--- zzzz-none-000/linux-4.1.38/init/calibrate.c	2017-01-18 18:48:06.000000000 +0000
+++ bcm63-7582-715/linux-4.1.38/init/calibrate.c	2020-11-25 10:06:48.000000000 +0000
@@ -11,6 +11,20 @@
 #include <linux/smp.h>
 #include <linux/percpu.h>
 
+#if defined(CONFIG_BCM_KF_IKOS) && defined(CONFIG_BRCM_IKOS)
+void calibrate_delay(void)
+{
+	printk("IKOS bypassing delay loop calibration, using ");
+#if defined(CONFIG_BCM63138_SIM) || defined(CONFIG_BCM63148_SIM)
+	loops_per_jiffy = 800000;
+#else
+	loops_per_jiffy = 500000;
+#endif
+	printk("%lu.%02lu BogoMIPS\n",
+		loops_per_jiffy/(500000/HZ),
+		(loops_per_jiffy/(5000/HZ)) % 100);
+}
+#else
 unsigned long lpj_fine;
 unsigned long preset_lpj;
 static int __init lpj_setup(char *str)
@@ -313,3 +327,4 @@
 
 	calibration_delay_done();
 }
+#endif