cpu/nios2/sysid.c

   1 /*
   2  * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
   3  * Scott McNutt <smcnutt@psyent.com>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25
  26 #if defined (CFG_NIOS_SYSID_BASE)
  27
  28 #include <command.h>
  29 #include <asm/io.h>
  30 #include <nios2-io.h>
  31 #include <linux/time.h>
  32
  33 void display_sysid (void)
  34 {
  35         struct nios_sysid_t *sysid = (struct nios_sysid_t *)CFG_NIOS_SYSID_BASE;
  36         struct tm t;
  37         char asc[32];
  38         time_t stamp;
  39
  40         stamp = readl (&sysid->timestamp);
  41         localtime_r (&stamp, &t);
  42         asctime_r (&t, asc);
  43         printf ("SYSID : %08x, %s", readl (&sysid->id), asc);
  44
  45 }
  46
  47 int do_sysid (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  48 {
  49         display_sysid ();
  50         return (0);
  51 }
  52
  53 U_BOOT_CMD(
  54         sysid,  1,      1,      do_sysid,
  55         "sysid   - display Nios-II system id\n\n",
  56         "\n    - display Nios-II system id\n"
  57 );
  58 #endif /* CFG_NIOS_SYSID_BASE */