xref: /openbmc/u-boot/cmd/gettime.c (revision f91281b1)
1 /*
2  * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
3  *
4  * Copyright (c) 2009, Code Aurora Forum. All rights reserved.
5  *
6  * (C) Copyright 2001
7  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
8  *
9  * SPDX-License-Identifier:	GPL-2.0+
10  */
11 
12 /*
13  * Get Timer overflows after 2^32 / CONFIG_SYS_HZ (32Khz) = 131072 sec
14  */
15 #include <common.h>
16 #include <command.h>
17 
18 static int do_gettime(cmd_tbl_t *cmdtp, int flag, int argc,
19 		      char * const argv[])
20 {
21 	unsigned long int val = get_timer(0);
22 
23 #ifdef CONFIG_SYS_HZ
24 	printf("Timer val: %lu\n", val);
25 	printf("Seconds : %lu\n", val / CONFIG_SYS_HZ);
26 	printf("Remainder : %lu\n", val % CONFIG_SYS_HZ);
27 	printf("sys_hz = %lu\n", (unsigned long int)CONFIG_SYS_HZ);
28 #else
29 	printf("CONFIG_SYS_HZ not defined");
30 	printf("Timer Val %lu", val);
31 #endif
32 
33 	return 0;
34 }
35 
36 U_BOOT_CMD(
37 	gettime,	1,	1,	do_gettime,
38 	"get timer val elapsed",
39 	"get time elapsed from uboot start"
40 );
41