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 <asm/io.h>
  17 #include <part.h>
  18 #include <fat.h>
  19 #include <fs.h>
  20
  21 int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  22 {
  23         return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT);
  24 }
  25
  26
  27 U_BOOT_CMD(
  28         fatload,        7,      0,      do_fat_fsload,
  29         "load binary file from a dos filesystem",
  30         "<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
  31         "    - Load binary file 'filename' from 'dev' on 'interface'\n"
  32         "      to address 'addr' from dos filesystem.\n"
  33         "      'pos' gives the file position to start loading from.\n"
  34         "      If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
  35         "      'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
  36         "      the load stops on end of file.\n"
  37         "      If either 'pos' or 'bytes' are not aligned to\n"
  38         "      ARCH_DMA_MINALIGN then a misaligned buffer warning will\n"
  39         "      be printed and performance will suffer for the load."
  40 );
  41
  42 static int do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  43 {
  44         return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT);
  45 }
  46
  47 U_BOOT_CMD(
  48         fatls,  4,      1,      do_fat_ls,
  49         "list files in a directory (default /)",
  50         "<interface> [<dev[:part]>] [directory]\n"
  51         "    - list files from 'dev' on 'interface' in a 'directory'"
  52 );
  53
  54 static int do_fat_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc,
  55                          char * const argv[])
  56 {
  57         int dev, part;
  58         block_dev_desc_t *dev_desc;
  59         disk_partition_t info;
  60
  61         if (argc < 2) {
  62                 printf("usage: fatinfo <interface> [<dev[:part]>]\n");
  63                 return 0;
  64         }
  65
  66         part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
  67         if (part < 0)
  68                 return 1;
  69
  70         dev = dev_desc->dev;
  71         if (fat_set_blk_dev(dev_desc, &info) != 0) {
  72                 printf("\n** Unable to use %s %d:%d for fatinfo **\n",
  73                         argv[1], dev, part);
  74                 return 1;
  75         }
  76         return file_fat_detectfs();
  77 }
  78
  79 U_BOOT_CMD(
  80         fatinfo,        3,      1,      do_fat_fsinfo,
  81         "print information about filesystem",
  82         "<interface> [<dev[:part]>]\n"
  83         "    - print information about filesystem from 'dev' on 'interface'"
  84 );
  85
  86 #ifdef CONFIG_FAT_WRITE
  87 static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
  88                 int argc, char * const argv[])
  89 {
  90         long size;
  91         unsigned long addr;
  92         unsigned long count;
  93         block_dev_desc_t *dev_desc = NULL;
  94         disk_partition_t info;
  95         int dev = 0;
  96         int part = 1;
  97         void *buf;
  98
  99         if (argc < 5)
 100                 return cmd_usage(cmdtp);
 101
 102         part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
 103         if (part < 0)
 104                 return 1;
 105
 106         dev = dev_desc->dev;
 107
 108         if (fat_set_blk_dev(dev_desc, &info) != 0) {
 109                 printf("\n** Unable to use %s %d:%d for fatwrite **\n",
 110                         argv[1], dev, part);
 111                 return 1;
 112         }
 113         addr = simple_strtoul(argv[3], NULL, 16);
 114         count = simple_strtoul(argv[5], NULL, 16);
 115
 116         buf = map_sysmem(addr, count);
 117         size = file_fat_write(argv[4], buf, count);
 118         unmap_sysmem(buf);
 119         if (size == -1) {
 120                 printf("\n** Unable to write \"%s\" from %s %d:%d **\n",
 121                         argv[4], argv[1], dev, part);
 122                 return 1;
 123         }
 124
 125         printf("%ld bytes written\n", size);
 126
 127         return 0;
 128 }
 129
 130 U_BOOT_CMD(
 131         fatwrite,       6,      0,      do_fat_fswrite,
 132         "write file into a dos filesystem",
 133         "<interface> <dev[:part]> <addr> <filename> <bytes>\n"
 134         "    - write file 'filename' from the address 'addr' in RAM\n"
 135         "      to 'dev' on 'interface'"
 136 );
 137 #endif