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
24 #include "qemu/osdep.h"
26 #include "hw/ppc/mac.h"
27 #include "hw/pci/pci.h"
28 #include "hw/pci/pci_host.h"
29 #include "hw/pci-host/uninorth.h"
32 static const int unin_irq_line
[] = { 0x1b, 0x1c, 0x1d, 0x1e };
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(unin_irq_line
[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
= (reg
>> 8) & 7;
67 /* ... and then convert them to x86 format */
69 retval
= (reg
& (0xff - 7)) | (addr
& 7);
76 trace_unin_get_config_reg(reg
, addr
, retval
);
81 static void unin_data_write(void *opaque
, hwaddr addr
,
82 uint64_t val
, unsigned len
)
84 UNINHostState
*s
= opaque
;
85 PCIHostState
*phb
= PCI_HOST_BRIDGE(s
);
86 trace_unin_data_write(addr
, len
, val
);
87 pci_data_write(phb
->bus
,
88 unin_get_config_reg(phb
->config_reg
, addr
),
92 static uint64_t unin_data_read(void *opaque
, hwaddr addr
,
95 UNINHostState
*s
= opaque
;
96 PCIHostState
*phb
= PCI_HOST_BRIDGE(s
);
99 val
= pci_data_read(phb
->bus
,
100 unin_get_config_reg(phb
->config_reg
, addr
),
102 trace_unin_data_read(addr
, len
, val
);
106 static const MemoryRegionOps unin_data_ops
= {
107 .read
= unin_data_read
,
108 .write
= unin_data_write
,
109 .endianness
= DEVICE_LITTLE_ENDIAN
,
112 static void pci_unin_init_irqs(UNINHostState
*s
)
116 for (i
= 0; i
< ARRAY_SIZE(s
->irqs
); i
++) {
117 s
->irqs
[i
] = qdev_get_gpio_in(DEVICE(s
->pic
), unin_irq_line
[i
]);
121 static void pci_unin_main_realize(DeviceState
*dev
, Error
**errp
)
123 UNINHostState
*s
= UNI_NORTH_PCI_HOST_BRIDGE(dev
);
124 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
126 h
->bus
= pci_register_root_bus(dev
, NULL
,
127 pci_unin_set_irq
, pci_unin_map_irq
,
131 PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS
);
133 pci_create_simple(h
->bus
, PCI_DEVFN(11, 0), "uni-north-pci");
134 pci_unin_init_irqs(s
);
136 /* DEC 21154 bridge */
138 /* XXX: not activated as PPC BIOS doesn't handle multiple buses properly */
139 pci_create_simple(h
->bus
, PCI_DEVFN(12, 0), "dec-21154");
143 static void pci_unin_main_init(Object
*obj
)
145 UNINHostState
*s
= UNI_NORTH_PCI_HOST_BRIDGE(obj
);
146 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
147 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
149 /* Use values found on a real PowerMac */
150 /* Uninorth main bus */
151 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
152 obj
, "unin-pci-conf-idx", 0x1000);
153 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &unin_data_ops
, obj
,
154 "unin-pci-conf-data", 0x1000);
156 memory_region_init(&s
->pci_mmio
, OBJECT(s
), "unin-pci-mmio",
158 memory_region_init_io(&s
->pci_io
, OBJECT(s
), &unassigned_io_ops
, obj
,
159 "unin-pci-isa-mmio", 0x00800000);
161 memory_region_init_alias(&s
->pci_hole
, OBJECT(s
),
162 "unin-pci-hole", &s
->pci_mmio
,
163 0x80000000ULL
, 0x10000000ULL
);
165 object_property_add_link(obj
, "pic", TYPE_OPENPIC
,
167 qdev_prop_allow_set_link_before_realize
,
170 sysbus_init_mmio(sbd
, &h
->conf_mem
);
171 sysbus_init_mmio(sbd
, &h
->data_mem
);
172 sysbus_init_mmio(sbd
, &s
->pci_hole
);
173 sysbus_init_mmio(sbd
, &s
->pci_io
);
176 static void pci_u3_agp_realize(DeviceState
*dev
, Error
**errp
)
178 UNINHostState
*s
= U3_AGP_HOST_BRIDGE(dev
);
179 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
181 h
->bus
= pci_register_root_bus(dev
, NULL
,
182 pci_unin_set_irq
, pci_unin_map_irq
,
186 PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS
);
188 pci_create_simple(h
->bus
, PCI_DEVFN(11, 0), "u3-agp");
189 pci_unin_init_irqs(s
);
192 static void pci_u3_agp_init(Object
*obj
)
194 UNINHostState
*s
= U3_AGP_HOST_BRIDGE(obj
);
195 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
196 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
198 /* Uninorth U3 AGP bus */
199 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
200 obj
, "unin-pci-conf-idx", 0x1000);
201 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &unin_data_ops
, obj
,
202 "unin-pci-conf-data", 0x1000);
204 memory_region_init(&s
->pci_mmio
, OBJECT(s
), "unin-pci-mmio",
206 memory_region_init_io(&s
->pci_io
, OBJECT(s
), &unassigned_io_ops
, obj
,
207 "unin-pci-isa-mmio", 0x00800000);
209 memory_region_init_alias(&s
->pci_hole
, OBJECT(s
),
210 "unin-pci-hole", &s
->pci_mmio
,
211 0x80000000ULL
, 0x70000000ULL
);
213 object_property_add_link(obj
, "pic", TYPE_OPENPIC
,
215 qdev_prop_allow_set_link_before_realize
,
218 sysbus_init_mmio(sbd
, &h
->conf_mem
);
219 sysbus_init_mmio(sbd
, &h
->data_mem
);
220 sysbus_init_mmio(sbd
, &s
->pci_hole
);
221 sysbus_init_mmio(sbd
, &s
->pci_io
);
224 static void pci_unin_agp_realize(DeviceState
*dev
, Error
**errp
)
226 UNINHostState
*s
= UNI_NORTH_AGP_HOST_BRIDGE(dev
);
227 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
229 h
->bus
= pci_register_root_bus(dev
, NULL
,
230 pci_unin_set_irq
, pci_unin_map_irq
,
234 PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS
);
236 pci_create_simple(h
->bus
, PCI_DEVFN(11, 0), "uni-north-agp");
237 pci_unin_init_irqs(s
);
240 static void pci_unin_agp_init(Object
*obj
)
242 UNINHostState
*s
= UNI_NORTH_AGP_HOST_BRIDGE(obj
);
243 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
244 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
246 /* Uninorth AGP bus */
247 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
248 obj
, "unin-agp-conf-idx", 0x1000);
249 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &pci_host_data_le_ops
,
250 obj
, "unin-agp-conf-data", 0x1000);
252 object_property_add_link(obj
, "pic", TYPE_OPENPIC
,
254 qdev_prop_allow_set_link_before_realize
,
257 sysbus_init_mmio(sbd
, &h
->conf_mem
);
258 sysbus_init_mmio(sbd
, &h
->data_mem
);
261 static void pci_unin_internal_realize(DeviceState
*dev
, Error
**errp
)
263 UNINHostState
*s
= UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE(dev
);
264 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
266 h
->bus
= pci_register_root_bus(dev
, NULL
,
267 pci_unin_set_irq
, pci_unin_map_irq
,
271 PCI_DEVFN(14, 0), 4, TYPE_PCI_BUS
);
273 pci_create_simple(h
->bus
, PCI_DEVFN(14, 0), "uni-north-internal-pci");
274 pci_unin_init_irqs(s
);
277 static void pci_unin_internal_init(Object
*obj
)
279 UNINHostState
*s
= UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE(obj
);
280 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
281 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
283 /* Uninorth internal bus */
284 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
285 obj
, "unin-pci-conf-idx", 0x1000);
286 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &pci_host_data_le_ops
,
287 obj
, "unin-pci-conf-data", 0x1000);
289 object_property_add_link(obj
, "pic", TYPE_OPENPIC
,
291 qdev_prop_allow_set_link_before_realize
,
294 sysbus_init_mmio(sbd
, &h
->conf_mem
);
295 sysbus_init_mmio(sbd
, &h
->data_mem
);
298 static void unin_main_pci_host_realize(PCIDevice
*d
, Error
**errp
)
300 /* cache_line_size */
301 d
->config
[0x0C] = 0x08;
303 d
->config
[0x0D] = 0x10;
304 /* capabilities_pointer */
305 d
->config
[0x34] = 0x00;
308 * Set kMacRISCPCIAddressSelect (0x48) register to indicate PCI
309 * memory space with base 0x80000000, size 0x10000000 for Apple's
310 * AppleMacRiscPCI driver
312 d
->config
[0x48] = 0x0;
313 d
->config
[0x49] = 0x0;
314 d
->config
[0x4a] = 0x0;
315 d
->config
[0x4b] = 0x1;
318 static void unin_agp_pci_host_realize(PCIDevice
*d
, Error
**errp
)
320 /* cache_line_size */
321 d
->config
[0x0C] = 0x08;
323 d
->config
[0x0D] = 0x10;
324 /* capabilities_pointer
325 d->config[0x34] = 0x80; */
328 static void u3_agp_pci_host_realize(PCIDevice
*d
, Error
**errp
)
330 /* cache line size */
331 d
->config
[0x0C] = 0x08;
333 d
->config
[0x0D] = 0x10;
336 static void unin_internal_pci_host_realize(PCIDevice
*d
, Error
**errp
)
338 /* cache_line_size */
339 d
->config
[0x0C] = 0x08;
341 d
->config
[0x0D] = 0x10;
342 /* capabilities_pointer */
343 d
->config
[0x34] = 0x00;
346 static void unin_main_pci_host_class_init(ObjectClass
*klass
, void *data
)
348 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
349 DeviceClass
*dc
= DEVICE_CLASS(klass
);
351 k
->realize
= unin_main_pci_host_realize
;
352 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
353 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_PCI
;
355 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
357 * PCI-facing part of the host bridge, not usable without the
358 * host-facing part, which can't be device_add'ed, yet.
360 dc
->user_creatable
= false;
363 static const TypeInfo unin_main_pci_host_info
= {
364 .name
= "uni-north-pci",
365 .parent
= TYPE_PCI_DEVICE
,
366 .instance_size
= sizeof(PCIDevice
),
367 .class_init
= unin_main_pci_host_class_init
,
368 .interfaces
= (InterfaceInfo
[]) {
369 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
374 static void u3_agp_pci_host_class_init(ObjectClass
*klass
, void *data
)
376 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
377 DeviceClass
*dc
= DEVICE_CLASS(klass
);
379 k
->realize
= u3_agp_pci_host_realize
;
380 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
381 k
->device_id
= PCI_DEVICE_ID_APPLE_U3_AGP
;
383 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
385 * PCI-facing part of the host bridge, not usable without the
386 * host-facing part, which can't be device_add'ed, yet.
388 dc
->user_creatable
= false;
391 static const TypeInfo u3_agp_pci_host_info
= {
393 .parent
= TYPE_PCI_DEVICE
,
394 .instance_size
= sizeof(PCIDevice
),
395 .class_init
= u3_agp_pci_host_class_init
,
396 .interfaces
= (InterfaceInfo
[]) {
397 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
402 static void unin_agp_pci_host_class_init(ObjectClass
*klass
, void *data
)
404 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
405 DeviceClass
*dc
= DEVICE_CLASS(klass
);
407 k
->realize
= unin_agp_pci_host_realize
;
408 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
409 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_AGP
;
411 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
413 * PCI-facing part of the host bridge, not usable without the
414 * host-facing part, which can't be device_add'ed, yet.
416 dc
->user_creatable
= false;
419 static const TypeInfo unin_agp_pci_host_info
= {
420 .name
= "uni-north-agp",
421 .parent
= TYPE_PCI_DEVICE
,
422 .instance_size
= sizeof(PCIDevice
),
423 .class_init
= unin_agp_pci_host_class_init
,
424 .interfaces
= (InterfaceInfo
[]) {
425 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
430 static void unin_internal_pci_host_class_init(ObjectClass
*klass
, void *data
)
432 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
433 DeviceClass
*dc
= DEVICE_CLASS(klass
);
435 k
->realize
= unin_internal_pci_host_realize
;
436 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
437 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_I_PCI
;
439 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
441 * PCI-facing part of the host bridge, not usable without the
442 * host-facing part, which can't be device_add'ed, yet.
444 dc
->user_creatable
= false;
447 static const TypeInfo unin_internal_pci_host_info
= {
448 .name
= "uni-north-internal-pci",
449 .parent
= TYPE_PCI_DEVICE
,
450 .instance_size
= sizeof(PCIDevice
),
451 .class_init
= unin_internal_pci_host_class_init
,
452 .interfaces
= (InterfaceInfo
[]) {
453 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
458 static void pci_unin_main_class_init(ObjectClass
*klass
, void *data
)
460 DeviceClass
*dc
= DEVICE_CLASS(klass
);
462 dc
->realize
= pci_unin_main_realize
;
463 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
466 static const TypeInfo pci_unin_main_info
= {
467 .name
= TYPE_UNI_NORTH_PCI_HOST_BRIDGE
,
468 .parent
= TYPE_PCI_HOST_BRIDGE
,
469 .instance_size
= sizeof(UNINHostState
),
470 .instance_init
= pci_unin_main_init
,
471 .class_init
= pci_unin_main_class_init
,
474 static void pci_u3_agp_class_init(ObjectClass
*klass
, void *data
)
476 DeviceClass
*dc
= DEVICE_CLASS(klass
);
478 dc
->realize
= pci_u3_agp_realize
;
479 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
482 static const TypeInfo pci_u3_agp_info
= {
483 .name
= TYPE_U3_AGP_HOST_BRIDGE
,
484 .parent
= TYPE_PCI_HOST_BRIDGE
,
485 .instance_size
= sizeof(UNINHostState
),
486 .instance_init
= pci_u3_agp_init
,
487 .class_init
= pci_u3_agp_class_init
,
490 static void pci_unin_agp_class_init(ObjectClass
*klass
, void *data
)
492 DeviceClass
*dc
= DEVICE_CLASS(klass
);
494 dc
->realize
= pci_unin_agp_realize
;
495 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
498 static const TypeInfo pci_unin_agp_info
= {
499 .name
= TYPE_UNI_NORTH_AGP_HOST_BRIDGE
,
500 .parent
= TYPE_PCI_HOST_BRIDGE
,
501 .instance_size
= sizeof(UNINHostState
),
502 .instance_init
= pci_unin_agp_init
,
503 .class_init
= pci_unin_agp_class_init
,
506 static void pci_unin_internal_class_init(ObjectClass
*klass
, void *data
)
508 DeviceClass
*dc
= DEVICE_CLASS(klass
);
510 dc
->realize
= pci_unin_internal_realize
;
511 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
514 static const TypeInfo pci_unin_internal_info
= {
515 .name
= TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE
,
516 .parent
= TYPE_PCI_HOST_BRIDGE
,
517 .instance_size
= sizeof(UNINHostState
),
518 .instance_init
= pci_unin_internal_init
,
519 .class_init
= pci_unin_internal_class_init
,
523 static void unin_write(void *opaque
, hwaddr addr
, uint64_t value
,
526 trace_unin_write(addr
, value
);
529 static uint64_t unin_read(void *opaque
, hwaddr addr
, unsigned size
)
535 value
= UNINORTH_VERSION_10A
;
541 trace_unin_read(addr
, value
);
546 static const MemoryRegionOps unin_ops
= {
549 .endianness
= DEVICE_BIG_ENDIAN
,
552 static void unin_init(Object
*obj
)
554 UNINState
*s
= UNI_NORTH(obj
);
555 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
557 memory_region_init_io(&s
->mem
, obj
, &unin_ops
, s
, "unin", 0x1000);
559 sysbus_init_mmio(sbd
, &s
->mem
);
562 static void unin_class_init(ObjectClass
*klass
, void *data
)
564 DeviceClass
*dc
= DEVICE_CLASS(klass
);
566 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
569 static const TypeInfo unin_info
= {
570 .name
= TYPE_UNI_NORTH
,
571 .parent
= TYPE_SYS_BUS_DEVICE
,
572 .instance_size
= sizeof(UNINState
),
573 .instance_init
= unin_init
,
574 .class_init
= unin_class_init
,
577 static void unin_register_types(void)
579 type_register_static(&unin_main_pci_host_info
);
580 type_register_static(&u3_agp_pci_host_info
);
581 type_register_static(&unin_agp_pci_host_info
);
582 type_register_static(&unin_internal_pci_host_info
);
584 type_register_static(&pci_unin_main_info
);
585 type_register_static(&pci_u3_agp_info
);
586 type_register_static(&pci_unin_agp_info
);
587 type_register_static(&pci_unin_internal_info
);
589 type_register_static(&unin_info
);
592 type_init(unin_register_types
)