diff options
Diffstat (limited to 'common')
-rw-r--r-- | common/cmd_nand.c | 110 |
1 files changed, 58 insertions, 52 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c index f825234a7c..339d82b5da 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -35,7 +35,7 @@ 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); + u8 *part_num, struct part_info **part); #endif static int nand_dump_oob(nand_info_t *nand, ulong off) @@ -340,7 +340,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) opts.length = size; opts.offset = off; opts.quiet = quiet; -// ret = nand_read_opts(nand, &opts); +/* ret = nand_read_opts(nand, &opts); */ } else { /* write */ mtd_oob_ops_t opts; @@ -406,44 +406,48 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } if (status) { -// ulong block_start = 0; ulong off; -// int last_status = -1; - +/* ulong block_start = 0; + 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 " : "" ) ); + "NOT " : "")); for (off = 0; off < nand->size; off += nand->writesize) { -// int s = nand_get_lock_status(nand, off); -// -// /* print message only if status has changed -// * or at end of chip -// */ -// if (off == nand->size - nand->writesize -// || (s != last_status && off != 0)) { -// -// printf("%08lx - %08lx: %8d pages %s%s%s\n", -// block_start, -// off-1, -// (off-block_start)/nand->writesize, -// ((last_status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""), -// ((last_status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""), -// ((last_status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : "")); -// } -// -// last_status = s; +#if 0 /* must be fixed */ + int s = nand_get_lock_status(nand, off); + + /* print message only if status has changed + * or at end of chip + */ + if (off == nand->size - nand->writesize + || (s != last_status && off != 0)) { + + printf("%08lx - %08lx: %8d pages %s%s%s\n", + block_start, + off-1, + (off-block_start)/nand->writesize, + ((last_status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""), + ((last_status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""), + ((last_status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : "")); + } + + last_status = s; +#endif } } else { -// if (!nand_lock(nand, tight)) { -// puts("NAND flash successfully locked\n"); -// } else { -// puts("Error locking NAND flash\n"); -// return 1; -// } +#if 0 /* must be fixed */ + if (!nand_lock(nand, tight)) { + puts("NAND flash successfully locked\n"); + } else { + puts("Error locking NAND flash\n"); + return 1; + } +#endif } return 0; } @@ -452,13 +456,15 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0) return 1; -// if (!nand_unlock(nand, off, size)) { -// puts("NAND flash successfully unlocked\n"); -// } else { -// puts("Error unlocking NAND flash, " -// "write and erase will probably fail\n"); -// return 1; -// } +#if 0 /* must be fixed */ + if (!nand_unlock(nand, off, size)) { + puts("NAND flash successfully unlocked\n"); + } else { + puts("Error unlocking NAND flash, " + "write and erase will probably fail\n"); + return 1; + } +#endif return 0; } @@ -691,7 +697,7 @@ U_BOOT_CMD(nboot, 4, 1, do_nandboot, void archflashwp(void *archdata, int wp); #endif -#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) +#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) #undef NAND_DEBUG #undef PSYCHO_DEBUG @@ -715,9 +721,9 @@ void archflashwp(void *archdata, int wp); #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_READ 0x01 +#define NANDRW_WRITE 0x00 +#define NANDRW_JFFS2 0x02 #define NANDRW_JFFS2_SKIP 0x04 /* @@ -726,15 +732,15 @@ void archflashwp(void *archdata, int wp); extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; extern int curr_device; extern int nand_legacy_erase(struct nand_chip *nand, size_t ofs, - size_t len, int clean); + 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); + 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); + 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); + size_t len, size_t *retlen, const u_char *buf); int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) @@ -828,11 +834,11 @@ int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) 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; + 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], '.'); @@ -923,9 +929,9 @@ U_BOOT_CMD( "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" + " 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" + " 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\n" |