1 /* 2 * ARM RealView Emulation Baseboard Interrupt Controller 3 * 4 * Copyright (c) 2006-2007 CodeSourcery. 5 * Written by Paul Brook 6 * 7 * This code is licensed under the GPL. 8 */ 9 10 #include "sysbus.h" 11 12 #define LEGACY_INCLUDED_GIC 13 #include "arm_gic.c" 14 15 typedef struct { 16 gic_state gic; 17 MemoryRegion container; 18 } RealViewGICState; 19 20 static void realview_gic_map_setup(RealViewGICState *s) 21 { 22 memory_region_init(&s->container, "realview-gic-container", 0x2000); 23 memory_region_add_subregion(&s->container, 0, &s->gic.cpuiomem[0]); 24 memory_region_add_subregion(&s->container, 0x1000, &s->gic.iomem); 25 } 26 27 static int realview_gic_init(SysBusDevice *dev) 28 { 29 RealViewGICState *s = FROM_SYSBUSGIC(RealViewGICState, dev); 30 31 /* The GICs on the RealView boards have a fixed nonconfigurable 32 * number of interrupt lines, so we don't need to expose this as 33 * a qdev property. 34 */ 35 gic_init(&s->gic, 1, 96); 36 realview_gic_map_setup(s); 37 sysbus_init_mmio(dev, &s->container); 38 return 0; 39 } 40 41 static void realview_gic_class_init(ObjectClass *klass, void *data) 42 { 43 SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass); 44 45 sdc->init = realview_gic_init; 46 } 47 48 static TypeInfo realview_gic_info = { 49 .name = "realview_gic", 50 .parent = TYPE_SYS_BUS_DEVICE, 51 .instance_size = sizeof(RealViewGICState), 52 .class_init = realview_gic_class_init, 53 }; 54 55 static void realview_gic_register_types(void) 56 { 57 type_register_static(&realview_gic_info); 58 } 59 60 type_init(realview_gic_register_types) 61