2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 #include <linux/delay.h>
17 #include <linux/kernel.h>
18 #include <linux/string.h>
19 #include <linux/module.h>
20 #include <linux/pci.h>
22 #include <linux/netdevice.h>
32 #include "siutils_priv.h"
34 #define PMU_ERROR(args)
37 #define PMU_MSG(args) printf args
42 /* To check in verbose debugging messages not intended
43 * to be on except on private builds.
45 #define PMU_NONE(args)
47 /* PLL controls/clocks */
48 static void si_pmu1_pllinit0(si_t *sih, struct osl_info *osh, chipcregs_t *cc,
50 static u32 si_pmu1_cpuclk0(si_t *sih, struct osl_info *osh, chipcregs_t *cc);
51 static u32 si_pmu1_alpclk0(si_t *sih, struct osl_info *osh, chipcregs_t *cc);
54 static bool si_pmu_res_depfltr_bb(si_t *sih);
55 static bool si_pmu_res_depfltr_ncb(si_t *sih);
56 static bool si_pmu_res_depfltr_paldo(si_t *sih);
57 static bool si_pmu_res_depfltr_npaldo(si_t *sih);
58 static u32 si_pmu_res_deps(si_t *sih, struct osl_info *osh, chipcregs_t *cc,
60 static uint si_pmu_res_uptime(si_t *sih, struct osl_info *osh, chipcregs_t *cc,
62 static void si_pmu_res_masks(si_t *sih, u32 * pmin, u32 * pmax);
63 static void si_pmu_spuravoid_pllupdate(si_t *sih, chipcregs_t *cc,
64 struct osl_info *osh, u8 spuravoid);
66 static void si_pmu_set_4330_plldivs(si_t *sih);
69 #define FVCO_880 880000 /* 880MHz */
70 #define FVCO_1760 1760000 /* 1760MHz */
71 #define FVCO_1440 1440000 /* 1440MHz */
72 #define FVCO_960 960000 /* 960MHz */
74 /* Read/write a chipcontrol reg */
75 u32 si_pmu_chipcontrol(si_t *sih, uint reg, u32 mask, u32 val)
77 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, chipcontrol_addr), ~0,
79 return si_corereg(sih, SI_CC_IDX,
80 offsetof(chipcregs_t, chipcontrol_data), mask, val);
83 /* Read/write a regcontrol reg */
84 u32 si_pmu_regcontrol(si_t *sih, uint reg, u32 mask, u32 val)
86 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_addr), ~0,
88 return si_corereg(sih, SI_CC_IDX,
89 offsetof(chipcregs_t, regcontrol_data), mask, val);
92 /* Read/write a pllcontrol reg */
93 u32 si_pmu_pllcontrol(si_t *sih, uint reg, u32 mask, u32 val)
95 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pllcontrol_addr), ~0,
97 return si_corereg(sih, SI_CC_IDX,
98 offsetof(chipcregs_t, pllcontrol_data), mask, val);
102 void si_pmu_pllupd(si_t *sih)
104 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pmucontrol),
105 PCTL_PLL_PLLCTL_UPD, PCTL_PLL_PLLCTL_UPD);
108 /* Setup switcher voltage */
109 void si_pmu_set_switcher_voltage(si_t *sih, struct osl_info *osh, u8 bb_voltage,
115 ASSERT(sih->cccaps & CC_CAP_PMU);
117 /* Remember original core before switch to chipc */
118 origidx = si_coreidx(sih);
119 cc = si_setcoreidx(sih, SI_CC_IDX);
122 W_REG(osh, &cc->regcontrol_addr, 0x01);
123 W_REG(osh, &cc->regcontrol_data, (u32) (bb_voltage & 0x1f) << 22);
125 W_REG(osh, &cc->regcontrol_addr, 0x00);
126 W_REG(osh, &cc->regcontrol_data, (u32) (rf_voltage & 0x1f) << 14);
128 /* Return to original core */
129 si_setcoreidx(sih, origidx);
132 void si_pmu_set_ldo_voltage(si_t *sih, struct osl_info *osh, u8 ldo, u8 voltage)
134 u8 sr_cntl_shift = 0, rc_shift = 0, shift = 0, mask = 0;
137 ASSERT(sih->cccaps & CC_CAP_PMU);
140 case BCM4336_CHIP_ID:
142 case SET_LDO_VOLTAGE_CLDO_PWM:
147 case SET_LDO_VOLTAGE_CLDO_BURST:
152 case SET_LDO_VOLTAGE_LNLDO1:
162 case BCM4330_CHIP_ID:
164 case SET_LDO_VOLTAGE_CBUCK_PWM:
179 shift = sr_cntl_shift + rc_shift;
181 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_addr),
183 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_data),
184 mask << shift, (voltage & mask) << shift);
187 /* d11 slow to fast clock transition time in slow clock cycles */
188 #define D11SCC_SLOW2FAST_TRANSITION 2
190 u16 si_pmu_fast_pwrup_delay(si_t *sih, struct osl_info *osh)
192 uint delay = PMU_MAX_TRANSITION_DLY;
197 chn[0] = 0; /* to suppress compile error */
200 ASSERT(sih->cccaps & CC_CAP_PMU);
202 /* Remember original core before switch to chipc */
203 origidx = si_coreidx(sih);
204 cc = si_setcoreidx(sih, SI_CC_IDX);
208 case BCM43224_CHIP_ID:
209 case BCM43225_CHIP_ID:
210 case BCM43421_CHIP_ID:
211 case BCM43235_CHIP_ID:
212 case BCM43236_CHIP_ID:
213 case BCM43238_CHIP_ID:
214 case BCM4331_CHIP_ID:
215 case BCM6362_CHIP_ID:
216 case BCM4313_CHIP_ID:
217 delay = ISSIM_ENAB(sih) ? 70 : 3700;
219 case BCM4329_CHIP_ID:
223 u32 ilp = si_ilp_clock(sih);
225 (si_pmu_res_uptime(sih, osh, cc, RES4329_HT_AVAIL) +
226 D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp -
228 delay = (11 * delay) / 10;
231 case BCM4319_CHIP_ID:
232 delay = ISSIM_ENAB(sih) ? 70 : 3700;
234 case BCM4336_CHIP_ID:
238 u32 ilp = si_ilp_clock(sih);
240 (si_pmu_res_uptime(sih, osh, cc, RES4336_HT_AVAIL) +
241 D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp -
243 delay = (11 * delay) / 10;
246 case BCM4330_CHIP_ID:
250 u32 ilp = si_ilp_clock(sih);
252 (si_pmu_res_uptime(sih, osh, cc, RES4330_HT_AVAIL) +
253 D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp -
255 delay = (11 * delay) / 10;
261 /* Return to original core */
262 si_setcoreidx(sih, origidx);
267 u32 si_pmu_force_ilp(si_t *sih, struct osl_info *osh, bool force)
273 ASSERT(sih->cccaps & CC_CAP_PMU);
275 /* Remember original core before switch to chipc */
276 origidx = si_coreidx(sih);
277 cc = si_setcoreidx(sih, SI_CC_IDX);
280 oldpmucontrol = R_REG(osh, &cc->pmucontrol);
282 W_REG(osh, &cc->pmucontrol, oldpmucontrol &
283 ~(PCTL_HT_REQ_EN | PCTL_ALP_REQ_EN));
285 W_REG(osh, &cc->pmucontrol, oldpmucontrol |
286 (PCTL_HT_REQ_EN | PCTL_ALP_REQ_EN));
288 /* Return to original core */
289 si_setcoreidx(sih, origidx);
291 return oldpmucontrol;
294 /* Setup resource up/down timers */
300 /* Change resource dependancies masks */
302 u32 res_mask; /* resources (chip specific) */
303 s8 action; /* action */
304 u32 depend_mask; /* changes to the dependancies mask */
305 bool(*filter) (si_t *sih); /* action is taken when filter is NULL or return true */
308 /* Resource dependancies mask change action */
309 #define RES_DEPEND_SET 0 /* Override the dependancies mask */
310 #define RES_DEPEND_ADD 1 /* Add to the dependancies mask */
311 #define RES_DEPEND_REMOVE -1 /* Remove from the dependancies mask */
313 static const pmu_res_updown_t bcm4328a0_res_updown[] = {
315 RES4328_EXT_SWITCHER_PWM, 0x0101}, {
316 RES4328_BB_SWITCHER_PWM, 0x1f01}, {
317 RES4328_BB_SWITCHER_BURST, 0x010f}, {
318 RES4328_BB_EXT_SWITCHER_BURST, 0x0101}, {
319 RES4328_ILP_REQUEST, 0x0202}, {
320 RES4328_RADIO_SWITCHER_PWM, 0x0f01}, {
321 RES4328_RADIO_SWITCHER_BURST, 0x0f01}, {
322 RES4328_ROM_SWITCH, 0x0101}, {
323 RES4328_PA_REF_LDO, 0x0f01}, {
324 RES4328_RADIO_LDO, 0x0f01}, {
325 RES4328_AFE_LDO, 0x0f01}, {
326 RES4328_PLL_LDO, 0x0f01}, {
327 RES4328_BG_FILTBYP, 0x0101}, {
328 RES4328_TX_FILTBYP, 0x0101}, {
329 RES4328_RX_FILTBYP, 0x0101}, {
330 RES4328_XTAL_PU, 0x0101}, {
331 RES4328_XTAL_EN, 0xa001}, {
332 RES4328_BB_PLL_FILTBYP, 0x0101}, {
333 RES4328_RF_PLL_FILTBYP, 0x0101}, {
334 RES4328_BB_PLL_PU, 0x0701}
337 static const pmu_res_depend_t bcm4328a0_res_depend[] = {
338 /* Adjust ILP request resource not to force ext/BB switchers into burst mode */
340 PMURES_BIT(RES4328_ILP_REQUEST),
342 PMURES_BIT(RES4328_EXT_SWITCHER_PWM) |
343 PMURES_BIT(RES4328_BB_SWITCHER_PWM), NULL}
346 static const pmu_res_updown_t bcm4325a0_res_updown_qt[] = {
348 RES4325_HT_AVAIL, 0x0300}, {
349 RES4325_BBPLL_PWRSW_PU, 0x0101}, {
350 RES4325_RFPLL_PWRSW_PU, 0x0101}, {
351 RES4325_ALP_AVAIL, 0x0100}, {
352 RES4325_XTAL_PU, 0x1000}, {
353 RES4325_LNLDO1_PU, 0x0800}, {
354 RES4325_CLDO_CBUCK_PWM, 0x0101}, {
355 RES4325_CBUCK_PWM, 0x0803}
358 static const pmu_res_updown_t bcm4325a0_res_updown[] = {
360 RES4325_XTAL_PU, 0x1501}
363 static const pmu_res_depend_t bcm4325a0_res_depend[] = {
364 /* Adjust OTP PU resource dependencies - remove BB BURST */
366 PMURES_BIT(RES4325_OTP_PU),
368 PMURES_BIT(RES4325_BUCK_BOOST_BURST), NULL},
369 /* Adjust ALP/HT Avail resource dependencies - bring up BB along if it is used. */
371 PMURES_BIT(RES4325_ALP_AVAIL) | PMURES_BIT(RES4325_HT_AVAIL),
373 PMURES_BIT(RES4325_BUCK_BOOST_BURST) |
374 PMURES_BIT(RES4325_BUCK_BOOST_PWM), si_pmu_res_depfltr_bb},
375 /* Adjust HT Avail resource dependencies - bring up RF switches along with HT. */
377 PMURES_BIT(RES4325_HT_AVAIL),
379 PMURES_BIT(RES4325_RX_PWRSW_PU) |
380 PMURES_BIT(RES4325_TX_PWRSW_PU) |
381 PMURES_BIT(RES4325_LOGEN_PWRSW_PU) |
382 PMURES_BIT(RES4325_AFE_PWRSW_PU), NULL},
383 /* Adjust ALL resource dependencies - remove CBUCK dependancies if it is not used. */
385 PMURES_BIT(RES4325_ILP_REQUEST) |
386 PMURES_BIT(RES4325_ABUCK_BURST) |
387 PMURES_BIT(RES4325_ABUCK_PWM) |
388 PMURES_BIT(RES4325_LNLDO1_PU) |
389 PMURES_BIT(RES4325C1_LNLDO2_PU) |
390 PMURES_BIT(RES4325_XTAL_PU) |
391 PMURES_BIT(RES4325_ALP_AVAIL) |
392 PMURES_BIT(RES4325_RX_PWRSW_PU) |
393 PMURES_BIT(RES4325_TX_PWRSW_PU) |
394 PMURES_BIT(RES4325_RFPLL_PWRSW_PU) |
395 PMURES_BIT(RES4325_LOGEN_PWRSW_PU) |
396 PMURES_BIT(RES4325_AFE_PWRSW_PU) |
397 PMURES_BIT(RES4325_BBPLL_PWRSW_PU) |
398 PMURES_BIT(RES4325_HT_AVAIL), RES_DEPEND_REMOVE,
399 PMURES_BIT(RES4325B0_CBUCK_LPOM) |
400 PMURES_BIT(RES4325B0_CBUCK_BURST) |
401 PMURES_BIT(RES4325B0_CBUCK_PWM), si_pmu_res_depfltr_ncb}
404 static const pmu_res_updown_t bcm4315a0_res_updown_qt[] = {
406 RES4315_HT_AVAIL, 0x0101}, {
407 RES4315_XTAL_PU, 0x0100}, {
408 RES4315_LNLDO1_PU, 0x0100}, {
409 RES4315_PALDO_PU, 0x0100}, {
410 RES4315_CLDO_PU, 0x0100}, {
411 RES4315_CBUCK_PWM, 0x0100}, {
412 RES4315_CBUCK_BURST, 0x0100}, {
413 RES4315_CBUCK_LPOM, 0x0100}
416 static const pmu_res_updown_t bcm4315a0_res_updown[] = {
418 RES4315_XTAL_PU, 0x2501}
421 static const pmu_res_depend_t bcm4315a0_res_depend[] = {
422 /* Adjust OTP PU resource dependencies - not need PALDO unless write */
424 PMURES_BIT(RES4315_OTP_PU),
426 PMURES_BIT(RES4315_PALDO_PU), si_pmu_res_depfltr_npaldo},
427 /* Adjust ALP/HT Avail resource dependencies - bring up PALDO along if it is used. */
429 PMURES_BIT(RES4315_ALP_AVAIL) | PMURES_BIT(RES4315_HT_AVAIL),
431 PMURES_BIT(RES4315_PALDO_PU), si_pmu_res_depfltr_paldo},
432 /* Adjust HT Avail resource dependencies - bring up RF switches along with HT. */
434 PMURES_BIT(RES4315_HT_AVAIL),
436 PMURES_BIT(RES4315_RX_PWRSW_PU) |
437 PMURES_BIT(RES4315_TX_PWRSW_PU) |
438 PMURES_BIT(RES4315_LOGEN_PWRSW_PU) |
439 PMURES_BIT(RES4315_AFE_PWRSW_PU), NULL},
440 /* Adjust ALL resource dependencies - remove CBUCK dependancies if it is not used. */
442 PMURES_BIT(RES4315_CLDO_PU) | PMURES_BIT(RES4315_ILP_REQUEST) |
443 PMURES_BIT(RES4315_LNLDO1_PU) |
444 PMURES_BIT(RES4315_OTP_PU) |
445 PMURES_BIT(RES4315_LNLDO2_PU) |
446 PMURES_BIT(RES4315_XTAL_PU) |
447 PMURES_BIT(RES4315_ALP_AVAIL) |
448 PMURES_BIT(RES4315_RX_PWRSW_PU) |
449 PMURES_BIT(RES4315_TX_PWRSW_PU) |
450 PMURES_BIT(RES4315_RFPLL_PWRSW_PU) |
451 PMURES_BIT(RES4315_LOGEN_PWRSW_PU) |
452 PMURES_BIT(RES4315_AFE_PWRSW_PU) |
453 PMURES_BIT(RES4315_BBPLL_PWRSW_PU) |
454 PMURES_BIT(RES4315_HT_AVAIL), RES_DEPEND_REMOVE,
455 PMURES_BIT(RES4315_CBUCK_LPOM) |
456 PMURES_BIT(RES4315_CBUCK_BURST) |
457 PMURES_BIT(RES4315_CBUCK_PWM), si_pmu_res_depfltr_ncb}
460 /* 4329 specific. needs to come back this issue later */
461 static const pmu_res_updown_t bcm4329_res_updown[] = {
463 RES4329_XTAL_PU, 0x1501}
466 static const pmu_res_depend_t bcm4329_res_depend[] = {
467 /* Adjust HT Avail resource dependencies */
469 PMURES_BIT(RES4329_HT_AVAIL),
471 PMURES_BIT(RES4329_CBUCK_LPOM) |
472 PMURES_BIT(RES4329_CBUCK_BURST) |
473 PMURES_BIT(RES4329_CBUCK_PWM) |
474 PMURES_BIT(RES4329_CLDO_PU) |
475 PMURES_BIT(RES4329_PALDO_PU) |
476 PMURES_BIT(RES4329_LNLDO1_PU) |
477 PMURES_BIT(RES4329_XTAL_PU) |
478 PMURES_BIT(RES4329_ALP_AVAIL) |
479 PMURES_BIT(RES4329_RX_PWRSW_PU) |
480 PMURES_BIT(RES4329_TX_PWRSW_PU) |
481 PMURES_BIT(RES4329_RFPLL_PWRSW_PU) |
482 PMURES_BIT(RES4329_LOGEN_PWRSW_PU) |
483 PMURES_BIT(RES4329_AFE_PWRSW_PU) |
484 PMURES_BIT(RES4329_BBPLL_PWRSW_PU), NULL}
487 static const pmu_res_updown_t bcm4319a0_res_updown_qt[] = {
489 RES4319_HT_AVAIL, 0x0101}, {
490 RES4319_XTAL_PU, 0x0100}, {
491 RES4319_LNLDO1_PU, 0x0100}, {
492 RES4319_PALDO_PU, 0x0100}, {
493 RES4319_CLDO_PU, 0x0100}, {
494 RES4319_CBUCK_PWM, 0x0100}, {
495 RES4319_CBUCK_BURST, 0x0100}, {
496 RES4319_CBUCK_LPOM, 0x0100}
499 static const pmu_res_updown_t bcm4319a0_res_updown[] = {
501 RES4319_XTAL_PU, 0x3f01}
504 static const pmu_res_depend_t bcm4319a0_res_depend[] = {
505 /* Adjust OTP PU resource dependencies - not need PALDO unless write */
507 PMURES_BIT(RES4319_OTP_PU),
509 PMURES_BIT(RES4319_PALDO_PU), si_pmu_res_depfltr_npaldo},
510 /* Adjust HT Avail resource dependencies - bring up PALDO along if it is used. */
512 PMURES_BIT(RES4319_HT_AVAIL),
514 PMURES_BIT(RES4319_PALDO_PU), si_pmu_res_depfltr_paldo},
515 /* Adjust HT Avail resource dependencies - bring up RF switches along with HT. */
517 PMURES_BIT(RES4319_HT_AVAIL),
519 PMURES_BIT(RES4319_RX_PWRSW_PU) |
520 PMURES_BIT(RES4319_TX_PWRSW_PU) |
521 PMURES_BIT(RES4319_RFPLL_PWRSW_PU) |
522 PMURES_BIT(RES4319_LOGEN_PWRSW_PU) |
523 PMURES_BIT(RES4319_AFE_PWRSW_PU), NULL}
526 static const pmu_res_updown_t bcm4336a0_res_updown_qt[] = {
528 RES4336_HT_AVAIL, 0x0101}, {
529 RES4336_XTAL_PU, 0x0100}, {
530 RES4336_CLDO_PU, 0x0100}, {
531 RES4336_CBUCK_PWM, 0x0100}, {
532 RES4336_CBUCK_BURST, 0x0100}, {
533 RES4336_CBUCK_LPOM, 0x0100}
536 static const pmu_res_updown_t bcm4336a0_res_updown[] = {
538 RES4336_HT_AVAIL, 0x0D01}
541 static const pmu_res_depend_t bcm4336a0_res_depend[] = {
542 /* Just a dummy entry for now */
544 PMURES_BIT(RES4336_RSVD), RES_DEPEND_ADD, 0, NULL}
547 static const pmu_res_updown_t bcm4330a0_res_updown_qt[] = {
549 RES4330_HT_AVAIL, 0x0101}, {
550 RES4330_XTAL_PU, 0x0100}, {
551 RES4330_CLDO_PU, 0x0100}, {
552 RES4330_CBUCK_PWM, 0x0100}, {
553 RES4330_CBUCK_BURST, 0x0100}, {
554 RES4330_CBUCK_LPOM, 0x0100}
557 static const pmu_res_updown_t bcm4330a0_res_updown[] = {
559 RES4330_HT_AVAIL, 0x0e02}
562 static const pmu_res_depend_t bcm4330a0_res_depend[] = {
563 /* Just a dummy entry for now */
565 PMURES_BIT(RES4330_HT_AVAIL), RES_DEPEND_ADD, 0, NULL}
568 /* true if the power topology uses the buck boost to provide 3.3V to VDDIO_RF and WLAN PA */
569 static bool si_pmu_res_depfltr_bb(si_t *sih)
571 return (sih->boardflags & BFL_BUCKBOOST) != 0;
574 /* true if the power topology doesn't use the cbuck. Key on chiprev also if the chip is BCM4325. */
575 static bool si_pmu_res_depfltr_ncb(si_t *sih)
578 return (sih->boardflags & BFL_NOCBUCK) != 0;
581 /* true if the power topology uses the PALDO */
582 static bool si_pmu_res_depfltr_paldo(si_t *sih)
584 return (sih->boardflags & BFL_PALDO) != 0;
587 /* true if the power topology doesn't use the PALDO */
588 static bool si_pmu_res_depfltr_npaldo(si_t *sih)
590 return (sih->boardflags & BFL_PALDO) == 0;
593 #define BCM94325_BBVDDIOSD_BOARDS(sih) (sih->boardtype == BCM94325DEVBU_BOARD || \
594 sih->boardtype == BCM94325BGABU_BOARD)
596 /* Determine min/max rsrc masks. Value 0 leaves hardware at default. */
597 static void si_pmu_res_masks(si_t *sih, u32 * pmin, u32 * pmax)
599 u32 min_mask = 0, max_mask = 0;
604 rsrcs = (sih->pmucaps & PCAP_RC_MASK) >> PCAP_RC_SHIFT;
606 /* determine min/max rsrc masks */
608 case BCM43224_CHIP_ID:
609 case BCM43225_CHIP_ID:
610 case BCM43421_CHIP_ID:
611 case BCM43235_CHIP_ID:
612 case BCM43236_CHIP_ID:
613 case BCM43238_CHIP_ID:
614 case BCM4331_CHIP_ID:
615 case BCM6362_CHIP_ID:
619 case BCM4329_CHIP_ID:
620 /* 4329 spedific issue. Needs to come back this issue later */
621 /* Down to save the power. */
623 PMURES_BIT(RES4329_CBUCK_LPOM) |
624 PMURES_BIT(RES4329_CLDO_PU);
625 /* Allow (but don't require) PLL to turn on */
628 case BCM4319_CHIP_ID:
629 /* We only need a few resources to be kept on all the time */
630 min_mask = PMURES_BIT(RES4319_CBUCK_LPOM) |
631 PMURES_BIT(RES4319_CLDO_PU);
633 /* Allow everything else to be turned on upon requests */
634 max_mask = ~(~0 << rsrcs);
636 case BCM4336_CHIP_ID:
637 /* Down to save the power. */
639 PMURES_BIT(RES4336_CBUCK_LPOM) | PMURES_BIT(RES4336_CLDO_PU)
640 | PMURES_BIT(RES4336_LDO3P3_PU) | PMURES_BIT(RES4336_OTP_PU)
641 | PMURES_BIT(RES4336_DIS_INT_RESET_PD);
642 /* Allow (but don't require) PLL to turn on */
643 max_mask = 0x1ffffff;
646 case BCM4330_CHIP_ID:
647 /* Down to save the power. */
649 PMURES_BIT(RES4330_CBUCK_LPOM) | PMURES_BIT(RES4330_CLDO_PU)
650 | PMURES_BIT(RES4330_DIS_INT_RESET_PD) |
651 PMURES_BIT(RES4330_LDO3P3_PU) | PMURES_BIT(RES4330_OTP_PU);
652 /* Allow (but don't require) PLL to turn on */
653 max_mask = 0xfffffff;
656 case BCM4313_CHIP_ID:
657 min_mask = PMURES_BIT(RES4313_BB_PU_RSRC) |
658 PMURES_BIT(RES4313_XTAL_PU_RSRC) |
659 PMURES_BIT(RES4313_ALP_AVAIL_RSRC) |
660 PMURES_BIT(RES4313_BB_PLL_PWRSW_RSRC);
667 /* Apply nvram override to min mask */
668 val = getvar(NULL, "rmin");
670 PMU_MSG(("Applying rmin=%s to min_mask\n", val));
671 min_mask = (u32) simple_strtoul(val, NULL, 0);
673 /* Apply nvram override to max mask */
674 val = getvar(NULL, "rmax");
676 PMU_MSG(("Applying rmax=%s to max_mask\n", val));
677 max_mask = (u32) simple_strtoul(val, NULL, 0);
684 /* initialize PMU resources */
685 void si_pmu_res_init(si_t *sih, struct osl_info *osh)
689 const pmu_res_updown_t *pmu_res_updown_table = NULL;
690 uint pmu_res_updown_table_sz = 0;
691 const pmu_res_depend_t *pmu_res_depend_table = NULL;
692 uint pmu_res_depend_table_sz = 0;
693 u32 min_mask = 0, max_mask = 0;
697 ASSERT(sih->cccaps & CC_CAP_PMU);
699 /* Remember original core before switch to chipc */
700 origidx = si_coreidx(sih);
701 cc = si_setcoreidx(sih, SI_CC_IDX);
705 case BCM4329_CHIP_ID:
706 /* Optimize resources up/down timers */
707 if (ISSIM_ENAB(sih)) {
708 pmu_res_updown_table = NULL;
709 pmu_res_updown_table_sz = 0;
711 pmu_res_updown_table = bcm4329_res_updown;
712 pmu_res_updown_table_sz = ARRAY_SIZE(bcm4329_res_updown);
714 /* Optimize resources dependencies */
715 pmu_res_depend_table = bcm4329_res_depend;
716 pmu_res_depend_table_sz = ARRAY_SIZE(bcm4329_res_depend);
719 case BCM4319_CHIP_ID:
720 /* Optimize resources up/down timers */
721 if (ISSIM_ENAB(sih)) {
722 pmu_res_updown_table = bcm4319a0_res_updown_qt;
723 pmu_res_updown_table_sz =
724 ARRAY_SIZE(bcm4319a0_res_updown_qt);
726 pmu_res_updown_table = bcm4319a0_res_updown;
727 pmu_res_updown_table_sz =
728 ARRAY_SIZE(bcm4319a0_res_updown);
730 /* Optimize resources dependancies masks */
731 pmu_res_depend_table = bcm4319a0_res_depend;
732 pmu_res_depend_table_sz = ARRAY_SIZE(bcm4319a0_res_depend);
735 case BCM4336_CHIP_ID:
736 /* Optimize resources up/down timers */
737 if (ISSIM_ENAB(sih)) {
738 pmu_res_updown_table = bcm4336a0_res_updown_qt;
739 pmu_res_updown_table_sz =
740 ARRAY_SIZE(bcm4336a0_res_updown_qt);
742 pmu_res_updown_table = bcm4336a0_res_updown;
743 pmu_res_updown_table_sz =
744 ARRAY_SIZE(bcm4336a0_res_updown);
746 /* Optimize resources dependancies masks */
747 pmu_res_depend_table = bcm4336a0_res_depend;
748 pmu_res_depend_table_sz = ARRAY_SIZE(bcm4336a0_res_depend);
751 case BCM4330_CHIP_ID:
752 /* Optimize resources up/down timers */
753 if (ISSIM_ENAB(sih)) {
754 pmu_res_updown_table = bcm4330a0_res_updown_qt;
755 pmu_res_updown_table_sz =
756 ARRAY_SIZE(bcm4330a0_res_updown_qt);
758 pmu_res_updown_table = bcm4330a0_res_updown;
759 pmu_res_updown_table_sz =
760 ARRAY_SIZE(bcm4330a0_res_updown);
762 /* Optimize resources dependancies masks */
763 pmu_res_depend_table = bcm4330a0_res_depend;
764 pmu_res_depend_table_sz = ARRAY_SIZE(bcm4330a0_res_depend);
772 rsrcs = (sih->pmucaps & PCAP_RC_MASK) >> PCAP_RC_SHIFT;
774 /* Program up/down timers */
775 while (pmu_res_updown_table_sz--) {
776 ASSERT(pmu_res_updown_table != NULL);
777 PMU_MSG(("Changing rsrc %d res_updn_timer to 0x%x\n",
778 pmu_res_updown_table[pmu_res_updown_table_sz].resnum,
779 pmu_res_updown_table[pmu_res_updown_table_sz].updown));
780 W_REG(osh, &cc->res_table_sel,
781 pmu_res_updown_table[pmu_res_updown_table_sz].resnum);
782 W_REG(osh, &cc->res_updn_timer,
783 pmu_res_updown_table[pmu_res_updown_table_sz].updown);
785 /* Apply nvram overrides to up/down timers */
786 for (i = 0; i < rsrcs; i++) {
787 snprintf(name, sizeof(name), "r%dt", i);
788 val = getvar(NULL, name);
791 PMU_MSG(("Applying %s=%s to rsrc %d res_updn_timer\n", name,
793 W_REG(osh, &cc->res_table_sel, (u32) i);
794 W_REG(osh, &cc->res_updn_timer,
795 (u32) simple_strtoul(val, NULL, 0));
798 /* Program resource dependencies table */
799 while (pmu_res_depend_table_sz--) {
800 ASSERT(pmu_res_depend_table != NULL);
801 if (pmu_res_depend_table[pmu_res_depend_table_sz].filter != NULL
802 && !(pmu_res_depend_table[pmu_res_depend_table_sz].
805 for (i = 0; i < rsrcs; i++) {
806 if ((pmu_res_depend_table[pmu_res_depend_table_sz].
807 res_mask & PMURES_BIT(i)) == 0)
809 W_REG(osh, &cc->res_table_sel, i);
810 switch (pmu_res_depend_table[pmu_res_depend_table_sz].
813 PMU_MSG(("Changing rsrc %d res_dep_mask to 0x%x\n", i, pmu_res_depend_table[pmu_res_depend_table_sz].depend_mask));
814 W_REG(osh, &cc->res_dep_mask,
816 [pmu_res_depend_table_sz].depend_mask);
819 PMU_MSG(("Adding 0x%x to rsrc %d res_dep_mask\n", pmu_res_depend_table[pmu_res_depend_table_sz].depend_mask, i));
820 OR_REG(osh, &cc->res_dep_mask,
822 [pmu_res_depend_table_sz].depend_mask);
824 case RES_DEPEND_REMOVE:
825 PMU_MSG(("Removing 0x%x from rsrc %d res_dep_mask\n", pmu_res_depend_table[pmu_res_depend_table_sz].depend_mask, i));
826 AND_REG(osh, &cc->res_dep_mask,
827 ~pmu_res_depend_table
828 [pmu_res_depend_table_sz].depend_mask);
836 /* Apply nvram overrides to dependancies masks */
837 for (i = 0; i < rsrcs; i++) {
838 snprintf(name, sizeof(name), "r%dd", i);
839 val = getvar(NULL, name);
842 PMU_MSG(("Applying %s=%s to rsrc %d res_dep_mask\n", name, val,
844 W_REG(osh, &cc->res_table_sel, (u32) i);
845 W_REG(osh, &cc->res_dep_mask,
846 (u32) simple_strtoul(val, NULL, 0));
849 /* Determine min/max rsrc masks */
850 si_pmu_res_masks(sih, &min_mask, &max_mask);
852 /* It is required to program max_mask first and then min_mask */
854 /* Program max resource mask */
857 PMU_MSG(("Changing max_res_mask to 0x%x\n", max_mask));
858 W_REG(osh, &cc->max_res_mask, max_mask);
861 /* Program min resource mask */
864 PMU_MSG(("Changing min_res_mask to 0x%x\n", min_mask));
865 W_REG(osh, &cc->min_res_mask, min_mask);
868 /* Add some delay; allow resources to come up and settle. */
871 /* Return to original core */
872 si_setcoreidx(sih, origidx);
875 /* setup pll and query clock speed */
883 /* the following table is based on 880Mhz fvco */
884 static const pmu0_xtaltab0_t pmu0_xtaltab0[] = {
886 12000, 1, 73, 349525}, {
887 13000, 2, 67, 725937}, {
888 14400, 3, 61, 116508}, {
889 15360, 4, 57, 305834}, {
890 16200, 5, 54, 336579}, {
891 16800, 6, 52, 399457}, {
892 19200, 7, 45, 873813}, {
893 19800, 8, 44, 466033}, {
895 25000, 10, 70, 419430}, {
896 26000, 11, 67, 725937}, {
897 30000, 12, 58, 699050}, {
898 38400, 13, 45, 873813}, {
903 #define PMU0_XTAL0_DEFAULT 8
905 /* setup pll and query clock speed */
915 static const pmu1_xtaltab0_t pmu1_xtaltab0_880_4329[] = {
917 12000, 1, 3, 22, 0x9, 0xFFFFEF}, {
918 13000, 2, 1, 6, 0xb, 0x483483}, {
919 14400, 3, 1, 10, 0xa, 0x1C71C7}, {
920 15360, 4, 1, 5, 0xb, 0x755555}, {
921 16200, 5, 1, 10, 0x5, 0x6E9E06}, {
922 16800, 6, 1, 10, 0x5, 0x3Cf3Cf}, {
923 19200, 7, 1, 4, 0xb, 0x755555}, {
924 19800, 8, 1, 11, 0x4, 0xA57EB}, {
925 20000, 9, 1, 11, 0x4, 0x0}, {
926 24000, 10, 3, 11, 0xa, 0x0}, {
927 25000, 11, 5, 16, 0xb, 0x0}, {
928 26000, 12, 1, 1, 0x21, 0xD89D89}, {
929 30000, 13, 3, 8, 0xb, 0x0}, {
930 37400, 14, 3, 1, 0x46, 0x969696}, {
931 38400, 15, 1, 1, 0x16, 0xEAAAAA}, {
932 40000, 16, 1, 2, 0xb, 0}, {
936 /* the following table is based on 880Mhz fvco */
937 static const pmu1_xtaltab0_t pmu1_xtaltab0_880[] = {
939 12000, 1, 3, 22, 0x9, 0xFFFFEF}, {
940 13000, 2, 1, 6, 0xb, 0x483483}, {
941 14400, 3, 1, 10, 0xa, 0x1C71C7}, {
942 15360, 4, 1, 5, 0xb, 0x755555}, {
943 16200, 5, 1, 10, 0x5, 0x6E9E06}, {
944 16800, 6, 1, 10, 0x5, 0x3Cf3Cf}, {
945 19200, 7, 1, 4, 0xb, 0x755555}, {
946 19800, 8, 1, 11, 0x4, 0xA57EB}, {
947 20000, 9, 1, 11, 0x4, 0x0}, {
948 24000, 10, 3, 11, 0xa, 0x0}, {
949 25000, 11, 5, 16, 0xb, 0x0}, {
950 26000, 12, 1, 2, 0x10, 0xEC4EC4}, {
951 30000, 13, 3, 8, 0xb, 0x0}, {
952 33600, 14, 1, 2, 0xd, 0x186186}, {
953 38400, 15, 1, 2, 0xb, 0x755555}, {
954 40000, 16, 1, 2, 0xb, 0}, {
958 #define PMU1_XTALTAB0_880_12000K 0
959 #define PMU1_XTALTAB0_880_13000K 1
960 #define PMU1_XTALTAB0_880_14400K 2
961 #define PMU1_XTALTAB0_880_15360K 3
962 #define PMU1_XTALTAB0_880_16200K 4
963 #define PMU1_XTALTAB0_880_16800K 5
964 #define PMU1_XTALTAB0_880_19200K 6
965 #define PMU1_XTALTAB0_880_19800K 7
966 #define PMU1_XTALTAB0_880_20000K 8
967 #define PMU1_XTALTAB0_880_24000K 9
968 #define PMU1_XTALTAB0_880_25000K 10
969 #define PMU1_XTALTAB0_880_26000K 11
970 #define PMU1_XTALTAB0_880_30000K 12
971 #define PMU1_XTALTAB0_880_37400K 13
972 #define PMU1_XTALTAB0_880_38400K 14
973 #define PMU1_XTALTAB0_880_40000K 15
975 /* the following table is based on 1760Mhz fvco */
976 static const pmu1_xtaltab0_t pmu1_xtaltab0_1760[] = {
978 12000, 1, 3, 44, 0x9, 0xFFFFEF}, {
979 13000, 2, 1, 12, 0xb, 0x483483}, {
980 14400, 3, 1, 20, 0xa, 0x1C71C7}, {
981 15360, 4, 1, 10, 0xb, 0x755555}, {
982 16200, 5, 1, 20, 0x5, 0x6E9E06}, {
983 16800, 6, 1, 20, 0x5, 0x3Cf3Cf}, {
984 19200, 7, 1, 18, 0x5, 0x17B425}, {
985 19800, 8, 1, 22, 0x4, 0xA57EB}, {
986 20000, 9, 1, 22, 0x4, 0x0}, {
987 24000, 10, 3, 22, 0xa, 0x0}, {
988 25000, 11, 5, 32, 0xb, 0x0}, {
989 26000, 12, 1, 4, 0x10, 0xEC4EC4}, {
990 30000, 13, 3, 16, 0xb, 0x0}, {
991 38400, 14, 1, 10, 0x4, 0x955555}, {
992 40000, 15, 1, 4, 0xb, 0}, {
997 #define PMU1_XTALTAB0_1760_12000K 0
998 #define PMU1_XTALTAB0_1760_13000K 1
999 #define PMU1_XTALTAB0_1760_14400K 2
1000 #define PMU1_XTALTAB0_1760_15360K 3
1001 #define PMU1_XTALTAB0_1760_16200K 4
1002 #define PMU1_XTALTAB0_1760_16800K 5
1003 #define PMU1_XTALTAB0_1760_19200K 6
1004 #define PMU1_XTALTAB0_1760_19800K 7
1005 #define PMU1_XTALTAB0_1760_20000K 8
1006 #define PMU1_XTALTAB0_1760_24000K 9
1007 #define PMU1_XTALTAB0_1760_25000K 10
1008 #define PMU1_XTALTAB0_1760_26000K 11
1009 #define PMU1_XTALTAB0_1760_30000K 12
1010 #define PMU1_XTALTAB0_1760_38400K 13
1011 #define PMU1_XTALTAB0_1760_40000K 14
1013 /* the following table is based on 1440Mhz fvco */
1014 static const pmu1_xtaltab0_t pmu1_xtaltab0_1440[] = {
1016 12000, 1, 1, 1, 0x78, 0x0}, {
1017 13000, 2, 1, 1, 0x6E, 0xC4EC4E}, {
1018 14400, 3, 1, 1, 0x64, 0x0}, {
1019 15360, 4, 1, 1, 0x5D, 0xC00000}, {
1020 16200, 5, 1, 1, 0x58, 0xE38E38}, {
1021 16800, 6, 1, 1, 0x55, 0xB6DB6D}, {
1022 19200, 7, 1, 1, 0x4B, 0}, {
1023 19800, 8, 1, 1, 0x48, 0xBA2E8B}, {
1024 20000, 9, 1, 1, 0x48, 0x0}, {
1025 25000, 10, 1, 1, 0x39, 0x999999}, {
1026 26000, 11, 1, 1, 0x37, 0x627627}, {
1027 30000, 12, 1, 1, 0x30, 0x0}, {
1028 37400, 13, 2, 1, 0x4D, 0x15E76}, {
1029 38400, 13, 2, 1, 0x4B, 0x0}, {
1030 40000, 14, 2, 1, 0x48, 0x0}, {
1031 48000, 15, 2, 1, 0x3c, 0x0}, {
1036 #define PMU1_XTALTAB0_1440_12000K 0
1037 #define PMU1_XTALTAB0_1440_13000K 1
1038 #define PMU1_XTALTAB0_1440_14400K 2
1039 #define PMU1_XTALTAB0_1440_15360K 3
1040 #define PMU1_XTALTAB0_1440_16200K 4
1041 #define PMU1_XTALTAB0_1440_16800K 5
1042 #define PMU1_XTALTAB0_1440_19200K 6
1043 #define PMU1_XTALTAB0_1440_19800K 7
1044 #define PMU1_XTALTAB0_1440_20000K 8
1045 #define PMU1_XTALTAB0_1440_25000K 9
1046 #define PMU1_XTALTAB0_1440_26000K 10
1047 #define PMU1_XTALTAB0_1440_30000K 11
1048 #define PMU1_XTALTAB0_1440_37400K 12
1049 #define PMU1_XTALTAB0_1440_38400K 13
1050 #define PMU1_XTALTAB0_1440_40000K 14
1051 #define PMU1_XTALTAB0_1440_48000K 15
1053 #define XTAL_FREQ_24000MHZ 24000
1054 #define XTAL_FREQ_30000MHZ 30000
1055 #define XTAL_FREQ_37400MHZ 37400
1056 #define XTAL_FREQ_48000MHZ 48000
1058 static const pmu1_xtaltab0_t pmu1_xtaltab0_960[] = {
1060 12000, 1, 1, 1, 0x50, 0x0}, {
1061 13000, 2, 1, 1, 0x49, 0xD89D89}, {
1062 14400, 3, 1, 1, 0x42, 0xAAAAAA}, {
1063 15360, 4, 1, 1, 0x3E, 0x800000}, {
1064 16200, 5, 1, 1, 0x39, 0x425ED0}, {
1065 16800, 6, 1, 1, 0x39, 0x249249}, {
1066 19200, 7, 1, 1, 0x32, 0x0}, {
1067 19800, 8, 1, 1, 0x30, 0x7C1F07}, {
1068 20000, 9, 1, 1, 0x30, 0x0}, {
1069 25000, 10, 1, 1, 0x26, 0x666666}, {
1070 26000, 11, 1, 1, 0x24, 0xEC4EC4}, {
1071 30000, 12, 1, 1, 0x20, 0x0}, {
1072 37400, 13, 2, 1, 0x33, 0x563EF9}, {
1073 38400, 14, 2, 1, 0x32, 0x0}, {
1074 40000, 15, 2, 1, 0x30, 0x0}, {
1075 48000, 16, 2, 1, 0x28, 0x0}, {
1080 #define PMU1_XTALTAB0_960_12000K 0
1081 #define PMU1_XTALTAB0_960_13000K 1
1082 #define PMU1_XTALTAB0_960_14400K 2
1083 #define PMU1_XTALTAB0_960_15360K 3
1084 #define PMU1_XTALTAB0_960_16200K 4
1085 #define PMU1_XTALTAB0_960_16800K 5
1086 #define PMU1_XTALTAB0_960_19200K 6
1087 #define PMU1_XTALTAB0_960_19800K 7
1088 #define PMU1_XTALTAB0_960_20000K 8
1089 #define PMU1_XTALTAB0_960_25000K 9
1090 #define PMU1_XTALTAB0_960_26000K 10
1091 #define PMU1_XTALTAB0_960_30000K 11
1092 #define PMU1_XTALTAB0_960_37400K 12
1093 #define PMU1_XTALTAB0_960_38400K 13
1094 #define PMU1_XTALTAB0_960_40000K 14
1095 #define PMU1_XTALTAB0_960_48000K 15
1097 /* select xtal table for each chip */
1098 static const pmu1_xtaltab0_t *si_pmu1_xtaltab0(si_t *sih)
1103 switch (sih->chip) {
1104 case BCM4329_CHIP_ID:
1105 return pmu1_xtaltab0_880_4329;
1106 case BCM4319_CHIP_ID:
1107 return pmu1_xtaltab0_1440;
1108 case BCM4336_CHIP_ID:
1109 return pmu1_xtaltab0_960;
1110 case BCM4330_CHIP_ID:
1111 if (CST4330_CHIPMODE_SDIOD(sih->chipst))
1112 return pmu1_xtaltab0_960;
1114 return pmu1_xtaltab0_1440;
1116 PMU_MSG(("si_pmu1_xtaltab0: Unknown chipid %s\n",
1117 bcm_chipname(sih->chip, chn, 8)));
1124 /* select default xtal frequency for each chip */
1125 static const pmu1_xtaltab0_t *si_pmu1_xtaldef0(si_t *sih)
1131 switch (sih->chip) {
1132 case BCM4329_CHIP_ID:
1133 /* Default to 38400Khz */
1134 return &pmu1_xtaltab0_880_4329[PMU1_XTALTAB0_880_38400K];
1135 case BCM4319_CHIP_ID:
1136 /* Default to 30000Khz */
1137 return &pmu1_xtaltab0_1440[PMU1_XTALTAB0_1440_30000K];
1138 case BCM4336_CHIP_ID:
1139 /* Default to 26000Khz */
1140 return &pmu1_xtaltab0_960[PMU1_XTALTAB0_960_26000K];
1141 case BCM4330_CHIP_ID:
1142 /* Default to 37400Khz */
1143 if (CST4330_CHIPMODE_SDIOD(sih->chipst))
1144 return &pmu1_xtaltab0_960[PMU1_XTALTAB0_960_37400K];
1146 return &pmu1_xtaltab0_1440[PMU1_XTALTAB0_1440_37400K];
1148 PMU_MSG(("si_pmu1_xtaldef0: Unknown chipid %s\n",
1149 bcm_chipname(sih->chip, chn, 8)));
1156 /* select default pll fvco for each chip */
1157 static u32 si_pmu1_pllfvco0(si_t *sih)
1163 switch (sih->chip) {
1164 case BCM4329_CHIP_ID:
1166 case BCM4319_CHIP_ID:
1168 case BCM4336_CHIP_ID:
1170 case BCM4330_CHIP_ID:
1171 if (CST4330_CHIPMODE_SDIOD(sih->chipst))
1176 PMU_MSG(("si_pmu1_pllfvco0: Unknown chipid %s\n",
1177 bcm_chipname(sih->chip, chn, 8)));
1184 /* query alp/xtal clock frequency */
1186 si_pmu1_alpclk0(si_t *sih, struct osl_info *osh, chipcregs_t *cc)
1188 const pmu1_xtaltab0_t *xt;
1191 /* Find the frequency in the table */
1192 xf = (R_REG(osh, &cc->pmucontrol) & PCTL_XTALFREQ_MASK) >>
1193 PCTL_XTALFREQ_SHIFT;
1194 for (xt = si_pmu1_xtaltab0(sih); xt != NULL && xt->fref != 0; xt++)
1197 /* Could not find it so assign a default value */
1198 if (xt == NULL || xt->fref == 0)
1199 xt = si_pmu1_xtaldef0(sih);
1200 ASSERT(xt != NULL && xt->fref != 0);
1202 return xt->fref * 1000;
1205 /* Set up PLL registers in the PMU as per the crystal speed.
1206 * XtalFreq field in pmucontrol register being 0 indicates the PLL
1207 * is not programmed and the h/w default is assumed to work, in which
1208 * case the xtal frequency is unknown to the s/w so we need to call
1209 * si_pmu1_xtaldef0() wherever it is needed to return a default value.
1211 static void si_pmu1_pllinit0(si_t *sih, struct osl_info *osh, chipcregs_t *cc,
1214 const pmu1_xtaltab0_t *xt;
1216 u32 buf_strength = 0;
1219 /* Use h/w default PLL config */
1221 PMU_MSG(("Unspecified xtal frequency, skip PLL configuration\n"));
1225 /* Find the frequency in the table */
1226 for (xt = si_pmu1_xtaltab0(sih); xt != NULL && xt->fref != 0; xt++)
1227 if (xt->fref == xtal)
1230 /* Check current PLL state, bail out if it has been programmed or
1231 * we don't know how to program it.
1233 if (xt == NULL || xt->fref == 0) {
1234 PMU_MSG(("Unsupported xtal frequency %d.%d MHz, skip PLL configuration\n", xtal / 1000, xtal % 1000));
1237 /* for 4319 bootloader already programs the PLL but bootloader does not program the
1238 PLL4 and PLL5. So Skip this check for 4319
1240 if ((((R_REG(osh, &cc->pmucontrol) & PCTL_XTALFREQ_MASK) >>
1241 PCTL_XTALFREQ_SHIFT) == xt->xf) &&
1242 !((sih->chip == BCM4319_CHIP_ID)
1243 || (sih->chip == BCM4330_CHIP_ID))) {
1244 PMU_MSG(("PLL already programmed for %d.%d MHz\n",
1245 xt->fref / 1000, xt->fref % 1000));
1249 PMU_MSG(("XTAL %d.%d MHz (%d)\n", xtal / 1000, xtal % 1000, xt->xf));
1250 PMU_MSG(("Programming PLL for %d.%d MHz\n", xt->fref / 1000,
1253 switch (sih->chip) {
1254 case BCM4329_CHIP_ID:
1255 /* Change the BBPLL drive strength to 8 for all channels */
1256 buf_strength = 0x888888;
1257 AND_REG(osh, &cc->min_res_mask,
1258 ~(PMURES_BIT(RES4329_BBPLL_PWRSW_PU) |
1259 PMURES_BIT(RES4329_HT_AVAIL)));
1260 AND_REG(osh, &cc->max_res_mask,
1261 ~(PMURES_BIT(RES4329_BBPLL_PWRSW_PU) |
1262 PMURES_BIT(RES4329_HT_AVAIL)));
1263 SPINWAIT(R_REG(osh, &cc->clk_ctl_st) & CCS_HTAVAIL,
1264 PMU_MAX_TRANSITION_DLY);
1265 ASSERT(!(R_REG(osh, &cc->clk_ctl_st) & CCS_HTAVAIL));
1266 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
1267 if (xt->fref == 38400)
1269 else if (xt->fref == 37400)
1271 else if (xt->fref == 26000)
1274 tmp = 0x200005C0; /* Chip Dflt Settings */
1275 W_REG(osh, &cc->pllcontrol_data, tmp);
1276 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
1279 &cc->pllcontrol_data) & PMU1_PLL0_PC5_CLK_DRV_MASK;
1280 if ((xt->fref == 38400) || (xt->fref == 37400)
1281 || (xt->fref == 26000))
1284 tmp |= 0x25; /* Chip Dflt Settings */
1285 W_REG(osh, &cc->pllcontrol_data, tmp);
1288 case BCM4319_CHIP_ID:
1289 /* Change the BBPLL drive strength to 2 for all channels */
1290 buf_strength = 0x222222;
1292 /* Make sure the PLL is off */
1293 /* WAR65104: Disable the HT_AVAIL resource first and then
1294 * after a delay (more than downtime for HT_AVAIL) remove the
1295 * BBPLL resource; backplane clock moves to ALP from HT.
1297 AND_REG(osh, &cc->min_res_mask,
1298 ~(PMURES_BIT(RES4319_HT_AVAIL)));
1299 AND_REG(osh, &cc->max_res_mask,
1300 ~(PMURES_BIT(RES4319_HT_AVAIL)));
1303 AND_REG(osh, &cc->min_res_mask,
1304 ~(PMURES_BIT(RES4319_BBPLL_PWRSW_PU)));
1305 AND_REG(osh, &cc->max_res_mask,
1306 ~(PMURES_BIT(RES4319_BBPLL_PWRSW_PU)));
1309 SPINWAIT(R_REG(osh, &cc->clk_ctl_st) & CCS_HTAVAIL,
1310 PMU_MAX_TRANSITION_DLY);
1311 ASSERT(!(R_REG(osh, &cc->clk_ctl_st) & CCS_HTAVAIL));
1312 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
1314 W_REG(osh, &cc->pllcontrol_data, tmp);
1317 case BCM4336_CHIP_ID:
1318 AND_REG(osh, &cc->min_res_mask,
1319 ~(PMURES_BIT(RES4336_HT_AVAIL) |
1320 PMURES_BIT(RES4336_MACPHY_CLKAVAIL)));
1321 AND_REG(osh, &cc->max_res_mask,
1322 ~(PMURES_BIT(RES4336_HT_AVAIL) |
1323 PMURES_BIT(RES4336_MACPHY_CLKAVAIL)));
1325 SPINWAIT(R_REG(osh, &cc->clk_ctl_st) & CCS_HTAVAIL,
1326 PMU_MAX_TRANSITION_DLY);
1327 ASSERT(!(R_REG(osh, &cc->clk_ctl_st) & CCS_HTAVAIL));
1330 case BCM4330_CHIP_ID:
1331 AND_REG(osh, &cc->min_res_mask,
1332 ~(PMURES_BIT(RES4330_HT_AVAIL) |
1333 PMURES_BIT(RES4330_MACPHY_CLKAVAIL)));
1334 AND_REG(osh, &cc->max_res_mask,
1335 ~(PMURES_BIT(RES4330_HT_AVAIL) |
1336 PMURES_BIT(RES4330_MACPHY_CLKAVAIL)));
1338 SPINWAIT(R_REG(osh, &cc->clk_ctl_st) & CCS_HTAVAIL,
1339 PMU_MAX_TRANSITION_DLY);
1340 ASSERT(!(R_REG(osh, &cc->clk_ctl_st) & CCS_HTAVAIL));
1347 PMU_MSG(("Done masking\n"));
1349 /* Write p1div and p2div to pllcontrol[0] */
1350 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
1351 tmp = R_REG(osh, &cc->pllcontrol_data) &
1352 ~(PMU1_PLL0_PC0_P1DIV_MASK | PMU1_PLL0_PC0_P2DIV_MASK);
1355 p1div << PMU1_PLL0_PC0_P1DIV_SHIFT) & PMU1_PLL0_PC0_P1DIV_MASK) |
1357 p2div << PMU1_PLL0_PC0_P2DIV_SHIFT) & PMU1_PLL0_PC0_P2DIV_MASK);
1358 W_REG(osh, &cc->pllcontrol_data, tmp);
1360 if ((sih->chip == BCM4330_CHIP_ID))
1361 si_pmu_set_4330_plldivs(sih);
1363 if ((sih->chip == BCM4329_CHIP_ID)
1364 && (sih->chiprev == 0)) {
1366 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
1367 tmp = R_REG(osh, &cc->pllcontrol_data);
1368 tmp = tmp & (~DOT11MAC_880MHZ_CLK_DIVISOR_MASK);
1369 tmp = tmp | DOT11MAC_880MHZ_CLK_DIVISOR_VAL;
1370 W_REG(osh, &cc->pllcontrol_data, tmp);
1372 if ((sih->chip == BCM4319_CHIP_ID) ||
1373 (sih->chip == BCM4336_CHIP_ID) ||
1374 (sih->chip == BCM4330_CHIP_ID))
1375 ndiv_mode = PMU1_PLL0_PC2_NDIV_MODE_MFB;
1377 ndiv_mode = PMU1_PLL0_PC2_NDIV_MODE_MASH;
1379 /* Write ndiv_int and ndiv_mode to pllcontrol[2] */
1380 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
1381 tmp = R_REG(osh, &cc->pllcontrol_data) &
1382 ~(PMU1_PLL0_PC2_NDIV_INT_MASK | PMU1_PLL0_PC2_NDIV_MODE_MASK);
1385 ndiv_int << PMU1_PLL0_PC2_NDIV_INT_SHIFT) &
1386 PMU1_PLL0_PC2_NDIV_INT_MASK) | ((ndiv_mode <<
1387 PMU1_PLL0_PC2_NDIV_MODE_SHIFT) &
1388 PMU1_PLL0_PC2_NDIV_MODE_MASK);
1389 W_REG(osh, &cc->pllcontrol_data, tmp);
1391 /* Write ndiv_frac to pllcontrol[3] */
1392 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
1393 tmp = R_REG(osh, &cc->pllcontrol_data) & ~PMU1_PLL0_PC3_NDIV_FRAC_MASK;
1394 tmp |= ((xt->ndiv_frac << PMU1_PLL0_PC3_NDIV_FRAC_SHIFT) &
1395 PMU1_PLL0_PC3_NDIV_FRAC_MASK);
1396 W_REG(osh, &cc->pllcontrol_data, tmp);
1398 /* Write clock driving strength to pllcontrol[5] */
1400 PMU_MSG(("Adjusting PLL buffer drive strength: %x\n",
1403 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
1406 &cc->pllcontrol_data) & ~PMU1_PLL0_PC5_CLK_DRV_MASK;
1407 tmp |= (buf_strength << PMU1_PLL0_PC5_CLK_DRV_SHIFT);
1408 W_REG(osh, &cc->pllcontrol_data, tmp);
1411 PMU_MSG(("Done pll\n"));
1413 /* to operate the 4319 usb in 24MHz/48MHz; chipcontrol[2][84:83] needs
1416 if ((sih->chip == BCM4319_CHIP_ID)
1417 && (xt->fref != XTAL_FREQ_30000MHZ)) {
1418 W_REG(osh, &cc->chipcontrol_addr, PMU1_PLL0_CHIPCTL2);
1421 &cc->chipcontrol_data) & ~CCTL_4319USB_XTAL_SEL_MASK;
1422 if (xt->fref == XTAL_FREQ_24000MHZ) {
1424 (CCTL_4319USB_24MHZ_PLL_SEL <<
1425 CCTL_4319USB_XTAL_SEL_SHIFT);
1426 } else if (xt->fref == XTAL_FREQ_48000MHZ) {
1428 (CCTL_4319USB_48MHZ_PLL_SEL <<
1429 CCTL_4319USB_XTAL_SEL_SHIFT);
1431 W_REG(osh, &cc->chipcontrol_data, tmp);
1434 /* Flush deferred pll control registers writes */
1435 if (sih->pmurev >= 2)
1436 OR_REG(osh, &cc->pmucontrol, PCTL_PLL_PLLCTL_UPD);
1438 /* Write XtalFreq. Set the divisor also. */
1439 tmp = R_REG(osh, &cc->pmucontrol) &
1440 ~(PCTL_ILP_DIV_MASK | PCTL_XTALFREQ_MASK);
1441 tmp |= (((((xt->fref + 127) / 128) - 1) << PCTL_ILP_DIV_SHIFT) &
1442 PCTL_ILP_DIV_MASK) |
1443 ((xt->xf << PCTL_XTALFREQ_SHIFT) & PCTL_XTALFREQ_MASK);
1445 if ((sih->chip == BCM4329_CHIP_ID)
1446 && sih->chiprev == 0) {
1447 /* clear the htstretch before clearing HTReqEn */
1448 AND_REG(osh, &cc->clkstretch, ~CSTRETCH_HT);
1449 tmp &= ~PCTL_HT_REQ_EN;
1452 W_REG(osh, &cc->pmucontrol, tmp);
1455 /* query the CPU clock frequency */
1457 si_pmu1_cpuclk0(si_t *sih, struct osl_info *osh, chipcregs_t *cc)
1461 u32 ndiv_int, ndiv_frac, p2div, p1div, fvco;
1464 u32 FVCO = si_pmu1_pllfvco0(sih);
1466 /* Read m1div from pllcontrol[1] */
1467 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
1468 tmp = R_REG(osh, &cc->pllcontrol_data);
1469 m1div = (tmp & PMU1_PLL0_PC1_M1DIV_MASK) >> PMU1_PLL0_PC1_M1DIV_SHIFT;
1472 /* Read p2div/p1div from pllcontrol[0] */
1473 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
1474 tmp = R_REG(osh, &cc->pllcontrol_data);
1475 p2div = (tmp & PMU1_PLL0_PC0_P2DIV_MASK) >> PMU1_PLL0_PC0_P2DIV_SHIFT;
1476 p1div = (tmp & PMU1_PLL0_PC0_P1DIV_MASK) >> PMU1_PLL0_PC0_P1DIV_SHIFT;
1478 /* Calculate fvco based on xtal freq and ndiv and pdiv */
1479 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
1480 tmp = R_REG(osh, &cc->pllcontrol_data);
1482 (tmp & PMU1_PLL0_PC2_NDIV_INT_MASK) >> PMU1_PLL0_PC2_NDIV_INT_SHIFT;
1484 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
1485 tmp = R_REG(osh, &cc->pllcontrol_data);
1487 (tmp & PMU1_PLL0_PC3_NDIV_FRAC_MASK) >>
1488 PMU1_PLL0_PC3_NDIV_FRAC_SHIFT;
1490 fref = si_pmu1_alpclk0(sih, osh, cc) / 1000;
1492 fvco = (fref * ndiv_int) << 8;
1493 fvco += (fref * (ndiv_frac >> 12)) >> 4;
1494 fvco += (fref * (ndiv_frac & 0xfff)) >> 12;
1501 PMU_MSG(("si_pmu1_cpuclk0: ndiv_int %u ndiv_frac %u p2div %u p1div %u fvco %u\n", ndiv_int, ndiv_frac, p2div, p1div, fvco));
1506 /* Return ARM/SB clock */
1507 return FVCO / m1div * 1000;
1510 /* initialize PLL */
1511 void si_pmu_pll_init(si_t *sih, struct osl_info *osh, uint xtalfreq)
1519 ASSERT(sih->cccaps & CC_CAP_PMU);
1521 /* Remember original core before switch to chipc */
1522 origidx = si_coreidx(sih);
1523 cc = si_setcoreidx(sih, SI_CC_IDX);
1526 switch (sih->chip) {
1527 case BCM4329_CHIP_ID:
1530 si_pmu1_pllinit0(sih, osh, cc, xtalfreq);
1532 case BCM4313_CHIP_ID:
1533 case BCM43224_CHIP_ID:
1534 case BCM43225_CHIP_ID:
1535 case BCM43421_CHIP_ID:
1536 case BCM43235_CHIP_ID:
1537 case BCM43236_CHIP_ID:
1538 case BCM43238_CHIP_ID:
1539 case BCM4331_CHIP_ID:
1540 case BCM6362_CHIP_ID:
1543 case BCM4319_CHIP_ID:
1544 case BCM4336_CHIP_ID:
1545 case BCM4330_CHIP_ID:
1546 si_pmu1_pllinit0(sih, osh, cc, xtalfreq);
1549 PMU_MSG(("No PLL init done for chip %s rev %d pmurev %d\n",
1550 bcm_chipname(sih->chip, chn, 8), sih->chiprev,
1555 #ifdef BCMDBG_FORCEHT
1556 OR_REG(osh, &cc->clk_ctl_st, CCS_FORCEHT);
1559 /* Return to original core */
1560 si_setcoreidx(sih, origidx);
1563 /* query alp/xtal clock frequency */
1564 u32 si_pmu_alp_clock(si_t *sih, struct osl_info *osh)
1568 u32 clock = ALP_CLOCK;
1573 ASSERT(sih->cccaps & CC_CAP_PMU);
1575 /* Remember original core before switch to chipc */
1576 origidx = si_coreidx(sih);
1577 cc = si_setcoreidx(sih, SI_CC_IDX);
1580 switch (sih->chip) {
1581 case BCM43224_CHIP_ID:
1582 case BCM43225_CHIP_ID:
1583 case BCM43421_CHIP_ID:
1584 case BCM43235_CHIP_ID:
1585 case BCM43236_CHIP_ID:
1586 case BCM43238_CHIP_ID:
1587 case BCM4331_CHIP_ID:
1588 case BCM6362_CHIP_ID:
1589 case BCM4716_CHIP_ID:
1590 case BCM4748_CHIP_ID:
1591 case BCM47162_CHIP_ID:
1592 case BCM4313_CHIP_ID:
1593 case BCM5357_CHIP_ID:
1595 clock = 20000 * 1000;
1597 case BCM4329_CHIP_ID:
1598 case BCM4319_CHIP_ID:
1599 case BCM4336_CHIP_ID:
1600 case BCM4330_CHIP_ID:
1602 clock = si_pmu1_alpclk0(sih, osh, cc);
1604 case BCM5356_CHIP_ID:
1606 clock = 25000 * 1000;
1609 PMU_MSG(("No ALP clock specified "
1610 "for chip %s rev %d pmurev %d, using default %d Hz\n",
1611 bcm_chipname(sih->chip, chn, 8), sih->chiprev,
1612 sih->pmurev, clock));
1616 /* Return to original core */
1617 si_setcoreidx(sih, origidx);
1621 /* Find the output of the "m" pll divider given pll controls that start with
1622 * pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc.
1625 si_pmu5_clock(si_t *sih, struct osl_info *osh, chipcregs_t *cc, uint pll0,
1627 u32 tmp, div, ndiv, p1, p2, fc;
1629 if ((pll0 & 3) || (pll0 > PMU4716_MAINPLL_PLL0)) {
1630 PMU_ERROR(("%s: Bad pll0: %d\n", __func__, pll0));
1634 /* Strictly there is an m5 divider, but I'm not sure we use it */
1635 if ((m == 0) || (m > 4)) {
1636 PMU_ERROR(("%s: Bad m divider: %d\n", __func__, m));
1640 if (sih->chip == BCM5357_CHIP_ID) {
1641 /* Detect failure in clock setting */
1642 if ((R_REG(osh, &cc->chipstatus) & 0x40000) != 0) {
1643 return 133 * 1000000;
1647 W_REG(osh, &cc->pllcontrol_addr, pll0 + PMU5_PLL_P1P2_OFF);
1648 (void)R_REG(osh, &cc->pllcontrol_addr);
1649 tmp = R_REG(osh, &cc->pllcontrol_data);
1650 p1 = (tmp & PMU5_PLL_P1_MASK) >> PMU5_PLL_P1_SHIFT;
1651 p2 = (tmp & PMU5_PLL_P2_MASK) >> PMU5_PLL_P2_SHIFT;
1653 W_REG(osh, &cc->pllcontrol_addr, pll0 + PMU5_PLL_M14_OFF);
1654 (void)R_REG(osh, &cc->pllcontrol_addr);
1655 tmp = R_REG(osh, &cc->pllcontrol_data);
1656 div = (tmp >> ((m - 1) * PMU5_PLL_MDIV_WIDTH)) & PMU5_PLL_MDIV_MASK;
1658 W_REG(osh, &cc->pllcontrol_addr, pll0 + PMU5_PLL_NM5_OFF);
1659 (void)R_REG(osh, &cc->pllcontrol_addr);
1660 tmp = R_REG(osh, &cc->pllcontrol_data);
1661 ndiv = (tmp & PMU5_PLL_NDIV_MASK) >> PMU5_PLL_NDIV_SHIFT;
1663 /* Do calculation in Mhz */
1664 fc = si_pmu_alp_clock(sih, osh) / 1000000;
1665 fc = (p1 * ndiv * fc) / p2;
1667 PMU_NONE(("%s: p1=%d, p2=%d, ndiv=%d(0x%x), m%d=%d; fc=%d, clock=%d\n",
1668 __func__, p1, p2, ndiv, ndiv, m, div, fc, fc / div));
1670 /* Return clock in Hertz */
1671 return (fc / div) * 1000000;
1674 /* query backplane clock frequency */
1675 /* For designs that feed the same clock to both backplane
1676 * and CPU just return the CPU clock speed.
1678 u32 si_pmu_si_clock(si_t *sih, struct osl_info *osh)
1682 u32 clock = HT_CLOCK;
1687 ASSERT(sih->cccaps & CC_CAP_PMU);
1689 /* Remember original core before switch to chipc */
1690 origidx = si_coreidx(sih);
1691 cc = si_setcoreidx(sih, SI_CC_IDX);
1694 switch (sih->chip) {
1695 case BCM43224_CHIP_ID:
1696 case BCM43225_CHIP_ID:
1697 case BCM43421_CHIP_ID:
1698 case BCM4331_CHIP_ID:
1699 case BCM6362_CHIP_ID:
1700 /* 96MHz backplane clock */
1701 clock = 96000 * 1000;
1703 case BCM4716_CHIP_ID:
1704 case BCM4748_CHIP_ID:
1705 case BCM47162_CHIP_ID:
1707 si_pmu5_clock(sih, osh, cc, PMU4716_MAINPLL_PLL0,
1710 case BCM4329_CHIP_ID:
1711 if (sih->chiprev == 0)
1712 clock = 38400 * 1000;
1714 clock = si_pmu1_cpuclk0(sih, osh, cc);
1716 case BCM4319_CHIP_ID:
1717 case BCM4336_CHIP_ID:
1718 case BCM4330_CHIP_ID:
1719 clock = si_pmu1_cpuclk0(sih, osh, cc);
1721 case BCM4313_CHIP_ID:
1722 /* 80MHz backplane clock */
1723 clock = 80000 * 1000;
1725 case BCM43235_CHIP_ID:
1726 case BCM43236_CHIP_ID:
1727 case BCM43238_CHIP_ID:
1729 (cc->chipstatus & CST43236_BP_CLK) ? (120000 *
1733 case BCM5356_CHIP_ID:
1735 si_pmu5_clock(sih, osh, cc, PMU5356_MAINPLL_PLL0,
1738 case BCM5357_CHIP_ID:
1740 si_pmu5_clock(sih, osh, cc, PMU5357_MAINPLL_PLL0,
1744 PMU_MSG(("No backplane clock specified "
1745 "for chip %s rev %d pmurev %d, using default %d Hz\n",
1746 bcm_chipname(sih->chip, chn, 8), sih->chiprev,
1747 sih->pmurev, clock));
1751 /* Return to original core */
1752 si_setcoreidx(sih, origidx);
1756 /* query CPU clock frequency */
1757 u32 si_pmu_cpu_clock(si_t *sih, struct osl_info *osh)
1763 ASSERT(sih->cccaps & CC_CAP_PMU);
1765 if ((sih->pmurev >= 5) &&
1766 !((sih->chip == BCM4329_CHIP_ID) ||
1767 (sih->chip == BCM4319_CHIP_ID) ||
1768 (sih->chip == BCM43236_CHIP_ID) ||
1769 (sih->chip == BCM4336_CHIP_ID) ||
1770 (sih->chip == BCM4330_CHIP_ID))) {
1773 switch (sih->chip) {
1774 case BCM5356_CHIP_ID:
1775 pll = PMU5356_MAINPLL_PLL0;
1777 case BCM5357_CHIP_ID:
1778 pll = PMU5357_MAINPLL_PLL0;
1781 pll = PMU4716_MAINPLL_PLL0;
1785 /* Remember original core before switch to chipc */
1786 origidx = si_coreidx(sih);
1787 cc = si_setcoreidx(sih, SI_CC_IDX);
1790 clock = si_pmu5_clock(sih, osh, cc, pll, PMU5_MAINPLL_CPU);
1792 /* Return to original core */
1793 si_setcoreidx(sih, origidx);
1795 clock = si_pmu_si_clock(sih, osh);
1800 /* query memory clock frequency */
1801 u32 si_pmu_mem_clock(si_t *sih, struct osl_info *osh)
1807 ASSERT(sih->cccaps & CC_CAP_PMU);
1809 if ((sih->pmurev >= 5) &&
1810 !((sih->chip == BCM4329_CHIP_ID) ||
1811 (sih->chip == BCM4319_CHIP_ID) ||
1812 (sih->chip == BCM4330_CHIP_ID) ||
1813 (sih->chip == BCM4336_CHIP_ID) ||
1814 (sih->chip == BCM43236_CHIP_ID))) {
1817 switch (sih->chip) {
1818 case BCM5356_CHIP_ID:
1819 pll = PMU5356_MAINPLL_PLL0;
1821 case BCM5357_CHIP_ID:
1822 pll = PMU5357_MAINPLL_PLL0;
1825 pll = PMU4716_MAINPLL_PLL0;
1829 /* Remember original core before switch to chipc */
1830 origidx = si_coreidx(sih);
1831 cc = si_setcoreidx(sih, SI_CC_IDX);
1834 clock = si_pmu5_clock(sih, osh, cc, pll, PMU5_MAINPLL_MEM);
1836 /* Return to original core */
1837 si_setcoreidx(sih, origidx);
1839 clock = si_pmu_si_clock(sih, osh);
1845 /* Measure ILP clock frequency */
1846 #define ILP_CALC_DUR 10 /* ms, make sure 1000 can be divided by it. */
1848 static u32 ilpcycles_per_sec;
1850 u32 si_pmu_ilp_clock(si_t *sih, struct osl_info *osh)
1852 if (ISSIM_ENAB(sih))
1855 if (ilpcycles_per_sec == 0) {
1856 u32 start, end, delta;
1857 u32 origidx = si_coreidx(sih);
1858 chipcregs_t *cc = si_setcoreidx(sih, SI_CC_IDX);
1860 start = R_REG(osh, &cc->pmutimer);
1861 mdelay(ILP_CALC_DUR);
1862 end = R_REG(osh, &cc->pmutimer);
1863 delta = end - start;
1864 ilpcycles_per_sec = delta * (1000 / ILP_CALC_DUR);
1865 si_setcoreidx(sih, origidx);
1868 return ilpcycles_per_sec;
1871 /* SDIO Pad drive strength to select value mappings */
1873 u8 strength; /* Pad Drive Strength in mA */
1874 u8 sel; /* Chip-specific select value */
1875 } sdiod_drive_str_t;
1877 /* SDIO Drive Strength to sel value table for PMU Rev 1 */
1878 static const sdiod_drive_str_t sdiod_drive_strength_tab1[] = {
1886 /* SDIO Drive Strength to sel value table for PMU Rev 2, 3 */
1887 static const sdiod_drive_str_t sdiod_drive_strength_tab2[] = {
1898 /* SDIO Drive Strength to sel value table for PMU Rev 8 (1.8V) */
1899 static const sdiod_drive_str_t sdiod_drive_strength_tab3[] = {
1911 #define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu))
1914 si_sdiod_drive_strength_init(si_t *sih, struct osl_info *osh,
1915 u32 drivestrength) {
1917 uint origidx, intr_val = 0;
1918 sdiod_drive_str_t *str_tab = NULL;
1925 if (!(sih->cccaps & CC_CAP_PMU)) {
1929 /* Remember original core before switch to chipc */
1930 cc = (chipcregs_t *) si_switch_core(sih, CC_CORE_ID, &origidx,
1933 switch (SDIOD_DRVSTR_KEY(sih->chip, sih->pmurev)) {
1934 case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 1):
1935 str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab1;
1936 str_mask = 0x30000000;
1939 case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 2):
1940 case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 3):
1941 str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab2;
1942 str_mask = 0x00003800;
1945 case SDIOD_DRVSTR_KEY(BCM4336_CHIP_ID, 8):
1946 str_tab = (sdiod_drive_str_t *) &sdiod_drive_strength_tab3;
1947 str_mask = 0x00003800;
1952 PMU_MSG(("No SDIO Drive strength init done for chip %s rev %d pmurev %d\n", bcm_chipname(sih->chip, chn, 8), sih->chiprev, sih->pmurev));
1957 if (str_tab != NULL) {
1958 u32 drivestrength_sel = 0;
1962 for (i = 0; str_tab[i].strength != 0; i++) {
1963 if (drivestrength >= str_tab[i].strength) {
1964 drivestrength_sel = str_tab[i].sel;
1969 W_REG(osh, &cc->chipcontrol_addr, 1);
1970 cc_data_temp = R_REG(osh, &cc->chipcontrol_data);
1971 cc_data_temp &= ~str_mask;
1972 drivestrength_sel <<= str_shift;
1973 cc_data_temp |= drivestrength_sel;
1974 W_REG(osh, &cc->chipcontrol_data, cc_data_temp);
1976 PMU_MSG(("SDIO: %dmA drive strength selected, set to 0x%08x\n",
1977 drivestrength, cc_data_temp));
1980 /* Return to original core */
1981 si_restore_core(sih, origidx, intr_val);
1984 /* initialize PMU */
1985 void si_pmu_init(si_t *sih, struct osl_info *osh)
1990 ASSERT(sih->cccaps & CC_CAP_PMU);
1992 /* Remember original core before switch to chipc */
1993 origidx = si_coreidx(sih);
1994 cc = si_setcoreidx(sih, SI_CC_IDX);
1997 if (sih->pmurev == 1)
1998 AND_REG(osh, &cc->pmucontrol, ~PCTL_NOILP_ON_WAIT);
1999 else if (sih->pmurev >= 2)
2000 OR_REG(osh, &cc->pmucontrol, PCTL_NOILP_ON_WAIT);
2002 if ((sih->chip == BCM4329_CHIP_ID) && (sih->chiprev == 2)) {
2003 /* Fix for 4329b0 bad LPOM state. */
2004 W_REG(osh, &cc->regcontrol_addr, 2);
2005 OR_REG(osh, &cc->regcontrol_data, 0x100);
2007 W_REG(osh, &cc->regcontrol_addr, 3);
2008 OR_REG(osh, &cc->regcontrol_data, 0x4);
2011 /* Return to original core */
2012 si_setcoreidx(sih, origidx);
2015 /* Return up time in ILP cycles for the given resource. */
2017 si_pmu_res_uptime(si_t *sih, struct osl_info *osh, chipcregs_t *cc,
2020 uint up, i, dup, dmax;
2021 u32 min_mask = 0, max_mask = 0;
2023 /* uptime of resource 'rsrc' */
2024 W_REG(osh, &cc->res_table_sel, rsrc);
2025 up = (R_REG(osh, &cc->res_updn_timer) >> 8) & 0xff;
2027 /* direct dependancies of resource 'rsrc' */
2028 deps = si_pmu_res_deps(sih, osh, cc, PMURES_BIT(rsrc), false);
2029 for (i = 0; i <= PMURES_MAX_RESNUM; i++) {
2030 if (!(deps & PMURES_BIT(i)))
2032 deps &= ~si_pmu_res_deps(sih, osh, cc, PMURES_BIT(i), true);
2034 si_pmu_res_masks(sih, &min_mask, &max_mask);
2037 /* max uptime of direct dependancies */
2039 for (i = 0; i <= PMURES_MAX_RESNUM; i++) {
2040 if (!(deps & PMURES_BIT(i)))
2042 dup = si_pmu_res_uptime(sih, osh, cc, (u8) i);
2047 PMU_MSG(("si_pmu_res_uptime: rsrc %u uptime %u(deps 0x%08x uptime %u)\n", rsrc, up, deps, dmax));
2049 return up + dmax + PMURES_UP_TRANSITION;
2052 /* Return dependancies (direct or all/indirect) for the given resources */
2054 si_pmu_res_deps(si_t *sih, struct osl_info *osh, chipcregs_t *cc, u32 rsrcs,
2060 for (i = 0; i <= PMURES_MAX_RESNUM; i++) {
2061 if (!(rsrcs & PMURES_BIT(i)))
2063 W_REG(osh, &cc->res_table_sel, i);
2064 deps |= R_REG(osh, &cc->res_dep_mask);
2067 return !all ? deps : (deps
2069 si_pmu_res_deps(sih, osh, cc, deps,
2073 /* power up/down OTP through PMU resources */
2074 void si_pmu_otp_power(si_t *sih, struct osl_info *osh, bool on)
2078 u32 rsrcs = 0; /* rsrcs to turn on/off OTP power */
2080 ASSERT(sih->cccaps & CC_CAP_PMU);
2082 /* Don't do anything if OTP is disabled */
2083 if (si_is_otp_disabled(sih)) {
2084 PMU_MSG(("si_pmu_otp_power: OTP is disabled\n"));
2088 /* Remember original core before switch to chipc */
2089 origidx = si_coreidx(sih);
2090 cc = si_setcoreidx(sih, SI_CC_IDX);
2093 switch (sih->chip) {
2094 case BCM4329_CHIP_ID:
2095 rsrcs = PMURES_BIT(RES4329_OTP_PU);
2097 case BCM4319_CHIP_ID:
2098 rsrcs = PMURES_BIT(RES4319_OTP_PU);
2100 case BCM4336_CHIP_ID:
2101 rsrcs = PMURES_BIT(RES4336_OTP_PU);
2103 case BCM4330_CHIP_ID:
2104 rsrcs = PMURES_BIT(RES4330_OTP_PU);
2113 /* Figure out the dependancies (exclude min_res_mask) */
2114 u32 deps = si_pmu_res_deps(sih, osh, cc, rsrcs, true);
2115 u32 min_mask = 0, max_mask = 0;
2116 si_pmu_res_masks(sih, &min_mask, &max_mask);
2118 /* Turn on/off the power */
2120 PMU_MSG(("Adding rsrc 0x%x to min_res_mask\n",
2122 OR_REG(osh, &cc->min_res_mask, (rsrcs | deps));
2123 SPINWAIT(!(R_REG(osh, &cc->res_state) & rsrcs),
2124 PMU_MAX_TRANSITION_DLY);
2125 ASSERT(R_REG(osh, &cc->res_state) & rsrcs);
2127 PMU_MSG(("Removing rsrc 0x%x from min_res_mask\n",
2129 AND_REG(osh, &cc->min_res_mask, ~(rsrcs | deps));
2132 SPINWAIT((((otps = R_REG(osh, &cc->otpstatus)) & OTPS_READY) !=
2133 (on ? OTPS_READY : 0)), 100);
2134 ASSERT((otps & OTPS_READY) == (on ? OTPS_READY : 0));
2135 if ((otps & OTPS_READY) != (on ? OTPS_READY : 0))
2136 PMU_MSG(("OTP ready bit not %s after wait\n",
2137 (on ? "ON" : "OFF")));
2140 /* Return to original core */
2141 si_setcoreidx(sih, origidx);
2144 void si_pmu_rcal(si_t *sih, struct osl_info *osh)
2149 ASSERT(sih->cccaps & CC_CAP_PMU);
2151 /* Remember original core before switch to chipc */
2152 origidx = si_coreidx(sih);
2153 cc = si_setcoreidx(sih, SI_CC_IDX);
2156 switch (sih->chip) {
2157 case BCM4329_CHIP_ID:{
2162 W_REG(osh, &cc->chipcontrol_addr, 1);
2164 /* Power Down RCAL Block */
2165 AND_REG(osh, &cc->chipcontrol_data, ~0x04);
2167 /* Power Up RCAL block */
2168 OR_REG(osh, &cc->chipcontrol_data, 0x04);
2170 /* Wait for completion */
2171 SPINWAIT(0 == (R_REG(osh, &cc->chipstatus) & 0x08),
2173 ASSERT(R_REG(osh, &cc->chipstatus) & 0x08);
2175 /* Drop the LSB to convert from 5 bit code to 4 bit code */
2177 (u8) (R_REG(osh, &cc->chipstatus) >> 5) & 0x0f;
2179 PMU_MSG(("RCal completed, status 0x%x, code 0x%x\n",
2180 R_REG(osh, &cc->chipstatus), rcal_code));
2182 /* Write RCal code into pmu_vreg_ctrl[32:29] */
2183 W_REG(osh, &cc->regcontrol_addr, 0);
2187 regcontrol_data) & ~((u32) 0x07 << 29);
2188 val |= (u32) (rcal_code & 0x07) << 29;
2189 W_REG(osh, &cc->regcontrol_data, val);
2190 W_REG(osh, &cc->regcontrol_addr, 1);
2191 val = R_REG(osh, &cc->regcontrol_data) & ~(u32) 0x01;
2192 val |= (u32) ((rcal_code >> 3) & 0x01);
2193 W_REG(osh, &cc->regcontrol_data, val);
2195 /* Write RCal code into pmu_chip_ctrl[33:30] */
2196 W_REG(osh, &cc->chipcontrol_addr, 0);
2200 chipcontrol_data) & ~((u32) 0x03 << 30);
2201 val |= (u32) (rcal_code & 0x03) << 30;
2202 W_REG(osh, &cc->chipcontrol_data, val);
2203 W_REG(osh, &cc->chipcontrol_addr, 1);
2205 R_REG(osh, &cc->chipcontrol_data) & ~(u32) 0x03;
2206 val |= (u32) ((rcal_code >> 2) & 0x03);
2207 W_REG(osh, &cc->chipcontrol_data, val);
2209 /* Set override in pmu_chip_ctrl[29] */
2210 W_REG(osh, &cc->chipcontrol_addr, 0);
2211 OR_REG(osh, &cc->chipcontrol_data, (0x01 << 29));
2213 /* Power off RCal block */
2214 W_REG(osh, &cc->chipcontrol_addr, 1);
2215 AND_REG(osh, &cc->chipcontrol_data, ~0x04);
2223 /* Return to original core */
2224 si_setcoreidx(sih, origidx);
2227 void si_pmu_spuravoid(si_t *sih, struct osl_info *osh, u8 spuravoid)
2230 uint origidx, intr_val;
2233 /* Remember original core before switch to chipc */
2234 cc = (chipcregs_t *) si_switch_core(sih, CC_CORE_ID, &origidx,
2238 /* force the HT off */
2239 if (sih->chip == BCM4336_CHIP_ID) {
2240 tmp = R_REG(osh, &cc->max_res_mask);
2241 tmp &= ~RES4336_HT_AVAIL;
2242 W_REG(osh, &cc->max_res_mask, tmp);
2243 /* wait for the ht to really go away */
2244 SPINWAIT(((R_REG(osh, &cc->clk_ctl_st) & CCS_HTAVAIL) == 0),
2246 ASSERT((R_REG(osh, &cc->clk_ctl_st) & CCS_HTAVAIL) == 0);
2249 /* update the pll changes */
2250 si_pmu_spuravoid_pllupdate(sih, cc, osh, spuravoid);
2252 /* enable HT back on */
2253 if (sih->chip == BCM4336_CHIP_ID) {
2254 tmp = R_REG(osh, &cc->max_res_mask);
2255 tmp |= RES4336_HT_AVAIL;
2256 W_REG(osh, &cc->max_res_mask, tmp);
2259 /* Return to original core */
2260 si_restore_core(sih, origidx, intr_val);
2264 si_pmu_spuravoid_pllupdate(si_t *sih, chipcregs_t *cc, struct osl_info *osh,
2268 u8 phypll_offset = 0;
2269 u8 bcm5357_bcm43236_p1div[] = { 0x1, 0x5, 0x5 };
2270 u8 bcm5357_bcm43236_ndiv[] = { 0x30, 0xf6, 0xfc };
2272 switch (sih->chip) {
2273 case BCM5357_CHIP_ID:
2274 case BCM43235_CHIP_ID:
2275 case BCM43236_CHIP_ID:
2276 case BCM43238_CHIP_ID:
2278 /* BCM5357 needs to touch PLL1_PLLCTL[02], so offset PLL0_PLLCTL[02] by 6 */
2279 phypll_offset = (sih->chip == BCM5357_CHIP_ID) ? 6 : 0;
2281 /* RMW only the P1 divider */
2282 W_REG(osh, &cc->pllcontrol_addr,
2283 PMU1_PLL0_PLLCTL0 + phypll_offset);
2284 tmp = R_REG(osh, &cc->pllcontrol_data);
2285 tmp &= (~(PMU1_PLL0_PC0_P1DIV_MASK));
2287 (bcm5357_bcm43236_p1div[spuravoid] <<
2288 PMU1_PLL0_PC0_P1DIV_SHIFT);
2289 W_REG(osh, &cc->pllcontrol_data, tmp);
2291 /* RMW only the int feedback divider */
2292 W_REG(osh, &cc->pllcontrol_addr,
2293 PMU1_PLL0_PLLCTL2 + phypll_offset);
2294 tmp = R_REG(osh, &cc->pllcontrol_data);
2295 tmp &= ~(PMU1_PLL0_PC2_NDIV_INT_MASK);
2297 (bcm5357_bcm43236_ndiv[spuravoid]) <<
2298 PMU1_PLL0_PC2_NDIV_INT_SHIFT;
2299 W_REG(osh, &cc->pllcontrol_data, tmp);
2304 case BCM4331_CHIP_ID:
2305 if (spuravoid == 2) {
2306 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
2307 W_REG(osh, &cc->pllcontrol_data, 0x11500014);
2308 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
2309 W_REG(osh, &cc->pllcontrol_data, 0x0FC00a08);
2310 } else if (spuravoid == 1) {
2311 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
2312 W_REG(osh, &cc->pllcontrol_data, 0x11500014);
2313 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
2314 W_REG(osh, &cc->pllcontrol_data, 0x0F600a08);
2316 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
2317 W_REG(osh, &cc->pllcontrol_data, 0x11100014);
2318 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
2319 W_REG(osh, &cc->pllcontrol_data, 0x03000a08);
2324 case BCM43224_CHIP_ID:
2325 case BCM43225_CHIP_ID:
2326 case BCM43421_CHIP_ID:
2327 case BCM6362_CHIP_ID:
2328 if (spuravoid == 1) {
2329 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
2330 W_REG(osh, &cc->pllcontrol_data, 0x11500010);
2331 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
2332 W_REG(osh, &cc->pllcontrol_data, 0x000C0C06);
2333 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
2334 W_REG(osh, &cc->pllcontrol_data, 0x0F600a08);
2335 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
2336 W_REG(osh, &cc->pllcontrol_data, 0x00000000);
2337 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
2338 W_REG(osh, &cc->pllcontrol_data, 0x2001E920);
2339 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
2340 W_REG(osh, &cc->pllcontrol_data, 0x88888815);
2342 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
2343 W_REG(osh, &cc->pllcontrol_data, 0x11100010);
2344 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
2345 W_REG(osh, &cc->pllcontrol_data, 0x000c0c06);
2346 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
2347 W_REG(osh, &cc->pllcontrol_data, 0x03000a08);
2348 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
2349 W_REG(osh, &cc->pllcontrol_data, 0x00000000);
2350 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
2351 W_REG(osh, &cc->pllcontrol_data, 0x200005c0);
2352 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
2353 W_REG(osh, &cc->pllcontrol_data, 0x88888815);
2358 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
2359 W_REG(osh, &cc->pllcontrol_data, 0x11100008);
2360 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
2361 W_REG(osh, &cc->pllcontrol_data, 0x0c000c06);
2362 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
2363 W_REG(osh, &cc->pllcontrol_data, 0x03000a08);
2364 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
2365 W_REG(osh, &cc->pllcontrol_data, 0x00000000);
2366 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
2367 W_REG(osh, &cc->pllcontrol_data, 0x200005c0);
2368 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
2369 W_REG(osh, &cc->pllcontrol_data, 0x88888855);
2374 case BCM4716_CHIP_ID:
2375 case BCM4748_CHIP_ID:
2376 case BCM47162_CHIP_ID:
2377 if (spuravoid == 1) {
2378 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
2379 W_REG(osh, &cc->pllcontrol_data, 0x11500060);
2380 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
2381 W_REG(osh, &cc->pllcontrol_data, 0x080C0C06);
2382 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
2383 W_REG(osh, &cc->pllcontrol_data, 0x0F600000);
2384 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
2385 W_REG(osh, &cc->pllcontrol_data, 0x00000000);
2386 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
2387 W_REG(osh, &cc->pllcontrol_data, 0x2001E924);
2388 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
2389 W_REG(osh, &cc->pllcontrol_data, 0x88888815);
2391 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
2392 W_REG(osh, &cc->pllcontrol_data, 0x11100060);
2393 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
2394 W_REG(osh, &cc->pllcontrol_data, 0x080c0c06);
2395 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
2396 W_REG(osh, &cc->pllcontrol_data, 0x03000000);
2397 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
2398 W_REG(osh, &cc->pllcontrol_data, 0x00000000);
2399 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
2400 W_REG(osh, &cc->pllcontrol_data, 0x200005c0);
2401 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
2402 W_REG(osh, &cc->pllcontrol_data, 0x88888815);
2408 case BCM4319_CHIP_ID:
2409 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
2410 W_REG(osh, &cc->pllcontrol_data, 0x11100070);
2411 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
2412 W_REG(osh, &cc->pllcontrol_data, 0x1014140a);
2413 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
2414 W_REG(osh, &cc->pllcontrol_data, 0x88888854);
2416 if (spuravoid == 1) { /* spur_avoid ON, enable 41/82/164Mhz clock mode */
2417 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
2418 W_REG(osh, &cc->pllcontrol_data, 0x05201828);
2419 } else { /* enable 40/80/160Mhz clock mode */
2420 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
2421 W_REG(osh, &cc->pllcontrol_data, 0x05001828);
2424 case BCM4336_CHIP_ID:
2425 /* Looks like these are only for default xtal freq 26MHz */
2426 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0);
2427 W_REG(osh, &cc->pllcontrol_data, 0x02100020);
2429 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
2430 W_REG(osh, &cc->pllcontrol_data, 0x0C0C0C0C);
2432 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2);
2433 W_REG(osh, &cc->pllcontrol_data, 0x01240C0C);
2435 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4);
2436 W_REG(osh, &cc->pllcontrol_data, 0x202C2820);
2438 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5);
2439 W_REG(osh, &cc->pllcontrol_data, 0x88888825);
2441 W_REG(osh, &cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3);
2442 if (spuravoid == 1) {
2443 W_REG(osh, &cc->pllcontrol_data, 0x00EC4EC4);
2445 W_REG(osh, &cc->pllcontrol_data, 0x00762762);
2448 tmp = PCTL_PLL_PLLCTL_UPD;
2452 PMU_ERROR(("%s: unknown spuravoidance settings for chip %s, not changing PLL\n", __func__, bcm_chipname(sih->chip, chn, 8)));
2456 tmp |= R_REG(osh, &cc->pmucontrol);
2457 W_REG(osh, &cc->pmucontrol, tmp);
2460 bool si_pmu_is_otp_powered(si_t *sih, struct osl_info *osh)
2466 /* Remember original core before switch to chipc */
2467 idx = si_coreidx(sih);
2468 cc = si_setcoreidx(sih, SI_CC_IDX);
2471 switch (sih->chip) {
2472 case BCM4329_CHIP_ID:
2473 st = (R_REG(osh, &cc->res_state) & PMURES_BIT(RES4329_OTP_PU))
2476 case BCM4319_CHIP_ID:
2477 st = (R_REG(osh, &cc->res_state) & PMURES_BIT(RES4319_OTP_PU))
2480 case BCM4336_CHIP_ID:
2481 st = (R_REG(osh, &cc->res_state) & PMURES_BIT(RES4336_OTP_PU))
2484 case BCM4330_CHIP_ID:
2485 st = (R_REG(osh, &cc->res_state) & PMURES_BIT(RES4330_OTP_PU))
2489 /* These chip doesn't use PMU bit to power up/down OTP. OTP always on.
2490 * Use OTP_INIT command to reset/refresh state.
2492 case BCM43224_CHIP_ID:
2493 case BCM43225_CHIP_ID:
2494 case BCM43421_CHIP_ID:
2495 case BCM43236_CHIP_ID:
2496 case BCM43235_CHIP_ID:
2497 case BCM43238_CHIP_ID:
2505 /* Return to original core */
2506 si_setcoreidx(sih, idx);
2512 si_pmu_sprom_enable(si_t *sih, struct osl_info *osh, bool enable)
2514 si_pmu_sprom_enable(si_t *sih, struct osl_info *osh, bool enable)
2520 /* Remember original core before switch to chipc */
2521 origidx = si_coreidx(sih);
2522 cc = si_setcoreidx(sih, SI_CC_IDX);
2525 /* Return to original core */
2526 si_setcoreidx(sih, origidx);
2529 /* initialize PMU chip controls and other chip level stuff */
2530 void si_pmu_chip_init(si_t *sih, struct osl_info *osh)
2534 ASSERT(sih->cccaps & CC_CAP_PMU);
2536 #ifdef CHIPC_UART_ALWAYS_ON
2537 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, clk_ctl_st),
2538 CCS_FORCEALP, CCS_FORCEALP);
2539 #endif /* CHIPC_UART_ALWAYS_ON */
2541 /* Gate off SPROM clock and chip select signals */
2542 si_pmu_sprom_enable(sih, osh, false);
2544 /* Remember original core */
2545 origidx = si_coreidx(sih);
2547 /* Return to original core */
2548 si_setcoreidx(sih, origidx);
2551 /* initialize PMU switch/regulators */
2552 void si_pmu_swreg_init(si_t *sih, struct osl_info *osh)
2554 ASSERT(sih->cccaps & CC_CAP_PMU);
2556 switch (sih->chip) {
2557 case BCM4336_CHIP_ID:
2558 /* Reduce CLDO PWM output voltage to 1.2V */
2559 si_pmu_set_ldo_voltage(sih, osh, SET_LDO_VOLTAGE_CLDO_PWM, 0xe);
2560 /* Reduce CLDO BURST output voltage to 1.2V */
2561 si_pmu_set_ldo_voltage(sih, osh, SET_LDO_VOLTAGE_CLDO_BURST,
2563 /* Reduce LNLDO1 output voltage to 1.2V */
2564 si_pmu_set_ldo_voltage(sih, osh, SET_LDO_VOLTAGE_LNLDO1, 0xe);
2565 if (sih->chiprev == 0)
2566 si_pmu_regcontrol(sih, 2, 0x400000, 0x400000);
2569 case BCM4330_CHIP_ID:
2570 /* CBUCK Voltage is 1.8 by default and set that to 1.5 */
2571 si_pmu_set_ldo_voltage(sih, osh, SET_LDO_VOLTAGE_CBUCK_PWM, 0);
2578 void si_pmu_radio_enable(si_t *sih, bool enable)
2580 ASSERT(sih->cccaps & CC_CAP_PMU);
2582 switch (sih->chip) {
2583 case BCM4319_CHIP_ID:
2585 si_write_wrapperreg(sih, AI_OOBSELOUTB74,
2588 si_write_wrapperreg(sih, AI_OOBSELOUTB74,
2594 /* Wait for a particular clock level to be on the backplane */
2596 si_pmu_waitforclk_on_backplane(si_t *sih, struct osl_info *osh, u32 clk,
2602 ASSERT(sih->cccaps & CC_CAP_PMU);
2604 /* Remember original core before switch to chipc */
2605 origidx = si_coreidx(sih);
2606 cc = si_setcoreidx(sih, SI_CC_IDX);
2610 SPINWAIT(((R_REG(osh, &cc->pmustatus) & clk) != clk), delay);
2612 /* Return to original core */
2613 si_setcoreidx(sih, origidx);
2615 return R_REG(osh, &cc->pmustatus) & clk;
2619 * Measures the ALP clock frequency in KHz. Returns 0 if not possible.
2620 * Possible only if PMU rev >= 10 and there is an external LPO 32768Hz crystal.
2623 #define EXT_ILP_HZ 32768
2625 u32 si_pmu_measure_alpclk(si_t *sih, struct osl_info *osh)
2631 if (sih->pmurev < 10)
2634 ASSERT(sih->cccaps & CC_CAP_PMU);
2636 /* Remember original core before switch to chipc */
2637 origidx = si_coreidx(sih);
2638 cc = si_setcoreidx(sih, SI_CC_IDX);
2641 if (R_REG(osh, &cc->pmustatus) & PST_EXTLPOAVAIL) {
2642 u32 ilp_ctr, alp_hz;
2644 /* Enable the reg to measure the freq, in case disabled before */
2645 W_REG(osh, &cc->pmu_xtalfreq,
2646 1U << PMU_XTALFREQ_REG_MEASURE_SHIFT);
2648 /* Delay for well over 4 ILP clocks */
2651 /* Read the latched number of ALP ticks per 4 ILP ticks */
2654 &cc->pmu_xtalfreq) & PMU_XTALFREQ_REG_ILPCTR_MASK;
2656 /* Turn off the PMU_XTALFREQ_REG_MEASURE_SHIFT bit to save power */
2657 W_REG(osh, &cc->pmu_xtalfreq, 0);
2659 /* Calculate ALP frequency */
2660 alp_hz = (ilp_ctr * EXT_ILP_HZ) / 4;
2662 /* Round to nearest 100KHz, and at the same time convert to KHz */
2663 alp_khz = (alp_hz + 50000) / 100000 * 100;
2667 /* Return to original core */
2668 si_setcoreidx(sih, origidx);
2673 static void si_pmu_set_4330_plldivs(si_t *sih)
2675 u32 FVCO = si_pmu1_pllfvco0(sih) / 1000;
2676 u32 m1div, m2div, m3div, m4div, m5div, m6div;
2679 m2div = m3div = m4div = m6div = FVCO / 80;
2682 if (CST4330_CHIPMODE_SDIOD(sih->chipst))
2687 (m1div << PMU1_PLL0_PC1_M1DIV_SHIFT) | (m2div <<
2688 PMU1_PLL0_PC1_M2DIV_SHIFT) |
2689 (m3div << PMU1_PLL0_PC1_M3DIV_SHIFT) | (m4div <<
2690 PMU1_PLL0_PC1_M4DIV_SHIFT);
2691 si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL1, ~0, pllc1);
2693 pllc2 = si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL1, 0, 0);
2694 pllc2 &= ~(PMU1_PLL0_PC2_M5DIV_MASK | PMU1_PLL0_PC2_M6DIV_MASK);
2696 ((m5div << PMU1_PLL0_PC2_M5DIV_SHIFT) |
2697 (m6div << PMU1_PLL0_PC2_M6DIV_SHIFT));
2698 si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL2, ~0, pllc2);