arch/nios2/cpu/sysid.c

   1 /*
   2  * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
   3  * Scott McNutt <smcnutt@psyent.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9
  10 #if defined (CONFIG_SYS_NIOS_SYSID_BASE)
  11
  12 #include <command.h>
  13 #include <asm/io.h>
  14 #include <nios2-io.h>
  15 #include <linux/time.h>
  16
  17 void display_sysid (void)
  18 {
  19         struct nios_sysid_t *sysid = (struct nios_sysid_t *)CONFIG_SYS_NIOS_SYSID_BASE;
  20         struct tm t;
  21         char asc[32];
  22         time_t stamp;
  23
  24         stamp = readl (&sysid->timestamp);
  25         localtime_r (&stamp, &t);
  26         asctime_r (&t, asc);
  27         printf ("SYSID : %08lx, %s", readl (&sysid->id), asc);
  28
  29 }
  30
  31 int do_sysid (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  32 {
  33         display_sysid ();
  34         return (0);
  35 }
  36
  37 U_BOOT_CMD(
  38         sysid,  1,      1,      do_sysid,
  39         "display Nios-II system id",
  40         ""
  41 );
  42 #endif /* CONFIG_SYS_NIOS_SYSID_BASE */