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
33 #define UNIN_DPRINTF(fmt, ...) \
34 do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
36 #define UNIN_DPRINTF(fmt, ...)
39 static const int unin_irq_line
[] = { 0x1b, 0x1c, 0x1d, 0x1e };
41 #define TYPE_UNI_NORTH_PCI_HOST_BRIDGE "uni-north-pci-pcihost"
42 #define TYPE_UNI_NORTH_AGP_HOST_BRIDGE "uni-north-agp-pcihost"
43 #define TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE "uni-north-internal-pci-pcihost"
44 #define TYPE_U3_AGP_HOST_BRIDGE "u3-agp-pcihost"
46 #define UNI_NORTH_PCI_HOST_BRIDGE(obj) \
47 OBJECT_CHECK(UNINState, (obj), TYPE_UNI_NORTH_PCI_HOST_BRIDGE)
48 #define UNI_NORTH_AGP_HOST_BRIDGE(obj) \
49 OBJECT_CHECK(UNINState, (obj), TYPE_UNI_NORTH_AGP_HOST_BRIDGE)
50 #define UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE(obj) \
51 OBJECT_CHECK(UNINState, (obj), TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE)
52 #define U3_AGP_HOST_BRIDGE(obj) \
53 OBJECT_CHECK(UNINState, (obj), TYPE_U3_AGP_HOST_BRIDGE)
55 typedef struct UNINState
{
56 PCIHostState host_state
;
58 MemoryRegion pci_mmio
;
59 MemoryRegion pci_hole
;
62 static int pci_unin_map_irq(PCIDevice
*pci_dev
, int irq_num
)
65 int devfn
= pci_dev
->devfn
& 0x00FFFFFF;
67 retval
= (((devfn
>> 11) & 0x1F) + irq_num
) & 3;
72 static void pci_unin_set_irq(void *opaque
, int irq_num
, int level
)
74 qemu_irq
*pic
= opaque
;
76 UNIN_DPRINTF("%s: setting INT %d = %d\n", __func__
,
77 unin_irq_line
[irq_num
], level
);
78 qemu_set_irq(pic
[unin_irq_line
[irq_num
]], level
);
81 static uint32_t unin_get_config_reg(uint32_t reg
, uint32_t addr
)
85 if (reg
& (1u << 31)) {
86 /* XXX OpenBIOS compatibility hack */
87 retval
= reg
| (addr
& 3);
90 retval
= (reg
& ~7u) | (addr
& 7);
94 /* Grab CFA0 style values */
95 slot
= ffs(reg
& 0xfffff800) - 1;
96 func
= (reg
>> 8) & 7;
98 /* ... and then convert them to x86 format */
100 retval
= (reg
& (0xff - 7)) | (addr
& 7);
102 retval
|= slot
<< 11;
108 UNIN_DPRINTF("Converted config space accessor %08x/%08x -> %08x\n",
114 static void unin_data_write(void *opaque
, target_phys_addr_t addr
,
115 uint64_t val
, unsigned len
)
117 UNINState
*s
= opaque
;
118 UNIN_DPRINTF("write addr %" TARGET_FMT_plx
" len %d val %"PRIx64
"\n",
120 pci_data_write(s
->host_state
.bus
,
121 unin_get_config_reg(s
->host_state
.config_reg
, addr
),
125 static uint64_t unin_data_read(void *opaque
, target_phys_addr_t addr
,
128 UNINState
*s
= opaque
;
131 val
= pci_data_read(s
->host_state
.bus
,
132 unin_get_config_reg(s
->host_state
.config_reg
, addr
),
134 UNIN_DPRINTF("read addr %" TARGET_FMT_plx
" len %d val %x\n",
139 static const MemoryRegionOps unin_data_ops
= {
140 .read
= unin_data_read
,
141 .write
= unin_data_write
,
142 .endianness
= DEVICE_LITTLE_ENDIAN
,
145 static int pci_unin_main_init_device(SysBusDevice
*dev
)
149 /* Use values found on a real PowerMac */
150 /* Uninorth main bus */
151 h
= PCI_HOST_BRIDGE(dev
);
153 memory_region_init_io(&h
->conf_mem
, &pci_host_conf_le_ops
,
154 dev
, "pci-conf-idx", 0x1000);
155 memory_region_init_io(&h
->data_mem
, &unin_data_ops
, dev
,
156 "pci-conf-data", 0x1000);
157 sysbus_init_mmio(dev
, &h
->conf_mem
);
158 sysbus_init_mmio(dev
, &h
->data_mem
);
164 static int pci_u3_agp_init_device(SysBusDevice
*dev
)
168 /* Uninorth U3 AGP bus */
169 h
= PCI_HOST_BRIDGE(dev
);
171 memory_region_init_io(&h
->conf_mem
, &pci_host_conf_le_ops
,
172 dev
, "pci-conf-idx", 0x1000);
173 memory_region_init_io(&h
->data_mem
, &unin_data_ops
, dev
,
174 "pci-conf-data", 0x1000);
175 sysbus_init_mmio(dev
, &h
->conf_mem
);
176 sysbus_init_mmio(dev
, &h
->data_mem
);
181 static int pci_unin_agp_init_device(SysBusDevice
*dev
)
185 /* Uninorth AGP bus */
186 h
= PCI_HOST_BRIDGE(dev
);
188 memory_region_init_io(&h
->conf_mem
, &pci_host_conf_le_ops
,
189 dev
, "pci-conf-idx", 0x1000);
190 memory_region_init_io(&h
->data_mem
, &pci_host_data_le_ops
,
191 dev
, "pci-conf-data", 0x1000);
192 sysbus_init_mmio(dev
, &h
->conf_mem
);
193 sysbus_init_mmio(dev
, &h
->data_mem
);
197 static int pci_unin_internal_init_device(SysBusDevice
*dev
)
201 /* Uninorth internal bus */
202 h
= PCI_HOST_BRIDGE(dev
);
204 memory_region_init_io(&h
->conf_mem
, &pci_host_conf_le_ops
,
205 dev
, "pci-conf-idx", 0x1000);
206 memory_region_init_io(&h
->data_mem
, &pci_host_data_le_ops
,
207 dev
, "pci-conf-data", 0x1000);
208 sysbus_init_mmio(dev
, &h
->conf_mem
);
209 sysbus_init_mmio(dev
, &h
->data_mem
);
213 PCIBus
*pci_pmac_init(qemu_irq
*pic
,
214 MemoryRegion
*address_space_mem
,
215 MemoryRegion
*address_space_io
)
222 /* Use values found on a real PowerMac */
223 /* Uninorth main bus */
224 dev
= qdev_create(NULL
, TYPE_UNI_NORTH_PCI_HOST_BRIDGE
);
225 qdev_init_nofail(dev
);
226 s
= SYS_BUS_DEVICE(dev
);
227 h
= PCI_HOST_BRIDGE(s
);
228 d
= UNI_NORTH_PCI_HOST_BRIDGE(dev
);
229 memory_region_init(&d
->pci_mmio
, "pci-mmio", 0x100000000ULL
);
230 memory_region_init_alias(&d
->pci_hole
, "pci-hole", &d
->pci_mmio
,
231 0x80000000ULL
, 0x70000000ULL
);
232 memory_region_add_subregion(address_space_mem
, 0x80000000ULL
,
235 h
->bus
= pci_register_bus(dev
, "pci",
236 pci_unin_set_irq
, pci_unin_map_irq
,
240 PCI_DEVFN(11, 0), 4);
243 pci_create_simple(h
->bus
, PCI_DEVFN(11, 0), "uni-north");
246 sysbus_mmio_map(s
, 0, 0xf2800000);
247 sysbus_mmio_map(s
, 1, 0xf2c00000);
249 /* DEC 21154 bridge */
251 /* XXX: not activated as PPC BIOS doesn't handle multiple buses properly */
252 pci_create_simple(h
->bus
, PCI_DEVFN(12, 0), "dec-21154");
255 /* Uninorth AGP bus */
256 pci_create_simple(h
->bus
, PCI_DEVFN(11, 0), "uni-north-agp");
257 dev
= qdev_create(NULL
, TYPE_UNI_NORTH_AGP_HOST_BRIDGE
);
258 qdev_init_nofail(dev
);
259 s
= SYS_BUS_DEVICE(dev
);
260 sysbus_mmio_map(s
, 0, 0xf0800000);
261 sysbus_mmio_map(s
, 1, 0xf0c00000);
263 /* Uninorth internal bus */
265 /* XXX: not needed for now */
266 pci_create_simple(h
->bus
, PCI_DEVFN(14, 0),
267 "uni-north-internal-pci");
268 dev
= qdev_create(NULL
, TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE
);
269 qdev_init_nofail(dev
);
270 s
= SYS_BUS_DEVICE(dev
);
271 sysbus_mmio_map(s
, 0, 0xf4800000);
272 sysbus_mmio_map(s
, 1, 0xf4c00000);
278 PCIBus
*pci_pmac_u3_init(qemu_irq
*pic
,
279 MemoryRegion
*address_space_mem
,
280 MemoryRegion
*address_space_io
)
287 /* Uninorth AGP bus */
289 dev
= qdev_create(NULL
, TYPE_U3_AGP_HOST_BRIDGE
);
290 qdev_init_nofail(dev
);
291 s
= SYS_BUS_DEVICE(dev
);
292 h
= PCI_HOST_BRIDGE(dev
);
293 d
= U3_AGP_HOST_BRIDGE(dev
);
295 memory_region_init(&d
->pci_mmio
, "pci-mmio", 0x100000000ULL
);
296 memory_region_init_alias(&d
->pci_hole
, "pci-hole", &d
->pci_mmio
,
297 0x80000000ULL
, 0x70000000ULL
);
298 memory_region_add_subregion(address_space_mem
, 0x80000000ULL
,
301 h
->bus
= pci_register_bus(dev
, "pci",
302 pci_unin_set_irq
, pci_unin_map_irq
,
306 PCI_DEVFN(11, 0), 4);
308 sysbus_mmio_map(s
, 0, 0xf0800000);
309 sysbus_mmio_map(s
, 1, 0xf0c00000);
311 pci_create_simple(h
->bus
, 11 << 3, "u3-agp");
316 static int unin_main_pci_host_init(PCIDevice
*d
)
318 d
->config
[0x0C] = 0x08; // cache_line_size
319 d
->config
[0x0D] = 0x10; // latency_timer
320 d
->config
[0x34] = 0x00; // capabilities_pointer
324 static int unin_agp_pci_host_init(PCIDevice
*d
)
326 d
->config
[0x0C] = 0x08; // cache_line_size
327 d
->config
[0x0D] = 0x10; // latency_timer
328 // d->config[0x34] = 0x80; // capabilities_pointer
332 static int u3_agp_pci_host_init(PCIDevice
*d
)
334 /* cache line size */
335 d
->config
[0x0C] = 0x08;
337 d
->config
[0x0D] = 0x10;
341 static int unin_internal_pci_host_init(PCIDevice
*d
)
343 d
->config
[0x0C] = 0x08; // cache_line_size
344 d
->config
[0x0D] = 0x10; // latency_timer
345 d
->config
[0x34] = 0x00; // capabilities_pointer
349 static void unin_main_pci_host_class_init(ObjectClass
*klass
, void *data
)
351 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
353 k
->init
= unin_main_pci_host_init
;
354 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
355 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_PCI
;
357 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
360 static const TypeInfo unin_main_pci_host_info
= {
361 .name
= "uni-north-pci",
362 .parent
= TYPE_PCI_DEVICE
,
363 .instance_size
= sizeof(PCIDevice
),
364 .class_init
= unin_main_pci_host_class_init
,
367 static void u3_agp_pci_host_class_init(ObjectClass
*klass
, void *data
)
369 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
371 k
->init
= u3_agp_pci_host_init
;
372 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
373 k
->device_id
= PCI_DEVICE_ID_APPLE_U3_AGP
;
375 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
378 static const TypeInfo u3_agp_pci_host_info
= {
380 .parent
= TYPE_PCI_DEVICE
,
381 .instance_size
= sizeof(PCIDevice
),
382 .class_init
= u3_agp_pci_host_class_init
,
385 static void unin_agp_pci_host_class_init(ObjectClass
*klass
, void *data
)
387 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
389 k
->init
= unin_agp_pci_host_init
;
390 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
391 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_AGP
;
393 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
396 static const TypeInfo unin_agp_pci_host_info
= {
397 .name
= "uni-north-agp",
398 .parent
= TYPE_PCI_DEVICE
,
399 .instance_size
= sizeof(PCIDevice
),
400 .class_init
= unin_agp_pci_host_class_init
,
403 static void unin_internal_pci_host_class_init(ObjectClass
*klass
, void *data
)
405 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
407 k
->init
= unin_internal_pci_host_init
;
408 k
->vendor_id
= PCI_VENDOR_ID_APPLE
;
409 k
->device_id
= PCI_DEVICE_ID_APPLE_UNI_N_I_PCI
;
411 k
->class_id
= PCI_CLASS_BRIDGE_HOST
;
414 static const TypeInfo unin_internal_pci_host_info
= {
415 .name
= "uni-north-internal-pci",
416 .parent
= TYPE_PCI_DEVICE
,
417 .instance_size
= sizeof(PCIDevice
),
418 .class_init
= unin_internal_pci_host_class_init
,
421 static void pci_unin_main_class_init(ObjectClass
*klass
, void *data
)
423 SysBusDeviceClass
*sbc
= SYS_BUS_DEVICE_CLASS(klass
);
425 sbc
->init
= pci_unin_main_init_device
;
428 static const TypeInfo pci_unin_main_info
= {
429 .name
= TYPE_UNI_NORTH_PCI_HOST_BRIDGE
,
430 .parent
= TYPE_PCI_HOST_BRIDGE
,
431 .instance_size
= sizeof(UNINState
),
432 .class_init
= pci_unin_main_class_init
,
435 static void pci_u3_agp_class_init(ObjectClass
*klass
, void *data
)
437 SysBusDeviceClass
*sbc
= SYS_BUS_DEVICE_CLASS(klass
);
439 sbc
->init
= pci_u3_agp_init_device
;
442 static const TypeInfo pci_u3_agp_info
= {
443 .name
= TYPE_U3_AGP_HOST_BRIDGE
,
444 .parent
= TYPE_PCI_HOST_BRIDGE
,
445 .instance_size
= sizeof(UNINState
),
446 .class_init
= pci_u3_agp_class_init
,
449 static void pci_unin_agp_class_init(ObjectClass
*klass
, void *data
)
451 SysBusDeviceClass
*sbc
= SYS_BUS_DEVICE_CLASS(klass
);
453 sbc
->init
= pci_unin_agp_init_device
;
456 static const TypeInfo pci_unin_agp_info
= {
457 .name
= TYPE_UNI_NORTH_AGP_HOST_BRIDGE
,
458 .parent
= TYPE_PCI_HOST_BRIDGE
,
459 .instance_size
= sizeof(UNINState
),
460 .class_init
= pci_unin_agp_class_init
,
463 static void pci_unin_internal_class_init(ObjectClass
*klass
, void *data
)
465 SysBusDeviceClass
*sbc
= SYS_BUS_DEVICE_CLASS(klass
);
467 sbc
->init
= pci_unin_internal_init_device
;
470 static const TypeInfo pci_unin_internal_info
= {
471 .name
= TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE
,
472 .parent
= TYPE_PCI_HOST_BRIDGE
,
473 .instance_size
= sizeof(UNINState
),
474 .class_init
= pci_unin_internal_class_init
,
477 static void unin_register_types(void)
479 type_register_static(&unin_main_pci_host_info
);
480 type_register_static(&u3_agp_pci_host_info
);
481 type_register_static(&unin_agp_pci_host_info
);
482 type_register_static(&unin_internal_pci_host_info
);
484 type_register_static(&pci_unin_main_info
);
485 type_register_static(&pci_u3_agp_info
);
486 type_register_static(&pci_unin_agp_info
);
487 type_register_static(&pci_unin_internal_info
);
490 type_init(unin_register_types
)