drivers/bcma/driver_chipcommon_pmu.c

   1 /*
   2  * Broadcom specific AMBA
   3  * ChipCommon Power Management Unit driver
   4  *
   5  * Copyright 2009, Michael Buesch <[email protected]>
   6  * Copyright 2007, 2011, Broadcom Corporation
   7  * Copyright 2011, 2012, Hauke Mehrtens <[email protected]>
   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 static 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
  23 void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value)
  24 {
  25         bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
  26         bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
  27         bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, value);
  28 }
  29 EXPORT_SYMBOL_GPL(bcma_chipco_pll_write);
  30
  31 void bcma_chipco_pll_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
  32                              u32 set)
  33 {
  34         bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
  35         bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
  36         bcma_cc_maskset32(cc, BCMA_CC_PLLCTL_DATA, mask, set);
  37 }
  38 EXPORT_SYMBOL_GPL(bcma_chipco_pll_maskset);
  39
  40 void bcma_chipco_chipctl_maskset(struct bcma_drv_cc *cc,
  41                                  u32 offset, u32 mask, u32 set)
  42 {
  43         bcma_cc_write32(cc, BCMA_CC_CHIPCTL_ADDR, offset);
  44         bcma_cc_read32(cc, BCMA_CC_CHIPCTL_ADDR);
  45         bcma_cc_maskset32(cc, BCMA_CC_CHIPCTL_DATA, mask, set);
  46 }
  47 EXPORT_SYMBOL_GPL(bcma_chipco_chipctl_maskset);
  48
  49 void bcma_chipco_regctl_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
  50                                 u32 set)
  51 {
  52         bcma_cc_write32(cc, BCMA_CC_REGCTL_ADDR, offset);
  53         bcma_cc_read32(cc, BCMA_CC_REGCTL_ADDR);
  54         bcma_cc_maskset32(cc, BCMA_CC_REGCTL_DATA, mask, set);
  55 }
  56 EXPORT_SYMBOL_GPL(bcma_chipco_regctl_maskset);
  57
  58 static void bcma_pmu_resources_init(struct bcma_drv_cc *cc)
  59 {
  60         struct bcma_bus *bus = cc->core->bus;
  61         u32 min_msk = 0, max_msk = 0;
  62
  63         switch (bus->chipinfo.id) {
  64         case BCMA_CHIP_ID_BCM4313:
  65                 min_msk = 0x200D;
  66                 max_msk = 0xFFFF;
  67                 break;
  68         default:
  69                 bcma_debug(bus, "PMU resource config unknown or not needed for device 0x%04X\n",
  70                            bus->chipinfo.id);
  71         }
  72
  73         /* Set the resource masks. */
  74         if (min_msk)
  75                 bcma_cc_write32(cc, BCMA_CC_PMU_MINRES_MSK, min_msk);
  76         if (max_msk)
  77                 bcma_cc_write32(cc, BCMA_CC_PMU_MAXRES_MSK, max_msk);
  78
  79         /*
  80          * Add some delay; allow resources to come up and settle.
  81          * Delay is required for SoC (early init).
  82          */
  83         mdelay(2);
  84 }
  85
  86 /* Disable to allow reading SPROM. Don't know the adventages of enabling it. */
  87 void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable)
  88 {
  89         struct bcma_bus *bus = cc->core->bus;
  90         u32 val;
  91
  92         val = bcma_cc_read32(cc, BCMA_CC_CHIPCTL);
  93         if (enable) {
  94                 val |= BCMA_CHIPCTL_4331_EXTPA_EN;
  95                 if (bus->chipinfo.pkg == 9 || bus->chipinfo.pkg == 11)
  96                         val |= BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
  97                 else if (bus->chipinfo.rev > 0)
  98                         val |= BCMA_CHIPCTL_4331_EXTPA_EN2;
  99         } else {
 100                 val &= ~BCMA_CHIPCTL_4331_EXTPA_EN;
 101                 val &= ~BCMA_CHIPCTL_4331_EXTPA_EN2;
 102                 val &= ~BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
 103         }
 104         bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val);
 105 }
 106
 107 static void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
 108 {
 109         struct bcma_bus *bus = cc->core->bus;
 110
 111         switch (bus->chipinfo.id) {
 112         case BCMA_CHIP_ID_BCM4313:
 113                 /* enable 12 mA drive strenth for 4313 and set chipControl
 114                    register bit 1 */
 115                 bcma_chipco_chipctl_maskset(cc, 0,
 116                                             ~BCMA_CCTRL_4313_12MA_LED_DRIVE,
 117                                             BCMA_CCTRL_4313_12MA_LED_DRIVE);
 118                 break;
 119         case BCMA_CHIP_ID_BCM4331:
 120         case BCMA_CHIP_ID_BCM43431:
 121                 /* Ext PA lines must be enabled for tx on BCM4331 */
 122                 bcma_chipco_bcm4331_ext_pa_lines_ctl(cc, true);
 123                 break;
 124         case BCMA_CHIP_ID_BCM43224:
 125         case BCMA_CHIP_ID_BCM43421:
 126                 /* enable 12 mA drive strenth for 43224 and set chipControl
 127                    register bit 15 */
 128                 if (bus->chipinfo.rev == 0) {
 129                         bcma_cc_maskset32(cc, BCMA_CC_CHIPCTL,
 130                                           ~BCMA_CCTRL_43224_GPIO_TOGGLE,
 131                                           BCMA_CCTRL_43224_GPIO_TOGGLE);
 132                         bcma_chipco_chipctl_maskset(cc, 0,
 133                                                     ~BCMA_CCTRL_43224A0_12MA_LED_DRIVE,
 134                                                     BCMA_CCTRL_43224A0_12MA_LED_DRIVE);
 135                 } else {
 136                         bcma_chipco_chipctl_maskset(cc, 0,
 137                                                     ~BCMA_CCTRL_43224B0_12MA_LED_DRIVE,
 138                                                     BCMA_CCTRL_43224B0_12MA_LED_DRIVE);
 139                 }
 140                 break;
 141         default:
 142                 bcma_debug(bus, "Workarounds unknown or not needed for device 0x%04X\n",
 143                            bus->chipinfo.id);
 144         }
 145 }
 146
 147 void bcma_pmu_early_init(struct bcma_drv_cc *cc)
 148 {
 149         u32 pmucap;
 150
 151         pmucap = bcma_cc_read32(cc, BCMA_CC_PMU_CAP);
 152         cc->pmu.rev = (pmucap & BCMA_CC_PMU_CAP_REVISION);
 153
 154         bcma_debug(cc->core->bus, "Found rev %u PMU (capabilities 0x%08X)\n",
 155                    cc->pmu.rev, pmucap);
 156 }
 157
 158 void bcma_pmu_init(struct bcma_drv_cc *cc)
 159 {
 160         if (cc->pmu.rev == 1)
 161                 bcma_cc_mask32(cc, BCMA_CC_PMU_CTL,
 162                               ~BCMA_CC_PMU_CTL_NOILPONW);
 163         else
 164                 bcma_cc_set32(cc, BCMA_CC_PMU_CTL,
 165                              BCMA_CC_PMU_CTL_NOILPONW);
 166
 167         bcma_pmu_resources_init(cc);
 168         bcma_pmu_workarounds(cc);
 169 }
 170
 171 u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc)
 172 {
 173         struct bcma_bus *bus = cc->core->bus;
 174
 175         switch (bus->chipinfo.id) {
 176         case BCMA_CHIP_ID_BCM4716:
 177         case BCMA_CHIP_ID_BCM4748:
 178         case BCMA_CHIP_ID_BCM47162:
 179         case BCMA_CHIP_ID_BCM4313:
 180         case BCMA_CHIP_ID_BCM5357:
 181         case BCMA_CHIP_ID_BCM4749:
 182         case BCMA_CHIP_ID_BCM53572:
 183                 /* always 20Mhz */
 184                 return 20000 * 1000;
 185         case BCMA_CHIP_ID_BCM5356:
 186         case BCMA_CHIP_ID_BCM4706:
 187                 /* always 25Mhz */
 188                 return 25000 * 1000;
 189         default:
 190                 bcma_warn(bus, "No ALP clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
 191                           bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_ALP_CLOCK);
 192         }
 193         return BCMA_CC_PMU_ALP_CLOCK;
 194 }
 195
 196 /* Find the output of the "m" pll divider given pll controls that start with
 197  * pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc.
 198  */
 199 static u32 bcma_pmu_pll_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m)
 200 {
 201         u32 tmp, div, ndiv, p1, p2, fc;
 202         struct bcma_bus *bus = cc->core->bus;
 203
 204         BUG_ON((pll0 & 3) || (pll0 > BCMA_CC_PMU4716_MAINPLL_PLL0));
 205
 206         BUG_ON(!m || m > 4);
 207
 208         if (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
 209             bus->chipinfo.id == BCMA_CHIP_ID_BCM4749) {
 210                 /* Detect failure in clock setting */
 211                 tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
 212                 if (tmp & 0x40000)
 213                         return 133 * 1000000;
 214         }
 215
 216         tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_P1P2_OFF);
 217         p1 = (tmp & BCMA_CC_PPL_P1_MASK) >> BCMA_CC_PPL_P1_SHIFT;
 218         p2 = (tmp & BCMA_CC_PPL_P2_MASK) >> BCMA_CC_PPL_P2_SHIFT;
 219
 220         tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_M14_OFF);
 221         div = (tmp >> ((m - 1) * BCMA_CC_PPL_MDIV_WIDTH)) &
 222                 BCMA_CC_PPL_MDIV_MASK;
 223
 224         tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_NM5_OFF);
 225         ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT;
 226
 227         /* Do calculation in Mhz */
 228         fc = bcma_pmu_get_alp_clock(cc) / 1000000;
 229         fc = (p1 * ndiv * fc) / p2;
 230
 231         /* Return clock in Hertz */
 232         return (fc / div) * 1000000;
 233 }
 234
 235 static u32 bcma_pmu_pll_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m)
 236 {
 237         u32 tmp, ndiv, p1div, p2div;
 238         u32 clock;
 239
 240         BUG_ON(!m || m > 4);
 241
 242         /* Get N, P1 and P2 dividers to determine CPU clock */
 243         tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PMU6_4706_PROCPLL_OFF);
 244         ndiv = (tmp & BCMA_CC_PMU6_4706_PROC_NDIV_INT_MASK)
 245                 >> BCMA_CC_PMU6_4706_PROC_NDIV_INT_SHIFT;
 246         p1div = (tmp & BCMA_CC_PMU6_4706_PROC_P1DIV_MASK)
 247                 >> BCMA_CC_PMU6_4706_PROC_P1DIV_SHIFT;
 248         p2div = (tmp & BCMA_CC_PMU6_4706_PROC_P2DIV_MASK)
 249                 >> BCMA_CC_PMU6_4706_PROC_P2DIV_SHIFT;
 250
 251         tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
 252         if (tmp & BCMA_CC_CHIPST_4706_PKG_OPTION)
 253                 /* Low cost bonding: Fixed reference clock 25MHz and m = 4 */
 254                 clock = (25000000 / 4) * ndiv * p2div / p1div;
 255         else
 256                 /* Fixed reference clock 25MHz and m = 2 */
 257                 clock = (25000000 / 2) * ndiv * p2div / p1div;
 258
 259         if (m == BCMA_CC_PMU5_MAINPLL_SSB)
 260                 clock = clock / 4;
 261
 262         return clock;
 263 }
 264
 265 /* query bus clock frequency for PMU-enabled chipcommon */
 266 static u32 bcma_pmu_get_bus_clock(struct bcma_drv_cc *cc)
 267 {
 268         struct bcma_bus *bus = cc->core->bus;
 269
 270         switch (bus->chipinfo.id) {
 271         case BCMA_CHIP_ID_BCM4716:
 272         case BCMA_CHIP_ID_BCM4748:
 273         case BCMA_CHIP_ID_BCM47162:
 274                 return bcma_pmu_pll_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0,
 275                                           BCMA_CC_PMU5_MAINPLL_SSB);
 276         case BCMA_CHIP_ID_BCM5356:
 277                 return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0,
 278                                           BCMA_CC_PMU5_MAINPLL_SSB);
 279         case BCMA_CHIP_ID_BCM5357:
 280         case BCMA_CHIP_ID_BCM4749:
 281                 return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0,
 282                                           BCMA_CC_PMU5_MAINPLL_SSB);
 283         case BCMA_CHIP_ID_BCM4706:
 284                 return bcma_pmu_pll_clock_bcm4706(cc,
 285                                                   BCMA_CC_PMU4706_MAINPLL_PLL0,
 286                                                   BCMA_CC_PMU5_MAINPLL_SSB);
 287         case BCMA_CHIP_ID_BCM53572:
 288                 return 75000000;
 289         default:
 290                 bcma_warn(bus, "No bus clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
 291                           bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_HT_CLOCK);
 292         }
 293         return BCMA_CC_PMU_HT_CLOCK;
 294 }
 295
 296 /* query cpu clock frequency for PMU-enabled chipcommon */
 297 u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc)
 298 {
 299         struct bcma_bus *bus = cc->core->bus;
 300
 301         if (bus->chipinfo.id == BCMA_CHIP_ID_BCM53572)
 302                 return 300000000;
 303
 304         /* New PMUs can have different clock for bus and CPU */
 305         if (cc->pmu.rev >= 5) {
 306                 u32 pll;
 307                 switch (bus->chipinfo.id) {
 308                 case BCMA_CHIP_ID_BCM4706:
 309                         return bcma_pmu_pll_clock_bcm4706(cc,
 310                                                 BCMA_CC_PMU4706_MAINPLL_PLL0,
 311                                                 BCMA_CC_PMU5_MAINPLL_CPU);
 312                 case BCMA_CHIP_ID_BCM5356:
 313                         pll = BCMA_CC_PMU5356_MAINPLL_PLL0;
 314                         break;
 315                 case BCMA_CHIP_ID_BCM5357:
 316                 case BCMA_CHIP_ID_BCM4749:
 317                         pll = BCMA_CC_PMU5357_MAINPLL_PLL0;
 318                         break;
 319                 default:
 320                         pll = BCMA_CC_PMU4716_MAINPLL_PLL0;
 321                         break;
 322                 }
 323
 324                 return bcma_pmu_pll_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU);
 325         }
 326
 327         /* On old PMUs CPU has the same clock as the bus */
 328         return bcma_pmu_get_bus_clock(cc);
 329 }
 330
 331 static void bcma_pmu_spuravoid_pll_write(struct bcma_drv_cc *cc, u32 offset,
 332                                          u32 value)
 333 {
 334         bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
 335         bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, value);
 336 }
 337
 338 void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid)
 339 {
 340         u32 tmp = 0;
 341         u8 phypll_offset = 0;
 342         u8 bcm5357_bcm43236_p1div[] = {0x1, 0x5, 0x5};
 343         u8 bcm5357_bcm43236_ndiv[] = {0x30, 0xf6, 0xfc};
 344         struct bcma_bus *bus = cc->core->bus;
 345
 346         switch (bus->chipinfo.id) {
 347         case BCMA_CHIP_ID_BCM5357:
 348         case BCMA_CHIP_ID_BCM4749:
 349         case BCMA_CHIP_ID_BCM53572:
 350                 /* 5357[ab]0, 43236[ab]0, and 6362b0 */
 351
 352                 /* BCM5357 needs to touch PLL1_PLLCTL[02],
 353                    so offset PLL0_PLLCTL[02] by 6 */
 354                 phypll_offset = (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
 355                        bus->chipinfo.id == BCMA_CHIP_ID_BCM4749 ||
 356                        bus->chipinfo.id == BCMA_CHIP_ID_BCM53572) ? 6 : 0;
 357
 358                 /* RMW only the P1 divider */
 359                 bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR,
 360                                 BCMA_CC_PMU_PLL_CTL0 + phypll_offset);
 361                 tmp = bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA);
 362                 tmp &= (~(BCMA_CC_PMU1_PLL0_PC0_P1DIV_MASK));
 363                 tmp |= (bcm5357_bcm43236_p1div[spuravoid] << BCMA_CC_PMU1_PLL0_PC0_P1DIV_SHIFT);
 364                 bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, tmp);
 365
 366                 /* RMW only the int feedback divider */
 367                 bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR,
 368                                 BCMA_CC_PMU_PLL_CTL2 + phypll_offset);
 369                 tmp = bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA);
 370                 tmp &= ~(BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_MASK);
 371                 tmp |= (bcm5357_bcm43236_ndiv[spuravoid]) << BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT;
 372                 bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, tmp);
 373
 374                 tmp = 1 << 10;
 375                 break;
 376
 377         case BCMA_CHIP_ID_BCM4331:
 378         case BCMA_CHIP_ID_BCM43431:
 379                 if (spuravoid == 2) {
 380                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
 381                                                      0x11500014);
 382                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
 383                                                      0x0FC00a08);
 384                 } else if (spuravoid == 1) {
 385                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
 386                                                      0x11500014);
 387                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
 388                                                      0x0F600a08);
 389                 } else {
 390                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
 391                                                      0x11100014);
 392                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
 393                                                      0x03000a08);
 394                 }
 395                 tmp = 1 << 10;
 396                 break;
 397
 398         case BCMA_CHIP_ID_BCM43224:
 399         case BCMA_CHIP_ID_BCM43225:
 400         case BCMA_CHIP_ID_BCM43421:
 401                 if (spuravoid == 1) {
 402                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
 403                                                      0x11500010);
 404                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
 405                                                      0x000C0C06);
 406                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
 407                                                      0x0F600a08);
 408                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
 409                                                      0x00000000);
 410                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
 411                                                      0x2001E920);
 412                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
 413                                                      0x88888815);
 414                 } else {
 415                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
 416                                                      0x11100010);
 417                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
 418                                                      0x000c0c06);
 419                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
 420                                                      0x03000a08);
 421                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
 422                                                      0x00000000);
 423                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
 424                                                      0x200005c0);
 425                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
 426                                                      0x88888815);
 427                 }
 428                 tmp = 1 << 10;
 429                 break;
 430
 431         case BCMA_CHIP_ID_BCM4716:
 432         case BCMA_CHIP_ID_BCM4748:
 433         case BCMA_CHIP_ID_BCM47162:
 434                 if (spuravoid == 1) {
 435                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
 436                                                      0x11500060);
 437                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
 438                                                      0x080C0C06);
 439                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
 440                                                      0x0F600000);
 441                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
 442                                                      0x00000000);
 443                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
 444                                                      0x2001E924);
 445                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
 446                                                      0x88888815);
 447                 } else {
 448                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
 449                                                      0x11100060);
 450                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
 451                                                      0x080c0c06);
 452                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
 453                                                      0x03000000);
 454                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
 455                                                      0x00000000);
 456                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
 457                                                      0x200005c0);
 458                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
 459                                                      0x88888815);
 460                 }
 461
 462                 tmp = 3 << 9;
 463                 break;
 464
 465         case BCMA_CHIP_ID_BCM43227:
 466         case BCMA_CHIP_ID_BCM43228:
 467         case BCMA_CHIP_ID_BCM43428:
 468                 /* LCNXN */
 469                 /* PLL Settings for spur avoidance on/off mode,
 470                    no on2 support for 43228A0 */
 471                 if (spuravoid == 1) {
 472                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
 473                                                      0x01100014);
 474                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
 475                                                      0x040C0C06);
 476                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
 477                                                      0x03140A08);
 478                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
 479                                                      0x00333333);
 480                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
 481                                                      0x202C2820);
 482                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
 483                                                      0x88888815);
 484                 } else {
 485                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
 486                                                      0x11100014);
 487                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
 488                                                      0x040c0c06);
 489                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
 490                                                      0x03000a08);
 491                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
 492                                                      0x00000000);
 493                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
 494                                                      0x200005c0);
 495                         bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
 496                                                      0x88888815);
 497                 }
 498                 tmp = 1 << 10;
 499                 break;
 500         default:
 501                 bcma_err(bus, "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n",
 502                          bus->chipinfo.id);
 503                 break;
 504         }
 505
 506         tmp |= bcma_cc_read32(cc, BCMA_CC_PMU_CTL);
 507         bcma_cc_write32(cc, BCMA_CC_PMU_CTL, tmp);
 508 }
 509 EXPORT_SYMBOL_GPL(bcma_pmu_spuravoid_pllupdate);