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1 /*-
2  * Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
3  * Copyright (c) 2011, Luiz Otavio O Souza.
4  * Copyright (c) 2015, Adrian Chadd <adrian@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice unmodified, this list of conditions, and the following
12  *    disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 #include "opt_ar71xx.h"
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37
38 #include <sys/bus.h>
39 #include <sys/interrupt.h>
40 #include <sys/malloc.h>
41 #include <sys/kernel.h>
42 #include <sys/module.h>
43 #include <sys/rman.h>
44
45 #include <vm/vm.h>
46 #include <vm/pmap.h>
47 #include <vm/vm_extern.h>
48
49 #include <machine/bus.h>
50 #include <machine/cpu.h>
51 #include <machine/intr_machdep.h>
52
53 #include <dev/pci/pcivar.h>
54 #include <dev/pci/pcireg.h>
55
56 #include <dev/pci/pcib_private.h>
57 #include "pcib_if.h"
58
59 #include <mips/atheros/ar71xxreg.h> /* XXX aim to eliminate this! */
60 #include <mips/atheros/qca955xreg.h>
61 #include <mips/atheros/ar71xx_setup.h>
62 #include <mips/atheros/ar71xx_pci_bus_space.h>
63
64 #include <mips/atheros/ar71xx_cpudef.h>
65
66 #undef  AR724X_PCI_DEBUG
67 //#define AR724X_PCI_DEBUG
68 #ifdef AR724X_PCI_DEBUG
69 #define dprintf printf
70 #else
71 #define dprintf(x, arg...)
72 #endif
73
74 /*
75  * This is a PCI controller for the QCA955x and later SoCs.
76  * It needs to be aware of >1 PCIe host endpoints.
77  *
78  * XXX TODO; it may be nice to merge this with ar724x_pci.c;
79  * they're very similar.
80  */
81 struct ar71xx_pci_irq {
82         struct ar71xx_pci_softc *sc;
83         int irq;
84 };
85
86 struct ar71xx_pci_softc {
87         device_t                sc_dev;
88
89         int                     sc_busno;
90         struct rman             sc_mem_rman;
91         struct rman             sc_irq_rman;
92
93         uint32_t                sc_pci_reg_base;        /* XXX until bus stuff is done */
94         uint32_t                sc_pci_crp_base;        /* XXX until bus stuff is done */
95         uint32_t                sc_pci_ctrl_base;       /* XXX until bus stuff is done */
96         uint32_t                sc_pci_mem_base;        /* XXX until bus stuff is done */
97         uint32_t                sc_pci_membase_limit;
98
99         struct intr_event       *sc_eventstab[AR71XX_PCI_NIRQS];
100         mips_intrcnt_t          sc_intr_counter[AR71XX_PCI_NIRQS];
101         struct ar71xx_pci_irq   sc_pci_irq[AR71XX_PCI_NIRQS];
102         struct resource         *sc_irq;
103         void                    *sc_ih;
104 };
105
106 static int qca955x_pci_setup_intr(device_t, device_t, struct resource *, int, 
107                     driver_filter_t *, driver_intr_t *, void *, void **);
108 static int qca955x_pci_teardown_intr(device_t, device_t, struct resource *,
109                     void *);
110 static int qca955x_pci_intr(void *);
111
112 static void
113 qca955x_pci_write(uint32_t reg, uint32_t offset, uint32_t data, int bytes)
114 {
115         uint32_t val, mask, shift;
116
117         /* Register access is 32-bit aligned */
118         shift = (offset & 3) * 8;
119         if (bytes % 4)
120                 mask = (1 << (bytes * 8)) - 1;
121         else
122                 mask = 0xffffffff;
123
124         val = ATH_READ_REG(reg + (offset & ~3));
125         val &= ~(mask << shift);
126         val |= ((data & mask) << shift);
127         ATH_WRITE_REG(reg + (offset & ~3), val);
128
129         dprintf("%s: %#x/%#x addr=%#x, data=%#x(%#x), bytes=%d\n", __func__, 
130             reg, reg + (offset & ~3), offset, data, val, bytes);
131 }
132
133 static uint32_t
134 qca955x_pci_read_config(device_t dev, u_int bus, u_int slot, u_int func, 
135     u_int reg, int bytes)
136 {
137         struct ar71xx_pci_softc *sc = device_get_softc(dev);
138         uint32_t data, shift, mask;
139
140         /* Register access is 32-bit aligned */
141         shift = (reg & 3) * 8;
142
143         /* Create a mask based on the width, post-shift */
144         if (bytes == 2)
145                 mask = 0xffff;
146         else if (bytes == 1)
147                 mask = 0xff;
148         else
149                 mask = 0xffffffff;
150
151         dprintf("%s: tag (%x, %x, %x) reg %d(%d)\n", __func__, bus, slot,
152             func, reg, bytes);
153
154         if ((bus == 0) && (slot == 0) && (func == 0))
155                 data = ATH_READ_REG(sc->sc_pci_reg_base + (reg & ~3));
156         else
157                 data = -1;
158
159         /* Get request bytes from 32-bit word */
160         data = (data >> shift) & mask;
161
162         dprintf("%s: read 0x%x\n", __func__, data);
163
164         return (data);
165 }
166
167 static void
168 qca955x_pci_write_config(device_t dev, u_int bus, u_int slot, u_int func,
169     u_int reg, uint32_t data, int bytes)
170 {
171         struct ar71xx_pci_softc *sc = device_get_softc(dev);
172
173         dprintf("%s: tag (%x, %x, %x) reg %d(%d): %x\n", __func__, bus, slot, 
174             func, reg, bytes, data);
175
176         if ((bus != 0) || (slot != 0) || (func != 0))
177                 return;
178
179         qca955x_pci_write(sc->sc_pci_reg_base, reg, data, bytes);
180 }
181
182 static void
183 qca955x_pci_mask_irq(void *source)
184 {
185         uint32_t reg;
186         struct ar71xx_pci_irq *pirq = source;
187         struct ar71xx_pci_softc *sc = pirq->sc;
188
189         /* XXX - Only one interrupt ? Only one device ? */
190         if (pirq->irq != AR71XX_PCI_IRQ_START)
191                 return;
192
193         /* Update the interrupt mask reg */
194         reg = ATH_READ_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_INTR_MASK);
195         ATH_WRITE_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_INTR_MASK,
196             reg & ~QCA955X_PCI_INTR_DEV0);
197
198         /* Clear any pending interrupt */
199         reg = ATH_READ_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_INTR_STATUS);
200         ATH_WRITE_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_INTR_STATUS,
201             reg | QCA955X_PCI_INTR_DEV0);
202 }
203
204 static void
205 qca955x_pci_unmask_irq(void *source)
206 {
207         uint32_t reg;
208         struct ar71xx_pci_irq *pirq = source;
209         struct ar71xx_pci_softc *sc = pirq->sc;
210
211         if (pirq->irq != AR71XX_PCI_IRQ_START)
212                 return;
213
214         /* Update the interrupt mask reg */
215         reg = ATH_READ_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_INTR_MASK);
216         ATH_WRITE_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_INTR_MASK,
217             reg | QCA955X_PCI_INTR_DEV0);
218 }
219
220 static int
221 qca955x_pci_setup(device_t dev)
222 {
223         struct ar71xx_pci_softc *sc = device_get_softc(dev);
224         uint32_t reg;
225
226         /* setup COMMAND register */
227         reg = PCIM_CMD_BUSMASTEREN | PCIM_CMD_MEMEN | PCIM_CMD_SERRESPEN |
228             PCIM_CMD_BACKTOBACK | PCIM_CMD_PERRESPEN | PCIM_CMD_MWRICEN;
229
230         qca955x_pci_write(sc->sc_pci_crp_base, PCIR_COMMAND, reg, 2);
231
232         /* These are the memory/prefetch base/limit parameters */
233         qca955x_pci_write(sc->sc_pci_crp_base, 0x20, sc->sc_pci_membase_limit, 4);
234         qca955x_pci_write(sc->sc_pci_crp_base, 0x24, sc->sc_pci_membase_limit, 4);
235
236         reg = ATH_READ_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_RESET);
237         if (reg != 0x7) {
238                 DELAY(100000);
239                 ATH_WRITE_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_RESET, 0);
240                 ATH_READ_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_RESET);
241                 DELAY(100);
242                 ATH_WRITE_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_RESET, 4);
243                 ATH_READ_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_RESET);
244                 DELAY(100000);
245         }
246
247         ATH_WRITE_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_APP, 0x1ffc1);
248         /* Flush write */
249         (void) ATH_READ_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_APP);
250
251         DELAY(1000);
252
253         reg = ATH_READ_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_RESET);
254         if ((reg & QCA955X_PCI_RESET_LINK_UP) == 0) {
255                 device_printf(dev, "no PCIe controller found\n");
256                 return (ENXIO);
257         }
258
259         return (0);
260 }
261
262 static int
263 qca955x_pci_probe(device_t dev)
264 {
265
266         return (BUS_PROBE_NOWILDCARD);
267 }
268
269 static int
270 qca955x_pci_attach(device_t dev)
271 {
272         struct ar71xx_pci_softc *sc = device_get_softc(dev);
273         int unit = device_get_unit(dev);
274         int rid = 0;
275
276         /* Dirty; maybe these could all just be hints */
277         if (unit == 0) {
278                 sc->sc_pci_reg_base = QCA955X_PCI_CFG_BASE0;
279                 sc->sc_pci_crp_base = QCA955X_PCI_CRP_BASE0;
280                 sc->sc_pci_ctrl_base = QCA955X_PCI_CTRL_BASE0;
281                 sc->sc_pci_mem_base = QCA955X_PCI_MEM_BASE0;
282                 /* XXX verify */
283                 sc->sc_pci_membase_limit = 0x11f01000;
284         } else if (unit == 1) {
285                 sc->sc_pci_reg_base = QCA955X_PCI_CFG_BASE1;
286                 sc->sc_pci_crp_base = QCA955X_PCI_CRP_BASE1;
287                 sc->sc_pci_ctrl_base = QCA955X_PCI_CTRL_BASE1;
288                 sc->sc_pci_mem_base = QCA955X_PCI_MEM_BASE1;
289                 /* XXX verify */
290                 sc->sc_pci_membase_limit = 0x12f01200;
291         } else {
292                 device_printf(dev, "%s: invalid unit (%d)\n", __func__, unit);
293                 return (ENXIO);
294         }
295
296         sc->sc_mem_rman.rm_type = RMAN_ARRAY;
297         sc->sc_mem_rman.rm_descr = "qca955x PCI memory window";
298         if (rman_init(&sc->sc_mem_rman) != 0 || 
299             rman_manage_region(&sc->sc_mem_rman,
300             sc->sc_pci_mem_base,
301             sc->sc_pci_mem_base + QCA955X_PCI_MEM_SIZE - 1) != 0) {
302                 panic("qca955x_pci_attach: failed to set up I/O rman");
303         }
304
305         sc->sc_irq_rman.rm_type = RMAN_ARRAY;
306         sc->sc_irq_rman.rm_descr = "qca955x PCI IRQs";
307         if (rman_init(&sc->sc_irq_rman) != 0 ||
308             rman_manage_region(&sc->sc_irq_rman, AR71XX_PCI_IRQ_START, 
309                 AR71XX_PCI_IRQ_END) != 0)
310                 panic("qca955x_pci_attach: failed to set up IRQ rman");
311
312         /* Disable interrupts */
313         ATH_WRITE_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_INTR_STATUS, 0);
314         ATH_WRITE_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_INTR_MASK, 0);
315
316         /* Hook up our interrupt handler. */
317         if ((sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
318             RF_SHAREABLE | RF_ACTIVE)) == NULL) {
319                 device_printf(dev, "unable to allocate IRQ resource\n");
320                 return (ENXIO);
321         }
322
323         if ((bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_MISC,
324                             qca955x_pci_intr, NULL, sc, &sc->sc_ih))) {
325                 device_printf(dev, 
326                     "WARNING: unable to register interrupt handler\n");
327                 return (ENXIO);
328         }
329
330         /* Reset PCIe core and PCIe PHY */
331         ar71xx_device_stop(QCA955X_RESET_PCIE);
332         ar71xx_device_stop(QCA955X_RESET_PCIE_PHY);
333         DELAY(100);
334         ar71xx_device_start(QCA955X_RESET_PCIE_PHY);
335         ar71xx_device_start(QCA955X_RESET_PCIE);
336
337         if (qca955x_pci_setup(dev))
338                 return (ENXIO);
339
340         /*
341          * Write initial base address.
342          *
343          * I'm not yet sure why this is required and/or why it isn't
344          * initialised like this.  The AR71xx PCI code initialises
345          * the PCI windows for each device, but neither it or the
346          * 724x PCI bridge modules explicitly initialise the BAR.
347          *
348          * So before this gets committed, have a chat with jhb@ or
349          * someone else who knows PCI well and figure out whether
350          * the initial BAR is supposed to be determined by /other/
351          * means.
352          */
353         qca955x_pci_write_config(dev, 0, 0, 0, PCIR_BAR(0),
354             sc->sc_pci_mem_base,
355             4);
356
357         /* Fixup internal PCI bridge */
358         qca955x_pci_write_config(dev, 0, 0, 0, PCIR_COMMAND,
359             PCIM_CMD_BUSMASTEREN | PCIM_CMD_MEMEN
360             | PCIM_CMD_SERRESPEN | PCIM_CMD_BACKTOBACK
361             | PCIM_CMD_PERRESPEN | PCIM_CMD_MWRICEN, 2);
362
363         device_add_child(dev, "pci", -1);
364         return (bus_generic_attach(dev));
365 }
366
367 static int
368 qca955x_pci_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
369 {
370         struct ar71xx_pci_softc *sc = device_get_softc(dev);
371
372         switch (which) {
373         case PCIB_IVAR_DOMAIN:
374                 *result = 0;
375                 return (0);
376         case PCIB_IVAR_BUS:
377                 *result = sc->sc_busno;
378                 return (0);
379         }
380
381         return (ENOENT);
382 }
383
384 static int
385 qca955x_pci_write_ivar(device_t dev, device_t child, int which, uintptr_t result)
386 {
387         struct ar71xx_pci_softc * sc = device_get_softc(dev);
388
389         switch (which) {
390         case PCIB_IVAR_BUS:
391                 sc->sc_busno = result;
392                 return (0);
393         }
394
395         return (ENOENT);
396 }
397
398 static struct resource *
399 qca955x_pci_alloc_resource(device_t bus, device_t child, int type, int *rid,
400     rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
401 {
402         struct ar71xx_pci_softc *sc = device_get_softc(bus);
403         struct resource *rv;
404         struct rman *rm;
405
406         switch (type) {
407         case SYS_RES_IRQ:
408                 rm = &sc->sc_irq_rman;
409                 break;
410         case SYS_RES_MEMORY:
411                 rm = &sc->sc_mem_rman;
412                 break;
413         default:
414                 return (NULL);
415         }
416
417         rv = rman_reserve_resource(rm, start, end, count, flags, child);
418
419         if (rv == NULL)
420                 return (NULL);
421
422         rman_set_rid(rv, *rid);
423
424         if (flags & RF_ACTIVE) {
425                 if (bus_activate_resource(child, type, *rid, rv)) {
426                         rman_release_resource(rv);
427                         return (NULL);
428                 }
429         } 
430
431         return (rv);
432 }
433
434 static int
435 qca955x_pci_activate_resource(device_t bus, device_t child, int type, int rid,
436     struct resource *r)
437 {
438         int res = (BUS_ACTIVATE_RESOURCE(device_get_parent(bus),
439             child, type, rid, r));
440
441         if (!res) {
442                 switch(type) {
443                 case SYS_RES_MEMORY:
444                 case SYS_RES_IOPORT:
445
446                         rman_set_bustag(r, ar71xx_bus_space_pcimem);
447                         break;
448                 }
449         }
450
451         return (res);
452 }
453
454 static int
455 qca955x_pci_setup_intr(device_t bus, device_t child, struct resource *ires,
456                 int flags, driver_filter_t *filt, driver_intr_t *handler,
457                 void *arg, void **cookiep)
458 {
459         struct ar71xx_pci_softc *sc = device_get_softc(bus);
460         struct intr_event *event;
461         int irq, error;
462
463         irq = rman_get_start(ires);
464         if (irq > AR71XX_PCI_IRQ_END)
465                 panic("%s: bad irq %d", __func__, irq);
466
467         event = sc->sc_eventstab[irq];
468         if (event == NULL) {
469                 sc->sc_pci_irq[irq].sc = sc;
470                 sc->sc_pci_irq[irq].irq = irq;
471                 error = intr_event_create(&event, (void *)&sc->sc_pci_irq[irq],
472                     0, irq,
473                     qca955x_pci_mask_irq,
474                     qca955x_pci_unmask_irq,
475                     NULL, NULL,
476                     "pci intr%d:", irq);
477
478                 if (error == 0) {
479                         sc->sc_eventstab[irq] = event;
480                         sc->sc_intr_counter[irq] =
481                             mips_intrcnt_create(event->ie_name);
482                 }
483                 else
484                         return error;
485         }
486
487         intr_event_add_handler(event, device_get_nameunit(child), filt,
488             handler, arg, intr_priority(flags), flags, cookiep);
489         mips_intrcnt_setname(sc->sc_intr_counter[irq], event->ie_fullname);
490
491         qca955x_pci_unmask_irq(&sc->sc_pci_irq[irq]);
492
493         return (0);
494 }
495
496 static int
497 qca955x_pci_teardown_intr(device_t dev, device_t child, struct resource *ires,
498     void *cookie)
499 {
500         struct ar71xx_pci_softc *sc = device_get_softc(dev);
501         int irq, result;
502
503         irq = rman_get_start(ires);
504         if (irq > AR71XX_PCI_IRQ_END)
505                 panic("%s: bad irq %d", __func__, irq);
506
507         if (sc->sc_eventstab[irq] == NULL)
508                 panic("Trying to teardown unoccupied IRQ");
509
510         qca955x_pci_mask_irq(&sc->sc_pci_irq[irq]);
511
512         result = intr_event_remove_handler(cookie);
513         if (!result)
514                 sc->sc_eventstab[irq] = NULL;
515
516         return (result);
517 }
518
519 static int
520 qca955x_pci_intr(void *arg)
521 {
522         struct ar71xx_pci_softc *sc = arg;
523         struct intr_event *event;
524         uint32_t reg, irq, mask;
525
526         /* There's only one PCIe DDR flush for both PCIe EPs */
527         ar71xx_device_flush_ddr(AR71XX_CPU_DDR_FLUSH_PCIE);
528
529         reg = ATH_READ_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_INTR_STATUS);
530         mask = ATH_READ_REG(sc->sc_pci_ctrl_base + QCA955X_PCI_INTR_MASK);
531
532         /*
533          * Handle only unmasked interrupts
534          */
535         reg &= mask;
536         /*
537          * XXX TODO: handle >1 PCIe end point!
538          */
539         if (reg & QCA955X_PCI_INTR_DEV0) {
540                 irq = AR71XX_PCI_IRQ_START;
541                 event = sc->sc_eventstab[irq];
542                 if (!event || TAILQ_EMPTY(&event->ie_handlers)) {
543                         printf("Stray IRQ %d\n", irq);
544                         return (FILTER_STRAY);
545                 }
546
547                 /* TODO: frame instead of NULL? */
548                 intr_event_handle(event, NULL);
549                 mips_intrcnt_inc(sc->sc_intr_counter[irq]);
550         }
551
552         return (FILTER_HANDLED);
553 }
554
555 static int
556 qca955x_pci_maxslots(device_t dev)
557 {
558
559         return (PCI_SLOTMAX);
560 }
561
562 static int
563 qca955x_pci_route_interrupt(device_t pcib, device_t device, int pin)
564 {
565
566         return (pci_get_slot(device));
567 }
568
569 static device_method_t qca955x_pci_methods[] = {
570         /* Device interface */
571         DEVMETHOD(device_probe,         qca955x_pci_probe),
572         DEVMETHOD(device_attach,        qca955x_pci_attach),
573         DEVMETHOD(device_shutdown,      bus_generic_shutdown),
574         DEVMETHOD(device_suspend,       bus_generic_suspend),
575         DEVMETHOD(device_resume,        bus_generic_resume),
576
577         /* Bus interface */
578         DEVMETHOD(bus_read_ivar,        qca955x_pci_read_ivar),
579         DEVMETHOD(bus_write_ivar,       qca955x_pci_write_ivar),
580         DEVMETHOD(bus_alloc_resource,   qca955x_pci_alloc_resource),
581         DEVMETHOD(bus_release_resource, bus_generic_release_resource),
582         DEVMETHOD(bus_activate_resource, qca955x_pci_activate_resource),
583         DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
584         DEVMETHOD(bus_setup_intr,       qca955x_pci_setup_intr),
585         DEVMETHOD(bus_teardown_intr,    qca955x_pci_teardown_intr),
586
587         /* pcib interface */
588         DEVMETHOD(pcib_maxslots,        qca955x_pci_maxslots),
589         DEVMETHOD(pcib_read_config,     qca955x_pci_read_config),
590         DEVMETHOD(pcib_write_config,    qca955x_pci_write_config),
591         DEVMETHOD(pcib_route_interrupt, qca955x_pci_route_interrupt),
592
593         DEVMETHOD_END
594 };
595
596 static driver_t qca955x_pci_driver = {
597         "pcib",
598         qca955x_pci_methods,
599         sizeof(struct ar71xx_pci_softc),
600 };
601
602 static devclass_t qca955x_pci_devclass;
603
604 DRIVER_MODULE(qca955x_pci, nexus, qca955x_pci_driver, qca955x_pci_devclass, 0, 0);
605 DRIVER_MODULE(qca955x_pci, apb, qca955x_pci_driver, qca955x_pci_devclass, 0, 0);