X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=common%2Fcmd_nand.c;h=7bd37de78dee9e717f4c521c2eeaa51fe2825de3;hb=47fc18f1e72ef1fc68a179c2b674a4c58646afc9;hp=2f705212262aa9e5cd981f9b0c8f093acbd32f35;hpb=ed01c4f59ddda1cb898d86c1ac0945c756ab88c2;p=people%2Fms%2Fu-boot.git diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 2f70521226..7bd37de78d 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -4,24 +4,23 @@ * (c) 1999 Machine Vision Holdings, Inc. * (c) 1999, 2000 David Woodhouse * + * 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 - */ - -#include - - -#ifndef CONFIG_NAND_LEGACY -/* - * - * New NAND support * + * Copyright 2010 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 #include - -#if defined(CONFIG_CMD_NAND) - #include #include #include @@ -31,17 +30,23 @@ #if defined(CONFIG_CMD_MTDPARTS) -/* parition handling routines */ +/* 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) +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; + + if (repeat) + off = last + nand->writesize; + + last = off; datbuf = malloc(nand->writesize + nand->oobsize); oobbuf = malloc(nand->oobsize); @@ -93,74 +98,132 @@ static int nand_dump(nand_info_t *nand, ulong off, int only_oob) /* ------------------------------------------------------------------------- */ -static inline int str2long(char *p, ulong *num) +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; +} + +static inline int str2off(const char *p, loff_t *num) +{ + char *endptr; + + *num = simple_strtoull(p, &endptr, 16); + return *p != '\0' && *endptr == '\0'; +} + +static inline int str2long(const char *p, ulong *num) { char *endptr; *num = simple_strtoul(p, &endptr, 16); - return (*p != '\0' && *endptr == '\0') ? 1 : 0; + return *p != '\0' && *endptr == '\0'; } -static int -arg_off_size(int argc, char *argv[], nand_info_t *nand, ulong *off, size_t *size) +static int get_part(const char *partname, int *idx, loff_t *off, loff_t *size) { - int idx = nand_curr_device; -#if defined(CONFIG_CMD_MTDPARTS) +#ifdef CONFIG_CMD_MTDPARTS struct mtd_device *dev; struct part_info *part; u8 pnum; + int ret; - if (argc >= 1 && !(str2long(argv[0], off))) { - if ((mtdparts_init() == 0) && - (find_dev_and_part(argv[0], &dev, &pnum, &part) == 0)) { - if (dev->id->type != MTD_DEV_TYPE_NAND) { - puts("not a NAND device\n"); - return -1; - } - *off = part->offset; - if (argc >= 2) { - if (!(str2long(argv[1], (ulong *)size))) { - printf("'%s' is not a number\n", argv[1]); - return -1; - } - if (*size > part->size) - *size = part->size; - } else { - *size = part->size; - } - idx = dev->id->num; - *nand = nand_info[idx]; - goto out; - } + ret = mtdparts_init(); + if (ret) + return ret; + + ret = find_dev_and_part(partname, &dev, &pnum, &part); + if (ret) + return ret; + + if (dev->id->type != MTD_DEV_TYPE_NAND) { + puts("not a NAND device\n"); + return -1; } + + *off = part->offset; + *size = part->size; + *idx = dev->id->num; + + ret = set_dev(*idx); + if (ret) + return ret; + + return 0; +#else + puts("offset is not a number\n"); + return -1; #endif +} - if (argc >= 1) { - if (!(str2long(argv[0], off))) { - printf("'%s' is not a number\n", argv[0]); - return -1; - } - } else { +static int arg_off(const char *arg, int *idx, loff_t *off, loff_t *maxsize) +{ + if (!str2off(arg, off)) + return get_part(arg, idx, off, maxsize); + + if (*off >= nand_info[*idx].size) { + puts("Offset exceeds device limit\n"); + return -1; + } + + *maxsize = nand_info[*idx].size - *off; + return 0; +} + +static int arg_off_size(int argc, char *const argv[], int *idx, + loff_t *off, loff_t *size) +{ + int ret; + loff_t maxsize; + + if (argc == 0) { *off = 0; + *size = nand_info[*idx].size; + goto print; } - if (argc >= 2) { - if (!(str2long(argv[1], (ulong *)size))) { - printf("'%s' is not a number\n", argv[1]); - return -1; - } - } else { - *size = nand->size - *off; + ret = arg_off(argv[0], idx, off, &maxsize); + if (ret) + return ret; + + if (argc == 1) { + *size = maxsize; + goto print; } -#if defined(CONFIG_CMD_MTDPARTS) -out: -#endif - printf("device %d ", idx); - if (*size == nand->size) + if (!str2off(argv[1], size)) { + printf("'%s' is not a number\n", argv[1]); + return -1; + } + + if (*size > maxsize) { + puts("Size exceeds partition or device limit\n"); + return -1; + } + +print: + printf("device %d ", *idx); + if (*size == nand_info[*idx].size) puts("whole chip\n"); else - printf("offset 0x%lx, size 0x%zx\n", *off, *size); + printf("offset 0x%llx, size 0x%llx\n", + (unsigned long long)*off, (unsigned long long)*size); return 0; } @@ -205,6 +268,100 @@ static void do_nand_status(nand_info_t *nand) } #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; + + if (arg_off(argv[2], &idx, &addr, &maxsize)) { + 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_usage(cmdtp); +} + +#endif + static void nand_print_info(int idx) { nand_info_t *nand = &nand_info[idx]; @@ -216,11 +373,11 @@ static void nand_print_info(int idx) nand->name, nand->erasesize >> 10); } -int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { - int i, dev, ret = 0; - ulong addr, off; - size_t size; + int i, ret = 0; + ulong addr; + loff_t off, size; char *cmd, *s; nand_info_t *nand; #ifdef CONFIG_SYS_NAND_QUIET @@ -229,6 +386,8 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) 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) @@ -239,6 +398,10 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) cmd = argv[1]; + /* Only "dump" is repeatable. */ + if (repeat && strcmp(cmd, "dump")) + return 0; + if (strcmp(cmd, "info") == 0) { putc('\n'); @@ -250,56 +413,45 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } if (strcmp(cmd, "device") == 0) { - if (argc < 3) { putc('\n'); - if ((nand_curr_device < 0) || - (nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE)) + if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE) puts("no devices available\n"); else - nand_print_info(nand_curr_device); + nand_print_info(dev); return 0; } - dev = (int)simple_strtoul(argv[2], NULL, 10); - if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[dev].name) { - puts("No such device\n"); - return 1; - } - 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 - /* - * Select the chip in the board/cpu specific driver - */ - board_nand_select_device(nand_info[dev].priv, dev); -#endif + dev = (int)simple_strtoul(argv[2], NULL, 10); + set_dev(dev); return 0; } - if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 && - strncmp(cmd, "dump", 4) != 0 && - strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 && - strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 && - strcmp(cmd, "biterr") != 0 && - strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 ) - goto usage; +#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 */ - if (nand_curr_device < 0 || nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE || - !nand_info[nand_curr_device].name) { + /* 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[nand_curr_device]; + nand = &nand_info[dev]; if (strcmp(cmd, "bad") == 0) { - printf("\nDevice %d bad blocks:\n", nand_curr_device); + printf("\nDevice %d bad blocks:\n", dev); for (off = 0; off < nand->size; off += nand->erasesize) if (nand_block_isbad(nand, off)) - printf(" %08lx\n", off); + printf(" %08llx\n", (unsigned long long)off); return 0; } @@ -308,23 +460,52 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) * 0 1 2 3 4 * nand erase [clean] [off size] */ - if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) { + 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 o = clean ? 3 : 2; - int scrub = !strcmp(cmd, "scrub"); + int scrub = !strncmp(cmd, "scrub", 5); + int part = 0; + int chip = 0; + int spread = 0; + int args = 2; + + if (cmd[5] != 0) { + if (!strcmp(&cmd[5], ".spread")) { + spread = 1; + } else if (!strcmp(&cmd[5], ".part")) { + part = 1; + args = 1; + } else if (!strcmp(&cmd[5], ".chip")) { + chip = 1; + args = 0; + } else { + goto usage; + } + } - printf("\nNAND %s: ", scrub ? "scrub" : "erase"); + /* + * 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 (arg_off_size(argc - o, argv + o, nand, &off, &size) != 0) + if (arg_off_size(argc - o, argv + o, &dev, &off, &size) != 0) 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) { puts("Warning: " @@ -339,8 +520,14 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) "are sure of what you are doing!\n" "\nReally scrub this NAND flash? \n"); - if (getc() == 'y' && getc() == '\r') { - opts.scrub = 1; + if (getc() == 'y') { + puts("y"); + if (getc() == '\r') + opts.scrub = 1; + else { + puts("scrub aborted\n"); + return -1; + } } else { puts("scrub aborted\n"); return -1; @@ -356,19 +543,14 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) if (argc < 3) goto usage; - s = strchr(cmd, '.'); off = (int)simple_strtoul(argv[2], NULL, 16); - - if (s != NULL && strcmp(s, ".oob") == 0) - ret = nand_dump(nand, off, 1); - else - ret = nand_dump(nand, off, 0); + 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; int read; if (argc < 4) @@ -378,23 +560,34 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */ printf("\nNAND %s: ", read ? "read" : "write"); - if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0) + if (arg_off_size(argc - 3, argv + 3, &dev, &off, &size) != 0) return 1; + nand = &nand_info[dev]; + rwsize = size; + s = strchr(cmd, '.'); if (!s || !strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i")) { if (read) - ret = nand_read_skip_bad(nand, off, &size, + ret = nand_read_skip_bad(nand, off, &rwsize, (u_char *)addr); else - ret = nand_write_skip_bad(nand, off, &size, - (u_char *)addr); + ret = nand_write_skip_bad(nand, off, &rwsize, + (u_char *)addr, 0); +#ifdef CONFIG_CMD_NAND_YAFFS + } else if (!strcmp(s, ".yaffs")) { + if (read) { + printf("Unknown nand command suffix '%s'.\n", s); + return 1; + } + ret = nand_write_skip_bad(nand, off, &rwsize, (u_char *)addr, 1); +#endif } else if (!strcmp(s, ".oob")) { /* out-of-band data */ mtd_oob_ops_t ops = { .oobbuf = (u8 *)addr, - .ooblen = size, + .ooblen = rwsize, .mode = MTD_OOB_RAW }; @@ -407,7 +600,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) return 1; } - printf(" %zu bytes %s: %s\n", size, + printf(" %zu bytes %s: %s\n", rwsize, read ? "read" : "written", ret ? "ERROR" : "OK"); return ret == 0 ? 0 : 1; @@ -468,10 +661,10 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } if (strcmp(cmd, "unlock") == 0) { - if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0) + if (arg_off_size(argc - 2, argv + 2, &dev, &off, &size) < 0) return 1; - if (!nand_unlock(nand, off, size)) { + if (!nand_unlock(&nand_info[dev], off, size)) { puts("NAND flash successfully unlocked\n"); } else { puts("Error unlocking NAND flash, " @@ -483,11 +676,11 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) #endif usage: - cmd_usage(cmdtp); - return 1; + return cmd_usage(cmdtp); } -U_BOOT_CMD(nand, CONFIG_SYS_MAXARGS, 1, do_nand, +U_BOOT_CMD( + nand, CONFIG_SYS_MAXARGS, 1, do_nand, "NAND sub-system", "info - show available NAND devices\n" "nand device [dev] - show or set current device\n" @@ -495,11 +688,21 @@ U_BOOT_CMD(nand, CONFIG_SYS_MAXARGS, 1, do_nand, "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 erase [clean] [off size] - erase 'size' bytes from\n" - " offset 'off' (entire device if not specified)\n" +#ifdef CONFIG_CMD_NAND_YAFFS + "nand write.yaffs - addr off|partition size\n" + " write 'size' bytes starting at offset 'off' with yaffs format\n" + " from memory address 'addr', skipping bad blocks.\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" - "nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n" + "nand scrub 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 @@ -508,6 +711,13 @@ U_BOOT_CMD(nand, CONFIG_SYS_MAXARGS, 1, do_nand, " bring nand to lock state or display locked pages\n" "nand unlock [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 ); static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, @@ -592,7 +802,6 @@ static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, /* Check if we should attempt an auto-start */ if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) { char *local_args[2]; - extern int do_bootm(cmd_tbl_t *, int, int, char *[]); local_args[0] = cmd; local_args[1] = NULL; @@ -605,7 +814,7 @@ static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, return 0; } -int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { char *boot_device = NULL; int idx; @@ -658,9 +867,8 @@ int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) #if defined(CONFIG_CMD_MTDPARTS) usage: #endif - cmd_usage(cmdtp); show_boot_progress(-53); - return 1; + return cmd_usage(cmdtp); } show_boot_progress(53); @@ -687,415 +895,3 @@ U_BOOT_CMD(nboot, 4, 1, do_nandboot, "boot from NAND device", "[partition] | [[[loadAddr] dev] offset]" ); -#endif - -#else /* CONFIG_NAND_LEGACY */ -/* - * - * Legacy NAND support - to be phased out - * - */ -#include -#include -#include -#include - -#ifdef CONFIG_show_boot_progress -# include -# define show_boot_progress(arg) show_boot_progress(arg) -#else -# define show_boot_progress(arg) -#endif - -#if defined(CONFIG_CMD_NAND) -#include -#if 0 -#include -#include -#endif - -#ifdef CONFIG_OMAP1510 -void archflashwp(void *archdata, int wp); -#endif - -#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) - -#undef NAND_DEBUG -#undef PSYCHO_DEBUG - -/* ****************** WARNING ********************* - * When ALLOW_ERASE_BAD_DEBUG is non-zero the erase command will - * erase (or at least attempt to erase) blocks that are marked - * bad. This can be very handy if you are _sure_ that the block - * is OK, say because you marked a good block bad to test bad - * block handling and you are done testing, or if you have - * accidentally marked blocks bad. - * - * Erasing factory marked bad blocks is a _bad_ idea. If the - * erase succeeds there is no reliable way to find them again, - * and attempting to program or erase bad blocks can affect - * the data in _other_ (good) blocks. - */ -#define ALLOW_ERASE_BAD_DEBUG 0 - -#define CONFIG_MTD_NAND_ECC /* enable ECC */ -#define CONFIG_MTD_NAND_ECC_JFFS2 - -/* bits for nand_legacy_rw() `cmd'; or together as needed */ -#define NANDRW_READ 0x01 -#define NANDRW_WRITE 0x00 -#define NANDRW_JFFS2 0x02 -#define NANDRW_JFFS2_SKIP 0x04 - -/* - * Imports from nand_legacy.c - */ -extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE]; -extern int curr_device; -extern int nand_legacy_erase(struct nand_chip *nand, size_t ofs, - size_t len, int clean); -extern int nand_legacy_rw(struct nand_chip *nand, int cmd, size_t start, - size_t len, size_t *retlen, u_char *buf); -extern void nand_print(struct nand_chip *nand); -extern void nand_print_bad(struct nand_chip *nand); -extern int nand_read_oob(struct nand_chip *nand, size_t ofs, - size_t len, size_t *retlen, u_char *buf); -extern int nand_write_oob(struct nand_chip *nand, size_t ofs, - size_t len, size_t *retlen, const u_char *buf); - - -int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) -{ - int rcode = 0; - - switch (argc) { - case 0: - case 1: - cmd_usage(cmdtp); - return 1; - case 2: - if (strcmp (argv[1], "info") == 0) { - int i; - - putc ('\n'); - - for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; ++i) { - if (nand_dev_desc[i].ChipID == - NAND_ChipID_UNKNOWN) - continue; /* list only known devices */ - printf ("Device %d: ", i); - nand_print (&nand_dev_desc[i]); - } - return 0; - - } else if (strcmp (argv[1], "device") == 0) { - if ((curr_device < 0) - || (curr_device >= CONFIG_SYS_MAX_NAND_DEVICE)) { - puts ("\nno devices available\n"); - return 1; - } - printf ("\nDevice %d: ", curr_device); - nand_print (&nand_dev_desc[curr_device]); - return 0; - - } else if (strcmp (argv[1], "bad") == 0) { - if ((curr_device < 0) - || (curr_device >= CONFIG_SYS_MAX_NAND_DEVICE)) { - puts ("\nno devices available\n"); - return 1; - } - printf ("\nDevice %d bad blocks:\n", curr_device); - nand_print_bad (&nand_dev_desc[curr_device]); - return 0; - - } - cmd_usage(cmdtp); - return 1; - case 3: - if (strcmp (argv[1], "device") == 0) { - int dev = (int) simple_strtoul (argv[2], NULL, 10); - - printf ("\nDevice %d: ", dev); - if (dev >= CONFIG_SYS_MAX_NAND_DEVICE) { - puts ("unknown device\n"); - return 1; - } - nand_print (&nand_dev_desc[dev]); - /*nand_print (dev); */ - - if (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN) { - return 1; - } - - curr_device = dev; - - puts ("... is now current device\n"); - - return 0; - } else if (strcmp (argv[1], "erase") == 0 - && strcmp (argv[2], "clean") == 0) { - struct nand_chip *nand = &nand_dev_desc[curr_device]; - ulong off = 0; - ulong size = nand->totlen; - int ret; - - printf ("\nNAND erase: device %d offset %ld, size %ld ... ", curr_device, off, size); - - ret = nand_legacy_erase (nand, off, size, 1); - - printf ("%s\n", ret ? "ERROR" : "OK"); - - return ret; - } - - cmd_usage(cmdtp); - return 1; - default: - /* at least 4 args */ - - if (strncmp (argv[1], "read", 4) == 0 || - strncmp (argv[1], "write", 5) == 0) { - ulong addr = simple_strtoul (argv[2], NULL, 16); - off_t off = simple_strtoul (argv[3], NULL, 16); - size_t size = simple_strtoul (argv[4], NULL, 16); - int cmd = (strncmp (argv[1], "read", 4) == 0) ? - NANDRW_READ : NANDRW_WRITE; - size_t total; - int ret; - char *cmdtail = strchr (argv[1], '.'); - - if (cmdtail && !strncmp (cmdtail, ".oob", 2)) { - /* read out-of-band data */ - if (cmd & NANDRW_READ) { - ret = nand_read_oob (nand_dev_desc + curr_device, - off, size, &total, - (u_char *) addr); - } else { - ret = nand_write_oob (nand_dev_desc + curr_device, - off, size, &total, - (u_char *) addr); - } - return ret; - } else if (cmdtail && !strncmp (cmdtail, ".jffs2s", 7)) { - cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ - if (cmd & NANDRW_READ) - cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ - } else if (cmdtail && !strncmp (cmdtail, ".jffs2", 2)) - cmd |= NANDRW_JFFS2; /* skip bad blocks */ -#ifdef SXNI855T - /* need ".e" same as ".j" for compatibility with older units */ - else if (cmdtail && !strcmp (cmdtail, ".e")) - cmd |= NANDRW_JFFS2; /* skip bad blocks */ -#endif -#ifdef CONFIG_SYS_NAND_SKIP_BAD_DOT_I - /* need ".i" same as ".jffs2s" for compatibility with older units (esd) */ - /* ".i" for image -> read skips bad block (no 0xff) */ - else if (cmdtail && !strcmp (cmdtail, ".i")) { - cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ - if (cmd & NANDRW_READ) - cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ - } -#endif /* CONFIG_SYS_NAND_SKIP_BAD_DOT_I */ - else if (cmdtail) { - cmd_usage(cmdtp); - return 1; - } - - printf ("\nNAND %s: device %d offset %ld, size %lu ...\n", - (cmd & NANDRW_READ) ? "read" : "write", - curr_device, off, (ulong)size); - - ret = nand_legacy_rw (nand_dev_desc + curr_device, - cmd, off, size, - &total, (u_char *) addr); - - printf (" %d bytes %s: %s\n", total, - (cmd & NANDRW_READ) ? "read" : "written", - ret ? "ERROR" : "OK"); - - return ret; - } else if (strcmp (argv[1], "erase") == 0 && - (argc == 4 || strcmp ("clean", argv[2]) == 0)) { - int clean = argc == 5; - ulong off = - simple_strtoul (argv[2 + clean], NULL, 16); - ulong size = - simple_strtoul (argv[3 + clean], NULL, 16); - int ret; - - printf ("\nNAND erase: device %d offset %ld, size %ld ...\n", - curr_device, off, size); - - ret = nand_legacy_erase (nand_dev_desc + curr_device, - off, size, clean); - - printf ("%s\n", ret ? "ERROR" : "OK"); - - return ret; - } else { - cmd_usage(cmdtp); - rcode = 1; - } - - return rcode; - } -} - -U_BOOT_CMD( - nand, 5, 1, do_nand, - "legacy NAND sub-system", - "info - show available NAND devices\n" - "nand device [dev] - show or set current device\n" - "nand read[.jffs2[s]] addr off size\n" - "nand write[.jffs2] addr off size - read/write `size' bytes starting\n" - " at offset `off' to/from memory address `addr'\n" - "nand erase [clean] [off size] - erase `size' bytes from\n" - " offset `off' (entire device if not specified)\n" - "nand bad - show bad blocks\n" - "nand read.oob addr off size - read out-of-band data\n" - "nand write.oob addr off size - read out-of-band data" -); - -int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - char *boot_device = NULL; - char *ep; - int dev; - ulong cnt; - ulong addr; - ulong offset = 0; - image_header_t *hdr; - int rcode = 0; -#if defined(CONFIG_FIT) - const void *fit_hdr = NULL; -#endif - - show_boot_progress (52); - 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: - cmd_usage(cmdtp); - show_boot_progress (-53); - return 1; - } - - show_boot_progress (53); - if (!boot_device) { - puts ("\n** No boot device **\n"); - show_boot_progress (-54); - return 1; - } - show_boot_progress (54); - - dev = simple_strtoul(boot_device, &ep, 16); - - if ((dev >= CONFIG_SYS_MAX_NAND_DEVICE) || - (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN)) { - printf ("\n** Device %d not available\n", dev); - show_boot_progress (-55); - return 1; - } - show_boot_progress (55); - - printf ("\nLoading from device %d: %s at 0x%lx (offset 0x%lx)\n", - dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR, - offset); - - if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, offset, - SECTORSIZE, NULL, (u_char *)addr)) { - printf ("** Read error on %d\n", dev); - show_boot_progress (-56); - return 1; - } - show_boot_progress (56); - - switch (genimg_get_format ((void *)addr)) { - case IMAGE_FORMAT_LEGACY: - hdr = (image_header_t *)addr; - image_print_contents (hdr); - - cnt = image_get_image_size (hdr); - cnt -= SECTORSIZE; - break; -#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: - show_boot_progress (-57); - puts ("** Unknown image type\n"); - return 1; - } - show_boot_progress (57); - - if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, - offset + SECTORSIZE, cnt, NULL, - (u_char *)(addr+SECTORSIZE))) { - printf ("** Read error on %d\n", dev); - show_boot_progress (-58); - return 1; - } - show_boot_progress (58); - -#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)) { - show_boot_progress (-150); - puts ("** Bad FIT image format\n"); - return 1; - } - show_boot_progress (151); - fit_print_contents (fit_hdr); - } -#endif - - /* Loading ok, update default load address */ - - load_addr = addr; - - /* Check if we should attempt an auto-start */ - if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { - char *local_args[2]; - extern int do_bootm (cmd_tbl_t *, int, int, char *[]); - - local_args[0] = argv[0]; - local_args[1] = NULL; - - printf ("Automatic boot of image at addr 0x%08lx ...\n", addr); - - do_bootm (cmdtp, 0, 1, local_args); - rcode = 1; - } - return rcode; -} - -U_BOOT_CMD( - nboot, 4, 1, do_nandboot, - "boot from NAND device", - "loadAddr dev" -); - -#endif - -#endif /* CONFIG_NAND_LEGACY */