6b13f685e
 김민수
BSP 최초 추가
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/*
* (C) Copyright 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* Misc functions
*/
#include <common.h>
#include <command.h>
static int do_sleep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
ulong start = get_timer(0);
ulong delay;
if (argc != 2)
return CMD_RET_USAGE;
delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
while (get_timer(start) < delay) {
if (ctrlc())
return (-1);
udelay(100);
}
return 0;
}
U_BOOT_CMD(
sleep , 2, 1, do_sleep,
"delay execution for some time",
"N
"
" - delay execution for N seconds (N is _decimal_ !!!)"
);
#ifdef CONFIG_CMD_TIMER
static int do_timer(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
static ulong start;
if (argc != 2)
return CMD_RET_USAGE;
if (!strcmp(argv[1], "start"))
start = get_timer(0);
if (!strcmp(argv[1], "get")) {
ulong msecs = get_timer(start) * 1000 / CONFIG_SYS_HZ;
printf("%ld.%03d
", msecs / 1000, (int)(msecs % 1000));
}
return 0;
}
U_BOOT_CMD(
timer, 2, 1, do_timer,
"access the system timer",
"start - Reset the timer reference.
"
"timer get - Print the time since 'start'."
);
#endif
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