isp_pci.c revision 1.62 1 /* $NetBSD: isp_pci.c,v 1.62 2000/12/23 01:38:01 wiz 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
67 static u_int16_t isp_pci_rd_reg __P((struct ispsoftc *, int));
68 static void isp_pci_wr_reg __P((struct ispsoftc *, int, u_int16_t));
69 #if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
70 static u_int16_t isp_pci_rd_reg_1080 __P((struct ispsoftc *, int));
71 static void isp_pci_wr_reg_1080 __P((struct ispsoftc *, int, u_int16_t));
72 #endif
73 static int isp_pci_mbxdma __P((struct ispsoftc *));
74 static int isp_pci_dmasetup __P((struct ispsoftc *, struct scsipi_xfer *,
75 ispreq_t *, u_int16_t *, u_int16_t));
76 static void isp_pci_dmateardown __P((struct ispsoftc *, struct scsipi_xfer *,
77 u_int32_t));
78 static void isp_pci_reset1 __P((struct ispsoftc *));
79 static void isp_pci_dumpregs __P((struct ispsoftc *, const char *));
80 static int isp_pci_intr __P((void *));
81
82 #if defined(ISP_DISABLE_1020_SUPPORT)
83 #define ISP_1040_RISC_CODE NULL
84 #else
85 #define ISP_1040_RISC_CODE isp_1040_risc_code
86 #include <dev/microcode/isp/asm_1040.h>
87 #endif
88
89 #if defined(ISP_DISABLE_1080_SUPPORT)
90 #define ISP_1080_RISC_CODE NULL
91 #else
92 #define ISP_1080_RISC_CODE isp_1080_risc_code
93 #include <dev/microcode/isp/asm_1080.h>
94 #endif
95
96 #if defined(ISP_DISABLE_12160_SUPPORT)
97 #define ISP_12160_RISC_CODE NULL
98 #else
99 #define ISP_12160_RISC_CODE isp_12160_risc_code
100 #include <dev/microcode/isp/asm_12160.h>
101 #endif
102
103 #if defined(ISP_DISABLE_2100_SUPPORT)
104 #define ISP_2100_RISC_CODE NULL
105 #else
106 #define ISP_2100_RISC_CODE isp_2100_risc_code
107 #include <dev/microcode/isp/asm_2100.h>
108 #endif
109
110 #if defined(ISP_DISABLE_2200_SUPPORT)
111 #define ISP_2200_RISC_CODE NULL
112 #else
113 #define ISP_2200_RISC_CODE isp_2200_risc_code
114 #include <dev/microcode/isp/asm_2200.h>
115 #endif
116
117 #ifndef ISP_DISABLE_1020_SUPPORT
118 static struct ispmdvec mdvec = {
119 isp_pci_rd_reg,
120 isp_pci_wr_reg,
121 isp_pci_mbxdma,
122 isp_pci_dmasetup,
123 isp_pci_dmateardown,
124 NULL,
125 isp_pci_reset1,
126 isp_pci_dumpregs,
127 ISP_1040_RISC_CODE,
128 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
129 };
130 #endif
131
132 #ifndef ISP_DISABLE_1080_SUPPORT
133 static struct ispmdvec mdvec_1080 = {
134 isp_pci_rd_reg_1080,
135 isp_pci_wr_reg_1080,
136 isp_pci_mbxdma,
137 isp_pci_dmasetup,
138 isp_pci_dmateardown,
139 NULL,
140 isp_pci_reset1,
141 isp_pci_dumpregs,
142 ISP_1080_RISC_CODE,
143 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
144 };
145 #endif
146
147 #ifndef ISP_DISABLE_12160_SUPPORT
148 static struct ispmdvec mdvec_12160 = {
149 isp_pci_rd_reg_1080,
150 isp_pci_wr_reg_1080,
151 isp_pci_mbxdma,
152 isp_pci_dmasetup,
153 isp_pci_dmateardown,
154 NULL,
155 isp_pci_reset1,
156 isp_pci_dumpregs,
157 ISP_12160_RISC_CODE,
158 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
159 };
160 #endif
161
162 #ifndef ISP_DISABLE_2100_SUPPORT
163 static struct ispmdvec mdvec_2100 = {
164 isp_pci_rd_reg,
165 isp_pci_wr_reg,
166 isp_pci_mbxdma,
167 isp_pci_dmasetup,
168 isp_pci_dmateardown,
169 NULL,
170 isp_pci_reset1,
171 isp_pci_dumpregs,
172 ISP_2100_RISC_CODE
173 };
174 #endif
175
176 #ifndef ISP_DISABLE_2200_SUPPORT
177 static struct ispmdvec mdvec_2200 = {
178 isp_pci_rd_reg,
179 isp_pci_wr_reg,
180 isp_pci_mbxdma,
181 isp_pci_dmasetup,
182 isp_pci_dmateardown,
183 NULL,
184 isp_pci_reset1,
185 isp_pci_dumpregs,
186 ISP_2200_RISC_CODE
187 };
188 #endif
189
190 #ifndef PCI_VENDOR_QLOGIC
191 #define PCI_VENDOR_QLOGIC 0x1077
192 #endif
193
194 #ifndef PCI_PRODUCT_QLOGIC_ISP1020
195 #define PCI_PRODUCT_QLOGIC_ISP1020 0x1020
196 #endif
197
198 #ifndef PCI_PRODUCT_QLOGIC_ISP1080
199 #define PCI_PRODUCT_QLOGIC_ISP1080 0x1080
200 #endif
201
202 #ifndef PCI_PRODUCT_QLOGIC_ISP1240
203 #define PCI_PRODUCT_QLOGIC_ISP1240 0x1240
204 #endif
205
206 #ifndef PCI_PRODUCT_QLOGIC_ISP1280
207 #define PCI_PRODUCT_QLOGIC_ISP1280 0x1280
208 #endif
209
210 #ifndef PCI_PRODUCT_QLOGIC_ISP12160
211 #define PCI_PRODUCT_QLOGIC_ISP12160 0x1216
212 #endif
213
214 #ifndef PCI_PRODUCT_QLOGIC_ISP2100
215 #define PCI_PRODUCT_QLOGIC_ISP2100 0x2100
216 #endif
217
218 #ifndef PCI_PRODUCT_QLOGIC_ISP2200
219 #define PCI_PRODUCT_QLOGIC_ISP2200 0x2200
220 #endif
221
222 #define PCI_QLOGIC_ISP ((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
223
224 #define PCI_QLOGIC_ISP1080 \
225 ((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
226
227 #define PCI_QLOGIC_ISP1240 \
228 ((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
229
230 #define PCI_QLOGIC_ISP1280 \
231 ((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
232
233 #define PCI_QLOGIC_ISP12160 \
234 ((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
235
236 #define PCI_QLOGIC_ISP2100 \
237 ((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
238
239 #define PCI_QLOGIC_ISP2200 \
240 ((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
241
242 #define IO_MAP_REG 0x10
243 #define MEM_MAP_REG 0x14
244 #define PCIR_ROMADDR 0x30
245
246 #define PCI_DFLT_LTNCY 0x40
247 #define PCI_DFLT_LNSZ 0x10
248
249
250 static int isp_pci_probe __P((struct device *, struct cfdata *, void *));
251 static void isp_pci_attach __P((struct device *, struct device *, void *));
252
253 struct isp_pcisoftc {
254 struct ispsoftc pci_isp;
255 pci_chipset_tag_t pci_pc;
256 pcitag_t pci_tag;
257 bus_space_tag_t pci_st;
258 bus_space_handle_t pci_sh;
259 bus_dma_tag_t pci_dmat;
260 bus_dmamap_t pci_scratch_dmap; /* for fcp only */
261 bus_dmamap_t pci_rquest_dmap;
262 bus_dmamap_t pci_result_dmap;
263 bus_dmamap_t *pci_xfer_dmap;
264 void * pci_ih;
265 int16_t pci_poff[_NREG_BLKS];
266 };
267
268 struct cfattach isp_pci_ca = {
269 sizeof (struct isp_pcisoftc), isp_pci_probe, isp_pci_attach
270 };
271
272 #ifdef DEBUG
273 static char *vstring =
274 "Qlogic ISP Driver, NetBSD (pci) Platform Version %d.%d Core Version %d.%d";
275 #endif
276
277 static int
278 isp_pci_probe(parent, match, aux)
279 struct device *parent;
280 struct cfdata *match;
281 void *aux;
282 {
283 struct pci_attach_args *pa = aux;
284 switch (pa->pa_id) {
285 #ifndef ISP_DISABLE_1020_SUPPORT
286 case PCI_QLOGIC_ISP:
287 return (1);
288 #endif
289 #ifndef ISP_DISABLE_1080_SUPPORT
290 case PCI_QLOGIC_ISP1080:
291 case PCI_QLOGIC_ISP1240:
292 case PCI_QLOGIC_ISP1280:
293 return (1);
294 #endif
295 #ifndef ISP_DISABLE_12160_SUPPORT
296 case PCI_QLOGIC_ISP12160:
297 return (1);
298 #endif
299 #ifndef ISP_DISABLE_2100_SUPPORT
300 case PCI_QLOGIC_ISP2100:
301 return (1);
302 #endif
303 #ifndef ISP_DISABLE_2200_SUPPORT
304 case PCI_QLOGIC_ISP2200:
305 return (1);
306 #endif
307 default:
308 return (0);
309 }
310 }
311
312
313 static void
314 isp_pci_attach(parent, self, aux)
315 struct device *parent, *self;
316 void *aux;
317 {
318 #ifdef DEBUG
319 static char oneshot = 1;
320 #endif
321 static char *nomem = "%s: no mem for sdparam table\n";
322 u_int32_t data, rev, linesz = PCI_DFLT_LNSZ;
323 struct pci_attach_args *pa = aux;
324 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) self;
325 struct ispsoftc *isp = &pcs->pci_isp;
326 bus_space_tag_t st, iot, memt;
327 bus_space_handle_t sh, ioh, memh;
328 pci_intr_handle_t ih;
329 const char *intrstr;
330 int ioh_valid, memh_valid;
331
332 ioh_valid = (pci_mapreg_map(pa, IO_MAP_REG,
333 PCI_MAPREG_TYPE_IO, 0,
334 &iot, &ioh, NULL, NULL) == 0);
335 memh_valid = (pci_mapreg_map(pa, MEM_MAP_REG,
336 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
337 &memt, &memh, NULL, NULL) == 0);
338
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_LOGCONFIG|ISP_LOGWARN|ISP_LOGERR;
475 #ifdef SCSIDEBUG
476 isp->isp_dblev |= ISP_LOGDEBUG1|ISP_LOGDEBUG2;
477 #endif
478 #ifdef DEBUG
479 isp->isp_dblev |= ISP_LOGDEBUG0|ISP_LOGINFO;
480 #endif
481 #endif
482
483 #ifdef DEBUG
484 if (oneshot) {
485 oneshot = 0;
486 isp_prt(isp, ISP_LOGCONFIG, vstring,
487 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
488 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
489 }
490 #endif
491
492 isp->isp_revision = rev;
493
494 /*
495 * Make sure that command register set sanely.
496 */
497 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
498 data |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_INVALIDATE_ENABLE;
499
500 /*
501 * Not so sure about these- but I think it's important that they get
502 * enabled......
503 */
504 data |= PCI_COMMAND_PARITY_ENABLE | PCI_COMMAND_SERR_ENABLE;
505 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, data);
506
507 /*
508 * Make sure that the latency timer, cache line size,
509 * and ROM is disabled.
510 */
511 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
512 data &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
513 data &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT);
514 data |= (PCI_DFLT_LTNCY << PCI_LATTIMER_SHIFT);
515 data |= (linesz << PCI_CACHELINE_SHIFT);
516 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, data);
517
518 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR);
519 data &= ~1;
520 pci_conf_write(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR, data);
521
522 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
523 pa->pa_intrline, &ih)) {
524 printf("%s: couldn't map interrupt\n", isp->isp_name);
525 free(isp->isp_param, M_DEVBUF);
526 return;
527 }
528 intrstr = pci_intr_string(pa->pa_pc, ih);
529 if (intrstr == NULL)
530 intrstr = "<I dunno>";
531 pcs->pci_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO,
532 isp_pci_intr, isp);
533 if (pcs->pci_ih == NULL) {
534 printf("%s: couldn't establish interrupt at %s\n",
535 isp->isp_name, intrstr);
536 free(isp->isp_param, M_DEVBUF);
537 return;
538 }
539
540 printf("%s: interrupting at %s\n", isp->isp_name, intrstr);
541
542 if (IS_FC(isp)) {
543 DEFAULT_NODEWWN(isp) = 0x400000007F000002;
544 DEFAULT_PORTWWN(isp) = 0x400000007F000002;
545 }
546
547 isp->isp_confopts = self->dv_cfdata->cf_flags;
548 ISP_LOCK(isp);
549 isp->isp_osinfo.no_mbox_ints = 1;
550 isp_reset(isp);
551 if (isp->isp_state != ISP_RESETSTATE) {
552 ISP_UNLOCK(isp);
553 free(isp->isp_param, M_DEVBUF);
554 return;
555 }
556 ENABLE_INTS(isp);
557 isp_init(isp);
558 if (isp->isp_state != ISP_INITSTATE) {
559 isp_uninit(isp);
560 ISP_UNLOCK(isp);
561 free(isp->isp_param, M_DEVBUF);
562 return;
563 }
564 /*
565 * Do platform attach.
566 */
567 ISP_UNLOCK(isp);
568 isp_attach(isp);
569 if (isp->isp_state != ISP_RUNSTATE) {
570 ISP_LOCK(isp);
571 isp_uninit(isp);
572 free(isp->isp_param, M_DEVBUF);
573 ISP_UNLOCK(isp);
574 }
575 }
576
577 static u_int16_t
578 isp_pci_rd_reg(isp, regoff)
579 struct ispsoftc *isp;
580 int regoff;
581 {
582 u_int16_t rv;
583 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
584 int offset, oldconf = 0;
585
586 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
587 /*
588 * We will assume that someone has paused the RISC processor.
589 */
590 oldconf = isp_pci_rd_reg(isp, BIU_CONF1);
591 isp_pci_wr_reg(isp, BIU_CONF1, oldconf | BIU_PCI_CONF1_SXP);
592 delay(250);
593 }
594 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
595 offset += (regoff & 0xff);
596 rv = bus_space_read_2(pcs->pci_st, pcs->pci_sh, offset);
597 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
598 isp_pci_wr_reg(isp, BIU_CONF1, oldconf);
599 delay(250);
600 }
601 return (rv);
602 }
603
604 static void
605 isp_pci_wr_reg(isp, regoff, val)
606 struct ispsoftc *isp;
607 int regoff;
608 u_int16_t val;
609 {
610 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
611 int offset, oldconf = 0;
612
613 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
614 /*
615 * We will assume that someone has paused the RISC processor.
616 */
617 oldconf = isp_pci_rd_reg(isp, BIU_CONF1);
618 isp_pci_wr_reg(isp, BIU_CONF1, oldconf | BIU_PCI_CONF1_SXP);
619 delay(250);
620 }
621 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
622 offset += (regoff & 0xff);
623 bus_space_write_2(pcs->pci_st, pcs->pci_sh, offset, val);
624 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
625 isp_pci_wr_reg(isp, BIU_CONF1, oldconf);
626 delay(250);
627 }
628 }
629
630 #if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
631 static u_int16_t
632 isp_pci_rd_reg_1080(isp, regoff)
633 struct ispsoftc *isp;
634 int regoff;
635 {
636 u_int16_t rv, oc = 0;
637 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
638 int offset;
639
640 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
641 u_int16_t tc;
642 /*
643 * We will assume that someone has paused the RISC processor.
644 */
645 oc = isp_pci_rd_reg(isp, BIU_CONF1);
646 tc = oc & ~BIU_PCI1080_CONF1_DMA;
647 if (IS_1280(isp)) {
648 if (regoff & SXP_BANK1_SELECT)
649 tc |= BIU_PCI1080_CONF1_SXP0;
650 else
651 tc |= BIU_PCI1080_CONF1_SXP1;
652 } else {
653 tc |= BIU_PCI1080_CONF1_SXP0;
654 }
655 isp_pci_wr_reg(isp, BIU_CONF1, tc);
656 delay(250);
657 } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
658 oc = isp_pci_rd_reg(isp, BIU_CONF1);
659 isp_pci_wr_reg(isp, BIU_CONF1, oc | BIU_PCI1080_CONF1_DMA);
660 delay(250);
661 }
662 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
663 offset += (regoff & 0xff);
664 rv = bus_space_read_2(pcs->pci_st, pcs->pci_sh, offset);
665 /*
666 * Okay, because BIU_CONF1 is always nonzero
667 */
668 if (oc) {
669 isp_pci_wr_reg(isp, BIU_CONF1, oc);
670 delay(250);
671 }
672 return (rv);
673 }
674
675 static void
676 isp_pci_wr_reg_1080(isp, regoff, val)
677 struct ispsoftc *isp;
678 int regoff;
679 u_int16_t val;
680 {
681 u_int16_t oc = 0;
682 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
683 int offset;
684
685 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
686 u_int16_t tc;
687 /*
688 * We will assume that someone has paused the RISC processor.
689 */
690 oc = isp_pci_rd_reg(isp, BIU_CONF1);
691 tc = oc & ~BIU_PCI1080_CONF1_DMA;
692 if (IS_1280(isp)) {
693 if (regoff & SXP_BANK1_SELECT)
694 tc |= BIU_PCI1080_CONF1_SXP0;
695 else
696 tc |= BIU_PCI1080_CONF1_SXP1;
697 } else {
698 tc |= BIU_PCI1080_CONF1_SXP0;
699 }
700 isp_pci_wr_reg(isp, BIU_CONF1, tc);
701 delay(250);
702 } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
703 oc = isp_pci_rd_reg(isp, BIU_CONF1);
704 isp_pci_wr_reg(isp, BIU_CONF1, oc | BIU_PCI1080_CONF1_DMA);
705 delay(250);
706 }
707 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
708 offset += (regoff & 0xff);
709 bus_space_write_2(pcs->pci_st, pcs->pci_sh, offset, val);
710 /*
711 * Okay, because BIU_CONF1 is always nonzero
712 */
713 if (oc) {
714 isp_pci_wr_reg(isp, BIU_CONF1, oc);
715 delay(250);
716 }
717 }
718 #endif
719
720 static int
721 isp_pci_mbxdma(isp)
722 struct ispsoftc *isp;
723 {
724 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
725 bus_dma_tag_t dmat = pcs->pci_dmat;
726 bus_dma_segment_t sg;
727 bus_size_t len;
728 fcparam *fcp;
729 int rs, i;
730
731 if (isp->isp_rquest_dma) /* been here before? */
732 return (0);
733
734 len = isp->isp_maxcmds * sizeof (XS_T);
735 isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK);
736 if (isp->isp_xflist == NULL) {
737 isp_prt(isp, ISP_LOGERR, "cannot malloc xflist array");
738 return (1);
739 }
740 bzero(isp->isp_xflist, len);
741 len = isp->isp_maxcmds * sizeof (bus_dmamap_t);
742 pcs->pci_xfer_dmap = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK);
743 if (pcs->pci_xfer_dmap == NULL) {
744 free(isp->isp_xflist, M_DEVBUF);
745 isp->isp_xflist = NULL;
746 isp_prt(isp, ISP_LOGERR, "cannot malloc dma map array");
747 return (1);
748 }
749 for (i = 0; i < isp->isp_maxcmds; i++) {
750 if (bus_dmamap_create(dmat, MAXPHYS, (MAXPHYS / PAGE_SIZE) + 1,
751 MAXPHYS, 0, BUS_DMA_NOWAIT, &pcs->pci_xfer_dmap[i])) {
752 isp_prt(isp, ISP_LOGERR, "cannot create dma maps");
753 break;
754 }
755 }
756 if (i < isp->isp_maxcmds) {
757 while (--i >= 0) {
758 bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
759 }
760 free(isp->isp_xflist, M_DEVBUF);
761 free(pcs->pci_xfer_dmap, M_DEVBUF);
762 isp->isp_xflist = NULL;
763 pcs->pci_xfer_dmap = NULL;
764 return (1);
765 }
766
767 /*
768 * Allocate and map the request queue.
769 */
770 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
771 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
772 BUS_DMA_NOWAIT) ||
773 bus_dmamem_map(pcs->pci_dmat, &sg, rs, len,
774 (caddr_t *)&isp->isp_rquest, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
775 goto dmafail;
776 }
777
778 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
779 &pcs->pci_rquest_dmap) || bus_dmamap_load(dmat,
780 pcs->pci_rquest_dmap, (caddr_t)isp->isp_rquest, len, NULL,
781 BUS_DMA_NOWAIT)) {
782 goto dmafail;
783 }
784
785 isp->isp_rquest_dma = pcs->pci_rquest_dmap->dm_segs[0].ds_addr;
786
787 /*
788 * Allocate and map the result queue.
789 */
790 len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
791 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
792 BUS_DMA_NOWAIT) ||
793 bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&isp->isp_result,
794 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
795 goto dmafail;
796 }
797 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
798 &pcs->pci_result_dmap) || bus_dmamap_load(pcs->pci_dmat,
799 pcs->pci_result_dmap, (caddr_t)isp->isp_result, len, NULL,
800 BUS_DMA_NOWAIT)) {
801 goto dmafail;
802 }
803 isp->isp_result_dma = pcs->pci_result_dmap->dm_segs[0].ds_addr;
804
805 if (IS_SCSI(isp)) {
806 return (0);
807 }
808
809 fcp = isp->isp_param;
810 len = ISP2100_SCRLEN;
811 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
812 BUS_DMA_NOWAIT) ||
813 bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&fcp->isp_scratch,
814 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
815 goto dmafail;
816 }
817 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
818 &pcs->pci_scratch_dmap) || bus_dmamap_load(dmat,
819 pcs->pci_scratch_dmap, (caddr_t)fcp->isp_scratch, len, NULL,
820 BUS_DMA_NOWAIT)) {
821 goto dmafail;
822 }
823 fcp->isp_scdma = pcs->pci_scratch_dmap->dm_segs[0].ds_addr;
824 return (0);
825 dmafail:
826 isp_prt(isp, ISP_LOGERR, "mailbox dma setup failure");
827 for (i = 0; i < isp->isp_maxcmds; i++) {
828 bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
829 }
830 free(isp->isp_xflist, M_DEVBUF);
831 free(pcs->pci_xfer_dmap, M_DEVBUF);
832 isp->isp_xflist = NULL;
833 pcs->pci_xfer_dmap = NULL;
834 return (1);
835 }
836
837 static int
838 isp_pci_dmasetup(isp, xs, rq, iptrp, optr)
839 struct ispsoftc *isp;
840 struct scsipi_xfer *xs;
841 ispreq_t *rq;
842 u_int16_t *iptrp;
843 u_int16_t optr;
844 {
845 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
846 bus_dmamap_t dmap;
847 ispcontreq_t *crq;
848 int segcnt, seg, error, ovseg, seglim, drq;
849
850 dmap = pcs->pci_xfer_dmap[isp_handle_index(rq->req_handle)];
851
852 if (xs->datalen == 0) {
853 rq->req_seg_count = 1;
854 goto mbxsync;
855 }
856 if (xs->xs_control & XS_CTL_DATA_IN) {
857 drq = REQFLAG_DATA_IN;
858 } else {
859 drq = REQFLAG_DATA_OUT;
860 }
861
862 if (IS_FC(isp)) {
863 seglim = ISP_RQDSEG_T2;
864 ((ispreqt2_t *)rq)->req_totalcnt = xs->datalen;
865 ((ispreqt2_t *)rq)->req_flags |= drq;
866 } else {
867 rq->req_flags |= drq;
868 if (XS_CDBLEN(xs) > 12) {
869 seglim = 0;
870 } else {
871 seglim = ISP_RQDSEG;
872 }
873 }
874 error = bus_dmamap_load(pcs->pci_dmat, dmap, xs->data, xs->datalen,
875 NULL, xs->xs_control & XS_CTL_NOSLEEP ?
876 BUS_DMA_NOWAIT : BUS_DMA_WAITOK);
877 if (error) {
878 XS_SETERR(xs, HBA_BOTCH);
879 return (CMD_COMPLETE);
880 }
881
882 segcnt = dmap->dm_nsegs;
883
884 isp_prt(isp, ISP_LOGDEBUG2, "%d byte %s %p in %d segs",
885 xs->datalen, (xs->xs_control & XS_CTL_DATA_IN)? "read to" :
886 "write from", xs->data, segcnt);
887
888 for (seg = 0, rq->req_seg_count = 0;
889 seglim && seg < segcnt && rq->req_seg_count < seglim;
890 seg++, rq->req_seg_count++) {
891 if (IS_FC(isp)) {
892 ispreqt2_t *rq2 = (ispreqt2_t *)rq;
893 #if _BYTE_ORDER == _BIG_ENDIAN
894 rq2->req_dataseg[rq2->req_seg_count].ds_count =
895 bswap32(dmap->dm_segs[seg].ds_len);
896 rq2->req_dataseg[rq2->req_seg_count].ds_base =
897 bswap32(dmap->dm_segs[seg].ds_addr);
898 #else
899 rq2->req_dataseg[rq2->req_seg_count].ds_count =
900 dmap->dm_segs[seg].ds_len;
901 rq2->req_dataseg[rq2->req_seg_count].ds_base =
902 dmap->dm_segs[seg].ds_addr;
903 #endif
904 } else {
905 #if _BYTE_ORDER == _BIG_ENDIAN
906 rq->req_dataseg[rq->req_seg_count].ds_count =
907 bswap32(dmap->dm_segs[seg].ds_len);
908 rq->req_dataseg[rq->req_seg_count].ds_base =
909 bswap32(dmap->dm_segs[seg].ds_addr);
910 #else
911 rq->req_dataseg[rq->req_seg_count].ds_count =
912 dmap->dm_segs[seg].ds_len;
913 rq->req_dataseg[rq->req_seg_count].ds_base =
914 dmap->dm_segs[seg].ds_addr;
915 #endif
916 }
917 isp_prt(isp, ISP_LOGDEBUG2, "seg0.[%d]={0x%x,%d}",
918 rq->req_seg_count, dmap->dm_segs[seg].ds_addr,
919 dmap->dm_segs[seg].ds_len);
920 }
921
922 if (seg == segcnt)
923 goto dmasync;
924
925 do {
926 crq = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, *iptrp);
927 *iptrp = ISP_NXT_QENTRY(*iptrp, RQUEST_QUEUE_LEN(isp));
928 if (*iptrp == optr) {
929 isp_prt(isp, ISP_LOGDEBUG0, "Request Queue Overflow++");
930 bus_dmamap_unload(pcs->pci_dmat, dmap);
931 XS_SETERR(xs, HBA_BOTCH);
932 return (CMD_EAGAIN);
933 }
934 rq->req_header.rqs_entry_count++;
935 bzero((void *)crq, sizeof (*crq));
936 crq->req_header.rqs_entry_count = 1;
937 crq->req_header.rqs_entry_type = RQSTYPE_DATASEG;
938
939 for (ovseg = 0; seg < segcnt && ovseg < ISP_CDSEG;
940 rq->req_seg_count++, seg++, ovseg++) {
941 #if _BYTE_ORDER == _BIG_ENDIAN
942 crq->req_dataseg[ovseg].ds_count =
943 bswap32(dmap->dm_segs[seg].ds_len);
944 crq->req_dataseg[ovseg].ds_base =
945 bswap32(dmap->dm_segs[seg].ds_addr);
946 #else
947 crq->req_dataseg[ovseg].ds_count =
948 dmap->dm_segs[seg].ds_len;
949 crq->req_dataseg[ovseg].ds_base =
950 dmap->dm_segs[seg].ds_addr;
951 #endif
952 isp_prt(isp, ISP_LOGDEBUG2, "seg%d.[%d]={0x%x,%d}",
953 rq->req_header.rqs_entry_count - 1,
954 rq->req_seg_count, dmap->dm_segs[seg].ds_addr,
955 dmap->dm_segs[seg].ds_len);
956 }
957 } while (seg < segcnt);
958
959
960 dmasync:
961 bus_dmamap_sync(pcs->pci_dmat, dmap, 0, dmap->dm_mapsize,
962 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD :
963 BUS_DMASYNC_PREWRITE);
964
965 mbxsync:
966 ISP_SWIZZLE_REQUEST(isp, rq);
967 bus_dmamap_sync(pcs->pci_dmat, pcs->pci_rquest_dmap, 0,
968 pcs->pci_rquest_dmap->dm_mapsize, BUS_DMASYNC_PREWRITE);
969 return (CMD_QUEUED);
970 }
971
972 static int
973 isp_pci_intr(arg)
974 void *arg;
975 {
976 int rv;
977 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)arg;
978 bus_dmamap_sync(pcs->pci_dmat, pcs->pci_result_dmap, 0,
979 pcs->pci_result_dmap->dm_mapsize, BUS_DMASYNC_POSTREAD);
980 pcs->pci_isp.isp_osinfo.onintstack = 1;
981 rv = isp_intr(arg);
982 pcs->pci_isp.isp_osinfo.onintstack = 0;
983 return (rv);
984 }
985
986 static void
987 isp_pci_dmateardown(isp, xs, handle)
988 struct ispsoftc *isp;
989 struct scsipi_xfer *xs;
990 u_int32_t handle;
991 {
992 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
993 bus_dmamap_t dmap = pcs->pci_xfer_dmap[isp_handle_index(handle)];
994 bus_dmamap_sync(pcs->pci_dmat, dmap, 0, dmap->dm_mapsize,
995 xs->xs_control & XS_CTL_DATA_IN ?
996 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
997 bus_dmamap_unload(pcs->pci_dmat, dmap);
998 }
999
1000 static void
1001 isp_pci_reset1(isp)
1002 struct ispsoftc *isp;
1003 {
1004 /* Make sure the BIOS is disabled */
1005 isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
1006 }
1007
1008 static void
1009 isp_pci_dumpregs(isp, msg)
1010 struct ispsoftc *isp;
1011 const char *msg;
1012 {
1013 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
1014 if (msg)
1015 printf("%s: %s\n", isp->isp_name, msg);
1016 if (IS_SCSI(isp))
1017 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
1018 else
1019 printf(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
1020 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
1021 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
1022 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
1023
1024
1025 if (IS_SCSI(isp)) {
1026 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
1027 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
1028 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
1029 ISP_READ(isp, CDMA_FIFO_STS));
1030 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
1031 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
1032 ISP_READ(isp, DDMA_FIFO_STS));
1033 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
1034 ISP_READ(isp, SXP_INTERRUPT),
1035 ISP_READ(isp, SXP_GROSS_ERR),
1036 ISP_READ(isp, SXP_PINS_CTRL));
1037 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
1038 }
1039 printf(" mbox regs: %x %x %x %x %x\n",
1040 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
1041 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
1042 ISP_READ(isp, OUTMAILBOX4));
1043 printf(" PCI Status Command/Status=%x\n",
1044 pci_conf_read(pcs->pci_pc, pcs->pci_tag, PCI_COMMAND_STATUS_REG));
1045 }
1046