common/cmd_jffs2.c

   1 /*
   2  * (C) Copyright 2002
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  * (C) Copyright 2002
   5  * Robert Schwebel, Pengutronix, <r.schwebel@pengutronix.de>
   6  * (C) Copyright 2003
   7  * Kai-Uwe Bloem, Auerswald GmbH & Co KG, <linux-development@auerswald.de>
   8  *
   9  * See file CREDITS for list of people who contributed to this
  10  * project.
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License as
  14  * published by the Free Software Foundation; either version 2 of
  15  * the License, or (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  25  * MA 02111-1307 USA
  26  */
  27
  28 /*
  29  * Boot support
  30  */
  31 #include <common.h>
  32 #include <command.h>
  33 #include <s_record.h>
  34 #include <jffs2/load_kernel.h>
  35 #include <net.h>
  36
  37 #if (CONFIG_COMMANDS & CFG_CMD_JFFS2)
  38
  39 #include <cramfs/cramfs_fs.h>
  40
  41 extern int cramfs_check (struct part_info *info);
  42 extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename);
  43 extern int cramfs_ls (struct part_info *info, char *filename);
  44 extern int cramfs_info (struct part_info *info);
  45
  46 static int part_num=0;
  47
  48 #ifndef CFG_JFFS_CUSTOM_PART
  49
  50 static struct part_info part;
  51
  52 #ifndef CONFIG_JFFS2_NAND
  53
  54 struct part_info*
  55 jffs2_part_info(int part_num)
  56 {
  57         extern flash_info_t flash_info[];       /* info for FLASH chips */
  58         int i;
  59
  60         if(part_num==0){
  61
  62                 if(part.usr_priv==(void*)1)
  63                         return &part;
  64
  65                 memset(&part, 0, sizeof(part));
  66
  67 #if defined(CFG_JFFS2_FIRST_SECTOR)
  68                 part.offset = (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR];
  69 #else
  70                 part.offset = (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[0];
  71 #endif
  72
  73                 /* Figure out flash partition size */
  74                 for (i = CFG_JFFS2_FIRST_BANK; i < CFG_JFFS2_NUM_BANKS+CFG_JFFS2_FIRST_BANK; i++)
  75                         part.size += flash_info[i].size;
  76
  77 #if defined(CFG_JFFS2_FIRST_SECTOR) && (CFG_JFFS2_FIRST_SECTOR > 0)
  78                 part.size -=
  79                         flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR] -
  80                         flash_info[CFG_JFFS2_FIRST_BANK].start[0];
  81 #endif
  82
  83                 /* unused in current jffs2 loader */
  84                 part.erasesize = 0;
  85
  86                 /* Mark the struct as ready */
  87                 part.usr_priv=(void*)1;
  88
  89                 return &part;
  90         }
  91         return 0;
  92 }
  93
  94 #else /* CONFIG_JFFS2_NAND */
  95
  96 struct part_info*
  97 jffs2_part_info(int part_num)
  98 {
  99         if(part_num==0){
 100
 101                 if(part.usr_priv==(void*)1)
 102                         return &part;
 103
 104                 memset(&part, 0, sizeof(part));
 105
 106                 part.offset = CONFIG_JFFS2_NAND_OFF;
 107                 part.size = CONFIG_JFFS2_NAND_SIZE; /* the bigger size the slower jffs2 */
 108
 109 #ifndef CONFIG_JFFS2_NAND_DEV
 110 #define CONFIG_JFFS2_NAND_DEV 0
 111 #endif
 112                 /* nand device with the JFFS2 parition plus 1 */
 113                 part.usr_priv = (void*)(CONFIG_JFFS2_NAND_DEV+1);
 114                 return &part;
 115         }
 116         return 0;
 117 }
 118
 119 #endif /* CONFIG_JFFS2_NAND */
 120 #endif /* ifndef CFG_JFFS_CUSTOM_PART */
 121
 122 int
 123 do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 124 {
 125     struct part_info* jffs2_part_info(int);
 126     int jffs2_1pass_load(char *, struct part_info *,const char *);
 127     char *fsname;
 128
 129         char *filename = "uImage";
 130         ulong offset = load_addr;
 131         int size;
 132         struct part_info *part;
 133
 134         if (argc == 2) {
 135                 filename = argv[1];
 136         }
 137         if (argc == 3) {
 138                 offset = simple_strtoul(argv[1], NULL, 16);
 139                 load_addr = offset;
 140                 filename = argv[2];
 141         }
 142
 143         if (0 != (part=jffs2_part_info(part_num))){
 144
 145                 /* check partition type for cramfs */
 146                 fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2");
 147                 printf("### %s loading '%s' to 0x%lx\n", fsname, filename, offset);
 148
 149                 if (cramfs_check(part)) {
 150                         size = cramfs_load ((char *) offset, part, filename);
 151                 } else {
 152                         /* if this is not cramfs assume jffs2 */
 153                         size = jffs2_1pass_load((char *)offset, part, filename);
 154                 }
 155
 156                 if (size > 0) {
 157                         char buf[10];
 158                         printf("### %s load complete: %d bytes loaded to 0x%lx\n",
 159                                 fsname, size, offset);
 160                         sprintf(buf, "%x", size);
 161                         setenv("filesize", buf);
 162                 } else {
 163                         printf("### %s LOAD ERROR<%x> for %s!\n", fsname, size, filename);
 164                 }
 165
 166                 return !(size > 0);
 167         }
 168         puts ("Active partition not valid\n");
 169         return 0;
 170 }
 171
 172 int
 173 do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 174 {
 175    struct part_info* jffs2_part_info(int);
 176    int jffs2_1pass_ls(struct part_info *,char *);
 177
 178    char *filename = "/";
 179         int ret;
 180         struct part_info *part;
 181
 182         if (argc == 2)
 183                 filename = argv[1];
 184
 185         if (0 != (part=jffs2_part_info(part_num))){
 186
 187                 /* check partition type for cramfs */
 188                 if (cramfs_check(part)) {
 189                         ret = cramfs_ls (part, filename);
 190                 } else {
 191                         /* if this is not cramfs assume jffs2 */
 192                         ret = jffs2_1pass_ls(part, filename);
 193                 }
 194
 195                 return (ret == 1);
 196         }
 197         puts ("Active partition not valid\n");
 198         return 0;
 199 }
 200
 201 int
 202 do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 203 {
 204         struct part_info* jffs2_part_info(int);
 205         int jffs2_1pass_info(struct part_info *);
 206         struct part_info *part;
 207         char *fsname;
 208         int ret;
 209
 210         if ((part=jffs2_part_info(part_num))){
 211
 212                 /* check partition type for cramfs */
 213                 fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2");
 214                 printf("### filesystem type is %s\n", fsname);
 215
 216                 if (cramfs_check(part)) {
 217                         ret = cramfs_info (part);
 218                 } else {
 219                         /* if this is not cramfs assume jffs2 */
 220                         ret = jffs2_1pass_info(part);
 221                 }
 222
 223                 return (ret == 1);
 224         }
 225         puts ("Active partition not valid\n");
 226         return 0;
 227 }
 228
 229 int
 230 do_jffs2_chpart(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 231 {
 232         int tmp_part;
 233         char str_part_num[3];
 234    struct part_info* jffs2_part_info(int);
 235
 236    if (argc >= 2) {
 237                 tmp_part = simple_strtoul(argv[1], NULL, 16);
 238         }else{
 239                 puts ("Need partition number in argument list\n");
 240                 return 0;
 241
 242         }
 243
 244         if (jffs2_part_info(tmp_part)){
 245                 printf("Partition changed to %d\n",tmp_part);
 246                 part_num=tmp_part;
 247                 sprintf(str_part_num, "%d", part_num);
 248                 setenv("partition", str_part_num);
 249                 return 0;
 250         }
 251
 252         printf("Partition %d is not valid partiton\n",tmp_part);
 253         return 0;
 254
 255 }
 256
 257 /***************************************************/
 258
 259 U_BOOT_CMD(
 260         fsload, 3,      0,      do_jffs2_fsload,
 261         "fsload\t- load binary file from a filesystem image\n",
 262         "[ off ] [ filename ]\n"
 263         "    - load binary file from flash bank\n"
 264         "      with offset 'off'\n"
 265 );
 266
 267 U_BOOT_CMD(
 268         fsinfo, 1,      1,      do_jffs2_fsinfo,
 269         "fsinfo\t- print information about filesystems\n",
 270         "    - print information about filesystems\n"
 271 );
 272
 273 U_BOOT_CMD(
 274         ls,     2,      1,      do_jffs2_ls,
 275         "ls\t- list files in a directory (default /)\n",
 276         "[ directory ]\n"
 277         "    - list files in a directory.\n"
 278 );
 279
 280 U_BOOT_CMD(
 281         chpart, 2,      0,      do_jffs2_chpart,
 282         "chpart\t- change active partition\n",
 283         "    - change active partition\n"
 284 );
 285
 286 #endif /* CFG_CMD_JFFS2 */