LXR uboot/board/w7o/cmd

   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 */
  35int 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
  57U_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
  65