isp_pci.c revision 1.67 1 /* $NetBSD: isp_pci.c,v 1.67 2001/03/07 23:07:16 thorpej Exp $ */
2 /*
3 * This driver, which is contained in NetBSD in the files:
4 *
5 * sys/dev/ic/isp.c
6 * sys/dev/ic/isp_inline.h
7 * sys/dev/ic/isp_netbsd.c
8 * sys/dev/ic/isp_netbsd.h
9 * sys/dev/ic/isp_target.c
10 * sys/dev/ic/isp_target.h
11 * sys/dev/ic/isp_tpublic.h
12 * sys/dev/ic/ispmbox.h
13 * sys/dev/ic/ispreg.h
14 * sys/dev/ic/ispvar.h
15 * sys/microcode/isp/asm_sbus.h
16 * sys/microcode/isp/asm_1040.h
17 * sys/microcode/isp/asm_1080.h
18 * sys/microcode/isp/asm_12160.h
19 * sys/microcode/isp/asm_2100.h
20 * sys/microcode/isp/asm_2200.h
21 * sys/pci/isp_pci.c
22 * sys/sbus/isp_sbus.c
23 *
24 * Is being actively maintained by Matthew Jacob (mjacob (at) netbsd.org).
25 * This driver also is shared source with FreeBSD, OpenBSD, Linux, Solaris,
26 * Linux versions. This tends to be an interesting maintenance problem.
27 *
28 * Please coordinate with Matthew Jacob on changes you wish to make here.
29 */
30 /*
31 * PCI specific probe and attach routines for Qlogic ISP SCSI adapters.
32 * Matthew Jacob (mjacob (at) nas.nasa.gov)
33 */
34 /*
35 * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration
36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * 3. The name of the author may not be used to endorse or promote products
47 * derived from this software without specific prior written permission
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
50 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
51 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
52 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
53 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
54 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
55 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
56 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
57 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
58 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
59 */
60
61 #include <dev/ic/isp_netbsd.h>
62 #include <dev/pci/pcireg.h>
63 #include <dev/pci/pcivar.h>
64 #include <dev/pci/pcidevs.h>
65 #include <uvm/uvm_extern.h>
66 #include <sys/reboot.h>
67
68 static u_int16_t isp_pci_rd_reg __P((struct ispsoftc *, int));
69 static void isp_pci_wr_reg __P((struct ispsoftc *, int, u_int16_t));
70 #if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
71 static u_int16_t isp_pci_rd_reg_1080 __P((struct ispsoftc *, int));
72 static void isp_pci_wr_reg_1080 __P((struct ispsoftc *, int, u_int16_t));
73 #endif
74 static int isp_pci_mbxdma __P((struct ispsoftc *));
75 static int isp_pci_dmasetup __P((struct ispsoftc *, struct scsipi_xfer *,
76 ispreq_t *, u_int16_t *, u_int16_t));
77 static void isp_pci_dmateardown __P((struct ispsoftc *, struct scsipi_xfer *,
78 u_int32_t));
79 static void isp_pci_reset1 __P((struct ispsoftc *));
80 static void isp_pci_dumpregs __P((struct ispsoftc *, const char *));
81 static int isp_pci_intr __P((void *));
82
83 #if defined(ISP_DISABLE_1020_SUPPORT)
84 #define ISP_1040_RISC_CODE NULL
85 #else
86 #define ISP_1040_RISC_CODE isp_1040_risc_code
87 #include <dev/microcode/isp/asm_1040.h>
88 #endif
89
90 #if defined(ISP_DISABLE_1080_SUPPORT)
91 #define ISP_1080_RISC_CODE NULL
92 #else
93 #define ISP_1080_RISC_CODE isp_1080_risc_code
94 #include <dev/microcode/isp/asm_1080.h>
95 #endif
96
97 #if defined(ISP_DISABLE_12160_SUPPORT)
98 #define ISP_12160_RISC_CODE NULL
99 #else
100 #define ISP_12160_RISC_CODE isp_12160_risc_code
101 #include <dev/microcode/isp/asm_12160.h>
102 #endif
103
104 #if defined(ISP_DISABLE_2100_SUPPORT)
105 #define ISP_2100_RISC_CODE NULL
106 #else
107 #define ISP_2100_RISC_CODE isp_2100_risc_code
108 #include <dev/microcode/isp/asm_2100.h>
109 #endif
110
111 #if defined(ISP_DISABLE_2200_SUPPORT)
112 #define ISP_2200_RISC_CODE NULL
113 #else
114 #define ISP_2200_RISC_CODE isp_2200_risc_code
115 #include <dev/microcode/isp/asm_2200.h>
116 #endif
117
118 #ifndef ISP_DISABLE_1020_SUPPORT
119 static struct ispmdvec mdvec = {
120 isp_pci_rd_reg,
121 isp_pci_wr_reg,
122 isp_pci_mbxdma,
123 isp_pci_dmasetup,
124 isp_pci_dmateardown,
125 NULL,
126 isp_pci_reset1,
127 isp_pci_dumpregs,
128 ISP_1040_RISC_CODE,
129 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
130 };
131 #endif
132
133 #ifndef ISP_DISABLE_1080_SUPPORT
134 static struct ispmdvec mdvec_1080 = {
135 isp_pci_rd_reg_1080,
136 isp_pci_wr_reg_1080,
137 isp_pci_mbxdma,
138 isp_pci_dmasetup,
139 isp_pci_dmateardown,
140 NULL,
141 isp_pci_reset1,
142 isp_pci_dumpregs,
143 ISP_1080_RISC_CODE,
144 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
145 };
146 #endif
147
148 #ifndef ISP_DISABLE_12160_SUPPORT
149 static struct ispmdvec mdvec_12160 = {
150 isp_pci_rd_reg_1080,
151 isp_pci_wr_reg_1080,
152 isp_pci_mbxdma,
153 isp_pci_dmasetup,
154 isp_pci_dmateardown,
155 NULL,
156 isp_pci_reset1,
157 isp_pci_dumpregs,
158 ISP_12160_RISC_CODE,
159 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
160 };
161 #endif
162
163 #ifndef ISP_DISABLE_2100_SUPPORT
164 static struct ispmdvec mdvec_2100 = {
165 isp_pci_rd_reg,
166 isp_pci_wr_reg,
167 isp_pci_mbxdma,
168 isp_pci_dmasetup,
169 isp_pci_dmateardown,
170 NULL,
171 isp_pci_reset1,
172 isp_pci_dumpregs,
173 ISP_2100_RISC_CODE
174 };
175 #endif
176
177 #ifndef ISP_DISABLE_2200_SUPPORT
178 static struct ispmdvec mdvec_2200 = {
179 isp_pci_rd_reg,
180 isp_pci_wr_reg,
181 isp_pci_mbxdma,
182 isp_pci_dmasetup,
183 isp_pci_dmateardown,
184 NULL,
185 isp_pci_reset1,
186 isp_pci_dumpregs,
187 ISP_2200_RISC_CODE
188 };
189 #endif
190
191 #ifndef PCI_VENDOR_QLOGIC
192 #define PCI_VENDOR_QLOGIC 0x1077
193 #endif
194
195 #ifndef PCI_PRODUCT_QLOGIC_ISP1020
196 #define PCI_PRODUCT_QLOGIC_ISP1020 0x1020
197 #endif
198
199 #ifndef PCI_PRODUCT_QLOGIC_ISP1080
200 #define PCI_PRODUCT_QLOGIC_ISP1080 0x1080
201 #endif
202
203 #ifndef PCI_PRODUCT_QLOGIC_ISP1240
204 #define PCI_PRODUCT_QLOGIC_ISP1240 0x1240
205 #endif
206
207 #ifndef PCI_PRODUCT_QLOGIC_ISP1280
208 #define PCI_PRODUCT_QLOGIC_ISP1280 0x1280
209 #endif
210
211 #ifndef PCI_PRODUCT_QLOGIC_ISP12160
212 #define PCI_PRODUCT_QLOGIC_ISP12160 0x1216
213 #endif
214
215 #ifndef PCI_PRODUCT_QLOGIC_ISP2100
216 #define PCI_PRODUCT_QLOGIC_ISP2100 0x2100
217 #endif
218
219 #ifndef PCI_PRODUCT_QLOGIC_ISP2200
220 #define PCI_PRODUCT_QLOGIC_ISP2200 0x2200
221 #endif
222
223 #define PCI_QLOGIC_ISP ((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
224
225 #define PCI_QLOGIC_ISP1080 \
226 ((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
227
228 #define PCI_QLOGIC_ISP1240 \
229 ((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
230
231 #define PCI_QLOGIC_ISP1280 \
232 ((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
233
234 #define PCI_QLOGIC_ISP12160 \
235 ((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
236
237 #define PCI_QLOGIC_ISP2100 \
238 ((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
239
240 #define PCI_QLOGIC_ISP2200 \
241 ((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
242
243 #define IO_MAP_REG 0x10
244 #define MEM_MAP_REG 0x14
245 #define PCIR_ROMADDR 0x30
246
247 #define PCI_DFLT_LTNCY 0x40
248 #define PCI_DFLT_LNSZ 0x10
249
250
251 static int isp_pci_probe __P((struct device *, struct cfdata *, void *));
252 static void isp_pci_attach __P((struct device *, struct device *, void *));
253
254 struct isp_pcisoftc {
255 struct ispsoftc pci_isp;
256 pci_chipset_tag_t pci_pc;
257 pcitag_t pci_tag;
258 bus_space_tag_t pci_st;
259 bus_space_handle_t pci_sh;
260 bus_dma_tag_t pci_dmat;
261 bus_dmamap_t pci_scratch_dmap; /* for fcp only */
262 bus_dmamap_t pci_rquest_dmap;
263 bus_dmamap_t pci_result_dmap;
264 bus_dmamap_t *pci_xfer_dmap;
265 void * pci_ih;
266 int16_t pci_poff[_NREG_BLKS];
267 };
268
269 struct cfattach isp_pci_ca = {
270 sizeof (struct isp_pcisoftc), isp_pci_probe, isp_pci_attach
271 };
272
273 #ifdef DEBUG
274 const char vstring[] =
275 "Qlogic ISP Driver, NetBSD (pci) Platform Version %d.%d Core Version %d.%d";
276 #endif
277
278 static int
279 isp_pci_probe(parent, match, aux)
280 struct device *parent;
281 struct cfdata *match;
282 void *aux;
283 {
284 struct pci_attach_args *pa = aux;
285 switch (pa->pa_id) {
286 #ifndef ISP_DISABLE_1020_SUPPORT
287 case PCI_QLOGIC_ISP:
288 return (1);
289 #endif
290 #ifndef ISP_DISABLE_1080_SUPPORT
291 case PCI_QLOGIC_ISP1080:
292 case PCI_QLOGIC_ISP1240:
293 case PCI_QLOGIC_ISP1280:
294 return (1);
295 #endif
296 #ifndef ISP_DISABLE_12160_SUPPORT
297 case PCI_QLOGIC_ISP12160:
298 return (1);
299 #endif
300 #ifndef ISP_DISABLE_2100_SUPPORT
301 case PCI_QLOGIC_ISP2100:
302 return (1);
303 #endif
304 #ifndef ISP_DISABLE_2200_SUPPORT
305 case PCI_QLOGIC_ISP2200:
306 return (1);
307 #endif
308 default:
309 return (0);
310 }
311 }
312
313
314 static void
315 isp_pci_attach(parent, self, aux)
316 struct device *parent, *self;
317 void *aux;
318 {
319 #ifdef DEBUG
320 static char oneshot = 1;
321 #endif
322 static const char nomem[] = "%s: no mem for sdparam table\n";
323 u_int32_t data, rev, linesz = PCI_DFLT_LNSZ;
324 struct pci_attach_args *pa = aux;
325 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) self;
326 struct ispsoftc *isp = &pcs->pci_isp;
327 bus_space_tag_t st, iot, memt;
328 bus_space_handle_t sh, ioh, memh;
329 pci_intr_handle_t ih;
330 const char *intrstr;
331 int ioh_valid, memh_valid;
332
333 ioh_valid = (pci_mapreg_map(pa, IO_MAP_REG,
334 PCI_MAPREG_TYPE_IO, 0,
335 &iot, &ioh, NULL, NULL) == 0);
336 memh_valid = (pci_mapreg_map(pa, MEM_MAP_REG,
337 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
338 &memt, &memh, NULL, NULL) == 0);
339 if (memh_valid) {
340 st = memt;
341 sh = memh;
342 } else if (ioh_valid) {
343 st = iot;
344 sh = ioh;
345 } else {
346 printf(": unable to map device registers\n");
347 return;
348 }
349 printf("\n");
350
351 pcs->pci_st = st;
352 pcs->pci_sh = sh;
353 pcs->pci_dmat = pa->pa_dmat;
354 pcs->pci_pc = pa->pa_pc;
355 pcs->pci_tag = pa->pa_tag;
356 pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
357 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
358 pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
359 pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
360 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
361 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0xff;
362
363 #ifndef ISP_DISABLE_1020_SUPPORT
364 if (pa->pa_id == PCI_QLOGIC_ISP) {
365 isp->isp_mdvec = &mdvec;
366 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
367 isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
368 if (isp->isp_param == NULL) {
369 printf(nomem, isp->isp_name);
370 return;
371 }
372 bzero(isp->isp_param, sizeof (sdparam));
373 }
374 #endif
375 #ifndef ISP_DISABLE_1080_SUPPORT
376 if (pa->pa_id == PCI_QLOGIC_ISP1080) {
377 isp->isp_mdvec = &mdvec_1080;
378 isp->isp_type = ISP_HA_SCSI_1080;
379 isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
380 if (isp->isp_param == NULL) {
381 printf(nomem, isp->isp_name);
382 return;
383 }
384 bzero(isp->isp_param, sizeof (sdparam));
385 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
386 ISP1080_DMA_REGS_OFF;
387 }
388 if (pa->pa_id == PCI_QLOGIC_ISP1240) {
389 isp->isp_mdvec = &mdvec_1080;
390 isp->isp_type = ISP_HA_SCSI_1240;
391 isp->isp_param =
392 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
393 if (isp->isp_param == NULL) {
394 printf(nomem, isp->isp_name);
395 return;
396 }
397 bzero(isp->isp_param, 2 * sizeof (sdparam));
398 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
399 ISP1080_DMA_REGS_OFF;
400 }
401 if (pa->pa_id == PCI_QLOGIC_ISP1280) {
402 isp->isp_mdvec = &mdvec_1080;
403 isp->isp_type = ISP_HA_SCSI_1280;
404 isp->isp_param =
405 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
406 if (isp->isp_param == NULL) {
407 printf(nomem, isp->isp_name);
408 return;
409 }
410 bzero(isp->isp_param, 2 * sizeof (sdparam));
411 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
412 ISP1080_DMA_REGS_OFF;
413 }
414 #endif
415 #ifndef ISP_DISABLE_12160_SUPPORT
416 if (pa->pa_id == PCI_QLOGIC_ISP12160) {
417 isp->isp_mdvec = &mdvec_12160;
418 isp->isp_type = ISP_HA_SCSI_12160;
419 isp->isp_param =
420 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
421 if (isp->isp_param == NULL) {
422 printf(nomem, isp->isp_name);
423 return;
424 }
425 bzero(isp->isp_param, 2 * sizeof (sdparam));
426 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
427 ISP1080_DMA_REGS_OFF;
428 }
429 #endif
430 #ifndef ISP_DISABLE_2100_SUPPORT
431 if (pa->pa_id == PCI_QLOGIC_ISP2100) {
432 isp->isp_mdvec = &mdvec_2100;
433 isp->isp_type = ISP_HA_FC_2100;
434 isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
435 if (isp->isp_param == NULL) {
436 printf(nomem, isp->isp_name);
437 return;
438 }
439 bzero(isp->isp_param, sizeof (fcparam));
440 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
441 PCI_MBOX_REGS2100_OFF;
442 if (rev < 3) {
443 /*
444 * XXX: Need to get the actual revision
445 * XXX: number of the 2100 FB. At any rate,
446 * XXX: lower cache line size for early revision
447 * XXX; boards.
448 */
449 linesz = 1;
450 }
451 }
452 #endif
453 #ifndef ISP_DISABLE_2200_SUPPORT
454 if (pa->pa_id == PCI_QLOGIC_ISP2200) {
455 isp->isp_mdvec = &mdvec_2200;
456 isp->isp_type = ISP_HA_FC_2200;
457 isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
458 if (isp->isp_param == NULL) {
459 printf(nomem, isp->isp_name);
460 return;
461 }
462 bzero(isp->isp_param, sizeof (fcparam));
463 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
464 PCI_MBOX_REGS2100_OFF;
465 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
466 }
467 #endif
468 /*
469 * Set up logging levels.
470 */
471 #ifdef ISP_LOGDEFAULT
472 isp->isp_dblev = ISP_LOGDEFAULT;
473 #else
474 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
475 if (bootverbose)
476 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
477 #ifdef SCSIDEBUG
478 isp->isp_dblev |= ISP_LOGDEBUG1|ISP_LOGDEBUG2;
479 #endif
480 #ifdef DEBUG
481 isp->isp_dblev |= ISP_LOGDEBUG0;
482 #endif
483 #endif
484
485 #ifdef DEBUG
486 if (oneshot) {
487 oneshot = 0;
488 isp_prt(isp, ISP_LOGCONFIG, vstring,
489 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
490 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
491 }
492 #endif
493
494 isp->isp_revision = rev;
495
496 /*
497 * Make sure that command register set sanely.
498 */
499 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
500 data |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_INVALIDATE_ENABLE;
501
502 /*
503 * Not so sure about these- but I think it's important that they get
504 * enabled......
505 */
506 data |= PCI_COMMAND_PARITY_ENABLE | PCI_COMMAND_SERR_ENABLE;
507 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, data);
508
509 /*
510 * Make sure that the latency timer, cache line size,
511 * and ROM is disabled.
512 */
513 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
514 data &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
515 data &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT);
516 data |= (PCI_DFLT_LTNCY << PCI_LATTIMER_SHIFT);
517 data |= (linesz << PCI_CACHELINE_SHIFT);
518 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, data);
519
520 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR);
521 data &= ~1;
522 pci_conf_write(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR, data);
523
524 if (pci_intr_map(pa, &ih)) {
525 printf("%s: couldn't map interrupt\n", isp->isp_name);
526 free(isp->isp_param, M_DEVBUF);
527 return;
528 }
529 intrstr = pci_intr_string(pa->pa_pc, ih);
530 if (intrstr == NULL)
531 intrstr = "<I dunno>";
532 pcs->pci_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO,
533 isp_pci_intr, isp);
534 if (pcs->pci_ih == NULL) {
535 printf("%s: couldn't establish interrupt at %s\n",
536 isp->isp_name, intrstr);
537 free(isp->isp_param, M_DEVBUF);
538 return;
539 }
540
541 printf("%s: interrupting at %s\n", isp->isp_name, intrstr);
542
543 if (IS_FC(isp)) {
544 DEFAULT_NODEWWN(isp) = 0x400000007F000002;
545 DEFAULT_PORTWWN(isp) = 0x400000007F000002;
546 }
547
548 isp->isp_confopts = self->dv_cfdata->cf_flags;
549 isp->isp_role = ISP_DEFAULT_ROLES;
550 ISP_LOCK(isp);
551 isp->isp_osinfo.no_mbox_ints = 1;
552 isp_reset(isp);
553 if (isp->isp_state != ISP_RESETSTATE) {
554 ISP_UNLOCK(isp);
555 free(isp->isp_param, M_DEVBUF);
556 return;
557 }
558 ENABLE_INTS(isp);
559 isp_init(isp);
560 if (isp->isp_state != ISP_INITSTATE) {
561 isp_uninit(isp);
562 ISP_UNLOCK(isp);
563 free(isp->isp_param, M_DEVBUF);
564 return;
565 }
566 /*
567 * Do platform attach.
568 */
569 ISP_UNLOCK(isp);
570 isp_attach(isp);
571 if (isp->isp_state != ISP_RUNSTATE) {
572 ISP_LOCK(isp);
573 isp_uninit(isp);
574 free(isp->isp_param, M_DEVBUF);
575 ISP_UNLOCK(isp);
576 }
577 }
578
579 static u_int16_t
580 isp_pci_rd_reg(isp, regoff)
581 struct ispsoftc *isp;
582 int regoff;
583 {
584 u_int16_t rv;
585 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
586 int offset, oldconf = 0;
587
588 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
589 /*
590 * We will assume that someone has paused the RISC processor.
591 */
592 oldconf = isp_pci_rd_reg(isp, BIU_CONF1);
593 isp_pci_wr_reg(isp, BIU_CONF1, oldconf | BIU_PCI_CONF1_SXP);
594 delay(250);
595 }
596 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
597 offset += (regoff & 0xff);
598 rv = bus_space_read_2(pcs->pci_st, pcs->pci_sh, offset);
599 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
600 isp_pci_wr_reg(isp, BIU_CONF1, oldconf);
601 delay(250);
602 }
603 return (rv);
604 }
605
606 static void
607 isp_pci_wr_reg(isp, regoff, val)
608 struct ispsoftc *isp;
609 int regoff;
610 u_int16_t val;
611 {
612 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
613 int offset, oldconf = 0;
614
615 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
616 /*
617 * We will assume that someone has paused the RISC processor.
618 */
619 oldconf = isp_pci_rd_reg(isp, BIU_CONF1);
620 isp_pci_wr_reg(isp, BIU_CONF1, oldconf | BIU_PCI_CONF1_SXP);
621 delay(250);
622 }
623 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
624 offset += (regoff & 0xff);
625 bus_space_write_2(pcs->pci_st, pcs->pci_sh, offset, val);
626 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
627 isp_pci_wr_reg(isp, BIU_CONF1, oldconf);
628 delay(250);
629 }
630 }
631
632 #if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
633 static u_int16_t
634 isp_pci_rd_reg_1080(isp, regoff)
635 struct ispsoftc *isp;
636 int regoff;
637 {
638 u_int16_t rv, oc = 0;
639 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
640 int offset;
641
642 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
643 u_int16_t tc;
644 /*
645 * We will assume that someone has paused the RISC processor.
646 */
647 oc = isp_pci_rd_reg(isp, BIU_CONF1);
648 tc = oc & ~BIU_PCI1080_CONF1_DMA;
649 if (IS_1280(isp)) {
650 if (regoff & SXP_BANK1_SELECT)
651 tc |= BIU_PCI1080_CONF1_SXP0;
652 else
653 tc |= BIU_PCI1080_CONF1_SXP1;
654 } else {
655 tc |= BIU_PCI1080_CONF1_SXP0;
656 }
657 isp_pci_wr_reg(isp, BIU_CONF1, tc);
658 delay(250);
659 } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
660 oc = isp_pci_rd_reg(isp, BIU_CONF1);
661 isp_pci_wr_reg(isp, BIU_CONF1, oc | BIU_PCI1080_CONF1_DMA);
662 delay(250);
663 }
664 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
665 offset += (regoff & 0xff);
666 rv = bus_space_read_2(pcs->pci_st, pcs->pci_sh, offset);
667 /*
668 * Okay, because BIU_CONF1 is always nonzero
669 */
670 if (oc) {
671 isp_pci_wr_reg(isp, BIU_CONF1, oc);
672 delay(250);
673 }
674 return (rv);
675 }
676
677 static void
678 isp_pci_wr_reg_1080(isp, regoff, val)
679 struct ispsoftc *isp;
680 int regoff;
681 u_int16_t val;
682 {
683 u_int16_t oc = 0;
684 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
685 int offset;
686
687 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
688 u_int16_t tc;
689 /*
690 * We will assume that someone has paused the RISC processor.
691 */
692 oc = isp_pci_rd_reg(isp, BIU_CONF1);
693 tc = oc & ~BIU_PCI1080_CONF1_DMA;
694 if (IS_1280(isp)) {
695 if (regoff & SXP_BANK1_SELECT)
696 tc |= BIU_PCI1080_CONF1_SXP0;
697 else
698 tc |= BIU_PCI1080_CONF1_SXP1;
699 } else {
700 tc |= BIU_PCI1080_CONF1_SXP0;
701 }
702 isp_pci_wr_reg(isp, BIU_CONF1, tc);
703 delay(250);
704 } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
705 oc = isp_pci_rd_reg(isp, BIU_CONF1);
706 isp_pci_wr_reg(isp, BIU_CONF1, oc | BIU_PCI1080_CONF1_DMA);
707 delay(250);
708 }
709 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
710 offset += (regoff & 0xff);
711 bus_space_write_2(pcs->pci_st, pcs->pci_sh, offset, val);
712 /*
713 * Okay, because BIU_CONF1 is always nonzero
714 */
715 if (oc) {
716 isp_pci_wr_reg(isp, BIU_CONF1, oc);
717 delay(250);
718 }
719 }
720 #endif
721
722 static int
723 isp_pci_mbxdma(isp)
724 struct ispsoftc *isp;
725 {
726 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
727 bus_dma_tag_t dmat = pcs->pci_dmat;
728 bus_dma_segment_t sg;
729 bus_size_t len;
730 fcparam *fcp;
731 int rs, i;
732
733 if (isp->isp_rquest_dma) /* been here before? */
734 return (0);
735
736 len = isp->isp_maxcmds * sizeof (XS_T);
737 isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK);
738 if (isp->isp_xflist == NULL) {
739 isp_prt(isp, ISP_LOGERR, "cannot malloc xflist array");
740 return (1);
741 }
742 bzero(isp->isp_xflist, len);
743 len = isp->isp_maxcmds * sizeof (bus_dmamap_t);
744 pcs->pci_xfer_dmap = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK);
745 if (pcs->pci_xfer_dmap == NULL) {
746 free(isp->isp_xflist, M_DEVBUF);
747 isp->isp_xflist = NULL;
748 isp_prt(isp, ISP_LOGERR, "cannot malloc dma map array");
749 return (1);
750 }
751 for (i = 0; i < isp->isp_maxcmds; i++) {
752 if (bus_dmamap_create(dmat, MAXPHYS, (MAXPHYS / PAGE_SIZE) + 1,
753 MAXPHYS, 0, BUS_DMA_NOWAIT, &pcs->pci_xfer_dmap[i])) {
754 isp_prt(isp, ISP_LOGERR, "cannot create dma maps");
755 break;
756 }
757 }
758 if (i < isp->isp_maxcmds) {
759 while (--i >= 0) {
760 bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
761 }
762 free(isp->isp_xflist, M_DEVBUF);
763 free(pcs->pci_xfer_dmap, M_DEVBUF);
764 isp->isp_xflist = NULL;
765 pcs->pci_xfer_dmap = NULL;
766 return (1);
767 }
768
769 /*
770 * Allocate and map the request queue.
771 */
772 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
773 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
774 BUS_DMA_NOWAIT) ||
775 bus_dmamem_map(pcs->pci_dmat, &sg, rs, len,
776 (caddr_t *)&isp->isp_rquest, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
777 goto dmafail;
778 }
779
780 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
781 &pcs->pci_rquest_dmap) || bus_dmamap_load(dmat,
782 pcs->pci_rquest_dmap, (caddr_t)isp->isp_rquest, len, NULL,
783 BUS_DMA_NOWAIT)) {
784 goto dmafail;
785 }
786
787 isp->isp_rquest_dma = pcs->pci_rquest_dmap->dm_segs[0].ds_addr;
788
789 /*
790 * Allocate and map the result queue.
791 */
792 len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
793 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
794 BUS_DMA_NOWAIT) ||
795 bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&isp->isp_result,
796 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
797 goto dmafail;
798 }
799 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
800 &pcs->pci_result_dmap) || bus_dmamap_load(pcs->pci_dmat,
801 pcs->pci_result_dmap, (caddr_t)isp->isp_result, len, NULL,
802 BUS_DMA_NOWAIT)) {
803 goto dmafail;
804 }
805 isp->isp_result_dma = pcs->pci_result_dmap->dm_segs[0].ds_addr;
806
807 if (IS_SCSI(isp)) {
808 return (0);
809 }
810
811 fcp = isp->isp_param;
812 len = ISP2100_SCRLEN;
813 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
814 BUS_DMA_NOWAIT) ||
815 bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&fcp->isp_scratch,
816 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
817 goto dmafail;
818 }
819 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
820 &pcs->pci_scratch_dmap) || bus_dmamap_load(dmat,
821 pcs->pci_scratch_dmap, (caddr_t)fcp->isp_scratch, len, NULL,
822 BUS_DMA_NOWAIT)) {
823 goto dmafail;
824 }
825 fcp->isp_scdma = pcs->pci_scratch_dmap->dm_segs[0].ds_addr;
826 return (0);
827 dmafail:
828 isp_prt(isp, ISP_LOGERR, "mailbox dma setup failure");
829 for (i = 0; i < isp->isp_maxcmds; i++) {
830 bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
831 }
832 free(isp->isp_xflist, M_DEVBUF);
833 free(pcs->pci_xfer_dmap, M_DEVBUF);
834 isp->isp_xflist = NULL;
835 pcs->pci_xfer_dmap = NULL;
836 return (1);
837 }
838
839 static int
840 isp_pci_dmasetup(isp, xs, rq, iptrp, optr)
841 struct ispsoftc *isp;
842 struct scsipi_xfer *xs;
843 ispreq_t *rq;
844 u_int16_t *iptrp;
845 u_int16_t optr;
846 {
847 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
848 bus_dmamap_t dmap;
849 ispcontreq_t *crq;
850 int segcnt, seg, error, ovseg, seglim, drq;
851
852 dmap = pcs->pci_xfer_dmap[isp_handle_index(rq->req_handle)];
853
854 if (xs->datalen == 0) {
855 rq->req_seg_count = 1;
856 goto mbxsync;
857 }
858 if (xs->xs_control & XS_CTL_DATA_IN) {
859 drq = REQFLAG_DATA_IN;
860 } else {
861 drq = REQFLAG_DATA_OUT;
862 }
863
864 if (IS_FC(isp)) {
865 seglim = ISP_RQDSEG_T2;
866 ((ispreqt2_t *)rq)->req_totalcnt = xs->datalen;
867 ((ispreqt2_t *)rq)->req_flags |= drq;
868 } else {
869 rq->req_flags |= drq;
870 if (XS_CDBLEN(xs) > 12) {
871 seglim = 0;
872 } else {
873 seglim = ISP_RQDSEG;
874 }
875 }
876 error = bus_dmamap_load(pcs->pci_dmat, dmap, xs->data, xs->datalen,
877 NULL, ((xs->xs_control & XS_CTL_NOSLEEP) ?
878 BUS_DMA_NOWAIT : BUS_DMA_WAITOK) | BUS_DMA_STREAMING);
879 if (error) {
880 XS_SETERR(xs, HBA_BOTCH);
881 return (CMD_COMPLETE);
882 }
883
884 segcnt = dmap->dm_nsegs;
885
886 isp_prt(isp, ISP_LOGDEBUG2, "%d byte %s %p in %d segs",
887 xs->datalen, (xs->xs_control & XS_CTL_DATA_IN)? "read to" :
888 "write from", xs->data, segcnt);
889
890 for (seg = 0, rq->req_seg_count = 0;
891 seglim && seg < segcnt && rq->req_seg_count < seglim;
892 seg++, rq->req_seg_count++) {
893 if (IS_FC(isp)) {
894 ispreqt2_t *rq2 = (ispreqt2_t *)rq;
895 #if _BYTE_ORDER == _BIG_ENDIAN
896 rq2->req_dataseg[rq2->req_seg_count].ds_count =
897 bswap32(dmap->dm_segs[seg].ds_len);
898 rq2->req_dataseg[rq2->req_seg_count].ds_base =
899 bswap32(dmap->dm_segs[seg].ds_addr);
900 #else
901 rq2->req_dataseg[rq2->req_seg_count].ds_count =
902 dmap->dm_segs[seg].ds_len;
903 rq2->req_dataseg[rq2->req_seg_count].ds_base =
904 dmap->dm_segs[seg].ds_addr;
905 #endif
906 } else {
907 #if _BYTE_ORDER == _BIG_ENDIAN
908 rq->req_dataseg[rq->req_seg_count].ds_count =
909 bswap32(dmap->dm_segs[seg].ds_len);
910 rq->req_dataseg[rq->req_seg_count].ds_base =
911 bswap32(dmap->dm_segs[seg].ds_addr);
912 #else
913 rq->req_dataseg[rq->req_seg_count].ds_count =
914 dmap->dm_segs[seg].ds_len;
915 rq->req_dataseg[rq->req_seg_count].ds_base =
916 dmap->dm_segs[seg].ds_addr;
917 #endif
918 }
919 isp_prt(isp, ISP_LOGDEBUG2, "seg0.[%d]={0x%lx,%lu}",
920 rq->req_seg_count, (long) dmap->dm_segs[seg].ds_addr,
921 (unsigned long) dmap->dm_segs[seg].ds_len);
922 }
923
924 if (seg == segcnt)
925 goto dmasync;
926
927 do {
928 crq = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, *iptrp);
929 *iptrp = ISP_NXT_QENTRY(*iptrp, RQUEST_QUEUE_LEN(isp));
930 if (*iptrp == optr) {
931 isp_prt(isp, ISP_LOGDEBUG0, "Request Queue Overflow++");
932 bus_dmamap_unload(pcs->pci_dmat, dmap);
933 XS_SETERR(xs, HBA_BOTCH);
934 return (CMD_EAGAIN);
935 }
936 rq->req_header.rqs_entry_count++;
937 bzero((void *)crq, sizeof (*crq));
938 crq->req_header.rqs_entry_count = 1;
939 crq->req_header.rqs_entry_type = RQSTYPE_DATASEG;
940
941 for (ovseg = 0; seg < segcnt && ovseg < ISP_CDSEG;
942 rq->req_seg_count++, seg++, ovseg++) {
943 #if _BYTE_ORDER == _BIG_ENDIAN
944 crq->req_dataseg[ovseg].ds_count =
945 bswap32(dmap->dm_segs[seg].ds_len);
946 crq->req_dataseg[ovseg].ds_base =
947 bswap32(dmap->dm_segs[seg].ds_addr);
948 #else
949 crq->req_dataseg[ovseg].ds_count =
950 dmap->dm_segs[seg].ds_len;
951 crq->req_dataseg[ovseg].ds_base =
952 dmap->dm_segs[seg].ds_addr;
953 #endif
954 isp_prt(isp, ISP_LOGDEBUG2, "seg%d.[%d]={0x%lx,%lu}",
955 rq->req_header.rqs_entry_count - 1,
956 rq->req_seg_count, (long)dmap->dm_segs[seg].ds_addr,
957 (unsigned long) dmap->dm_segs[seg].ds_len);
958 }
959 } while (seg < segcnt);
960
961
962 dmasync:
963 bus_dmamap_sync(pcs->pci_dmat, dmap, 0, dmap->dm_mapsize,
964 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD :
965 BUS_DMASYNC_PREWRITE);
966
967 mbxsync:
968 ISP_SWIZZLE_REQUEST(isp, rq);
969 bus_dmamap_sync(pcs->pci_dmat, pcs->pci_rquest_dmap, 0,
970 pcs->pci_rquest_dmap->dm_mapsize, BUS_DMASYNC_PREWRITE);
971 return (CMD_QUEUED);
972 }
973
974 static int
975 isp_pci_intr(arg)
976 void *arg;
977 {
978 int rv;
979 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)arg;
980 bus_dmamap_sync(pcs->pci_dmat, pcs->pci_result_dmap, 0,
981 pcs->pci_result_dmap->dm_mapsize, BUS_DMASYNC_POSTREAD);
982 pcs->pci_isp.isp_osinfo.onintstack = 1;
983 rv = isp_intr(arg);
984 pcs->pci_isp.isp_osinfo.onintstack = 0;
985 return (rv);
986 }
987
988 static void
989 isp_pci_dmateardown(isp, xs, handle)
990 struct ispsoftc *isp;
991 struct scsipi_xfer *xs;
992 u_int32_t handle;
993 {
994 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
995 bus_dmamap_t dmap = pcs->pci_xfer_dmap[isp_handle_index(handle)];
996 bus_dmamap_sync(pcs->pci_dmat, dmap, 0, dmap->dm_mapsize,
997 xs->xs_control & XS_CTL_DATA_IN ?
998 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
999 bus_dmamap_unload(pcs->pci_dmat, dmap);
1000 }
1001
1002 static void
1003 isp_pci_reset1(isp)
1004 struct ispsoftc *isp;
1005 {
1006 /* Make sure the BIOS is disabled */
1007 isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
1008 }
1009
1010 static void
1011 isp_pci_dumpregs(isp, msg)
1012 struct ispsoftc *isp;
1013 const char *msg;
1014 {
1015 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
1016 if (msg)
1017 printf("%s: %s\n", isp->isp_name, msg);
1018 if (IS_SCSI(isp))
1019 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
1020 else
1021 printf(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
1022 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
1023 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
1024 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
1025
1026
1027 if (IS_SCSI(isp)) {
1028 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
1029 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
1030 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
1031 ISP_READ(isp, CDMA_FIFO_STS));
1032 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
1033 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
1034 ISP_READ(isp, DDMA_FIFO_STS));
1035 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
1036 ISP_READ(isp, SXP_INTERRUPT),
1037 ISP_READ(isp, SXP_GROSS_ERR),
1038 ISP_READ(isp, SXP_PINS_CTRL));
1039 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
1040 }
1041 printf(" mbox regs: %x %x %x %x %x\n",
1042 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
1043 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
1044 ISP_READ(isp, OUTMAILBOX4));
1045 printf(" PCI Status Command/Status=%x\n",
1046 pci_conf_read(pcs->pci_pc, pcs->pci_tag, PCI_COMMAND_STATUS_REG));
1047 }
1048