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arch/arm/src/imxrt/imxrt_clockconfig.c: Enable TRACE clocks if the divider has been defined in the board's board.h file.

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This commit is contained in:
Dave Marples
2019-07-28 16:28:06 -06:00
committed by Gregory Nutt
parent 970295d0fe
commit 986a9160b9
1 changed files with 14 additions and 0 deletions
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arch/arm/src/imxrt/imxrt_clockconfig.c
+14
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@@ -506,6 +506,20 @@ void imxrt_clockconfig(void)
putreg32(reg, IMXRT_CCM_CBCMR);
#endif
#ifdef IMXRT_TRACE_PODF_DIVIDER
/* Set TRACE clock source to PLL2 PFD0 */
reg = getreg32(IMXRT_CCM_CBCMR);
reg &= ~CCM_CBCMR_TRACE_CLK_SEL_MASK;
reg |= CCM_CBCMR_TRACE_CLK_SEL_PLL2_PFD0;
putreg32(reg, IMXRT_CCM_CBCMR);
reg = getreg32(IMXRT_CCM_CSCDR1);
reg &= ~CCM_CSCDR1_TRACE_PODF_MASK;
reg |= CCM_CSCDR1_TRACE_PODF(CCM_PODF_FROM_DIVISOR(IMXRT_TRACE_PODF_DIVIDER));
putreg32(reg, IMXRT_CCM_CSCDR1);
#endif
#ifdef CONFIG_IMXRT_USDHC
/* Optionally set USDHC1 & 2 to generate clocks from IMXRT_USDHC1_CLK_SELECT */