isp_pci.c revision 1.68 1 /* $NetBSD: isp_pci.c,v 1.68 2001/03/14 05:47:56 mjacob 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 */
33 /*
34 * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration
35 * All rights reserved.
36 *
37 * Additional Copyright (C) 2000, 2001 by Matthew Jacob
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 * 1. Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * 2. The name of the author may not be used to endorse or promote products
45 * derived from this software without specific prior written permission
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
48 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
50 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
51 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
52 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
53 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
54 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
55 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
56 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
57 */
58
59 #include <dev/ic/isp_netbsd.h>
60 #include <dev/pci/pcireg.h>
61 #include <dev/pci/pcivar.h>
62 #include <dev/pci/pcidevs.h>
63 #include <uvm/uvm_extern.h>
64 #include <sys/reboot.h>
65
66 static u_int16_t isp_pci_rd_reg(struct ispsoftc *, int);
67 static void isp_pci_wr_reg(struct ispsoftc *, int, u_int16_t);
68 #if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
69 static u_int16_t isp_pci_rd_reg_1080(struct ispsoftc *, int);
70 static void isp_pci_wr_reg_1080(struct ispsoftc *, int, u_int16_t);
71 #endif
72 static int isp_pci_mbxdma(struct ispsoftc *);
73 static int isp_pci_dmasetup(struct ispsoftc *, XS_T *, ispreq_t *,
74 u_int16_t *, u_int16_t);
75 static void isp_pci_dmateardown(struct ispsoftc *, XS_T *, u_int16_t);
76 static void isp_pci_reset1(struct ispsoftc *);
77 static void isp_pci_dumpregs(struct ispsoftc *, const char *);
78 static int isp_pci_intr(void *);
79
80 #if defined(ISP_DISABLE_1020_SUPPORT)
81 #define ISP_1040_RISC_CODE NULL
82 #else
83 #define ISP_1040_RISC_CODE isp_1040_risc_code
84 #include <dev/microcode/isp/asm_1040.h>
85 #endif
86
87 #if defined(ISP_DISABLE_1080_SUPPORT)
88 #define ISP_1080_RISC_CODE NULL
89 #else
90 #define ISP_1080_RISC_CODE isp_1080_risc_code
91 #include <dev/microcode/isp/asm_1080.h>
92 #endif
93
94 #if defined(ISP_DISABLE_12160_SUPPORT)
95 #define ISP_12160_RISC_CODE NULL
96 #else
97 #define ISP_12160_RISC_CODE isp_12160_risc_code
98 #include <dev/microcode/isp/asm_12160.h>
99 #endif
100
101 #if defined(ISP_DISABLE_2100_SUPPORT)
102 #define ISP_2100_RISC_CODE NULL
103 #else
104 #define ISP_2100_RISC_CODE isp_2100_risc_code
105 #include <dev/microcode/isp/asm_2100.h>
106 #endif
107
108 #if defined(ISP_DISABLE_2200_SUPPORT)
109 #define ISP_2200_RISC_CODE NULL
110 #else
111 #define ISP_2200_RISC_CODE isp_2200_risc_code
112 #include <dev/microcode/isp/asm_2200.h>
113 #endif
114
115 #ifndef ISP_DISABLE_1020_SUPPORT
116 static struct ispmdvec mdvec = {
117 isp_pci_rd_reg,
118 isp_pci_wr_reg,
119 isp_pci_mbxdma,
120 isp_pci_dmasetup,
121 isp_pci_dmateardown,
122 NULL,
123 isp_pci_reset1,
124 isp_pci_dumpregs,
125 ISP_1040_RISC_CODE,
126 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
127 };
128 #endif
129
130 #ifndef ISP_DISABLE_1080_SUPPORT
131 static struct ispmdvec mdvec_1080 = {
132 isp_pci_rd_reg_1080,
133 isp_pci_wr_reg_1080,
134 isp_pci_mbxdma,
135 isp_pci_dmasetup,
136 isp_pci_dmateardown,
137 NULL,
138 isp_pci_reset1,
139 isp_pci_dumpregs,
140 ISP_1080_RISC_CODE,
141 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
142 };
143 #endif
144
145 #ifndef ISP_DISABLE_12160_SUPPORT
146 static struct ispmdvec mdvec_12160 = {
147 isp_pci_rd_reg_1080,
148 isp_pci_wr_reg_1080,
149 isp_pci_mbxdma,
150 isp_pci_dmasetup,
151 isp_pci_dmateardown,
152 NULL,
153 isp_pci_reset1,
154 isp_pci_dumpregs,
155 ISP_12160_RISC_CODE,
156 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
157 };
158 #endif
159
160 #ifndef ISP_DISABLE_2100_SUPPORT
161 static struct ispmdvec mdvec_2100 = {
162 isp_pci_rd_reg,
163 isp_pci_wr_reg,
164 isp_pci_mbxdma,
165 isp_pci_dmasetup,
166 isp_pci_dmateardown,
167 NULL,
168 isp_pci_reset1,
169 isp_pci_dumpregs,
170 ISP_2100_RISC_CODE
171 };
172 #endif
173
174 #ifndef ISP_DISABLE_2200_SUPPORT
175 static struct ispmdvec mdvec_2200 = {
176 isp_pci_rd_reg,
177 isp_pci_wr_reg,
178 isp_pci_mbxdma,
179 isp_pci_dmasetup,
180 isp_pci_dmateardown,
181 NULL,
182 isp_pci_reset1,
183 isp_pci_dumpregs,
184 ISP_2200_RISC_CODE
185 };
186 #endif
187
188 #ifndef PCI_VENDOR_QLOGIC
189 #define PCI_VENDOR_QLOGIC 0x1077
190 #endif
191
192 #ifndef PCI_PRODUCT_QLOGIC_ISP1020
193 #define PCI_PRODUCT_QLOGIC_ISP1020 0x1020
194 #endif
195
196 #ifndef PCI_PRODUCT_QLOGIC_ISP1080
197 #define PCI_PRODUCT_QLOGIC_ISP1080 0x1080
198 #endif
199
200 #ifndef PCI_PRODUCT_QLOGIC_ISP1240
201 #define PCI_PRODUCT_QLOGIC_ISP1240 0x1240
202 #endif
203
204 #ifndef PCI_PRODUCT_QLOGIC_ISP1280
205 #define PCI_PRODUCT_QLOGIC_ISP1280 0x1280
206 #endif
207
208 #ifndef PCI_PRODUCT_QLOGIC_ISP12160
209 #define PCI_PRODUCT_QLOGIC_ISP12160 0x1216
210 #endif
211
212 #ifndef PCI_PRODUCT_QLOGIC_ISP2100
213 #define PCI_PRODUCT_QLOGIC_ISP2100 0x2100
214 #endif
215
216 #ifndef PCI_PRODUCT_QLOGIC_ISP2200
217 #define PCI_PRODUCT_QLOGIC_ISP2200 0x2200
218 #endif
219
220 #define PCI_QLOGIC_ISP ((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
221
222 #define PCI_QLOGIC_ISP1080 \
223 ((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
224
225 #define PCI_QLOGIC_ISP1240 \
226 ((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
227
228 #define PCI_QLOGIC_ISP1280 \
229 ((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
230
231 #define PCI_QLOGIC_ISP12160 \
232 ((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
233
234 #define PCI_QLOGIC_ISP2100 \
235 ((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
236
237 #define PCI_QLOGIC_ISP2200 \
238 ((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
239
240 #define IO_MAP_REG 0x10
241 #define MEM_MAP_REG 0x14
242 #define PCIR_ROMADDR 0x30
243
244 #define PCI_DFLT_LTNCY 0x40
245 #define PCI_DFLT_LNSZ 0x10
246
247
248 static int isp_pci_probe(struct device *, struct cfdata *, void *);
249 static void isp_pci_attach(struct device *, struct device *, void *);
250
251 struct isp_pcisoftc {
252 struct ispsoftc pci_isp;
253 pci_chipset_tag_t pci_pc;
254 pcitag_t pci_tag;
255 bus_space_tag_t pci_st;
256 bus_space_handle_t pci_sh;
257 bus_dma_tag_t pci_dmat;
258 bus_dmamap_t pci_scratch_dmap; /* for fcp only */
259 bus_dmamap_t pci_rquest_dmap;
260 bus_dmamap_t pci_result_dmap;
261 bus_dmamap_t *pci_xfer_dmap;
262 void * pci_ih;
263 int16_t pci_poff[_NREG_BLKS];
264 };
265
266 struct cfattach isp_pci_ca = {
267 sizeof (struct isp_pcisoftc), isp_pci_probe, isp_pci_attach
268 };
269
270 #ifdef DEBUG
271 const char vstring[] =
272 "Qlogic ISP Driver, NetBSD (pci) Platform Version %d.%d Core Version %d.%d";
273 #endif
274
275 static int
276 isp_pci_probe(struct device *parent, struct cfdata *match, void *aux)
277 {
278 struct pci_attach_args *pa = aux;
279 switch (pa->pa_id) {
280 #ifndef ISP_DISABLE_1020_SUPPORT
281 case PCI_QLOGIC_ISP:
282 return (1);
283 #endif
284 #ifndef ISP_DISABLE_1080_SUPPORT
285 case PCI_QLOGIC_ISP1080:
286 case PCI_QLOGIC_ISP1240:
287 case PCI_QLOGIC_ISP1280:
288 return (1);
289 #endif
290 #ifndef ISP_DISABLE_12160_SUPPORT
291 case PCI_QLOGIC_ISP12160:
292 return (1);
293 #endif
294 #ifndef ISP_DISABLE_2100_SUPPORT
295 case PCI_QLOGIC_ISP2100:
296 return (1);
297 #endif
298 #ifndef ISP_DISABLE_2200_SUPPORT
299 case PCI_QLOGIC_ISP2200:
300 return (1);
301 #endif
302 default:
303 return (0);
304 }
305 }
306
307
308 static void
309 isp_pci_attach(struct device *parent, struct device *self, void *aux)
310 {
311 #ifdef DEBUG
312 static char oneshot = 1;
313 #endif
314 static const char nomem[] = "%s: no mem for sdparam table\n";
315 u_int32_t data, rev, linesz = PCI_DFLT_LNSZ;
316 struct pci_attach_args *pa = aux;
317 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) self;
318 struct ispsoftc *isp = &pcs->pci_isp;
319 bus_space_tag_t st, iot, memt;
320 bus_space_handle_t sh, ioh, memh;
321 pci_intr_handle_t ih;
322 const char *intrstr;
323 int ioh_valid, memh_valid;
324
325 ioh_valid = (pci_mapreg_map(pa, IO_MAP_REG,
326 PCI_MAPREG_TYPE_IO, 0,
327 &iot, &ioh, NULL, NULL) == 0);
328 memh_valid = (pci_mapreg_map(pa, MEM_MAP_REG,
329 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
330 &memt, &memh, NULL, NULL) == 0);
331 if (memh_valid) {
332 st = memt;
333 sh = memh;
334 } else if (ioh_valid) {
335 st = iot;
336 sh = ioh;
337 } else {
338 printf(": unable to map device registers\n");
339 return;
340 }
341 printf("\n");
342
343 pcs->pci_st = st;
344 pcs->pci_sh = sh;
345 pcs->pci_dmat = pa->pa_dmat;
346 pcs->pci_pc = pa->pa_pc;
347 pcs->pci_tag = pa->pa_tag;
348 pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
349 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
350 pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
351 pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
352 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
353 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0xff;
354
355 #ifndef ISP_DISABLE_1020_SUPPORT
356 if (pa->pa_id == PCI_QLOGIC_ISP) {
357 isp->isp_mdvec = &mdvec;
358 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
359 isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
360 if (isp->isp_param == NULL) {
361 printf(nomem, isp->isp_name);
362 return;
363 }
364 bzero(isp->isp_param, sizeof (sdparam));
365 }
366 #endif
367 #ifndef ISP_DISABLE_1080_SUPPORT
368 if (pa->pa_id == PCI_QLOGIC_ISP1080) {
369 isp->isp_mdvec = &mdvec_1080;
370 isp->isp_type = ISP_HA_SCSI_1080;
371 isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
372 if (isp->isp_param == NULL) {
373 printf(nomem, isp->isp_name);
374 return;
375 }
376 bzero(isp->isp_param, sizeof (sdparam));
377 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
378 ISP1080_DMA_REGS_OFF;
379 }
380 if (pa->pa_id == PCI_QLOGIC_ISP1240) {
381 isp->isp_mdvec = &mdvec_1080;
382 isp->isp_type = ISP_HA_SCSI_1240;
383 isp->isp_param =
384 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
385 if (isp->isp_param == NULL) {
386 printf(nomem, isp->isp_name);
387 return;
388 }
389 bzero(isp->isp_param, 2 * sizeof (sdparam));
390 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
391 ISP1080_DMA_REGS_OFF;
392 }
393 if (pa->pa_id == PCI_QLOGIC_ISP1280) {
394 isp->isp_mdvec = &mdvec_1080;
395 isp->isp_type = ISP_HA_SCSI_1280;
396 isp->isp_param =
397 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
398 if (isp->isp_param == NULL) {
399 printf(nomem, isp->isp_name);
400 return;
401 }
402 bzero(isp->isp_param, 2 * sizeof (sdparam));
403 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
404 ISP1080_DMA_REGS_OFF;
405 }
406 #endif
407 #ifndef ISP_DISABLE_12160_SUPPORT
408 if (pa->pa_id == PCI_QLOGIC_ISP12160) {
409 isp->isp_mdvec = &mdvec_12160;
410 isp->isp_type = ISP_HA_SCSI_12160;
411 isp->isp_param =
412 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
413 if (isp->isp_param == NULL) {
414 printf(nomem, isp->isp_name);
415 return;
416 }
417 bzero(isp->isp_param, 2 * sizeof (sdparam));
418 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
419 ISP1080_DMA_REGS_OFF;
420 }
421 #endif
422 #ifndef ISP_DISABLE_2100_SUPPORT
423 if (pa->pa_id == PCI_QLOGIC_ISP2100) {
424 isp->isp_mdvec = &mdvec_2100;
425 isp->isp_type = ISP_HA_FC_2100;
426 isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
427 if (isp->isp_param == NULL) {
428 printf(nomem, isp->isp_name);
429 return;
430 }
431 bzero(isp->isp_param, sizeof (fcparam));
432 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
433 PCI_MBOX_REGS2100_OFF;
434 if (rev < 3) {
435 /*
436 * XXX: Need to get the actual revision
437 * XXX: number of the 2100 FB. At any rate,
438 * XXX: lower cache line size for early revision
439 * XXX; boards.
440 */
441 linesz = 1;
442 }
443 }
444 #endif
445 #ifndef ISP_DISABLE_2200_SUPPORT
446 if (pa->pa_id == PCI_QLOGIC_ISP2200) {
447 isp->isp_mdvec = &mdvec_2200;
448 isp->isp_type = ISP_HA_FC_2200;
449 isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
450 if (isp->isp_param == NULL) {
451 printf(nomem, isp->isp_name);
452 return;
453 }
454 bzero(isp->isp_param, sizeof (fcparam));
455 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
456 PCI_MBOX_REGS2100_OFF;
457 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
458 }
459 #endif
460 /*
461 * Set up logging levels.
462 */
463 #ifdef ISP_LOGDEFAULT
464 isp->isp_dblev = ISP_LOGDEFAULT;
465 #else
466 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
467 if (bootverbose)
468 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
469 #ifdef SCSIDEBUG
470 isp->isp_dblev |= ISP_LOGDEBUG1|ISP_LOGDEBUG2;
471 #endif
472 #ifdef DEBUG
473 isp->isp_dblev |= ISP_LOGDEBUG0;
474 #endif
475 #endif
476
477 #ifdef DEBUG
478 if (oneshot) {
479 oneshot = 0;
480 isp_prt(isp, ISP_LOGCONFIG, vstring,
481 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
482 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
483 }
484 #endif
485
486 isp->isp_revision = rev;
487
488 /*
489 * Make sure that command register set sanely.
490 */
491 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
492 data |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_INVALIDATE_ENABLE;
493
494 /*
495 * Not so sure about these- but I think it's important that they get
496 * enabled......
497 */
498 data |= PCI_COMMAND_PARITY_ENABLE | PCI_COMMAND_SERR_ENABLE;
499 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, data);
500
501 /*
502 * Make sure that the latency timer, cache line size,
503 * and ROM is disabled.
504 */
505 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
506 data &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
507 data &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT);
508 data |= (PCI_DFLT_LTNCY << PCI_LATTIMER_SHIFT);
509 data |= (linesz << PCI_CACHELINE_SHIFT);
510 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, data);
511
512 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR);
513 data &= ~1;
514 pci_conf_write(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR, data);
515
516 if (pci_intr_map(pa, &ih)) {
517 printf("%s: couldn't map interrupt\n", isp->isp_name);
518 free(isp->isp_param, M_DEVBUF);
519 return;
520 }
521 intrstr = pci_intr_string(pa->pa_pc, ih);
522 if (intrstr == NULL)
523 intrstr = "<I dunno>";
524 pcs->pci_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO,
525 isp_pci_intr, isp);
526 if (pcs->pci_ih == NULL) {
527 printf("%s: couldn't establish interrupt at %s\n",
528 isp->isp_name, intrstr);
529 free(isp->isp_param, M_DEVBUF);
530 return;
531 }
532
533 printf("%s: interrupting at %s\n", isp->isp_name, intrstr);
534
535 if (IS_FC(isp)) {
536 DEFAULT_NODEWWN(isp) = 0x400000007F000002;
537 DEFAULT_PORTWWN(isp) = 0x400000007F000002;
538 }
539
540 isp->isp_confopts = self->dv_cfdata->cf_flags;
541 isp->isp_role = ISP_DEFAULT_ROLES;
542 ISP_LOCK(isp);
543 isp->isp_osinfo.no_mbox_ints = 1;
544 isp_reset(isp);
545 if (isp->isp_state != ISP_RESETSTATE) {
546 ISP_UNLOCK(isp);
547 free(isp->isp_param, M_DEVBUF);
548 return;
549 }
550 ENABLE_INTS(isp);
551 isp_init(isp);
552 if (isp->isp_state != ISP_INITSTATE) {
553 isp_uninit(isp);
554 ISP_UNLOCK(isp);
555 free(isp->isp_param, M_DEVBUF);
556 return;
557 }
558 /*
559 * Do platform attach.
560 */
561 ISP_UNLOCK(isp);
562 isp_attach(isp);
563 if (isp->isp_state != ISP_RUNSTATE) {
564 ISP_LOCK(isp);
565 isp_uninit(isp);
566 free(isp->isp_param, M_DEVBUF);
567 ISP_UNLOCK(isp);
568 }
569 }
570
571 static u_int16_t
572 isp_pci_rd_reg(struct ispsoftc *isp, int regoff)
573 {
574 u_int16_t rv;
575 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
576 int offset, oldconf = 0;
577
578 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
579 /*
580 * We will assume that someone has paused the RISC processor.
581 */
582 oldconf = isp_pci_rd_reg(isp, BIU_CONF1);
583 isp_pci_wr_reg(isp, BIU_CONF1, oldconf | BIU_PCI_CONF1_SXP);
584 delay(250);
585 }
586 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
587 offset += (regoff & 0xff);
588 rv = bus_space_read_2(pcs->pci_st, pcs->pci_sh, offset);
589 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
590 isp_pci_wr_reg(isp, BIU_CONF1, oldconf);
591 delay(250);
592 }
593 return (rv);
594 }
595
596 static void
597 isp_pci_wr_reg(struct ispsoftc *isp, int regoff, u_int16_t val)
598 {
599 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
600 int offset, oldconf = 0;
601
602 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
603 /*
604 * We will assume that someone has paused the RISC processor.
605 */
606 oldconf = isp_pci_rd_reg(isp, BIU_CONF1);
607 isp_pci_wr_reg(isp, BIU_CONF1, oldconf | BIU_PCI_CONF1_SXP);
608 delay(250);
609 }
610 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
611 offset += (regoff & 0xff);
612 bus_space_write_2(pcs->pci_st, pcs->pci_sh, offset, val);
613 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
614 isp_pci_wr_reg(isp, BIU_CONF1, oldconf);
615 delay(250);
616 }
617 }
618
619 #if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
620 static u_int16_t
621 isp_pci_rd_reg_1080(struct ispsoftc *isp, int regoff)
622 {
623 u_int16_t rv, oc = 0;
624 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
625 int offset;
626
627 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
628 u_int16_t tc;
629 /*
630 * We will assume that someone has paused the RISC processor.
631 */
632 oc = isp_pci_rd_reg(isp, BIU_CONF1);
633 tc = oc & ~BIU_PCI1080_CONF1_DMA;
634 if (IS_1280(isp)) {
635 if (regoff & SXP_BANK1_SELECT)
636 tc |= BIU_PCI1080_CONF1_SXP0;
637 else
638 tc |= BIU_PCI1080_CONF1_SXP1;
639 } else {
640 tc |= BIU_PCI1080_CONF1_SXP0;
641 }
642 isp_pci_wr_reg(isp, BIU_CONF1, tc);
643 delay(250);
644 } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
645 oc = isp_pci_rd_reg(isp, BIU_CONF1);
646 isp_pci_wr_reg(isp, BIU_CONF1, oc | BIU_PCI1080_CONF1_DMA);
647 delay(250);
648 }
649 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
650 offset += (regoff & 0xff);
651 rv = bus_space_read_2(pcs->pci_st, pcs->pci_sh, offset);
652 /*
653 * Okay, because BIU_CONF1 is always nonzero
654 */
655 if (oc) {
656 isp_pci_wr_reg(isp, BIU_CONF1, oc);
657 delay(250);
658 }
659 return (rv);
660 }
661
662 static void
663 isp_pci_wr_reg_1080(struct ispsoftc *isp, int regoff, u_int16_t val)
664 {
665 u_int16_t oc = 0;
666 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
667 int offset;
668
669 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
670 u_int16_t tc;
671 /*
672 * We will assume that someone has paused the RISC processor.
673 */
674 oc = isp_pci_rd_reg(isp, BIU_CONF1);
675 tc = oc & ~BIU_PCI1080_CONF1_DMA;
676 if (IS_1280(isp)) {
677 if (regoff & SXP_BANK1_SELECT)
678 tc |= BIU_PCI1080_CONF1_SXP0;
679 else
680 tc |= BIU_PCI1080_CONF1_SXP1;
681 } else {
682 tc |= BIU_PCI1080_CONF1_SXP0;
683 }
684 isp_pci_wr_reg(isp, BIU_CONF1, tc);
685 delay(250);
686 } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
687 oc = isp_pci_rd_reg(isp, BIU_CONF1);
688 isp_pci_wr_reg(isp, BIU_CONF1, oc | BIU_PCI1080_CONF1_DMA);
689 delay(250);
690 }
691 offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
692 offset += (regoff & 0xff);
693 bus_space_write_2(pcs->pci_st, pcs->pci_sh, offset, val);
694 /*
695 * Okay, because BIU_CONF1 is always nonzero
696 */
697 if (oc) {
698 isp_pci_wr_reg(isp, BIU_CONF1, oc);
699 delay(250);
700 }
701 }
702 #endif
703
704 static int
705 isp_pci_mbxdma(struct ispsoftc *isp)
706 {
707 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
708 bus_dma_tag_t dmat = pcs->pci_dmat;
709 bus_dma_segment_t sg;
710 bus_size_t len;
711 fcparam *fcp;
712 int rs, i;
713
714 if (isp->isp_rquest_dma) /* been here before? */
715 return (0);
716
717 len = isp->isp_maxcmds * sizeof (XS_T);
718 isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK);
719 if (isp->isp_xflist == NULL) {
720 isp_prt(isp, ISP_LOGERR, "cannot malloc xflist array");
721 return (1);
722 }
723 bzero(isp->isp_xflist, len);
724 len = isp->isp_maxcmds * sizeof (bus_dmamap_t);
725 pcs->pci_xfer_dmap = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK);
726 if (pcs->pci_xfer_dmap == NULL) {
727 free(isp->isp_xflist, M_DEVBUF);
728 isp->isp_xflist = NULL;
729 isp_prt(isp, ISP_LOGERR, "cannot malloc dma map array");
730 return (1);
731 }
732 for (i = 0; i < isp->isp_maxcmds; i++) {
733 if (bus_dmamap_create(dmat, MAXPHYS, (MAXPHYS / PAGE_SIZE) + 1,
734 MAXPHYS, 0, BUS_DMA_NOWAIT, &pcs->pci_xfer_dmap[i])) {
735 isp_prt(isp, ISP_LOGERR, "cannot create dma maps");
736 break;
737 }
738 }
739 if (i < isp->isp_maxcmds) {
740 while (--i >= 0) {
741 bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
742 }
743 free(isp->isp_xflist, M_DEVBUF);
744 free(pcs->pci_xfer_dmap, M_DEVBUF);
745 isp->isp_xflist = NULL;
746 pcs->pci_xfer_dmap = NULL;
747 return (1);
748 }
749
750 /*
751 * Allocate and map the request queue.
752 */
753 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
754 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
755 BUS_DMA_NOWAIT) ||
756 bus_dmamem_map(pcs->pci_dmat, &sg, rs, len,
757 (caddr_t *)&isp->isp_rquest, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
758 goto dmafail;
759 }
760
761 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
762 &pcs->pci_rquest_dmap) || bus_dmamap_load(dmat,
763 pcs->pci_rquest_dmap, (caddr_t)isp->isp_rquest, len, NULL,
764 BUS_DMA_NOWAIT)) {
765 goto dmafail;
766 }
767
768 isp->isp_rquest_dma = pcs->pci_rquest_dmap->dm_segs[0].ds_addr;
769
770 /*
771 * Allocate and map the result queue.
772 */
773 len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
774 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
775 BUS_DMA_NOWAIT) ||
776 bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&isp->isp_result,
777 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
778 goto dmafail;
779 }
780 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
781 &pcs->pci_result_dmap) || bus_dmamap_load(pcs->pci_dmat,
782 pcs->pci_result_dmap, (caddr_t)isp->isp_result, len, NULL,
783 BUS_DMA_NOWAIT)) {
784 goto dmafail;
785 }
786 isp->isp_result_dma = pcs->pci_result_dmap->dm_segs[0].ds_addr;
787
788 if (IS_SCSI(isp)) {
789 return (0);
790 }
791
792 fcp = isp->isp_param;
793 len = ISP2100_SCRLEN;
794 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
795 BUS_DMA_NOWAIT) ||
796 bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&fcp->isp_scratch,
797 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
798 goto dmafail;
799 }
800 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
801 &pcs->pci_scratch_dmap) || bus_dmamap_load(dmat,
802 pcs->pci_scratch_dmap, (caddr_t)fcp->isp_scratch, len, NULL,
803 BUS_DMA_NOWAIT)) {
804 goto dmafail;
805 }
806 fcp->isp_scdma = pcs->pci_scratch_dmap->dm_segs[0].ds_addr;
807 return (0);
808 dmafail:
809 isp_prt(isp, ISP_LOGERR, "mailbox dma setup failure");
810 for (i = 0; i < isp->isp_maxcmds; i++) {
811 bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
812 }
813 free(isp->isp_xflist, M_DEVBUF);
814 free(pcs->pci_xfer_dmap, M_DEVBUF);
815 isp->isp_xflist = NULL;
816 pcs->pci_xfer_dmap = NULL;
817 return (1);
818 }
819
820 static int
821 isp_pci_dmasetup(struct ispsoftc *isp, struct scsipi_xfer *xs, ispreq_t *rq,
822 u_int16_t *iptrp, u_int16_t optr)
823 {
824 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
825 bus_dmamap_t dmap;
826 ispcontreq_t *crq;
827 int segcnt, seg, error, ovseg, seglim, drq;
828
829 dmap = pcs->pci_xfer_dmap[isp_handle_index(rq->req_handle)];
830
831 if (xs->datalen == 0) {
832 rq->req_seg_count = 1;
833 goto mbxsync;
834 }
835 if (xs->xs_control & XS_CTL_DATA_IN) {
836 drq = REQFLAG_DATA_IN;
837 } else {
838 drq = REQFLAG_DATA_OUT;
839 }
840
841 if (IS_FC(isp)) {
842 seglim = ISP_RQDSEG_T2;
843 ((ispreqt2_t *)rq)->req_totalcnt = xs->datalen;
844 ((ispreqt2_t *)rq)->req_flags |= drq;
845 } else {
846 rq->req_flags |= drq;
847 if (XS_CDBLEN(xs) > 12) {
848 seglim = 0;
849 } else {
850 seglim = ISP_RQDSEG;
851 }
852 }
853 error = bus_dmamap_load(pcs->pci_dmat, dmap, xs->data, xs->datalen,
854 NULL, ((xs->xs_control & XS_CTL_NOSLEEP) ?
855 BUS_DMA_NOWAIT : BUS_DMA_WAITOK) | BUS_DMA_STREAMING);
856 if (error) {
857 XS_SETERR(xs, HBA_BOTCH);
858 return (CMD_COMPLETE);
859 }
860
861 segcnt = dmap->dm_nsegs;
862
863 isp_prt(isp, ISP_LOGDEBUG2, "%d byte %s %p in %d segs",
864 xs->datalen, (xs->xs_control & XS_CTL_DATA_IN)? "read to" :
865 "write from", xs->data, segcnt);
866
867 for (seg = 0, rq->req_seg_count = 0;
868 seglim && seg < segcnt && rq->req_seg_count < seglim;
869 seg++, rq->req_seg_count++) {
870 if (IS_FC(isp)) {
871 ispreqt2_t *rq2 = (ispreqt2_t *)rq;
872 #if _BYTE_ORDER == _BIG_ENDIAN
873 rq2->req_dataseg[rq2->req_seg_count].ds_count =
874 bswap32(dmap->dm_segs[seg].ds_len);
875 rq2->req_dataseg[rq2->req_seg_count].ds_base =
876 bswap32(dmap->dm_segs[seg].ds_addr);
877 #else
878 rq2->req_dataseg[rq2->req_seg_count].ds_count =
879 dmap->dm_segs[seg].ds_len;
880 rq2->req_dataseg[rq2->req_seg_count].ds_base =
881 dmap->dm_segs[seg].ds_addr;
882 #endif
883 } else {
884 #if _BYTE_ORDER == _BIG_ENDIAN
885 rq->req_dataseg[rq->req_seg_count].ds_count =
886 bswap32(dmap->dm_segs[seg].ds_len);
887 rq->req_dataseg[rq->req_seg_count].ds_base =
888 bswap32(dmap->dm_segs[seg].ds_addr);
889 #else
890 rq->req_dataseg[rq->req_seg_count].ds_count =
891 dmap->dm_segs[seg].ds_len;
892 rq->req_dataseg[rq->req_seg_count].ds_base =
893 dmap->dm_segs[seg].ds_addr;
894 #endif
895 }
896 isp_prt(isp, ISP_LOGDEBUG2, "seg0.[%d]={0x%lx,%lu}",
897 rq->req_seg_count, (long) dmap->dm_segs[seg].ds_addr,
898 (unsigned long) dmap->dm_segs[seg].ds_len);
899 }
900
901 if (seg == segcnt)
902 goto dmasync;
903
904 do {
905 crq = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, *iptrp);
906 *iptrp = ISP_NXT_QENTRY(*iptrp, RQUEST_QUEUE_LEN(isp));
907 if (*iptrp == optr) {
908 isp_prt(isp, ISP_LOGDEBUG0, "Request Queue Overflow++");
909 bus_dmamap_unload(pcs->pci_dmat, dmap);
910 XS_SETERR(xs, HBA_BOTCH);
911 return (CMD_EAGAIN);
912 }
913 rq->req_header.rqs_entry_count++;
914 bzero((void *)crq, sizeof (*crq));
915 crq->req_header.rqs_entry_count = 1;
916 crq->req_header.rqs_entry_type = RQSTYPE_DATASEG;
917
918 for (ovseg = 0; seg < segcnt && ovseg < ISP_CDSEG;
919 rq->req_seg_count++, seg++, ovseg++) {
920 #if _BYTE_ORDER == _BIG_ENDIAN
921 crq->req_dataseg[ovseg].ds_count =
922 bswap32(dmap->dm_segs[seg].ds_len);
923 crq->req_dataseg[ovseg].ds_base =
924 bswap32(dmap->dm_segs[seg].ds_addr);
925 #else
926 crq->req_dataseg[ovseg].ds_count =
927 dmap->dm_segs[seg].ds_len;
928 crq->req_dataseg[ovseg].ds_base =
929 dmap->dm_segs[seg].ds_addr;
930 #endif
931 isp_prt(isp, ISP_LOGDEBUG2, "seg%d.[%d]={0x%lx,%lu}",
932 rq->req_header.rqs_entry_count - 1,
933 rq->req_seg_count, (long)dmap->dm_segs[seg].ds_addr,
934 (unsigned long) dmap->dm_segs[seg].ds_len);
935 }
936 } while (seg < segcnt);
937
938
939 dmasync:
940 bus_dmamap_sync(pcs->pci_dmat, dmap, 0, dmap->dm_mapsize,
941 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD :
942 BUS_DMASYNC_PREWRITE);
943
944 mbxsync:
945 ISP_SWIZZLE_REQUEST(isp, rq);
946 bus_dmamap_sync(pcs->pci_dmat, pcs->pci_rquest_dmap, 0,
947 pcs->pci_rquest_dmap->dm_mapsize, BUS_DMASYNC_PREWRITE);
948 return (CMD_QUEUED);
949 }
950
951 static int
952 isp_pci_intr(void *arg)
953 {
954 int rv;
955 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)arg;
956 bus_dmamap_sync(pcs->pci_dmat, pcs->pci_result_dmap, 0,
957 pcs->pci_result_dmap->dm_mapsize, BUS_DMASYNC_POSTREAD);
958 pcs->pci_isp.isp_osinfo.onintstack = 1;
959 rv = isp_intr(arg);
960 pcs->pci_isp.isp_osinfo.onintstack = 0;
961 return (rv);
962 }
963
964 static void
965 isp_pci_dmateardown(struct ispsoftc *isp, XS_T *xs, u_int16_t handle)
966 {
967 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
968 bus_dmamap_t dmap = pcs->pci_xfer_dmap[isp_handle_index(handle)];
969 bus_dmamap_sync(pcs->pci_dmat, dmap, 0, dmap->dm_mapsize,
970 xs->xs_control & XS_CTL_DATA_IN ?
971 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
972 bus_dmamap_unload(pcs->pci_dmat, dmap);
973 }
974
975 static void
976 isp_pci_reset1(struct ispsoftc *isp)
977 {
978 /* Make sure the BIOS is disabled */
979 isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
980 }
981
982 static void
983 isp_pci_dumpregs(struct ispsoftc *isp, const char *msg)
984 {
985 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
986 if (msg)
987 printf("%s: %s\n", isp->isp_name, msg);
988 if (IS_SCSI(isp))
989 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
990 else
991 printf(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
992 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
993 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
994 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
995
996
997 if (IS_SCSI(isp)) {
998 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
999 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
1000 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
1001 ISP_READ(isp, CDMA_FIFO_STS));
1002 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
1003 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
1004 ISP_READ(isp, DDMA_FIFO_STS));
1005 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
1006 ISP_READ(isp, SXP_INTERRUPT),
1007 ISP_READ(isp, SXP_GROSS_ERR),
1008 ISP_READ(isp, SXP_PINS_CTRL));
1009 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
1010 }
1011 printf(" mbox regs: %x %x %x %x %x\n",
1012 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
1013 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
1014 ISP_READ(isp, OUTMAILBOX4));
1015 printf(" PCI Status Command/Status=%x\n",
1016 pci_conf_read(pcs->pci_pc, pcs->pci_tag, PCI_COMMAND_STATUS_REG));
1017 }
1018