2 * QEMU Uninorth PCI host (for all Mac99 and newer machines)
4 * Copyright (c) 2006 Fabrice Bellard
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
25 #include "qemu/osdep.h"
27 #include "hw/qdev-properties.h"
28 #include "qemu/module.h"
29 #include "hw/pci/pci_device.h"
30 #include "hw/pci/pci_host.h"
31 #include "hw/pci-host/uninorth.h"
34 static int pci_unin_map_irq(PCIDevice
*pci_dev
, int irq_num
)
36 return (irq_num
+ (pci_dev
->devfn
>> 3)) & 3;
39 static void pci_unin_set_irq(void *opaque
, int irq_num
, int level
)
41 UNINHostState
*s
= opaque
;
43 trace_unin_set_irq(irq_num
, level
);
44 qemu_set_irq(s
->irqs
[irq_num
], level
);
47 static uint32_t unin_get_config_reg(uint32_t reg
, uint32_t addr
)
51 if (reg
& (1u << 31)) {
52 /* XXX OpenBIOS compatibility hack */
53 retval
= reg
| (addr
& 3);
56 retval
= (reg
& ~7u) | (addr
& 7);
60 /* Grab CFA0 style values */
61 slot
= ctz32(reg
& 0xfffff800);
63 slot
= -1; /* XXX: should this be 0? */
65 func
= PCI_FUNC(reg
>> 8);
67 /* ... and then convert them to x86 format */
69 retval
= (reg
& (0xff - 7)) | (addr
& 7);
71 retval
|= PCI_DEVFN(slot
, func
) << 8;
74 trace_unin_get_config_reg(reg
, addr
, retval
);
79 static void unin_data_write(void *opaque
, hwaddr addr
,
80 uint64_t val
, unsigned len
)
82 UNINHostState
*s
= opaque
;
83 PCIHostState
*phb
= PCI_HOST_BRIDGE(s
);
84 trace_unin_data_write(addr
, len
, val
);
85 pci_data_write(phb
->bus
,
86 unin_get_config_reg(phb
->config_reg
, addr
),
90 static uint64_t unin_data_read(void *opaque
, hwaddr addr
,
93 UNINHostState
*s
= opaque
;
94 PCIHostState
*phb
= PCI_HOST_BRIDGE(s
);
97 val
= pci_data_read(phb
->bus
,
98 unin_get_config_reg(phb
->config_reg
, addr
),
100 trace_unin_data_read(addr
, len
, val
);
104 static const MemoryRegionOps unin_data_ops
= {
105 .read
= unin_data_read
,
106 .write
= unin_data_write
,
107 .endianness
= DEVICE_LITTLE_ENDIAN
,
110 static char *pci_unin_main_ofw_unit_address(const SysBusDevice
*dev
)
112 UNINHostState
*s
= UNI_NORTH_PCI_HOST_BRIDGE(dev
);
114 return g_strdup_printf("%x", s
->ofw_addr
);
117 static void pci_unin_main_realize(DeviceState
*dev
, Error
**errp
)
119 UNINHostState
*s
= UNI_NORTH_PCI_HOST_BRIDGE(dev
);
120 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
122 h
->bus
= pci_register_root_bus(dev
, NULL
,
123 pci_unin_set_irq
, pci_unin_map_irq
,
127 PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS
);
129 pci_create_simple(h
->bus
, PCI_DEVFN(11, 0), "uni-north-pci");
132 * DEC 21154 bridge was unused for many years, this comment is
133 * a placeholder for whoever wishes to resurrect it
137 static void pci_unin_main_init(Object
*obj
)
139 UNINHostState
*s
= UNI_NORTH_PCI_HOST_BRIDGE(obj
);
140 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
141 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
143 /* Use values found on a real PowerMac */
144 /* Uninorth main bus */
145 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
146 obj
, "unin-pci-conf-idx", 0x1000);
147 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &unin_data_ops
, obj
,
148 "unin-pci-conf-data", 0x1000);
150 memory_region_init(&s
->pci_mmio
, OBJECT(s
), "unin-pci-mmio",
152 memory_region_init_io(&s
->pci_io
, OBJECT(s
), &unassigned_io_ops
, obj
,
153 "unin-pci-isa-mmio", 0x00800000);
155 memory_region_init_alias(&s
->pci_hole
, OBJECT(s
),
156 "unin-pci-hole", &s
->pci_mmio
,
157 0x80000000ULL
, 0x10000000ULL
);
159 sysbus_init_mmio(sbd
, &h
->conf_mem
);
160 sysbus_init_mmio(sbd
, &h
->data_mem
);
161 sysbus_init_mmio(sbd
, &s
->pci_hole
);
162 sysbus_init_mmio(sbd
, &s
->pci_io
);
164 qdev_init_gpio_out(DEVICE(obj
), s
->irqs
, ARRAY_SIZE(s
->irqs
));
167 static void pci_u3_agp_realize(DeviceState
*dev
, Error
**errp
)
169 UNINHostState
*s
= U3_AGP_HOST_BRIDGE(dev
);
170 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
172 h
->bus
= pci_register_root_bus(dev
, NULL
,
173 pci_unin_set_irq
, pci_unin_map_irq
,
177 PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS
);
179 pci_create_simple(h
->bus
, PCI_DEVFN(11, 0), "u3-agp");
182 static void pci_u3_agp_init(Object
*obj
)
184 UNINHostState
*s
= U3_AGP_HOST_BRIDGE(obj
);
185 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
186 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
188 /* Uninorth U3 AGP bus */
189 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
190 obj
, "unin-pci-conf-idx", 0x1000);
191 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &unin_data_ops
, obj
,
192 "unin-pci-conf-data", 0x1000);
194 memory_region_init(&s
->pci_mmio
, OBJECT(s
), "unin-pci-mmio",
196 memory_region_init_io(&s
->pci_io
, OBJECT(s
), &unassigned_io_ops
, obj
,
197 "unin-pci-isa-mmio", 0x00800000);
199 memory_region_init_alias(&s
->pci_hole
, OBJECT(s
),
200 "unin-pci-hole", &s
->pci_mmio
,
201 0x80000000ULL
, 0x70000000ULL
);
203 sysbus_init_mmio(sbd
, &h
->conf_mem
);
204 sysbus_init_mmio(sbd
, &h
->data_mem
);
205 sysbus_init_mmio(sbd
, &s
->pci_hole
);
206 sysbus_init_mmio(sbd
, &s
->pci_io
);
208 qdev_init_gpio_out(DEVICE(obj
), s
->irqs
, ARRAY_SIZE(s
->irqs
));
211 static void pci_unin_agp_realize(DeviceState
*dev
, Error
**errp
)
213 UNINHostState
*s
= UNI_NORTH_AGP_HOST_BRIDGE(dev
);
214 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
216 h
->bus
= pci_register_root_bus(dev
, NULL
,
217 pci_unin_set_irq
, pci_unin_map_irq
,
221 PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS
);
223 pci_create_simple(h
->bus
, PCI_DEVFN(11, 0), "uni-north-agp");
226 static void pci_unin_agp_init(Object
*obj
)
228 UNINHostState
*s
= UNI_NORTH_AGP_HOST_BRIDGE(obj
);
229 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
230 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
232 /* Uninorth AGP bus */
233 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
234 obj
, "unin-agp-conf-idx", 0x1000);
235 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &pci_host_data_le_ops
,
236 obj
, "unin-agp-conf-data", 0x1000);
238 sysbus_init_mmio(sbd
, &h
->conf_mem
);
239 sysbus_init_mmio(sbd
, &h
->data_mem
);
241 qdev_init_gpio_out(DEVICE(obj
), s
->irqs
, ARRAY_SIZE(s
->irqs
));
244 static void pci_unin_internal_realize(DeviceState
*dev
, Error
**errp
)
246 UNINHostState
*s
= UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE(dev
);
247 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
249 h
->bus
= pci_register_root_bus(dev
, NULL
,
250 pci_unin_set_irq
, pci_unin_map_irq
,
254 PCI_DEVFN(14, 0), 4, TYPE_PCI_BUS
);
256 pci_create_simple(h
->bus
, PCI_DEVFN(14, 0), "uni-north-internal-pci");
259 static void pci_unin_internal_init(Object
*obj
)
261 UNINHostState
*s
= UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE(obj
);
262 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
263 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
265 /* Uninorth internal bus */
266 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
267 obj
, "unin-pci-conf-idx", 0x1000);
268 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &pci_host_data_le_ops
,
269 obj
, "unin-pci-conf-data", 0x1000);
271 sysbus_init_mmio(sbd
, &h
->conf_mem
);
272 sysbus_init_mmio(sbd
, &h
->data_mem
);
274 qdev_init_gpio_out(DEVICE(obj
), s
->irqs
, ARRAY_SIZE(s
->irqs
));
277 static void unin_main_pci_host_realize(PCIDevice
*d
, Error
**errp
)
279 d
->config
[PCI_CACHE_LINE_SIZE
] = 0x08;
280 d
->config
[PCI_LATENCY_TIMER
] = 0x10;
281 d
->config
[PCI_CAPABILITY_LIST
] = 0x00;
284 * Set kMacRISCPCIAddressSelect (0x48) register to indicate PCI
285 * memory space with base 0x80000000, size 0x10000000 for Apple's
286 * AppleMacRiscPCI driver
288 d
->config
[0x48] = 0x0;
289 d
->config
[0x49] = 0x0;
290 d
->config
[0x4a] = 0x0;
291 d
->config
[0x4b] = 0x1;
294 static void unin_agp_pci_host_realize(PCIDevice
*d
, Error
**errp
)
296 d
->config
[PCI_CACHE_LINE_SIZE
] = 0x08;
297 d
->config
[PCI_LATENCY_TIMER
] = 0x10;
298 /* d->config[PCI_CAPABILITY_LIST] = 0x80; */
301 static void u3_agp_pci_host_realize(PCIDevice
*d
, Error
**errp
)
303 d
->config
[PCI_CACHE_LINE_SIZE
] = 0x08;
304 d
->config
[PCI_LATENCY_TIMER
] = 0x10;
307 static void unin_internal_pci_host_realize(PCIDevice
*d
, Error
**errp
)
309 d
->config
[PCI_CACHE_LINE_SIZE
] = 0x08;
310 d
->config
[PCI_LATENCY_TIMER
] = 0x10;
311 d
->config
[PCI_CAPABILITY_LIST
] = 0x00;
314 static void unin_main_pci_host_class_init(ObjectClass
*klass
, void *data
)
316 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
317 DeviceClass
*dc
= DEVICE_CLASS(klass
);
319 k
->realize
= unin_main_pci_host_realize
;
320 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
321 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_PCI
;
323 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
325 * PCI-facing part of the host bridge, not usable without the
326 * host-facing part, which can't be device_add'ed, yet.
328 dc
->user_creatable
= false;
331 static const TypeInfo unin_main_pci_host_info
= {
332 .name
= "uni-north-pci",
333 .parent
= TYPE_PCI_DEVICE
,
334 .instance_size
= sizeof(PCIDevice
),
335 .class_init
= unin_main_pci_host_class_init
,
336 .interfaces
= (InterfaceInfo
[]) {
337 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
342 static void u3_agp_pci_host_class_init(ObjectClass
*klass
, void *data
)
344 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
345 DeviceClass
*dc
= DEVICE_CLASS(klass
);
347 k
->realize
= u3_agp_pci_host_realize
;
348 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
349 k
->device_id
= PCI_DEVICE_ID_APPLE_U3_AGP
;
351 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
353 * PCI-facing part of the host bridge, not usable without the
354 * host-facing part, which can't be device_add'ed, yet.
356 dc
->user_creatable
= false;
359 static const TypeInfo u3_agp_pci_host_info
= {
361 .parent
= TYPE_PCI_DEVICE
,
362 .instance_size
= sizeof(PCIDevice
),
363 .class_init
= u3_agp_pci_host_class_init
,
364 .interfaces
= (InterfaceInfo
[]) {
365 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
370 static void unin_agp_pci_host_class_init(ObjectClass
*klass
, void *data
)
372 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
373 DeviceClass
*dc
= DEVICE_CLASS(klass
);
375 k
->realize
= unin_agp_pci_host_realize
;
376 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
377 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_AGP
;
379 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
381 * PCI-facing part of the host bridge, not usable without the
382 * host-facing part, which can't be device_add'ed, yet.
384 dc
->user_creatable
= false;
387 static const TypeInfo unin_agp_pci_host_info
= {
388 .name
= "uni-north-agp",
389 .parent
= TYPE_PCI_DEVICE
,
390 .instance_size
= sizeof(PCIDevice
),
391 .class_init
= unin_agp_pci_host_class_init
,
392 .interfaces
= (InterfaceInfo
[]) {
393 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
398 static void unin_internal_pci_host_class_init(ObjectClass
*klass
, void *data
)
400 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
401 DeviceClass
*dc
= DEVICE_CLASS(klass
);
403 k
->realize
= unin_internal_pci_host_realize
;
404 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
405 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_I_PCI
;
407 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
409 * PCI-facing part of the host bridge, not usable without the
410 * host-facing part, which can't be device_add'ed, yet.
412 dc
->user_creatable
= false;
415 static const TypeInfo unin_internal_pci_host_info
= {
416 .name
= "uni-north-internal-pci",
417 .parent
= TYPE_PCI_DEVICE
,
418 .instance_size
= sizeof(PCIDevice
),
419 .class_init
= unin_internal_pci_host_class_init
,
420 .interfaces
= (InterfaceInfo
[]) {
421 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
426 static Property pci_unin_main_pci_host_props
[] = {
427 DEFINE_PROP_UINT32("ofw-addr", UNINHostState
, ofw_addr
, -1),
428 DEFINE_PROP_END_OF_LIST()
431 static void pci_unin_main_class_init(ObjectClass
*klass
, void *data
)
433 DeviceClass
*dc
= DEVICE_CLASS(klass
);
434 SysBusDeviceClass
*sbc
= SYS_BUS_DEVICE_CLASS(klass
);
436 dc
->realize
= pci_unin_main_realize
;
437 device_class_set_props(dc
, pci_unin_main_pci_host_props
);
438 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
440 sbc
->explicit_ofw_unit_address
= pci_unin_main_ofw_unit_address
;
443 static const TypeInfo pci_unin_main_info
= {
444 .name
= TYPE_UNI_NORTH_PCI_HOST_BRIDGE
,
445 .parent
= TYPE_PCI_HOST_BRIDGE
,
446 .instance_size
= sizeof(UNINHostState
),
447 .instance_init
= pci_unin_main_init
,
448 .class_init
= pci_unin_main_class_init
,
451 static void pci_u3_agp_class_init(ObjectClass
*klass
, void *data
)
453 DeviceClass
*dc
= DEVICE_CLASS(klass
);
455 dc
->realize
= pci_u3_agp_realize
;
456 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
459 static const TypeInfo pci_u3_agp_info
= {
460 .name
= TYPE_U3_AGP_HOST_BRIDGE
,
461 .parent
= TYPE_PCI_HOST_BRIDGE
,
462 .instance_size
= sizeof(UNINHostState
),
463 .instance_init
= pci_u3_agp_init
,
464 .class_init
= pci_u3_agp_class_init
,
467 static void pci_unin_agp_class_init(ObjectClass
*klass
, void *data
)
469 DeviceClass
*dc
= DEVICE_CLASS(klass
);
471 dc
->realize
= pci_unin_agp_realize
;
472 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
475 static const TypeInfo pci_unin_agp_info
= {
476 .name
= TYPE_UNI_NORTH_AGP_HOST_BRIDGE
,
477 .parent
= TYPE_PCI_HOST_BRIDGE
,
478 .instance_size
= sizeof(UNINHostState
),
479 .instance_init
= pci_unin_agp_init
,
480 .class_init
= pci_unin_agp_class_init
,
483 static void pci_unin_internal_class_init(ObjectClass
*klass
, void *data
)
485 DeviceClass
*dc
= DEVICE_CLASS(klass
);
487 dc
->realize
= pci_unin_internal_realize
;
488 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
491 static const TypeInfo pci_unin_internal_info
= {
492 .name
= TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE
,
493 .parent
= TYPE_PCI_HOST_BRIDGE
,
494 .instance_size
= sizeof(UNINHostState
),
495 .instance_init
= pci_unin_internal_init
,
496 .class_init
= pci_unin_internal_class_init
,
500 static void unin_write(void *opaque
, hwaddr addr
, uint64_t value
,
503 trace_unin_write(addr
, value
);
506 static uint64_t unin_read(void *opaque
, hwaddr addr
, unsigned size
)
512 value
= UNINORTH_VERSION_10A
;
518 trace_unin_read(addr
, value
);
523 static const MemoryRegionOps unin_ops
= {
526 .endianness
= DEVICE_BIG_ENDIAN
,
529 static void unin_init(Object
*obj
)
531 UNINState
*s
= UNI_NORTH(obj
);
532 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
534 memory_region_init_io(&s
->mem
, obj
, &unin_ops
, s
, "unin", 0x1000);
536 sysbus_init_mmio(sbd
, &s
->mem
);
539 static void unin_class_init(ObjectClass
*klass
, void *data
)
541 DeviceClass
*dc
= DEVICE_CLASS(klass
);
543 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
546 static const TypeInfo unin_info
= {
547 .name
= TYPE_UNI_NORTH
,
548 .parent
= TYPE_SYS_BUS_DEVICE
,
549 .instance_size
= sizeof(UNINState
),
550 .instance_init
= unin_init
,
551 .class_init
= unin_class_init
,
554 static void unin_register_types(void)
556 type_register_static(&unin_main_pci_host_info
);
557 type_register_static(&u3_agp_pci_host_info
);
558 type_register_static(&unin_agp_pci_host_info
);
559 type_register_static(&unin_internal_pci_host_info
);
561 type_register_static(&pci_unin_main_info
);
562 type_register_static(&pci_u3_agp_info
);
563 type_register_static(&pci_unin_agp_info
);
564 type_register_static(&pci_unin_internal_info
);
566 type_register_static(&unin_info
);
569 type_init(unin_register_types
)