2 * SuperH on-chip PCIC emulation.
4 * Copyright (c) 2008 Takashi YOSHII
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29 #include "exec-memory.h"
31 typedef struct SHPCIState
{
36 MemoryRegion memconfig_p4
;
37 MemoryRegion memconfig_a7
;
44 static void sh_pci_reg_write (void *p
, target_phys_addr_t addr
, uint64_t val
,
50 cpu_to_le32w((uint32_t*)(pcic
->dev
->config
+ addr
), val
);
56 pcic
->mbr
= val
& 0xff000001;
59 if ((val
& 0xfffc0000) != (pcic
->iobr
& 0xfffc0000)) {
60 memory_region_del_subregion(get_system_memory(), &pcic
->isa
);
61 pcic
->iobr
= val
& 0xfffc0001;
62 memory_region_add_subregion(get_system_memory(),
63 pcic
->iobr
& 0xfffc0000, &pcic
->isa
);
67 pci_data_write(pcic
->bus
, pcic
->par
, val
, 4);
72 static uint64_t sh_pci_reg_read (void *p
, target_phys_addr_t addr
,
78 return le32_to_cpup((uint32_t*)(pcic
->dev
->config
+ addr
));
86 return pci_data_read(pcic
->bus
, pcic
->par
, 4);
91 static const MemoryRegionOps sh_pci_reg_ops
= {
92 .read
= sh_pci_reg_read
,
93 .write
= sh_pci_reg_write
,
94 .endianness
= DEVICE_NATIVE_ENDIAN
,
101 static int sh_pci_map_irq(PCIDevice
*d
, int irq_num
)
103 return (d
->devfn
>> 3);
106 static void sh_pci_set_irq(void *opaque
, int irq_num
, int level
)
108 qemu_irq
*pic
= opaque
;
110 qemu_set_irq(pic
[irq_num
], level
);
113 static int sh_pci_device_init(SysBusDevice
*dev
)
118 s
= FROM_SYSBUS(SHPCIState
, dev
);
119 for (i
= 0; i
< 4; i
++) {
120 sysbus_init_irq(dev
, &s
->irq
[i
]);
122 s
->bus
= pci_register_bus(&s
->busdev
.qdev
, "pci",
123 sh_pci_set_irq
, sh_pci_map_irq
,
128 memory_region_init_io(&s
->memconfig_p4
, &sh_pci_reg_ops
, s
,
130 memory_region_init_alias(&s
->memconfig_a7
, "sh_pci.2", &s
->memconfig_p4
,
132 isa_mmio_setup(&s
->isa
, 0x40000);
133 sysbus_init_mmio(dev
, &s
->memconfig_p4
);
134 sysbus_init_mmio(dev
, &s
->memconfig_a7
);
135 s
->iobr
= 0xfe240000;
136 memory_region_add_subregion(get_system_memory(), s
->iobr
, &s
->isa
);
138 s
->dev
= pci_create_simple(s
->bus
, PCI_DEVFN(0, 0), "sh_pci_host");
142 static int sh_pci_host_init(PCIDevice
*d
)
144 pci_set_word(d
->config
+ PCI_COMMAND
, PCI_COMMAND_WAIT
);
145 pci_set_word(d
->config
+ PCI_STATUS
, PCI_STATUS_CAP_LIST
|
146 PCI_STATUS_FAST_BACK
| PCI_STATUS_DEVSEL_MEDIUM
);
150 static void sh_pci_host_class_init(ObjectClass
*klass
, void *data
)
152 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
154 k
->init
= sh_pci_host_init
;
155 k
->vendor_id
= PCI_VENDOR_ID_HITACHI
;
156 k
->device_id
= PCI_DEVICE_ID_HITACHI_SH7751R
;
159 static TypeInfo sh_pci_host_info
= {
160 .name
= "sh_pci_host",
161 .parent
= TYPE_PCI_DEVICE
,
162 .instance_size
= sizeof(PCIDevice
),
163 .class_init
= sh_pci_host_class_init
,
166 static void sh_pci_device_class_init(ObjectClass
*klass
, void *data
)
168 SysBusDeviceClass
*sdc
= SYS_BUS_DEVICE_CLASS(klass
);
170 sdc
->init
= sh_pci_device_init
;
173 static TypeInfo sh_pci_device_info
= {
175 .parent
= TYPE_SYS_BUS_DEVICE
,
176 .instance_size
= sizeof(SHPCIState
),
177 .class_init
= sh_pci_device_class_init
,
180 static void sh_pci_register_types(void)
182 type_register_static(&sh_pci_device_info
);
183 type_register_static(&sh_pci_host_info
);
186 type_init(sh_pci_register_types
)