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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 k->realize = dec_pci_bridge_realize;
66 k->exit = pci_bridge_exitfn;
67 k->vendor_id = PCI_VENDOR_ID_DEC;
68 k->device_id = PCI_DEVICE_ID_DEC_21154;
69 k->config_write = pci_bridge_write_config;
70 k->is_bridge = 1;
71 dc->desc = "DEC 21154 PCI-PCI bridge";
72 dc->reset = pci_bridge_reset;
73 dc->vmsd = &vmstate_pci_device;
74}
75
76static const TypeInfo dec_21154_pci_bridge_info = {
77 .name = "dec-21154-p2p-bridge",
78 .parent = TYPE_PCI_BRIDGE,
79 .instance_size = sizeof(PCIBridge),
80 .class_init = dec_21154_pci_bridge_class_init,
81};
82
83PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
84{
85 PCIDevice *dev;
86 PCIBridge *br;
87
88 dev = pci_create_multifunction(parent_bus, devfn, false,
89 "dec-21154-p2p-bridge");
90 br = PCI_BRIDGE(dev);
91 pci_bridge_map_irq(br, "DEC 21154 PCI-PCI bridge", dec_map_irq);
92 qdev_init_nofail(&dev->qdev);
93 return pci_bridge_get_sec_bus(br);
94}
95
96static int pci_dec_21154_device_init(SysBusDevice *dev)
97{
98 PCIHostState *phb;
99
100 phb = PCI_HOST_BRIDGE(dev);
101
102 memory_region_init_io(&phb->conf_mem, OBJECT(dev), &pci_host_conf_le_ops,
103 dev, "pci-conf-idx", 0x1000);
104 memory_region_init_io(&phb->data_mem, OBJECT(dev), &pci_host_data_le_ops,
105 dev, "pci-data-idx", 0x1000);
106 sysbus_init_mmio(dev, &phb->conf_mem);
107 sysbus_init_mmio(dev, &phb->data_mem);
108 return 0;
109}
110
111static void dec_21154_pci_host_realize(PCIDevice *d, Error **errp)
112{
113
114}
115
116static void dec_21154_pci_host_class_init(ObjectClass *klass, void *data)
117{
118 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
119 DeviceClass *dc = DEVICE_CLASS(klass);
120
121 k->realize = dec_21154_pci_host_realize;
122 k->vendor_id = PCI_VENDOR_ID_DEC;
123 k->device_id = PCI_DEVICE_ID_DEC_21154;
124 k->revision = 0x02;
125 k->class_id = PCI_CLASS_BRIDGE_PCI;
126 k->is_bridge = 1;
127
128
129
130
131 dc->cannot_instantiate_with_device_add_yet = true;
132}
133
134static const TypeInfo dec_21154_pci_host_info = {
135 .name = "dec-21154",
136 .parent = TYPE_PCI_DEVICE,
137 .instance_size = sizeof(PCIDevice),
138 .class_init = dec_21154_pci_host_class_init,
139};
140
141static void pci_dec_21154_device_class_init(ObjectClass *klass, void *data)
142{
143 SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
144
145 sdc->init = pci_dec_21154_device_init;
146}
147
148static const TypeInfo pci_dec_21154_device_info = {
149 .name = TYPE_DEC_21154,
150 .parent = TYPE_PCI_HOST_BRIDGE,
151 .instance_size = sizeof(DECState),
152 .class_init = pci_dec_21154_device_class_init,
153};
154
155static void dec_register_types(void)
156{
157 type_register_static(&pci_dec_21154_device_info);
158 type_register_static(&dec_21154_pci_host_info);
159 type_register_static(&dec_21154_pci_bridge_info);
160}
161
162type_init(dec_register_types)
163