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/ppc/mac.h"
28 #include "hw/qdev-properties.h"
29 #include "qemu/module.h"
30 #include "hw/pci/pci.h"
31 #include "hw/pci/pci_host.h"
32 #include "hw/pci-host/uninorth.h"
35 static int pci_unin_map_irq(PCIDevice
*pci_dev
, int irq_num
)
37 return (irq_num
+ (pci_dev
->devfn
>> 3)) & 3;
40 static void pci_unin_set_irq(void *opaque
, int irq_num
, int level
)
42 UNINHostState
*s
= opaque
;
44 trace_unin_set_irq(irq_num
, level
);
45 qemu_set_irq(s
->irqs
[irq_num
], level
);
48 static uint32_t unin_get_config_reg(uint32_t reg
, uint32_t addr
)
52 if (reg
& (1u << 31)) {
53 /* XXX OpenBIOS compatibility hack */
54 retval
= reg
| (addr
& 3);
57 retval
= (reg
& ~7u) | (addr
& 7);
61 /* Grab CFA0 style values */
62 slot
= ctz32(reg
& 0xfffff800);
64 slot
= -1; /* XXX: should this be 0? */
66 func
= (reg
>> 8) & 7;
68 /* ... and then convert them to x86 format */
70 retval
= (reg
& (0xff - 7)) | (addr
& 7);
77 trace_unin_get_config_reg(reg
, addr
, retval
);
82 static void unin_data_write(void *opaque
, hwaddr addr
,
83 uint64_t val
, unsigned len
)
85 UNINHostState
*s
= opaque
;
86 PCIHostState
*phb
= PCI_HOST_BRIDGE(s
);
87 trace_unin_data_write(addr
, len
, val
);
88 pci_data_write(phb
->bus
,
89 unin_get_config_reg(phb
->config_reg
, addr
),
93 static uint64_t unin_data_read(void *opaque
, hwaddr addr
,
96 UNINHostState
*s
= opaque
;
97 PCIHostState
*phb
= PCI_HOST_BRIDGE(s
);
100 val
= pci_data_read(phb
->bus
,
101 unin_get_config_reg(phb
->config_reg
, addr
),
103 trace_unin_data_read(addr
, len
, val
);
107 static const MemoryRegionOps unin_data_ops
= {
108 .read
= unin_data_read
,
109 .write
= unin_data_write
,
110 .endianness
= DEVICE_LITTLE_ENDIAN
,
113 static char *pci_unin_main_ofw_unit_address(const SysBusDevice
*dev
)
115 UNINHostState
*s
= UNI_NORTH_PCI_HOST_BRIDGE(dev
);
117 return g_strdup_printf("%x", s
->ofw_addr
);
120 static void pci_unin_main_realize(DeviceState
*dev
, Error
**errp
)
122 UNINHostState
*s
= UNI_NORTH_PCI_HOST_BRIDGE(dev
);
123 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
125 h
->bus
= pci_register_root_bus(dev
, NULL
,
126 pci_unin_set_irq
, pci_unin_map_irq
,
130 PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS
);
132 pci_create_simple(h
->bus
, PCI_DEVFN(11, 0), "uni-north-pci");
134 /* DEC 21154 bridge */
136 /* XXX: not activated as PPC BIOS doesn't handle multiple buses properly */
137 pci_create_simple(h
->bus
, PCI_DEVFN(12, 0), "dec-21154");
141 static void pci_unin_main_init(Object
*obj
)
143 UNINHostState
*s
= UNI_NORTH_PCI_HOST_BRIDGE(obj
);
144 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
145 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
147 /* Use values found on a real PowerMac */
148 /* Uninorth main bus */
149 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
150 obj
, "unin-pci-conf-idx", 0x1000);
151 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &unin_data_ops
, obj
,
152 "unin-pci-conf-data", 0x1000);
154 memory_region_init(&s
->pci_mmio
, OBJECT(s
), "unin-pci-mmio",
156 memory_region_init_io(&s
->pci_io
, OBJECT(s
), &unassigned_io_ops
, obj
,
157 "unin-pci-isa-mmio", 0x00800000);
159 memory_region_init_alias(&s
->pci_hole
, OBJECT(s
),
160 "unin-pci-hole", &s
->pci_mmio
,
161 0x80000000ULL
, 0x10000000ULL
);
163 sysbus_init_mmio(sbd
, &h
->conf_mem
);
164 sysbus_init_mmio(sbd
, &h
->data_mem
);
165 sysbus_init_mmio(sbd
, &s
->pci_hole
);
166 sysbus_init_mmio(sbd
, &s
->pci_io
);
168 qdev_init_gpio_out(DEVICE(obj
), s
->irqs
, ARRAY_SIZE(s
->irqs
));
171 static void pci_u3_agp_realize(DeviceState
*dev
, Error
**errp
)
173 UNINHostState
*s
= U3_AGP_HOST_BRIDGE(dev
);
174 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
176 h
->bus
= pci_register_root_bus(dev
, NULL
,
177 pci_unin_set_irq
, pci_unin_map_irq
,
181 PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS
);
183 pci_create_simple(h
->bus
, PCI_DEVFN(11, 0), "u3-agp");
186 static void pci_u3_agp_init(Object
*obj
)
188 UNINHostState
*s
= U3_AGP_HOST_BRIDGE(obj
);
189 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
190 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
192 /* Uninorth U3 AGP bus */
193 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
194 obj
, "unin-pci-conf-idx", 0x1000);
195 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &unin_data_ops
, obj
,
196 "unin-pci-conf-data", 0x1000);
198 memory_region_init(&s
->pci_mmio
, OBJECT(s
), "unin-pci-mmio",
200 memory_region_init_io(&s
->pci_io
, OBJECT(s
), &unassigned_io_ops
, obj
,
201 "unin-pci-isa-mmio", 0x00800000);
203 memory_region_init_alias(&s
->pci_hole
, OBJECT(s
),
204 "unin-pci-hole", &s
->pci_mmio
,
205 0x80000000ULL
, 0x70000000ULL
);
207 sysbus_init_mmio(sbd
, &h
->conf_mem
);
208 sysbus_init_mmio(sbd
, &h
->data_mem
);
209 sysbus_init_mmio(sbd
, &s
->pci_hole
);
210 sysbus_init_mmio(sbd
, &s
->pci_io
);
212 qdev_init_gpio_out(DEVICE(obj
), s
->irqs
, ARRAY_SIZE(s
->irqs
));
215 static void pci_unin_agp_realize(DeviceState
*dev
, Error
**errp
)
217 UNINHostState
*s
= UNI_NORTH_AGP_HOST_BRIDGE(dev
);
218 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
220 h
->bus
= pci_register_root_bus(dev
, NULL
,
221 pci_unin_set_irq
, pci_unin_map_irq
,
225 PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS
);
227 pci_create_simple(h
->bus
, PCI_DEVFN(11, 0), "uni-north-agp");
230 static void pci_unin_agp_init(Object
*obj
)
232 UNINHostState
*s
= UNI_NORTH_AGP_HOST_BRIDGE(obj
);
233 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
234 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
236 /* Uninorth AGP bus */
237 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
238 obj
, "unin-agp-conf-idx", 0x1000);
239 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &pci_host_data_le_ops
,
240 obj
, "unin-agp-conf-data", 0x1000);
242 sysbus_init_mmio(sbd
, &h
->conf_mem
);
243 sysbus_init_mmio(sbd
, &h
->data_mem
);
245 qdev_init_gpio_out(DEVICE(obj
), s
->irqs
, ARRAY_SIZE(s
->irqs
));
248 static void pci_unin_internal_realize(DeviceState
*dev
, Error
**errp
)
250 UNINHostState
*s
= UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE(dev
);
251 PCIHostState
*h
= PCI_HOST_BRIDGE(dev
);
253 h
->bus
= pci_register_root_bus(dev
, NULL
,
254 pci_unin_set_irq
, pci_unin_map_irq
,
258 PCI_DEVFN(14, 0), 4, TYPE_PCI_BUS
);
260 pci_create_simple(h
->bus
, PCI_DEVFN(14, 0), "uni-north-internal-pci");
263 static void pci_unin_internal_init(Object
*obj
)
265 UNINHostState
*s
= UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE(obj
);
266 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
267 PCIHostState
*h
= PCI_HOST_BRIDGE(obj
);
269 /* Uninorth internal bus */
270 memory_region_init_io(&h
->conf_mem
, OBJECT(h
), &pci_host_conf_le_ops
,
271 obj
, "unin-pci-conf-idx", 0x1000);
272 memory_region_init_io(&h
->data_mem
, OBJECT(h
), &pci_host_data_le_ops
,
273 obj
, "unin-pci-conf-data", 0x1000);
275 sysbus_init_mmio(sbd
, &h
->conf_mem
);
276 sysbus_init_mmio(sbd
, &h
->data_mem
);
278 qdev_init_gpio_out(DEVICE(obj
), s
->irqs
, ARRAY_SIZE(s
->irqs
));
281 static void unin_main_pci_host_realize(PCIDevice
*d
, Error
**errp
)
283 /* cache_line_size */
284 d
->config
[0x0C] = 0x08;
286 d
->config
[0x0D] = 0x10;
287 /* capabilities_pointer */
288 d
->config
[0x34] = 0x00;
291 * Set kMacRISCPCIAddressSelect (0x48) register to indicate PCI
292 * memory space with base 0x80000000, size 0x10000000 for Apple's
293 * AppleMacRiscPCI driver
295 d
->config
[0x48] = 0x0;
296 d
->config
[0x49] = 0x0;
297 d
->config
[0x4a] = 0x0;
298 d
->config
[0x4b] = 0x1;
301 static void unin_agp_pci_host_realize(PCIDevice
*d
, Error
**errp
)
303 /* cache_line_size */
304 d
->config
[0x0C] = 0x08;
306 d
->config
[0x0D] = 0x10;
307 /* capabilities_pointer
308 d->config[0x34] = 0x80; */
311 static void u3_agp_pci_host_realize(PCIDevice
*d
, Error
**errp
)
313 /* cache line size */
314 d
->config
[0x0C] = 0x08;
316 d
->config
[0x0D] = 0x10;
319 static void unin_internal_pci_host_realize(PCIDevice
*d
, Error
**errp
)
321 /* cache_line_size */
322 d
->config
[0x0C] = 0x08;
324 d
->config
[0x0D] = 0x10;
325 /* capabilities_pointer */
326 d
->config
[0x34] = 0x00;
329 static void unin_main_pci_host_class_init(ObjectClass
*klass
, void *data
)
331 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
332 DeviceClass
*dc
= DEVICE_CLASS(klass
);
334 k
->realize
= unin_main_pci_host_realize
;
335 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
336 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_PCI
;
338 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
340 * PCI-facing part of the host bridge, not usable without the
341 * host-facing part, which can't be device_add'ed, yet.
343 dc
->user_creatable
= false;
346 static const TypeInfo unin_main_pci_host_info
= {
347 .name
= "uni-north-pci",
348 .parent
= TYPE_PCI_DEVICE
,
349 .instance_size
= sizeof(PCIDevice
),
350 .class_init
= unin_main_pci_host_class_init
,
351 .interfaces
= (InterfaceInfo
[]) {
352 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
357 static void u3_agp_pci_host_class_init(ObjectClass
*klass
, void *data
)
359 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
360 DeviceClass
*dc
= DEVICE_CLASS(klass
);
362 k
->realize
= u3_agp_pci_host_realize
;
363 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
364 k
->device_id
= PCI_DEVICE_ID_APPLE_U3_AGP
;
366 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
368 * PCI-facing part of the host bridge, not usable without the
369 * host-facing part, which can't be device_add'ed, yet.
371 dc
->user_creatable
= false;
374 static const TypeInfo u3_agp_pci_host_info
= {
376 .parent
= TYPE_PCI_DEVICE
,
377 .instance_size
= sizeof(PCIDevice
),
378 .class_init
= u3_agp_pci_host_class_init
,
379 .interfaces
= (InterfaceInfo
[]) {
380 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
385 static void unin_agp_pci_host_class_init(ObjectClass
*klass
, void *data
)
387 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
388 DeviceClass
*dc
= DEVICE_CLASS(klass
);
390 k
->realize
= unin_agp_pci_host_realize
;
391 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
392 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_AGP
;
394 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
396 * PCI-facing part of the host bridge, not usable without the
397 * host-facing part, which can't be device_add'ed, yet.
399 dc
->user_creatable
= false;
402 static const TypeInfo unin_agp_pci_host_info
= {
403 .name
= "uni-north-agp",
404 .parent
= TYPE_PCI_DEVICE
,
405 .instance_size
= sizeof(PCIDevice
),
406 .class_init
= unin_agp_pci_host_class_init
,
407 .interfaces
= (InterfaceInfo
[]) {
408 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
413 static void unin_internal_pci_host_class_init(ObjectClass
*klass
, void *data
)
415 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
416 DeviceClass
*dc
= DEVICE_CLASS(klass
);
418 k
->realize
= unin_internal_pci_host_realize
;
419 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
420 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_I_PCI
;
422 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
424 * PCI-facing part of the host bridge, not usable without the
425 * host-facing part, which can't be device_add'ed, yet.
427 dc
->user_creatable
= false;
430 static const TypeInfo unin_internal_pci_host_info
= {
431 .name
= "uni-north-internal-pci",
432 .parent
= TYPE_PCI_DEVICE
,
433 .instance_size
= sizeof(PCIDevice
),
434 .class_init
= unin_internal_pci_host_class_init
,
435 .interfaces
= (InterfaceInfo
[]) {
436 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
441 static Property pci_unin_main_pci_host_props
[] = {
442 DEFINE_PROP_UINT32("ofw-addr", UNINHostState
, ofw_addr
, -1),
443 DEFINE_PROP_END_OF_LIST()
446 static void pci_unin_main_class_init(ObjectClass
*klass
, void *data
)
448 DeviceClass
*dc
= DEVICE_CLASS(klass
);
449 SysBusDeviceClass
*sbc
= SYS_BUS_DEVICE_CLASS(klass
);
451 dc
->realize
= pci_unin_main_realize
;
452 device_class_set_props(dc
, pci_unin_main_pci_host_props
);
453 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
455 sbc
->explicit_ofw_unit_address
= pci_unin_main_ofw_unit_address
;
458 static const TypeInfo pci_unin_main_info
= {
459 .name
= TYPE_UNI_NORTH_PCI_HOST_BRIDGE
,
460 .parent
= TYPE_PCI_HOST_BRIDGE
,
461 .instance_size
= sizeof(UNINHostState
),
462 .instance_init
= pci_unin_main_init
,
463 .class_init
= pci_unin_main_class_init
,
466 static void pci_u3_agp_class_init(ObjectClass
*klass
, void *data
)
468 DeviceClass
*dc
= DEVICE_CLASS(klass
);
470 dc
->realize
= pci_u3_agp_realize
;
471 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
474 static const TypeInfo pci_u3_agp_info
= {
475 .name
= TYPE_U3_AGP_HOST_BRIDGE
,
476 .parent
= TYPE_PCI_HOST_BRIDGE
,
477 .instance_size
= sizeof(UNINHostState
),
478 .instance_init
= pci_u3_agp_init
,
479 .class_init
= pci_u3_agp_class_init
,
482 static void pci_unin_agp_class_init(ObjectClass
*klass
, void *data
)
484 DeviceClass
*dc
= DEVICE_CLASS(klass
);
486 dc
->realize
= pci_unin_agp_realize
;
487 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
490 static const TypeInfo pci_unin_agp_info
= {
491 .name
= TYPE_UNI_NORTH_AGP_HOST_BRIDGE
,
492 .parent
= TYPE_PCI_HOST_BRIDGE
,
493 .instance_size
= sizeof(UNINHostState
),
494 .instance_init
= pci_unin_agp_init
,
495 .class_init
= pci_unin_agp_class_init
,
498 static void pci_unin_internal_class_init(ObjectClass
*klass
, void *data
)
500 DeviceClass
*dc
= DEVICE_CLASS(klass
);
502 dc
->realize
= pci_unin_internal_realize
;
503 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
506 static const TypeInfo pci_unin_internal_info
= {
507 .name
= TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE
,
508 .parent
= TYPE_PCI_HOST_BRIDGE
,
509 .instance_size
= sizeof(UNINHostState
),
510 .instance_init
= pci_unin_internal_init
,
511 .class_init
= pci_unin_internal_class_init
,
515 static void unin_write(void *opaque
, hwaddr addr
, uint64_t value
,
518 trace_unin_write(addr
, value
);
521 static uint64_t unin_read(void *opaque
, hwaddr addr
, unsigned size
)
527 value
= UNINORTH_VERSION_10A
;
533 trace_unin_read(addr
, value
);
538 static const MemoryRegionOps unin_ops
= {
541 .endianness
= DEVICE_BIG_ENDIAN
,
544 static void unin_init(Object
*obj
)
546 UNINState
*s
= UNI_NORTH(obj
);
547 SysBusDevice
*sbd
= SYS_BUS_DEVICE(obj
);
549 memory_region_init_io(&s
->mem
, obj
, &unin_ops
, s
, "unin", 0x1000);
551 sysbus_init_mmio(sbd
, &s
->mem
);
554 static void unin_class_init(ObjectClass
*klass
, void *data
)
556 DeviceClass
*dc
= DEVICE_CLASS(klass
);
558 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
561 static const TypeInfo unin_info
= {
562 .name
= TYPE_UNI_NORTH
,
563 .parent
= TYPE_SYS_BUS_DEVICE
,
564 .instance_size
= sizeof(UNINState
),
565 .instance_init
= unin_init
,
566 .class_init
= unin_class_init
,
569 static void unin_register_types(void)
571 type_register_static(&unin_main_pci_host_info
);
572 type_register_static(&u3_agp_pci_host_info
);
573 type_register_static(&unin_agp_pci_host_info
);
574 type_register_static(&unin_internal_pci_host_info
);
576 type_register_static(&pci_unin_main_info
);
577 type_register_static(&pci_u3_agp_info
);
578 type_register_static(&pci_unin_agp_info
);
579 type_register_static(&pci_unin_internal_info
);
581 type_register_static(&unin_info
);
584 type_init(unin_register_types
)