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26#include "qemu/osdep.h"
27#include "dec.h"
28#include "hw/sysbus.h"
29#include "qapi/error.h"
30#include "qemu/module.h"
31#include "hw/pci/pci.h"
32#include "hw/pci/pci_host.h"
33#include "hw/pci/pci_bridge.h"
34#include "hw/pci/pci_bus.h"
35#include "qom/object.h"
36
37OBJECT_DECLARE_SIMPLE_TYPE(DECState, DEC_21154)
38
39struct DECState {
40 PCIHostState parent_obj;
41};
42
43static int dec_map_irq(PCIDevice *pci_dev, int irq_num)
44{
45 return irq_num;
46}
47
48static void dec_pci_bridge_realize(PCIDevice *pci_dev, Error **errp)
49{
50 pci_bridge_initfn(pci_dev, TYPE_PCI_BUS);
51}
52
53static void dec_21154_pci_bridge_class_init(ObjectClass *klass, void *data)
54{
55 DeviceClass *dc = DEVICE_CLASS(klass);
56 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
57
58 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
59 k->realize = dec_pci_bridge_realize;
60 k->exit = pci_bridge_exitfn;
61 k->vendor_id = PCI_VENDOR_ID_DEC;
62 k->device_id = PCI_DEVICE_ID_DEC_21154;
63 k->config_write = pci_bridge_write_config;
64 k->is_bridge = true;
65 dc->desc = "DEC 21154 PCI-PCI bridge";
66 dc->reset = pci_bridge_reset;
67 dc->vmsd = &vmstate_pci_device;
68}
69
70static const TypeInfo dec_21154_pci_bridge_info = {
71 .name = "dec-21154-p2p-bridge",
72 .parent = TYPE_PCI_BRIDGE,
73 .instance_size = sizeof(PCIBridge),
74 .class_init = dec_21154_pci_bridge_class_init,
75 .interfaces = (InterfaceInfo[]) {
76 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
77 { },
78 },
79};
80
81PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
82{
83 PCIDevice *dev;
84 PCIBridge *br;
85
86 dev = pci_new_multifunction(devfn, false, "dec-21154-p2p-bridge");
87 br = PCI_BRIDGE(dev);
88 pci_bridge_map_irq(br, "DEC 21154 PCI-PCI bridge", dec_map_irq);
89 pci_realize_and_unref(dev, parent_bus, &error_fatal);
90 return pci_bridge_get_sec_bus(br);
91}
92
93static void pci_dec_21154_device_realize(DeviceState *dev, Error **errp)
94{
95 PCIHostState *phb;
96 SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
97
98 phb = PCI_HOST_BRIDGE(dev);
99
100 memory_region_init_io(&phb->conf_mem, OBJECT(dev), &pci_host_conf_le_ops,
101 dev, "pci-conf-idx", 0x1000);
102 memory_region_init_io(&phb->data_mem, OBJECT(dev), &pci_host_data_le_ops,
103 dev, "pci-data-idx", 0x1000);
104 sysbus_init_mmio(sbd, &phb->conf_mem);
105 sysbus_init_mmio(sbd, &phb->data_mem);
106}
107
108static void dec_21154_pci_host_realize(PCIDevice *d, Error **errp)
109{
110
111}
112
113static void dec_21154_pci_host_class_init(ObjectClass *klass, void *data)
114{
115 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
116 DeviceClass *dc = DEVICE_CLASS(klass);
117
118 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
119 k->realize = dec_21154_pci_host_realize;
120 k->vendor_id = PCI_VENDOR_ID_DEC;
121 k->device_id = PCI_DEVICE_ID_DEC_21154;
122 k->revision = 0x02;
123 k->class_id = PCI_CLASS_BRIDGE_PCI;
124 k->is_bridge = true;
125
126
127
128
129 dc->user_creatable = false;
130}
131
132static const TypeInfo dec_21154_pci_host_info = {
133 .name = "dec-21154",
134 .parent = TYPE_PCI_DEVICE,
135 .instance_size = sizeof(PCIDevice),
136 .class_init = dec_21154_pci_host_class_init,
137 .interfaces = (InterfaceInfo[]) {
138 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
139 { },
140 },
141};
142
143static void pci_dec_21154_device_class_init(ObjectClass *klass, void *data)
144{
145 DeviceClass *dc = DEVICE_CLASS(klass);
146
147 dc->realize = pci_dec_21154_device_realize;
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