1 /*
2  * Copyright (C) 2021 Intel Corporation.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <common/ticks.h>
8 #include <common/delay.h>
9 
udelay(uint32_t us)10 void udelay(uint32_t us)
11 {
12 	uint64_t end, delta;
13 
14 	/* Calculate number of ticks to wait */
15 	delta = us_to_ticks(us);
16 	end = cpu_ticks() + delta;
17 
18 	/* Loop until time expired */
19 	while (cpu_ticks() < end) {
20 	}
21 }
22