clock_config.c 23 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 v7.0
  18. processor: MIMXRT1062xxxxA
  19. package_id: MIMXRT1062DVL6A
  20. mcu_data: ksdk2_0
  21. processor_version: 8.0.3
  22. board: MIMXRT1060-EVK
  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: ENET2_125M_CLK.outFreq, value: 1.2 MHz}
  57. - {id: ENET2_TX_CLK.outFreq, value: 1.2 MHz}
  58. - {id: ENET_125M_CLK.outFreq, value: 2.4 MHz}
  59. - {id: ENET_25M_REF_CLK.outFreq, value: 1.2 MHz}
  60. - {id: FLEXIO1_CLK_ROOT.outFreq, value: 30 MHz}
  61. - {id: FLEXIO2_CLK_ROOT.outFreq, value: 30 MHz}
  62. - {id: FLEXSPI2_CLK_ROOT.outFreq, value: 1440/11 MHz}
  63. - {id: FLEXSPI_CLK_ROOT.outFreq, value: 1440/11 MHz}
  64. - {id: GPT1_ipg_clk_highfreq.outFreq, value: 75 MHz}
  65. - {id: GPT2_ipg_clk_highfreq.outFreq, value: 75 MHz}
  66. - {id: IPG_CLK_ROOT.outFreq, value: 150 MHz}
  67. - {id: LCDIF_CLK_ROOT.outFreq, value: 67.5 MHz}
  68. - {id: LPI2C_CLK_ROOT.outFreq, value: 60 MHz}
  69. - {id: LPSPI_CLK_ROOT.outFreq, value: 105.6 MHz}
  70. - {id: LVDS1_CLK.outFreq, value: 1.2 GHz}
  71. - {id: MQS_MCLK.outFreq, value: 1080/17 MHz}
  72. - {id: PERCLK_CLK_ROOT.outFreq, value: 75 MHz}
  73. - {id: PLL7_MAIN_CLK.outFreq, value: 24 MHz}
  74. - {id: SAI1_CLK_ROOT.outFreq, value: 1080/17 MHz}
  75. - {id: SAI1_MCLK1.outFreq, value: 1080/17 MHz}
  76. - {id: SAI1_MCLK2.outFreq, value: 1080/17 MHz}
  77. - {id: SAI1_MCLK3.outFreq, value: 30 MHz}
  78. - {id: SAI2_CLK_ROOT.outFreq, value: 1080/17 MHz}
  79. - {id: SAI2_MCLK1.outFreq, value: 1080/17 MHz}
  80. - {id: SAI2_MCLK3.outFreq, value: 30 MHz}
  81. - {id: SAI3_CLK_ROOT.outFreq, value: 1080/17 MHz}
  82. - {id: SAI3_MCLK1.outFreq, value: 1080/17 MHz}
  83. - {id: SAI3_MCLK3.outFreq, value: 30 MHz}
  84. - {id: SEMC_CLK_ROOT.outFreq, value: 75 MHz}
  85. - {id: SPDIF0_CLK_ROOT.outFreq, value: 30 MHz}
  86. - {id: TRACE_CLK_ROOT.outFreq, value: 132 MHz}
  87. - {id: UART_CLK_ROOT.outFreq, value: 80 MHz}
  88. - {id: USDHC1_CLK_ROOT.outFreq, value: 198 MHz}
  89. - {id: USDHC2_CLK_ROOT.outFreq, value: 198 MHz}
  90. settings:
  91. - {id: CCM.AHB_PODF.scale, value: '1', locked: true}
  92. - {id: CCM.ARM_PODF.scale, value: '2', locked: true}
  93. - {id: CCM.FLEXSPI2_PODF.scale, value: '2', locked: true}
  94. - {id: CCM.FLEXSPI2_SEL.sel, value: CCM_ANALOG.PLL3_PFD0_CLK}
  95. - {id: CCM.FLEXSPI_PODF.scale, value: '2', locked: true}
  96. - {id: CCM.FLEXSPI_SEL.sel, value: CCM_ANALOG.PLL3_PFD0_CLK}
  97. - {id: CCM.LPSPI_PODF.scale, value: '5', locked: true}
  98. - {id: CCM.PERCLK_PODF.scale, value: '2', locked: true}
  99. - {id: CCM.SEMC_PODF.scale, value: '8'}
  100. - {id: CCM.TRACE_CLK_SEL.sel, value: CCM_ANALOG.PLL2_MAIN_CLK}
  101. - {id: CCM.TRACE_PODF.scale, value: '4', locked: true}
  102. - {id: CCM_ANALOG.PLL1_BYPASS.sel, value: CCM_ANALOG.PLL1}
  103. - {id: CCM_ANALOG.PLL1_PREDIV.scale, value: '1', locked: true}
  104. - {id: CCM_ANALOG.PLL1_VDIV.scale, value: '50', locked: true}
  105. - {id: CCM_ANALOG.PLL2.denom, value: '1', locked: true}
  106. - {id: CCM_ANALOG.PLL2.num, value: '0', locked: true}
  107. - {id: CCM_ANALOG.PLL2_BYPASS.sel, value: CCM_ANALOG.PLL2_OUT_CLK}
  108. - {id: CCM_ANALOG.PLL2_PFD0_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD0}
  109. - {id: CCM_ANALOG.PLL2_PFD1_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD1}
  110. - {id: CCM_ANALOG.PLL2_PFD2_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD2}
  111. - {id: CCM_ANALOG.PLL2_PFD3_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD3}
  112. - {id: CCM_ANALOG.PLL3_BYPASS.sel, value: CCM_ANALOG.PLL3}
  113. - {id: CCM_ANALOG.PLL3_PFD0_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD0}
  114. - {id: CCM_ANALOG.PLL3_PFD0_DIV.scale, value: '33', locked: true}
  115. - {id: CCM_ANALOG.PLL3_PFD0_MUL.scale, value: '18', locked: true}
  116. - {id: CCM_ANALOG.PLL3_PFD1_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD1}
  117. - {id: CCM_ANALOG.PLL3_PFD2_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD2}
  118. - {id: CCM_ANALOG.PLL3_PFD3_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD3}
  119. - {id: CCM_ANALOG.PLL4.denom, value: '50'}
  120. - {id: CCM_ANALOG.PLL4.div, value: '47'}
  121. - {id: CCM_ANALOG.PLL5.denom, value: '1'}
  122. - {id: CCM_ANALOG.PLL5.div, value: '31', locked: true}
  123. - {id: CCM_ANALOG.PLL5.num, value: '0'}
  124. - {id: CCM_ANALOG.PLL5_BYPASS.sel, value: CCM_ANALOG.PLL5_POST_DIV}
  125. - {id: CCM_ANALOG.PLL5_POST_DIV.scale, value: '2'}
  126. - {id: CCM_ANALOG.VIDEO_DIV.scale, value: '4'}
  127. - {id: CCM_ANALOG_PLL_ENET_POWERDOWN_CFG, value: 'Yes'}
  128. - {id: CCM_ANALOG_PLL_USB1_POWER_CFG, value: 'Yes'}
  129. - {id: CCM_ANALOG_PLL_VIDEO_POWERDOWN_CFG, value: 'No'}
  130. sources:
  131. - {id: XTALOSC24M.RTC_OSC.outFreq, value: 32.768 kHz, enabled: true}
  132. * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
  133. /*******************************************************************************
  134. * Variables for BOARD_BootClockRUN configuration
  135. ******************************************************************************/
  136. const clock_arm_pll_config_t armPllConfig_BOARD_BootClockRUN =
  137. {
  138. .loopDivider = 100, /* PLL loop divider, Fout = Fin * 50 */
  139. .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */
  140. };
  141. const clock_sys_pll_config_t sysPllConfig_BOARD_BootClockRUN =
  142. {
  143. .loopDivider = 1, /* PLL loop divider, Fout = Fin * ( 20 + loopDivider*2 + numerator / denominator ) */
  144. .numerator = 0, /* 30 bit numerator of fractional loop divider */
  145. .denominator = 1, /* 30 bit denominator of fractional loop divider */
  146. .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */
  147. };
  148. const clock_usb_pll_config_t usb1PllConfig_BOARD_BootClockRUN =
  149. {
  150. .loopDivider = 0, /* PLL loop divider, Fout = Fin * 20 */
  151. .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */
  152. };
  153. const clock_video_pll_config_t videoPllConfig_BOARD_BootClockRUN =
  154. {
  155. .loopDivider = 31, /* PLL loop divider, Fout = Fin * ( loopDivider + numerator / denominator ) */
  156. .postDivider = 8, /* Divider after PLL */
  157. .numerator = 0, /* 30 bit numerator of fractional loop divider, Fout = Fin * ( loopDivider + numerator / denominator ) */
  158. .denominator = 1, /* 30 bit denominator of fractional loop divider, Fout = Fin * ( loopDivider + numerator / denominator ) */
  159. .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */
  160. };
  161. /*******************************************************************************
  162. * Code for BOARD_BootClockRUN configuration
  163. ******************************************************************************/
  164. void BOARD_BootClockRUN(void)
  165. {
  166. /* Init RTC OSC clock frequency. */
  167. CLOCK_SetRtcXtalFreq(32768U);
  168. /* Enable 1MHz clock output. */
  169. XTALOSC24M->OSC_CONFIG2 |= XTALOSC24M_OSC_CONFIG2_ENABLE_1M_MASK;
  170. /* Use free 1MHz clock output. */
  171. XTALOSC24M->OSC_CONFIG2 &= ~XTALOSC24M_OSC_CONFIG2_MUX_1M_MASK;
  172. /* Set XTAL 24MHz clock frequency. */
  173. CLOCK_SetXtalFreq(24000000U);
  174. /* Enable XTAL 24MHz clock source. */
  175. CLOCK_InitExternalClk(0);
  176. /* Enable internal RC. */
  177. CLOCK_InitRcOsc24M();
  178. /* Switch clock source to external OSC. */
  179. CLOCK_SwitchOsc(kCLOCK_XtalOsc);
  180. /* Set Oscillator ready counter value. */
  181. CCM->CCR = (CCM->CCR & (~CCM_CCR_OSCNT_MASK)) | CCM_CCR_OSCNT(127);
  182. /* Setting PeriphClk2Mux and PeriphMux to provide stable clock before PLLs are initialed */
  183. CLOCK_SetMux(kCLOCK_PeriphClk2Mux, 1); /* Set PERIPH_CLK2 MUX to OSC */
  184. CLOCK_SetMux(kCLOCK_PeriphMux, 1); /* Set PERIPH_CLK MUX to PERIPH_CLK2 */
  185. /* Setting the VDD_SOC to 1.275V. It is necessary to config AHB to 600Mhz. */
  186. DCDC->REG3 = (DCDC->REG3 & (~DCDC_REG3_TRG_MASK)) | DCDC_REG3_TRG(0x13);
  187. /* Waiting for DCDC_STS_DC_OK bit is asserted */
  188. while (DCDC_REG0_STS_DC_OK_MASK != (DCDC_REG0_STS_DC_OK_MASK & DCDC->REG0))
  189. {
  190. }
  191. /* Set AHB_PODF. */
  192. CLOCK_SetDiv(kCLOCK_AhbDiv, 0);
  193. /* Disable IPG clock gate. */
  194. CLOCK_DisableClock(kCLOCK_Adc1);
  195. CLOCK_DisableClock(kCLOCK_Adc2);
  196. CLOCK_DisableClock(kCLOCK_Xbar1);
  197. CLOCK_DisableClock(kCLOCK_Xbar2);
  198. CLOCK_DisableClock(kCLOCK_Xbar3);
  199. /* Set IPG_PODF. */
  200. CLOCK_SetDiv(kCLOCK_IpgDiv, 3);
  201. /* Set ARM_PODF. */
  202. CLOCK_SetDiv(kCLOCK_ArmDiv, 1);
  203. /* Set PERIPH_CLK2_PODF. */
  204. CLOCK_SetDiv(kCLOCK_PeriphClk2Div, 0);
  205. /* Disable PERCLK clock gate. */
  206. CLOCK_DisableClock(kCLOCK_Gpt1);
  207. CLOCK_DisableClock(kCLOCK_Gpt1S);
  208. CLOCK_DisableClock(kCLOCK_Gpt2);
  209. CLOCK_DisableClock(kCLOCK_Gpt2S);
  210. CLOCK_DisableClock(kCLOCK_Pit);
  211. /* Set PERCLK_PODF. */
  212. CLOCK_SetDiv(kCLOCK_PerclkDiv, 1);
  213. /* Disable USDHC1 clock gate. */
  214. CLOCK_DisableClock(kCLOCK_Usdhc1);
  215. /* Set USDHC1_PODF. */
  216. CLOCK_SetDiv(kCLOCK_Usdhc1Div, 1);
  217. /* Set Usdhc1 clock source. */
  218. CLOCK_SetMux(kCLOCK_Usdhc1Mux, 0);
  219. /* Disable USDHC2 clock gate. */
  220. CLOCK_DisableClock(kCLOCK_Usdhc2);
  221. /* Set USDHC2_PODF. */
  222. CLOCK_SetDiv(kCLOCK_Usdhc2Div, 1);
  223. /* Set Usdhc2 clock source. */
  224. CLOCK_SetMux(kCLOCK_Usdhc2Mux, 0);
  225. /* In SDK projects, SDRAM (configured by SEMC) will be initialized in either debug script or dcd.
  226. * With this macro SKIP_SYSCLK_INIT, system pll (selected to be SEMC source clock in SDK projects) will be left unchanged.
  227. * Note: If another clock source is selected for SEMC, user may want to avoid changing that clock as well.*/
  228. #ifndef SKIP_SYSCLK_INIT
  229. /* Disable Semc clock gate. */
  230. CLOCK_DisableClock(kCLOCK_Semc);
  231. /* Set SEMC_PODF. */
  232. CLOCK_SetDiv(kCLOCK_SemcDiv, 7);
  233. /* Set Semc alt clock source. */
  234. CLOCK_SetMux(kCLOCK_SemcAltMux, 0);
  235. /* Set Semc clock source. */
  236. CLOCK_SetMux(kCLOCK_SemcMux, 0);
  237. #endif
  238. /* In SDK projects, external flash (configured by FLEXSPI) will be initialized by dcd.
  239. * With this macro XIP_EXTERNAL_FLASH, usb1 pll (selected to be FLEXSPI clock source in SDK projects) will be left unchanged.
  240. * Note: If another clock source is selected for FLEXSPI, user may want to avoid changing that clock as well.*/
  241. #if !(defined(XIP_EXTERNAL_FLASH) && (XIP_EXTERNAL_FLASH == 1))
  242. /* Disable Flexspi clock gate. */
  243. CLOCK_DisableClock(kCLOCK_FlexSpi);
  244. /* Set FLEXSPI_PODF. */
  245. CLOCK_SetDiv(kCLOCK_FlexspiDiv, 1);
  246. /* Set Flexspi clock source. */
  247. CLOCK_SetMux(kCLOCK_FlexspiMux, 3);
  248. #endif
  249. /* Disable Flexspi2 clock gate. */
  250. CLOCK_DisableClock(kCLOCK_FlexSpi2);
  251. /* Set FLEXSPI2_PODF. */
  252. CLOCK_SetDiv(kCLOCK_Flexspi2Div, 1);
  253. /* Set Flexspi2 clock source. */
  254. CLOCK_SetMux(kCLOCK_Flexspi2Mux, 1);
  255. /* Disable CSI clock gate. */
  256. CLOCK_DisableClock(kCLOCK_Csi);
  257. /* Set CSI_PODF. */
  258. CLOCK_SetDiv(kCLOCK_CsiDiv, 1);
  259. /* Set Csi clock source. */
  260. CLOCK_SetMux(kCLOCK_CsiMux, 0);
  261. /* Disable LPSPI clock gate. */
  262. CLOCK_DisableClock(kCLOCK_Lpspi1);
  263. CLOCK_DisableClock(kCLOCK_Lpspi2);
  264. CLOCK_DisableClock(kCLOCK_Lpspi3);
  265. CLOCK_DisableClock(kCLOCK_Lpspi4);
  266. /* Set LPSPI_PODF. */
  267. CLOCK_SetDiv(kCLOCK_LpspiDiv, 4);
  268. /* Set Lpspi clock source. */
  269. CLOCK_SetMux(kCLOCK_LpspiMux, 2);
  270. /* Disable TRACE clock gate. */
  271. CLOCK_DisableClock(kCLOCK_Trace);
  272. /* Set TRACE_PODF. */
  273. CLOCK_SetDiv(kCLOCK_TraceDiv, 3);
  274. /* Set Trace clock source. */
  275. CLOCK_SetMux(kCLOCK_TraceMux, 0);
  276. /* Disable SAI1 clock gate. */
  277. CLOCK_DisableClock(kCLOCK_Sai1);
  278. /* Set SAI1_CLK_PRED. */
  279. CLOCK_SetDiv(kCLOCK_Sai1PreDiv, 3);
  280. /* Set SAI1_CLK_PODF. */
  281. CLOCK_SetDiv(kCLOCK_Sai1Div, 1);
  282. /* Set Sai1 clock source. */
  283. CLOCK_SetMux(kCLOCK_Sai1Mux, 0);
  284. /* Disable SAI2 clock gate. */
  285. CLOCK_DisableClock(kCLOCK_Sai2);
  286. /* Set SAI2_CLK_PRED. */
  287. CLOCK_SetDiv(kCLOCK_Sai2PreDiv, 3);
  288. /* Set SAI2_CLK_PODF. */
  289. CLOCK_SetDiv(kCLOCK_Sai2Div, 1);
  290. /* Set Sai2 clock source. */
  291. CLOCK_SetMux(kCLOCK_Sai2Mux, 0);
  292. /* Disable SAI3 clock gate. */
  293. CLOCK_DisableClock(kCLOCK_Sai3);
  294. /* Set SAI3_CLK_PRED. */
  295. CLOCK_SetDiv(kCLOCK_Sai3PreDiv, 3);
  296. /* Set SAI3_CLK_PODF. */
  297. CLOCK_SetDiv(kCLOCK_Sai3Div, 1);
  298. /* Set Sai3 clock source. */
  299. CLOCK_SetMux(kCLOCK_Sai3Mux, 0);
  300. /* Disable Lpi2c clock gate. */
  301. CLOCK_DisableClock(kCLOCK_Lpi2c1);
  302. CLOCK_DisableClock(kCLOCK_Lpi2c2);
  303. CLOCK_DisableClock(kCLOCK_Lpi2c3);
  304. /* Set LPI2C_CLK_PODF. */
  305. CLOCK_SetDiv(kCLOCK_Lpi2cDiv, 0);
  306. /* Set Lpi2c clock source. */
  307. CLOCK_SetMux(kCLOCK_Lpi2cMux, 0);
  308. /* Disable CAN clock gate. */
  309. CLOCK_DisableClock(kCLOCK_Can1);
  310. CLOCK_DisableClock(kCLOCK_Can2);
  311. CLOCK_DisableClock(kCLOCK_Can3);
  312. CLOCK_DisableClock(kCLOCK_Can1S);
  313. CLOCK_DisableClock(kCLOCK_Can2S);
  314. CLOCK_DisableClock(kCLOCK_Can3S);
  315. /* Set CAN_CLK_PODF. */
  316. CLOCK_SetDiv(kCLOCK_CanDiv, 1);
  317. /* Set Can clock source. */
  318. CLOCK_SetMux(kCLOCK_CanMux, 2);
  319. /* Disable UART clock gate. */
  320. CLOCK_DisableClock(kCLOCK_Lpuart1);
  321. CLOCK_DisableClock(kCLOCK_Lpuart2);
  322. CLOCK_DisableClock(kCLOCK_Lpuart3);
  323. CLOCK_DisableClock(kCLOCK_Lpuart4);
  324. CLOCK_DisableClock(kCLOCK_Lpuart5);
  325. CLOCK_DisableClock(kCLOCK_Lpuart6);
  326. CLOCK_DisableClock(kCLOCK_Lpuart7);
  327. CLOCK_DisableClock(kCLOCK_Lpuart8);
  328. /* Set UART_CLK_PODF. */
  329. CLOCK_SetDiv(kCLOCK_UartDiv, 0);
  330. /* Set Uart clock source. */
  331. CLOCK_SetMux(kCLOCK_UartMux, 0);
  332. /* Disable LCDIF clock gate. */
  333. CLOCK_DisableClock(kCLOCK_LcdPixel);
  334. /* Set LCDIF_PRED. */
  335. CLOCK_SetDiv(kCLOCK_LcdifPreDiv, 1);
  336. /* Set LCDIF_CLK_PODF. */
  337. CLOCK_SetDiv(kCLOCK_LcdifDiv, 3);
  338. /* Set Lcdif pre clock source. */
  339. CLOCK_SetMux(kCLOCK_LcdifPreMux, 5);
  340. /* Disable SPDIF clock gate. */
  341. CLOCK_DisableClock(kCLOCK_Spdif);
  342. /* Set SPDIF0_CLK_PRED. */
  343. CLOCK_SetDiv(kCLOCK_Spdif0PreDiv, 1);
  344. /* Set SPDIF0_CLK_PODF. */
  345. CLOCK_SetDiv(kCLOCK_Spdif0Div, 7);
  346. /* Set Spdif clock source. */
  347. CLOCK_SetMux(kCLOCK_SpdifMux, 3);
  348. /* Disable Flexio1 clock gate. */
  349. CLOCK_DisableClock(kCLOCK_Flexio1);
  350. /* Set FLEXIO1_CLK_PRED. */
  351. CLOCK_SetDiv(kCLOCK_Flexio1PreDiv, 1);
  352. /* Set FLEXIO1_CLK_PODF. */
  353. CLOCK_SetDiv(kCLOCK_Flexio1Div, 7);
  354. /* Set Flexio1 clock source. */
  355. CLOCK_SetMux(kCLOCK_Flexio1Mux, 3);
  356. /* Disable Flexio2 clock gate. */
  357. CLOCK_DisableClock(kCLOCK_Flexio2);
  358. /* Set FLEXIO2_CLK_PRED. */
  359. CLOCK_SetDiv(kCLOCK_Flexio2PreDiv, 1);
  360. /* Set FLEXIO2_CLK_PODF. */
  361. CLOCK_SetDiv(kCLOCK_Flexio2Div, 7);
  362. /* Set Flexio2 clock source. */
  363. CLOCK_SetMux(kCLOCK_Flexio2Mux, 3);
  364. /* Set Pll3 sw clock source. */
  365. CLOCK_SetMux(kCLOCK_Pll3SwMux, 0);
  366. /* Init ARM PLL. */
  367. CLOCK_InitArmPll(&armPllConfig_BOARD_BootClockRUN);
  368. /* In SDK projects, SDRAM (configured by SEMC) will be initialized in either debug script or dcd.
  369. * With this macro SKIP_SYSCLK_INIT, system pll (selected to be SEMC source clock in SDK projects) will be left unchanged.
  370. * Note: If another clock source is selected for SEMC, user may want to avoid changing that clock as well.*/
  371. #ifndef SKIP_SYSCLK_INIT
  372. #if defined(XIP_BOOT_HEADER_DCD_ENABLE) && (XIP_BOOT_HEADER_DCD_ENABLE == 1)
  373. #warning "SKIP_SYSCLK_INIT should be defined to keep system pll (selected to be SEMC source clock in SDK projects) unchanged."
  374. #endif
  375. /* Init System PLL. */
  376. CLOCK_InitSysPll(&sysPllConfig_BOARD_BootClockRUN);
  377. /* Init System pfd0. */
  378. CLOCK_InitSysPfd(kCLOCK_Pfd0, 27);
  379. /* Init System pfd1. */
  380. CLOCK_InitSysPfd(kCLOCK_Pfd1, 16);
  381. /* Init System pfd2. */
  382. CLOCK_InitSysPfd(kCLOCK_Pfd2, 24);
  383. /* Init System pfd3. */
  384. CLOCK_InitSysPfd(kCLOCK_Pfd3, 16);
  385. #endif
  386. /* In SDK projects, external flash (configured by FLEXSPI) will be initialized by dcd.
  387. * With this macro XIP_EXTERNAL_FLASH, usb1 pll (selected to be FLEXSPI clock source in SDK projects) will be left unchanged.
  388. * Note: If another clock source is selected for FLEXSPI, user may want to avoid changing that clock as well.*/
  389. #if !(defined(XIP_EXTERNAL_FLASH) && (XIP_EXTERNAL_FLASH == 1))
  390. /* Init Usb1 PLL. */
  391. CLOCK_InitUsb1Pll(&usb1PllConfig_BOARD_BootClockRUN);
  392. /* Init Usb1 pfd0. */
  393. CLOCK_InitUsb1Pfd(kCLOCK_Pfd0, 33);
  394. /* Init Usb1 pfd1. */
  395. CLOCK_InitUsb1Pfd(kCLOCK_Pfd1, 16);
  396. /* Init Usb1 pfd2. */
  397. CLOCK_InitUsb1Pfd(kCLOCK_Pfd2, 17);
  398. /* Init Usb1 pfd3. */
  399. CLOCK_InitUsb1Pfd(kCLOCK_Pfd3, 19);
  400. /* Disable Usb1 PLL output for USBPHY1. */
  401. CCM_ANALOG->PLL_USB1 &= ~CCM_ANALOG_PLL_USB1_EN_USB_CLKS_MASK;
  402. #endif
  403. /* DeInit Audio PLL. */
  404. CLOCK_DeinitAudioPll();
  405. /* Bypass Audio PLL. */
  406. CLOCK_SetPllBypass(CCM_ANALOG, kCLOCK_PllAudio, 1);
  407. /* Set divider for Audio PLL. */
  408. CCM_ANALOG->MISC2 &= ~CCM_ANALOG_MISC2_AUDIO_DIV_LSB_MASK;
  409. CCM_ANALOG->MISC2 &= ~CCM_ANALOG_MISC2_AUDIO_DIV_MSB_MASK;
  410. /* Enable Audio PLL output. */
  411. CCM_ANALOG->PLL_AUDIO |= CCM_ANALOG_PLL_AUDIO_ENABLE_MASK;
  412. /* Init Video PLL. */
  413. uint32_t pllVideo;
  414. /* Disable Video PLL output before initial Video PLL. */
  415. CCM_ANALOG->PLL_VIDEO &= ~CCM_ANALOG_PLL_VIDEO_ENABLE_MASK;
  416. /* Bypass PLL first */
  417. CCM_ANALOG->PLL_VIDEO = (CCM_ANALOG->PLL_VIDEO & (~CCM_ANALOG_PLL_VIDEO_BYPASS_CLK_SRC_MASK)) |
  418. CCM_ANALOG_PLL_VIDEO_BYPASS_MASK | CCM_ANALOG_PLL_VIDEO_BYPASS_CLK_SRC(0);
  419. CCM_ANALOG->PLL_VIDEO_NUM = CCM_ANALOG_PLL_VIDEO_NUM_A(0);
  420. CCM_ANALOG->PLL_VIDEO_DENOM = CCM_ANALOG_PLL_VIDEO_DENOM_B(1);
  421. pllVideo = (CCM_ANALOG->PLL_VIDEO & (~(CCM_ANALOG_PLL_VIDEO_DIV_SELECT_MASK | CCM_ANALOG_PLL_VIDEO_POWERDOWN_MASK))) |
  422. CCM_ANALOG_PLL_VIDEO_ENABLE_MASK |CCM_ANALOG_PLL_VIDEO_DIV_SELECT(31);
  423. pllVideo |= CCM_ANALOG_PLL_VIDEO_POST_DIV_SELECT(1);
  424. CCM_ANALOG->MISC2 = (CCM_ANALOG->MISC2 & (~CCM_ANALOG_MISC2_VIDEO_DIV_MASK)) | CCM_ANALOG_MISC2_VIDEO_DIV(3);
  425. CCM_ANALOG->PLL_VIDEO = pllVideo;
  426. while ((CCM_ANALOG->PLL_VIDEO & CCM_ANALOG_PLL_VIDEO_LOCK_MASK) == 0)
  427. {
  428. }
  429. /* Disable bypass for Video PLL. */
  430. CLOCK_SetPllBypass(CCM_ANALOG, kCLOCK_PllVideo, 0);
  431. /* DeInit Enet PLL. */
  432. CLOCK_DeinitEnetPll();
  433. /* Bypass Enet PLL. */
  434. CLOCK_SetPllBypass(CCM_ANALOG, kCLOCK_PllEnet, 1);
  435. /* Set Enet output divider. */
  436. CCM_ANALOG->PLL_ENET = (CCM_ANALOG->PLL_ENET & (~CCM_ANALOG_PLL_ENET_DIV_SELECT_MASK)) | CCM_ANALOG_PLL_ENET_DIV_SELECT(1);
  437. /* Enable Enet output. */
  438. CCM_ANALOG->PLL_ENET |= CCM_ANALOG_PLL_ENET_ENABLE_MASK;
  439. /* Set Enet2 output divider. */
  440. CCM_ANALOG->PLL_ENET = (CCM_ANALOG->PLL_ENET & (~CCM_ANALOG_PLL_ENET_ENET2_DIV_SELECT_MASK)) | CCM_ANALOG_PLL_ENET_ENET2_DIV_SELECT(0);
  441. /* Enable Enet2 output. */
  442. CCM_ANALOG->PLL_ENET |= CCM_ANALOG_PLL_ENET_ENET2_REF_EN_MASK;
  443. /* Enable Enet25M output. */
  444. CCM_ANALOG->PLL_ENET |= CCM_ANALOG_PLL_ENET_ENET_25M_REF_EN_MASK;
  445. /* DeInit Usb2 PLL. */
  446. CLOCK_DeinitUsb2Pll();
  447. /* Bypass Usb2 PLL. */
  448. CLOCK_SetPllBypass(CCM_ANALOG, kCLOCK_PllUsb2, 1);
  449. /* Enable Usb2 PLL output. */
  450. CCM_ANALOG->PLL_USB2 |= CCM_ANALOG_PLL_USB2_ENABLE_MASK;
  451. /* Set preperiph clock source. */
  452. CLOCK_SetMux(kCLOCK_PrePeriphMux, 3);
  453. /* Set periph clock source. */
  454. CLOCK_SetMux(kCLOCK_PeriphMux, 0);
  455. /* Set periph clock2 clock source. */
  456. CLOCK_SetMux(kCLOCK_PeriphClk2Mux, 0);
  457. /* Set per clock source. */
  458. CLOCK_SetMux(kCLOCK_PerclkMux, 0);
  459. /* Set lvds1 clock source. */
  460. CCM_ANALOG->MISC1 = (CCM_ANALOG->MISC1 & (~CCM_ANALOG_MISC1_LVDS1_CLK_SEL_MASK)) | CCM_ANALOG_MISC1_LVDS1_CLK_SEL(0);
  461. /* Set clock out1 divider. */
  462. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO1_DIV_MASK)) | CCM_CCOSR_CLKO1_DIV(0);
  463. /* Set clock out1 source. */
  464. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO1_SEL_MASK)) | CCM_CCOSR_CLKO1_SEL(1);
  465. /* Set clock out2 divider. */
  466. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO2_DIV_MASK)) | CCM_CCOSR_CLKO2_DIV(0);
  467. /* Set clock out2 source. */
  468. CCM->CCOSR = (CCM->CCOSR & (~CCM_CCOSR_CLKO2_SEL_MASK)) | CCM_CCOSR_CLKO2_SEL(18);
  469. /* Set clock out1 drives clock out1. */
  470. CCM->CCOSR &= ~CCM_CCOSR_CLK_OUT_SEL_MASK;
  471. /* Disable clock out1. */
  472. CCM->CCOSR &= ~CCM_CCOSR_CLKO1_EN_MASK;
  473. /* Disable clock out2. */
  474. CCM->CCOSR &= ~CCM_CCOSR_CLKO2_EN_MASK;
  475. /* Set SAI1 MCLK1 clock source. */
  476. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk1Sel, 0);
  477. /* Set SAI1 MCLK2 clock source. */
  478. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk2Sel, 0);
  479. /* Set SAI1 MCLK3 clock source. */
  480. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk3Sel, 0);
  481. /* Set SAI2 MCLK3 clock source. */
  482. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI2MClk3Sel, 0);
  483. /* Set SAI3 MCLK3 clock source. */
  484. IOMUXC_SetSaiMClkClockSource(IOMUXC_GPR, kIOMUXC_GPR_SAI3MClk3Sel, 0);
  485. /* Set MQS configuration. */
  486. IOMUXC_MQSConfig(IOMUXC_GPR,kIOMUXC_MqsPwmOverSampleRate32, 0);
  487. /* Set ENET1 Tx clock source. */
  488. IOMUXC_EnableMode(IOMUXC_GPR, kIOMUXC_GPR_ENET1RefClkMode, false);
  489. /* Set ENET2 Tx clock source. */
  490. #if defined(FSL_IOMUXC_DRIVER_VERSION) && (FSL_IOMUXC_DRIVER_VERSION != (MAKE_VERSION(2, 0, 0)))
  491. IOMUXC_EnableMode(IOMUXC_GPR, kIOMUXC_GPR_ENET2RefClkMode, false);
  492. #else
  493. IOMUXC_EnableMode(IOMUXC_GPR, IOMUXC_GPR_GPR1_ENET2_CLK_SEL_MASK, false);
  494. #endif
  495. /* Set GPT1 High frequency reference clock source. */
  496. IOMUXC_GPR->GPR5 &= ~IOMUXC_GPR_GPR5_VREF_1M_CLK_GPT1_MASK;
  497. /* Set GPT2 High frequency reference clock source. */
  498. IOMUXC_GPR->GPR5 &= ~IOMUXC_GPR_GPR5_VREF_1M_CLK_GPT2_MASK;
  499. /* Set SystemCoreClock variable. */
  500. SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK;
  501. }