common/cmd_fat.c

   1 /*
   2  * (C) Copyright 2002
   3  * Richard Jones, rjones@nexus-tech.net
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 /*
   9  * Boot support
  10  */
  11 #include <common.h>
  12 #include <command.h>
  13 #include <s_record.h>
  14 #include <net.h>
  15 #include <ata.h>
  16 #include <part.h>
  17 #include <fat.h>
  18 #include <fs.h>
  19
  20 int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  21 {
  22         return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT);
  23 }
  24
  25
  26 U_BOOT_CMD(
  27         fatload,        7,      0,      do_fat_fsload,
  28         "load binary file from a dos filesystem",
  29         "<interface> [<dev[:part]>]  <addr> <filename> [bytes [pos]]\n"
  30         "    - Load binary file 'filename' from 'dev' on 'interface'\n"
  31         "      to address 'addr' from dos filesystem.\n"
  32         "      'pos' gives the file position to start loading from.\n"
  33         "      If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
  34         "      'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
  35         "      the load stops on end of file.\n"
  36         "      If either 'pos' or 'bytes' are not aligned to\n"
  37         "      ARCH_DMA_MINALIGN then a misaligned buffer warning will\n"
  38         "      be printed and performance will suffer for the load."
  39 );
  40
  41 static int do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  42 {
  43         return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT);
  44 }
  45
  46 U_BOOT_CMD(
  47         fatls,  4,      1,      do_fat_ls,
  48         "list files in a directory (default /)",
  49         "<interface> [<dev[:part]>] [directory]\n"
  50         "    - list files from 'dev' on 'interface' in a 'directory'"
  51 );
  52
  53 static int do_fat_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc,
  54                          char * const argv[])
  55 {
  56         int dev, part;
  57         block_dev_desc_t *dev_desc;
  58         disk_partition_t info;
  59
  60         if (argc < 2) {
  61                 printf("usage: fatinfo <interface> [<dev[:part]>]\n");
  62                 return 0;
  63         }
  64
  65         part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
  66         if (part < 0)
  67                 return 1;
  68
  69         dev = dev_desc->dev;
  70         if (fat_set_blk_dev(dev_desc, &info) != 0) {
  71                 printf("\n** Unable to use %s %d:%d for fatinfo **\n",
  72                         argv[1], dev, part);
  73                 return 1;
  74         }
  75         return file_fat_detectfs();
  76 }
  77
  78 U_BOOT_CMD(
  79         fatinfo,        3,      1,      do_fat_fsinfo,
  80         "print information about filesystem",
  81         "<interface> [<dev[:part]>]\n"
  82         "    - print information about filesystem from 'dev' on 'interface'"
  83 );
  84
  85 #ifdef CONFIG_FAT_WRITE
  86 static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
  87                 int argc, char * const argv[])
  88 {
  89         long size;
  90         unsigned long addr;
  91         unsigned long count;
  92         block_dev_desc_t *dev_desc = NULL;
  93         disk_partition_t info;
  94         int dev = 0;
  95         int part = 1;
  96
  97         if (argc < 5)
  98                 return cmd_usage(cmdtp);
  99
 100         part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
 101         if (part < 0)
 102                 return 1;
 103
 104         dev = dev_desc->dev;
 105
 106         if (fat_set_blk_dev(dev_desc, &info) != 0) {
 107                 printf("\n** Unable to use %s %d:%d for fatwrite **\n",
 108                         argv[1], dev, part);
 109                 return 1;
 110         }
 111         addr = simple_strtoul(argv[3], NULL, 16);
 112         count = simple_strtoul(argv[5], NULL, 16);
 113
 114         size = file_fat_write(argv[4], (void *)addr, count);
 115         if (size == -1) {
 116                 printf("\n** Unable to write \"%s\" from %s %d:%d **\n",
 117                         argv[4], argv[1], dev, part);
 118                 return 1;
 119         }
 120
 121         printf("%ld bytes written\n", size);
 122
 123         return 0;
 124 }
 125
 126 U_BOOT_CMD(
 127         fatwrite,       6,      0,      do_fat_fswrite,
 128         "write file into a dos filesystem",
 129         "<interface> <dev[:part]> <addr> <filename> <bytes>\n"
 130         "    - write file 'filename' from the address 'addr' in RAM\n"
 131         "      to 'dev' on 'interface'"
 132 );
 133 #endif