common/cmd_fat.c

   1 /*
   2  * (C) Copyright 2002
   3  * Richard Jones, rjones@nexus-tech.net
   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 /*
  25  * Boot support
  26  */
  27 #include <common.h>
  28 #include <command.h>
  29 #include <s_record.h>
  30 #include <net.h>
  31 #include <ata.h>
  32 #include <part.h>
  33 #include <fat.h>
  34 #include <fs.h>
  35
  36 int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  37 {
  38         return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT, 16);
  39 }
  40
  41
  42 U_BOOT_CMD(
  43         fatload,        7,      0,      do_fat_fsload,
  44         "load binary file from a dos filesystem",
  45         "<interface> [<dev[:part]>]  <addr> <filename> [bytes [pos]]\n"
  46         "    - Load binary file 'filename' from 'dev' on 'interface'\n"
  47         "      to address 'addr' from dos filesystem.\n"
  48         "      'pos' gives the file position to start loading from.\n"
  49         "      If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
  50         "      'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
  51         "      the load stops on end of file.\n"
  52         "      If either 'pos' or 'bytes' are not aligned to\n"
  53         "      ARCH_DMA_MINALIGN then a misaligned buffer warning will\n"
  54         "      be printed and performance will suffer for the load.\n"
  55         "      All numeric parameters are assumed to be hex."
  56 );
  57
  58 static int do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  59 {
  60         return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT);
  61 }
  62
  63 U_BOOT_CMD(
  64         fatls,  4,      1,      do_fat_ls,
  65         "list files in a directory (default /)",
  66         "<interface> [<dev[:part]>] [directory]\n"
  67         "    - list files from 'dev' on 'interface' in a 'directory'"
  68 );
  69
  70 static int do_fat_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc,
  71                          char * const argv[])
  72 {
  73         int dev, part;
  74         block_dev_desc_t *dev_desc;
  75         disk_partition_t info;
  76
  77         if (argc < 2) {
  78                 printf("usage: fatinfo <interface> [<dev[:part]>]\n");
  79                 return 0;
  80         }
  81
  82         part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
  83         if (part < 0)
  84                 return 1;
  85
  86         dev = dev_desc->dev;
  87         if (fat_set_blk_dev(dev_desc, &info) != 0) {
  88                 printf("\n** Unable to use %s %d:%d for fatinfo **\n",
  89                         argv[1], dev, part);
  90                 return 1;
  91         }
  92         return file_fat_detectfs();
  93 }
  94
  95 U_BOOT_CMD(
  96         fatinfo,        3,      1,      do_fat_fsinfo,
  97         "print information about filesystem",
  98         "<interface> [<dev[:part]>]\n"
  99         "    - print information about filesystem from 'dev' on 'interface'"
 100 );
 101
 102 #ifdef CONFIG_FAT_WRITE
 103 static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
 104                 int argc, char * const argv[])
 105 {
 106         long size;
 107         unsigned long addr;
 108         unsigned long count;
 109         block_dev_desc_t *dev_desc = NULL;
 110         disk_partition_t info;
 111         int dev = 0;
 112         int part = 1;
 113
 114         if (argc < 5)
 115                 return cmd_usage(cmdtp);
 116
 117         part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
 118         if (part < 0)
 119                 return 1;
 120
 121         dev = dev_desc->dev;
 122
 123         if (fat_set_blk_dev(dev_desc, &info) != 0) {
 124                 printf("\n** Unable to use %s %d:%d for fatwrite **\n",
 125                         argv[1], dev, part);
 126                 return 1;
 127         }
 128         addr = simple_strtoul(argv[3], NULL, 16);
 129         count = simple_strtoul(argv[5], NULL, 16);
 130
 131         size = file_fat_write(argv[4], (void *)addr, count);
 132         if (size == -1) {
 133                 printf("\n** Unable to write \"%s\" from %s %d:%d **\n",
 134                         argv[4], argv[1], dev, part);
 135                 return 1;
 136         }
 137
 138         printf("%ld bytes written\n", size);
 139
 140         return 0;
 141 }
 142
 143 U_BOOT_CMD(
 144         fatwrite,       6,      0,      do_fat_fswrite,
 145         "write file into a dos filesystem",
 146         "<interface> <dev[:part]> <addr> <filename> <bytes>\n"
 147         "    - write file 'filename' from the address 'addr' in RAM\n"
 148         "      to 'dev' on 'interface'"
 149 );
 150 #endif