69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*
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* ARM RealView Emulation Baseboard Interrupt Controller
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*
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* Copyright (c) 2006-2007 CodeSourcery.
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* Written by Paul Brook
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*
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* This code is licensed under the GPL.
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*/
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#include "sysbus.h"
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#define NCPU 1
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/* Only a single "CPU" interface is present. */
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static inline int
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gic_get_current_cpu(void)
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{
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return 0;
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}
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#include "arm_gic.c"
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typedef struct {
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gic_state gic;
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MemoryRegion container;
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} RealViewGICState;
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static void realview_gic_map_setup(RealViewGICState *s)
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{
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memory_region_init(&s->container, "realview-gic-container", 0x2000);
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memory_region_add_subregion(&s->container, 0, &s->gic.cpuiomem[0]);
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memory_region_add_subregion(&s->container, 0x1000, &s->gic.iomem);
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}
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static int realview_gic_init(SysBusDevice *dev)
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{
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RealViewGICState *s = FROM_SYSBUSGIC(RealViewGICState, dev);
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/* The GICs on the RealView boards have a fixed nonconfigurable
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* number of interrupt lines, so we don't need to expose this as
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* a qdev property.
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*/
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gic_init(&s->gic, 96);
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realview_gic_map_setup(s);
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sysbus_init_mmio(dev, &s->container);
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return 0;
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}
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static void realview_gic_class_init(ObjectClass *klass, void *data)
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{
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SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
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sdc->init = realview_gic_init;
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}
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static TypeInfo realview_gic_info = {
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.name = "realview_gic",
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.parent = TYPE_SYS_BUS_DEVICE,
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.instance_size = sizeof(RealViewGICState),
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.class_init = realview_gic_class_init,
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};
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static void realview_gic_register_devices(void)
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{
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type_register_static(&realview_gic_info);
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}
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device_init(realview_gic_register_devices)
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