arch: imxrt: Set the low power mode to 'remain in run mode'

NOTE: now imxrt can wake up from wfi
2020-05-26 21:29:01 +09:00 · 2020-05-26 21:29:01 +09:00 · 8dda796e6a
parent 6a9b3de0bb
commit 8dda796e6a
1 changed files with 6 additions and 0 deletions
--- a/arch/arm/src/imxrt/imxrt_clockconfig.c
+++ b/arch/arm/src/imxrt/imxrt_clockconfig.c
@ -678,5 +678,11 @@ void imxrt_clockconfig(void)
  reg  = getreg32(IMXRT_CCM_CGPR);
  reg |= CCM_CGPR_INT_MEM_CLK_LPM;
  putreg32(reg, IMXRT_CCM_CGPR);
+
+  /* Remain in run mode */
+
+  modifyreg32(IMXRT_CCM_CLPCR,
+              CCM_CLPCR_LPM_MASK,
+              CCM_CLPCR_LPM_RUN);
 #endif
 }