diff options
Diffstat (limited to 'cmd/nand.c')
| -rw-r--r-- | cmd/nand.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/cmd/nand.c b/cmd/nand.c index 2f785deeb7f..b5678b0a008 100644 --- a/cmd/nand.c +++ b/cmd/nand.c @@ -37,6 +37,7 @@ #include <asm/byteorder.h> #include <jffs2/jffs2.h> #include <nand.h> +#include <display_options.h> #include "legacy-mtd-utils.h" @@ -159,7 +160,7 @@ free_memory: } static int nand_dump(struct mtd_info *mtd, ulong off, int only_oob, - int repeat) + int ecc, int repeat) { int i; u_char *datbuf, *oobbuf, *p; @@ -191,39 +192,30 @@ static int nand_dump(struct mtd_info *mtd, ulong off, int only_oob, ops.oobbuf = oobbuf; ops.len = mtd->writesize; ops.ooblen = mtd->oobsize; - ops.mode = MTD_OPS_RAW; + if (ecc) + ops.mode = MTD_OPS_PLACE_OOB; + else + ops.mode = MTD_OPS_RAW; i = mtd_read_oob(mtd, addr, &ops); if (i < 0) { - printf("Error (%d) reading page %08lx\n", i, off); + printf("Error reading page at offset %08lx, %d %s\n", + off, i, i == -EUCLEAN ? "correctable" : + "uncorrectable, dumping raw data"); ret = 1; - goto free_all; } - printf("Page %08lx dump:\n", off); + printf("\nPage at offset %08lx dump:\n", off); if (!only_oob) { - i = mtd->writesize >> 4; + i = mtd->writesize; 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; - } + print_buffer(off, p, 1, i, 16); } - puts("OOB:\n"); - i = mtd->oobsize >> 3; + puts("\nOOB:\n"); + i = mtd->oobsize; 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; - } + print_buffer(0, p, 1, i, 8); -free_all: free(oobbuf); free_dat: free(datbuf); @@ -412,7 +404,7 @@ int do_nand_env_oob(struct cmd_tbl *cmdtp, int argc, char *const argv[]) } ops.datbuf = NULL; - ops.mode = MTD_OOB_AUTO; + ops.mode = MTD_OPS_AUTO_OOB; ops.ooboffs = 0; ops.ooblen = ENV_OFFSET_SIZE; ops.oobbuf = (void *) oob_buf; @@ -708,11 +700,19 @@ static int do_nand(struct cmd_tbl *cmdtp, int flag, int argc, } if (strncmp(cmd, "dump", 4) == 0) { + int only_oob, ecc; + if (argc < 3) goto usage; + only_oob = !strcmp(&cmd[4], ".oob") || !strcmp(&cmd[4], ".ecc.oob") || + !strcmp(&cmd[4], ".oob.ecc"); + + ecc = !strcmp(&cmd[4], ".ecc") || !strcmp(&cmd[4], ".ecc.oob") || + !strcmp(&cmd[4], ".oob.ecc"); + off = (int)hextoul(argv[2], NULL); - ret = nand_dump(mtd, off, !strcmp(&cmd[4], ".oob"), repeat); + ret = nand_dump(mtd, off, only_oob, ecc, repeat); return ret == 0 ? 1 : 0; } @@ -1026,8 +1026,8 @@ U_BOOT_LONGHELP(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 read.raw - addr off|partition [count]\n" - "nand write.raw[.noverify] - addr off|partition [count]\n" + "nand read.raw - addr off|partition [pages]\n" + "nand write.raw[.noverify] - addr off|partition [pages]\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" @@ -1042,7 +1042,7 @@ U_BOOT_LONGHELP(nand, "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 dump[.oob][.ecc] off - dump raw (default) or ecc corrected page at offset\n" #ifdef CONFIG_CMD_NAND_WATCH "nand watch <off> <size> - check an area for bitflips\n" "nand watch.part <part> - check a partition for bitflips\n" |