1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* QEMU DEC 21154 PCI bridge
*
* Copyright (c) 2006-2007 Fabrice Bellard
* Copyright (c) 2007 Jocelyn Mayer
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "dec.h"
#include "hw/sysbus.h"
#include "hw/pci/pci.h"
#include "hw/pci/pci_host.h"
#include "hw/pci/pci_bridge.h"
#include "hw/pci/pci_bus.h"
/* debug DEC */
//#define DEBUG_DEC
#ifdef DEBUG_DEC
#define DEC_DPRINTF(fmt, ...) \
do { printf("DEC: " fmt , ## __VA_ARGS__); } while (0)
#else
#define DEC_DPRINTF(fmt, ...)
#endif
#define DEC_21154(obj) OBJECT_CHECK(DECState, (obj), TYPE_DEC_21154)
typedef struct DECState {
PCIHostState parent_obj;
} DECState;
static int dec_map_irq(PCIDevice *pci_dev, int irq_num)
{
return irq_num;
}
static void dec_pci_bridge_realize(PCIDevice *pci_dev, Error **errp)
{
pci_bridge_initfn(pci_dev, TYPE_PCI_BUS);
}
static void dec_21154_pci_bridge_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
k->realize = dec_pci_bridge_realize;
k->exit = pci_bridge_exitfn;
k->vendor_id = PCI_VENDOR_ID_DEC;
k->device_id = PCI_DEVICE_ID_DEC_21154;
k->config_write = pci_bridge_write_config;
k->is_bridge = 1;
dc->desc = "DEC 21154 PCI-PCI bridge";
dc->reset = pci_bridge_reset;
dc->vmsd = &vmstate_pci_device;
}
static const TypeInfo dec_21154_pci_bridge_info = {
.name = "dec-21154-p2p-bridge",
.parent = TYPE_PCI_BRIDGE,
.instance_size = sizeof(PCIBridge),
.class_init = dec_21154_pci_bridge_class_init,
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
{ },
},
};
PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
{
PCIDevice *dev;
PCIBridge *br;
dev = pci_create_multifunction(parent_bus, devfn, false,
"dec-21154-p2p-bridge");
br = PCI_BRIDGE(dev);
pci_bridge_map_irq(br, "DEC 21154 PCI-PCI bridge", dec_map_irq);
qdev_init_nofail(&dev->qdev);
return pci_bridge_get_sec_bus(br);
}
static void pci_dec_21154_device_realize(DeviceState *dev, Error **errp)
{
PCIHostState *phb;
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
phb = PCI_HOST_BRIDGE(dev);
memory_region_init_io(&phb->conf_mem, OBJECT(dev), &pci_host_conf_le_ops,
dev, "pci-conf-idx", 0x1000);
memory_region_init_io(&phb->data_mem, OBJECT(dev), &pci_host_data_le_ops,
dev, "pci-data-idx", 0x1000);
sysbus_init_mmio(sbd, &phb->conf_mem);
sysbus_init_mmio(sbd, &phb->data_mem);
}
static void dec_21154_pci_host_realize(PCIDevice *d, Error **errp)
{
/* PCI2PCI bridge same values as PearPC - check this */
}
static void dec_21154_pci_host_class_init(ObjectClass *klass, void *data)
{
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
k->realize = dec_21154_pci_host_realize;
k->vendor_id = PCI_VENDOR_ID_DEC;
k->device_id = PCI_DEVICE_ID_DEC_21154;
k->revision = 0x02;
k->class_id = PCI_CLASS_BRIDGE_PCI;
k->is_bridge = 1;
/*
* PCI-facing part of the host bridge, not usable without the
* host-facing part, which can't be device_add'ed, yet.
*/
dc->user_creatable = false;
}
static const TypeInfo dec_21154_pci_host_info = {
.name = "dec-21154",
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(PCIDevice),
.class_init = dec_21154_pci_host_class_init,
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
{ },
},
};
static void pci_dec_21154_device_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = pci_dec_21154_device_realize;
}
static const TypeInfo pci_dec_21154_device_info = {
.name = TYPE_DEC_21154,
.parent = TYPE_PCI_HOST_BRIDGE,
.instance_size = sizeof(DECState),
.class_init = pci_dec_21154_device_class_init,
};
static void dec_register_types(void)
{
type_register_static(&pci_dec_21154_device_info);
type_register_static(&dec_21154_pci_host_info);
type_register_static(&dec_21154_pci_bridge_info);
}
type_init(dec_register_types)
|
