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26#include "qemu/osdep.h"
27#include "dec.h"
28#include "hw/sysbus.h"
29#include "hw/pci/pci.h"
30#include "hw/pci/pci_host.h"
31#include "hw/pci/pci_bridge.h"
32#include "hw/pci/pci_bus.h"
33
34
35
36
37#ifdef DEBUG_DEC
38#define DEC_DPRINTF(fmt, ...) \
39 do { printf("DEC: " fmt , ## __VA_ARGS__); } while (0)
40#else
41#define DEC_DPRINTF(fmt, ...)
42#endif
43
44#define DEC_21154(obj) OBJECT_CHECK(DECState, (obj), TYPE_DEC_21154)
45
46typedef struct DECState {
47 PCIHostState parent_obj;
48} DECState;
49
50static int dec_map_irq(PCIDevice *pci_dev, int irq_num)
51{
52 return irq_num;
53}
54
55static void dec_pci_bridge_realize(PCIDevice *pci_dev, Error **errp)
56{
57 pci_bridge_initfn(pci_dev, TYPE_PCI_BUS);
58}
59
60static void dec_21154_pci_bridge_class_init(ObjectClass *klass, void *data)
61{
62 DeviceClass *dc = DEVICE_CLASS(klass);
63 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
64
65 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
66 k->realize = dec_pci_bridge_realize;
67 k->exit = pci_bridge_exitfn;
68 k->vendor_id = PCI_VENDOR_ID_DEC;
69 k->device_id = PCI_DEVICE_ID_DEC_21154;
70 k->config_write = pci_bridge_write_config;
71 k->is_bridge = 1;
72 dc->desc = "DEC 21154 PCI-PCI bridge";
73 dc->reset = pci_bridge_reset;
74 dc->vmsd = &vmstate_pci_device;
75}
76
77static const TypeInfo dec_21154_pci_bridge_info = {
78 .name = "dec-21154-p2p-bridge",
79 .parent = TYPE_PCI_BRIDGE,
80 .instance_size = sizeof(PCIBridge),
81 .class_init = dec_21154_pci_bridge_class_init,
82};
83
84PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
85{
86 PCIDevice *dev;
87 PCIBridge *br;
88
89 dev = pci_create_multifunction(parent_bus, devfn, false,
90 "dec-21154-p2p-bridge");
91 br = PCI_BRIDGE(dev);
92 pci_bridge_map_irq(br, "DEC 21154 PCI-PCI bridge", dec_map_irq);
93 qdev_init_nofail(&dev->qdev);
94 return pci_bridge_get_sec_bus(br);
95}
96
97static int pci_dec_21154_device_init(SysBusDevice *dev)
98{
99 PCIHostState *phb;
100
101 phb = PCI_HOST_BRIDGE(dev);
102
103 memory_region_init_io(&phb->conf_mem, OBJECT(dev), &pci_host_conf_le_ops,
104 dev, "pci-conf-idx", 0x1000);
105 memory_region_init_io(&phb->data_mem, OBJECT(dev), &pci_host_data_le_ops,
106 dev, "pci-data-idx", 0x1000);
107 sysbus_init_mmio(dev, &phb->conf_mem);
108 sysbus_init_mmio(dev, &phb->data_mem);
109 return 0;
110}
111
112static void dec_21154_pci_host_realize(PCIDevice *d, Error **errp)
113{
114
115}
116
117static void dec_21154_pci_host_class_init(ObjectClass *klass, void *data)
118{
119 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
120 DeviceClass *dc = DEVICE_CLASS(klass);
121
122 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
123 k->realize = dec_21154_pci_host_realize;
124 k->vendor_id = PCI_VENDOR_ID_DEC;
125 k->device_id = PCI_DEVICE_ID_DEC_21154;
126 k->revision = 0x02;
127 k->class_id = PCI_CLASS_BRIDGE_PCI;
128 k->is_bridge = 1;
129
130
131
132
133 dc->user_creatable = false;
134}
135
136static const TypeInfo dec_21154_pci_host_info = {
137 .name = "dec-21154",
138 .parent = TYPE_PCI_DEVICE,
139 .instance_size = sizeof(PCIDevice),
140 .class_init = dec_21154_pci_host_class_init,
141};
142
143static void pci_dec_21154_device_class_init(ObjectClass *klass, void *data)
144{
145 SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
146
147 sdc->init = pci_dec_21154_device_init;
148}
149
150static const TypeInfo pci_dec_21154_device_info = {
151 .name = TYPE_DEC_21154,
152 .parent = TYPE_PCI_HOST_BRIDGE,
153 .instance_size = sizeof(DECState),
154 .class_init = pci_dec_21154_device_class_init,
155};
156
157static void dec_register_types(void)
158{
159 type_register_static(&pci_dec_21154_device_info);
160 type_register_static(&dec_21154_pci_host_info);
161 type_register_static(&dec_21154_pci_bridge_info);
162}
163
164type_init(dec_register_types)
165