1 /*
2  * Broadcom specific AMBA
3  * ChipCommon Power Management Unit driver
4  *
5  * Copyright 2009, Michael Buesch <m@bues.ch>
6  * Copyright 2007, 2011, Broadcom Corporation
7  * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
8  *
9  * Licensed under the GNU/GPL. See COPYING for details.
10  */
11 
12 #include "bcma_private.h"
13 #include <linux/export.h>
14 #include <linux/bcma/bcma.h>
15 
16 u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset)
17 {
18 	bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
19 	bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
20 	return bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA);
21 }
22 EXPORT_SYMBOL_GPL(bcma_chipco_pll_read);
23 
24 void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value)
25 {
26 	bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
27 	bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
28 	bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, value);
29 }
30 EXPORT_SYMBOL_GPL(bcma_chipco_pll_write);
31 
32 void bcma_chipco_pll_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
33 			     u32 set)
34 {
35 	bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
36 	bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
37 	bcma_cc_maskset32(cc, BCMA_CC_PLLCTL_DATA, mask, set);
38 }
39 EXPORT_SYMBOL_GPL(bcma_chipco_pll_maskset);
40 
41 void bcma_chipco_chipctl_maskset(struct bcma_drv_cc *cc,
42 				 u32 offset, u32 mask, u32 set)
43 {
44 	bcma_cc_write32(cc, BCMA_CC_CHIPCTL_ADDR, offset);
45 	bcma_cc_read32(cc, BCMA_CC_CHIPCTL_ADDR);
46 	bcma_cc_maskset32(cc, BCMA_CC_CHIPCTL_DATA, mask, set);
47 }
48 EXPORT_SYMBOL_GPL(bcma_chipco_chipctl_maskset);
49 
50 void bcma_chipco_regctl_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
51 				u32 set)
52 {
53 	bcma_cc_write32(cc, BCMA_CC_REGCTL_ADDR, offset);
54 	bcma_cc_read32(cc, BCMA_CC_REGCTL_ADDR);
55 	bcma_cc_maskset32(cc, BCMA_CC_REGCTL_DATA, mask, set);
56 }
57 EXPORT_SYMBOL_GPL(bcma_chipco_regctl_maskset);
58 
59 static u32 bcma_pmu_xtalfreq(struct bcma_drv_cc *cc)
60 {
61 	u32 ilp_ctl, alp_hz;
62 
63 	if (!(bcma_cc_read32(cc, BCMA_CC_PMU_STAT) &
64 	      BCMA_CC_PMU_STAT_EXT_LPO_AVAIL))
65 		return 0;
66 
67 	bcma_cc_write32(cc, BCMA_CC_PMU_XTAL_FREQ,
68 			BIT(BCMA_CC_PMU_XTAL_FREQ_MEASURE_SHIFT));
69 	usleep_range(1000, 2000);
70 
71 	ilp_ctl = bcma_cc_read32(cc, BCMA_CC_PMU_XTAL_FREQ);
72 	ilp_ctl &= BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK;
73 
74 	bcma_cc_write32(cc, BCMA_CC_PMU_XTAL_FREQ, 0);
75 
76 	alp_hz = ilp_ctl * 32768 / 4;
77 	return (alp_hz + 50000) / 100000 * 100;
78 }
79 
80 static void bcma_pmu2_pll_init0(struct bcma_drv_cc *cc, u32 xtalfreq)
81 {
82 	struct bcma_bus *bus = cc->core->bus;
83 	u32 freq_tgt_target = 0, freq_tgt_current;
84 	u32 pll0, mask;
85 
86 	switch (bus->chipinfo.id) {
87 	case BCMA_CHIP_ID_BCM43142:
88 		/* pmu2_xtaltab0_adfll_485 */
89 		switch (xtalfreq) {
90 		case 12000:
91 			freq_tgt_target = 0x50D52;
92 			break;
93 		case 20000:
94 			freq_tgt_target = 0x307FE;
95 			break;
96 		case 26000:
97 			freq_tgt_target = 0x254EA;
98 			break;
99 		case 37400:
100 			freq_tgt_target = 0x19EF8;
101 			break;
102 		case 52000:
103 			freq_tgt_target = 0x12A75;
104 			break;
105 		}
106 		break;
107 	}
108 
109 	if (!freq_tgt_target) {
110 		bcma_err(bus, "Unknown TGT frequency for xtalfreq %d\n",
111 			 xtalfreq);
112 		return;
113 	}
114 
115 	pll0 = bcma_chipco_pll_read(cc, BCMA_CC_PMU15_PLL_PLLCTL0);
116 	freq_tgt_current = (pll0 & BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK) >>
117 		BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
118 
119 	if (freq_tgt_current == freq_tgt_target) {
120 		bcma_debug(bus, "Target TGT frequency already set\n");
121 		return;
122 	}
123 
124 	/* Turn off PLL */
125 	switch (bus->chipinfo.id) {
126 	case BCMA_CHIP_ID_BCM43142:
127 		mask = (u32)~(BCMA_RES_4314_HT_AVAIL |
128 			      BCMA_RES_4314_MACPHY_CLK_AVAIL);
129 
130 		bcma_cc_mask32(cc, BCMA_CC_PMU_MINRES_MSK, mask);
131 		bcma_cc_mask32(cc, BCMA_CC_PMU_MAXRES_MSK, mask);
132 		bcma_wait_value(cc->core, BCMA_CLKCTLST,
133 				BCMA_CLKCTLST_HAVEHT, 0, 20000);
134 		break;
135 	}
136 
137 	pll0 &= ~BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK;
138 	pll0 |= freq_tgt_target << BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
139 	bcma_chipco_pll_write(cc, BCMA_CC_PMU15_PLL_PLLCTL0, pll0);
140 
141 	/* Flush */
142 	if (cc->pmu.rev >= 2)
143 		bcma_cc_set32(cc, BCMA_CC_PMU_CTL, BCMA_CC_PMU_CTL_PLL_UPD);
144 
145 	/* TODO: Do we need to update OTP? */
146 }
147 
148 static void bcma_pmu_pll_init(struct bcma_drv_cc *cc)
149 {
150 	struct bcma_bus *bus = cc->core->bus;
151 	u32 xtalfreq = bcma_pmu_xtalfreq(cc);
152 
153 	switch (bus->chipinfo.id) {
154 	case BCMA_CHIP_ID_BCM43142:
155 		if (xtalfreq == 0)
156 			xtalfreq = 20000;
157 		bcma_pmu2_pll_init0(cc, xtalfreq);
158 		break;
159 	}
160 }
161 
162 static void bcma_pmu_resources_init(struct bcma_drv_cc *cc)
163 {
164 	struct bcma_bus *bus = cc->core->bus;
165 	u32 min_msk = 0, max_msk = 0;
166 
167 	switch (bus->chipinfo.id) {
168 	case BCMA_CHIP_ID_BCM4313:
169 		min_msk = 0x200D;
170 		max_msk = 0xFFFF;
171 		break;
172 	case BCMA_CHIP_ID_BCM43142:
173 		min_msk = BCMA_RES_4314_LPLDO_PU |
174 			  BCMA_RES_4314_PMU_SLEEP_DIS |
175 			  BCMA_RES_4314_PMU_BG_PU |
176 			  BCMA_RES_4314_CBUCK_LPOM_PU |
177 			  BCMA_RES_4314_CBUCK_PFM_PU |
178 			  BCMA_RES_4314_CLDO_PU |
179 			  BCMA_RES_4314_LPLDO2_LVM |
180 			  BCMA_RES_4314_WL_PMU_PU |
181 			  BCMA_RES_4314_LDO3P3_PU |
182 			  BCMA_RES_4314_OTP_PU |
183 			  BCMA_RES_4314_WL_PWRSW_PU |
184 			  BCMA_RES_4314_LQ_AVAIL |
185 			  BCMA_RES_4314_LOGIC_RET |
186 			  BCMA_RES_4314_MEM_SLEEP |
187 			  BCMA_RES_4314_MACPHY_RET |
188 			  BCMA_RES_4314_WL_CORE_READY;
189 		max_msk = 0x3FFFFFFF;
190 		break;
191 	default:
192 		bcma_debug(bus, "PMU resource config unknown or not needed for device 0x%04X\n",
193 			   bus->chipinfo.id);
194 	}
195 
196 	/* Set the resource masks. */
197 	if (min_msk)
198 		bcma_cc_write32(cc, BCMA_CC_PMU_MINRES_MSK, min_msk);
199 	if (max_msk)
200 		bcma_cc_write32(cc, BCMA_CC_PMU_MAXRES_MSK, max_msk);
201 
202 	/*
203 	 * Add some delay; allow resources to come up and settle.
204 	 * Delay is required for SoC (early init).
205 	 */
206 	mdelay(2);
207 }
208 
209 /* Disable to allow reading SPROM. Don't know the adventages of enabling it. */
210 void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable)
211 {
212 	struct bcma_bus *bus = cc->core->bus;
213 	u32 val;
214 
215 	val = bcma_cc_read32(cc, BCMA_CC_CHIPCTL);
216 	if (enable) {
217 		val |= BCMA_CHIPCTL_4331_EXTPA_EN;
218 		if (bus->chipinfo.pkg == 9 || bus->chipinfo.pkg == 11)
219 			val |= BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
220 		else if (bus->chipinfo.rev > 0)
221 			val |= BCMA_CHIPCTL_4331_EXTPA_EN2;
222 	} else {
223 		val &= ~BCMA_CHIPCTL_4331_EXTPA_EN;
224 		val &= ~BCMA_CHIPCTL_4331_EXTPA_EN2;
225 		val &= ~BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
226 	}
227 	bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val);
228 }
229 
230 static void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
231 {
232 	struct bcma_bus *bus = cc->core->bus;
233 
234 	switch (bus->chipinfo.id) {
235 	case BCMA_CHIP_ID_BCM4313:
236 		/* enable 12 mA drive strenth for 4313 and set chipControl
237 		   register bit 1 */
238 		bcma_chipco_chipctl_maskset(cc, 0,
239 					    ~BCMA_CCTRL_4313_12MA_LED_DRIVE,
240 					    BCMA_CCTRL_4313_12MA_LED_DRIVE);
241 		break;
242 	case BCMA_CHIP_ID_BCM4331:
243 	case BCMA_CHIP_ID_BCM43431:
244 		/* Ext PA lines must be enabled for tx on BCM4331 */
245 		bcma_chipco_bcm4331_ext_pa_lines_ctl(cc, true);
246 		break;
247 	case BCMA_CHIP_ID_BCM43224:
248 	case BCMA_CHIP_ID_BCM43421:
249 		/* enable 12 mA drive strenth for 43224 and set chipControl
250 		   register bit 15 */
251 		if (bus->chipinfo.rev == 0) {
252 			bcma_cc_maskset32(cc, BCMA_CC_CHIPCTL,
253 					  ~BCMA_CCTRL_43224_GPIO_TOGGLE,
254 					  BCMA_CCTRL_43224_GPIO_TOGGLE);
255 			bcma_chipco_chipctl_maskset(cc, 0,
256 						    ~BCMA_CCTRL_43224A0_12MA_LED_DRIVE,
257 						    BCMA_CCTRL_43224A0_12MA_LED_DRIVE);
258 		} else {
259 			bcma_chipco_chipctl_maskset(cc, 0,
260 						    ~BCMA_CCTRL_43224B0_12MA_LED_DRIVE,
261 						    BCMA_CCTRL_43224B0_12MA_LED_DRIVE);
262 		}
263 		break;
264 	default:
265 		bcma_debug(bus, "Workarounds unknown or not needed for device 0x%04X\n",
266 			   bus->chipinfo.id);
267 	}
268 }
269 
270 void bcma_pmu_early_init(struct bcma_drv_cc *cc)
271 {
272 	u32 pmucap;
273 
274 	pmucap = bcma_cc_read32(cc, BCMA_CC_PMU_CAP);
275 	cc->pmu.rev = (pmucap & BCMA_CC_PMU_CAP_REVISION);
276 
277 	bcma_debug(cc->core->bus, "Found rev %u PMU (capabilities 0x%08X)\n",
278 		   cc->pmu.rev, pmucap);
279 }
280 
281 void bcma_pmu_init(struct bcma_drv_cc *cc)
282 {
283 	if (cc->pmu.rev == 1)
284 		bcma_cc_mask32(cc, BCMA_CC_PMU_CTL,
285 			      ~BCMA_CC_PMU_CTL_NOILPONW);
286 	else
287 		bcma_cc_set32(cc, BCMA_CC_PMU_CTL,
288 			     BCMA_CC_PMU_CTL_NOILPONW);
289 
290 	bcma_pmu_pll_init(cc);
291 	bcma_pmu_resources_init(cc);
292 	bcma_pmu_workarounds(cc);
293 }
294 
295 u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc)
296 {
297 	struct bcma_bus *bus = cc->core->bus;
298 
299 	switch (bus->chipinfo.id) {
300 	case BCMA_CHIP_ID_BCM4313:
301 	case BCMA_CHIP_ID_BCM43224:
302 	case BCMA_CHIP_ID_BCM43225:
303 	case BCMA_CHIP_ID_BCM43227:
304 	case BCMA_CHIP_ID_BCM43228:
305 	case BCMA_CHIP_ID_BCM4331:
306 	case BCMA_CHIP_ID_BCM43421:
307 	case BCMA_CHIP_ID_BCM43428:
308 	case BCMA_CHIP_ID_BCM43431:
309 	case BCMA_CHIP_ID_BCM4716:
310 	case BCMA_CHIP_ID_BCM47162:
311 	case BCMA_CHIP_ID_BCM4748:
312 	case BCMA_CHIP_ID_BCM4749:
313 	case BCMA_CHIP_ID_BCM5357:
314 	case BCMA_CHIP_ID_BCM53572:
315 	case BCMA_CHIP_ID_BCM6362:
316 		/* always 20Mhz */
317 		return 20000 * 1000;
318 	case BCMA_CHIP_ID_BCM4706:
319 	case BCMA_CHIP_ID_BCM5356:
320 		/* always 25Mhz */
321 		return 25000 * 1000;
322 	case BCMA_CHIP_ID_BCM43460:
323 	case BCMA_CHIP_ID_BCM4352:
324 	case BCMA_CHIP_ID_BCM4360:
325 		if (cc->status & BCMA_CC_CHIPST_4360_XTAL_40MZ)
326 			return 40000 * 1000;
327 		else
328 			return 20000 * 1000;
329 	default:
330 		bcma_warn(bus, "No ALP clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
331 			  bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_ALP_CLOCK);
332 	}
333 	return BCMA_CC_PMU_ALP_CLOCK;
334 }
335 
336 /* Find the output of the "m" pll divider given pll controls that start with
337  * pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc.
338  */
339 static u32 bcma_pmu_pll_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m)
340 {
341 	u32 tmp, div, ndiv, p1, p2, fc;
342 	struct bcma_bus *bus = cc->core->bus;
343 
344 	BUG_ON((pll0 & 3) || (pll0 > BCMA_CC_PMU4716_MAINPLL_PLL0));
345 
346 	BUG_ON(!m || m > 4);
347 
348 	if (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
349 	    bus->chipinfo.id == BCMA_CHIP_ID_BCM4749) {
350 		/* Detect failure in clock setting */
351 		tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
352 		if (tmp & 0x40000)
353 			return 133 * 1000000;
354 	}
355 
356 	tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_P1P2_OFF);
357 	p1 = (tmp & BCMA_CC_PPL_P1_MASK) >> BCMA_CC_PPL_P1_SHIFT;
358 	p2 = (tmp & BCMA_CC_PPL_P2_MASK) >> BCMA_CC_PPL_P2_SHIFT;
359 
360 	tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_M14_OFF);
361 	div = (tmp >> ((m - 1) * BCMA_CC_PPL_MDIV_WIDTH)) &
362 		BCMA_CC_PPL_MDIV_MASK;
363 
364 	tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_NM5_OFF);
365 	ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT;
366 
367 	/* Do calculation in Mhz */
368 	fc = bcma_pmu_get_alp_clock(cc) / 1000000;
369 	fc = (p1 * ndiv * fc) / p2;
370 
371 	/* Return clock in Hertz */
372 	return (fc / div) * 1000000;
373 }
374 
375 static u32 bcma_pmu_pll_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m)
376 {
377 	u32 tmp, ndiv, p1div, p2div;
378 	u32 clock;
379 
380 	BUG_ON(!m || m > 4);
381 
382 	/* Get N, P1 and P2 dividers to determine CPU clock */
383 	tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PMU6_4706_PROCPLL_OFF);
384 	ndiv = (tmp & BCMA_CC_PMU6_4706_PROC_NDIV_INT_MASK)
385 		>> BCMA_CC_PMU6_4706_PROC_NDIV_INT_SHIFT;
386 	p1div = (tmp & BCMA_CC_PMU6_4706_PROC_P1DIV_MASK)
387 		>> BCMA_CC_PMU6_4706_PROC_P1DIV_SHIFT;
388 	p2div = (tmp & BCMA_CC_PMU6_4706_PROC_P2DIV_MASK)
389 		>> BCMA_CC_PMU6_4706_PROC_P2DIV_SHIFT;
390 
391 	tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
392 	if (tmp & BCMA_CC_CHIPST_4706_PKG_OPTION)
393 		/* Low cost bonding: Fixed reference clock 25MHz and m = 4 */
394 		clock = (25000000 / 4) * ndiv * p2div / p1div;
395 	else
396 		/* Fixed reference clock 25MHz and m = 2 */
397 		clock = (25000000 / 2) * ndiv * p2div / p1div;
398 
399 	if (m == BCMA_CC_PMU5_MAINPLL_SSB)
400 		clock = clock / 4;
401 
402 	return clock;
403 }
404 
405 /* query bus clock frequency for PMU-enabled chipcommon */
406 u32 bcma_pmu_get_bus_clock(struct bcma_drv_cc *cc)
407 {
408 	struct bcma_bus *bus = cc->core->bus;
409 
410 	switch (bus->chipinfo.id) {
411 	case BCMA_CHIP_ID_BCM4716:
412 	case BCMA_CHIP_ID_BCM4748:
413 	case BCMA_CHIP_ID_BCM47162:
414 		return bcma_pmu_pll_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0,
415 					  BCMA_CC_PMU5_MAINPLL_SSB);
416 	case BCMA_CHIP_ID_BCM5356:
417 		return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0,
418 					  BCMA_CC_PMU5_MAINPLL_SSB);
419 	case BCMA_CHIP_ID_BCM5357:
420 	case BCMA_CHIP_ID_BCM4749:
421 		return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0,
422 					  BCMA_CC_PMU5_MAINPLL_SSB);
423 	case BCMA_CHIP_ID_BCM4706:
424 		return bcma_pmu_pll_clock_bcm4706(cc,
425 						  BCMA_CC_PMU4706_MAINPLL_PLL0,
426 						  BCMA_CC_PMU5_MAINPLL_SSB);
427 	case BCMA_CHIP_ID_BCM53572:
428 		return 75000000;
429 	default:
430 		bcma_warn(bus, "No bus clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
431 			  bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_HT_CLOCK);
432 	}
433 	return BCMA_CC_PMU_HT_CLOCK;
434 }
435 EXPORT_SYMBOL_GPL(bcma_pmu_get_bus_clock);
436 
437 /* query cpu clock frequency for PMU-enabled chipcommon */
438 u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc)
439 {
440 	struct bcma_bus *bus = cc->core->bus;
441 
442 	if (bus->chipinfo.id == BCMA_CHIP_ID_BCM53572)
443 		return 300000000;
444 
445 	/* New PMUs can have different clock for bus and CPU */
446 	if (cc->pmu.rev >= 5) {
447 		u32 pll;
448 		switch (bus->chipinfo.id) {
449 		case BCMA_CHIP_ID_BCM4706:
450 			return bcma_pmu_pll_clock_bcm4706(cc,
451 						BCMA_CC_PMU4706_MAINPLL_PLL0,
452 						BCMA_CC_PMU5_MAINPLL_CPU);
453 		case BCMA_CHIP_ID_BCM5356:
454 			pll = BCMA_CC_PMU5356_MAINPLL_PLL0;
455 			break;
456 		case BCMA_CHIP_ID_BCM5357:
457 		case BCMA_CHIP_ID_BCM4749:
458 			pll = BCMA_CC_PMU5357_MAINPLL_PLL0;
459 			break;
460 		default:
461 			pll = BCMA_CC_PMU4716_MAINPLL_PLL0;
462 			break;
463 		}
464 
465 		return bcma_pmu_pll_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU);
466 	}
467 
468 	/* On old PMUs CPU has the same clock as the bus */
469 	return bcma_pmu_get_bus_clock(cc);
470 }
471 
472 static void bcma_pmu_spuravoid_pll_write(struct bcma_drv_cc *cc, u32 offset,
473 					 u32 value)
474 {
475 	bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
476 	bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, value);
477 }
478 
479 void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid)
480 {
481 	u32 tmp = 0;
482 	u8 phypll_offset = 0;
483 	u8 bcm5357_bcm43236_p1div[] = {0x1, 0x5, 0x5};
484 	u8 bcm5357_bcm43236_ndiv[] = {0x30, 0xf6, 0xfc};
485 	struct bcma_bus *bus = cc->core->bus;
486 
487 	switch (bus->chipinfo.id) {
488 	case BCMA_CHIP_ID_BCM5357:
489 	case BCMA_CHIP_ID_BCM4749:
490 	case BCMA_CHIP_ID_BCM53572:
491 		/* 5357[ab]0, 43236[ab]0, and 6362b0 */
492 
493 		/* BCM5357 needs to touch PLL1_PLLCTL[02],
494 		   so offset PLL0_PLLCTL[02] by 6 */
495 		phypll_offset = (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
496 		       bus->chipinfo.id == BCMA_CHIP_ID_BCM4749 ||
497 		       bus->chipinfo.id == BCMA_CHIP_ID_BCM53572) ? 6 : 0;
498 
499 		/* RMW only the P1 divider */
500 		bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR,
501 				BCMA_CC_PMU_PLL_CTL0 + phypll_offset);
502 		tmp = bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA);
503 		tmp &= (~(BCMA_CC_PMU1_PLL0_PC0_P1DIV_MASK));
504 		tmp |= (bcm5357_bcm43236_p1div[spuravoid] << BCMA_CC_PMU1_PLL0_PC0_P1DIV_SHIFT);
505 		bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, tmp);
506 
507 		/* RMW only the int feedback divider */
508 		bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR,
509 				BCMA_CC_PMU_PLL_CTL2 + phypll_offset);
510 		tmp = bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA);
511 		tmp &= ~(BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_MASK);
512 		tmp |= (bcm5357_bcm43236_ndiv[spuravoid]) << BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT;
513 		bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, tmp);
514 
515 		tmp = BCMA_CC_PMU_CTL_PLL_UPD;
516 		break;
517 
518 	case BCMA_CHIP_ID_BCM4331:
519 	case BCMA_CHIP_ID_BCM43431:
520 		if (spuravoid == 2) {
521 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
522 						     0x11500014);
523 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
524 						     0x0FC00a08);
525 		} else if (spuravoid == 1) {
526 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
527 						     0x11500014);
528 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
529 						     0x0F600a08);
530 		} else {
531 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
532 						     0x11100014);
533 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
534 						     0x03000a08);
535 		}
536 		tmp = BCMA_CC_PMU_CTL_PLL_UPD;
537 		break;
538 
539 	case BCMA_CHIP_ID_BCM43224:
540 	case BCMA_CHIP_ID_BCM43225:
541 	case BCMA_CHIP_ID_BCM43421:
542 		if (spuravoid == 1) {
543 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
544 						     0x11500010);
545 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
546 						     0x000C0C06);
547 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
548 						     0x0F600a08);
549 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
550 						     0x00000000);
551 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
552 						     0x2001E920);
553 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
554 						     0x88888815);
555 		} else {
556 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
557 						     0x11100010);
558 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
559 						     0x000c0c06);
560 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
561 						     0x03000a08);
562 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
563 						     0x00000000);
564 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
565 						     0x200005c0);
566 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
567 						     0x88888815);
568 		}
569 		tmp = BCMA_CC_PMU_CTL_PLL_UPD;
570 		break;
571 
572 	case BCMA_CHIP_ID_BCM4716:
573 	case BCMA_CHIP_ID_BCM4748:
574 	case BCMA_CHIP_ID_BCM47162:
575 		if (spuravoid == 1) {
576 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
577 						     0x11500060);
578 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
579 						     0x080C0C06);
580 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
581 						     0x0F600000);
582 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
583 						     0x00000000);
584 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
585 						     0x2001E924);
586 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
587 						     0x88888815);
588 		} else {
589 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
590 						     0x11100060);
591 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
592 						     0x080c0c06);
593 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
594 						     0x03000000);
595 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
596 						     0x00000000);
597 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
598 						     0x200005c0);
599 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
600 						     0x88888815);
601 		}
602 
603 		tmp = BCMA_CC_PMU_CTL_PLL_UPD | BCMA_CC_PMU_CTL_NOILPONW;
604 		break;
605 
606 	case BCMA_CHIP_ID_BCM43131:
607 	case BCMA_CHIP_ID_BCM43217:
608 	case BCMA_CHIP_ID_BCM43227:
609 	case BCMA_CHIP_ID_BCM43228:
610 	case BCMA_CHIP_ID_BCM43428:
611 		/* LCNXN */
612 		/* PLL Settings for spur avoidance on/off mode,
613 		   no on2 support for 43228A0 */
614 		if (spuravoid == 1) {
615 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
616 						     0x01100014);
617 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
618 						     0x040C0C06);
619 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
620 						     0x03140A08);
621 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
622 						     0x00333333);
623 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
624 						     0x202C2820);
625 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
626 						     0x88888815);
627 		} else {
628 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
629 						     0x11100014);
630 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
631 						     0x040c0c06);
632 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
633 						     0x03000a08);
634 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
635 						     0x00000000);
636 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
637 						     0x200005c0);
638 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
639 						     0x88888815);
640 		}
641 		tmp = BCMA_CC_PMU_CTL_PLL_UPD;
642 		break;
643 	default:
644 		bcma_err(bus, "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n",
645 			 bus->chipinfo.id);
646 		break;
647 	}
648 
649 	tmp |= bcma_cc_read32(cc, BCMA_CC_PMU_CTL);
650 	bcma_cc_write32(cc, BCMA_CC_PMU_CTL, tmp);
651 }
652 EXPORT_SYMBOL_GPL(bcma_pmu_spuravoid_pllupdate);
653