1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * (C) Copyright 2002 4 * Richard Jones, rjones@nexus-tech.net 5 */ 6 7/* 8 * Boot support 9 */ 10#include <common.h> 11#include <command.h> 12#include <mapmem.h> 13#include <fat.h> 14#include <fs.h> 15#include <part.h> 16#include <asm/cache.h> 17 18int do_fat_size(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) 19{ 20 return do_size(cmdtp, flag, argc, argv, FS_TYPE_FAT); 21} 22 23U_BOOT_CMD( 24 fatsize, 4, 0, do_fat_size, 25 "determine a file's size", 26 "<interface> <dev[:part]> <filename>\n" 27 " - Find file 'filename' from 'dev' on 'interface'\n" 28 " and determine its size." 29); 30 31int do_fat_fsload(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) 32{ 33 return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT); 34} 35 36 37U_BOOT_CMD( 38 fatload, 7, 0, do_fat_fsload, 39 "load binary file from a dos filesystem", 40 "<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n" 41 " - Load binary file 'filename' from 'dev' on 'interface'\n" 42 " to address 'addr' from dos filesystem.\n" 43 " 'pos' gives the file position to start loading from.\n" 44 " If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n" 45 " 'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n" 46 " the load stops on end of file.\n" 47 " If either 'pos' or 'bytes' are not aligned to\n" 48 " ARCH_DMA_MINALIGN then a misaligned buffer warning will\n" 49 " be printed and performance will suffer for the load." 50); 51 52static int do_fat_ls(struct cmd_tbl *cmdtp, int flag, int argc, 53 char *const argv[]) 54{ 55 return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT); 56} 57 58U_BOOT_CMD( 59 fatls, 4, 1, do_fat_ls, 60 "list files in a directory (default /)", 61 "<interface> [<dev[:part]>] [directory]\n" 62 " - list files from 'dev' on 'interface' in a 'directory'" 63); 64 65static int do_fat_fsinfo(struct cmd_tbl *cmdtp, int flag, int argc, 66 char *const argv[]) 67{ 68 int dev, part; 69 struct blk_desc *dev_desc; 70 struct disk_partition info; 71 72 if (argc < 2) { 73 printf("usage: fatinfo <interface> [<dev[:part]>]\n"); 74 return 0; 75 } 76 77 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1); 78 if (part < 0) 79 return 1; 80 81 dev = dev_desc->devnum; 82 if (fat_set_blk_dev(dev_desc, &info) != 0) { 83 printf("\n** Unable to use %s %d:%d for fatinfo **\n", 84 argv[1], dev, part); 85 return 1; 86 } 87 return file_fat_detectfs(); 88} 89 90U_BOOT_CMD( 91 fatinfo, 3, 1, do_fat_fsinfo, 92 "print information about filesystem", 93 "<interface> [<dev[:part]>]\n" 94 " - print information about filesystem from 'dev' on 'interface'" 95); 96 97#ifdef CONFIG_FAT_WRITE 98static int do_fat_fswrite(struct cmd_tbl *cmdtp, int flag, int argc, 99 char *const argv[]) 100{ 101 return do_save(cmdtp, flag, argc, argv, FS_TYPE_FAT); 102} 103 104U_BOOT_CMD( 105 fatwrite, 7, 0, do_fat_fswrite, 106 "write file into a dos filesystem", 107 "<interface> <dev[:part]> <addr> <filename> [<bytes> [<offset>]]\n" 108 " - write file 'filename' from the address 'addr' in RAM\n" 109 " to 'dev' on 'interface'" 110); 111 112static int do_fat_rm(struct cmd_tbl *cmdtp, int flag, int argc, 113 char *const argv[]) 114{ 115 return do_rm(cmdtp, flag, argc, argv, FS_TYPE_FAT); 116} 117 118U_BOOT_CMD( 119 fatrm, 4, 1, do_fat_rm, 120 "delete a file", 121 "<interface> [<dev[:part]>] <filename>\n" 122 " - delete a file from 'dev' on 'interface'" 123); 124 125static int do_fat_mkdir(struct cmd_tbl *cmdtp, int flag, int argc, 126 char *const argv[]) 127{ 128 return do_mkdir(cmdtp, flag, argc, argv, FS_TYPE_FAT); 129} 130 131U_BOOT_CMD( 132 fatmkdir, 4, 1, do_fat_mkdir, 133 "create a directory", 134 "<interface> [<dev[:part]>] <directory>\n" 135 " - create a directory in 'dev' on 'interface'" 136); 137#endif 138