driver_chipcommon_pmu.c 16 KB

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  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. #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_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
  17. bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
  18. return bcma_cc_read32(cc, BCMA_CC_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_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
  24. bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
  25. bcma_cc_write32(cc, BCMA_CC_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_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
  32. bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
  33. bcma_cc_maskset32(cc, BCMA_CC_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_cc_write32(cc, BCMA_CC_CHIPCTL_ADDR, offset);
  40. bcma_cc_read32(cc, BCMA_CC_CHIPCTL_ADDR);
  41. bcma_cc_maskset32(cc, BCMA_CC_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_cc_write32(cc, BCMA_CC_REGCTL_ADDR, offset);
  48. bcma_cc_read32(cc, BCMA_CC_REGCTL_ADDR);
  49. bcma_cc_maskset32(cc, BCMA_CC_REGCTL_DATA, mask, set);
  50. }
  51. EXPORT_SYMBOL_GPL(bcma_chipco_regctl_maskset);
  52. static void bcma_pmu_resources_init(struct bcma_drv_cc *cc)
  53. {
  54. struct bcma_bus *bus = cc->core->bus;
  55. u32 min_msk = 0, max_msk = 0;
  56. switch (bus->chipinfo.id) {
  57. case BCMA_CHIP_ID_BCM4313:
  58. min_msk = 0x200D;
  59. max_msk = 0xFFFF;
  60. break;
  61. default:
  62. bcma_debug(bus, "PMU resource config unknown or not needed for device 0x%04X\n",
  63. bus->chipinfo.id);
  64. }
  65. /* Set the resource masks. */
  66. if (min_msk)
  67. bcma_cc_write32(cc, BCMA_CC_PMU_MINRES_MSK, min_msk);
  68. if (max_msk)
  69. bcma_cc_write32(cc, BCMA_CC_PMU_MAXRES_MSK, max_msk);
  70. /*
  71. * Add some delay; allow resources to come up and settle.
  72. * Delay is required for SoC (early init).
  73. */
  74. mdelay(2);
  75. }
  76. /* Disable to allow reading SPROM. Don't know the adventages of enabling it. */
  77. void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable)
  78. {
  79. struct bcma_bus *bus = cc->core->bus;
  80. u32 val;
  81. val = bcma_cc_read32(cc, BCMA_CC_CHIPCTL);
  82. if (enable) {
  83. val |= BCMA_CHIPCTL_4331_EXTPA_EN;
  84. if (bus->chipinfo.pkg == 9 || bus->chipinfo.pkg == 11)
  85. val |= BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
  86. else if (bus->chipinfo.rev > 0)
  87. val |= BCMA_CHIPCTL_4331_EXTPA_EN2;
  88. } else {
  89. val &= ~BCMA_CHIPCTL_4331_EXTPA_EN;
  90. val &= ~BCMA_CHIPCTL_4331_EXTPA_EN2;
  91. val &= ~BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
  92. }
  93. bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val);
  94. }
  95. static void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
  96. {
  97. struct bcma_bus *bus = cc->core->bus;
  98. switch (bus->chipinfo.id) {
  99. case BCMA_CHIP_ID_BCM4313:
  100. /* enable 12 mA drive strenth for 4313 and set chipControl
  101. register bit 1 */
  102. bcma_chipco_chipctl_maskset(cc, 0,
  103. ~BCMA_CCTRL_4313_12MA_LED_DRIVE,
  104. BCMA_CCTRL_4313_12MA_LED_DRIVE);
  105. break;
  106. case BCMA_CHIP_ID_BCM4331:
  107. case BCMA_CHIP_ID_BCM43431:
  108. /* Ext PA lines must be enabled for tx on BCM4331 */
  109. bcma_chipco_bcm4331_ext_pa_lines_ctl(cc, true);
  110. break;
  111. case BCMA_CHIP_ID_BCM43224:
  112. case BCMA_CHIP_ID_BCM43421:
  113. /* enable 12 mA drive strenth for 43224 and set chipControl
  114. register bit 15 */
  115. if (bus->chipinfo.rev == 0) {
  116. bcma_cc_maskset32(cc, BCMA_CC_CHIPCTL,
  117. ~BCMA_CCTRL_43224_GPIO_TOGGLE,
  118. BCMA_CCTRL_43224_GPIO_TOGGLE);
  119. bcma_chipco_chipctl_maskset(cc, 0,
  120. ~BCMA_CCTRL_43224A0_12MA_LED_DRIVE,
  121. BCMA_CCTRL_43224A0_12MA_LED_DRIVE);
  122. } else {
  123. bcma_chipco_chipctl_maskset(cc, 0,
  124. ~BCMA_CCTRL_43224B0_12MA_LED_DRIVE,
  125. BCMA_CCTRL_43224B0_12MA_LED_DRIVE);
  126. }
  127. break;
  128. default:
  129. bcma_debug(bus, "Workarounds unknown or not needed for device 0x%04X\n",
  130. bus->chipinfo.id);
  131. }
  132. }
  133. void bcma_pmu_early_init(struct bcma_drv_cc *cc)
  134. {
  135. u32 pmucap;
  136. pmucap = bcma_cc_read32(cc, BCMA_CC_PMU_CAP);
  137. cc->pmu.rev = (pmucap & BCMA_CC_PMU_CAP_REVISION);
  138. bcma_debug(cc->core->bus, "Found rev %u PMU (capabilities 0x%08X)\n",
  139. cc->pmu.rev, pmucap);
  140. }
  141. void bcma_pmu_init(struct bcma_drv_cc *cc)
  142. {
  143. if (cc->pmu.rev == 1)
  144. bcma_cc_mask32(cc, BCMA_CC_PMU_CTL,
  145. ~BCMA_CC_PMU_CTL_NOILPONW);
  146. else
  147. bcma_cc_set32(cc, BCMA_CC_PMU_CTL,
  148. BCMA_CC_PMU_CTL_NOILPONW);
  149. bcma_pmu_resources_init(cc);
  150. bcma_pmu_workarounds(cc);
  151. }
  152. u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc)
  153. {
  154. struct bcma_bus *bus = cc->core->bus;
  155. switch (bus->chipinfo.id) {
  156. case BCMA_CHIP_ID_BCM4313:
  157. case BCMA_CHIP_ID_BCM43224:
  158. case BCMA_CHIP_ID_BCM43225:
  159. case BCMA_CHIP_ID_BCM43227:
  160. case BCMA_CHIP_ID_BCM43228:
  161. case BCMA_CHIP_ID_BCM4331:
  162. case BCMA_CHIP_ID_BCM43421:
  163. case BCMA_CHIP_ID_BCM43428:
  164. case BCMA_CHIP_ID_BCM43431:
  165. case BCMA_CHIP_ID_BCM4716:
  166. case BCMA_CHIP_ID_BCM47162:
  167. case BCMA_CHIP_ID_BCM4748:
  168. case BCMA_CHIP_ID_BCM4749:
  169. case BCMA_CHIP_ID_BCM5357:
  170. case BCMA_CHIP_ID_BCM53572:
  171. case BCMA_CHIP_ID_BCM6362:
  172. /* always 20Mhz */
  173. return 20000 * 1000;
  174. case BCMA_CHIP_ID_BCM4706:
  175. case BCMA_CHIP_ID_BCM5356:
  176. /* always 25Mhz */
  177. return 25000 * 1000;
  178. case BCMA_CHIP_ID_BCM43460:
  179. case BCMA_CHIP_ID_BCM4352:
  180. case BCMA_CHIP_ID_BCM4360:
  181. if (cc->status & BCMA_CC_CHIPST_4360_XTAL_40MZ)
  182. return 40000 * 1000;
  183. else
  184. return 20000 * 1000;
  185. default:
  186. bcma_warn(bus, "No ALP clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
  187. bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_ALP_CLOCK);
  188. }
  189. return BCMA_CC_PMU_ALP_CLOCK;
  190. }
  191. /* Find the output of the "m" pll divider given pll controls that start with
  192. * pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc.
  193. */
  194. static u32 bcma_pmu_pll_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m)
  195. {
  196. u32 tmp, div, ndiv, p1, p2, fc;
  197. struct bcma_bus *bus = cc->core->bus;
  198. BUG_ON((pll0 & 3) || (pll0 > BCMA_CC_PMU4716_MAINPLL_PLL0));
  199. BUG_ON(!m || m > 4);
  200. if (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
  201. bus->chipinfo.id == BCMA_CHIP_ID_BCM4749) {
  202. /* Detect failure in clock setting */
  203. tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
  204. if (tmp & 0x40000)
  205. return 133 * 1000000;
  206. }
  207. tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_P1P2_OFF);
  208. p1 = (tmp & BCMA_CC_PPL_P1_MASK) >> BCMA_CC_PPL_P1_SHIFT;
  209. p2 = (tmp & BCMA_CC_PPL_P2_MASK) >> BCMA_CC_PPL_P2_SHIFT;
  210. tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_M14_OFF);
  211. div = (tmp >> ((m - 1) * BCMA_CC_PPL_MDIV_WIDTH)) &
  212. BCMA_CC_PPL_MDIV_MASK;
  213. tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_NM5_OFF);
  214. ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT;
  215. /* Do calculation in Mhz */
  216. fc = bcma_pmu_get_alp_clock(cc) / 1000000;
  217. fc = (p1 * ndiv * fc) / p2;
  218. /* Return clock in Hertz */
  219. return (fc / div) * 1000000;
  220. }
  221. static u32 bcma_pmu_pll_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m)
  222. {
  223. u32 tmp, ndiv, p1div, p2div;
  224. u32 clock;
  225. BUG_ON(!m || m > 4);
  226. /* Get N, P1 and P2 dividers to determine CPU clock */
  227. tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PMU6_4706_PROCPLL_OFF);
  228. ndiv = (tmp & BCMA_CC_PMU6_4706_PROC_NDIV_INT_MASK)
  229. >> BCMA_CC_PMU6_4706_PROC_NDIV_INT_SHIFT;
  230. p1div = (tmp & BCMA_CC_PMU6_4706_PROC_P1DIV_MASK)
  231. >> BCMA_CC_PMU6_4706_PROC_P1DIV_SHIFT;
  232. p2div = (tmp & BCMA_CC_PMU6_4706_PROC_P2DIV_MASK)
  233. >> BCMA_CC_PMU6_4706_PROC_P2DIV_SHIFT;
  234. tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
  235. if (tmp & BCMA_CC_CHIPST_4706_PKG_OPTION)
  236. /* Low cost bonding: Fixed reference clock 25MHz and m = 4 */
  237. clock = (25000000 / 4) * ndiv * p2div / p1div;
  238. else
  239. /* Fixed reference clock 25MHz and m = 2 */
  240. clock = (25000000 / 2) * ndiv * p2div / p1div;
  241. if (m == BCMA_CC_PMU5_MAINPLL_SSB)
  242. clock = clock / 4;
  243. return clock;
  244. }
  245. /* query bus clock frequency for PMU-enabled chipcommon */
  246. u32 bcma_pmu_get_bus_clock(struct bcma_drv_cc *cc)
  247. {
  248. struct bcma_bus *bus = cc->core->bus;
  249. switch (bus->chipinfo.id) {
  250. case BCMA_CHIP_ID_BCM4716:
  251. case BCMA_CHIP_ID_BCM4748:
  252. case BCMA_CHIP_ID_BCM47162:
  253. return bcma_pmu_pll_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0,
  254. BCMA_CC_PMU5_MAINPLL_SSB);
  255. case BCMA_CHIP_ID_BCM5356:
  256. return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0,
  257. BCMA_CC_PMU5_MAINPLL_SSB);
  258. case BCMA_CHIP_ID_BCM5357:
  259. case BCMA_CHIP_ID_BCM4749:
  260. return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0,
  261. BCMA_CC_PMU5_MAINPLL_SSB);
  262. case BCMA_CHIP_ID_BCM4706:
  263. return bcma_pmu_pll_clock_bcm4706(cc,
  264. BCMA_CC_PMU4706_MAINPLL_PLL0,
  265. BCMA_CC_PMU5_MAINPLL_SSB);
  266. case BCMA_CHIP_ID_BCM53572:
  267. return 75000000;
  268. default:
  269. bcma_warn(bus, "No bus clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
  270. bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_HT_CLOCK);
  271. }
  272. return BCMA_CC_PMU_HT_CLOCK;
  273. }
  274. EXPORT_SYMBOL_GPL(bcma_pmu_get_bus_clock);
  275. /* query cpu clock frequency for PMU-enabled chipcommon */
  276. u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc)
  277. {
  278. struct bcma_bus *bus = cc->core->bus;
  279. if (bus->chipinfo.id == BCMA_CHIP_ID_BCM53572)
  280. return 300000000;
  281. /* New PMUs can have different clock for bus and CPU */
  282. if (cc->pmu.rev >= 5) {
  283. u32 pll;
  284. switch (bus->chipinfo.id) {
  285. case BCMA_CHIP_ID_BCM4706:
  286. return bcma_pmu_pll_clock_bcm4706(cc,
  287. BCMA_CC_PMU4706_MAINPLL_PLL0,
  288. BCMA_CC_PMU5_MAINPLL_CPU);
  289. case BCMA_CHIP_ID_BCM5356:
  290. pll = BCMA_CC_PMU5356_MAINPLL_PLL0;
  291. break;
  292. case BCMA_CHIP_ID_BCM5357:
  293. case BCMA_CHIP_ID_BCM4749:
  294. pll = BCMA_CC_PMU5357_MAINPLL_PLL0;
  295. break;
  296. default:
  297. pll = BCMA_CC_PMU4716_MAINPLL_PLL0;
  298. break;
  299. }
  300. return bcma_pmu_pll_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU);
  301. }
  302. /* On old PMUs CPU has the same clock as the bus */
  303. return bcma_pmu_get_bus_clock(cc);
  304. }
  305. static void bcma_pmu_spuravoid_pll_write(struct bcma_drv_cc *cc, u32 offset,
  306. u32 value)
  307. {
  308. bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
  309. bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, value);
  310. }
  311. void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid)
  312. {
  313. u32 tmp = 0;
  314. u8 phypll_offset = 0;
  315. u8 bcm5357_bcm43236_p1div[] = {0x1, 0x5, 0x5};
  316. u8 bcm5357_bcm43236_ndiv[] = {0x30, 0xf6, 0xfc};
  317. struct bcma_bus *bus = cc->core->bus;
  318. switch (bus->chipinfo.id) {
  319. case BCMA_CHIP_ID_BCM5357:
  320. case BCMA_CHIP_ID_BCM4749:
  321. case BCMA_CHIP_ID_BCM53572:
  322. /* 5357[ab]0, 43236[ab]0, and 6362b0 */
  323. /* BCM5357 needs to touch PLL1_PLLCTL[02],
  324. so offset PLL0_PLLCTL[02] by 6 */
  325. phypll_offset = (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
  326. bus->chipinfo.id == BCMA_CHIP_ID_BCM4749 ||
  327. bus->chipinfo.id == BCMA_CHIP_ID_BCM53572) ? 6 : 0;
  328. /* RMW only the P1 divider */
  329. bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR,
  330. BCMA_CC_PMU_PLL_CTL0 + phypll_offset);
  331. tmp = bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA);
  332. tmp &= (~(BCMA_CC_PMU1_PLL0_PC0_P1DIV_MASK));
  333. tmp |= (bcm5357_bcm43236_p1div[spuravoid] << BCMA_CC_PMU1_PLL0_PC0_P1DIV_SHIFT);
  334. bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, tmp);
  335. /* RMW only the int feedback divider */
  336. bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR,
  337. BCMA_CC_PMU_PLL_CTL2 + phypll_offset);
  338. tmp = bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA);
  339. tmp &= ~(BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_MASK);
  340. tmp |= (bcm5357_bcm43236_ndiv[spuravoid]) << BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT;
  341. bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, tmp);
  342. tmp = BCMA_CC_PMU_CTL_PLL_UPD;
  343. break;
  344. case BCMA_CHIP_ID_BCM4331:
  345. case BCMA_CHIP_ID_BCM43431:
  346. if (spuravoid == 2) {
  347. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  348. 0x11500014);
  349. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  350. 0x0FC00a08);
  351. } else if (spuravoid == 1) {
  352. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  353. 0x11500014);
  354. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  355. 0x0F600a08);
  356. } else {
  357. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  358. 0x11100014);
  359. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  360. 0x03000a08);
  361. }
  362. tmp = BCMA_CC_PMU_CTL_PLL_UPD;
  363. break;
  364. case BCMA_CHIP_ID_BCM43224:
  365. case BCMA_CHIP_ID_BCM43225:
  366. case BCMA_CHIP_ID_BCM43421:
  367. if (spuravoid == 1) {
  368. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  369. 0x11500010);
  370. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  371. 0x000C0C06);
  372. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  373. 0x0F600a08);
  374. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
  375. 0x00000000);
  376. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
  377. 0x2001E920);
  378. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
  379. 0x88888815);
  380. } else {
  381. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  382. 0x11100010);
  383. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  384. 0x000c0c06);
  385. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  386. 0x03000a08);
  387. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
  388. 0x00000000);
  389. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
  390. 0x200005c0);
  391. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
  392. 0x88888815);
  393. }
  394. tmp = BCMA_CC_PMU_CTL_PLL_UPD;
  395. break;
  396. case BCMA_CHIP_ID_BCM4716:
  397. case BCMA_CHIP_ID_BCM4748:
  398. case BCMA_CHIP_ID_BCM47162:
  399. if (spuravoid == 1) {
  400. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  401. 0x11500060);
  402. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  403. 0x080C0C06);
  404. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  405. 0x0F600000);
  406. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
  407. 0x00000000);
  408. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
  409. 0x2001E924);
  410. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
  411. 0x88888815);
  412. } else {
  413. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  414. 0x11100060);
  415. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  416. 0x080c0c06);
  417. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  418. 0x03000000);
  419. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
  420. 0x00000000);
  421. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
  422. 0x200005c0);
  423. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
  424. 0x88888815);
  425. }
  426. tmp = BCMA_CC_PMU_CTL_PLL_UPD | BCMA_CC_PMU_CTL_NOILPONW;
  427. break;
  428. case BCMA_CHIP_ID_BCM43227:
  429. case BCMA_CHIP_ID_BCM43228:
  430. case BCMA_CHIP_ID_BCM43428:
  431. /* LCNXN */
  432. /* PLL Settings for spur avoidance on/off mode,
  433. no on2 support for 43228A0 */
  434. if (spuravoid == 1) {
  435. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
  436. 0x01100014);
  437. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  438. 0x040C0C06);
  439. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  440. 0x03140A08);
  441. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
  442. 0x00333333);
  443. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
  444. 0x202C2820);
  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. 0x11100014);
  450. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
  451. 0x040c0c06);
  452. bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
  453. 0x03000a08);
  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. tmp = BCMA_CC_PMU_CTL_PLL_UPD;
  462. break;
  463. default:
  464. bcma_err(bus, "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n",
  465. bus->chipinfo.id);
  466. break;
  467. }
  468. tmp |= bcma_cc_read32(cc, BCMA_CC_PMU_CTL);
  469. bcma_cc_write32(cc, BCMA_CC_PMU_CTL, tmp);
  470. }
  471. EXPORT_SYMBOL_GPL(bcma_pmu_spuravoid_pllupdate);