exec/memory: Use struct Object typedef
[qemu/ar7.git] / hw / intc / realview_gic.c
blob9b12116b2afd1299ba9477854cddba9bafaafe8a
1 /*
2 * ARM RealView Emulation Baseboard Interrupt Controller
4 * Copyright (c) 2006-2007 CodeSourcery.
5 * Written by Paul Brook
7 * This code is licensed under the GPL.
8 */
10 #include "qemu/osdep.h"
11 #include "qapi/error.h"
12 #include "qemu/module.h"
13 #include "hw/intc/realview_gic.h"
14 #include "hw/irq.h"
15 #include "hw/qdev-properties.h"
17 static void realview_gic_set_irq(void *opaque, int irq, int level)
19 RealViewGICState *s = (RealViewGICState *)opaque;
21 qemu_set_irq(qdev_get_gpio_in(DEVICE(&s->gic), irq), level);
24 static void realview_gic_realize(DeviceState *dev, Error **errp)
26 SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
27 RealViewGICState *s = REALVIEW_GIC(dev);
28 SysBusDevice *busdev;
29 /* The GICs on the RealView boards have a fixed nonconfigurable
30 * number of interrupt lines, so we don't need to expose this as
31 * a qdev property.
33 int numirq = 96;
35 qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", numirq);
36 if (!sysbus_realize(SYS_BUS_DEVICE(&s->gic), errp)) {
37 return;
39 busdev = SYS_BUS_DEVICE(&s->gic);
41 /* Pass through outbound IRQ lines from the GIC */
42 sysbus_pass_irq(sbd, busdev);
44 /* Pass through inbound GPIO lines to the GIC */
45 qdev_init_gpio_in(dev, realview_gic_set_irq, numirq - 32);
47 memory_region_add_subregion(&s->container, 0,
48 sysbus_mmio_get_region(busdev, 1));
49 memory_region_add_subregion(&s->container, 0x1000,
50 sysbus_mmio_get_region(busdev, 0));
53 static void realview_gic_init(Object *obj)
55 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
56 RealViewGICState *s = REALVIEW_GIC(obj);
58 memory_region_init(&s->container, OBJECT(s),
59 "realview-gic-container", 0x2000);
60 sysbus_init_mmio(sbd, &s->container);
62 object_initialize_child(obj, "gic", &s->gic, TYPE_ARM_GIC);
63 qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", 1);
66 static void realview_gic_class_init(ObjectClass *oc, void *data)
68 DeviceClass *dc = DEVICE_CLASS(oc);
70 dc->realize = realview_gic_realize;
73 static const TypeInfo realview_gic_info = {
74 .name = TYPE_REALVIEW_GIC,
75 .parent = TYPE_SYS_BUS_DEVICE,
76 .instance_size = sizeof(RealViewGICState),
77 .instance_init = realview_gic_init,
78 .class_init = realview_gic_class_init,
81 static void realview_gic_register_types(void)
83 type_register_static(&realview_gic_info);
86 type_init(realview_gic_register_types)