2 * QEMU Grackle PCI host (heathrow OldWorld PowerMac)
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
32 //#define DEBUG_GRACKLE
35 #define GRACKLE_DPRINTF(fmt, ...) \
36 do { printf("GRACKLE: " fmt , ## __VA_ARGS__); } while (0)
38 #define GRACKLE_DPRINTF(fmt, ...)
41 typedef struct GrackleState
{
43 PCIHostState host_state
;
46 /* Don't know if this matches real hardware, but it agrees with OHW. */
47 static int pci_grackle_map_irq(PCIDevice
*pci_dev
, int irq_num
)
49 return (irq_num
+ (pci_dev
->devfn
>> 3)) & 3;
52 static void pci_grackle_set_irq(void *opaque
, int irq_num
, int level
)
54 qemu_irq
*pic
= opaque
;
56 GRACKLE_DPRINTF("set_irq num %d level %d\n", irq_num
, level
);
57 qemu_set_irq(pic
[irq_num
+ 0x15], level
);
60 static void pci_grackle_save(QEMUFile
* f
, void *opaque
)
62 PCIDevice
*d
= opaque
;
64 pci_device_save(d
, f
);
67 static int pci_grackle_load(QEMUFile
* f
, void *opaque
, int version_id
)
69 PCIDevice
*d
= opaque
;
74 return pci_device_load(d
, f
);
77 static void pci_grackle_reset(void *opaque
)
81 PCIBus
*pci_grackle_init(uint32_t base
, qemu_irq
*pic
)
87 dev
= qdev_create(NULL
, "grackle");
88 qdev_init_nofail(dev
);
89 s
= sysbus_from_qdev(dev
);
90 d
= FROM_SYSBUS(GrackleState
, s
);
91 d
->host_state
.bus
= pci_register_bus(&d
->busdev
.qdev
, "pci",
96 pci_create_simple(d
->host_state
.bus
, 0, "grackle");
98 sysbus_mmio_map(s
, 0, base
);
99 sysbus_mmio_map(s
, 1, base
+ 0x00200000);
101 return d
->host_state
.bus
;
104 static int pci_grackle_init_device(SysBusDevice
*dev
)
107 int pci_mem_config
, pci_mem_data
;
109 s
= FROM_SYSBUS(GrackleState
, dev
);
111 pci_mem_config
= pci_host_conf_register_mmio(&s
->host_state
,
112 DEVICE_LITTLE_ENDIAN
);
113 pci_mem_data
= pci_host_data_register_mmio(&s
->host_state
,
114 DEVICE_LITTLE_ENDIAN
);
115 sysbus_init_mmio(dev
, 0x1000, pci_mem_config
);
116 sysbus_init_mmio(dev
, 0x1000, pci_mem_data
);
118 register_savevm(&dev
->qdev
, "grackle", 0, 1, pci_grackle_save
,
119 pci_grackle_load
, &s
->host_state
);
120 qemu_register_reset(pci_grackle_reset
, &s
->host_state
);
124 static int grackle_pci_host_init(PCIDevice
*d
)
126 pci_config_set_vendor_id(d
->config
, PCI_VENDOR_ID_MOTOROLA
);
127 pci_config_set_device_id(d
->config
, PCI_DEVICE_ID_MOTOROLA_MPC106
);
128 d
->config
[0x08] = 0x00; // revision
129 d
->config
[0x09] = 0x01;
130 pci_config_set_class(d
->config
, PCI_CLASS_BRIDGE_HOST
);
134 static PCIDeviceInfo grackle_pci_host_info
= {
135 .qdev
.name
= "grackle",
136 .qdev
.size
= sizeof(PCIDevice
),
137 .init
= grackle_pci_host_init
,
140 static void grackle_register_devices(void)
142 sysbus_register_dev("grackle", sizeof(GrackleState
),
143 pci_grackle_init_device
);
144 pci_qdev_register(&grackle_pci_host_info
);
147 device_init(grackle_register_devices
)