1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21#include "qemu/osdep.h"
22#include "qapi/error.h"
23#include "qemu/module.h"
24#include "hw/pci/msi.h"
25#include "hw/pci/pci_bridge.h"
26#include "hw/pci/pci_host.h"
27#include "hw/pci/pcie_port.h"
28#include "hw/pci-host/designware.h"
29
30#define DESIGNWARE_PCIE_PORT_LINK_CONTROL 0x710
31#define DESIGNWARE_PCIE_PHY_DEBUG_R1 0x72C
32#define DESIGNWARE_PCIE_PHY_DEBUG_R1_XMLH_LINK_UP BIT(4)
33#define DESIGNWARE_PCIE_LINK_WIDTH_SPEED_CONTROL 0x80C
34#define DESIGNWARE_PCIE_PORT_LOGIC_SPEED_CHANGE BIT(17)
35#define DESIGNWARE_PCIE_MSI_ADDR_LO 0x820
36#define DESIGNWARE_PCIE_MSI_ADDR_HI 0x824
37#define DESIGNWARE_PCIE_MSI_INTR0_ENABLE 0x828
38#define DESIGNWARE_PCIE_MSI_INTR0_MASK 0x82C
39#define DESIGNWARE_PCIE_MSI_INTR0_STATUS 0x830
40#define DESIGNWARE_PCIE_ATU_VIEWPORT 0x900
41#define DESIGNWARE_PCIE_ATU_REGION_INBOUND BIT(31)
42#define DESIGNWARE_PCIE_ATU_CR1 0x904
43#define DESIGNWARE_PCIE_ATU_TYPE_MEM (0x0 << 0)
44#define DESIGNWARE_PCIE_ATU_CR2 0x908
45#define DESIGNWARE_PCIE_ATU_ENABLE BIT(31)
46#define DESIGNWARE_PCIE_ATU_LOWER_BASE 0x90C
47#define DESIGNWARE_PCIE_ATU_UPPER_BASE 0x910
48#define DESIGNWARE_PCIE_ATU_LIMIT 0x914
49#define DESIGNWARE_PCIE_ATU_LOWER_TARGET 0x918
50#define DESIGNWARE_PCIE_ATU_BUS(x) (((x) >> 24) & 0xff)
51#define DESIGNWARE_PCIE_ATU_DEVFN(x) (((x) >> 16) & 0xff)
52#define DESIGNWARE_PCIE_ATU_UPPER_TARGET 0x91C
53
54#define DESIGNWARE_PCIE_IRQ_MSI 3
55
56static DesignwarePCIEHost *
57designware_pcie_root_to_host(DesignwarePCIERoot *root)
58{
59 BusState *bus = qdev_get_parent_bus(DEVICE(root));
60 return DESIGNWARE_PCIE_HOST(bus->parent);
61}
62
63static void designware_pcie_root_msi_write(void *opaque, hwaddr addr,
64 uint64_t val, unsigned len)
65{
66 DesignwarePCIERoot *root = DESIGNWARE_PCIE_ROOT(opaque);
67 DesignwarePCIEHost *host = designware_pcie_root_to_host(root);
68
69 root->msi.intr[0].status |= BIT(val) & root->msi.intr[0].enable;
70
71 if (root->msi.intr[0].status & ~root->msi.intr[0].mask) {
72 qemu_set_irq(host->pci.irqs[DESIGNWARE_PCIE_IRQ_MSI], 1);
73 }
74}
75
76static const MemoryRegionOps designware_pci_host_msi_ops = {
77 .write = designware_pcie_root_msi_write,
78 .endianness = DEVICE_LITTLE_ENDIAN,
79 .valid = {
80 .min_access_size = 4,
81 .max_access_size = 4,
82 },
83};
84
85static void designware_pcie_root_update_msi_mapping(DesignwarePCIERoot *root)
86
87{
88 MemoryRegion *mem = &root->msi.iomem;
89 const uint64_t base = root->msi.base;
90 const bool enable = root->msi.intr[0].enable;
91
92 memory_region_set_address(mem, base);
93 memory_region_set_enabled(mem, enable);
94}
95
96static DesignwarePCIEViewport *
97designware_pcie_root_get_current_viewport(DesignwarePCIERoot *root)
98{
99 const unsigned int idx = root->atu_viewport & 0xF;
100 const unsigned int dir =
101 !!(root->atu_viewport & DESIGNWARE_PCIE_ATU_REGION_INBOUND);
102 return &root->viewports[dir][idx];
103}
104
105static uint32_t
106designware_pcie_root_config_read(PCIDevice *d, uint32_t address, int len)
107{
108 DesignwarePCIERoot *root = DESIGNWARE_PCIE_ROOT(d);
109 DesignwarePCIEViewport *viewport =
110 designware_pcie_root_get_current_viewport(root);
111
112 uint32_t val;
113
114 switch (address) {
115 case DESIGNWARE_PCIE_PORT_LINK_CONTROL:
116
117
118
119
120
121 val = 0xDEADBEEF;
122 break;
123
124 case DESIGNWARE_PCIE_LINK_WIDTH_SPEED_CONTROL:
125
126
127
128
129
130 val = DESIGNWARE_PCIE_PORT_LOGIC_SPEED_CHANGE;
131 break;
132
133 case DESIGNWARE_PCIE_MSI_ADDR_LO:
134 val = root->msi.base;
135 break;
136
137 case DESIGNWARE_PCIE_MSI_ADDR_HI:
138 val = root->msi.base >> 32;
139 break;
140
141 case DESIGNWARE_PCIE_MSI_INTR0_ENABLE:
142 val = root->msi.intr[0].enable;
143 break;
144
145 case DESIGNWARE_PCIE_MSI_INTR0_MASK:
146 val = root->msi.intr[0].mask;
147 break;
148
149 case DESIGNWARE_PCIE_MSI_INTR0_STATUS:
150 val = root->msi.intr[0].status;
151 break;
152
153 case DESIGNWARE_PCIE_PHY_DEBUG_R1:
154 val = DESIGNWARE_PCIE_PHY_DEBUG_R1_XMLH_LINK_UP;
155 break;
156
157 case DESIGNWARE_PCIE_ATU_VIEWPORT:
158 val = root->atu_viewport;
159 break;
160
161 case DESIGNWARE_PCIE_ATU_LOWER_BASE:
162 val = viewport->base;
163 break;
164
165 case DESIGNWARE_PCIE_ATU_UPPER_BASE:
166 val = viewport->base >> 32;
167 break;
168
169 case DESIGNWARE_PCIE_ATU_LOWER_TARGET:
170 val = viewport->target;
171 break;
172
173 case DESIGNWARE_PCIE_ATU_UPPER_TARGET:
174 val = viewport->target >> 32;
175 break;
176
177 case DESIGNWARE_PCIE_ATU_LIMIT:
178 val = viewport->limit;
179 break;
180
181 case DESIGNWARE_PCIE_ATU_CR1:
182 case DESIGNWARE_PCIE_ATU_CR2:
183 val = viewport->cr[(address - DESIGNWARE_PCIE_ATU_CR1) /
184 sizeof(uint32_t)];
185 break;
186
187 default:
188 val = pci_default_read_config(d, address, len);
189 break;
190 }
191
192 return val;
193}
194
195static uint64_t designware_pcie_root_data_access(void *opaque, hwaddr addr,
196 uint64_t *val, unsigned len)
197{
198 DesignwarePCIEViewport *viewport = opaque;
199 DesignwarePCIERoot *root = viewport->root;
200
201 const uint8_t busnum = DESIGNWARE_PCIE_ATU_BUS(viewport->target);
202 const uint8_t devfn = DESIGNWARE_PCIE_ATU_DEVFN(viewport->target);
203 PCIBus *pcibus = pci_get_bus(PCI_DEVICE(root));
204 PCIDevice *pcidev = pci_find_device(pcibus, busnum, devfn);
205
206 if (pcidev) {
207 addr &= pci_config_size(pcidev) - 1;
208
209 if (val) {
210 pci_host_config_write_common(pcidev, addr,
211 pci_config_size(pcidev),
212 *val, len);
213 } else {
214 return pci_host_config_read_common(pcidev, addr,
215 pci_config_size(pcidev),
216 len);
217 }
218 }
219
220 return UINT64_MAX;
221}
222
223static uint64_t designware_pcie_root_data_read(void *opaque, hwaddr addr,
224 unsigned len)
225{
226 return designware_pcie_root_data_access(opaque, addr, NULL, len);
227}
228
229static void designware_pcie_root_data_write(void *opaque, hwaddr addr,
230 uint64_t val, unsigned len)
231{
232 designware_pcie_root_data_access(opaque, addr, &val, len);
233}
234
235static const MemoryRegionOps designware_pci_host_conf_ops = {
236 .read = designware_pcie_root_data_read,
237 .write = designware_pcie_root_data_write,
238 .endianness = DEVICE_LITTLE_ENDIAN,
239 .valid = {
240 .min_access_size = 1,
241 .max_access_size = 4,
242 },
243};
244
245static void designware_pcie_update_viewport(DesignwarePCIERoot *root,
246 DesignwarePCIEViewport *viewport)
247{
248 const uint64_t target = viewport->target;
249 const uint64_t base = viewport->base;
250 const uint64_t size = (uint64_t)viewport->limit - base + 1;
251 const bool enabled = viewport->cr[1] & DESIGNWARE_PCIE_ATU_ENABLE;
252
253 MemoryRegion *current, *other;
254
255 if (viewport->cr[0] == DESIGNWARE_PCIE_ATU_TYPE_MEM) {
256 current = &viewport->mem;
257 other = &viewport->cfg;
258 memory_region_set_alias_offset(current, target);
259 } else {
260 current = &viewport->cfg;
261 other = &viewport->mem;
262 }
263
264
265
266
267
268
269 memory_region_set_enabled(other, false);
270 if (enabled) {
271 memory_region_set_size(current, size);
272 memory_region_set_address(current, base);
273 }
274 memory_region_set_enabled(current, enabled);
275}
276
277static void designware_pcie_root_config_write(PCIDevice *d, uint32_t address,
278 uint32_t val, int len)
279{
280 DesignwarePCIERoot *root = DESIGNWARE_PCIE_ROOT(d);
281 DesignwarePCIEHost *host = designware_pcie_root_to_host(root);
282 DesignwarePCIEViewport *viewport =
283 designware_pcie_root_get_current_viewport(root);
284
285 switch (address) {
286 case DESIGNWARE_PCIE_PORT_LINK_CONTROL:
287 case DESIGNWARE_PCIE_LINK_WIDTH_SPEED_CONTROL:
288 case DESIGNWARE_PCIE_PHY_DEBUG_R1:
289
290 break;
291
292 case DESIGNWARE_PCIE_MSI_ADDR_LO:
293 root->msi.base &= 0xFFFFFFFF00000000ULL;
294 root->msi.base |= val;
295 designware_pcie_root_update_msi_mapping(root);
296 break;
297
298 case DESIGNWARE_PCIE_MSI_ADDR_HI:
299 root->msi.base &= 0x00000000FFFFFFFFULL;
300 root->msi.base |= (uint64_t)val << 32;
301 designware_pcie_root_update_msi_mapping(root);
302 break;
303
304 case DESIGNWARE_PCIE_MSI_INTR0_ENABLE:
305 root->msi.intr[0].enable = val;
306 designware_pcie_root_update_msi_mapping(root);
307 break;
308
309 case DESIGNWARE_PCIE_MSI_INTR0_MASK:
310 root->msi.intr[0].mask = val;
311 break;
312
313 case DESIGNWARE_PCIE_MSI_INTR0_STATUS:
314 root->msi.intr[0].status ^= val;
315 if (!root->msi.intr[0].status) {
316 qemu_set_irq(host->pci.irqs[DESIGNWARE_PCIE_IRQ_MSI], 0);
317 }
318 break;
319
320 case DESIGNWARE_PCIE_ATU_VIEWPORT:
321 root->atu_viewport = val;
322 break;
323
324 case DESIGNWARE_PCIE_ATU_LOWER_BASE:
325 viewport->base &= 0xFFFFFFFF00000000ULL;
326 viewport->base |= val;
327 break;
328
329 case DESIGNWARE_PCIE_ATU_UPPER_BASE:
330 viewport->base &= 0x00000000FFFFFFFFULL;
331 viewport->base |= (uint64_t)val << 32;
332 break;
333
334 case DESIGNWARE_PCIE_ATU_LOWER_TARGET:
335 viewport->target &= 0xFFFFFFFF00000000ULL;
336 viewport->target |= val;
337 break;
338
339 case DESIGNWARE_PCIE_ATU_UPPER_TARGET:
340 viewport->target &= 0x00000000FFFFFFFFULL;
341 viewport->target |= val;
342 break;
343
344 case DESIGNWARE_PCIE_ATU_LIMIT:
345 viewport->limit = val;
346 break;
347
348 case DESIGNWARE_PCIE_ATU_CR1:
349 viewport->cr[0] = val;
350 break;
351 case DESIGNWARE_PCIE_ATU_CR2:
352 viewport->cr[1] = val;
353 designware_pcie_update_viewport(root, viewport);
354 break;
355
356 default:
357 pci_bridge_write_config(d, address, val, len);
358 break;
359 }
360}
361
362static char *designware_pcie_viewport_name(const char *direction,
363 unsigned int i,
364 const char *type)
365{
366 return g_strdup_printf("PCI %s Viewport %u [%s]",
367 direction, i, type);
368}
369
370static void designware_pcie_root_realize(PCIDevice *dev, Error **errp)
371{
372 DesignwarePCIERoot *root = DESIGNWARE_PCIE_ROOT(dev);
373 DesignwarePCIEHost *host = designware_pcie_root_to_host(root);
374 MemoryRegion *address_space = &host->pci.memory;
375 PCIBridge *br = PCI_BRIDGE(dev);
376 DesignwarePCIEViewport *viewport;
377
378
379
380
381 const hwaddr dummy_offset = 0;
382 const uint64_t dummy_size = 4;
383 size_t i;
384
385 br->bus_name = "dw-pcie";
386
387 pci_set_word(dev->config + PCI_COMMAND,
388 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
389
390 pci_config_set_interrupt_pin(dev->config, 1);
391 pci_bridge_initfn(dev, TYPE_PCIE_BUS);
392
393 pcie_port_init_reg(dev);
394
395 pcie_cap_init(dev, 0x70, PCI_EXP_TYPE_ROOT_PORT,
396 0, &error_fatal);
397
398 msi_nonbroken = true;
399 msi_init(dev, 0x50, 32, true, true, &error_fatal);
400
401 for (i = 0; i < DESIGNWARE_PCIE_NUM_VIEWPORTS; i++) {
402 MemoryRegion *source, *destination, *mem;
403 const char *direction;
404 char *name;
405
406 viewport = &root->viewports[DESIGNWARE_PCIE_VIEWPORT_INBOUND][i];
407 viewport->inbound = true;
408 viewport->base = 0x0000000000000000ULL;
409 viewport->target = 0x0000000000000000ULL;
410 viewport->limit = UINT32_MAX;
411 viewport->cr[0] = DESIGNWARE_PCIE_ATU_TYPE_MEM;
412
413 source = &host->pci.address_space_root;
414 destination = get_system_memory();
415 direction = "Inbound";
416
417
418
419
420
421 mem = &viewport->mem;
422 name = designware_pcie_viewport_name(direction, i, "MEM");
423 memory_region_init_alias(mem, OBJECT(root), name, destination,
424 dummy_offset, dummy_size);
425 memory_region_add_subregion_overlap(source, dummy_offset, mem, -1);
426 memory_region_set_enabled(mem, false);
427 g_free(name);
428
429 viewport = &root->viewports[DESIGNWARE_PCIE_VIEWPORT_OUTBOUND][i];
430 viewport->root = root;
431 viewport->inbound = false;
432 viewport->base = 0x0000000000000000ULL;
433 viewport->target = 0x0000000000000000ULL;
434 viewport->limit = UINT32_MAX;
435 viewport->cr[0] = DESIGNWARE_PCIE_ATU_TYPE_MEM;
436
437 destination = &host->pci.memory;
438 direction = "Outbound";
439 source = get_system_memory();
440
441
442
443
444
445 mem = &viewport->mem;
446 name = designware_pcie_viewport_name(direction, i, "MEM");
447 memory_region_init_alias(mem, OBJECT(root), name, destination,
448 dummy_offset, dummy_size);
449 memory_region_add_subregion(source, dummy_offset, mem);
450 memory_region_set_enabled(mem, false);
451 g_free(name);
452
453
454
455
456
457 mem = &viewport->cfg;
458 name = designware_pcie_viewport_name(direction, i, "CFG");
459 memory_region_init_io(&viewport->cfg, OBJECT(root),
460 &designware_pci_host_conf_ops,
461 viewport, name, dummy_size);
462 memory_region_add_subregion(source, dummy_offset, mem);
463 memory_region_set_enabled(mem, false);
464 g_free(name);
465 }
466
467
468
469
470
471
472
473
474
475
476 viewport = &root->viewports[DESIGNWARE_PCIE_VIEWPORT_INBOUND][0];
477 viewport->cr[1] = DESIGNWARE_PCIE_ATU_ENABLE;
478 designware_pcie_update_viewport(root, viewport);
479
480 memory_region_init_io(&root->msi.iomem, OBJECT(root),
481 &designware_pci_host_msi_ops,
482 root, "pcie-msi", 0x4);
483
484
485
486
487
488
489 memory_region_add_subregion(address_space, dummy_offset, &root->msi.iomem);
490 memory_region_set_enabled(&root->msi.iomem, false);
491}
492
493static void designware_pcie_set_irq(void *opaque, int irq_num, int level)
494{
495 DesignwarePCIEHost *host = DESIGNWARE_PCIE_HOST(opaque);
496
497 qemu_set_irq(host->pci.irqs[irq_num], level);
498}
499
500static const char *
501designware_pcie_host_root_bus_path(PCIHostState *host_bridge, PCIBus *rootbus)
502{
503 return "0000:00";
504}
505
506static const VMStateDescription vmstate_designware_pcie_msi_bank = {
507 .name = "designware-pcie-msi-bank",
508 .version_id = 1,
509 .minimum_version_id = 1,
510 .fields = (VMStateField[]) {
511 VMSTATE_UINT32(enable, DesignwarePCIEMSIBank),
512 VMSTATE_UINT32(mask, DesignwarePCIEMSIBank),
513 VMSTATE_UINT32(status, DesignwarePCIEMSIBank),
514 VMSTATE_END_OF_LIST()
515 }
516};
517
518static const VMStateDescription vmstate_designware_pcie_msi = {
519 .name = "designware-pcie-msi",
520 .version_id = 1,
521 .minimum_version_id = 1,
522 .fields = (VMStateField[]) {
523 VMSTATE_UINT64(base, DesignwarePCIEMSI),
524 VMSTATE_STRUCT_ARRAY(intr,
525 DesignwarePCIEMSI,
526 DESIGNWARE_PCIE_NUM_MSI_BANKS,
527 1,
528 vmstate_designware_pcie_msi_bank,
529 DesignwarePCIEMSIBank),
530 VMSTATE_END_OF_LIST()
531 }
532};
533
534static const VMStateDescription vmstate_designware_pcie_viewport = {
535 .name = "designware-pcie-viewport",
536 .version_id = 1,
537 .minimum_version_id = 1,
538 .fields = (VMStateField[]) {
539 VMSTATE_UINT64(base, DesignwarePCIEViewport),
540 VMSTATE_UINT64(target, DesignwarePCIEViewport),
541 VMSTATE_UINT32(limit, DesignwarePCIEViewport),
542 VMSTATE_UINT32_ARRAY(cr, DesignwarePCIEViewport, 2),
543 VMSTATE_END_OF_LIST()
544 }
545};
546
547static const VMStateDescription vmstate_designware_pcie_root = {
548 .name = "designware-pcie-root",
549 .version_id = 1,
550 .minimum_version_id = 1,
551 .fields = (VMStateField[]) {
552 VMSTATE_PCI_DEVICE(parent_obj, PCIBridge),
553 VMSTATE_UINT32(atu_viewport, DesignwarePCIERoot),
554 VMSTATE_STRUCT_2DARRAY(viewports,
555 DesignwarePCIERoot,
556 2,
557 DESIGNWARE_PCIE_NUM_VIEWPORTS,
558 1,
559 vmstate_designware_pcie_viewport,
560 DesignwarePCIEViewport),
561 VMSTATE_STRUCT(msi,
562 DesignwarePCIERoot,
563 1,
564 vmstate_designware_pcie_msi,
565 DesignwarePCIEMSI),
566 VMSTATE_END_OF_LIST()
567 }
568};
569
570static void designware_pcie_root_class_init(ObjectClass *klass, void *data)
571{
572 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
573 DeviceClass *dc = DEVICE_CLASS(klass);
574
575 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
576
577 k->vendor_id = PCI_VENDOR_ID_SYNOPSYS;
578 k->device_id = 0xABCD;
579 k->revision = 0;
580 k->class_id = PCI_CLASS_BRIDGE_PCI;
581 k->is_bridge = true;
582 k->exit = pci_bridge_exitfn;
583 k->realize = designware_pcie_root_realize;
584 k->config_read = designware_pcie_root_config_read;
585 k->config_write = designware_pcie_root_config_write;
586
587 dc->reset = pci_bridge_reset;
588
589
590
591
592 dc->user_creatable = false;
593 dc->vmsd = &vmstate_designware_pcie_root;
594}
595
596static uint64_t designware_pcie_host_mmio_read(void *opaque, hwaddr addr,
597 unsigned int size)
598{
599 PCIHostState *pci = PCI_HOST_BRIDGE(opaque);
600 PCIDevice *device = pci_find_device(pci->bus, 0, 0);
601
602 return pci_host_config_read_common(device,
603 addr,
604 pci_config_size(device),
605 size);
606}
607
608static void designware_pcie_host_mmio_write(void *opaque, hwaddr addr,
609 uint64_t val, unsigned int size)
610{
611 PCIHostState *pci = PCI_HOST_BRIDGE(opaque);
612 PCIDevice *device = pci_find_device(pci->bus, 0, 0);
613
614 return pci_host_config_write_common(device,
615 addr,
616 pci_config_size(device),
617 val, size);
618}
619
620static const MemoryRegionOps designware_pci_mmio_ops = {
621 .read = designware_pcie_host_mmio_read,
622 .write = designware_pcie_host_mmio_write,
623 .endianness = DEVICE_LITTLE_ENDIAN,
624 .impl = {
625
626
627
628
629
630
631 .min_access_size = 4,
632 .max_access_size = 4,
633 .unaligned = false,
634 },
635};
636
637static AddressSpace *designware_pcie_host_set_iommu(PCIBus *bus, void *opaque,
638 int devfn)
639{
640 DesignwarePCIEHost *s = DESIGNWARE_PCIE_HOST(opaque);
641
642 return &s->pci.address_space;
643}
644
645static void designware_pcie_host_realize(DeviceState *dev, Error **errp)
646{
647 PCIHostState *pci = PCI_HOST_BRIDGE(dev);
648 DesignwarePCIEHost *s = DESIGNWARE_PCIE_HOST(dev);
649 SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
650 size_t i;
651
652 for (i = 0; i < ARRAY_SIZE(s->pci.irqs); i++) {
653 sysbus_init_irq(sbd, &s->pci.irqs[i]);
654 }
655
656 memory_region_init_io(&s->mmio,
657 OBJECT(s),
658 &designware_pci_mmio_ops,
659 s,
660 "pcie.reg", 4 * 1024);
661 sysbus_init_mmio(sbd, &s->mmio);
662
663 memory_region_init(&s->pci.io, OBJECT(s), "pcie-pio", 16);
664 memory_region_init(&s->pci.memory, OBJECT(s),
665 "pcie-bus-memory",
666 UINT64_MAX);
667
668 pci->bus = pci_register_root_bus(dev, "pcie",
669 designware_pcie_set_irq,
670 pci_swizzle_map_irq_fn,
671 s,
672 &s->pci.memory,
673 &s->pci.io,
674 0, 4,
675 TYPE_PCIE_BUS);
676
677 memory_region_init(&s->pci.address_space_root,
678 OBJECT(s),
679 "pcie-bus-address-space-root",
680 UINT64_MAX);
681 memory_region_add_subregion(&s->pci.address_space_root,
682 0x0, &s->pci.memory);
683 address_space_init(&s->pci.address_space,
684 &s->pci.address_space_root,
685 "pcie-bus-address-space");
686 pci_setup_iommu(pci->bus, designware_pcie_host_set_iommu, s);
687
688 qdev_set_parent_bus(DEVICE(&s->root), BUS(pci->bus));
689 qdev_init_nofail(DEVICE(&s->root));
690}
691
692static const VMStateDescription vmstate_designware_pcie_host = {
693 .name = "designware-pcie-host",
694 .version_id = 1,
695 .minimum_version_id = 1,
696 .fields = (VMStateField[]) {
697 VMSTATE_STRUCT(root,
698 DesignwarePCIEHost,
699 1,
700 vmstate_designware_pcie_root,
701 DesignwarePCIERoot),
702 VMSTATE_END_OF_LIST()
703 }
704};
705
706static void designware_pcie_host_class_init(ObjectClass *klass, void *data)
707{
708 DeviceClass *dc = DEVICE_CLASS(klass);
709 PCIHostBridgeClass *hc = PCI_HOST_BRIDGE_CLASS(klass);
710
711 hc->root_bus_path = designware_pcie_host_root_bus_path;
712 dc->realize = designware_pcie_host_realize;
713 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
714 dc->fw_name = "pci";
715 dc->vmsd = &vmstate_designware_pcie_host;
716}
717
718static void designware_pcie_host_init(Object *obj)
719{
720 DesignwarePCIEHost *s = DESIGNWARE_PCIE_HOST(obj);
721 DesignwarePCIERoot *root = &s->root;
722
723 object_initialize_child(obj, "root", root, sizeof(*root),
724 TYPE_DESIGNWARE_PCIE_ROOT, &error_abort, NULL);
725 qdev_prop_set_int32(DEVICE(root), "addr", PCI_DEVFN(0, 0));
726 qdev_prop_set_bit(DEVICE(root), "multifunction", false);
727}
728
729static const TypeInfo designware_pcie_root_info = {
730 .name = TYPE_DESIGNWARE_PCIE_ROOT,
731 .parent = TYPE_PCI_BRIDGE,
732 .instance_size = sizeof(DesignwarePCIERoot),
733 .class_init = designware_pcie_root_class_init,
734 .interfaces = (InterfaceInfo[]) {
735 { INTERFACE_PCIE_DEVICE },
736 { }
737 },
738};
739
740static const TypeInfo designware_pcie_host_info = {
741 .name = TYPE_DESIGNWARE_PCIE_HOST,
742 .parent = TYPE_PCI_HOST_BRIDGE,
743 .instance_size = sizeof(DesignwarePCIEHost),
744 .instance_init = designware_pcie_host_init,
745 .class_init = designware_pcie_host_class_init,
746};
747
748static void designware_pcie_register(void)
749{
750 type_register_static(&designware_pcie_root_info);
751 type_register_static(&designware_pcie_host_info);
752}
753type_init(designware_pcie_register)
754