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
typedef struct DECState {
45
PCIHostState host_state;
48
static int dec_map_irq(PCIDevice *pci_dev, int irq_num)
53
static PCIDeviceInfo dec_21154_pci_bridge_info = {
54
.qdev.name = "dec-21154-p2p-bridge",
55
.qdev.desc = "DEC 21154 PCI-PCI bridge",
56
.qdev.size = sizeof(PCIBridge),
57
.qdev.vmsd = &vmstate_pci_device,
58
.qdev.reset = pci_bridge_reset,
59
.init = pci_bridge_initfn,
60
.exit = pci_bridge_exitfn,
61
.vendor_id = PCI_VENDOR_ID_DEC,
62
.device_id = PCI_DEVICE_ID_DEC_21154,
63
.config_write = pci_bridge_write_config,
67
PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
72
dev = pci_create_multifunction(parent_bus, devfn, false,
73
"dec-21154-p2p-bridge");
74
br = DO_UPCAST(PCIBridge, dev, dev);
75
pci_bridge_map_irq(br, "DEC 21154 PCI-PCI bridge", dec_map_irq);
76
qdev_init_nofail(&dev->qdev);
77
return pci_bridge_get_sec_bus(br);
80
static int pci_dec_21154_init_device(SysBusDevice *dev)
83
int pci_mem_config, pci_mem_data;
85
s = FROM_SYSBUS(DECState, dev);
87
pci_mem_config = pci_host_conf_register_mmio(&s->host_state,
88
DEVICE_LITTLE_ENDIAN);
89
pci_mem_data = pci_host_data_register_mmio(&s->host_state,
90
DEVICE_LITTLE_ENDIAN);
91
sysbus_init_mmio(dev, 0x1000, pci_mem_config);
92
sysbus_init_mmio(dev, 0x1000, pci_mem_data);
96
static int dec_21154_pci_host_init(PCIDevice *d)
98
/* PCI2PCI bridge same values as PearPC - check this */
102
static PCIDeviceInfo dec_21154_pci_host_info = {
103
.qdev.name = "dec-21154",
104
.qdev.size = sizeof(PCIDevice),
105
.init = dec_21154_pci_host_init,
106
.vendor_id = PCI_VENDOR_ID_DEC,
107
.device_id = PCI_DEVICE_ID_DEC_21154,
109
.class_id = PCI_CLASS_BRIDGE_PCI,
113
static void dec_register_devices(void)
115
sysbus_register_dev("dec-21154", sizeof(DECState),
116
pci_dec_21154_init_device);
117
pci_qdev_register(&dec_21154_pci_host_info);
118
pci_qdev_register(&dec_21154_pci_bridge_info);
121
device_init(dec_register_devices)