pussuw commented on code in PR #12353:
URL: https://github.com/apache/nuttx/pull/12353#discussion_r1601876575


##########
arch/arm64/src/imx9/imx9_boot.c:
##########
@@ -44,19 +44,39 @@
 #include "imx9_gpio.h"
 #include "imx9_lowputc.h"
 
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC  1700000000

Review Comment:
   Another option would be to make the CPU frequency as the kconfig variable 
and use that here. I think the systick timer runs at the same frequency as the 
CPU / Core does



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