diff options
Diffstat (limited to 'common/cmd_jffs2.c')
| -rw-r--r-- | common/cmd_jffs2.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c new file mode 100644 index 0000000..fc1d9c4 --- /dev/null +++ b/common/cmd_jffs2.c @@ -0,0 +1,179 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Boot support + */ +#include <common.h> +#include <command.h> +#include <cmd_boot.h> +#include <cmd_autoscript.h> +#include <s_record.h> +#include <net.h> + +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) + +#include <jffs2/jffs2.h> +static int part_num=0; + +#ifndef CFG_JFFS_CUSTOM_PART + +static struct part_info part; + +struct part_info* +jffs2_part_info(int part_num) +{ + extern flash_info_t flash_info[]; /* info for FLASH chips */ + int i; + + if(part_num==0){ + + if(part.usr_priv==(void*)1) + return ∂ + + memset(&part, 0, sizeof(part)); + +#if defined(CFG_JFFS2_FIRST_SECTOR) + part.offset = (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR]; +#else + part.offset = (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[0]; +#endif + + /* Figure out flash partition size */ + for (i = CFG_JFFS2_FIRST_BANK; i < CFG_JFFS2_NUM_BANKS+CFG_JFFS2_FIRST_BANK; i++) + part.size += flash_info[i].size; + +#if defined(CFG_JFFS2_FIRST_SECTOR) && (CFG_JFFS2_FIRST_SECTOR > 0) + part.size -= + flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR] - + flash_info[CFG_JFFS2_FIRST_BANK].start[0]; +#endif + + /* unused in current jffs2 loader */ + part.erasesize = 0; + + /* Mark the struct as ready */ + part.usr_priv=(void*)1; + + return ∂ + } + return 0; +} +#endif /* ifndef CFG_JFFS_CUSTOM_PART */ +int +do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + char *filename = "pImage"; + ulong offset = CFG_LOAD_ADDR; + int size; + struct part_info *part; + + if (argc == 2) { + filename = argv[1]; + } + if (argc == 3) { + offset = simple_strtoul(argv[1], NULL, 16); + filename = argv[2]; + } + + if (0 != (part=jffs2_part_info(part_num))){ + + printf("### JFFS2 loading '%s' to 0x%lx\n", filename, offset); + size = jffs2_1pass_load((char *)offset, part, filename); + + if (size > 0) { + char buf[10]; + printf("### JFFS2 load complete: %d bytes loaded to 0x%lx\n", + size, offset); + sprintf(buf, "%x", size); + setenv("filesize", buf); + } else { + printf("### JFFS2 LOAD ERROR<%x> for %s!\n", size, filename); + } + + return !(size > 0); + } + printf("Active partition not valid\n"); + return 0; +} + +int +do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + char *filename = "/"; + int ret; + struct part_info *part; + + if (argc == 2) + filename = argv[1]; + + if (0 != (part=jffs2_part_info(part_num))){ + + ret = jffs2_1pass_ls(jffs2_part_info(part_num), filename); + + return (ret == 1); + } + printf("Active partition not valid\n"); + return 0; +} + +int +do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int ret; + struct part_info *part; + + if (0 != (part=jffs2_part_info(part_num))){ + + ret = jffs2_1pass_info(jffs2_part_info(part_num)); + + return (ret == 1); + } + printf("Active partition not valid\n"); + return 0; +} + +int +do_jffs2_chpart(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int tmp_part; + + if (argc >= 2) { + tmp_part = simple_strtoul(argv[1], NULL, 16); + }else{ + printf("Need partition number in argument list\n"); + return 0; + + } + + if (jffs2_part_info(tmp_part)){ + printf("Partiton changed to %d\n",tmp_part); + part_num=tmp_part; + return 0; + } + + printf("Partition %d is not valid partiton\n",tmp_part); + return 0; + +} +#endif /* CFG_CMD_JFFS2 */ |