_init(ObjectClass *klass, void *data)
+{
+    SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
+
+    sdc->init = realview_gic_init;
+}
+
+static const TypeInfo realview_gic_info = {
+    .name          = "realview_gic",
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(RealViewGICState),
+    .class_init    = realview_gic_class_init,
+};
+
+static void realview_gic_register_types(void)
+{
+    type_register_static(&realview_gic_info);
+}
+
+type_init(realview_gic_register_types)