22 lines
357 B
C
22 lines
357 B
C
/*
|
|
* Copyright (C) 2021 Intel Corporation.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <common/ticks.h>
|
|
#include <common/delay.h>
|
|
|
|
void udelay(uint32_t us)
|
|
{
|
|
uint64_t end, delta;
|
|
|
|
/* Calculate number of ticks to wait */
|
|
delta = us_to_ticks(us);
|
|
end = cpu_ticks() + delta;
|
|
|
|
/* Loop until time expired */
|
|
while (cpu_ticks() < end) {
|
|
}
|
|
}
|