driver_chipcommon_pmu.c 19 KB

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  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. #include "bcma_private.h"
  12. #include <linux/export.h>
  13. #include <linux/bcma/bcma.h>
  14. u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset)
  15. {
  16. bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
  17. bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR);
  18. return bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_DATA);
  19. }
  20. EXPORT_SYMBOL_GPL(bcma_chipco_pll_read);
  21. void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value)
  22. {
  23. bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
  24. bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR);
  25. bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, value);
  26. }
  27. EXPORT_SYMBOL_GPL(bcma_chipco_pll_write);
  28. void bcma_chipco_pll_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
  29. u32 set)
  30. {
  31. bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
  32. bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR);
  33. bcma_pmu_maskset32(cc, BCMA_CC_PMU_PLLCTL_DATA, mask, set);
  34. }
  35. EXPORT_SYMBOL_GPL(bcma_chipco_pll_maskset);
  36. void bcma_chipco_chipctl_maskset(struct bcma_drv_cc *cc,
  37. u32 offset, u32 mask, u32 set)
  38. {
  39. bcma_pmu_write32(cc, BCMA_CC_PMU_CHIPCTL_ADDR, offset);
  40. bcma_pmu_read32(cc, BCMA_CC_PMU_CHIPCTL_ADDR);
  41. bcma_pmu_maskset32(cc, BCMA_CC_PMU_CHIPCTL_DATA, mask, set);
  42. }
  43. EXPORT_SYMBOL_GPL(bcma_chipco_chipctl_maskset);
  44. void bcma_chipco_regctl_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
  45. u32 set)
  46. {
  47. bcma_pmu_write32(cc, BCMA_CC_PMU_REGCTL_ADDR, offset);
  48. bcma_pmu_read32(cc, BCMA_CC_PMU_REGCTL_ADDR);
  49. bcma_pmu_maskset32(cc, BCMA_CC_PMU_REGCTL_DATA, mask, set);
  50. }
  51. EXPORT_SYMBOL_GPL(bcma_chipco_regctl_maskset);
  52. static u32 bcma_pmu_xtalfreq(struct bcma_drv_cc *cc)
  53. {
  54. u32 ilp_ctl, alp_hz;
  55. if (!(bcma_pmu_read32(cc, BCMA_CC_PMU_STAT) &
  56. BCMA_CC_PMU_STAT_EXT_LPO_AVAIL))
  57. return 0;
  58. bcma_pmu_write32(cc, BCMA_CC_PMU_XTAL_FREQ,
  59. BIT(BCMA_CC_PMU_XTAL_FREQ_MEASURE_SHIFT));
  60. usleep_range(1000, 2000);
  61. ilp_ctl = bcma_pmu_read32(cc, BCMA_CC_PMU_XTAL_FREQ);
  62. ilp_ctl &= BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK;
  63. bcma_pmu_write32(cc, BCMA_CC_PMU_XTAL_FREQ, 0);
  64. alp_hz = ilp_ctl * 32768 / 4;
  65. return (alp_hz + 50000) / 100000 * 100;
  66. }
  67. static void bcma_pmu2_pll_init0(struct bcma_drv_cc *cc, u32 xtalfreq)
  68. {
  69. struct bcma_bus *bus = cc->core->bus;
  70. u32 freq_tgt_target = 0, freq_tgt_current;
  71. u32 pll0, mask;
  72. switch (bus->chipinfo.id) {
  73. case BCMA_CHIP_ID_BCM43142:
  74. /* pmu2_xtaltab0_adfll_485 */
  75. switch (xtalfreq) {
  76. case 12000:
  77. freq_tgt_target = 0x50D52;
  78. break;
  79. case 20000:
  80. freq_tgt_target = 0x307FE;
  81. break;
  82. case 26000:
  83. freq_tgt_target = 0x254EA;
  84. break;
  85. case 37400:
  86. freq_tgt_target = 0x19EF8;
  87. break;
  88. case 52000:
  89. freq_tgt_target = 0x12A75;
  90. break;
  91. }
  92. break;
  93. }
  94. if (!freq_tgt_target) {
  95. bcma_err(bus, "Unknown TGT frequency for xtalfreq %d\n",
  96. xtalfreq);
  97. return;
  98. }
  99. pll0 = bcma_chipco_pll_read(cc, BCMA_CC_PMU15_PLL_PLLCTL0);
  100. freq_tgt_current = (pll0 & BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK) >>
  101. BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
  102. if (freq_tgt_current == freq_tgt_target) {
  103. bcma_debug(bus, "Target TGT frequency already set\n");
  104. return;
  105. }
  106. /* Turn off PLL */
  107. switch (bus->chipinfo.id) {
  108. case BCMA_CHIP_ID_BCM43142:
  109. mask = (u32)~(BCMA_RES_4314_HT_AVAIL |
  110. BCMA_RES_4314_MACPHY_CLK_AVAIL);
  111. bcma_pmu_mask32(cc, BCMA_CC_PMU_MINRES_MSK, mask);
  112. bcma_pmu_mask32(cc, BCMA_CC_PMU_MAXRES_MSK, mask);
  113. bcma_wait_value(cc->core, BCMA_CLKCTLST,
  114. BCMA_CLKCTLST_HAVEHT, 0, 20000);
  115. break;
  116. }
  117. pll0 &= ~BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK;
  118. pll0 |= freq_tgt_target << BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
  119. bcma_chipco_pll_write(cc, BCMA_CC_PMU15_PLL_PLLCTL0, pll0);
  120. /* Flush */
  121. if (cc->pmu.rev >= 2)
  122. bcma_pmu_set32(cc, BCMA_CC_PMU_CTL, BCMA_CC_PMU_CTL_PLL_UPD);
  123. /* TODO: Do we need to update OTP? */
  124. }
  125. static void bcma_pmu_pll_init(struct bcma_drv_cc *cc)
  126. {
  127. struct bcma_bus *bus = cc->core->bus;
  128. u32 xtalfreq = bcma_pmu_xtalfreq(cc);
  129. switch (bus->chipinfo.id) {
  130. case BCMA_CHIP_ID_BCM43142:
  131. if (xtalfreq == 0)
  132. xtalfreq = 20000;
  133. bcma_pmu2_pll_init0(cc, xtalfreq);
  134. break;
  135. }
  136. }
  137. static void bcma_pmu_resources_init(struct bcma_drv_cc *cc)
  138. {
  139. struct bcma_bus *bus = cc->core->bus;
  140. u32 min_msk = 0, max_msk = 0;
  141. switch (bus->chipinfo.id) {
  142. case BCMA_CHIP_ID_BCM4313:
  143. min_msk = 0x200D;
  144. max_msk = 0xFFFF;
  145. break;
  146. case BCMA_CHIP_ID_BCM43142:
  147. min_msk = BCMA_RES_4314_LPLDO_PU |
  148. BCMA_RES_4314_PMU_SLEEP_DIS |
  149. BCMA_RES_4314_PMU_BG_PU |
  150. BCMA_RES_4314_CBUCK_LPOM_PU |
  151. BCMA_RES_4314_CBUCK_PFM_PU |
  152. BCMA_RES_4314_CLDO_PU |
  153. BCMA_RES_4314_LPLDO2_LVM |
  154. BCMA_RES_4314_WL_PMU_PU |
  155. BCMA_RES_4314_LDO3P3_PU |
  156. BCMA_RES_4314_OTP_PU |
  157. BCMA_RES_4314_WL_PWRSW_PU |
  158. BCMA_RES_4314_LQ_AVAIL |
  159. BCMA_RES_4314_LOGIC_RET |
  160. BCMA_RES_4314_MEM_SLEEP |
  161. BCMA_RES_4314_MACPHY_RET |
  162. BCMA_RES_4314_WL_CORE_READY;
  163. max_msk = 0x3FFFFFFF;
  164. break;
  165. default:
  166. bcma_debug(bus, "PMU resource config unknown or not needed for device 0x%04X\n",
  167. bus->chipinfo.id);
  168. }
  169. /* Set the resource masks. */
  170. if (min_msk)
  171. bcma_pmu_write32(cc, BCMA_CC_PMU_MINRES_MSK, min_msk);
  172. if (max_msk)
  173. bcma_pmu_write32(cc, BCMA_CC_PMU_MAXRES_MSK, max_msk);
  174. /*
  175. * Add some delay; allow resources to come up and settle.
  176. * Delay is required for SoC (early init).
  177. */
  178. usleep_range(2000, 2500);
  179. }
  180. /* Disable to allow reading SPROM. Don't know the advantages of enabling it. */
  181. void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable)
  182. {
  183. struct bcma_bus *bus = cc->core->bus;
  184. u32 val;
  185. val = bcma_cc_read32(cc, BCMA_CC_CHIPCTL);
  186. if (enable) {
  187. val |= BCMA_CHIPCTL_4331_EXTPA_EN;
  188. if (bus->chipinfo.pkg == 9 || bus->chipinfo.pkg == 11)
  189. val |= BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
  190. else if (bus->chipinfo.rev > 0)
  191. val |= BCMA_CHIPCTL_4331_EXTPA_EN2;
  192. } else {
  193. val &= ~BCMA_CHIPCTL_4331_EXTPA_EN;
  194. val &= ~BCMA_CHIPCTL_4331_EXTPA_EN2;
  195. val &= ~BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
  196. }
  197. bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val);
  198. }
  199. static void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
  200. {
  201. struct bcma_bus *bus = cc->core->bus;
  202. switch (bus->chipinfo.id) {
  203. case BCMA_CHIP_ID_BCM4313:
  204. /*
  205. * enable 12 mA drive strength for 4313 and set chipControl
  206. * register bit 1
  207. */
  208. bcma_chipco_chipctl_maskset(cc, 0,
  209. ~BCMA_CCTRL_4313_12MA_LED_DRIVE,
  210. BCMA_CCTRL_4313_12MA_LED_DRIVE);
  211. break;
  212. case BCMA_CHIP_ID_BCM4331:
  213. case BCMA_CHIP_ID_BCM43431:
  214. /* Ext PA lines must be enabled for tx on BCM4331 */
  215. bcma_chipco_bcm4331_ext_pa_lines_ctl(cc, true);
  216. break;
  217. case BCMA_CHIP_ID_BCM43224:
  218. case BCMA_CHIP_ID_BCM43421:
  219. /*
  220. * enable 12 mA drive strength for 43224 and set chipControl
  221. * register bit 15
  222. */
  223. if (bus->chipinfo.rev == 0) {
  224. bcma_cc_maskset32(cc, BCMA_CC_CHIPCTL,
  225. ~BCMA_CCTRL_43224_GPIO_TOGGLE,
  226. BCMA_CCTRL_43224_GPIO_TOGGLE);
  227. bcma_chipco_chipctl_maskset(cc, 0,
  228. ~BCMA_CCTRL_43224A0_12MA_LED_DRIVE,
  229. BCMA_CCTRL_43224A0_12MA_LED_DRIVE);
  230. } else {
  231. bcma_chipco_chipctl_maskset(cc, 0,
  232. ~BCMA_CCTRL_43224B0_12MA_LED_DRIVE,
  233. BCMA_CCTRL_43224B0_12MA_LED_DRIVE);
  234. }
  235. break;
  236. default:
  237. bcma_debug(bus, "Workarounds unknown or not needed for device 0x%04X\n",
  238. bus->chipinfo.id);
  239. }
  240. }
  241. void bcma_pmu_early_init(struct bcma_drv_cc *cc)
  242. {
  243. struct bcma_bus *bus = cc->core->bus;
  244. u32 pmucap;
  245. if (cc->core->id.rev >= 35 &&
  246. cc->capabilities_ext & BCMA_CC_CAP_EXT_AOB_PRESENT) {
  247. cc->pmu.core = bcma_find_core(bus, BCMA_CORE_PMU);
  248. if (!cc->pmu.core)
  249. bcma_warn(bus, "Couldn't find expected PMU core");
  250. }
  251. if (!cc->pmu.core)
  252. cc->pmu.core = cc->core;
  253. pmucap = bcma_pmu_read32(cc, BCMA_CC_PMU_CAP);
  254. cc->pmu.rev = (pmucap & BCMA_CC_PMU_CAP_REVISION);
  255. bcma_debug(bus, "Found rev %u PMU (capabilities 0x%08X)\n", cc->pmu.rev,
  256. pmucap);
  257. }
  258. void bcma_pmu_init(struct bcma_drv_cc *cc)
  259. {
  260. if (cc->pmu.rev == 1)
  261. bcma_pmu_mask32(cc, BCMA_CC_PMU_CTL,
  262. ~BCMA_CC_PMU_CTL_NOILPONW);
  263. else
  264. bcma_pmu_set32(cc, BCMA_CC_PMU_CTL,
  265. BCMA_CC_PMU_CTL_NOILPONW);
  266. bcma_pmu_pll_init(cc);
  267. bcma_pmu_resources_init(cc);
  268. bcma_pmu_workarounds(cc);
  269. }
  270. u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc)
  271. {
  272. struct bcma_bus *bus = cc->core->bus;
  273. switch (bus->chipinfo.id) {
  274. case BCMA_CHIP_ID_BCM4313:
  275. case BCMA_CHIP_ID_BCM43224:
  276. case BCMA_CHIP_ID_BCM43225:
  277. case BCMA_CHIP_ID_BCM43227:
  278. case BCMA_CHIP_ID_BCM43228:
  279. case BCMA_CHIP_ID_BCM4331:
  280. case BCMA_CHIP_ID_BCM43421:
  281. case BCMA_CHIP_ID_BCM43428:
  282. case BCMA_CHIP_ID_BCM43431:
  283. case BCMA_CHIP_ID_BCM4716:
  284. case BCMA_CHIP_ID_BCM47162:
  285. case BCMA_CHIP_ID_BCM4748:
  286. case BCMA_CHIP_ID_BCM4749:
  287. case BCMA_CHIP_ID_BCM5357:
  288. case BCMA_CHIP_ID_BCM53572:
  289. case BCMA_CHIP_ID_BCM6362:
  290. /* always 20Mhz */
  291. return 20000 * 1000;
  292. case BCMA_CHIP_ID_BCM4706:
  293. case BCMA_CHIP_ID_BCM5356:
  294. /* always 25Mhz */
  295. return 25000 * 1000;
  296. case BCMA_CHIP_ID_BCM43460:
  297. case BCMA_CHIP_ID_BCM4352:
  298. case BCMA_CHIP_ID_BCM4360:
  299. if (cc->status & BCMA_CC_CHIPST_4360_XTAL_40MZ)
  300. return 40000 * 1000;
  301. else
  302. return 20000 * 1000;
  303. default:
  304. bcma_warn(bus, "No ALP clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
  305. bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_ALP_CLOCK);
  306. }
  307. return BCMA_CC_PMU_ALP_CLOCK;
  308. }
  309. /* Find the output of the "m" pll divider given pll controls that start with
  310. * pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc.
  311. */
  312. static u32 bcma_pmu_pll_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m)
  313. {
  314. u32 tmp, div, ndiv, p1, p2, fc;
  315. struct bcma_bus *bus = cc->core->bus;
  316. BUG_ON((pll0 & 3) || (pll0 > BCMA_CC_PMU4716_MAINPLL_PLL0));
  317. BUG_ON(!m || m > 4);
  318. if (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
  319. bus->chipinfo.id == BCMA_CHIP_ID_BCM4749) {
  320. /* Detect failure in clock setting */
  321. tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
  322. if (tmp & 0x40000)
  323. return 133 * 1000000;
  324. }
  325. tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_P1P2_OFF);
  326. p1 = (tmp & BCMA_CC_PPL_P1_MASK) >> BCMA_CC_PPL_P1_SHIFT;
  327. p2 = (tmp & BCMA_CC_PPL_P2_MASK) >> BCMA_CC_PPL_P2_SHIFT;
  328. tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_M14_OFF);
  329. div = (tmp >> ((m - 1) * BCMA_CC_PPL_MDIV_WIDTH)) &
  330. BCMA_CC_PPL_MDIV_MASK;
  331. tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_NM5_OFF);
  332. ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT;
  333. /* Do calculation in Mhz */
  334. fc = bcma_pmu_get_alp_clock(cc) / 1000000;
  335. fc = (p1 * ndiv * fc) / p2;
  336. /* Return clock in Hertz */
  337. return (fc / div) * 1000000;
  338. }
  339. static u32 bcma_pmu_pll_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m)
  340. {
  341. u32 tmp, ndiv, p1div, p2div;
  342. u32 clock;
  343. BUG_ON(!m || m > 4);
  344. /* Get N, P1 and P2 dividers to determine CPU clock */
  345. tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PMU6_4706_PROCPLL_OFF);
  346. ndiv = (tmp & BCMA_CC_PMU6_4706_PROC_NDIV_INT_MASK)
  347. >> BCMA_CC_PMU6_4706_PROC_NDIV_INT_SHIFT;
  348. p1div = (tmp & BCMA_CC_PMU6_4706_PROC_P1DIV_MASK)
  349. >> BCMA_CC_PMU6_4706_PROC_P1DIV_SHIFT;
  350. p2div = (tmp & BCMA_CC_PMU6_4706_PROC_P2DIV_MASK)
  351. >> BCMA_CC_PMU6_4706_PROC_P2DIV_SHIFT;
  352. tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
  353. if (tmp & BCMA_CC_CHIPST_4706_PKG_OPTION)
  354. /* Low cost bonding: Fixed reference clock 25MHz and m = 4 */
  355. clock = (25000000 / 4) * ndiv * p2div / p1div;
  356. else
  357. /* Fixed reference clock 25MHz and m = 2 */
  358. clock = (25000000 / 2) * ndiv * p2div / p1div;
  359. if (m == BCMA_CC_PMU5_MAINPLL_SSB)
  360. clock = clock / 4;
  361. return clock;
  362. }
  363. /* query bus clock frequency for PMU-enabled chipcommon */
  364. u32 bcma_pmu_get_bus_clock(struct bcma_drv_cc *cc)
  365. {
  366. struct bcma_bus *bus = cc->core->bus;
  367. switch (bus->chipinfo.id) {
  368. case BCMA_CHIP_ID_BCM4716:
  369. case BCMA_CHIP_ID_BCM4748:
  370. case BCMA_CHIP_ID_BCM47162:
  371. return bcma_pmu_pll_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0,
  372. BCMA_CC_PMU5_MAINPLL_SSB);
  373. case BCMA_CHIP_ID_BCM5356:
  374. return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0,
  375. BCMA_CC_PMU5_MAINPLL_SSB);
  376. case BCMA_CHIP_ID_BCM5357:
  377. case BCMA_CHIP_ID_BCM4749:
  378. return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0,
  379. BCMA_CC_PMU5_MAINPLL_SSB);
  380. case BCMA_CHIP_ID_BCM4706:
  381. return bcma_pmu_pll_clock_bcm4706(cc,
  382. BCMA_CC_PMU4706_MAINPLL_PLL0,
  383. BCMA_CC_PMU5_MAINPLL_SSB);
  384. case BCMA_CHIP_ID_BCM53572:
  385. return 75000000;
  386. default:
  387. bcma_warn(bus, "No bus clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
  388. bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_HT_CLOCK);
  389. }
  390. return BCMA_CC_PMU_HT_CLOCK;
  391. }
  392. EXPORT_SYMBOL_GPL(bcma_pmu_get_bus_clock);
  393. /* query cpu clock frequency for PMU-enabled chipcommon */
  394. u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc)
  395. {
  396. struct bcma_bus *bus = cc->core->bus;
  397. if (bus->chipinfo.id == BCMA_CHIP_ID_BCM53572)
  398. return 300000000;
  399. /* New PMUs can have different clock for bus and CPU */
  400. if (cc->pmu.rev >= 5) {
  401. u32 pll;
  402. switch (bus->chipinfo.id) {
  403. case BCMA_CHIP_ID_BCM4706:
  404. return bcma_pmu_pll_clock_bcm4706(cc,
  405. BCMA_CC_PMU4706_MAINPLL_PLL0,
  406. BCMA_CC_PMU5_MAINPLL_CPU);
  407. case BCMA_CHIP_ID_BCM5356:
  408. pll = BCMA_CC_PMU5356_MAINPLL_PLL0;
  409. break;
  410. case BCMA_CHIP_ID_BCM5357:
  411. case BCMA_CHIP_ID_BCM4749:
  412. pll = BCMA_CC_PMU5357_MAINPLL_PLL0;
  413. break;
  414. default:
  415. pll = BCMA_CC_PMU4716_MAINPLL_PLL0;
  416. break;
  417. }
  418. return bcma_pmu_pll_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU);
  419. }
  420. /* On old PMUs CPU has the same clock as the bus */
  421. return bcma_pmu_get_bus_clock(cc);
  422. }
  423. static void bcma_pmu_spuravoid_pll_write(struct bcma_drv_cc *cc, u32 offset,
  424. u32 value)
  425. {
  426. bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
  427. bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, value);
  428. }
  429. void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid)
  430. {
  431. u32 tmp = 0;
  432. u8 phypll_offset = 0;
  433. u8 bcm5357_bcm43236_p1div[] = {0x1, 0x5, 0x5};
  434. u8 bcm5357_bcm43236_ndiv[] = {0x30, 0xf6, 0xfc};
  435. struct bcma_bus *bus = cc->core->bus;
  436. switch (bus->chipinfo.id) {
  437. case BCMA_CHIP_ID_BCM5357:
  438. case BCMA_CHIP_ID_BCM4749:
  439. case BCMA_CHIP_ID_BCM53572:
  440. /* 5357[ab]0, 43236[ab]0, and 6362b0 */
  441. /*
  442. * BCM5357 needs to touch PLL1_PLLCTL[02],
  443. * so offset PLL0_PLLCTL[02] by 6
  444. */
  445. phypll_offset = (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
  446. bus->chipinfo.id == BCMA_CHIP_ID_BCM4749 ||
  447. bus->chipinfo.id == BCMA_CHIP_ID_BCM53572) ? 6 : 0;
  448. /* RMW only the P1 divider */
  449. bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR,
  450. BCMA_CC_PMU_PLL_CTL0 + phypll_offset);
  451. tmp = bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_DATA);
  452. tmp &= (~(BCMA_CC_PMU1_PLL0_PC0_P1DIV_MASK));
  453. tmp |= (bcm5357_bcm43236_p1div[spuravoid] << BCMA_CC_PMU1_PLL0_PC0_P1DIV_SHIFT);
  454. bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, tmp);
  455. /* RMW only the int feedback divider */
  456. bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR,
  457. BCMA_CC_PMU_PLL_CTL2 + phypll_offset);
  458. tmp = bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_DATA);
  459. tmp &= ~(BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_MASK);
  460. tmp |= (bcm5357_bcm43236_ndiv[spuravoid]) << BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT;
  461. bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, tmp);
  462. tmp = BCMA_CC_PMU_CTL_PLL_UPD;
  463. break;
  464. case BCMA_CHIP_ID_BCM4331:
  465. case BCMA_CHIP_ID_BCM43431:
  466. if (spuravoid == 2) {
  467. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  468. 0x11500014);
  469. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  470. 0x0FC00a08);
  471. } else if (spuravoid == 1) {
  472. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  473. 0x11500014);
  474. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  475. 0x0F600a08);
  476. } else {
  477. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  478. 0x11100014);
  479. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  480. 0x03000a08);
  481. }
  482. tmp = BCMA_CC_PMU_CTL_PLL_UPD;
  483. break;
  484. case BCMA_CHIP_ID_BCM43224:
  485. case BCMA_CHIP_ID_BCM43225:
  486. case BCMA_CHIP_ID_BCM43421:
  487. if (spuravoid == 1) {
  488. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  489. 0x11500010);
  490. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  491. 0x000C0C06);
  492. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  493. 0x0F600a08);
  494. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
  495. 0x00000000);
  496. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
  497. 0x2001E920);
  498. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
  499. 0x88888815);
  500. } else {
  501. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  502. 0x11100010);
  503. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  504. 0x000c0c06);
  505. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  506. 0x03000a08);
  507. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
  508. 0x00000000);
  509. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
  510. 0x200005c0);
  511. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
  512. 0x88888815);
  513. }
  514. tmp = BCMA_CC_PMU_CTL_PLL_UPD;
  515. break;
  516. case BCMA_CHIP_ID_BCM4716:
  517. case BCMA_CHIP_ID_BCM4748:
  518. case BCMA_CHIP_ID_BCM47162:
  519. if (spuravoid == 1) {
  520. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  521. 0x11500060);
  522. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  523. 0x080C0C06);
  524. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  525. 0x0F600000);
  526. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
  527. 0x00000000);
  528. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
  529. 0x2001E924);
  530. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
  531. 0x88888815);
  532. } else {
  533. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  534. 0x11100060);
  535. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  536. 0x080c0c06);
  537. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  538. 0x03000000);
  539. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
  540. 0x00000000);
  541. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
  542. 0x200005c0);
  543. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
  544. 0x88888815);
  545. }
  546. tmp = BCMA_CC_PMU_CTL_PLL_UPD | BCMA_CC_PMU_CTL_NOILPONW;
  547. break;
  548. case BCMA_CHIP_ID_BCM43131:
  549. case BCMA_CHIP_ID_BCM43217:
  550. case BCMA_CHIP_ID_BCM43227:
  551. case BCMA_CHIP_ID_BCM43228:
  552. case BCMA_CHIP_ID_BCM43428:
  553. /* LCNXN */
  554. /*
  555. * PLL Settings for spur avoidance on/off mode,
  556. * no on2 support for 43228A0
  557. */
  558. if (spuravoid == 1) {
  559. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  560. 0x01100014);
  561. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  562. 0x040C0C06);
  563. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  564. 0x03140A08);
  565. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
  566. 0x00333333);
  567. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
  568. 0x202C2820);
  569. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
  570. 0x88888815);
  571. } else {
  572. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  573. 0x11100014);
  574. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  575. 0x040c0c06);
  576. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  577. 0x03000a08);
  578. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
  579. 0x00000000);
  580. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
  581. 0x200005c0);
  582. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
  583. 0x88888815);
  584. }
  585. tmp = BCMA_CC_PMU_CTL_PLL_UPD;
  586. break;
  587. default:
  588. bcma_err(bus, "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n",
  589. bus->chipinfo.id);
  590. break;
  591. }
  592. tmp |= bcma_pmu_read32(cc, BCMA_CC_PMU_CTL);
  593. bcma_pmu_write32(cc, BCMA_CC_PMU_CTL, tmp);
  594. }
  595. EXPORT_SYMBOL_GPL(bcma_pmu_spuravoid_pllupdate);