// SPDX-License-Identifier: GPL-2.0-only/* Copyright Altera Corporation (C) 2014. All rights reserved. */ #include <linux/module.h>#include <asm/delay.h>#include <asm/param.h>#include <asm/processor.h>#include <asm/timex.h> void __delay(unsigned long cycles){	cycles_t start = get_cycles(); 	while ((get_cycles() - start) < cycles)		cpu_relax();}EXPORT_SYMBOL(__delay); void __const_udelay(unsigned long xloops){	u64 loops; 	loops = (u64)xloops * loops_per_jiffy * HZ; 	__delay(loops >> 32);}EXPORT_SYMBOL(__const_udelay); void __udelay(unsigned long usecs){	__const_udelay(usecs * 0x10C7UL); /* 2**32 / 1000000 (rounded up) */}EXPORT_SYMBOL(__udelay); void __ndelay(unsigned long nsecs){	__const_udelay(nsecs * 0x5UL); /* 2**32 / 1000000000 (rounded up) */}EXPORT_SYMBOL(__ndelay);