1 /*        $NetBSD: schizo.c,v 1.47 2022/01/21 19:14:14 thorpej Exp $  */
2 /*        $OpenBSD: schizo.c,v 1.55 2008/08/18 20:29:37 brad Exp $    */
3 
4 /*
5  * Copyright (c) 2002 Jason L. Wright (jason@thought.net)
6  * Copyright (c) 2003 Henric Jungheim
7  * Copyright (c) 2008, 2009, 2010, 2012 Matthew R. Green
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
23  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: schizo.c,v 1.47 2022/01/21 19:14:14 thorpej Exp $");
34 
35 #include <sys/param.h>
36 #include <sys/device.h>
37 #include <sys/errno.h>
38 #include <sys/extent.h>
39 #include <sys/kmem.h>
40 #include <sys/malloc.h>
41 #include <sys/systm.h>
42 #include <sys/time.h>
43 #include <sys/reboot.h>
44 
45 #define _SPARC_BUS_DMA_PRIVATE
46 #include <sys/bus.h>
47 #include <machine/autoconf.h>
48 #include <machine/psl.h>
49 
50 #include <dev/pci/pcivar.h>
51 #include <dev/pci/pcireg.h>
52 
53 #include <sparc64/dev/iommureg.h>
54 #include <sparc64/dev/iommuvar.h>
55 #include <sparc64/dev/schizoreg.h>
56 #include <sparc64/dev/schizovar.h>
57 #include <sparc64/sparc64/cache.h>
58 
59 #ifdef DEBUG
60 #define SDB_PROM        0x01
61 #define SDB_BUSMAP      0x02
62 #define SDB_INTR        0x04
63 #define SDB_INTMAP      0x08
64 #define SDB_CONF        0x10
65 int schizo_debug = 0x0;
66 #define DPRINTF(l, s)   do { if (schizo_debug & l) printf s; } while (0)
67 #else
68 #define DPRINTF(l, s)
69 #endif
70 
71 extern struct sparc_pci_chipset _sparc_pci_chipset;
72 
73 static    int       schizo_match(device_t, cfdata_t, void *);
74 static    void      schizo_attach(device_t, device_t, void *);
75 static    int       schizo_print(void *aux, const char *p);
76 
77 #ifdef DEBUG
78 void schizo_print_regs(int unit, int what);
79 #endif
80 
81 CFATTACH_DECL_NEW(schizo, sizeof(struct schizo_softc),
82     schizo_match, schizo_attach, NULL, NULL);
83 
84 void schizo_init_iommu(struct schizo_softc *, struct schizo_pbm *);
85 
86 void schizo_set_intr(struct schizo_softc *, struct schizo_pbm *, int,
87     int (*handler)(void *), void *, int, const char *);
88 int schizo_ue(void *);
89 int schizo_ce(void *);
90 int schizo_safari_error(void *);
91 int schizo_pci_error(void *);
92 
93 pci_chipset_tag_t schizo_alloc_chipset(struct schizo_pbm *, int,
94     pci_chipset_tag_t);
95 bus_space_tag_t schizo_alloc_mem_tag(struct schizo_pbm *);
96 bus_space_tag_t schizo_alloc_io_tag(struct schizo_pbm *);
97 bus_space_tag_t schizo_alloc_config_tag(struct schizo_pbm *);
98 bus_space_tag_t schizo_alloc_bus_tag(struct schizo_pbm *, const char *,
99     int);
100 bus_dma_tag_t schizo_alloc_dma_tag(struct schizo_pbm *);
101 
102 pcireg_t schizo_conf_read(pci_chipset_tag_t, pcitag_t, int);
103 void schizo_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
104 
105 int schizo_bus_map(bus_space_tag_t t, bus_addr_t offset, bus_size_t size,
106                      int flags, vaddr_t unused, bus_space_handle_t *hp);
107 static paddr_t schizo_bus_mmap(bus_space_tag_t t, bus_addr_t paddr,
108                                off_t off, int prot, int flags);
109 static void *schizo_intr_establish(bus_space_tag_t, int, int, int (*)(void *),
110           void *, void(*)(void));
111 static int schizo_pci_intr_map(const struct pci_attach_args *,
112     pci_intr_handle_t *);
113 static void *schizo_pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
114                                        int, int (*)(void *), void *);
115 static int schizo_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t,
116           bus_size_t, int, bus_dmamap_t *);
117 
118 int
schizo_match(device_t parent,cfdata_t match,void * aux)119 schizo_match(device_t parent, cfdata_t match, void *aux)
120 {
121           struct mainbus_attach_args *ma = aux;
122           char *str;
123 
124           if (strcmp(ma->ma_name, "pci") != 0)
125                     return (0);
126 
127           str = prom_getpropstring(ma->ma_node, "model");
128           if (strcmp(str, "schizo") == 0)
129                     return (1);
130 
131           str = prom_getpropstring(ma->ma_node, "compatible");
132           if (strcmp(str, "pci108e,8001") == 0)
133                     return (1);
134           if (strcmp(str, "pci108e,8002") == 0)             /* XMITS */
135                     return (1);
136           if (strcmp(str, "pci108e,a801") == 0)             /* Tomatillo */
137                     return (1);
138 
139           return (0);
140 }
141 
142 void
schizo_attach(device_t parent,device_t self,void * aux)143 schizo_attach(device_t parent, device_t self, void *aux)
144 {
145           struct schizo_softc *sc = device_private(self);
146           struct mainbus_attach_args *ma = aux;
147           struct schizo_pbm *pbm;
148           struct iommu_state *is;
149           struct pcibus_attach_args pba;
150           uint64_t reg, eccctrl, ino_bitmap;
151           int *busranges = NULL, nranges, *ino_bitmaps = NULL, nbitmaps;
152           char *str;
153           bool no_sc;
154 
155           aprint_normal(": addr %" PRIx64, ma->ma_reg[0].ur_paddr);
156           str = prom_getpropstring(ma->ma_node, "compatible");
157           if (strcmp(str, "pci108e,a801") == 0)
158                     sc->sc_tomatillo = 1;
159 
160           sc->sc_dev = self;
161           sc->sc_node = ma->ma_node;
162           sc->sc_dmat = ma->ma_dmatag;
163           sc->sc_bustag = ma->ma_bustag;
164 
165           sc->sc_ver = prom_getpropint(sc->sc_node, "version#", 0);
166 
167           if (bus_space_map(sc->sc_bustag, ma->ma_reg[1].ur_paddr - 0x10000UL,
168               sizeof(struct schizo_regs), 0,
169               &sc->sc_ctrlh)) {
170                     aprint_error(": failed to map registers\n");
171                     return;
172           }
173 
174           sc->sc_ign = INTIGN(ma->ma_upaid << INTMAP_IGN_SHIFT);
175 
176           /* enable schizo ecc error interrupts */
177           eccctrl = schizo_read(sc, SCZ_ECCCTRL);
178           eccctrl |= SCZ_ECCCTRL_EE_INTEN |
179                        SCZ_ECCCTRL_UE_INTEN |
180                        SCZ_ECCCTRL_CE_INTEN;
181           schizo_write(sc, SCZ_ECCCTRL, eccctrl);
182 
183           pbm = kmem_zalloc(sizeof(*pbm), KM_SLEEP);
184 #ifdef DEBUG
185           sc->sc_pbm = pbm;
186 #endif
187           pbm->sp_sc = sc;
188           pbm->sp_regt = sc->sc_bustag;
189 
190           if ((ma->ma_reg[0].ur_paddr & 0x00700000) == 0x00600000)
191                     pbm->sp_bus_a = 1;
192           else
193                     pbm->sp_bus_a = 0;
194 
195           /*
196            * Map interrupt registers
197            */
198           if (bus_space_map(sc->sc_bustag, ma->ma_reg[0].ur_paddr,
199                                 ma->ma_reg[0].ur_len,
200                                 BUS_SPACE_MAP_LINEAR, &pbm->sp_intrh)) {
201                     aprint_error(": failed to map interrupt registers\n");
202                     kmem_free(pbm, sizeof(*pbm));
203                     return;
204           }
205 
206 #ifdef DEBUG
207           /*
208            * Map ichip registers
209            */
210           if (sc->sc_tomatillo)
211                     if (bus_space_map(sc->sc_bustag, ma->ma_reg[3].ur_paddr,
212                                 ma->ma_reg[3].ur_len,
213                                 BUS_SPACE_MAP_LINEAR, &pbm->sp_ichiph)) {
214                               aprint_error(": failed to map ichip registers\n");
215                               kmem_free(pbm, sizeof(*pbm));
216                               return;
217                     }
218 #endif
219 
220           if (prom_getprop(sc->sc_node, "ranges", sizeof(struct schizo_range),
221               &pbm->sp_nrange, (void **)&pbm->sp_range))
222                     panic("schizo: can't get ranges");
223 
224           if (prom_getprop(sc->sc_node, "bus-range", sizeof(int), &nranges,
225               (void **)&busranges))
226                     panic("schizo: can't get bus-range");
227 
228           aprint_normal(": %s, version %d, ign %x, bus %c %d to %d\n",
229               sc->sc_tomatillo ? "Tomatillo" : "Schizo", sc->sc_ver,
230               sc->sc_ign, pbm->sp_bus_a ? 'A' : 'B', busranges[0], busranges[1]);
231           aprint_naive("\n");
232 
233           if (bus_space_subregion(pbm->sp_regt, sc->sc_ctrlh,
234               pbm->sp_bus_a ? offsetof(struct schizo_regs, pbm_a) :
235               offsetof(struct schizo_regs, pbm_b),
236               sizeof(struct schizo_pbm_regs),
237               &pbm->sp_regh)) {
238                     panic("schizo: unable to create PBM handle");
239           }
240 
241           is = &pbm->sp_is;
242           pbm->sp_sb.sb_is = is;
243           no_sc = prom_getproplen(sc->sc_node, "no-streaming-cache") >= 0;
244           if (no_sc)
245                     aprint_debug_dev(sc->sc_dev, "no streaming buffers\n");
246           else {
247                     vaddr_t va = (vaddr_t)&pbm->sp_flush[0x40];
248 
249                     /*
250                      * Initialize the strbuf_ctl.
251                      *
252                      * The flush sync buffer must be 64-byte aligned.
253                      */
254                     is->is_sb[0] = &pbm->sp_sb;
255                     is->is_sb[0]->sb_flush = (void *)(va & ~0x3f);
256 
257                     bus_space_subregion(pbm->sp_regt, pbm->sp_regh,
258                               offsetof(struct schizo_pbm_regs, strbuf),
259                               sizeof(struct iommu_strbuf), &is->is_sb[0]->sb_sb);
260           }
261 
262           aprint_normal_dev(sc->sc_dev, " ");
263           if (sc->sc_tomatillo)
264                     is->is_flags |= IOMMU_SYNC_BEFORE_UNMAP;
265           schizo_init_iommu(sc, pbm);
266 
267           pbm->sp_memt = schizo_alloc_mem_tag(pbm);
268           pbm->sp_iot = schizo_alloc_io_tag(pbm);
269           pbm->sp_cfgt = schizo_alloc_config_tag(pbm);
270           pbm->sp_dmat = schizo_alloc_dma_tag(pbm);
271           pbm->sp_flags = (pbm->sp_memt ? PCI_FLAGS_MEM_OKAY : 0) |
272                             (pbm->sp_iot ? PCI_FLAGS_IO_OKAY : 0);
273 
274           if (bus_space_map(pbm->sp_cfgt, 0, 0x1000000, 0, &pbm->sp_cfgh))
275                     panic("schizo: could not map config space");
276 
277           pbm->sp_pc = schizo_alloc_chipset(pbm, sc->sc_node,
278               &_sparc_pci_chipset);
279           pbm->sp_pc->spc_busmax = busranges[1];
280           pbm->sp_pc->spc_busnode = kmem_zalloc(sizeof(*pbm->sp_pc->spc_busnode),
281               KM_SLEEP);
282 
283           pba.pba_bus = busranges[0];
284           pba.pba_bridgetag = NULL;
285           pba.pba_pc = pbm->sp_pc;
286           pba.pba_flags = pbm->sp_flags;
287           pba.pba_dmat = pbm->sp_dmat;
288           pba.pba_dmat64 = NULL;        /* XXX */
289           pba.pba_memt = pbm->sp_memt;
290           pba.pba_iot = pbm->sp_iot;
291 
292           free(busranges, M_DEVBUF);
293 
294           schizo_pbm_write(pbm, SCZ_PCI_INTR_RETRY, 5);
295 
296           /* clear out the bus errors */
297           schizo_pbm_write(pbm, SCZ_PCI_CTRL, schizo_pbm_read(pbm, SCZ_PCI_CTRL));
298           schizo_pbm_write(pbm, SCZ_PCI_AFSR, schizo_pbm_read(pbm, SCZ_PCI_AFSR));
299           schizo_cfg_write(pbm, PCI_COMMAND_STATUS_REG,
300               schizo_cfg_read(pbm, PCI_COMMAND_STATUS_REG));
301 
302           reg = schizo_pbm_read(pbm, SCZ_PCI_CTRL);
303           /* enable/disable error interrupts and arbiter */
304           reg |= SCZ_PCICTRL_EEN | SCZ_PCICTRL_MMU_INT;
305           if (sc->sc_tomatillo) {
306                     reg &= ~SCZ_PCICTRL_SBH_INT;
307                     reg |= TOM_PCICTRL_ARB;
308                     reg |= TOM_PCICTRL_PRM | TOM_PCICTRL_PRO |
309                            TOM_PCICTRL_PRL;
310                     if (sc->sc_ver <= 1)          /* 2.0 */
311                               reg |= TOM_PCICTRL_DTO_INT;
312                     else
313                               reg |= SCZ_PCICTRL_PTO;
314           } else
315                     reg |= SCZ_PCICTRL_SBH_INT | SCZ_PCICTRL_ARB;
316           if (OF_getproplen(sc->sc_node, "no-bus-parking") < 0)
317                     reg |= SCZ_PCICTRL_PARK;
318           schizo_pbm_write(pbm, SCZ_PCI_CTRL, reg);
319 
320           reg = schizo_pbm_read(pbm, SCZ_PCI_DIAG);
321           reg &= ~(SCZ_PCIDIAG_D_RTRYARB | SCZ_PCIDIAG_D_RETRY |
322               SCZ_PCIDIAG_D_INTSYNC);
323           schizo_pbm_write(pbm, SCZ_PCI_DIAG, reg);
324 
325           if (prom_getprop(sc->sc_node, "ino-bitmap", sizeof(int), &nbitmaps,
326               (void **)&ino_bitmaps)) {
327                     /* No property - set defaults (double map UE, CE, SERR). */
328                     if (pbm->sp_bus_a)
329                               ino_bitmap = __BIT(SCZ_PCIERR_A_INO);
330                     else
331                               ino_bitmap = __BIT(SCZ_PCIERR_B_INO);
332                     ino_bitmap |= __BIT(SCZ_UE_INO) | __BIT(SCZ_CE_INO) |
333                         __BIT(SCZ_SERR_INO);
334           } else
335                     ino_bitmap = (uint64_t) ino_bitmaps[1] << 32 | ino_bitmaps[0];
336           DPRINTF(SDB_INTR, ("ino_bitmap=0x%016" PRIx64 "\n", ino_bitmap));
337 
338           if (ino_bitmap & __BIT(SCZ_PCIERR_A_INO))
339                     schizo_set_intr(sc, pbm, PIL_HIGH, schizo_pci_error,
340                        pbm, SCZ_PCIERR_A_INO, "pci_a");
341           if (ino_bitmap & __BIT(SCZ_PCIERR_B_INO))
342                     schizo_set_intr(sc, pbm, PIL_HIGH, schizo_pci_error,
343                        pbm, SCZ_PCIERR_B_INO, "pci_b");
344           if (ino_bitmap & __BIT(SCZ_UE_INO))
345                     schizo_set_intr(sc, pbm, PIL_HIGH, schizo_ue, sc, SCZ_UE_INO,
346                         "ue");
347           if (ino_bitmap & __BIT(SCZ_CE_INO))
348                     schizo_set_intr(sc, pbm, PIL_HIGH, schizo_ce, sc, SCZ_CE_INO,
349                         "ce");
350           if (ino_bitmap & __BIT(SCZ_SERR_INO))
351                     schizo_set_intr(sc, pbm, PIL_HIGH, schizo_safari_error, sc,
352                         SCZ_SERR_INO, "safari");
353 
354           if (sc->sc_tomatillo) {
355                     /*
356                      * Enable the IOCACHE.
357                      */
358                     uint64_t iocache_csr;
359 
360                     iocache_csr = TOM_IOCACHE_CSR_WRT_PEN |
361                                     (1 << TOM_IOCACHE_CSR_POFFSET_SHIFT) |
362                                     TOM_IOCACHE_CSR_PEN_RDM |
363                                     TOM_IOCACHE_CSR_PEN_ONE |
364                                     TOM_IOCACHE_CSR_PEN_LINE;
365                     schizo_pbm_write(pbm, SCZ_PCI_IOCACHE_CSR, iocache_csr);
366           }
367 
368           config_found(sc->sc_dev, &pba, schizo_print,
369               CFARGS(.devhandle = device_handle(self)));
370 }
371 
372 int
schizo_ue(void * vsc)373 schizo_ue(void *vsc)
374 {
375           struct schizo_softc *sc = vsc;
376 
377           panic("%s: uncorrectable error", device_xname(sc->sc_dev));
378           return (1);
379 }
380 
381 int
schizo_ce(void * vsc)382 schizo_ce(void *vsc)
383 {
384           struct schizo_softc *sc = vsc;
385 
386           panic("%s: correctable error", device_xname(sc->sc_dev));
387           return (1);
388 }
389 
390 int
schizo_pci_error(void * vpbm)391 schizo_pci_error(void *vpbm)
392 {
393           struct schizo_pbm *sp = vpbm;
394           struct schizo_softc *sc = sp->sp_sc;
395           u_int64_t afsr, afar, ctrl, tfar;
396           u_int32_t csr;
397           char bits[128];
398 
399           afsr = schizo_pbm_read(sp, SCZ_PCI_AFSR);
400           afar = schizo_pbm_read(sp, SCZ_PCI_AFAR);
401           ctrl = schizo_pbm_read(sp, SCZ_PCI_CTRL);
402           csr = schizo_cfg_read(sp, PCI_COMMAND_STATUS_REG);
403 
404           printf("%s: pci bus %c error\n", device_xname(sc->sc_dev),
405               sp->sp_bus_a ? 'A' : 'B');
406 
407           snprintb(bits, sizeof(bits), SCZ_PCIAFSR_BITS, afsr);
408           printf("PCIAFSR=%s\n", bits);
409           printf("PCIAFAR=%" PRIx64 "\n", afar);
410           snprintb(bits, sizeof(bits), SCZ_PCICTRL_BITS, ctrl);
411           printf("PCICTRL=%s\n", bits);
412 #ifdef PCI_COMMAND_STATUS_BITS
413           snprintb(bits, sizeof(bits), PCI_COMMAND_STATUS_BITS, csr);
414           printf("PCICSR=%s\n", bits);
415 #endif
416 
417           if (ctrl & SCZ_PCICTRL_MMU_ERR) {
418                     ctrl = schizo_pbm_read(sp, SCZ_PCI_IOMMU_CTRL);
419                     printf("IOMMUCTRL=%" PRIx64 "\n", ctrl);
420 
421                     if ((ctrl & TOM_IOMMU_ERR) == 0)
422                               goto clear_error;
423 
424                     if (sc->sc_tomatillo) {
425                               tfar = schizo_pbm_read(sp, TOM_PCI_IOMMU_TFAR);
426                               printf("IOMMUTFAR=%" PRIx64 "\n", tfar);
427                     }
428 
429                     /* These are non-fatal if target abort was signalled. */
430                     if ((ctrl & TOM_IOMMU_ERR_MASK) == TOM_IOMMU_INV_ERR ||
431                         ctrl & TOM_IOMMU_ILLTSBTBW_ERR ||
432                         ctrl & TOM_IOMMU_BADVA_ERR) {
433                               if (csr & PCI_STATUS_TARGET_TARGET_ABORT) {
434                                         schizo_pbm_write(sp, SCZ_PCI_IOMMU_CTRL, ctrl);
435                                         goto clear_error;
436                               }
437                     }
438           }
439 
440           panic("%s: %s: fatal", __func__, device_xname(sc->sc_dev));
441 
442  clear_error:
443           schizo_cfg_write(sp, PCI_COMMAND_STATUS_REG, csr);
444           schizo_pbm_write(sp, SCZ_PCI_CTRL, ctrl);
445           schizo_pbm_write(sp, SCZ_PCI_AFSR, afsr);
446           return (1);
447 }
448 
449 int
schizo_safari_error(void * vsc)450 schizo_safari_error(void *vsc)
451 {
452           struct schizo_softc *sc = vsc;
453 
454           printf("%s: safari error\n", device_xname(sc->sc_dev));
455 
456           printf("ERRLOG=%" PRIx64 "\n", schizo_read(sc, SCZ_SAFARI_ERRLOG));
457           printf("UE_AFSR=%" PRIx64 "\n", schizo_read(sc, SCZ_UE_AFSR));
458           printf("UE_AFAR=%" PRIx64 "\n", schizo_read(sc, SCZ_UE_AFAR));
459           printf("CE_AFSR=%" PRIx64 "\n", schizo_read(sc, SCZ_CE_AFSR));
460           printf("CE_AFAR=%" PRIx64 "\n", schizo_read(sc, SCZ_CE_AFAR));
461 
462           panic("%s: %s: fatal", __func__, device_xname(sc->sc_dev));
463           return (1);
464 }
465 
466 void
schizo_init_iommu(struct schizo_softc * sc,struct schizo_pbm * pbm)467 schizo_init_iommu(struct schizo_softc *sc, struct schizo_pbm *pbm)
468 {
469           struct iommu_state *is = &pbm->sp_is;
470           int *vdma = NULL, nitem, tsbsize = 7;
471           u_int32_t iobase = -1;
472           char *name;
473 
474           /* punch in our copies */
475           is->is_bustag = pbm->sp_regt;
476           bus_space_subregion(is->is_bustag, pbm->sp_regh,
477                     offsetof(struct schizo_pbm_regs, iommu),
478                     sizeof(struct iommureg2),
479                     &is->is_iommu);
480 
481           /*
482            * Separate the men from the boys.  If the `virtual-dma'
483            * property exists, use it.
484            */
485           if (!prom_getprop(sc->sc_node, "virtual-dma", sizeof(vdma), &nitem,
486               (void **)&vdma)) {
487                     /* Damn.  Gotta use these values. */
488                     iobase = vdma[0];
489 #define   TSBCASE(x)          case 1 << ((x) + 23): tsbsize = (x); break
490                     switch (vdma[1]) {
491                               TSBCASE(1);
492                               TSBCASE(2);
493                               TSBCASE(3);
494                               TSBCASE(4);
495                               TSBCASE(5);
496                               TSBCASE(6);
497                               TSBCASE(7);
498                     default:
499                               printf("bogus tsb size %x, using 7\n", vdma[1]);
500                               tsbsize = 7;
501                     }
502 #undef TSBCASE
503                     DPRINTF(SDB_BUSMAP, ("schizo_init_iommu: iobase=0x%x\n", iobase));
504                     free(vdma, M_DEVBUF);
505           } else {
506                     DPRINTF(SDB_BUSMAP, ("schizo_init_iommu: getprop failed, "
507                         "using iobase=0x%x, tsbsize=%d\n", iobase, tsbsize));
508           }
509 
510           /* give us a nice name.. */
511           name = (char *)kmem_alloc(32, KM_SLEEP);
512           snprintf(name, 32, "%s dvma", device_xname(sc->sc_dev));
513 
514           iommu_init(name, is, tsbsize, iobase);
515 }
516 
517 int
schizo_print(void * aux,const char * p)518 schizo_print(void *aux, const char *p)
519 {
520 
521           if (p == NULL)
522                     return (UNCONF);
523           return (QUIET);
524 }
525 
526 pcireg_t
schizo_conf_read(pci_chipset_tag_t pc,pcitag_t tag,int reg)527 schizo_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg)
528 {
529           struct schizo_pbm *sp = pc->cookie;
530           pcireg_t val = (pcireg_t)~0;
531           int s;
532 
533           DPRINTF(SDB_CONF, ("%s: tag %lx reg %x ", __func__, (long)tag, reg));
534           if (PCITAG_NODE(tag) != -1 && (unsigned int)reg < PCI_CONF_SIZE) {
535                     s = splhigh();
536                     struct cpu_info *ci = curcpu();
537                     ci->ci_pci_probe = true;
538                     membar_Sync();
539                     val = bus_space_read_4(sp->sp_cfgt, sp->sp_cfgh,
540                         PCITAG_OFFSET(tag) + reg);
541                     membar_Sync();
542                     if (ci->ci_pci_fault)
543                               val = (pcireg_t)~0;
544                     ci->ci_pci_probe = ci->ci_pci_fault = false;
545                     splx(s);
546           }
547           DPRINTF(SDB_CONF, (" returning %08x\n", (u_int)val));
548           return (val);
549 }
550 
551 void
schizo_conf_write(pci_chipset_tag_t pc,pcitag_t tag,int reg,pcireg_t data)552 schizo_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t data)
553 {
554           struct schizo_pbm *sp = pc->cookie;
555 
556           DPRINTF(SDB_CONF, ("%s: tag %lx; reg %x; data %x", __func__,
557                     (long)tag, reg, (int)data));
558 
559           /* If we don't know it, just punt it.  */
560           if (PCITAG_NODE(tag) == -1) {
561                     DPRINTF(SDB_CONF, (" .. bad addr\n"));
562                     return;
563           }
564 
565           if ((unsigned int)reg >= PCI_CONF_SIZE)
566                     return;
567 
568         bus_space_write_4(sp->sp_cfgt, sp->sp_cfgh,
569               PCITAG_OFFSET(tag) + reg, data);
570           DPRINTF(SDB_CONF, (" .. done\n"));
571 }
572 
573 void
schizo_set_intr(struct schizo_softc * sc,struct schizo_pbm * pbm,int ipl,int (* handler)(void *),void * arg,int ino,const char * what)574 schizo_set_intr(struct schizo_softc *sc, struct schizo_pbm *pbm, int ipl,
575     int (*handler)(void *), void *arg, int ino, const char *what)
576 {
577           struct intrhand *ih;
578           u_int64_t mapoff, clroff;
579           uintptr_t intrregs;
580 
581           DPRINTF(SDB_INTR, ("%s: ino %x ign %x fn %p arg %p", __func__,
582               ino, sc->sc_ign, handler, arg));
583 
584           mapoff = offsetof(struct schizo_pbm_regs, imap[ino]);
585           clroff = offsetof(struct schizo_pbm_regs, iclr[ino]);
586           ino |= sc->sc_ign;
587 
588           DPRINTF(SDB_INTR, (" mapoff %" PRIx64 " clroff %" PRIx64 "\n",
589               mapoff, clroff));
590 
591           ih = intrhand_alloc();
592 
593           ih->ih_arg = arg;
594           intrregs = (uintptr_t)bus_space_vaddr(pbm->sp_regt, pbm->sp_intrh);
595           ih->ih_map = (uint64_t *)(uintptr_t)(intrregs + mapoff);
596           ih->ih_clr = (uint64_t *)(uintptr_t)(intrregs + clroff);
597           ih->ih_fun = handler;
598           ih->ih_pil = ipl;
599           ih->ih_number = INTVEC(schizo_pbm_read(pbm, mapoff));
600           ih->ih_pending = 0;
601 
602           intr_establish(ipl, ipl != IPL_VM, ih);
603 
604           schizo_pbm_write(pbm, mapoff,
605               ih->ih_number | INTMAP_V | (CPU_UPAID << INTMAP_TID_SHIFT));
606           schizo_pbm_write(pbm, clroff, 0);
607 }
608 
609 bus_space_tag_t
schizo_alloc_mem_tag(struct schizo_pbm * sp)610 schizo_alloc_mem_tag(struct schizo_pbm *sp)
611 {
612           return (schizo_alloc_bus_tag(sp, "mem", PCI_MEMORY_BUS_SPACE));
613 }
614 
615 bus_space_tag_t
schizo_alloc_io_tag(struct schizo_pbm * sp)616 schizo_alloc_io_tag(struct schizo_pbm *sp)
617 {
618           return (schizo_alloc_bus_tag(sp, "io", PCI_IO_BUS_SPACE));
619 }
620 
621 bus_space_tag_t
schizo_alloc_config_tag(struct schizo_pbm * sp)622 schizo_alloc_config_tag(struct schizo_pbm *sp)
623 {
624           return (schizo_alloc_bus_tag(sp, "cfg", PCI_CONFIG_BUS_SPACE));
625 }
626 
627 bus_space_tag_t
schizo_alloc_bus_tag(struct schizo_pbm * pbm,const char * name,int type)628 schizo_alloc_bus_tag(struct schizo_pbm *pbm, const char *name, int type)
629 {
630           struct schizo_softc *sc = pbm->sp_sc;
631           bus_space_tag_t bt;
632 
633           bt = kmem_zalloc(sizeof(*bt), KM_SLEEP);
634           bt->cookie = pbm;
635           bt->parent = sc->sc_bustag;
636           bt->type = type;
637           bt->sparc_bus_map = schizo_bus_map;
638           bt->sparc_bus_mmap = schizo_bus_mmap;
639           bt->sparc_intr_establish = schizo_intr_establish;
640           return (bt);
641 }
642 
643 bus_dma_tag_t
schizo_alloc_dma_tag(struct schizo_pbm * pbm)644 schizo_alloc_dma_tag(struct schizo_pbm *pbm)
645 {
646           struct schizo_softc *sc = pbm->sp_sc;
647           bus_dma_tag_t dt, pdt = sc->sc_dmat;
648 
649           dt = kmem_zalloc(sizeof(*dt), KM_SLEEP);
650           dt->_cookie = pbm;
651           dt->_parent = pdt;
652 #define PCOPY(x)    dt->x = pdt->x
653           dt->_dmamap_create = schizo_dmamap_create;
654           PCOPY(_dmamap_destroy);
655           dt->_dmamap_load = iommu_dvmamap_load;
656           PCOPY(_dmamap_load_mbuf);
657           PCOPY(_dmamap_load_uio);
658           dt->_dmamap_load_raw = iommu_dvmamap_load_raw;
659           dt->_dmamap_unload = iommu_dvmamap_unload;
660           dt->_dmamap_sync = iommu_dvmamap_sync;
661           dt->_dmamem_alloc = iommu_dvmamem_alloc;
662           dt->_dmamem_free = iommu_dvmamem_free;
663           dt->_dmamem_map = iommu_dvmamem_map;
664           dt->_dmamem_unmap = iommu_dvmamem_unmap;
665           PCOPY(_dmamem_mmap);
666 #undef    PCOPY
667           return (dt);
668 }
669 
670 pci_chipset_tag_t
schizo_alloc_chipset(struct schizo_pbm * pbm,int node,pci_chipset_tag_t pc)671 schizo_alloc_chipset(struct schizo_pbm *pbm, int node, pci_chipset_tag_t pc)
672 {
673           pci_chipset_tag_t npc;
674 
675           npc = kmem_alloc(sizeof *npc, KM_SLEEP);
676           memcpy(npc, pc, sizeof *pc);
677           npc->cookie = pbm;
678           npc->rootnode = node;
679           npc->spc_conf_read = schizo_conf_read;
680           npc->spc_conf_write = schizo_conf_write;
681           npc->spc_intr_map = schizo_pci_intr_map;
682           npc->spc_intr_establish = schizo_pci_intr_establish;
683           npc->spc_find_ino = NULL;
684           return (npc);
685 }
686 
687 int
schizo_dmamap_create(bus_dma_tag_t t,bus_size_t size,int nsegments,bus_size_t maxsegsz,bus_size_t boundary,int flags,bus_dmamap_t * dmamp)688 schizo_dmamap_create(bus_dma_tag_t t, bus_size_t size,
689     int nsegments, bus_size_t maxsegsz, bus_size_t boundary, int flags,
690     bus_dmamap_t *dmamp)
691 {
692           struct schizo_pbm *pbm = t->_cookie;
693           int error;
694 
695           error = bus_dmamap_create(t->_parent, size, nsegments, maxsegsz,
696                                           boundary, flags, dmamp);
697           if (error == 0)
698                     (*dmamp)->_dm_cookie = &pbm->sp_sb;
699           return error;
700 }
701 
702 static struct schizo_range *
get_schizorange(struct schizo_pbm * pbm,int ss)703 get_schizorange(struct schizo_pbm *pbm, int ss)
704 {
705           int i;
706 
707           for (i = 0; i < pbm->sp_nrange; i++) {
708                     if (((pbm->sp_range[i].cspace >> 24) & 0x03) == ss)
709                               return (&pbm->sp_range[i]);
710           }
711           /* not found */
712           return (NULL);
713 }
714 
715 int
schizo_bus_map(bus_space_tag_t t,bus_addr_t offset,bus_size_t size,int flags,vaddr_t unused,bus_space_handle_t * hp)716 schizo_bus_map(bus_space_tag_t t, bus_addr_t offset, bus_size_t size,
717                  int flags, vaddr_t unused, bus_space_handle_t *hp)
718 {
719           bus_addr_t paddr;
720           struct schizo_pbm *pbm = t->cookie;
721           struct schizo_softc *sc = pbm->sp_sc;
722           struct schizo_range *sr;
723           int ss;
724 
725           DPRINTF(SDB_BUSMAP, ("schizo_bus_map: type %d off %qx sz %qx flags %d",
726               t->type,
727               (unsigned long long)offset,
728               (unsigned long long)size,
729               flags));
730 
731           /*
732            * BUS_SPACE_MAP_PREFETCHABLE causes hard hangs on schizo, so weed it
733            * out for now
734            */
735           flags &= ~BUS_SPACE_MAP_PREFETCHABLE;
736 
737           ss = sparc_pci_childspace(t->type);
738           DPRINTF(SDB_BUSMAP, (" cspace %d\n", ss));
739 
740           sr = get_schizorange(pbm, ss);
741           if (sr != NULL) {
742                     paddr = BUS_ADDR(sr->phys_hi, sr->phys_lo + offset);
743                     DPRINTF(SDB_BUSMAP, ("%s: mapping paddr "
744                                              "space %lx offset %lx paddr %qx\n",
745                                      __func__, (long)ss, (long)offset,
746                                      (unsigned long long)paddr));
747                     return ((*sc->sc_bustag->sparc_bus_map)(t, paddr, size,
748                               flags, 0, hp));
749           }
750           DPRINTF(SDB_BUSMAP, ("%s: FAILED\n", __func__));
751           return (EINVAL);
752 }
753 
754 static paddr_t
schizo_bus_mmap(bus_space_tag_t t,bus_addr_t paddr,off_t off,int prot,int flags)755 schizo_bus_mmap(bus_space_tag_t t, bus_addr_t paddr, off_t off, int prot,
756           int flags)
757 {
758           bus_addr_t offset = paddr;
759           struct schizo_pbm *pbm = t->cookie;
760           struct schizo_softc *sc = pbm->sp_sc;
761           struct schizo_range *sr;
762           int ss;
763 
764           /*
765            * BUS_SPACE_MAP_PREFETCHABLE causes hard hangs on schizo, so weed it
766            * out for now
767            */
768           flags &= ~BUS_SPACE_MAP_PREFETCHABLE;
769 
770           ss = sparc_pci_childspace(t->type);
771 
772           DPRINTF(SDB_BUSMAP, ("schizo_bus_mmap: prot %d flags %d pa %qx\n",
773               prot, flags, (unsigned long long)paddr));
774 
775           sr = get_schizorange(pbm, ss);
776           if (sr != NULL) {
777                     paddr = BUS_ADDR(sr->phys_hi, sr->phys_lo + offset);
778                     DPRINTF(SDB_BUSMAP, ("%s: mapping paddr "
779                                              "space %lx offset %lx paddr %qx\n",
780                                      __func__, (long)ss, (long)offset,
781                                      (unsigned long long)paddr));
782                     return (bus_space_mmap(sc->sc_bustag, paddr, off,
783                                                prot, flags));
784           }
785           DPRINTF(SDB_BUSMAP, ("%s: FAILED\n", __func__));
786           return (-1);
787 }
788 
789 /*
790  * Set the IGN for this schizo into the handle.
791  */
792 int
schizo_pci_intr_map(const struct pci_attach_args * pa,pci_intr_handle_t * ihp)793 schizo_pci_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp)
794 {
795           struct schizo_pbm *pbm = pa->pa_pc->cookie;
796           struct schizo_softc *sc = pbm->sp_sc;
797 
798           DPRINTF(SDB_INTMAP, ("IGN %x", *ihp));
799           *ihp |= sc->sc_ign;
800           DPRINTF(SDB_INTMAP, (" adjusted to %x\n", *ihp));
801           return (0);
802 }
803 
804 static void *
schizo_intr_establish(bus_space_tag_t t,int ihandle,int level,int (* handler)(void *),void * arg,void (* fastvec)(void))805 schizo_intr_establish(bus_space_tag_t t, int ihandle, int level,
806           int (*handler)(void *), void *arg, void (*fastvec)(void) /* ignored */)
807 {
808           struct schizo_pbm *pbm = t->cookie;
809           struct intrhand *ih = NULL;
810           uint64_t mapoff, clroff;
811           uintptr_t intrregs;
812           volatile uint64_t *intrmapptr = NULL, *intrclrptr = NULL;
813           int ino;
814           long vec;
815 
816           vec = INTVEC(ihandle);
817           ino = INTINO(vec);
818 
819           ih = intrhand_alloc();
820 
821           DPRINTF(SDB_INTR, ("\n%s: ihandle %x level %d fn %p arg %p\n", __func__,
822               ihandle, level, handler, arg));
823 
824           if (level == IPL_NONE)
825                     level = INTLEV(vec);
826           if (level == IPL_NONE) {
827                     printf(": no IPL, setting IPL 2.\n");
828                     level = 2;
829           }
830 
831           mapoff = offsetof(struct schizo_pbm_regs, imap[ino]);
832           clroff = offsetof(struct schizo_pbm_regs, iclr[ino]);
833 
834           DPRINTF(SDB_INTR, ("%s: intr %x: %p mapoff %" PRIx64 " clroff %"
835               PRIx64 "\n", __func__, ino, intrlev[ino], mapoff, clroff));
836 
837           ih->ih_ivec = ihandle;
838 
839           intrregs = (uintptr_t)bus_space_vaddr(pbm->sp_regt, pbm->sp_intrh);
840           intrmapptr = (uint64_t *)(uintptr_t)(intrregs + mapoff);
841           intrclrptr = (uint64_t *)(uintptr_t)(intrregs + clroff);
842 
843           if (INTIGN(vec) == 0)
844                     ino |= schizo_pbm_readintr(pbm, mapoff) & INTMAP_IGN;
845           else
846                     ino |= vec & INTMAP_IGN;
847 
848           /* Register the map and clear intr registers */
849           ih->ih_map = intrmapptr;
850           ih->ih_clr = intrclrptr;
851 
852           ih->ih_fun = handler;
853           ih->ih_arg = arg;
854           ih->ih_pil = level;
855           ih->ih_number = ino;
856           ih->ih_pending = 0;
857 
858           DPRINTF(SDB_INTR, (
859               "; installing handler %p arg %p with inr %x pil %u\n",
860               handler, arg, ino, (u_int)ih->ih_pil));
861 
862           intr_establish(ih->ih_pil, level != IPL_VM, ih);
863 
864           /*
865            * Enable the interrupt now we have the handler installed.
866            * Read the current value as we can't change it besides the
867            * valid bit so so make sure only this bit is changed.
868            */
869           if (intrmapptr) {
870                     u_int64_t imap;
871 
872                     imap = schizo_pbm_readintr(pbm, mapoff);
873                     DPRINTF(SDB_INTR, ("; read intrmap = %016qx",
874                               (unsigned long long)imap));
875                     imap |= INTMAP_V;
876                     imap |= (CPU_UPAID << INTMAP_TID_SHIFT);
877                     DPRINTF(SDB_INTR, ("; addr of intrmapptr = %p", intrmapptr));
878                     DPRINTF(SDB_INTR, ("; writing intrmap = %016qx\n",
879                               (unsigned long long)imap));
880                     schizo_pbm_writeintr(pbm, mapoff, imap);
881                     imap = schizo_pbm_readintr(pbm, mapoff);
882                     DPRINTF(SDB_INTR, ("; reread intrmap = %016qx",
883                               (unsigned long long)imap));
884                     ih->ih_number |= imap & INTMAP_INR;
885           }
886           if (intrclrptr) {
887                     /* set state to IDLE */
888                     schizo_pbm_writeintr(pbm, clroff, 0);
889           }
890 
891           return (ih);
892 }
893 
894 static void *
schizo_pci_intr_establish(pci_chipset_tag_t pc,pci_intr_handle_t ih,int level,int (* func)(void *),void * arg)895 schizo_pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level,
896           int (*func)(void *), void *arg)
897 {
898           void *cookie;
899           struct schizo_pbm *pbm = (struct schizo_pbm *)pc->cookie;
900 
901           DPRINTF(SDB_INTR, ("%s: ih %lx; level %d", __func__, (u_long)ih, level));
902           cookie = bus_intr_establish(pbm->sp_memt, ih, level, func, arg);
903 
904           DPRINTF(SDB_INTR, ("; returning handle %p\n", cookie));
905           return (cookie);
906 }
907 
908 #ifdef DEBUG
909 void
schizo_print_regs(int unit,int what)910 schizo_print_regs(int unit, int what)
911 {
912           device_t dev;
913           struct schizo_softc *sc;
914           struct schizo_pbm *pbm;
915           const struct schizo_regname *r;
916           int i;
917           u_int64_t reg;
918 
919           dev = device_find_by_driver_unit("schizo", unit);
920           if (dev == NULL) {
921                     printf("Can't find device schizo%d\n", unit);
922                     return;
923           }
924 
925           if (!what) {
926                     printf("0x01: Safari registers\n");
927                     printf("0x02: PCI registers\n");
928                     printf("0x04: Scratch pad registers (Tomatillo only)\n");
929                     printf("0x08: IOMMU registers\n");
930                     printf("0x10: Streaming cache registers (Schizo only)\n");
931                     printf("0x20: Interrupt registers\n");
932                     printf("0x40: I-chip registers (Tomatillo only)\n");
933                     return;
934           }
935           sc = device_private(dev);
936           pbm = sc->sc_pbm;
937           printf("%s (leaf %c) registers:\n", device_xname(sc->sc_dev),
938               pbm->sp_bus_a ? 'A' : 'B');
939 
940           printf(" Safari registers:\n");
941           if (what & 0x01) {
942                     for (r = schizo_regnames; r->size != 0; ++r)
943                               for (i = 0; i <= r->n_reg; i += r->size) {
944                                         if ((!sc->sc_tomatillo &&
945                                             !(r->type & REG_TYPE_SCHIZO)) ||
946                                             (sc->sc_tomatillo &&
947                                             !(r->type & REG_TYPE_TOMATILLO)))
948                                                   continue;
949                                         switch (r->size) {
950                                         case 1:
951                                                   reg = schizo_read_1(sc, r->offset + i);
952                                                   break;
953                                         case 8:
954                                                   /* fallthrough */
955                                         default:
956                                                   reg = schizo_read(sc, r->offset + i);
957                                                   break;
958                                         }
959                                         printf("0x%06" PRIx64 " = 0x%016" PRIx64 " (%s",
960                                             r->offset + i, reg, r->name);
961                                         if (r->n_reg)
962                                                   printf(" %d)\n", i / r->size);
963                                         else
964                                                   printf(")\n");
965                               }
966           }
967 
968           if (what & 0x02) {
969                     printf(" PCI registers:\n");
970                     for (r = schizo_pbm_regnames; r->size != 0; ++r)
971                               for (i = 0; i <= r->n_reg; i += r->size) {
972                                         if ((!sc->sc_tomatillo &&
973                                             !(r->type & REG_TYPE_SCHIZO)) ||
974                                             (sc->sc_tomatillo &&
975                                             !(r->type & REG_TYPE_TOMATILLO)))
976                                                   continue;
977                                         if ((pbm->sp_bus_a &&
978                                             !(r->type & REG_TYPE_LEAF_A)) ||
979                                             (!pbm->sp_bus_a &&
980                                             !(r->type & REG_TYPE_LEAF_B)))
981                                                   continue;
982                                         reg = schizo_pbm_read(pbm, r->offset + i);
983                                         printf("0x%06" PRIx64 " = 0x%016" PRIx64 ""
984                                             " (%s", r->offset + i, reg, r->name);
985                                         if (r->n_reg)
986                                                   printf(" %d)\n", i / r->size);
987                                         else
988                                                   printf(")\n");
989                               }
990           }
991 
992           if (what & 0x04 && sc->sc_tomatillo) {
993                     printf(" Scratch pad registers:\n");
994                     for (r = tomatillo_scratch_regnames; r->size != 0; ++r)
995                               for (i = 0; i <= r->n_reg; i += r->size) {
996                                         reg = schizo_pbm_read(pbm, r->offset + i);
997                                         printf("0x%06" PRIx64 " = 0x%016" PRIx64 ""
998                                             " (%s", r->offset + i, reg, r->name);
999                                         if (r->n_reg)
1000                                                   printf(" %d)\n", i / r->size);
1001                                         else
1002                                                   printf(")\n");
1003                               }
1004           }
1005 
1006           if (what & 0x08) {
1007                     printf(" IOMMU registers:\n");
1008                     for (r = schizo_iommu_regnames; r->size != 0; ++r)
1009                               for (i = 0; i <= r->n_reg; i += r->size) {
1010                                         if ((!sc->sc_tomatillo &&
1011                                             !(r->type & REG_TYPE_SCHIZO)) ||
1012                                             (sc->sc_tomatillo &&
1013                                             !(r->type & REG_TYPE_TOMATILLO)))
1014                                                   continue;
1015                                         reg = schizo_pbm_read(pbm, r->offset + i);
1016                                         printf("0x%06" PRIx64 " = 0x%016" PRIx64 ""
1017                                             " (%s", r->offset + i, reg, r->name);
1018                                         if (r->n_reg)
1019                                                   printf(" %d)\n", i / r->size);
1020                                         else
1021                                                   printf(")\n");
1022                               }
1023           }
1024 
1025           if (what & 0x10 && !sc->sc_tomatillo) {
1026                     printf(" Streaming cache registers:\n");
1027                     for (r = schizo_stream_regnames; r->size != 0; ++r)
1028                               for (i = 0; i <= r->n_reg; i += r->size) {
1029                                         reg = schizo_pbm_read(pbm, r->offset + i);
1030                                         printf("0x%06" PRIx64 " = 0x%016" PRIx64 ""
1031                                             " (%s", r->offset + i, reg, r->name);
1032                                         if (r->n_reg)
1033                                                   printf(" %d)\n", i / r->size);
1034                                         else
1035                                                   printf(")\n");
1036                               }
1037           }
1038 
1039           if (what & 0x20) {
1040                     printf(" Interrupt registers:\n");
1041                     for (r = schizo_intr_regnames; r->size != 0; ++r)
1042                               for (i = 0; i <= r->n_reg; i += r->size) {
1043                                         if ((!sc->sc_tomatillo &&
1044                                             !(r->type & REG_TYPE_SCHIZO)) ||
1045                                             (sc->sc_tomatillo &&
1046                                             !(r->type & REG_TYPE_TOMATILLO)))
1047                                                   continue;
1048                                         reg = schizo_pbm_readintr(pbm, r->offset + i);
1049                                         printf("0x%06" PRIx64 " = 0x%016" PRIx64 ""
1050                                             " (%s", r->offset + i, reg, r->name);
1051                                         if (r->n_reg)
1052                                                   printf(" %d)\n", i / r->size);
1053                                         else
1054                                                   printf(")\n");
1055                               }
1056           }
1057 
1058           if (what & 0x40 && sc->sc_tomatillo) {
1059           printf(" I-chip registers:\n");
1060                     for (r = tomatillo_ichip_regnames; r->size != 0; ++r)
1061                               for (i = 0; i <= r->n_reg; i += r->size) {
1062                                         if ((sc->sc_tomatillo &&
1063                                             !(r->type & REG_TYPE_TOMATILLO)))
1064                                                   continue;
1065                                         reg = tomatillo_pbm_readichip(pbm,
1066                                             r->offset + i);
1067                                         printf("0x%06" PRIx64 " = 0x%016" PRIx64 ""
1068                                             " (%s", r->offset + i, reg, r->name);
1069                                         if (r->n_reg)
1070                                                   printf(" %d)\n", i / r->size);
1071                                         else
1072                                                   printf(")\n");
1073                               }
1074           }
1075 }
1076 #endif
1077