2 * Copyright (C) 2010 Nathan Whitehorn
3 * Copyright (C) 2011 glevand (geoffrey.levand@mail.ru)
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
34 #include <sys/malloc.h>
36 #include <sys/clock.h>
38 #include <sys/resource.h>
44 #include <machine/bus.h>
45 #include <machine/platform.h>
46 #include <machine/pmap.h>
47 #include <machine/resource.h>
50 #include "ps3-hvcall.h"
54 static void ps3bus_identify(driver_t *, device_t);
55 static int ps3bus_probe(device_t);
56 static int ps3bus_attach(device_t);
57 static int ps3bus_print_child(device_t dev, device_t child);
58 static int ps3bus_read_ivar(device_t bus, device_t child, int which,
60 static struct resource *ps3bus_alloc_resource(device_t bus, device_t child,
61 int type, int *rid, u_long start, u_long end,
62 u_long count, u_int flags);
63 static int ps3bus_activate_resource(device_t bus, device_t child, int type,
64 int rid, struct resource *res);
65 static bus_dma_tag_t ps3bus_get_dma_tag(device_t dev, device_t child);
66 static int ps3_iommu_map(device_t dev, bus_dma_segment_t *segs, int *nsegs, bus_addr_t min, bus_addr_t max, bus_size_t alignment,
67 bus_addr_t boundary, void *cookie);
68 static int ps3_iommu_unmap(device_t dev, bus_dma_segment_t *segs,
69 int nsegs, void *cookie);
70 static int ps3_gettime(device_t dev, struct timespec *ts);
71 static int ps3_settime(device_t dev, struct timespec *ts);
73 struct ps3bus_devinfo {
81 struct resource_list resources;
82 bus_dma_tag_t dma_tag;
85 bus_addr_t dma_base[4];
88 static MALLOC_DEFINE(M_PS3BUS, "ps3bus", "PS3 system bus device information");
90 enum ps3bus_irq_type {
96 enum ps3bus_reg_type {
101 static device_method_t ps3bus_methods[] = {
102 /* Device interface */
103 DEVMETHOD(device_identify, ps3bus_identify),
104 DEVMETHOD(device_probe, ps3bus_probe),
105 DEVMETHOD(device_attach, ps3bus_attach),
108 DEVMETHOD(bus_add_child, bus_generic_add_child),
109 DEVMETHOD(bus_get_dma_tag, ps3bus_get_dma_tag),
110 DEVMETHOD(bus_print_child, ps3bus_print_child),
111 DEVMETHOD(bus_read_ivar, ps3bus_read_ivar),
112 DEVMETHOD(bus_alloc_resource, ps3bus_alloc_resource),
113 DEVMETHOD(bus_activate_resource, ps3bus_activate_resource),
114 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
115 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
117 /* IOMMU interface */
118 DEVMETHOD(iommu_map, ps3_iommu_map),
119 DEVMETHOD(iommu_unmap, ps3_iommu_unmap),
121 /* Clock interface */
122 DEVMETHOD(clock_gettime, ps3_gettime),
123 DEVMETHOD(clock_settime, ps3_settime),
128 struct ps3bus_softc {
129 struct rman sc_mem_rman;
130 struct rman sc_intr_rman;
131 struct mem_region *regions;
135 static driver_t ps3bus_driver = {
138 sizeof(struct ps3bus_softc)
141 static devclass_t ps3bus_devclass;
143 DRIVER_MODULE(ps3bus, nexus, ps3bus_driver, ps3bus_devclass, 0, 0);
146 ps3bus_identify(driver_t *driver, device_t parent)
148 if (strcmp(installed_platform(), "ps3") != 0)
151 if (device_find_child(parent, "ps3bus", -1) == NULL)
152 BUS_ADD_CHILD(parent, 0, "ps3bus", 0);
156 ps3bus_probe(device_t dev)
158 /* Do not attach to any OF nodes that may be present */
160 device_set_desc(dev, "Playstation 3 System Bus");
162 return (BUS_PROBE_NOWILDCARD);
166 ps3bus_resources_init(struct rman *rm, int bus_index, int dev_index,
167 struct ps3bus_devinfo *dinfo)
169 uint64_t irq_type, irq, outlet;
170 uint64_t reg_type, paddr, len;
175 resource_list_init(&dinfo->resources);
177 lv1_get_logical_ppe_id(&ppe);
178 thread = 32 - fls(mfctrl());
180 /* Scan for interrupts */
181 for (i = 0; i < 10; i++) {
182 result = lv1_get_repository_node_value(PS3_LPAR_ID_PME,
183 (lv1_repository_string("bus") >> 32) | bus_index,
184 lv1_repository_string("dev") | dev_index,
185 lv1_repository_string("intr") | i, 0, &irq_type, &irq);
192 lv1_construct_event_receive_port(&outlet);
193 lv1_connect_irq_plug_ext(ppe, thread, outlet, outlet,
195 lv1_connect_interrupt_event_receive_port(dinfo->bus,
196 dinfo->dev, outlet, irq);
200 lv1_construct_io_irq_outlet(irq, &outlet);
201 lv1_connect_irq_plug_ext(ppe, thread, outlet, outlet,
205 printf("Unknown IRQ type %ld for device %d.%d\n",
206 irq_type, dinfo->bus, dinfo->dev);
210 resource_list_add(&dinfo->resources, SYS_RES_IRQ, i,
214 /* Scan for registers */
215 for (i = 0; i < 10; i++) {
216 result = lv1_get_repository_node_value(PS3_LPAR_ID_PME,
217 (lv1_repository_string("bus") >> 32) | bus_index,
218 lv1_repository_string("dev") | dev_index,
219 lv1_repository_string("reg") | i,
220 lv1_repository_string("type"), ®_type, &junk);
225 result = lv1_get_repository_node_value(PS3_LPAR_ID_PME,
226 (lv1_repository_string("bus") >> 32) | bus_index,
227 lv1_repository_string("dev") | dev_index,
228 lv1_repository_string("reg") | i,
229 lv1_repository_string("data"), &paddr, &len);
231 result = lv1_map_device_mmio_region(dinfo->bus, dinfo->dev,
232 paddr, len, 12 /* log_2(4 KB) */, &paddr);
235 printf("Mapping registers failed for device "
236 "%d.%d (%ld.%ld): %d\n", dinfo->bus, dinfo->dev,
237 dinfo->bustype, dinfo->devtype, result);
241 rman_manage_region(rm, paddr, paddr + len - 1);
242 resource_list_add(&dinfo->resources, SYS_RES_MEMORY, i,
243 paddr, paddr + len, len);
248 ps3bus_resources_init_by_type(struct rman *rm, int bus_index, int dev_index,
249 uint64_t irq_type, uint64_t reg_type, struct ps3bus_devinfo *dinfo)
251 uint64_t _irq_type, irq, outlet;
252 uint64_t _reg_type, paddr, len;
257 resource_list_init(&dinfo->resources);
259 lv1_get_logical_ppe_id(&ppe);
260 thread = 32 - fls(mfctrl());
262 /* Scan for interrupts */
263 for (i = 0; i < 10; i++) {
264 result = lv1_get_repository_node_value(PS3_LPAR_ID_PME,
265 (lv1_repository_string("bus") >> 32) | bus_index,
266 lv1_repository_string("dev") | dev_index,
267 lv1_repository_string("intr") | i, 0, &_irq_type, &irq);
272 if (_irq_type != irq_type)
275 lv1_construct_io_irq_outlet(irq, &outlet);
276 lv1_connect_irq_plug_ext(ppe, thread, outlet, outlet,
278 resource_list_add(&dinfo->resources, SYS_RES_IRQ, i,
282 /* Scan for registers */
283 for (i = 0; i < 10; i++) {
284 result = lv1_get_repository_node_value(PS3_LPAR_ID_PME,
285 (lv1_repository_string("bus") >> 32) | bus_index,
286 lv1_repository_string("dev") | dev_index,
287 lv1_repository_string("reg") | i,
288 lv1_repository_string("type"), &_reg_type, &junk);
293 if (_reg_type != reg_type)
296 result = lv1_get_repository_node_value(PS3_LPAR_ID_PME,
297 (lv1_repository_string("bus") >> 32) | bus_index,
298 lv1_repository_string("dev") | dev_index,
299 lv1_repository_string("reg") | i,
300 lv1_repository_string("data"), &paddr, &len);
302 result = lv1_map_device_mmio_region(dinfo->bus, dinfo->dev,
303 paddr, len, 12 /* log_2(4 KB) */, &paddr);
306 printf("Mapping registers failed for device "
307 "%d.%d (%ld.%ld): %d\n", dinfo->bus, dinfo->dev,
308 dinfo->bustype, dinfo->devtype, result);
312 rman_manage_region(rm, paddr, paddr + len - 1);
313 resource_list_add(&dinfo->resources, SYS_RES_MEMORY, i,
314 paddr, paddr + len, len);
319 ps3bus_attach(device_t self)
321 struct ps3bus_softc *sc;
322 struct ps3bus_devinfo *dinfo;
323 int bus_index, dev_index, result;
324 uint64_t bustype, bus, devs;
325 uint64_t dev, devtype;
329 sc = device_get_softc(self);
330 sc->sc_mem_rman.rm_type = RMAN_ARRAY;
331 sc->sc_mem_rman.rm_descr = "PS3Bus Memory Mapped I/O";
332 sc->sc_intr_rman.rm_type = RMAN_ARRAY;
333 sc->sc_intr_rman.rm_descr = "PS3Bus Interrupts";
334 rman_init(&sc->sc_mem_rman);
335 rman_init(&sc->sc_intr_rman);
336 rman_manage_region(&sc->sc_intr_rman, 0, ~0);
338 /* Get memory regions for DMA */
339 mem_regions(&sc->regions, &sc->rcount, &sc->regions, &sc->rcount);
342 * Probe all the PS3's buses.
345 for (bus_index = 0; bus_index < 5; bus_index++) {
346 result = lv1_get_repository_node_value(PS3_LPAR_ID_PME,
347 (lv1_repository_string("bus") >> 32) | bus_index,
348 lv1_repository_string("type"), 0, 0, &bustype, &junk);
353 result = lv1_get_repository_node_value(PS3_LPAR_ID_PME,
354 (lv1_repository_string("bus") >> 32) | bus_index,
355 lv1_repository_string("id"), 0, 0, &bus, &junk);
360 result = lv1_get_repository_node_value(PS3_LPAR_ID_PME,
361 (lv1_repository_string("bus") >> 32) | bus_index,
362 lv1_repository_string("num_dev"), 0, 0, &devs, &junk);
364 for (dev_index = 0; dev_index < devs; dev_index++) {
365 result = lv1_get_repository_node_value(PS3_LPAR_ID_PME,
366 (lv1_repository_string("bus") >> 32) | bus_index,
367 lv1_repository_string("dev") | dev_index,
368 lv1_repository_string("type"), 0, &devtype, &junk);
373 result = lv1_get_repository_node_value(PS3_LPAR_ID_PME,
374 (lv1_repository_string("bus") >> 32) | bus_index,
375 lv1_repository_string("dev") | dev_index,
376 lv1_repository_string("id"), 0, &dev, &junk);
382 case PS3_DEVTYPE_USB:
383 /* USB device has OHCI and EHCI USB host controllers */
385 lv1_open_device(bus, dev, 0);
387 /* OHCI host controller */
389 dinfo = malloc(sizeof(*dinfo), M_PS3BUS,
394 dinfo->bustype = bustype;
395 dinfo->devtype = devtype;
396 dinfo->busidx = bus_index;
397 dinfo->devidx = dev_index;
399 ps3bus_resources_init_by_type(&sc->sc_mem_rman, bus_index,
400 dev_index, OHCI_IRQ, OHCI_REG, dinfo);
402 cdev = device_add_child(self, "ohci", -1);
405 "device_add_child failed\n");
406 free(dinfo, M_PS3BUS);
410 mtx_init(&dinfo->iommu_mtx, "iommu", NULL, MTX_DEF);
411 device_set_ivars(cdev, dinfo);
413 /* EHCI host controller */
415 dinfo = malloc(sizeof(*dinfo), M_PS3BUS,
420 dinfo->bustype = bustype;
421 dinfo->devtype = devtype;
422 dinfo->busidx = bus_index;
423 dinfo->devidx = dev_index;
425 ps3bus_resources_init_by_type(&sc->sc_mem_rman, bus_index,
426 dev_index, EHCI_IRQ, EHCI_REG, dinfo);
428 cdev = device_add_child(self, "ehci", -1);
431 "device_add_child failed\n");
432 free(dinfo, M_PS3BUS);
436 mtx_init(&dinfo->iommu_mtx, "iommu", NULL, MTX_DEF);
437 device_set_ivars(cdev, dinfo);
440 dinfo = malloc(sizeof(*dinfo), M_PS3BUS,
445 dinfo->bustype = bustype;
446 dinfo->devtype = devtype;
447 dinfo->busidx = bus_index;
448 dinfo->devidx = dev_index;
450 if (dinfo->bustype == PS3_BUSTYPE_SYSBUS ||
451 dinfo->bustype == PS3_BUSTYPE_STORAGE)
452 lv1_open_device(bus, dev, 0);
454 ps3bus_resources_init(&sc->sc_mem_rman, bus_index,
457 cdev = device_add_child(self, NULL, -1);
460 "device_add_child failed\n");
461 free(dinfo, M_PS3BUS);
465 mtx_init(&dinfo->iommu_mtx, "iommu", NULL, MTX_DEF);
466 device_set_ivars(cdev, dinfo);
471 clock_register(self, 1000);
473 return (bus_generic_attach(self));
477 ps3bus_print_child(device_t dev, device_t child)
479 struct ps3bus_devinfo *dinfo = device_get_ivars(child);
482 retval += bus_print_child_header(dev, child);
483 retval += resource_list_print_type(&dinfo->resources, "mem",
484 SYS_RES_MEMORY, "%#lx");
485 retval += resource_list_print_type(&dinfo->resources, "irq",
488 retval += bus_print_child_footer(dev, child);
494 ps3bus_read_ivar(device_t bus, device_t child, int which, uintptr_t *result)
496 struct ps3bus_devinfo *dinfo = device_get_ivars(child);
499 case PS3BUS_IVAR_BUS:
500 *result = dinfo->bus;
502 case PS3BUS_IVAR_DEVICE:
503 *result = dinfo->dev;
505 case PS3BUS_IVAR_BUSTYPE:
506 *result = dinfo->bustype;
508 case PS3BUS_IVAR_DEVTYPE:
509 *result = dinfo->devtype;
511 case PS3BUS_IVAR_BUSIDX:
512 *result = dinfo->busidx;
514 case PS3BUS_IVAR_DEVIDX:
515 *result = dinfo->devidx;
524 static struct resource *
525 ps3bus_alloc_resource(device_t bus, device_t child, int type, int *rid,
526 u_long start, u_long end, u_long count, u_int flags)
528 struct ps3bus_devinfo *dinfo;
529 struct ps3bus_softc *sc;
533 u_long adjstart, adjend, adjcount;
534 struct resource_list_entry *rle;
536 sc = device_get_softc(bus);
537 dinfo = device_get_ivars(child);
538 needactivate = flags & RF_ACTIVE;
543 rle = resource_list_find(&dinfo->resources, SYS_RES_MEMORY,
546 device_printf(bus, "no rle for %s memory %d\n",
547 device_get_nameunit(child), *rid);
551 if (start < rle->start)
552 adjstart = rle->start;
553 else if (start > rle->end)
558 if (end < rle->start)
560 else if (end > rle->end)
565 adjcount = adjend - adjstart;
567 rm = &sc->sc_mem_rman;
570 rle = resource_list_find(&dinfo->resources, SYS_RES_IRQ,
572 rm = &sc->sc_intr_rman;
573 adjstart = rle->start;
574 adjcount = ulmax(count, rle->count);
575 adjend = ulmax(rle->end, rle->start + adjcount - 1);
578 device_printf(bus, "unknown resource request from %s\n",
579 device_get_nameunit(child));
583 rv = rman_reserve_resource(rm, adjstart, adjend, adjcount, flags,
587 "failed to reserve resource %#lx - %#lx (%#lx)"
588 " for %s\n", adjstart, adjend, adjcount,
589 device_get_nameunit(child));
593 rman_set_rid(rv, *rid);
596 if (bus_activate_resource(child, type, *rid, rv) != 0) {
598 "failed to activate resource for %s\n",
599 device_get_nameunit(child));
600 rman_release_resource(rv);
609 ps3bus_activate_resource(device_t bus, device_t child, int type, int rid,
610 struct resource *res)
614 if (type == SYS_RES_IRQ)
615 return (bus_activate_resource(bus, type, rid, res));
617 if (type == SYS_RES_MEMORY) {
620 start = (vm_offset_t) rman_get_start(res);
623 printf("ps3 mapdev: start %zx, len %ld\n", start,
626 p = pmap_mapdev(start, (vm_size_t) rman_get_size(res));
629 rman_set_virtual(res, p);
630 rman_set_bustag(res, &bs_be_tag);
631 rman_set_bushandle(res, (u_long)p);
634 return (rman_activate_resource(res));
638 ps3bus_get_dma_tag(device_t dev, device_t child)
640 struct ps3bus_devinfo *dinfo = device_get_ivars(child);
641 struct ps3bus_softc *sc = device_get_softc(dev);
642 int i, err, flags, pagesize;
644 if (dinfo->bustype != PS3_BUSTYPE_SYSBUS &&
645 dinfo->bustype != PS3_BUSTYPE_STORAGE)
646 return (bus_get_dma_tag(dev));
648 mtx_lock(&dinfo->iommu_mtx);
649 if (dinfo->dma_tag != NULL) {
650 mtx_unlock(&dinfo->iommu_mtx);
651 return (dinfo->dma_tag);
654 flags = 0; /* 32-bit mode */
655 if (dinfo->bustype == PS3_BUSTYPE_SYSBUS &&
656 dinfo->devtype == PS3_DEVTYPE_USB)
657 flags = 2; /* 8-bit mode */
659 pagesize = 24; /* log_2(16 MB) */
660 if (dinfo->bustype == PS3_BUSTYPE_STORAGE)
661 pagesize = 12; /* 4 KB */
663 for (i = 0; i < sc->rcount; i++) {
664 err = lv1_allocate_device_dma_region(dinfo->bus, dinfo->dev,
665 sc->regions[i].mr_size, pagesize, flags,
666 &dinfo->dma_base[i]);
669 "could not allocate DMA region %d: %d\n", i, err);
673 err = lv1_map_device_dma_region(dinfo->bus, dinfo->dev,
674 sc->regions[i].mr_start, dinfo->dma_base[i],
675 sc->regions[i].mr_size,
676 0xf800000000000800UL /* Cell Handbook Figure 7.3.4.1 */);
679 "could not map DMA region %d: %d\n", i, err);
684 err = bus_dma_tag_create(bus_get_dma_tag(dev),
685 1, 0, BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
686 NULL, NULL, BUS_SPACE_MAXSIZE, 0, BUS_SPACE_MAXSIZE,
687 0, NULL, NULL, &dinfo->dma_tag);
690 * Note: storage devices have IOMMU mappings set up by the hypervisor,
691 * but use physical, non-translated addresses. The above IOMMU
692 * initialization is necessary for the hypervisor to be able to set up
693 * the mappings, but actual DMA mappings should not use the IOMMU
696 if (dinfo->bustype != PS3_BUSTYPE_STORAGE)
697 bus_dma_tag_set_iommu(dinfo->dma_tag, dev, dinfo);
700 mtx_unlock(&dinfo->iommu_mtx);
705 return (dinfo->dma_tag);
709 ps3_iommu_map(device_t dev, bus_dma_segment_t *segs, int *nsegs,
710 bus_addr_t min, bus_addr_t max, bus_size_t alignment, bus_addr_t boundary,
713 struct ps3bus_devinfo *dinfo = cookie;
714 struct ps3bus_softc *sc = device_get_softc(dev);
717 for (i = 0; i < *nsegs; i++) {
718 for (j = 0; j < sc->rcount; j++) {
719 if (segs[i].ds_addr >= sc->regions[j].mr_start &&
720 segs[i].ds_addr < sc->regions[j].mr_start +
721 sc->regions[j].mr_size)
724 KASSERT(j < sc->rcount,
725 ("Trying to map address %#lx not in physical memory",
728 segs[i].ds_addr = dinfo->dma_base[j] +
729 (segs[i].ds_addr - sc->regions[j].mr_start);
736 ps3_iommu_unmap(device_t dev, bus_dma_segment_t *segs, int nsegs, void *cookie)
742 #define Y2K 946684800
745 ps3_gettime(device_t dev, struct timespec *ts)
750 result = lv1_get_rtc(&rtc, &tb);
754 ts->tv_sec = rtc + Y2K;
760 ps3_settime(device_t dev, struct timespec *ts)