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 <mapmem.h> 18 #include <part.h> 19 #include <fat.h> 20 #include <fs.h> 21 22 int do_fat_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 23 { 24 return do_size(cmdtp, flag, argc, argv, FS_TYPE_FAT); 25 } 26 27 U_BOOT_CMD( 28 fatsize, 4, 0, do_fat_size, 29 "determine a file's size", 30 "<interface> <dev[:part]> <filename>\n" 31 " - Find file 'filename' from 'dev' on 'interface'\n" 32 " and determine its size." 33 ); 34 35 int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 36 { 37 return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT); 38 } 39 40 41 U_BOOT_CMD( 42 fatload, 7, 0, do_fat_fsload, 43 "load binary file from a dos filesystem", 44 "<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n" 45 " - Load binary file 'filename' from 'dev' on 'interface'\n" 46 " to address 'addr' from dos filesystem.\n" 47 " 'pos' gives the file position to start loading from.\n" 48 " If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n" 49 " 'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n" 50 " the load stops on end of file.\n" 51 " If either 'pos' or 'bytes' are not aligned to\n" 52 " ARCH_DMA_MINALIGN then a misaligned buffer warning will\n" 53 " be printed and performance will suffer for the load." 54 ); 55 56 static int do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 57 { 58 return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT); 59 } 60 61 U_BOOT_CMD( 62 fatls, 4, 1, do_fat_ls, 63 "list files in a directory (default /)", 64 "<interface> [<dev[:part]>] [directory]\n" 65 " - list files from 'dev' on 'interface' in a 'directory'" 66 ); 67 68 static int do_fat_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, 69 char * const argv[]) 70 { 71 int dev, part; 72 struct blk_desc *dev_desc; 73 disk_partition_t info; 74 75 if (argc < 2) { 76 printf("usage: fatinfo <interface> [<dev[:part]>]\n"); 77 return 0; 78 } 79 80 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1); 81 if (part < 0) 82 return 1; 83 84 dev = dev_desc->devnum; 85 if (fat_set_blk_dev(dev_desc, &info) != 0) { 86 printf("\n** Unable to use %s %d:%d for fatinfo **\n", 87 argv[1], dev, part); 88 return 1; 89 } 90 return file_fat_detectfs(); 91 } 92 93 U_BOOT_CMD( 94 fatinfo, 3, 1, do_fat_fsinfo, 95 "print information about filesystem", 96 "<interface> [<dev[:part]>]\n" 97 " - print information about filesystem from 'dev' on 'interface'" 98 ); 99 100 #ifdef CONFIG_FAT_WRITE 101 static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag, 102 int argc, char * const argv[]) 103 { 104 loff_t size; 105 int ret; 106 unsigned long addr; 107 unsigned long count; 108 struct blk_desc *dev_desc = NULL; 109 disk_partition_t info; 110 int dev = 0; 111 int part = 1; 112 void *buf; 113 114 if (argc < 5) 115 return cmd_usage(cmdtp); 116 117 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1); 118 if (part < 0) 119 return 1; 120 121 dev = dev_desc->devnum; 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 buf = map_sysmem(addr, count); 132 ret = file_fat_write(argv[4], buf, 0, count, &size); 133 unmap_sysmem(buf); 134 if (ret < 0) { 135 printf("\n** Unable to write \"%s\" from %s %d:%d **\n", 136 argv[4], argv[1], dev, part); 137 return 1; 138 } 139 140 printf("%llu bytes written\n", size); 141 142 return 0; 143 } 144 145 U_BOOT_CMD( 146 fatwrite, 6, 0, do_fat_fswrite, 147 "write file into a dos filesystem", 148 "<interface> <dev[:part]> <addr> <filename> <bytes>\n" 149 " - write file 'filename' from the address 'addr' in RAM\n" 150 " to 'dev' on 'interface'" 151 ); 152 #endif 153