PPC: e500mc: add missing IVORs to bitmap
[qemu.git] / hw / dec_pci.c
1 /*
2 * QEMU DEC 21154 PCI bridge
3 *
4 * Copyright (c) 2006-2007 Fabrice Bellard
5 * Copyright (c) 2007 Jocelyn Mayer
6 *
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:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
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
23 * THE SOFTWARE.
24 */
25
26 #include "dec_pci.h"
27 #include "sysbus.h"
28 #include "pci.h"
29 #include "pci_host.h"
30 #include "pci_bridge.h"
31 #include "pci_internals.h"
32
33 /* debug DEC */
34 //#define DEBUG_DEC
35
36 #ifdef DEBUG_DEC
37 #define DEC_DPRINTF(fmt, ...) \
38 do { printf("DEC: " fmt , ## __VA_ARGS__); } while (0)
39 #else
40 #define DEC_DPRINTF(fmt, ...)
41 #endif
42
43 typedef struct DECState {
44 SysBusDevice busdev;
45 PCIHostState host_state;
46 } DECState;
47
48 static int dec_map_irq(PCIDevice *pci_dev, int irq_num)
49 {
50 return irq_num;
51 }
52
53 static void dec_21154_pci_bridge_class_init(ObjectClass *klass, void *data)
54 {
55 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
56
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;
62 k->is_bridge = 1;
63 }
64
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,
72 };
73
74 PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
75 {
76 PCIDevice *dev;
77 PCIBridge *br;
78
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);
85 }
86
87 static int pci_dec_21154_device_init(SysBusDevice *dev)
88 {
89 DECState *s;
90
91 s = FROM_SYSBUS(DECState, dev);
92
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);
99 return 0;
100 }
101
102 static int dec_21154_pci_host_init(PCIDevice *d)
103 {
104 /* PCI2PCI bridge same values as PearPC - check this */
105 return 0;
106 }
107
108 static void dec_21154_pci_host_class_init(ObjectClass *klass, void *data)
109 {
110 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
111
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;
115 k->revision = 0x02;
116 k->class_id = PCI_CLASS_BRIDGE_PCI;
117 k->is_bridge = 1;
118 }
119
120 static DeviceInfo dec_21154_pci_host_info = {
121 .name = "dec-21154",
122 .size = sizeof(PCIDevice),
123 .class_init = dec_21154_pci_host_class_init,
124 };
125
126 static void pci_dec_21154_device_class_init(ObjectClass *klass, void *data)
127 {
128 SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
129
130 sdc->init = pci_dec_21154_device_init;
131 }
132
133 static DeviceInfo pci_dec_21154_device_info = {
134 .name = "dec-21154-sysbus",
135 .size = sizeof(DECState),
136 .class_init = pci_dec_21154_device_class_init,
137 };
138
139 static void dec_register_devices(void)
140 {
141 sysbus_qdev_register(&pci_dec_21154_device_info);
142 pci_qdev_register(&dec_21154_pci_host_info);
143 pci_qdev_register(&dec_21154_pci_bridge_info);
144 }
145
146 device_init(dec_register_devices)