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 void dec_21154_pci_bridge_class_init(ObjectClass *klass, void *data)
55 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
57 k->init = pci_bridge_initfn;
58 k->exit = pci_bridge_exitfn;
59 k->vendor_id = PCI_VENDOR_ID_DEC;
60 k->device_id = PCI_DEVICE_ID_DEC_21154;
61 k->config_write = pci_bridge_write_config;
65 static DeviceInfo dec_21154_pci_bridge_info = {
66 .name = "dec-21154-p2p-bridge",
67 .desc = "DEC 21154 PCI-PCI bridge",
68 .size = sizeof(PCIBridge),
69 .vmsd = &vmstate_pci_device,
70 .reset = pci_bridge_reset,
71 .class_init = dec_21154_pci_bridge_class_init,
74 PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
79 dev = pci_create_multifunction(parent_bus, devfn, false,
80 "dec-21154-p2p-bridge");
81 br = DO_UPCAST(PCIBridge, dev, dev);
82 pci_bridge_map_irq(br, "DEC 21154 PCI-PCI bridge", dec_map_irq);
83 qdev_init_nofail(&dev->qdev);
84 return pci_bridge_get_sec_bus(br);
87 static int pci_dec_21154_init_device(SysBusDevice *dev)
91 s = FROM_SYSBUS(DECState, dev);
93 memory_region_init_io(&s->host_state.conf_mem, &pci_host_conf_le_ops,
94 &s->host_state, "pci-conf-idx", 0x1000);
95 memory_region_init_io(&s->host_state.data_mem, &pci_host_data_le_ops,
96 &s->host_state, "pci-data-idx", 0x1000);
97 sysbus_init_mmio(dev, &s->host_state.conf_mem);
98 sysbus_init_mmio(dev, &s->host_state.data_mem);
102 static int dec_21154_pci_host_init(PCIDevice *d)
104 /* PCI2PCI bridge same values as PearPC - check this */
108 static void dec_21154_pci_host_class_init(ObjectClass *klass, void *data)
110 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
112 k->init = dec_21154_pci_host_init;
113 k->vendor_id = PCI_VENDOR_ID_DEC;
114 k->device_id = PCI_DEVICE_ID_DEC_21154;
116 k->class_id = PCI_CLASS_BRIDGE_PCI;
120 static DeviceInfo dec_21154_pci_host_info = {
122 .size = sizeof(PCIDevice),
123 .class_init = dec_21154_pci_host_class_init,
126 static void dec_register_devices(void)
128 sysbus_register_dev("dec-21154", sizeof(DECState),
129 pci_dec_21154_init_device);
131 pci_qdev_register(&dec_21154_pci_host_info);
132 pci_qdev_register(&dec_21154_pci_bridge_info);
135 device_init(dec_register_devices)