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: 20 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.CAN_CLK_PODF.scale, value: '4', locked: true}
  91. - {id: CCM.FLEXSPI_PODF.scale, value: '1', locked: true}
  92. - {id: CCM.FLEXSPI_SEL.sel, value: CCM_ANALOG.PLL3_PFD0_CLK}
  93. - {id: CCM.LCDIF_PODF.scale, value: '8', locked: true}
  94. - {id: CCM.LCDIF_PRED.scale, value: '7', locked: true}
  95. - {id: CCM.LPSPI_PODF.scale, value: '5', locked: true}
  96. - {id: CCM.PERCLK_PODF.scale, value: '2', locked: true}
  97. - {id: CCM.SEMC_PODF.scale, value: '8'}
  98. - {id: CCM.TRACE_PODF.scale, value: '3', locked: true}
  99. - {id: CCM_ANALOG.PLL1_BYPASS.sel, value: CCM_ANALOG.PLL1}
  100. - {id: CCM_ANALOG.PLL1_PREDIV.scale, value: '1', locked: true}
  101. - {id: CCM_ANALOG.PLL1_VDIV.scale, value: '50', locked: true}
  102. - {id: CCM_ANALOG.PLL2.denom, value: '1', locked: true}
  103. - {id: CCM_ANALOG.PLL2.num, value: '0', locked: true}
  104. - {id: CCM_ANALOG.PLL2_BYPASS.sel, value: CCM_ANALOG.PLL2_OUT_CLK}
  105. - {id: CCM_ANALOG.PLL2_PFD0_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD0}
  106. - {id: CCM_ANALOG.PLL2_PFD1_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD1}
  107. - {id: CCM_ANALOG.PLL2_PFD2_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD2}
  108. - {id: CCM_ANALOG.PLL2_PFD3_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD3}
  109. - {id: CCM_ANALOG.PLL3_BYPASS.sel, value: CCM_ANALOG.PLL3}
  110. - {id: CCM_ANALOG.PLL3_PFD0_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD0}
  111. - {id: CCM_ANALOG.PLL3_PFD0_DIV.scale, value: '33', locked: true}
  112. - {id: CCM_ANALOG.PLL3_PFD0_MUL.scale, value: '18', locked: true}
  113. - {id: CCM_ANALOG.PLL3_PFD1_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD1}
  114. - {id: CCM_ANALOG.PLL3_PFD2_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD2}
  115. - {id: CCM_ANALOG.PLL3_PFD3_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD3}
  116. - {id: CCM_ANALOG.PLL4.denom, value: '50'}
  117. - {id: CCM_ANALOG.PLL4.div, value: '47'}
  118. - {id: CCM_ANALOG.PLL5.denom, value: '1'}
  119. - {id: CCM_ANALOG.PLL5.div, value: '40'}
  120. - {id: CCM_ANALOG.PLL5.num, value: '0'}
  121. - {id: CCM_ANALOG_PLL_ENET_POWERDOWN_CFG, value: 'Yes'}
  122. - {id: CCM_ANALOG_PLL_USB1_POWER_CFG, value: 'Yes'}
  123. sources:
  124. - {id: XTALOSC24M.OSC.outFreq, value: 24 MHz, enabled: true}
  125. - {id: XTALOSC24M.RTC_OSC.outFreq, value: 32.768 kHz, enabled: true}
  126. * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
  127. /*******************************************************************************
  128. * Variables for BOARD_BootClockRUN configuration
  129. ******************************************************************************/
  130. const clock_arm_pll_config_t armPllConfig_BOARD_BootClockRUN =
  131. {
  132. .loopDivider = 100, /* PLL loop divider, Fout = Fin * 50 */
  133. .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */
  134. };
  135. const clock_sys_pll_config_t sysPllConfig_BOARD_BootClockRUN =
  136. {
  137. .loopDivider = 1, /* PLL loop divider, Fout = Fin * ( 20 + loopDivider*2 + numerator / denominator ) */
  138. .numerator = 0, /* 30 bit numerator of fractional loop divider */
  139. .denominator = 1, /* 30 bit denominator of fractional loop divider */
  140. .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */
  141. };
  142. const clock_usb_pll_config_t usb1PllConfig_BOARD_BootClockRUN =
  143. {
  144. .loopDivider = 0, /* PLL loop divider, Fout = Fin * 20 */
  145. .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */
  146. };
  147. /*******************************************************************************
  148. * Code for BOARD_BootClockRUN configuration
  149. ******************************************************************************/
  150. void BOARD_BootClockRUN(void)
  151. {
  152. /* Init RTC OSC clock frequency. */
  153. CLOCK_SetRtcXtalFreq(32768U);
  154. /* Enable 1MHz clock output. */
  155. XTALOSC24M->OSC_CONFIG2 |= XTALOSC24M_OSC_CONFIG2_ENABLE_1M_MASK;
  156. /* Use free 1MHz clock output. */
  157. XTALOSC24M->OSC_CONFIG2 &= ~XTALOSC24M_OSC_CONFIG2_MUX_1M_MASK;
  158. /* Set XTAL 24MHz clock frequency. */
  159. CLOCK_SetXtalFreq(24000000U);
  160. /* Enable XTAL 24MHz clock source. */
  161. CLOCK_InitExternalClk(0);
  162. /* Enable internal RC. */
  163. CLOCK_InitRcOsc24M();
  164. /* Switch clock source to external OSC. */
  165. CLOCK_SwitchOsc(kCLOCK_XtalOsc);
  166. /* Set Oscillator ready counter value. */
  167. CCM->CCR = (CCM->CCR & (~CCM_CCR_OSCNT_MASK)) | CCM_CCR_OSCNT(127);
  168. /* Setting PeriphClk2Mux and PeriphMux to provide stable clock before PLLs are initialed */
  169. CLOCK_SetMux(kCLOCK_PeriphClk2Mux, 1); /* Set PERIPH_CLK2 MUX to OSC */
  170. CLOCK_SetMux(kCLOCK_PeriphMux, 1); /* Set PERIPH_CLK MUX to PERIPH_CLK2 */
  171. /* Setting the VDD_SOC to 1.275V. It is necessary to config AHB to 600Mhz. */
  172. DCDC->REG3 = (DCDC->REG3 & (~DCDC_REG3_TRG_MASK)) | DCDC_REG3_TRG(0x13);
  173. /* Waiting for DCDC_STS_DC_OK bit is asserted */
  174. while (DCDC_REG0_STS_DC_OK_MASK != (DCDC_REG0_STS_DC_OK_MASK & DCDC->REG0))
  175. {
  176. }
  177. /* Set AHB_PODF. */
  178. CLOCK_SetDiv(kCLOCK_AhbDiv, 0);
  179. /* Disable IPG clock gate. */
  180. CLOCK_DisableClock(kCLOCK_Adc1);
  181. CLOCK_DisableClock(kCLOCK_Adc2);
  182. CLOCK_DisableClock(kCLOCK_Xbar1);
  183. CLOCK_DisableClock(kCLOCK_Xbar2);
  184. CLOCK_DisableClock(kCLOCK_Xbar3);
  185. /* Set IPG_PODF. */
  186. CLOCK_SetDiv(kCLOCK_IpgDiv, 3);
  187. /* Set ARM_PODF. */
  188. CLOCK_SetDiv(kCLOCK_ArmDiv, 1);
  189. /* Set PERIPH_CLK2_PODF. */
  190. CLOCK_SetDiv(kCLOCK_PeriphClk2Div, 0);
  191. /* Disable PERCLK clock gate. */
  192. CLOCK_DisableClock(kCLOCK_Gpt1);
  193. CLOCK_DisableClock(kCLOCK_Gpt1S);
  194. CLOCK_DisableClock(kCLOCK_Gpt2);
  195. CLOCK_DisableClock(kCLOCK_Gpt2S);
  196. CLOCK_DisableClock(kCLOCK_Pit);
  197. /* Set PERCLK_PODF. */
  198. CLOCK_SetDiv(kCLOCK_PerclkDiv, 1);
  199. /* Disable USDHC1 clock gate. */
  200. CLOCK_DisableClock(kCLOCK_Usdhc1);
  201. /* Set USDHC1_PODF. */
  202. CLOCK_SetDiv(kCLOCK_Usdhc1Div, 1);
  203. /* Set Usdhc1 clock source. */
  204. CLOCK_SetMux(kCLOCK_Usdhc1Mux, 0);
  205. /* Disable USDHC2 clock gate. */
  206. CLOCK_DisableClock(kCLOCK_Usdhc2);
  207. /* Set USDHC2_PODF. */
  208. CLOCK_SetDiv(kCLOCK_Usdhc2Div, 1);
  209. /* Set Usdhc2 clock source. */
  210. CLOCK_SetMux(kCLOCK_Usdhc2Mux, 0);
  211. /* In SDK projects, SDRAM (configured by SEMC) will be initialized in either debug script or dcd.
  212. * With this macro SKIP_SYSCLK_INIT, system pll (selected to be SEMC source clock in SDK projects) will be left unchanged.
  213. * Note: If another clock source is selected for SEMC, user may want to avoid changing that clock as well.*/
  214. #ifndef SKIP_SYSCLK_INIT
  215. /* Disable Semc clock gate. */
  216. CLOCK_DisableClock(kCLOCK_Semc);
  217. /* Set SEMC_PODF. */
  218. CLOCK_SetDiv(kCLOCK_SemcDiv, 7);
  219. /* Set Semc alt clock source. */
  220. CLOCK_SetMux(kCLOCK_SemcAltMux, 0);
  221. /* Set Semc clock source. */
  222. CLOCK_SetMux(kCLOCK_SemcMux, 0);
  223. #endif
  224. /* In SDK projects, external flash (configured by FLEXSPI) will be initialized by dcd.
  225. * With this macro XIP_EXTERNAL_FLASH, usb1 pll (selected to be FLEXSPI clock source in SDK projects) will be left unchanged.
  226. * Note: If another clock source is selected for FLEXSPI, user may want to avoid changing that clock as well.*/
  227. #if !(defined(XIP_EXTERNAL_FLASH) && (XIP_EXTERNAL_FLASH == 1))
  228. /* Disable Flexspi clock gate. */
  229. CLOCK_DisableClock(kCLOCK_FlexSpi);
  230. /* Set FLEXSPI_PODF. */
  231. CLOCK_SetDiv(kCLOCK_FlexspiDiv, 0);
  232. /* Set Flexspi clock source. */
  233. CLOCK_SetMux(kCLOCK_FlexspiMux, 3);
  234. #endif
  235. /* Disable CSI clock gate. */
  236. CLOCK_DisableClock(kCLOCK_Csi);
  237. /* Set CSI_PODF. */
  238. CLOCK_SetDiv(kCLOCK_CsiDiv, 1);
  239. /* Set Csi clock source. */
  240. CLOCK_SetMux(kCLOCK_CsiMux, 0);
  241. /* Disable LPSPI clock gate. */
  242. CLOCK_DisableClock(kCLOCK_Lpspi1);
  243. CLOCK_DisableClock(kCLOCK_Lpspi2);
  244. CLOCK_DisableClock(kCLOCK_Lpspi3);
  245. CLOCK_DisableClock(kCLOCK_Lpspi4);
  246. /* Set LPSPI_PODF. */
  247. CLOCK_SetDiv(kCLOCK_LpspiDiv, 4);
  248. /* Set Lpspi clock source. */
  249. CLOCK_SetMux(kCLOCK_LpspiMux, 2);
  250. /* Disable TRACE clock gate. */
  251. CLOCK_DisableClock(kCLOCK_Trace);
  252. /* Set TRACE_PODF. */
  253. CLOCK_SetDiv(kCLOCK_TraceDiv, 2);
  254. /* Set Trace clock source. */
  255. CLOCK_SetMux(kCLOCK_TraceMux, 2);
  256. /* Disable SAI1 clock gate. */
  257. CLOCK_DisableClock(kCLOCK_Sai1);
  258. /* Set SAI1_CLK_PRED. */
  259. CLOCK_SetDiv(kCLOCK_Sai1PreDiv, 3);
  260. /* Set SAI1_CLK_PODF. */
  261. CLOCK_SetDiv(kCLOCK_Sai1Div, 1);
  262. /* Set Sai1 clock source. */
  263. CLOCK_SetMux(kCLOCK_Sai1Mux, 0);
  264. /* Disable SAI2 clock gate. */
  265. CLOCK_DisableClock(kCLOCK_Sai2);
  266. /* Set SAI2_CLK_PRED. */
  267. CLOCK_SetDiv(kCLOCK_Sai2PreDiv, 3);
  268. /* Set SAI2_CLK_PODF. */
  269. CLOCK_SetDiv(kCLOCK_Sai2Div, 1);
  270. /* Set Sai2 clock source. */
  271. CLOCK_SetMux(kCLOCK_Sai2Mux, 0);
  272. /* Disable SAI3 clock gate. */
  273. CLOCK_DisableClock(kCLOCK_Sai3);
  274. /* Set SAI3_CLK_PRED. */
  275. CLOCK_SetDiv(kCLOCK_Sai3PreDiv, 3);
  276. /* Set SAI3_CLK_PODF. */
  277. CLOCK_SetDiv(kCLOCK_Sai3Div, 1);
  278. /* Set Sai3 clock source. */
  279. CLOCK_SetMux(kCLOCK_Sai3Mux, 0);
  280. /* Disable Lpi2c clock gate. */
  281. CLOCK_DisableClock(kCLOCK_Lpi2c1);
  282. CLOCK_DisableClock(kCLOCK_Lpi2c2);
  283. CLOCK_DisableClock(kCLOCK_Lpi2c3);
  284. /* Set LPI2C_CLK_PODF. */
  285. CLOCK_SetDiv(kCLOCK_Lpi2cDiv, 0);
  286. /* Set Lpi2c clock source. */
  287. CLOCK_SetMux(kCLOCK_Lpi2cMux, 0);
  288. /* Disable CAN clock gate. */
  289. CLOCK_DisableClock(kCLOCK_Can1);
  290. CLOCK_DisableClock(kCLOCK_Can2);
  291. CLOCK_DisableClock(kCLOCK_Can1S);
  292. CLOCK_DisableClock(kCLOCK_Can2S);
  293. /* Set CAN_CLK_PODF. */
  294. CLOCK_SetDiv(kCLOCK_CanDiv, 3);
  295. /* Set Can clock source. */
  296. CLOCK_SetMux(kCLOCK_CanMux, 2);
  297. /* Disable UART clock gate. */
  298. CLOCK_DisableClock(kCLOCK_Lpuart1);
  299. CLOCK_DisableClock(kCLOCK_Lpuart2);
  300. CLOCK_DisableClock(kCLOCK_Lpuart3);
  301. CLOCK_DisableClock(kCLOCK_Lpuart4);
  302. CLOCK_DisableClock(kCLOCK_Lpuart5);
  303. CLOCK_DisableClock(kCLOCK_Lpuart6);
  304. CLOCK_DisableClock(kCLOCK_Lpuart7);
  305. CLOCK_DisableClock(kCLOCK_Lpuart8);
  306. /* Set UART_CLK_PODF. */
  307. CLOCK_SetDiv(kCLOCK_UartDiv, 0);
  308. /* Set Uart clock source. */
  309. CLOCK_SetMux(kCLOCK_UartMux, 0);
  310. /* Disable LCDIF clock gate. */
  311. CLOCK_DisableClock(kCLOCK_LcdPixel);
  312. /* Set LCDIF_PRED. */
  313. CLOCK_SetDiv(kCLOCK_LcdifPreDiv, 6);
  314. /* Set LCDIF_CLK_PODF. */
  315. CLOCK_SetDiv(kCLOCK_LcdifDiv, 7);
  316. /* Set Lcdif pre clock source. */
  317. CLOCK_SetMux(kCLOCK_LcdifPreMux, 5);
  318. /* Disable SPDIF clock gate. */
  319. CLOCK_DisableClock(kCLOCK_Spdif);
  320. /* Set SPDIF0_CLK_PRED. */
  321. CLOCK_SetDiv(kCLOCK_Spdif0PreDiv, 1);
  322. /* Set SPDIF0_CLK_PODF. */
  323. CLOCK_SetDiv(kCLOCK_Spdif0Div, 7);
  324. /* Set Spdif clock source. */
  325. CLOCK_SetMux(kCLOCK_SpdifMux, 3);
  326. /* Disable Flexio1 clock gate. */
  327. CLOCK_DisableClock(kCLOCK_Flexio1);
  328. /* Set FLEXIO1_CLK_PRED. */
  329. CLOCK_SetDiv(kCLOCK_Flexio1PreDiv, 1);
  330. /* Set FLEXIO1_CLK_PODF. */
  331. CLOCK_SetDiv(kCLOCK_Flexio1Div, 7);
  332. /* Set Flexio1 clock source. */
  333. CLOCK_SetMux(kCLOCK_Flexio1Mux, 3);
  334. /* Disable Flexio2 clock gate. */
  335. CLOCK_DisableClock(kCLOCK_Flexio2);
  336. /* Set FLEXIO2_CLK_PRED. */
  337. CLOCK_SetDiv(kCLOCK_Flexio2PreDiv, 1);
  338. /* Set FLEXIO2_CLK_PODF. */
  339. CLOCK_SetDiv(kCLOCK_Flexio2Div, 7);
  340. /* Set Flexio2 clock source. */
  341. CLOCK_SetMux(kCLOCK_Flexio2Mux, 3);
  342. /* Set Pll3 sw clock source. */
  343. CLOCK_SetMux(kCLOCK_Pll3SwMux, 0);
  344. /* Init ARM PLL. */
  345. CLOCK_InitArmPll(&armPllConfig_BOARD_BootClockRUN);
  346. /* In SDK projects, SDRAM (configured by SEMC) will be initialized in either debug script or dcd.
  347. * With this macro SKIP_SYSCLK_INIT, system pll (selected to be SEMC source clock in SDK projects) will be left unchanged.
  348. * Note: If another clock source is selected for SEMC, user may want to avoid changing that clock as well.*/
  349. #ifndef SKIP_SYSCLK_INIT
  350. /* Init System PLL. */
  351. CLOCK_InitSysPll(&sysPllConfig_BOARD_BootClockRUN);
  352. /* Init System pfd0. */
  353. CLOCK_InitSysPfd(kCLOCK_Pfd0, 27);
  354. /* Init System pfd1. */
  355. CLOCK_InitSysPfd(kCLOCK_Pfd1, 16);
  356. /* Init System pfd2. */
  357. CLOCK_InitSysPfd(kCLOCK_Pfd2, 24);
  358. /* Init System pfd3. */
  359. CLOCK_InitSysPfd(kCLOCK_Pfd3, 16);
  360. /* Disable pfd offset. */
  361. CCM_ANALOG->PLL_SYS &= ~CCM_ANALOG_PLL_SYS_PFD_OFFSET_EN_MASK;
  362. #endif
  363. /* In SDK projects, external flash (configured by FLEXSPI) will be initialized by dcd.
  364. * With this macro XIP_EXTERNAL_FLASH, usb1 pll (selected to be FLEXSPI clock source in SDK projects) will be left unchanged.
  365. * Note: If another clock source is selected for FLEXSPI, user may want to avoid changing that clock as well.*/
  366. #if !(defined(XIP_EXTERNAL_FLASH) && (XIP_EXTERNAL_FLASH == 1))
  367. /* Init Usb1 PLL. */
  368. CLOCK_InitUsb1Pll(&usb1PllConfig_BOARD_BootClockRUN);
  369. /* Init Usb1 pfd0. */
  370. CLOCK_InitUsb1Pfd(kCLOCK_Pfd0, 33);
  371. /* Init Usb1 pfd1. */
  372. CLOCK_InitUsb1Pfd(kCLOCK_Pfd1, 16);
  373. /* Init Usb1 pfd2. */
  374. CLOCK_InitUsb1Pfd(kCLOCK_Pfd2, 17);
  375. /* Init Usb1 pfd3. */
  376. CLOCK_InitUsb1Pfd(kCLOCK_Pfd3, 19);
  377. /* Disable Usb1 PLL output for USBPHY1. */
  378. CCM_ANALOG->PLL_USB1 &= ~CCM_ANALOG_PLL_USB1_EN_USB_CLKS_MASK;
  379. #endif
  380. /* DeInit Audio PLL. */
  381. CLOCK_DeinitAudioPll();
  382. /* Bypass Audio PLL. */
  383. CLOCK_SetPllBypass(CCM_ANALOG, kCLOCK_PllAudio, 1);
  384. /* Set divider for Audio PLL. */
  385. CCM_ANALOG->MISC2 &= ~CCM_ANALOG_MISC2_AUDIO_DIV_LSB_MASK;
  386. CCM_ANALOG->MISC2 &= ~CCM_ANALOG_MISC2_AUDIO_DIV_MSB_MASK;
  387. /* Enable Audio PLL output. */
  388. CCM_ANALOG->PLL_AUDIO |= CCM_ANALOG_PLL_AUDIO_ENABLE_MASK;
  389. /* DeInit Video PLL. */
  390. CLOCK_DeinitVideoPll();
  391. /* Bypass Video PLL. */
  392. CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_BYPASS_MASK;
  393. /* Set divider for Video PLL. */
  394. CCM_ANALOG->MISC2 = (CCM_ANALOG->MISC2 & (~CCM_ANALOG_MISC2_VIDEO_DIV_MASK)) | CCM_ANALOG_MISC2_VIDEO_DIV(0);
  395. /* Enable Video PLL output. */
  396. CCM_ANALOG->PLL_VIDEO |= CCM_ANALOG_PLL_VIDEO_ENABLE_MASK;
  397. /* DeInit Enet PLL. */
  398. CLOCK_DeinitEnetPll();
  399. /* Bypass Enet PLL. */
  400. CLOCK_SetPllBypass(CCM_ANALOG, kCLOCK_PllEnet, 1);
  401. /* Set Enet output divider. */
  402. CCM_ANALOG->PLL_ENET = (CCM_ANALOG->PLL_ENET & (~CCM_ANALOG_PLL_ENET_DIV_SELECT_MASK)) | CCM_ANALOG_PLL_ENET_DIV_SELECT(1);
  403. /* Enable Enet output. */
  404. CCM_ANALOG->PLL_ENET |= CCM_ANALOG_PLL_ENET_ENABLE_MASK;
  405. /* Enable Enet25M output. */
  406. CCM_ANALOG->PLL_ENET |= CCM_ANALOG_PLL_ENET_ENET_25M_REF_EN_MASK;
  407. /* DeInit Usb2 PLL. */
  408. CLOCK_DeinitUsb2Pll();
  409. /* Bypass Usb2 PLL. */
  410. CLOCK_SetPllBypass(CCM_ANALOG, kCLOCK_PllUsb2, 1);
  411. /* Enable Usb2 PLL output. */
  412. CCM_ANALOG->PLL_USB2 |= CCM_ANALOG_PLL_USB2_ENABLE_MASK;
  413. /* Set preperiph clock source. */
  414. CLOCK_SetMux(kCLOCK_PrePeriphMux, 3);
  415. /* Set periph clock source. */
  416. CLOCK_SetMux(kCLOCK_PeriphMux, 0);
  417. /* Set periph clock2 clock source. */
  418. CLOCK_SetMux(kCLOCK_PeriphClk2Mux, 0);
  419. /* Set per clock source. */
  420. CLOCK_SetMux(kCLOCK_PerclkMux, 0);
  421. /* Set lvds1 clock source. */
  422. CCM_ANALOG->MISC1 = (CCM_ANALOG->MISC1 & (~CCM_ANALOG_MISC1_LVDS1_CLK_SEL_MASK)) | CCM_ANALOG_MISC1_LVDS1_CLK_SEL(0);
  423. /* Set clock out1 divider. */
  424. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO1_DIV_MASK)) | CCM_CCOSR_CLKO1_DIV(0);
  425. /* Set clock out1 source. */
  426. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO1_SEL_MASK)) | CCM_CCOSR_CLKO1_SEL(1);
  427. /* Set clock out2 divider. */
  428. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO2_DIV_MASK)) | CCM_CCOSR_CLKO2_DIV(0);
  429. /* Set clock out2 source. */
  430. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO2_SEL_MASK)) | CCM_CCOSR_CLKO2_SEL(18);
  431. /* Set clock out1 drives clock out1. */
  432. CCM->CCOSR &= ~CCM_CCOSR_CLK_OUT_SEL_MASK;
  433. /* Disable clock out1. */
  434. CCM->CCOSR &= ~CCM_CCOSR_CLKO1_EN_MASK;
  435. /* Disable clock out2. */
  436. CCM->CCOSR &= ~CCM_CCOSR_CLKO2_EN_MASK;
  437. /* Set SAI1 MCLK1 clock source. */
  438. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk1Sel, 0);
  439. /* Set SAI1 MCLK2 clock source. */
  440. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk2Sel, 0);
  441. /* Set SAI1 MCLK3 clock source. */
  442. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk3Sel, 0);
  443. /* Set SAI2 MCLK3 clock source. */
  444. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI2MClk3Sel, 0);
  445. /* Set SAI3 MCLK3 clock source. */
  446. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI3MClk3Sel, 0);
  447. /* Set MQS configuration. */
  448. IOMUXC_MQSConfig(IOMUXC_GPR,kIOMUXC_MqsPwmOverSampleRate32, 0);
  449. /* Set ENET Tx clock source. */
  450. IOMUXC_EnableMode(IOMUXC_GPR, kIOMUXC_GPR_ENET1RefClkMode, false);
  451. /* Set GPT1 High frequency reference clock source. */
  452. IOMUXC_GPR->GPR5 &= ~IOMUXC_GPR_GPR5_VREF_1M_CLK_GPT1_MASK;
  453. /* Set GPT2 High frequency reference clock source. */
  454. IOMUXC_GPR->GPR5 &= ~IOMUXC_GPR_GPR5_VREF_1M_CLK_GPT2_MASK;
  455. /* Set SystemCoreClock variable. */
  456. SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK;
  457. }