xref: /netbsd-src/sys/arch/sparc64/dev/schizo.c (revision 90d7b449b611b9e411624cf344e9ff5914fd701e)
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