2
* QEMU DEC 21154 PCI bridge
4
* Copyright (c) 2006-2007 Fabrice Bellard
5
* Copyright (c) 2007 Jocelyn Mayer
7
* Permission is hereby granted, free of charge, to any person obtaining a copy
8
* of this software and associated documentation files (the "Software"), to deal
9
* in the Software without restriction, including without limitation the rights
10
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11
* copies of the Software, and to permit persons to whom the Software is
12
* furnished to do so, subject to the following conditions:
14
* The above copyright notice and this permission notice shall be included in
15
* all copies or substantial portions of the Software.
17
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27
#include "hw/sysbus.h"
28
#include "hw/pci/pci.h"
29
#include "hw/pci/pci_host.h"
30
#include "hw/pci/pci_bridge.h"
31
#include "hw/pci/pci_bus.h"
37
#define DEC_DPRINTF(fmt, ...) \
38
do { printf("DEC: " fmt , ## __VA_ARGS__); } while (0)
40
#define DEC_DPRINTF(fmt, ...)
43
#define DEC_21154(obj) OBJECT_CHECK(DECState, (obj), TYPE_DEC_21154)
45
typedef struct DECState {
46
PCIHostState parent_obj;
49
static int dec_map_irq(PCIDevice *pci_dev, int irq_num)
54
static int dec_pci_bridge_initfn(PCIDevice *pci_dev)
56
return pci_bridge_initfn(pci_dev, TYPE_PCI_BUS);
59
static void dec_21154_pci_bridge_class_init(ObjectClass *klass, void *data)
61
DeviceClass *dc = DEVICE_CLASS(klass);
62
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
64
k->init = dec_pci_bridge_initfn;
65
k->exit = pci_bridge_exitfn;
66
k->vendor_id = PCI_VENDOR_ID_DEC;
67
k->device_id = PCI_DEVICE_ID_DEC_21154;
68
k->config_write = pci_bridge_write_config;
70
dc->desc = "DEC 21154 PCI-PCI bridge";
71
dc->reset = pci_bridge_reset;
72
dc->vmsd = &vmstate_pci_device;
75
static const TypeInfo dec_21154_pci_bridge_info = {
76
.name = "dec-21154-p2p-bridge",
77
.parent = TYPE_PCI_DEVICE,
78
.instance_size = sizeof(PCIBridge),
79
.class_init = dec_21154_pci_bridge_class_init,
82
PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
87
dev = pci_create_multifunction(parent_bus, devfn, false,
88
"dec-21154-p2p-bridge");
89
br = DO_UPCAST(PCIBridge, dev, dev);
90
pci_bridge_map_irq(br, "DEC 21154 PCI-PCI bridge", dec_map_irq);
91
qdev_init_nofail(&dev->qdev);
92
return pci_bridge_get_sec_bus(br);
95
static int pci_dec_21154_device_init(SysBusDevice *dev)
99
phb = PCI_HOST_BRIDGE(dev);
101
memory_region_init_io(&phb->conf_mem, &pci_host_conf_le_ops,
102
dev, "pci-conf-idx", 0x1000);
103
memory_region_init_io(&phb->data_mem, &pci_host_data_le_ops,
104
dev, "pci-data-idx", 0x1000);
105
sysbus_init_mmio(dev, &phb->conf_mem);
106
sysbus_init_mmio(dev, &phb->data_mem);
110
static int dec_21154_pci_host_init(PCIDevice *d)
112
/* PCI2PCI bridge same values as PearPC - check this */
116
static void dec_21154_pci_host_class_init(ObjectClass *klass, void *data)
118
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
120
k->init = dec_21154_pci_host_init;
121
k->vendor_id = PCI_VENDOR_ID_DEC;
122
k->device_id = PCI_DEVICE_ID_DEC_21154;
124
k->class_id = PCI_CLASS_BRIDGE_PCI;
128
static const TypeInfo dec_21154_pci_host_info = {
130
.parent = TYPE_PCI_DEVICE,
131
.instance_size = sizeof(PCIDevice),
132
.class_init = dec_21154_pci_host_class_init,
135
static void pci_dec_21154_device_class_init(ObjectClass *klass, void *data)
137
SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
139
sdc->init = pci_dec_21154_device_init;
142
static const TypeInfo pci_dec_21154_device_info = {
143
.name = TYPE_DEC_21154,
144
.parent = TYPE_PCI_HOST_BRIDGE,
145
.instance_size = sizeof(DECState),
146
.class_init = pci_dec_21154_device_class_init,
149
static void dec_register_types(void)
151
type_register_static(&pci_dec_21154_device_info);
152
type_register_static(&dec_21154_pci_host_info);
153
type_register_static(&dec_21154_pci_bridge_info);
156
type_init(dec_register_types)