clock_config.c 20 KB

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  1. /*
  2. * How to setup clock using clock driver functions:
  3. *
  4. * 1. Call CLOCK_InitXXXPLL() to configure corresponding PLL clock.
  5. *
  6. * 2. Call CLOCK_InitXXXpfd() to configure corresponding PLL pfd clock.
  7. *
  8. * 3. Call CLOCK_SetMux() to configure corresponding clock source for target clock out.
  9. *
  10. * 4. Call CLOCK_SetDiv() to configure corresponding clock divider for target clock out.
  11. *
  12. * 5. Call CLOCK_SetXtalFreq() to set XTAL frequency based on board settings.
  13. *
  14. */
  15. /* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
  16. !!GlobalInfo
  17. product: Clocks v5.0
  18. processor: MIMXRT1052xxxxB
  19. package_id: MIMXRT1052DVL6B
  20. mcu_data: ksdk2_0
  21. processor_version: 5.0.2
  22. board: IMXRT1050-EVKB
  23. * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
  24. #include "clock_config.h"
  25. #include "fsl_iomuxc.h"
  26. /*******************************************************************************
  27. * Definitions
  28. ******************************************************************************/
  29. /*******************************************************************************
  30. * Variables
  31. ******************************************************************************/
  32. /* System clock frequency. */
  33. extern uint32_t SystemCoreClock;
  34. /*******************************************************************************
  35. ************************ BOARD_InitBootClocks function ************************
  36. ******************************************************************************/
  37. void BOARD_InitBootClocks(void)
  38. {
  39. BOARD_BootClockRUN();
  40. }
  41. /*******************************************************************************
  42. ********************** Configuration BOARD_BootClockRUN ***********************
  43. ******************************************************************************/
  44. /* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
  45. !!Configuration
  46. name: BOARD_BootClockRUN
  47. called_from_default_init: true
  48. outputs:
  49. - {id: AHB_CLK_ROOT.outFreq, value: 600 MHz}
  50. - {id: CAN_CLK_ROOT.outFreq, value: 40 MHz}
  51. - {id: CKIL_SYNC_CLK_ROOT.outFreq, value: 32.768 kHz}
  52. - {id: CLK_1M.outFreq, value: 1 MHz}
  53. - {id: CLK_24M.outFreq, value: 24 MHz}
  54. - {id: CSI_CLK_ROOT.outFreq, value: 12 MHz}
  55. - {id: ENET1_TX_CLK.outFreq, value: 2.4 MHz}
  56. - {id: ENET_125M_CLK.outFreq, value: 2.4 MHz}
  57. - {id: ENET_25M_REF_CLK.outFreq, value: 1.2 MHz}
  58. - {id: FLEXIO1_CLK_ROOT.outFreq, value: 30 MHz}
  59. - {id: FLEXIO2_CLK_ROOT.outFreq, value: 30 MHz}
  60. - {id: FLEXSPI_CLK_ROOT.outFreq, value: 2880/11 MHz}
  61. - {id: GPT1_ipg_clk_highfreq.outFreq, value: 75 MHz}
  62. - {id: GPT2_ipg_clk_highfreq.outFreq, value: 75 MHz}
  63. - {id: IPG_CLK_ROOT.outFreq, value: 150 MHz}
  64. - {id: LCDIF_CLK_ROOT.outFreq, value: 67.5/7 MHz}
  65. - {id: LPI2C_CLK_ROOT.outFreq, value: 60 MHz}
  66. - {id: LPSPI_CLK_ROOT.outFreq, value: 105.6 MHz}
  67. - {id: LVDS1_CLK.outFreq, value: 1.2 GHz}
  68. - {id: MQS_MCLK.outFreq, value: 1080/17 MHz}
  69. - {id: PERCLK_CLK_ROOT.outFreq, value: 75 MHz}
  70. - {id: PLL7_MAIN_CLK.outFreq, value: 24 MHz}
  71. - {id: SAI1_CLK_ROOT.outFreq, value: 1080/17 MHz}
  72. - {id: SAI1_MCLK1.outFreq, value: 1080/17 MHz}
  73. - {id: SAI1_MCLK2.outFreq, value: 1080/17 MHz}
  74. - {id: SAI1_MCLK3.outFreq, value: 30 MHz}
  75. - {id: SAI2_CLK_ROOT.outFreq, value: 1080/17 MHz}
  76. - {id: SAI2_MCLK1.outFreq, value: 1080/17 MHz}
  77. - {id: SAI2_MCLK3.outFreq, value: 30 MHz}
  78. - {id: SAI3_CLK_ROOT.outFreq, value: 1080/17 MHz}
  79. - {id: SAI3_MCLK1.outFreq, value: 1080/17 MHz}
  80. - {id: SAI3_MCLK3.outFreq, value: 30 MHz}
  81. - {id: SEMC_CLK_ROOT.outFreq, value: 75 MHz}
  82. - {id: SPDIF0_CLK_ROOT.outFreq, value: 30 MHz}
  83. - {id: TRACE_CLK_ROOT.outFreq, value: 352/3 MHz}
  84. - {id: UART_CLK_ROOT.outFreq, value: 80 MHz}
  85. - {id: USDHC1_CLK_ROOT.outFreq, value: 198 MHz}
  86. - {id: USDHC2_CLK_ROOT.outFreq, value: 198 MHz}
  87. settings:
  88. - {id: CCM.AHB_PODF.scale, value: '1', locked: true}
  89. - {id: CCM.ARM_PODF.scale, value: '2', locked: true}
  90. - {id: CCM.FLEXSPI_PODF.scale, value: '1', locked: true}
  91. - {id: CCM.FLEXSPI_SEL.sel, value: CCM_ANALOG.PLL3_PFD0_CLK}
  92. - {id: CCM.LCDIF_PODF.scale, value: '8', locked: true}
  93. - {id: CCM.LCDIF_PRED.scale, value: '7', locked: true}
  94. - {id: CCM.LPSPI_PODF.scale, value: '5', locked: true}
  95. - {id: CCM.PERCLK_PODF.scale, value: '2', locked: true}
  96. - {id: CCM.SEMC_PODF.scale, value: '8'}
  97. - {id: CCM.TRACE_PODF.scale, value: '3', locked: true}
  98. - {id: CCM_ANALOG.PLL1_BYPASS.sel, value: CCM_ANALOG.PLL1}
  99. - {id: CCM_ANALOG.PLL1_PREDIV.scale, value: '1', locked: true}
  100. - {id: CCM_ANALOG.PLL1_VDIV.scale, value: '50', locked: true}
  101. - {id: CCM_ANALOG.PLL2.denom, value: '1', locked: true}
  102. - {id: CCM_ANALOG.PLL2.num, value: '0', locked: true}
  103. - {id: CCM_ANALOG.PLL2_BYPASS.sel, value: CCM_ANALOG.PLL2_OUT_CLK}
  104. - {id: CCM_ANALOG.PLL2_PFD0_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD0}
  105. - {id: CCM_ANALOG.PLL2_PFD1_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD1}
  106. - {id: CCM_ANALOG.PLL2_PFD2_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD2}
  107. - {id: CCM_ANALOG.PLL2_PFD3_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD3}
  108. - {id: CCM_ANALOG.PLL3_BYPASS.sel, value: CCM_ANALOG.PLL3}
  109. - {id: CCM_ANALOG.PLL3_PFD0_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD0}
  110. - {id: CCM_ANALOG.PLL3_PFD0_DIV.scale, value: '33', locked: true}
  111. - {id: CCM_ANALOG.PLL3_PFD0_MUL.scale, value: '18', locked: true}
  112. - {id: CCM_ANALOG.PLL3_PFD1_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD1}
  113. - {id: CCM_ANALOG.PLL3_PFD2_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD2}
  114. - {id: CCM_ANALOG.PLL3_PFD3_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD3}
  115. - {id: CCM_ANALOG.PLL4.denom, value: '50'}
  116. - {id: CCM_ANALOG.PLL4.div, value: '47'}
  117. - {id: CCM_ANALOG.PLL5.denom, value: '1'}
  118. - {id: CCM_ANALOG.PLL5.div, value: '40'}
  119. - {id: CCM_ANALOG.PLL5.num, value: '0'}
  120. - {id: CCM_ANALOG_PLL_ENET_POWERDOWN_CFG, value: 'Yes'}
  121. - {id: CCM_ANALOG_PLL_USB1_POWER_CFG, value: 'Yes'}
  122. sources:
  123. - {id: XTALOSC24M.OSC.outFreq, value: 24 MHz, enabled: true}
  124. - {id: XTALOSC24M.RTC_OSC.outFreq, value: 32.768 kHz, enabled: true}
  125. * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
  126. /*******************************************************************************
  127. * Variables for BOARD_BootClockRUN configuration
  128. ******************************************************************************/
  129. const clock_arm_pll_config_t armPllConfig_BOARD_BootClockRUN =
  130. {
  131. .loopDivider = 100, /* PLL loop divider, Fout = Fin * 50 */
  132. .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */
  133. };
  134. const clock_sys_pll_config_t sysPllConfig_BOARD_BootClockRUN =
  135. {
  136. .loopDivider = 1, /* PLL loop divider, Fout = Fin * ( 20 + loopDivider*2 + numerator / denominator ) */
  137. .numerator = 0, /* 30 bit numerator of fractional loop divider */
  138. .denominator = 1, /* 30 bit denominator of fractional loop divider */
  139. .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */
  140. };
  141. const clock_usb_pll_config_t usb1PllConfig_BOARD_BootClockRUN =
  142. {
  143. .loopDivider = 0, /* PLL loop divider, Fout = Fin * 20 */
  144. .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */
  145. };
  146. /*******************************************************************************
  147. * Code for BOARD_BootClockRUN configuration
  148. ******************************************************************************/
  149. void BOARD_BootClockRUN(void)
  150. {
  151. /* Init RTC OSC clock frequency. */
  152. CLOCK_SetRtcXtalFreq(32768U);
  153. /* Enable 1MHz clock output. */
  154. XTALOSC24M->OSC_CONFIG2 |= XTALOSC24M_OSC_CONFIG2_ENABLE_1M_MASK;
  155. /* Use free 1MHz clock output. */
  156. XTALOSC24M->OSC_CONFIG2 &= ~XTALOSC24M_OSC_CONFIG2_MUX_1M_MASK;
  157. /* Set XTAL 24MHz clock frequency. */
  158. CLOCK_SetXtalFreq(24000000U);
  159. /* Enable XTAL 24MHz clock source. */
  160. CLOCK_InitExternalClk(0);
  161. /* Enable internal RC. */
  162. CLOCK_InitRcOsc24M();
  163. /* Switch clock source to external OSC. */
  164. CLOCK_SwitchOsc(kCLOCK_XtalOsc);
  165. /* Set Oscillator ready counter value. */
  166. CCM->CCR = (CCM->CCR & (~CCM_CCR_OSCNT_MASK)) | CCM_CCR_OSCNT(127);
  167. /* Setting PeriphClk2Mux and PeriphMux to provide stable clock before PLLs are initialed */
  168. CLOCK_SetMux(kCLOCK_PeriphClk2Mux, 1); /* Set PERIPH_CLK2 MUX to OSC */
  169. CLOCK_SetMux(kCLOCK_PeriphMux, 1); /* Set PERIPH_CLK MUX to PERIPH_CLK2 */
  170. /* Setting the VDD_SOC to 1.275V. It is necessary to config AHB to 600Mhz. */
  171. DCDC->REG3 = (DCDC->REG3 & (~DCDC_REG3_TRG_MASK)) | DCDC_REG3_TRG(0x13);
  172. /* Waiting for DCDC_STS_DC_OK bit is asserted */
  173. while (DCDC_REG0_STS_DC_OK_MASK != (DCDC_REG0_STS_DC_OK_MASK & DCDC->REG0))
  174. {
  175. }
  176. /* Set AHB_PODF. */
  177. CLOCK_SetDiv(kCLOCK_AhbDiv, 0);
  178. /* Disable IPG clock gate. */
  179. CLOCK_DisableClock(kCLOCK_Adc1);
  180. CLOCK_DisableClock(kCLOCK_Adc2);
  181. CLOCK_DisableClock(kCLOCK_Xbar1);
  182. CLOCK_DisableClock(kCLOCK_Xbar2);
  183. CLOCK_DisableClock(kCLOCK_Xbar3);
  184. /* Set IPG_PODF. */
  185. CLOCK_SetDiv(kCLOCK_IpgDiv, 3);
  186. /* Set ARM_PODF. */
  187. CLOCK_SetDiv(kCLOCK_ArmDiv, 1);
  188. /* Set PERIPH_CLK2_PODF. */
  189. CLOCK_SetDiv(kCLOCK_PeriphClk2Div, 0);
  190. /* Disable PERCLK clock gate. */
  191. CLOCK_DisableClock(kCLOCK_Gpt1);
  192. CLOCK_DisableClock(kCLOCK_Gpt1S);
  193. CLOCK_DisableClock(kCLOCK_Gpt2);
  194. CLOCK_DisableClock(kCLOCK_Gpt2S);
  195. CLOCK_DisableClock(kCLOCK_Pit);
  196. /* Set PERCLK_PODF. */
  197. CLOCK_SetDiv(kCLOCK_PerclkDiv, 1);
  198. /* Disable USDHC1 clock gate. */
  199. CLOCK_DisableClock(kCLOCK_Usdhc1);
  200. /* Set USDHC1_PODF. */
  201. CLOCK_SetDiv(kCLOCK_Usdhc1Div, 1);
  202. /* Set Usdhc1 clock source. */
  203. CLOCK_SetMux(kCLOCK_Usdhc1Mux, 0);
  204. /* Disable USDHC2 clock gate. */
  205. CLOCK_DisableClock(kCLOCK_Usdhc2);
  206. /* Set USDHC2_PODF. */
  207. CLOCK_SetDiv(kCLOCK_Usdhc2Div, 1);
  208. /* Set Usdhc2 clock source. */
  209. CLOCK_SetMux(kCLOCK_Usdhc2Mux, 0);
  210. /* In SDK projects, SDRAM (configured by SEMC) will be initialized in either debug script or dcd.
  211. * With this macro SKIP_SYSCLK_INIT, system pll (selected to be SEMC source clock in SDK projects) will be left unchanged.
  212. * Note: If another clock source is selected for SEMC, user may want to avoid changing that clock as well.*/
  213. #ifndef SKIP_SYSCLK_INIT
  214. /* Disable Semc clock gate. */
  215. CLOCK_DisableClock(kCLOCK_Semc);
  216. /* Set SEMC_PODF. */
  217. CLOCK_SetDiv(kCLOCK_SemcDiv, 7);
  218. /* Set Semc alt clock source. */
  219. CLOCK_SetMux(kCLOCK_SemcAltMux, 0);
  220. /* Set Semc clock source. */
  221. CLOCK_SetMux(kCLOCK_SemcMux, 0);
  222. #endif
  223. /* In SDK projects, external flash (configured by FLEXSPI) will be initialized by dcd.
  224. * With this macro XIP_EXTERNAL_FLASH, usb1 pll (selected to be FLEXSPI clock source in SDK projects) will be left unchanged.
  225. * Note: If another clock source is selected for FLEXSPI, user may want to avoid changing that clock as well.*/
  226. #if !(defined(XIP_EXTERNAL_FLASH) && (XIP_EXTERNAL_FLASH == 1))
  227. /* Disable Flexspi clock gate. */
  228. CLOCK_DisableClock(kCLOCK_FlexSpi);
  229. /* Set FLEXSPI_PODF. */
  230. CLOCK_SetDiv(kCLOCK_FlexspiDiv, 0);
  231. /* Set Flexspi clock source. */
  232. CLOCK_SetMux(kCLOCK_FlexspiMux, 3);
  233. #endif
  234. /* Disable CSI clock gate. */
  235. CLOCK_DisableClock(kCLOCK_Csi);
  236. /* Set CSI_PODF. */
  237. CLOCK_SetDiv(kCLOCK_CsiDiv, 1);
  238. /* Set Csi clock source. */
  239. CLOCK_SetMux(kCLOCK_CsiMux, 0);
  240. /* Disable LPSPI clock gate. */
  241. CLOCK_DisableClock(kCLOCK_Lpspi1);
  242. CLOCK_DisableClock(kCLOCK_Lpspi2);
  243. CLOCK_DisableClock(kCLOCK_Lpspi3);
  244. CLOCK_DisableClock(kCLOCK_Lpspi4);
  245. /* Set LPSPI_PODF. */
  246. CLOCK_SetDiv(kCLOCK_LpspiDiv, 4);
  247. /* Set Lpspi clock source. */
  248. CLOCK_SetMux(kCLOCK_LpspiMux, 2);
  249. /* Disable TRACE clock gate. */
  250. CLOCK_DisableClock(kCLOCK_Trace);
  251. /* Set TRACE_PODF. */
  252. CLOCK_SetDiv(kCLOCK_TraceDiv, 2);
  253. /* Set Trace clock source. */
  254. CLOCK_SetMux(kCLOCK_TraceMux, 2);
  255. /* Disable SAI1 clock gate. */
  256. CLOCK_DisableClock(kCLOCK_Sai1);
  257. /* Set SAI1_CLK_PRED. */
  258. CLOCK_SetDiv(kCLOCK_Sai1PreDiv, 3);
  259. /* Set SAI1_CLK_PODF. */
  260. CLOCK_SetDiv(kCLOCK_Sai1Div, 1);
  261. /* Set Sai1 clock source. */
  262. CLOCK_SetMux(kCLOCK_Sai1Mux, 0);
  263. /* Disable SAI2 clock gate. */
  264. CLOCK_DisableClock(kCLOCK_Sai2);
  265. /* Set SAI2_CLK_PRED. */
  266. CLOCK_SetDiv(kCLOCK_Sai2PreDiv, 3);
  267. /* Set SAI2_CLK_PODF. */
  268. CLOCK_SetDiv(kCLOCK_Sai2Div, 1);
  269. /* Set Sai2 clock source. */
  270. CLOCK_SetMux(kCLOCK_Sai2Mux, 0);
  271. /* Disable SAI3 clock gate. */
  272. CLOCK_DisableClock(kCLOCK_Sai3);
  273. /* Set SAI3_CLK_PRED. */
  274. CLOCK_SetDiv(kCLOCK_Sai3PreDiv, 3);
  275. /* Set SAI3_CLK_PODF. */
  276. CLOCK_SetDiv(kCLOCK_Sai3Div, 1);
  277. /* Set Sai3 clock source. */
  278. CLOCK_SetMux(kCLOCK_Sai3Mux, 0);
  279. /* Disable Lpi2c clock gate. */
  280. CLOCK_DisableClock(kCLOCK_Lpi2c1);
  281. CLOCK_DisableClock(kCLOCK_Lpi2c2);
  282. CLOCK_DisableClock(kCLOCK_Lpi2c3);
  283. /* Set LPI2C_CLK_PODF. */
  284. CLOCK_SetDiv(kCLOCK_Lpi2cDiv, 0);
  285. /* Set Lpi2c clock source. */
  286. CLOCK_SetMux(kCLOCK_Lpi2cMux, 0);
  287. /* Disable CAN clock gate. */
  288. CLOCK_DisableClock(kCLOCK_Can1);
  289. CLOCK_DisableClock(kCLOCK_Can2);
  290. CLOCK_DisableClock(kCLOCK_Can1S);
  291. CLOCK_DisableClock(kCLOCK_Can2S);
  292. /* Set CAN_CLK_PODF. */
  293. CLOCK_SetDiv(kCLOCK_CanDiv, 1);
  294. /* Set Can clock source. */
  295. CLOCK_SetMux(kCLOCK_CanMux, 2);
  296. /* Disable UART clock gate. */
  297. CLOCK_DisableClock(kCLOCK_Lpuart1);
  298. CLOCK_DisableClock(kCLOCK_Lpuart2);
  299. CLOCK_DisableClock(kCLOCK_Lpuart3);
  300. CLOCK_DisableClock(kCLOCK_Lpuart4);
  301. CLOCK_DisableClock(kCLOCK_Lpuart5);
  302. CLOCK_DisableClock(kCLOCK_Lpuart6);
  303. CLOCK_DisableClock(kCLOCK_Lpuart7);
  304. CLOCK_DisableClock(kCLOCK_Lpuart8);
  305. /* Set UART_CLK_PODF. */
  306. CLOCK_SetDiv(kCLOCK_UartDiv, 0);
  307. /* Set Uart clock source. */
  308. CLOCK_SetMux(kCLOCK_UartMux, 0);
  309. /* Disable LCDIF clock gate. */
  310. CLOCK_DisableClock(kCLOCK_LcdPixel);
  311. /* Set LCDIF_PRED. */
  312. CLOCK_SetDiv(kCLOCK_LcdifPreDiv, 6);
  313. /* Set LCDIF_CLK_PODF. */
  314. CLOCK_SetDiv(kCLOCK_LcdifDiv, 7);
  315. /* Set Lcdif pre clock source. */
  316. CLOCK_SetMux(kCLOCK_LcdifPreMux, 5);
  317. /* Disable SPDIF clock gate. */
  318. CLOCK_DisableClock(kCLOCK_Spdif);
  319. /* Set SPDIF0_CLK_PRED. */
  320. CLOCK_SetDiv(kCLOCK_Spdif0PreDiv, 1);
  321. /* Set SPDIF0_CLK_PODF. */
  322. CLOCK_SetDiv(kCLOCK_Spdif0Div, 7);
  323. /* Set Spdif clock source. */
  324. CLOCK_SetMux(kCLOCK_SpdifMux, 3);
  325. /* Disable Flexio1 clock gate. */
  326. CLOCK_DisableClock(kCLOCK_Flexio1);
  327. /* Set FLEXIO1_CLK_PRED. */
  328. CLOCK_SetDiv(kCLOCK_Flexio1PreDiv, 1);
  329. /* Set FLEXIO1_CLK_PODF. */
  330. CLOCK_SetDiv(kCLOCK_Flexio1Div, 7);
  331. /* Set Flexio1 clock source. */
  332. CLOCK_SetMux(kCLOCK_Flexio1Mux, 3);
  333. /* Disable Flexio2 clock gate. */
  334. CLOCK_DisableClock(kCLOCK_Flexio2);
  335. /* Set FLEXIO2_CLK_PRED. */
  336. CLOCK_SetDiv(kCLOCK_Flexio2PreDiv, 1);
  337. /* Set FLEXIO2_CLK_PODF. */
  338. CLOCK_SetDiv(kCLOCK_Flexio2Div, 7);
  339. /* Set Flexio2 clock source. */
  340. CLOCK_SetMux(kCLOCK_Flexio2Mux, 3);
  341. /* Set Pll3 sw clock source. */
  342. CLOCK_SetMux(kCLOCK_Pll3SwMux, 0);
  343. /* Init ARM PLL. */
  344. CLOCK_InitArmPll(&armPllConfig_BOARD_BootClockRUN);
  345. /* In SDK projects, SDRAM (configured by SEMC) will be initialized in either debug script or dcd.
  346. * With this macro SKIP_SYSCLK_INIT, system pll (selected to be SEMC source clock in SDK projects) will be left unchanged.
  347. * Note: If another clock source is selected for SEMC, user may want to avoid changing that clock as well.*/
  348. #ifndef SKIP_SYSCLK_INIT
  349. /* Init System PLL. */
  350. CLOCK_InitSysPll(&sysPllConfig_BOARD_BootClockRUN);
  351. /* Init System pfd0. */
  352. CLOCK_InitSysPfd(kCLOCK_Pfd0, 27);
  353. /* Init System pfd1. */
  354. CLOCK_InitSysPfd(kCLOCK_Pfd1, 16);
  355. /* Init System pfd2. */
  356. CLOCK_InitSysPfd(kCLOCK_Pfd2, 24);
  357. /* Init System pfd3. */
  358. CLOCK_InitSysPfd(kCLOCK_Pfd3, 16);
  359. /* Disable pfd offset. */
  360. CCM_ANALOG->PLL_SYS &= ~CCM_ANALOG_PLL_SYS_PFD_OFFSET_EN_MASK;
  361. #endif
  362. /* In SDK projects, external flash (configured by FLEXSPI) will be initialized by dcd.
  363. * With this macro XIP_EXTERNAL_FLASH, usb1 pll (selected to be FLEXSPI clock source in SDK projects) will be left unchanged.
  364. * Note: If another clock source is selected for FLEXSPI, user may want to avoid changing that clock as well.*/
  365. #if !(defined(XIP_EXTERNAL_FLASH) && (XIP_EXTERNAL_FLASH == 1))
  366. /* Init Usb1 PLL. */
  367. CLOCK_InitUsb1Pll(&usb1PllConfig_BOARD_BootClockRUN);
  368. /* Init Usb1 pfd0. */
  369. CLOCK_InitUsb1Pfd(kCLOCK_Pfd0, 33);
  370. /* Init Usb1 pfd1. */
  371. CLOCK_InitUsb1Pfd(kCLOCK_Pfd1, 16);
  372. /* Init Usb1 pfd2. */
  373. CLOCK_InitUsb1Pfd(kCLOCK_Pfd2, 17);
  374. /* Init Usb1 pfd3. */
  375. CLOCK_InitUsb1Pfd(kCLOCK_Pfd3, 19);
  376. /* Disable Usb1 PLL output for USBPHY1. */
  377. CCM_ANALOG->PLL_USB1 &= ~CCM_ANALOG_PLL_USB1_EN_USB_CLKS_MASK;
  378. #endif
  379. /* DeInit Audio PLL. */
  380. CLOCK_DeinitAudioPll();
  381. /* Bypass Audio PLL. */
  382. CLOCK_SetPllBypass(CCM_ANALOG, kCLOCK_PllAudio, 1);
  383. /* Set divider for Audio PLL. */
  384. CCM_ANALOG->MISC2 &= ~CCM_ANALOG_MISC2_AUDIO_DIV_LSB_MASK;
  385. CCM_ANALOG->MISC2 &= ~CCM_ANALOG_MISC2_AUDIO_DIV_MSB_MASK;
  386. /* Enable Audio PLL output. */
  387. CCM_ANALOG->PLL_AUDIO |= CCM_ANALOG_PLL_AUDIO_ENABLE_MASK;
  388. /* DeInit Video PLL. */
  389. CLOCK_DeinitVideoPll();
  390. /* Bypass Video PLL. */
  391. CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_BYPASS_MASK;
  392. /* Set divider for Video PLL. */
  393. CCM_ANALOG->MISC2 = (CCM_ANALOG->MISC2 & (~CCM_ANALOG_MISC2_VIDEO_DIV_MASK)) | CCM_ANALOG_MISC2_VIDEO_DIV(0);
  394. /* Enable Video PLL output. */
  395. CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_ENABLE_MASK;
  396. /* DeInit Enet PLL. */
  397. CLOCK_DeinitEnetPll();
  398. /* Bypass Enet PLL. */
  399. CLOCK_SetPllBypass(CCM_ANALOG, kCLOCK_PllEnet, 1);
  400. /* Set Enet output divider. */
  401. CCM_ANALOG->PLL_ENET = (CCM_ANALOG->PLL_ENET & (~CCM_ANALOG_PLL_ENET_DIV_SELECT_MASK)) | CCM_ANALOG_PLL_ENET_DIV_SELECT(1);
  402. /* Enable Enet output. */
  403. CCM_ANALOG->PLL_ENET |= CCM_ANALOG_PLL_ENET_ENABLE_MASK;
  404. /* Enable Enet25M output. */
  405. CCM_ANALOG->PLL_ENET |= CCM_ANALOG_PLL_ENET_ENET_25M_REF_EN_MASK;
  406. /* DeInit Usb2 PLL. */
  407. CLOCK_DeinitUsb2Pll();
  408. /* Bypass Usb2 PLL. */
  409. CLOCK_SetPllBypass(CCM_ANALOG, kCLOCK_PllUsb2, 1);
  410. /* Enable Usb2 PLL output. */
  411. CCM_ANALOG->PLL_USB2 |= CCM_ANALOG_PLL_USB2_ENABLE_MASK;
  412. /* Set preperiph clock source. */
  413. CLOCK_SetMux(kCLOCK_PrePeriphMux, 3);
  414. /* Set periph clock source. */
  415. CLOCK_SetMux(kCLOCK_PeriphMux, 0);
  416. /* Set periph clock2 clock source. */
  417. CLOCK_SetMux(kCLOCK_PeriphClk2Mux, 0);
  418. /* Set per clock source. */
  419. CLOCK_SetMux(kCLOCK_PerclkMux, 0);
  420. /* Set lvds1 clock source. */
  421. CCM_ANALOG->MISC1 = (CCM_ANALOG->MISC1 & (~CCM_ANALOG_MISC1_LVDS1_CLK_SEL_MASK)) | CCM_ANALOG_MISC1_LVDS1_CLK_SEL(0);
  422. /* Set clock out1 divider. */
  423. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO1_DIV_MASK)) | CCM_CCOSR_CLKO1_DIV(0);
  424. /* Set clock out1 source. */
  425. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO1_SEL_MASK)) | CCM_CCOSR_CLKO1_SEL(1);
  426. /* Set clock out2 divider. */
  427. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO2_DIV_MASK)) | CCM_CCOSR_CLKO2_DIV(0);
  428. /* Set clock out2 source. */
  429. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO2_SEL_MASK)) | CCM_CCOSR_CLKO2_SEL(18);
  430. /* Set clock out1 drives clock out1. */
  431. CCM->CCOSR &= ~CCM_CCOSR_CLK_OUT_SEL_MASK;
  432. /* Disable clock out1. */
  433. CCM->CCOSR &= ~CCM_CCOSR_CLKO1_EN_MASK;
  434. /* Disable clock out2. */
  435. CCM->CCOSR &= ~CCM_CCOSR_CLKO2_EN_MASK;
  436. /* Set SAI1 MCLK1 clock source. */
  437. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk1Sel, 0);
  438. /* Set SAI1 MCLK2 clock source. */
  439. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk2Sel, 0);
  440. /* Set SAI1 MCLK3 clock source. */
  441. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk3Sel, 0);
  442. /* Set SAI2 MCLK3 clock source. */
  443. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI2MClk3Sel, 0);
  444. /* Set SAI3 MCLK3 clock source. */
  445. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI3MClk3Sel, 0);
  446. /* Set MQS configuration. */
  447. IOMUXC_MQSConfig(IOMUXC_GPR,kIOMUXC_MqsPwmOverSampleRate32, 0);
  448. /* Set ENET Tx clock source. */
  449. IOMUXC_EnableMode(IOMUXC_GPR, kIOMUXC_GPR_ENET1RefClkMode, false);
  450. /* Set GPT1 High frequency reference clock source. */
  451. IOMUXC_GPR->GPR5 &= ~IOMUXC_GPR_GPR5_VREF_1M_CLK_GPT1_MASK;
  452. /* Set GPT2 High frequency reference clock source. */
  453. IOMUXC_GPR->GPR5 &= ~IOMUXC_GPR_GPR5_VREF_1M_CLK_GPT2_MASK;
  454. /* Set SystemCoreClock variable. */
  455. SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK;
  456. }