diff options
Diffstat (limited to 'common/cmd_nand.c')
| -rw-r--r-- | common/cmd_nand.c | 973 |
1 files changed, 0 insertions, 973 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c deleted file mode 100644 index a6b67e2..0000000 --- a/common/cmd_nand.c +++ /dev/null @@ -1,973 +0,0 @@ -/* - * Driver for NAND support, Rick Bronson - * borrowed heavily from: - * (c) 1999 Machine Vision Holdings, Inc. - * (c) 1999, 2000 David Woodhouse <dwmw2@infradead.org> - * - * Ported 'dynenv' to 'nand env.oob' command - * (C) 2010 Nanometrics, Inc. - * 'dynenv' -- Dynamic environment offset in NAND OOB - * (C) Copyright 2006-2007 OpenMoko, Inc. - * Added 16-bit nand support - * (C) 2004 Texas Instruments - * - * Copyright 2010, 2012 Freescale Semiconductor - * The portions of this file whose copyright is held by Freescale and which - * are not considered a derived work of GPL v2-only code may be distributed - * and/or modified 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. - */ - -#include <common.h> -#include <linux/mtd/mtd.h> -#include <command.h> -#include <console.h> -#include <watchdog.h> -#include <malloc.h> -#include <asm/byteorder.h> -#include <jffs2/jffs2.h> -#include <nand.h> - -#if defined(CONFIG_CMD_MTDPARTS) - -/* partition handling routines */ -int mtdparts_init(void); -int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num); -int find_dev_and_part(const char *id, struct mtd_device **dev, - u8 *part_num, struct part_info **part); -#endif - -static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat) -{ - int i; - u_char *datbuf, *oobbuf, *p; - static loff_t last; - int ret = 0; - - if (repeat) - off = last + nand->writesize; - - last = off; - - datbuf = memalign(ARCH_DMA_MINALIGN, nand->writesize); - if (!datbuf) { - puts("No memory for page buffer\n"); - return 1; - } - - oobbuf = memalign(ARCH_DMA_MINALIGN, nand->oobsize); - if (!oobbuf) { - puts("No memory for page buffer\n"); - ret = 1; - goto free_dat; - } - off &= ~(nand->writesize - 1); - loff_t addr = (loff_t) off; - struct mtd_oob_ops ops; - memset(&ops, 0, sizeof(ops)); - ops.datbuf = datbuf; - ops.oobbuf = oobbuf; - ops.len = nand->writesize; - ops.ooblen = nand->oobsize; - ops.mode = MTD_OPS_RAW; - i = mtd_read_oob(nand, addr, &ops); - if (i < 0) { - printf("Error (%d) reading page %08lx\n", i, off); - ret = 1; - goto free_all; - } - printf("Page %08lx dump:\n", off); - - if (!only_oob) { - i = nand->writesize >> 4; - p = datbuf; - - while (i--) { - printf("\t%02x %02x %02x %02x %02x %02x %02x %02x" - " %02x %02x %02x %02x %02x %02x %02x %02x\n", - p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], - p[8], p[9], p[10], p[11], p[12], p[13], p[14], - p[15]); - p += 16; - } - } - - puts("OOB:\n"); - i = nand->oobsize >> 3; - p = oobbuf; - while (i--) { - printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n", - p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); - p += 8; - } - -free_all: - free(oobbuf); -free_dat: - free(datbuf); - - return ret; -} - -/* ------------------------------------------------------------------------- */ - -static int set_dev(int dev) -{ - if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || - !nand_info[dev].name) { - puts("No such device\n"); - return -1; - } - - if (nand_curr_device == dev) - return 0; - - printf("Device %d: %s", dev, nand_info[dev].name); - puts("... is now current device\n"); - nand_curr_device = dev; - -#ifdef CONFIG_SYS_NAND_SELECT_DEVICE - board_nand_select_device(nand_info[dev].priv, dev); -#endif - - return 0; -} - -#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK -static void print_status(ulong start, ulong end, ulong erasesize, int status) -{ - /* - * Micron NAND flash (e.g. MT29F4G08ABADAH4) BLOCK LOCK READ STATUS is - * not the same as others. Instead of bit 1 being lock, it is - * #lock_tight. To make the driver support either format, ignore bit 1 - * and use only bit 0 and bit 2. - */ - printf("%08lx - %08lx: %08lx blocks %s%s%s\n", - start, - end - 1, - (end - start) / erasesize, - ((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""), - (!(status & NAND_LOCK_STATUS_UNLOCK) ? "LOCK " : ""), - ((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : "")); -} - -static void do_nand_status(nand_info_t *nand) -{ - ulong block_start = 0; - ulong off; - int last_status = -1; - - struct nand_chip *nand_chip = nand->priv; - /* check the WP bit */ - nand_chip->cmdfunc(nand, NAND_CMD_STATUS, -1, -1); - printf("device is %swrite protected\n", - (nand_chip->read_byte(nand) & 0x80 ? - "NOT " : "")); - - for (off = 0; off < nand->size; off += nand->erasesize) { - int s = nand_get_lock_status(nand, off); - - /* print message only if status has changed */ - if (s != last_status && off != 0) { - print_status(block_start, off, nand->erasesize, - last_status); - block_start = off; - } - last_status = s; - } - /* Print the last block info */ - print_status(block_start, off, nand->erasesize, last_status); -} -#endif - -#ifdef CONFIG_ENV_OFFSET_OOB -unsigned long nand_env_oob_offset; - -int do_nand_env_oob(cmd_tbl_t *cmdtp, int argc, char *const argv[]) -{ - int ret; - uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)]; - nand_info_t *nand = &nand_info[0]; - char *cmd = argv[1]; - - if (CONFIG_SYS_MAX_NAND_DEVICE == 0 || !nand->name) { - puts("no devices available\n"); - return 1; - } - - set_dev(0); - - if (!strcmp(cmd, "get")) { - ret = get_nand_env_oob(nand, &nand_env_oob_offset); - if (ret) - return 1; - - printf("0x%08lx\n", nand_env_oob_offset); - } else if (!strcmp(cmd, "set")) { - loff_t addr; - loff_t maxsize; - struct mtd_oob_ops ops; - int idx = 0; - - if (argc < 3) - goto usage; - - /* We don't care about size, or maxsize. */ - if (mtd_arg_off(argv[2], &idx, &addr, &maxsize, &maxsize, - MTD_DEV_TYPE_NAND, nand_info[idx].size)) { - puts("Offset or partition name expected\n"); - return 1; - } - if (set_dev(idx)) { - puts("Offset or partition name expected\n"); - return 1; - } - - if (idx != 0) { - puts("Partition not on first NAND device\n"); - return 1; - } - - if (nand->oobavail < ENV_OFFSET_SIZE) { - printf("Insufficient available OOB bytes:\n" - "%d OOB bytes available but %d required for " - "env.oob support\n", - nand->oobavail, ENV_OFFSET_SIZE); - return 1; - } - - if ((addr & (nand->erasesize - 1)) != 0) { - printf("Environment offset must be block-aligned\n"); - return 1; - } - - ops.datbuf = NULL; - ops.mode = MTD_OOB_AUTO; - ops.ooboffs = 0; - ops.ooblen = ENV_OFFSET_SIZE; - ops.oobbuf = (void *) oob_buf; - - oob_buf[0] = ENV_OOB_MARKER; - oob_buf[1] = addr / nand->erasesize; - - ret = nand->write_oob(nand, ENV_OFFSET_SIZE, &ops); - if (ret) { - printf("Error writing OOB block 0\n"); - return ret; - } - - ret = get_nand_env_oob(nand, &nand_env_oob_offset); - if (ret) { - printf("Error reading env offset in OOB\n"); - return ret; - } - - if (addr != nand_env_oob_offset) { - printf("Verification of env offset in OOB failed: " - "0x%08llx expected but got 0x%08lx\n", - (unsigned long long)addr, nand_env_oob_offset); - return 1; - } - } else { - goto usage; - } - - return ret; - -usage: - return CMD_RET_USAGE; -} - -#endif - -static void nand_print_and_set_info(int idx) -{ - nand_info_t *nand = &nand_info[idx]; - struct nand_chip *chip = nand->priv; - - printf("Device %d: ", idx); - if (chip->numchips > 1) - printf("%dx ", chip->numchips); - printf("%s, sector size %u KiB\n", - nand->name, nand->erasesize >> 10); - printf(" Page size %8d b\n", nand->writesize); - printf(" OOB size %8d b\n", nand->oobsize); - printf(" Erase size %8d b\n", nand->erasesize); - printf(" subpagesize %8d b\n", chip->subpagesize); - printf(" options 0x%8x\n", chip->options); - printf(" bbt options 0x%8x\n", chip->bbt_options); - - /* Set geometry info */ - setenv_hex("nand_writesize", nand->writesize); - setenv_hex("nand_oobsize", nand->oobsize); - setenv_hex("nand_erasesize", nand->erasesize); -} - -static int raw_access(nand_info_t *nand, ulong addr, loff_t off, ulong count, - int read) -{ - int ret = 0; - - while (count--) { - /* Raw access */ - mtd_oob_ops_t ops = { - .datbuf = (u8 *)addr, - .oobbuf = ((u8 *)addr) + nand->writesize, - .len = nand->writesize, - .ooblen = nand->oobsize, - .mode = MTD_OPS_RAW - }; - - if (read) { - ret = mtd_read_oob(nand, off, &ops); - } else { - ret = mtd_write_oob(nand, off, &ops); - if (!ret) - ret = nand_verify_page_oob(nand, &ops, off); - } - - if (ret) { - printf("%s: error at offset %llx, ret %d\n", - __func__, (long long)off, ret); - break; - } - - addr += nand->writesize + nand->oobsize; - off += nand->writesize; - } - - return ret; -} - -/* Adjust a chip/partition size down for bad blocks so we don't - * read/write past the end of a chip/partition by accident. - */ -static void adjust_size_for_badblocks(loff_t *size, loff_t offset, int dev) -{ - /* We grab the nand info object here fresh because this is usually - * called after arg_off_size() which can change the value of dev. - */ - nand_info_t *nand = &nand_info[dev]; - loff_t maxoffset = offset + *size; - int badblocks = 0; - - /* count badblocks in NAND from offset to offset + size */ - for (; offset < maxoffset; offset += nand->erasesize) { - if (nand_block_isbad(nand, offset)) - badblocks++; - } - /* adjust size if any bad blocks found */ - if (badblocks) { - *size -= badblocks * nand->erasesize; - printf("size adjusted to 0x%llx (%d bad blocks)\n", - (unsigned long long)*size, badblocks); - } -} - -static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - int i, ret = 0; - ulong addr; - loff_t off, size, maxsize; - char *cmd, *s; - nand_info_t *nand; -#ifdef CONFIG_SYS_NAND_QUIET - int quiet = CONFIG_SYS_NAND_QUIET; -#else - int quiet = 0; -#endif - const char *quiet_str = getenv("quiet"); - int dev = nand_curr_device; - int repeat = flag & CMD_FLAG_REPEAT; - - /* at least two arguments please */ - if (argc < 2) - goto usage; - - if (quiet_str) - quiet = simple_strtoul(quiet_str, NULL, 0) != 0; - - cmd = argv[1]; - - /* Only "dump" is repeatable. */ - if (repeat && strcmp(cmd, "dump")) - return 0; - - if (strcmp(cmd, "info") == 0) { - - putc('\n'); - for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) { - if (nand_info[i].name) - nand_print_and_set_info(i); - } - return 0; - } - - if (strcmp(cmd, "device") == 0) { - if (argc < 3) { - putc('\n'); - if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE) - puts("no devices available\n"); - else - nand_print_and_set_info(dev); - return 0; - } - - dev = (int)simple_strtoul(argv[2], NULL, 10); - set_dev(dev); - - return 0; - } - -#ifdef CONFIG_ENV_OFFSET_OOB - /* this command operates only on the first nand device */ - if (strcmp(cmd, "env.oob") == 0) - return do_nand_env_oob(cmdtp, argc - 1, argv + 1); -#endif - - /* The following commands operate on the current device, unless - * overridden by a partition specifier. Note that if somehow the - * current device is invalid, it will have to be changed to a valid - * one before these commands can run, even if a partition specifier - * for another device is to be used. - */ - if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || - !nand_info[dev].name) { - puts("\nno devices available\n"); - return 1; - } - nand = &nand_info[dev]; - - if (strcmp(cmd, "bad") == 0) { - printf("\nDevice %d bad blocks:\n", dev); - for (off = 0; off < nand->size; off += nand->erasesize) - if (nand_block_isbad(nand, off)) - printf(" %08llx\n", (unsigned long long)off); - return 0; - } - - /* - * Syntax is: - * 0 1 2 3 4 - * nand erase [clean] [off size] - */ - if (strncmp(cmd, "erase", 5) == 0 || strncmp(cmd, "scrub", 5) == 0) { - nand_erase_options_t opts; - /* "clean" at index 2 means request to write cleanmarker */ - int clean = argc > 2 && !strcmp("clean", argv[2]); - int scrub_yes = argc > 2 && !strcmp("-y", argv[2]); - int o = (clean || scrub_yes) ? 3 : 2; - int scrub = !strncmp(cmd, "scrub", 5); - int spread = 0; - int args = 2; - const char *scrub_warn = - "Warning: " - "scrub option will erase all factory set bad blocks!\n" - " " - "There is no reliable way to recover them.\n" - " " - "Use this command only for testing purposes if you\n" - " " - "are sure of what you are doing!\n" - "\nReally scrub this NAND flash? <y/N>\n"; - - if (cmd[5] != 0) { - if (!strcmp(&cmd[5], ".spread")) { - spread = 1; - } else if (!strcmp(&cmd[5], ".part")) { - args = 1; - } else if (!strcmp(&cmd[5], ".chip")) { - args = 0; - } else { - goto usage; - } - } - - /* - * Don't allow missing arguments to cause full chip/partition - * erases -- easy to do accidentally, e.g. with a misspelled - * variable name. - */ - if (argc != o + args) - goto usage; - - printf("\nNAND %s: ", cmd); - /* skip first two or three arguments, look for offset and size */ - if (mtd_arg_off_size(argc - o, argv + o, &dev, &off, &size, - &maxsize, MTD_DEV_TYPE_NAND, - nand_info[dev].size) != 0) - return 1; - - if (set_dev(dev)) - return 1; - - nand = &nand_info[dev]; - - memset(&opts, 0, sizeof(opts)); - opts.offset = off; - opts.length = size; - opts.jffs2 = clean; - opts.quiet = quiet; - opts.spread = spread; - - if (scrub) { - if (scrub_yes) { - opts.scrub = 1; - } else { - puts(scrub_warn); - if (confirm_yesno()) { - opts.scrub = 1; - } else { - puts("scrub aborted\n"); - return 1; - } - } - } - ret = nand_erase_opts(nand, &opts); - printf("%s\n", ret ? "ERROR" : "OK"); - - return ret == 0 ? 0 : 1; - } - - if (strncmp(cmd, "dump", 4) == 0) { - if (argc < 3) - goto usage; - - off = (int)simple_strtoul(argv[2], NULL, 16); - ret = nand_dump(nand, off, !strcmp(&cmd[4], ".oob"), repeat); - - return ret == 0 ? 1 : 0; - } - - if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) { - size_t rwsize; - ulong pagecount = 1; - int read; - int raw = 0; - - if (argc < 4) - goto usage; - - addr = (ulong)simple_strtoul(argv[2], NULL, 16); - - read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */ - printf("\nNAND %s: ", read ? "read" : "write"); - - s = strchr(cmd, '.'); - - if (s && !strcmp(s, ".raw")) { - raw = 1; - - if (mtd_arg_off(argv[3], &dev, &off, &size, &maxsize, - MTD_DEV_TYPE_NAND, - nand_info[dev].size)) - return 1; - - if (set_dev(dev)) - return 1; - - nand = &nand_info[dev]; - - if (argc > 4 && !str2long(argv[4], &pagecount)) { - printf("'%s' is not a number\n", argv[4]); - return 1; - } - - if (pagecount * nand->writesize > size) { - puts("Size exceeds partition or device limit\n"); - return -1; - } - - rwsize = pagecount * (nand->writesize + nand->oobsize); - } else { - if (mtd_arg_off_size(argc - 3, argv + 3, &dev, &off, - &size, &maxsize, - MTD_DEV_TYPE_NAND, - nand_info[dev].size) != 0) - return 1; - - if (set_dev(dev)) - return 1; - - /* size is unspecified */ - if (argc < 5) - adjust_size_for_badblocks(&size, off, dev); - rwsize = size; - } - - nand = &nand_info[dev]; - - if (!s || !strcmp(s, ".jffs2") || - !strcmp(s, ".e") || !strcmp(s, ".i")) { - if (read) - ret = nand_read_skip_bad(nand, off, &rwsize, - NULL, maxsize, - (u_char *)addr); - else - ret = nand_write_skip_bad(nand, off, &rwsize, - NULL, maxsize, - (u_char *)addr, - WITH_WR_VERIFY); -#ifdef CONFIG_CMD_NAND_TRIMFFS - } else if (!strcmp(s, ".trimffs")) { - if (read) { - printf("Unknown nand command suffix '%s'\n", s); - return 1; - } - ret = nand_write_skip_bad(nand, off, &rwsize, NULL, - maxsize, (u_char *)addr, - WITH_DROP_FFS | WITH_WR_VERIFY); -#endif - } else if (!strcmp(s, ".oob")) { - /* out-of-band data */ - mtd_oob_ops_t ops = { - .oobbuf = (u8 *)addr, - .ooblen = rwsize, - .mode = MTD_OPS_RAW - }; - - if (read) - ret = mtd_read_oob(nand, off, &ops); - else - ret = mtd_write_oob(nand, off, &ops); - } else if (raw) { - ret = raw_access(nand, addr, off, pagecount, read); - } else { - printf("Unknown nand command suffix '%s'.\n", s); - return 1; - } - - printf(" %zu bytes %s: %s\n", rwsize, - read ? "read" : "written", ret ? "ERROR" : "OK"); - - return ret == 0 ? 0 : 1; - } - -#ifdef CONFIG_CMD_NAND_TORTURE - if (strcmp(cmd, "torture") == 0) { - if (argc < 3) - goto usage; - - if (!str2off(argv[2], &off)) { - puts("Offset is not a valid number\n"); - return 1; - } - - printf("\nNAND torture: device %d offset 0x%llx size 0x%x\n", - dev, off, nand->erasesize); - ret = nand_torture(nand, off); - printf(" %s\n", ret ? "Failed" : "Passed"); - - return ret == 0 ? 0 : 1; - } -#endif - - if (strcmp(cmd, "markbad") == 0) { - argc -= 2; - argv += 2; - - if (argc <= 0) - goto usage; - - while (argc > 0) { - addr = simple_strtoul(*argv, NULL, 16); - - if (mtd_block_markbad(nand, addr)) { - printf("block 0x%08lx NOT marked " - "as bad! ERROR %d\n", - addr, ret); - ret = 1; - } else { - printf("block 0x%08lx successfully " - "marked as bad\n", - addr); - } - --argc; - ++argv; - } - return ret; - } - - if (strcmp(cmd, "biterr") == 0) { - /* todo */ - return 1; - } - -#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK - if (strcmp(cmd, "lock") == 0) { - int tight = 0; - int status = 0; - if (argc == 3) { - if (!strcmp("tight", argv[2])) - tight = 1; - if (!strcmp("status", argv[2])) - status = 1; - } - if (status) { - do_nand_status(nand); - } else { - if (!nand_lock(nand, tight)) { - puts("NAND flash successfully locked\n"); - } else { - puts("Error locking NAND flash\n"); - return 1; - } - } - return 0; - } - - if (strncmp(cmd, "unlock", 5) == 0) { - int allexcept = 0; - - s = strchr(cmd, '.'); - - if (s && !strcmp(s, ".allexcept")) - allexcept = 1; - - if (mtd_arg_off_size(argc - 2, argv + 2, &dev, &off, &size, - &maxsize, MTD_DEV_TYPE_NAND, - nand_info[dev].size) < 0) - return 1; - - if (set_dev(dev)) - return 1; - - if (!nand_unlock(&nand_info[dev], off, size, allexcept)) { - puts("NAND flash successfully unlocked\n"); - } else { - puts("Error unlocking NAND flash, " - "write and erase will probably fail\n"); - return 1; - } - return 0; - } -#endif - -usage: - return CMD_RET_USAGE; -} - -#ifdef CONFIG_SYS_LONGHELP -static char nand_help_text[] = - "info - show available NAND devices\n" - "nand device [dev] - show or set current device\n" - "nand read - addr off|partition size\n" - "nand write - addr off|partition size\n" - " read/write 'size' bytes starting at offset 'off'\n" - " to/from memory address 'addr', skipping bad blocks.\n" - "nand read.raw - addr off|partition [count]\n" - "nand write.raw - addr off|partition [count]\n" - " Use read.raw/write.raw to avoid ECC and access the flash as-is.\n" -#ifdef CONFIG_CMD_NAND_TRIMFFS - "nand write.trimffs - addr off|partition size\n" - " write 'size' bytes starting at offset 'off' from memory address\n" - " 'addr', skipping bad blocks and dropping any pages at the end\n" - " of eraseblocks that contain only 0xFF\n" -#endif - "nand erase[.spread] [clean] off size - erase 'size' bytes " - "from offset 'off'\n" - " With '.spread', erase enough for given file size, otherwise,\n" - " 'size' includes skipped bad blocks.\n" - "nand erase.part [clean] partition - erase entire mtd partition'\n" - "nand erase.chip [clean] - erase entire chip'\n" - "nand bad - show bad blocks\n" - "nand dump[.oob] off - dump page\n" -#ifdef CONFIG_CMD_NAND_TORTURE - "nand torture off - torture block at offset\n" -#endif - "nand scrub [-y] off size | scrub.part partition | scrub.chip\n" - " really clean NAND erasing bad blocks (UNSAFE)\n" - "nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n" - "nand biterr off - make a bit error at offset (UNSAFE)" -#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK - "\n" - "nand lock [tight] [status]\n" - " bring nand to lock state or display locked pages\n" - "nand unlock[.allexcept] [offset] [size] - unlock section" -#endif -#ifdef CONFIG_ENV_OFFSET_OOB - "\n" - "nand env.oob - environment offset in OOB of block 0 of" - " first device.\n" - "nand env.oob set off|partition - set enviromnent offset\n" - "nand env.oob get - get environment offset" -#endif - ""; -#endif - -U_BOOT_CMD( - nand, CONFIG_SYS_MAXARGS, 1, do_nand, - "NAND sub-system", nand_help_text -); - -static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, - ulong offset, ulong addr, char *cmd) -{ - int r; - char *s; - size_t cnt; -#if defined(CONFIG_IMAGE_FORMAT_LEGACY) - image_header_t *hdr; -#endif -#if defined(CONFIG_FIT) - const void *fit_hdr = NULL; -#endif - - s = strchr(cmd, '.'); - if (s != NULL && - (strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) { - printf("Unknown nand load suffix '%s'\n", s); - bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX); - return 1; - } - - printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset); - - cnt = nand->writesize; - r = nand_read_skip_bad(nand, offset, &cnt, NULL, nand->size, - (u_char *)addr); - if (r) { - puts("** Read error\n"); - bootstage_error(BOOTSTAGE_ID_NAND_HDR_READ); - return 1; - } - bootstage_mark(BOOTSTAGE_ID_NAND_HDR_READ); - - switch (genimg_get_format ((void *)addr)) { -#if defined(CONFIG_IMAGE_FORMAT_LEGACY) - case IMAGE_FORMAT_LEGACY: - hdr = (image_header_t *)addr; - - bootstage_mark(BOOTSTAGE_ID_NAND_TYPE); - image_print_contents (hdr); - - cnt = image_get_image_size (hdr); - break; -#endif -#if defined(CONFIG_FIT) - case IMAGE_FORMAT_FIT: - fit_hdr = (const void *)addr; - puts ("Fit image detected...\n"); - - cnt = fit_get_size (fit_hdr); - break; -#endif - default: - bootstage_error(BOOTSTAGE_ID_NAND_TYPE); - puts ("** Unknown image type\n"); - return 1; - } - bootstage_mark(BOOTSTAGE_ID_NAND_TYPE); - - r = nand_read_skip_bad(nand, offset, &cnt, NULL, nand->size, - (u_char *)addr); - if (r) { - puts("** Read error\n"); - bootstage_error(BOOTSTAGE_ID_NAND_READ); - return 1; - } - bootstage_mark(BOOTSTAGE_ID_NAND_READ); - -#if defined(CONFIG_FIT) - /* This cannot be done earlier, we need complete FIT image in RAM first */ - if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) { - if (!fit_check_format (fit_hdr)) { - bootstage_error(BOOTSTAGE_ID_NAND_FIT_READ); - puts ("** Bad FIT image format\n"); - return 1; - } - bootstage_mark(BOOTSTAGE_ID_NAND_FIT_READ_OK); - fit_print_contents (fit_hdr); - } -#endif - - /* Loading ok, update default load address */ - - load_addr = addr; - - return bootm_maybe_autostart(cmdtp, cmd); -} - -static int do_nandboot(cmd_tbl_t *cmdtp, int flag, int argc, - char * const argv[]) -{ - char *boot_device = NULL; - int idx; - ulong addr, offset = 0; -#if defined(CONFIG_CMD_MTDPARTS) - struct mtd_device *dev; - struct part_info *part; - u8 pnum; - - if (argc >= 2) { - char *p = (argc == 2) ? argv[1] : argv[2]; - if (!(str2long(p, &addr)) && (mtdparts_init() == 0) && - (find_dev_and_part(p, &dev, &pnum, &part) == 0)) { - if (dev->id->type != MTD_DEV_TYPE_NAND) { - puts("Not a NAND device\n"); - return 1; - } - if (argc > 3) - goto usage; - if (argc == 3) - addr = simple_strtoul(argv[1], NULL, 16); - else - addr = CONFIG_SYS_LOAD_ADDR; - return nand_load_image(cmdtp, &nand_info[dev->id->num], - part->offset, addr, argv[0]); - } - } -#endif - - bootstage_mark(BOOTSTAGE_ID_NAND_PART); - switch (argc) { - case 1: - addr = CONFIG_SYS_LOAD_ADDR; - boot_device = getenv("bootdevice"); - break; - case 2: - addr = simple_strtoul(argv[1], NULL, 16); - boot_device = getenv("bootdevice"); - break; - case 3: - addr = simple_strtoul(argv[1], NULL, 16); - boot_device = argv[2]; - break; - case 4: - addr = simple_strtoul(argv[1], NULL, 16); - boot_device = argv[2]; - offset = simple_strtoul(argv[3], NULL, 16); - break; - default: -#if defined(CONFIG_CMD_MTDPARTS) -usage: -#endif - bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX); - return CMD_RET_USAGE; - } - bootstage_mark(BOOTSTAGE_ID_NAND_SUFFIX); - - if (!boot_device) { - puts("\n** No boot device **\n"); - bootstage_error(BOOTSTAGE_ID_NAND_BOOT_DEVICE); - return 1; - } - bootstage_mark(BOOTSTAGE_ID_NAND_BOOT_DEVICE); - - idx = simple_strtoul(boot_device, NULL, 16); - - if (idx < 0 || idx >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[idx].name) { - printf("\n** Device %d not available\n", idx); - bootstage_error(BOOTSTAGE_ID_NAND_AVAILABLE); - return 1; - } - bootstage_mark(BOOTSTAGE_ID_NAND_AVAILABLE); - - return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]); -} - -U_BOOT_CMD(nboot, 4, 1, do_nandboot, - "boot from NAND device", - "[partition] | [[[loadAddr] dev] offset]" -); |