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_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset); 19 bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR); 20 return bcma_pmu_read32(cc, BCMA_CC_PMU_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_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset); 27 bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR); 28 bcma_pmu_write32(cc, BCMA_CC_PMU_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_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset); 36 bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR); 37 bcma_pmu_maskset32(cc, BCMA_CC_PMU_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_pmu_write32(cc, BCMA_CC_PMU_CHIPCTL_ADDR, offset); 45 bcma_pmu_read32(cc, BCMA_CC_PMU_CHIPCTL_ADDR); 46 bcma_pmu_maskset32(cc, BCMA_CC_PMU_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_pmu_write32(cc, BCMA_CC_PMU_REGCTL_ADDR, offset); 54 bcma_pmu_read32(cc, BCMA_CC_PMU_REGCTL_ADDR); 55 bcma_pmu_maskset32(cc, BCMA_CC_PMU_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_pmu_read32(cc, BCMA_CC_PMU_STAT) & 64 BCMA_CC_PMU_STAT_EXT_LPO_AVAIL)) 65 return 0; 66 67 bcma_pmu_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_pmu_read32(cc, BCMA_CC_PMU_XTAL_FREQ); 72 ilp_ctl &= BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK; 73 74 bcma_pmu_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_pmu_mask32(cc, BCMA_CC_PMU_MINRES_MSK, mask); 131 bcma_pmu_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_pmu_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_pmu_write32(cc, BCMA_CC_PMU_MINRES_MSK, min_msk); 199 if (max_msk) 200 bcma_pmu_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 usleep_range(2000, 2500); 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 struct bcma_bus *bus = cc->core->bus; 273 u32 pmucap; 274 275 if (cc->core->id.rev >= 35 && 276 cc->capabilities_ext & BCMA_CC_CAP_EXT_AOB_PRESENT) { 277 cc->pmu.core = bcma_find_core(bus, BCMA_CORE_PMU); 278 if (!cc->pmu.core) 279 bcma_warn(bus, "Couldn't find expected PMU core"); 280 } 281 if (!cc->pmu.core) 282 cc->pmu.core = cc->core; 283 284 pmucap = bcma_pmu_read32(cc, BCMA_CC_PMU_CAP); 285 cc->pmu.rev = (pmucap & BCMA_CC_PMU_CAP_REVISION); 286 287 bcma_debug(bus, "Found rev %u PMU (capabilities 0x%08X)\n", cc->pmu.rev, 288 pmucap); 289 } 290 291 void bcma_pmu_init(struct bcma_drv_cc *cc) 292 { 293 if (cc->pmu.rev == 1) 294 bcma_pmu_mask32(cc, BCMA_CC_PMU_CTL, 295 ~BCMA_CC_PMU_CTL_NOILPONW); 296 else 297 bcma_pmu_set32(cc, BCMA_CC_PMU_CTL, 298 BCMA_CC_PMU_CTL_NOILPONW); 299 300 bcma_pmu_pll_init(cc); 301 bcma_pmu_resources_init(cc); 302 bcma_pmu_workarounds(cc); 303 } 304 305 u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc) 306 { 307 struct bcma_bus *bus = cc->core->bus; 308 309 switch (bus->chipinfo.id) { 310 case BCMA_CHIP_ID_BCM4313: 311 case BCMA_CHIP_ID_BCM43224: 312 case BCMA_CHIP_ID_BCM43225: 313 case BCMA_CHIP_ID_BCM43227: 314 case BCMA_CHIP_ID_BCM43228: 315 case BCMA_CHIP_ID_BCM4331: 316 case BCMA_CHIP_ID_BCM43421: 317 case BCMA_CHIP_ID_BCM43428: 318 case BCMA_CHIP_ID_BCM43431: 319 case BCMA_CHIP_ID_BCM4716: 320 case BCMA_CHIP_ID_BCM47162: 321 case BCMA_CHIP_ID_BCM4748: 322 case BCMA_CHIP_ID_BCM4749: 323 case BCMA_CHIP_ID_BCM5357: 324 case BCMA_CHIP_ID_BCM53572: 325 case BCMA_CHIP_ID_BCM6362: 326 /* always 20Mhz */ 327 return 20000 * 1000; 328 case BCMA_CHIP_ID_BCM4706: 329 case BCMA_CHIP_ID_BCM5356: 330 /* always 25Mhz */ 331 return 25000 * 1000; 332 case BCMA_CHIP_ID_BCM43460: 333 case BCMA_CHIP_ID_BCM4352: 334 case BCMA_CHIP_ID_BCM4360: 335 if (cc->status & BCMA_CC_CHIPST_4360_XTAL_40MZ) 336 return 40000 * 1000; 337 else 338 return 20000 * 1000; 339 default: 340 bcma_warn(bus, "No ALP clock specified for %04X device, pmu rev. %d, using default %d Hz\n", 341 bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_ALP_CLOCK); 342 } 343 return BCMA_CC_PMU_ALP_CLOCK; 344 } 345 346 /* Find the output of the "m" pll divider given pll controls that start with 347 * pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc. 348 */ 349 static u32 bcma_pmu_pll_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m) 350 { 351 u32 tmp, div, ndiv, p1, p2, fc; 352 struct bcma_bus *bus = cc->core->bus; 353 354 BUG_ON((pll0 & 3) || (pll0 > BCMA_CC_PMU4716_MAINPLL_PLL0)); 355 356 BUG_ON(!m || m > 4); 357 358 if (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 || 359 bus->chipinfo.id == BCMA_CHIP_ID_BCM4749) { 360 /* Detect failure in clock setting */ 361 tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT); 362 if (tmp & 0x40000) 363 return 133 * 1000000; 364 } 365 366 tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_P1P2_OFF); 367 p1 = (tmp & BCMA_CC_PPL_P1_MASK) >> BCMA_CC_PPL_P1_SHIFT; 368 p2 = (tmp & BCMA_CC_PPL_P2_MASK) >> BCMA_CC_PPL_P2_SHIFT; 369 370 tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_M14_OFF); 371 div = (tmp >> ((m - 1) * BCMA_CC_PPL_MDIV_WIDTH)) & 372 BCMA_CC_PPL_MDIV_MASK; 373 374 tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_NM5_OFF); 375 ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT; 376 377 /* Do calculation in Mhz */ 378 fc = bcma_pmu_get_alp_clock(cc) / 1000000; 379 fc = (p1 * ndiv * fc) / p2; 380 381 /* Return clock in Hertz */ 382 return (fc / div) * 1000000; 383 } 384 385 static u32 bcma_pmu_pll_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m) 386 { 387 u32 tmp, ndiv, p1div, p2div; 388 u32 clock; 389 390 BUG_ON(!m || m > 4); 391 392 /* Get N, P1 and P2 dividers to determine CPU clock */ 393 tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PMU6_4706_PROCPLL_OFF); 394 ndiv = (tmp & BCMA_CC_PMU6_4706_PROC_NDIV_INT_MASK) 395 >> BCMA_CC_PMU6_4706_PROC_NDIV_INT_SHIFT; 396 p1div = (tmp & BCMA_CC_PMU6_4706_PROC_P1DIV_MASK) 397 >> BCMA_CC_PMU6_4706_PROC_P1DIV_SHIFT; 398 p2div = (tmp & BCMA_CC_PMU6_4706_PROC_P2DIV_MASK) 399 >> BCMA_CC_PMU6_4706_PROC_P2DIV_SHIFT; 400 401 tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT); 402 if (tmp & BCMA_CC_CHIPST_4706_PKG_OPTION) 403 /* Low cost bonding: Fixed reference clock 25MHz and m = 4 */ 404 clock = (25000000 / 4) * ndiv * p2div / p1div; 405 else 406 /* Fixed reference clock 25MHz and m = 2 */ 407 clock = (25000000 / 2) * ndiv * p2div / p1div; 408 409 if (m == BCMA_CC_PMU5_MAINPLL_SSB) 410 clock = clock / 4; 411 412 return clock; 413 } 414 415 /* query bus clock frequency for PMU-enabled chipcommon */ 416 u32 bcma_pmu_get_bus_clock(struct bcma_drv_cc *cc) 417 { 418 struct bcma_bus *bus = cc->core->bus; 419 420 switch (bus->chipinfo.id) { 421 case BCMA_CHIP_ID_BCM4716: 422 case BCMA_CHIP_ID_BCM4748: 423 case BCMA_CHIP_ID_BCM47162: 424 return bcma_pmu_pll_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0, 425 BCMA_CC_PMU5_MAINPLL_SSB); 426 case BCMA_CHIP_ID_BCM5356: 427 return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0, 428 BCMA_CC_PMU5_MAINPLL_SSB); 429 case BCMA_CHIP_ID_BCM5357: 430 case BCMA_CHIP_ID_BCM4749: 431 return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0, 432 BCMA_CC_PMU5_MAINPLL_SSB); 433 case BCMA_CHIP_ID_BCM4706: 434 return bcma_pmu_pll_clock_bcm4706(cc, 435 BCMA_CC_PMU4706_MAINPLL_PLL0, 436 BCMA_CC_PMU5_MAINPLL_SSB); 437 case BCMA_CHIP_ID_BCM53572: 438 return 75000000; 439 default: 440 bcma_warn(bus, "No bus clock specified for %04X device, pmu rev. %d, using default %d Hz\n", 441 bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_HT_CLOCK); 442 } 443 return BCMA_CC_PMU_HT_CLOCK; 444 } 445 EXPORT_SYMBOL_GPL(bcma_pmu_get_bus_clock); 446 447 /* query cpu clock frequency for PMU-enabled chipcommon */ 448 u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc) 449 { 450 struct bcma_bus *bus = cc->core->bus; 451 452 if (bus->chipinfo.id == BCMA_CHIP_ID_BCM53572) 453 return 300000000; 454 455 /* New PMUs can have different clock for bus and CPU */ 456 if (cc->pmu.rev >= 5) { 457 u32 pll; 458 switch (bus->chipinfo.id) { 459 case BCMA_CHIP_ID_BCM4706: 460 return bcma_pmu_pll_clock_bcm4706(cc, 461 BCMA_CC_PMU4706_MAINPLL_PLL0, 462 BCMA_CC_PMU5_MAINPLL_CPU); 463 case BCMA_CHIP_ID_BCM5356: 464 pll = BCMA_CC_PMU5356_MAINPLL_PLL0; 465 break; 466 case BCMA_CHIP_ID_BCM5357: 467 case BCMA_CHIP_ID_BCM4749: 468 pll = BCMA_CC_PMU5357_MAINPLL_PLL0; 469 break; 470 default: 471 pll = BCMA_CC_PMU4716_MAINPLL_PLL0; 472 break; 473 } 474 475 return bcma_pmu_pll_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU); 476 } 477 478 /* On old PMUs CPU has the same clock as the bus */ 479 return bcma_pmu_get_bus_clock(cc); 480 } 481 482 static void bcma_pmu_spuravoid_pll_write(struct bcma_drv_cc *cc, u32 offset, 483 u32 value) 484 { 485 bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset); 486 bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, value); 487 } 488 489 void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid) 490 { 491 u32 tmp = 0; 492 u8 phypll_offset = 0; 493 u8 bcm5357_bcm43236_p1div[] = {0x1, 0x5, 0x5}; 494 u8 bcm5357_bcm43236_ndiv[] = {0x30, 0xf6, 0xfc}; 495 struct bcma_bus *bus = cc->core->bus; 496 497 switch (bus->chipinfo.id) { 498 case BCMA_CHIP_ID_BCM5357: 499 case BCMA_CHIP_ID_BCM4749: 500 case BCMA_CHIP_ID_BCM53572: 501 /* 5357[ab]0, 43236[ab]0, and 6362b0 */ 502 503 /* BCM5357 needs to touch PLL1_PLLCTL[02], 504 so offset PLL0_PLLCTL[02] by 6 */ 505 phypll_offset = (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 || 506 bus->chipinfo.id == BCMA_CHIP_ID_BCM4749 || 507 bus->chipinfo.id == BCMA_CHIP_ID_BCM53572) ? 6 : 0; 508 509 /* RMW only the P1 divider */ 510 bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, 511 BCMA_CC_PMU_PLL_CTL0 + phypll_offset); 512 tmp = bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_DATA); 513 tmp &= (~(BCMA_CC_PMU1_PLL0_PC0_P1DIV_MASK)); 514 tmp |= (bcm5357_bcm43236_p1div[spuravoid] << BCMA_CC_PMU1_PLL0_PC0_P1DIV_SHIFT); 515 bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, tmp); 516 517 /* RMW only the int feedback divider */ 518 bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, 519 BCMA_CC_PMU_PLL_CTL2 + phypll_offset); 520 tmp = bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_DATA); 521 tmp &= ~(BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_MASK); 522 tmp |= (bcm5357_bcm43236_ndiv[spuravoid]) << BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT; 523 bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, tmp); 524 525 tmp = BCMA_CC_PMU_CTL_PLL_UPD; 526 break; 527 528 case BCMA_CHIP_ID_BCM4331: 529 case BCMA_CHIP_ID_BCM43431: 530 if (spuravoid == 2) { 531 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0, 532 0x11500014); 533 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2, 534 0x0FC00a08); 535 } else if (spuravoid == 1) { 536 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0, 537 0x11500014); 538 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2, 539 0x0F600a08); 540 } else { 541 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0, 542 0x11100014); 543 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2, 544 0x03000a08); 545 } 546 tmp = BCMA_CC_PMU_CTL_PLL_UPD; 547 break; 548 549 case BCMA_CHIP_ID_BCM43224: 550 case BCMA_CHIP_ID_BCM43225: 551 case BCMA_CHIP_ID_BCM43421: 552 if (spuravoid == 1) { 553 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0, 554 0x11500010); 555 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1, 556 0x000C0C06); 557 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2, 558 0x0F600a08); 559 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3, 560 0x00000000); 561 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4, 562 0x2001E920); 563 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5, 564 0x88888815); 565 } else { 566 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0, 567 0x11100010); 568 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1, 569 0x000c0c06); 570 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2, 571 0x03000a08); 572 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3, 573 0x00000000); 574 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4, 575 0x200005c0); 576 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5, 577 0x88888815); 578 } 579 tmp = BCMA_CC_PMU_CTL_PLL_UPD; 580 break; 581 582 case BCMA_CHIP_ID_BCM4716: 583 case BCMA_CHIP_ID_BCM4748: 584 case BCMA_CHIP_ID_BCM47162: 585 if (spuravoid == 1) { 586 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0, 587 0x11500060); 588 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1, 589 0x080C0C06); 590 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2, 591 0x0F600000); 592 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3, 593 0x00000000); 594 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4, 595 0x2001E924); 596 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5, 597 0x88888815); 598 } else { 599 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0, 600 0x11100060); 601 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1, 602 0x080c0c06); 603 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2, 604 0x03000000); 605 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3, 606 0x00000000); 607 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4, 608 0x200005c0); 609 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5, 610 0x88888815); 611 } 612 613 tmp = BCMA_CC_PMU_CTL_PLL_UPD | BCMA_CC_PMU_CTL_NOILPONW; 614 break; 615 616 case BCMA_CHIP_ID_BCM43131: 617 case BCMA_CHIP_ID_BCM43217: 618 case BCMA_CHIP_ID_BCM43227: 619 case BCMA_CHIP_ID_BCM43228: 620 case BCMA_CHIP_ID_BCM43428: 621 /* LCNXN */ 622 /* PLL Settings for spur avoidance on/off mode, 623 no on2 support for 43228A0 */ 624 if (spuravoid == 1) { 625 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0, 626 0x01100014); 627 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1, 628 0x040C0C06); 629 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2, 630 0x03140A08); 631 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3, 632 0x00333333); 633 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4, 634 0x202C2820); 635 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5, 636 0x88888815); 637 } else { 638 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0, 639 0x11100014); 640 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1, 641 0x040c0c06); 642 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2, 643 0x03000a08); 644 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3, 645 0x00000000); 646 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4, 647 0x200005c0); 648 bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5, 649 0x88888815); 650 } 651 tmp = BCMA_CC_PMU_CTL_PLL_UPD; 652 break; 653 default: 654 bcma_err(bus, "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n", 655 bus->chipinfo.id); 656 break; 657 } 658 659 tmp |= bcma_pmu_read32(cc, BCMA_CC_PMU_CTL); 660 bcma_pmu_write32(cc, BCMA_CC_PMU_CTL, tmp); 661 } 662 EXPORT_SYMBOL_GPL(bcma_pmu_spuravoid_pllupdate); 663