board/w7o/cmd_vpd.c

   1 /*
   2  * (C) Copyright 2001
   3  * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <command.h>
  10
  11 #if defined(CONFIG_CMD_BSP)
  12
  13 #include "vpd.h"
  14
  15 /* ======================================================================
  16  * Interpreter command to retrieve board specific Vital Product Data, "VPD"
  17  * ======================================================================
  18  */
  19 int do_vpd (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
  20 {
  21         VPD vpd;                        /* Board specific data struct */
  22         uchar dev_addr = CONFIG_SYS_DEF_EEPROM_ADDR;
  23
  24         /* Validate usage */
  25         if (argc > 2)
  26                 return cmd_usage(cmdtp);
  27
  28         /* Passed in EEPROM address */
  29         if (argc == 2)
  30                 dev_addr = (uchar) simple_strtoul (argv[1], NULL, 16);
  31
  32         /* Read VPD and output it */
  33         if (!vpd_get_data (dev_addr, &vpd)) {
  34                 vpd_print (&vpd);
  35                 return 0;
  36         }
  37
  38         return 1;
  39 }
  40
  41 U_BOOT_CMD(
  42           vpd,  2,      1,      do_vpd,
  43           "Read Vital Product Data",
  44           "[dev_addr]\n"
  45           "        - Read VPD Data from default address, or device address 'dev_addr'."
  46 );
  47
  48 #endif