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
30 #include "pci_bridge.h"
31 #include "pci_internals.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 host_state
;
49 static int dec_map_irq(PCIDevice
*pci_dev
, int irq_num
)
54 static void dec_21154_pci_bridge_class_init(ObjectClass
*klass
, void *data
)
56 DeviceClass
*dc
= DEVICE_CLASS(klass
);
57 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
59 k
->init
= pci_bridge_initfn
;
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
;
65 dc
->desc
= "DEC 21154 PCI-PCI bridge";
66 dc
->reset
= pci_bridge_reset
;
67 dc
->vmsd
= &vmstate_pci_device
;
70 static const TypeInfo dec_21154_pci_bridge_info
= {
71 .name
= "dec-21154-p2p-bridge",
72 .parent
= TYPE_PCI_DEVICE
,
73 .instance_size
= sizeof(PCIBridge
),
74 .class_init
= dec_21154_pci_bridge_class_init
,
77 PCIBus
*pci_dec_21154_init(PCIBus
*parent_bus
, int devfn
)
82 dev
= pci_create_multifunction(parent_bus
, devfn
, false,
83 "dec-21154-p2p-bridge");
84 br
= DO_UPCAST(PCIBridge
, dev
, dev
);
85 pci_bridge_map_irq(br
, "DEC 21154 PCI-PCI bridge", dec_map_irq
);
86 qdev_init_nofail(&dev
->qdev
);
87 return pci_bridge_get_sec_bus(br
);
90 static int pci_dec_21154_device_init(SysBusDevice
*dev
)
94 phb
= FROM_SYSBUS(PCIHostState
, dev
);
96 memory_region_init_io(&phb
->conf_mem
, &pci_host_conf_le_ops
,
97 dev
, "pci-conf-idx", 0x1000);
98 memory_region_init_io(&phb
->data_mem
, &pci_host_data_le_ops
,
99 dev
, "pci-data-idx", 0x1000);
100 sysbus_init_mmio(dev
, &phb
->conf_mem
);
101 sysbus_init_mmio(dev
, &phb
->data_mem
);
105 static int dec_21154_pci_host_init(PCIDevice
*d
)
107 /* PCI2PCI bridge same values as PearPC - check this */
111 static void dec_21154_pci_host_class_init(ObjectClass
*klass
, void *data
)
113 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
115 k
->init
= dec_21154_pci_host_init
;
116 k
->vendor_id
= PCI_VENDOR_ID_DEC
;
117 k
->device_id
= PCI_DEVICE_ID_DEC_21154
;
119 k
->class_id
= PCI_CLASS_BRIDGE_PCI
;
123 static const TypeInfo dec_21154_pci_host_info
= {
125 .parent
= TYPE_PCI_DEVICE
,
126 .instance_size
= sizeof(PCIDevice
),
127 .class_init
= dec_21154_pci_host_class_init
,
130 static void pci_dec_21154_device_class_init(ObjectClass
*klass
, void *data
)
132 SysBusDeviceClass
*sdc
= SYS_BUS_DEVICE_CLASS(klass
);
134 sdc
->init
= pci_dec_21154_device_init
;
137 static const TypeInfo pci_dec_21154_device_info
= {
138 .name
= TYPE_DEC_21154
,
139 .parent
= TYPE_SYS_BUS_DEVICE
,
140 .instance_size
= sizeof(DECState
),
141 .class_init
= pci_dec_21154_device_class_init
,
144 static void dec_register_types(void)
146 type_register_static(&pci_dec_21154_device_info
);
147 type_register_static(&dec_21154_pci_host_info
);
148 type_register_static(&dec_21154_pci_bridge_info
);
151 type_init(dec_register_types
)