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authorJonathan Herman <hermanjl@cs.unc.edu>2013-01-22 10:38:37 -0500
committerJonathan Herman <hermanjl@cs.unc.edu>2013-01-22 10:38:37 -0500
commitfcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch)
treea57612d1888735a2ec7972891b68c1ac5ec8faea /drivers/net/wireless/bcmdhd/aiutils.c
parent8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff)
Added missing tegra files.HEADmaster
Diffstat (limited to 'drivers/net/wireless/bcmdhd/aiutils.c')
-rw-r--r--drivers/net/wireless/bcmdhd/aiutils.c675
1 files changed, 675 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/aiutils.c b/drivers/net/wireless/bcmdhd/aiutils.c
new file mode 100644
index 00000000000..059df890792
--- /dev/null
+++ b/drivers/net/wireless/bcmdhd/aiutils.c
@@ -0,0 +1,675 @@
1/*
2 * Misc utility routines for accessing chip-specific features
3 * of the SiliconBackplane-based Broadcom chips.
4 *
5 * Copyright (C) 1999-2011, Broadcom Corporation
6 *
7 * Unless you and Broadcom execute a separate written software license
8 * agreement governing use of this software, this software is licensed to you
9 * under the terms of the GNU General Public License version 2 (the "GPL"),
10 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
11 * following added to such license:
12 *
13 * As a special exception, the copyright holders of this software give you
14 * permission to link this software with independent modules, and to copy and
15 * distribute the resulting executable under terms of your choice, provided that
16 * you also meet, for each linked independent module, the terms and conditions of
17 * the license of that module. An independent module is a module which is not
18 * derived from this software. The special exception does not apply to any
19 * modifications of the software.
20 *
21 * Notwithstanding the above, under no circumstances may you combine this
22 * software in any way with any other Broadcom software provided under a license
23 * other than the GPL, without Broadcom's express prior written consent.
24 *
25 * $Id: aiutils.c,v 1.26.2.1 2010-03-09 18:41:21 Exp $
26 */
27
28
29#include <typedefs.h>
30#include <bcmdefs.h>
31#include <osl.h>
32#include <bcmutils.h>
33#include <siutils.h>
34#include <hndsoc.h>
35#include <sbchipc.h>
36#include <pcicfg.h>
37
38#include "siutils_priv.h"
39
40
41
42
43
44static uint32
45get_erom_ent(si_t *sih, uint32 **eromptr, uint32 mask, uint32 match)
46{
47 uint32 ent;
48 uint inv = 0, nom = 0;
49
50 while (TRUE) {
51 ent = R_REG(si_osh(sih), *eromptr);
52 (*eromptr)++;
53
54 if (mask == 0)
55 break;
56
57 if ((ent & ER_VALID) == 0) {
58 inv++;
59 continue;
60 }
61
62 if (ent == (ER_END | ER_VALID))
63 break;
64
65 if ((ent & mask) == match)
66 break;
67
68 nom++;
69 }
70
71 SI_VMSG(("%s: Returning ent 0x%08x\n", __FUNCTION__, ent));
72 if (inv + nom) {
73 SI_VMSG((" after %d invalid and %d non-matching entries\n", inv, nom));
74 }
75 return ent;
76}
77
78static uint32
79get_asd(si_t *sih, uint32 **eromptr, uint sp, uint ad, uint st, uint32 *addrl, uint32 *addrh,
80 uint32 *sizel, uint32 *sizeh)
81{
82 uint32 asd, sz, szd;
83
84 asd = get_erom_ent(sih, eromptr, ER_VALID, ER_VALID);
85 if (((asd & ER_TAG1) != ER_ADD) ||
86 (((asd & AD_SP_MASK) >> AD_SP_SHIFT) != sp) ||
87 ((asd & AD_ST_MASK) != st)) {
88
89 (*eromptr)--;
90 return 0;
91 }
92 *addrl = asd & AD_ADDR_MASK;
93 if (asd & AD_AG32)
94 *addrh = get_erom_ent(sih, eromptr, 0, 0);
95 else
96 *addrh = 0;
97 *sizeh = 0;
98 sz = asd & AD_SZ_MASK;
99 if (sz == AD_SZ_SZD) {
100 szd = get_erom_ent(sih, eromptr, 0, 0);
101 *sizel = szd & SD_SZ_MASK;
102 if (szd & SD_SG32)
103 *sizeh = get_erom_ent(sih, eromptr, 0, 0);
104 } else
105 *sizel = AD_SZ_BASE << (sz >> AD_SZ_SHIFT);
106
107 SI_VMSG((" SP %d, ad %d: st = %d, 0x%08x_0x%08x @ 0x%08x_0x%08x\n",
108 sp, ad, st, *sizeh, *sizel, *addrh, *addrl));
109
110 return asd;
111}
112
113static void
114ai_hwfixup(si_info_t *sii)
115{
116}
117
118
119void
120ai_scan(si_t *sih, void *regs, uint devid)
121{
122 si_info_t *sii = SI_INFO(sih);
123 chipcregs_t *cc = (chipcregs_t *)regs;
124 uint32 erombase, *eromptr, *eromlim;
125
126 erombase = R_REG(sii->osh, &cc->eromptr);
127
128 switch (BUSTYPE(sih->bustype)) {
129 case SI_BUS:
130 eromptr = (uint32 *)REG_MAP(erombase, SI_CORE_SIZE);
131 break;
132
133 case PCI_BUS:
134
135 sii->curwrap = (void *)((uintptr)regs + SI_CORE_SIZE);
136
137
138 OSL_PCI_WRITE_CONFIG(sii->osh, PCI_BAR0_WIN, 4, erombase);
139 eromptr = regs;
140 break;
141
142 case SPI_BUS:
143 case SDIO_BUS:
144 eromptr = (uint32 *)(uintptr)erombase;
145 break;
146
147 case PCMCIA_BUS:
148 default:
149 SI_ERROR(("Don't know how to do AXI enumertion on bus %d\n", sih->bustype));
150 ASSERT(0);
151 return;
152 }
153 eromlim = eromptr + (ER_REMAPCONTROL / sizeof(uint32));
154
155 SI_VMSG(("ai_scan: regs = 0x%p, erombase = 0x%08x, eromptr = 0x%p, eromlim = 0x%p\n",
156 regs, erombase, eromptr, eromlim));
157 while (eromptr < eromlim) {
158 uint32 cia, cib, cid, mfg, crev, nmw, nsw, nmp, nsp;
159 uint32 mpd, asd, addrl, addrh, sizel, sizeh;
160 uint32 *base;
161 uint i, j, idx;
162 bool br;
163
164 br = FALSE;
165
166
167 cia = get_erom_ent(sih, &eromptr, ER_TAG, ER_CI);
168 if (cia == (ER_END | ER_VALID)) {
169 SI_VMSG(("Found END of erom after %d cores\n", sii->numcores));
170 ai_hwfixup(sii);
171 return;
172 }
173 base = eromptr - 1;
174 cib = get_erom_ent(sih, &eromptr, 0, 0);
175
176 if ((cib & ER_TAG) != ER_CI) {
177 SI_ERROR(("CIA not followed by CIB\n"));
178 goto error;
179 }
180
181 cid = (cia & CIA_CID_MASK) >> CIA_CID_SHIFT;
182 mfg = (cia & CIA_MFG_MASK) >> CIA_MFG_SHIFT;
183 crev = (cib & CIB_REV_MASK) >> CIB_REV_SHIFT;
184 nmw = (cib & CIB_NMW_MASK) >> CIB_NMW_SHIFT;
185 nsw = (cib & CIB_NSW_MASK) >> CIB_NSW_SHIFT;
186 nmp = (cib & CIB_NMP_MASK) >> CIB_NMP_SHIFT;
187 nsp = (cib & CIB_NSP_MASK) >> CIB_NSP_SHIFT;
188
189 SI_VMSG(("Found component 0x%04x/0x%04x rev %d at erom addr 0x%p, with nmw = %d, "
190 "nsw = %d, nmp = %d & nsp = %d\n",
191 mfg, cid, crev, base, nmw, nsw, nmp, nsp));
192
193 if (((mfg == MFGID_ARM) && (cid == DEF_AI_COMP)) || (nsp == 0))
194 continue;
195 if ((nmw + nsw == 0)) {
196
197 if (cid == OOB_ROUTER_CORE_ID) {
198 asd = get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE,
199 &addrl, &addrh, &sizel, &sizeh);
200 if (asd != 0) {
201 sii->oob_router = addrl;
202 }
203 }
204 continue;
205 }
206
207 idx = sii->numcores;
208
209 sii->cia[idx] = cia;
210 sii->cib[idx] = cib;
211 sii->coreid[idx] = cid;
212
213 for (i = 0; i < nmp; i++) {
214 mpd = get_erom_ent(sih, &eromptr, ER_VALID, ER_VALID);
215 if ((mpd & ER_TAG) != ER_MP) {
216 SI_ERROR(("Not enough MP entries for component 0x%x\n", cid));
217 goto error;
218 }
219 SI_VMSG((" Master port %d, mp: %d id: %d\n", i,
220 (mpd & MPD_MP_MASK) >> MPD_MP_SHIFT,
221 (mpd & MPD_MUI_MASK) >> MPD_MUI_SHIFT));
222 }
223
224
225 asd = get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE, &addrl, &addrh, &sizel, &sizeh);
226 if (asd == 0) {
227
228 asd = get_asd(sih, &eromptr, 0, 0, AD_ST_BRIDGE, &addrl, &addrh,
229 &sizel, &sizeh);
230 if (asd != 0)
231 br = TRUE;
232 else
233 if ((addrh != 0) || (sizeh != 0) || (sizel != SI_CORE_SIZE)) {
234 SI_ERROR(("First Slave ASD for core 0x%04x malformed "
235 "(0x%08x)\n", cid, asd));
236 goto error;
237 }
238 }
239 sii->coresba[idx] = addrl;
240 sii->coresba_size[idx] = sizel;
241
242 j = 1;
243 do {
244 asd = get_asd(sih, &eromptr, 0, j, AD_ST_SLAVE, &addrl, &addrh,
245 &sizel, &sizeh);
246 if ((asd != 0) && (j == 1) && (sizel == SI_CORE_SIZE)) {
247 sii->coresba2[idx] = addrl;
248 sii->coresba2_size[idx] = sizel;
249 }
250 j++;
251 } while (asd != 0);
252
253
254 for (i = 1; i < nsp; i++) {
255 j = 0;
256 do {
257 asd = get_asd(sih, &eromptr, i, j++, AD_ST_SLAVE, &addrl, &addrh,
258 &sizel, &sizeh);
259 } while (asd != 0);
260 if (j == 0) {
261 SI_ERROR((" SP %d has no address descriptors\n", i));
262 goto error;
263 }
264 }
265
266
267 for (i = 0; i < nmw; i++) {
268 asd = get_asd(sih, &eromptr, i, 0, AD_ST_MWRAP, &addrl, &addrh,
269 &sizel, &sizeh);
270 if (asd == 0) {
271 SI_ERROR(("Missing descriptor for MW %d\n", i));
272 goto error;
273 }
274 if ((sizeh != 0) || (sizel != SI_CORE_SIZE)) {
275 SI_ERROR(("Master wrapper %d is not 4KB\n", i));
276 goto error;
277 }
278 if (i == 0)
279 sii->wrapba[idx] = addrl;
280 }
281
282
283 for (i = 0; i < nsw; i++) {
284 uint fwp = (nsp == 1) ? 0 : 1;
285 asd = get_asd(sih, &eromptr, fwp + i, 0, AD_ST_SWRAP, &addrl, &addrh,
286 &sizel, &sizeh);
287 if (asd == 0) {
288 SI_ERROR(("Missing descriptor for SW %d\n", i));
289 goto error;
290 }
291 if ((sizeh != 0) || (sizel != SI_CORE_SIZE)) {
292 SI_ERROR(("Slave wrapper %d is not 4KB\n", i));
293 goto error;
294 }
295 if ((nmw == 0) && (i == 0))
296 sii->wrapba[idx] = addrl;
297 }
298
299
300 if (br)
301 continue;
302
303
304 sii->numcores++;
305 }
306
307 SI_ERROR(("Reached end of erom without finding END"));
308
309error:
310 sii->numcores = 0;
311 return;
312}
313
314
315void *
316ai_setcoreidx(si_t *sih, uint coreidx)
317{
318 si_info_t *sii = SI_INFO(sih);
319 uint32 addr = sii->coresba[coreidx];
320 uint32 wrap = sii->wrapba[coreidx];
321 void *regs;
322
323 if (coreidx >= sii->numcores)
324 return (NULL);
325
326
327 ASSERT((sii->intrsenabled_fn == NULL) || !(*(sii)->intrsenabled_fn)((sii)->intr_arg));
328
329 switch (BUSTYPE(sih->bustype)) {
330 case SI_BUS:
331
332 if (!sii->regs[coreidx]) {
333 sii->regs[coreidx] = REG_MAP(addr, SI_CORE_SIZE);
334 ASSERT(GOODREGS(sii->regs[coreidx]));
335 }
336 sii->curmap = regs = sii->regs[coreidx];
337 if (!sii->wrappers[coreidx]) {
338 sii->wrappers[coreidx] = REG_MAP(wrap, SI_CORE_SIZE);
339 ASSERT(GOODREGS(sii->wrappers[coreidx]));
340 }
341 sii->curwrap = sii->wrappers[coreidx];
342 break;
343
344
345 case SPI_BUS:
346 case SDIO_BUS:
347 sii->curmap = regs = (void *)((uintptr)addr);
348 sii->curwrap = (void *)((uintptr)wrap);
349 break;
350
351 case PCMCIA_BUS:
352 default:
353 ASSERT(0);
354 regs = NULL;
355 break;
356 }
357
358 sii->curmap = regs;
359 sii->curidx = coreidx;
360
361 return regs;
362}
363
364
365int
366ai_numaddrspaces(si_t *sih)
367{
368 return 2;
369}
370
371
372uint32
373ai_addrspace(si_t *sih, uint asidx)
374{
375 si_info_t *sii;
376 uint cidx;
377
378 sii = SI_INFO(sih);
379 cidx = sii->curidx;
380
381 if (asidx == 0)
382 return sii->coresba[cidx];
383 else if (asidx == 1)
384 return sii->coresba2[cidx];
385 else {
386 SI_ERROR(("%s: Need to parse the erom again to find addr space %d\n",
387 __FUNCTION__, asidx));
388 return 0;
389 }
390}
391
392
393uint32
394ai_addrspacesize(si_t *sih, uint asidx)
395{
396 si_info_t *sii;
397 uint cidx;
398
399 sii = SI_INFO(sih);
400 cidx = sii->curidx;
401
402 if (asidx == 0)
403 return sii->coresba_size[cidx];
404 else if (asidx == 1)
405 return sii->coresba2_size[cidx];
406 else {
407 SI_ERROR(("%s: Need to parse the erom again to find addr space %d\n",
408 __FUNCTION__, asidx));
409 return 0;
410 }
411}
412
413uint
414ai_flag(si_t *sih)
415{
416 si_info_t *sii;
417 aidmp_t *ai;
418
419 sii = SI_INFO(sih);
420 ai = sii->curwrap;
421
422 return (R_REG(sii->osh, &ai->oobselouta30) & 0x1f);
423}
424
425void
426ai_setint(si_t *sih, int siflag)
427{
428}
429
430uint
431ai_wrap_reg(si_t *sih, uint32 offset, uint32 mask, uint32 val)
432{
433 si_info_t *sii = SI_INFO(sih);
434 uint32 *map = (uint32 *) sii->curwrap;
435
436 if (mask || val) {
437 uint32 w = R_REG(sii->osh, map+(offset/4));
438 w &= ~mask;
439 w |= val;
440 W_REG(sii->osh, map+(offset/4), val);
441 }
442
443 return (R_REG(sii->osh, map+(offset/4)));
444}
445
446uint
447ai_corevendor(si_t *sih)
448{
449 si_info_t *sii;
450 uint32 cia;
451
452 sii = SI_INFO(sih);
453 cia = sii->cia[sii->curidx];
454 return ((cia & CIA_MFG_MASK) >> CIA_MFG_SHIFT);
455}
456
457uint
458ai_corerev(si_t *sih)
459{
460 si_info_t *sii;
461 uint32 cib;
462
463 sii = SI_INFO(sih);
464 cib = sii->cib[sii->curidx];
465 return ((cib & CIB_REV_MASK) >> CIB_REV_SHIFT);
466}
467
468bool
469ai_iscoreup(si_t *sih)
470{
471 si_info_t *sii;
472 aidmp_t *ai;
473
474 sii = SI_INFO(sih);
475 ai = sii->curwrap;
476
477 return (((R_REG(sii->osh, &ai->ioctrl) & (SICF_FGC | SICF_CLOCK_EN)) == SICF_CLOCK_EN) &&
478 ((R_REG(sii->osh, &ai->resetctrl) & AIRC_RESET) == 0));
479}
480
481
482uint
483ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask, uint val)
484{
485 uint origidx = 0;
486 uint32 *r = NULL;
487 uint w;
488 uint intr_val = 0;
489 bool fast = FALSE;
490 si_info_t *sii;
491
492 sii = SI_INFO(sih);
493
494 ASSERT(GOODIDX(coreidx));
495 ASSERT(regoff < SI_CORE_SIZE);
496 ASSERT((val & ~mask) == 0);
497
498 if (coreidx >= SI_MAXCORES)
499 return 0;
500
501 if (BUSTYPE(sih->bustype) == SI_BUS) {
502
503 fast = TRUE;
504
505 if (!sii->regs[coreidx]) {
506 sii->regs[coreidx] = REG_MAP(sii->coresba[coreidx],
507 SI_CORE_SIZE);
508 ASSERT(GOODREGS(sii->regs[coreidx]));
509 }
510 r = (uint32 *)((uchar *)sii->regs[coreidx] + regoff);
511 } else if (BUSTYPE(sih->bustype) == PCI_BUS) {
512
513
514 if ((sii->coreid[coreidx] == CC_CORE_ID) && SI_FAST(sii)) {
515
516
517 fast = TRUE;
518 r = (uint32 *)((char *)sii->curmap + PCI_16KB0_CCREGS_OFFSET + regoff);
519 } else if (sii->pub.buscoreidx == coreidx) {
520
521 fast = TRUE;
522 if (SI_FAST(sii))
523 r = (uint32 *)((char *)sii->curmap +
524 PCI_16KB0_PCIREGS_OFFSET + regoff);
525 else
526 r = (uint32 *)((char *)sii->curmap +
527 ((regoff >= SBCONFIGOFF) ?
528 PCI_BAR0_PCISBR_OFFSET : PCI_BAR0_PCIREGS_OFFSET) +
529 regoff);
530 }
531 }
532
533 if (!fast) {
534 INTR_OFF(sii, intr_val);
535
536
537 origidx = si_coreidx(&sii->pub);
538
539
540 r = (uint32*) ((uchar*) ai_setcoreidx(&sii->pub, coreidx) + regoff);
541 }
542 ASSERT(r != NULL);
543
544
545 if (mask || val) {
546 w = (R_REG(sii->osh, r) & ~mask) | val;
547 W_REG(sii->osh, r, w);
548 }
549
550
551 w = R_REG(sii->osh, r);
552
553 if (!fast) {
554
555 if (origidx != coreidx)
556 ai_setcoreidx(&sii->pub, origidx);
557
558 INTR_RESTORE(sii, intr_val);
559 }
560
561 return (w);
562}
563
564void
565ai_core_disable(si_t *sih, uint32 bits)
566{
567 si_info_t *sii;
568 volatile uint32 dummy;
569 aidmp_t *ai;
570
571 sii = SI_INFO(sih);
572
573 ASSERT(GOODREGS(sii->curwrap));
574 ai = sii->curwrap;
575
576
577 if (R_REG(sii->osh, &ai->resetctrl) & AIRC_RESET)
578 return;
579
580 W_REG(sii->osh, &ai->ioctrl, bits);
581 dummy = R_REG(sii->osh, &ai->ioctrl);
582 OSL_DELAY(10);
583
584 W_REG(sii->osh, &ai->resetctrl, AIRC_RESET);
585 OSL_DELAY(1);
586}
587
588
589void
590ai_core_reset(si_t *sih, uint32 bits, uint32 resetbits)
591{
592 si_info_t *sii;
593 aidmp_t *ai;
594 volatile uint32 dummy;
595
596 sii = SI_INFO(sih);
597 ASSERT(GOODREGS(sii->curwrap));
598 ai = sii->curwrap;
599
600
601 ai_core_disable(sih, (bits | resetbits));
602
603
604 W_REG(sii->osh, &ai->ioctrl, (bits | SICF_FGC | SICF_CLOCK_EN));
605 dummy = R_REG(sii->osh, &ai->ioctrl);
606 W_REG(sii->osh, &ai->resetctrl, 0);
607 OSL_DELAY(1);
608
609 W_REG(sii->osh, &ai->ioctrl, (bits | SICF_CLOCK_EN));
610 dummy = R_REG(sii->osh, &ai->ioctrl);
611 OSL_DELAY(1);
612}
613
614
615void
616ai_core_cflags_wo(si_t *sih, uint32 mask, uint32 val)
617{
618 si_info_t *sii;
619 aidmp_t *ai;
620 uint32 w;
621
622 sii = SI_INFO(sih);
623 ASSERT(GOODREGS(sii->curwrap));
624 ai = sii->curwrap;
625
626 ASSERT((val & ~mask) == 0);
627
628 if (mask || val) {
629 w = ((R_REG(sii->osh, &ai->ioctrl) & ~mask) | val);
630 W_REG(sii->osh, &ai->ioctrl, w);
631 }
632}
633
634uint32
635ai_core_cflags(si_t *sih, uint32 mask, uint32 val)
636{
637 si_info_t *sii;
638 aidmp_t *ai;
639 uint32 w;
640
641 sii = SI_INFO(sih);
642 ASSERT(GOODREGS(sii->curwrap));
643 ai = sii->curwrap;
644
645 ASSERT((val & ~mask) == 0);
646
647 if (mask || val) {
648 w = ((R_REG(sii->osh, &ai->ioctrl) & ~mask) | val);
649 W_REG(sii->osh, &ai->ioctrl, w);
650 }
651
652 return R_REG(sii->osh, &ai->ioctrl);
653}
654
655uint32
656ai_core_sflags(si_t *sih, uint32 mask, uint32 val)
657{
658 si_info_t *sii;
659 aidmp_t *ai;
660 uint32 w;
661
662 sii = SI_INFO(sih);
663 ASSERT(GOODREGS(sii->curwrap));
664 ai = sii->curwrap;
665
666 ASSERT((val & ~mask) == 0);
667 ASSERT((mask & ~SISF_CORE_BITS) == 0);
668
669 if (mask || val) {
670 w = ((R_REG(sii->osh, &ai->iostatus) & ~mask) | val);
671 W_REG(sii->osh, &ai->iostatus, w);
672 }
673
674 return R_REG(sii->osh, &ai->iostatus);
675}