board/w7o/cmd_vpd.c

   1 /*
   2  * (C) Copyright 2001
   3  * Erik Theisen, Wave 7 Optics, etheisen@mindspring.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 #include <command.h>
  26
  27 #if defined(CONFIG_CMD_BSP)
  28
  29 #include "vpd.h"
  30
  31 /* ======================================================================
  32  * Interpreter command to retrieve board specific Vital Product Data, "VPD"
  33  * ======================================================================
  34  */
  35 int do_vpd (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
  36 {
  37         VPD vpd;                        /* Board specific data struct */
  38         uchar dev_addr = CONFIG_SYS_DEF_EEPROM_ADDR;
  39
  40         /* Validate usage */
  41         if (argc > 2)
  42                 return cmd_usage(cmdtp);
  43
  44         /* Passed in EEPROM address */
  45         if (argc == 2)
  46                 dev_addr = (uchar) simple_strtoul (argv[1], NULL, 16);
  47
  48         /* Read VPD and output it */
  49         if (!vpd_get_data (dev_addr, &vpd)) {
  50                 vpd_print (&vpd);
  51                 return 0;
  52         }
  53
  54         return 1;
  55 }
  56
  57 U_BOOT_CMD(
  58           vpd,  2,      1,      do_vpd,
  59           "Read Vital Product Data",
  60           "[dev_addr]\n"
  61           "        - Read VPD Data from default address, or device address 'dev_addr'."
  62 );
  63
  64 #endif