diff options
Diffstat (limited to 'common/cmd_nand.c')
-rw-r--r-- | common/cmd_nand.c | 284 |
1 files changed, 144 insertions, 140 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 7286726f1c1..b011b5e3ded 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -684,178 +684,182 @@ 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 do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { - int rcode = 0; - - switch (argc) { - case 0: - case 1: - printf ("Usage:\n%s\n", cmdtp->usage); - return 1; - case 2: - if (strcmp(argv[1],"info") == 0) { - int i; + int rcode = 0; - putc ('\n'); + switch (argc) { + case 0: + case 1: + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + case 2: + if (strcmp (argv[1], "info") == 0) { + int i; - for (i=0; i<CFG_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; + putc ('\n'); - } else if (strcmp(argv[1],"device") == 0) { - if ((curr_device < 0) || (curr_device >= CFG_MAX_NAND_DEVICE)) { - puts ("\nno devices available\n"); - return 1; - } - printf ("\nDevice %d: ", curr_device); - nand_print(&nand_dev_desc[curr_device]); - return 0; + for (i = 0; i < CFG_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],"bad") == 0) { - if ((curr_device < 0) || (curr_device >= CFG_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; + } else if (strcmp (argv[1], "device") == 0) { + if ((curr_device < 0) + || (curr_device >= CFG_MAX_NAND_DEVICE)) { + puts ("\nno devices available\n"); + return 1; + } + printf ("\nDevice %d: ", curr_device); + nand_print (&nand_dev_desc[curr_device]); + return 0; - } - printf ("Usage:\n%s\n", cmdtp->usage); - return 1; - case 3: - if (strcmp(argv[1],"device") == 0) { - int dev = (int)simple_strtoul(argv[2], NULL, 10); + } else if (strcmp (argv[1], "bad") == 0) { + if ((curr_device < 0) + || (curr_device >= CFG_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; - printf ("\nDevice %d: ", dev); - if (dev >= CFG_MAX_NAND_DEVICE) { - puts ("unknown device\n"); - return 1; } - nand_print(&nand_dev_desc[dev]); - /*nand_print (dev);*/ + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + case 3: + if (strcmp (argv[1], "device") == 0) { + int dev = (int) simple_strtoul (argv[2], NULL, 10); - if (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN) { - return 1; - } + printf ("\nDevice %d: ", dev); + if (dev >= CFG_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; + curr_device = dev; - puts ("... is now current device\n"); + 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; + 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); + printf ("\nNAND erase: device %d offset %ld, size %ld ... ", curr_device, off, size); - ret = nand_legacy_erase (nand, off, size, 1); + ret = nand_legacy_erase (nand, off, size, 1); - printf("%s\n", ret ? "ERROR" : "OK"); + printf ("%s\n", ret ? "ERROR" : "OK"); - return ret; - } + return ret; + } - printf ("Usage:\n%s\n", cmdtp->usage); - 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); - ulong off = simple_strtoul(argv[3], NULL, 16); - ulong size = simple_strtoul(argv[4], NULL, 16); - int cmd = (strncmp(argv[1], "read", 4) == 0) ? + printf ("Usage:\n%s\n", cmdtp->usage); + 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); + ulong off = simple_strtoul (argv[3], NULL, 16); + ulong size = simple_strtoul (argv[4], NULL, 16); + int cmd = (strncmp (argv[1], "read", 4) == 0) ? NANDRW_READ : NANDRW_WRITE; - int ret, total; - 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, (size_t *)&total, - (u_char*)addr); - } - else { - ret = nand_write_oob(nand_dev_desc + curr_device, - off, size, (size_t *)&total, - (u_char*)addr); + int ret, total; + 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, (size_t *) & total, + (u_char *) addr); + } else { + ret = nand_write_oob (nand_dev_desc + curr_device, + off, size, (size_t *) & total, + (u_char *) addr); + } + return ret; + } else if (cmdtail && !strncmp (cmdtail, ".jffs2", 2)) + cmd |= NANDRW_JFFS2; /* skip bad blocks */ + else if (cmdtail && !strncmp (cmdtail, ".jffs2s", 2)) { + cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ + if (cmd & NANDRW_READ) + cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ } - return ret; - } - else if (cmdtail && !strncmp(cmdtail, ".jffs2", 2)) - cmd |= NANDRW_JFFS2; /* skip bad blocks */ - else if (cmdtail && !strncmp(cmdtail, ".jffs2s", 2)) { - cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ - if (cmd & NANDRW_READ) - cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ - } #ifdef SXNI855T - /* need ".e" same as ".j" for compatibility with older units */ - else if (cmdtail && !strcmp(cmdtail, ".e")) - cmd |= NANDRW_JFFS2; /* skip bad blocks */ + /* need ".e" same as ".j" for compatibility with older units */ + else if (cmdtail && !strcmp (cmdtail, ".e")) + cmd |= NANDRW_JFFS2; /* skip bad blocks */ #endif #ifdef CFG_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) */ - } + /* 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 /* CFG_NAND_SKIP_BAD_DOT_I */ - else if (cmdtail) { - printf ("Usage:\n%s\n", cmdtp->usage); - return 1; - } + else if (cmdtail) { + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } - printf ("\nNAND %s: device %d offset %ld, size %ld ...\n", - (cmd & NANDRW_READ) ? "read" : "write", - curr_device, off, size); + printf ("\nNAND %s: device %d offset %ld, size %ld ...\n", + (cmd & NANDRW_READ) ? "read" : "write", + curr_device, off, size); - ret = nand_legacy_rw(nand_dev_desc + curr_device, cmd, off, size, - (size_t *)&total, (u_char*)addr); + ret = nand_legacy_rw (nand_dev_desc + curr_device, + cmd, off, size, + (size_t *) & total, + (u_char *) addr); - printf (" %d bytes %s: %s\n", total, - (cmd & NANDRW_READ) ? "read" : "written", - ret ? "ERROR" : "OK"); + 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; + 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); + 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); + ret = nand_legacy_erase (nand_dev_desc + curr_device, + off, size, clean); - printf("%s\n", ret ? "ERROR" : "OK"); + printf ("%s\n", ret ? "ERROR" : "OK"); - return ret; - } else { - printf ("Usage:\n%s\n", cmdtp->usage); - rcode = 1; - } + return ret; + } else { + printf ("Usage:\n%s\n", cmdtp->usage); + rcode = 1; + } - return rcode; - } + return rcode; + } } U_BOOT_CMD( |