cmd/gettime.c

   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 );