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