--- zzzz-none-000/linux-4.1.38/arch/arm64/lib/delay.c	2017-01-18 18:48:06.000000000 +0000
+++ bcm63-7582-715/linux-4.1.38/arch/arm64/lib/delay.c	2020-11-25 10:06:48.000000000 +0000
@@ -37,7 +37,16 @@
 {
 	unsigned long loops;
 
+#ifdef CONFIG_BCM_KF_ARM64_BCM963XX
+#if !defined(CONFIG_BRCM_IKOS)
+	// lpj_fine initialized in time_init() for bcm arm64
+	loops = xloops * lpj_fine * HZ;
+#else
+    loops = xloops * loops_per_jiffy * HZ;
+#endif
+#else
 	loops = xloops * loops_per_jiffy * HZ;
+#endif
 	__delay(loops >> 32);
 }
 EXPORT_SYMBOL(__const_udelay);