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author | Stefan Roese <sr@denx.de> | 2008-08-14 08:25:13 +0200 |
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committer | Stefan Roese <sr@denx.de> | 2008-08-14 08:25:13 +0200 |
commit | becbbc7b2a1be44d38779c80ce94fb20e5e13f12 (patch) | |
tree | 38e933b70075e14b21fbb0eb891cc8c59d8e60be /common/cmd_nand.c | |
parent | bc9019e19758a19a388fb20ef18dc771cd39fdda (diff) | |
parent | 2fd0aad443c966ce62008225e57b18e2dcf4e330 (diff) | |
download | u-boot-imx-becbbc7b2a1be44d38779c80ce94fb20e5e13f12.zip u-boot-imx-becbbc7b2a1be44d38779c80ce94fb20e5e13f12.tar.gz u-boot-imx-becbbc7b2a1be44d38779c80ce94fb20e5e13f12.tar.bz2 |
Merge branch 'master' of /home/stefan/git/u-boot/u-boot into next
Diffstat (limited to 'common/cmd_nand.c')
-rw-r--r-- | common/cmd_nand.c | 259 |
1 files changed, 126 insertions, 133 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 9e38bf7..fa7a438 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -11,13 +11,14 @@ #include <common.h> -#ifndef CFG_NAND_LEGACY +#ifndef CONFIG_NAND_LEGACY /* * * New NAND support * */ #include <common.h> +#include <linux/mtd/mtd.h> #if defined(CONFIG_CMD_NAND) @@ -34,48 +35,58 @@ 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) -{ - return 0; -} - -static int nand_dump(nand_info_t *nand, ulong off) +static int nand_dump(nand_info_t *nand, ulong off, int only_oob) { int i; - u_char *buf, *p; + u_char *datbuf, *oobbuf, *p; - buf = malloc(nand->oobblock + nand->oobsize); - if (!buf) { + datbuf = malloc(nand->writesize + nand->oobsize); + oobbuf = malloc(nand->oobsize); + if (!datbuf || !oobbuf) { puts("No memory for page buffer\n"); return 1; } - off &= ~(nand->oobblock - 1); - i = nand_read_raw(nand, buf, off, nand->oobblock, nand->oobsize); + 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; /* must exist, but oob data will be appended to ops.datbuf */ + ops.len = nand->writesize; + ops.ooblen = nand->oobsize; + ops.mode = MTD_OOB_RAW; + i = nand->read_oob(nand, addr, &ops); if (i < 0) { printf("Error (%d) reading page %08lx\n", i, off); - free(buf); + free(datbuf); + free(oobbuf); return 1; } printf("Page %08lx dump:\n", off); - i = nand->oobblock >> 4; p = buf; + 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]); + if (!only_oob) + 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; 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]); + 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(buf); + free(datbuf); + free(oobbuf); return 0; } @@ -155,7 +166,7 @@ out: int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { - int i, dev, ret; + int i, dev, ret = 0; ulong addr, off; size_t size; char *cmd, *s; @@ -182,8 +193,8 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) { if (nand_info[i].name) printf("Device %d: %s, sector size %u KiB\n", - i, nand_info[i].name, - nand_info[i].erasesize >> 10); + i, nand_info[i].name, + nand_info[i].erasesize >> 10); } return 0; } @@ -196,7 +207,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) puts("\nno devices available\n"); else printf("\nDevice %d: %s\n", nand_curr_device, - nand_info[nand_curr_device].name); + nand_info[nand_curr_device].name); return 0; } dev = (int)simple_strtoul(argv[2], NULL, 10); @@ -299,15 +310,14 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) off = (int)simple_strtoul(argv[2], NULL, 16); if (s != NULL && strcmp(s, ".oob") == 0) - ret = nand_dump_oob(nand, off); + ret = nand_dump(nand, off, 1); else - ret = nand_dump(nand, off); + ret = nand_dump(nand, off, 0); return ret == 0 ? 1 : 0; } - /* read write */ if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) { int read; @@ -322,43 +332,29 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) return 1; s = strchr(cmd, '.'); - if (s != NULL && - (!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i"))) { - if (read) { - /* read */ - nand_read_options_t opts; - memset(&opts, 0, sizeof(opts)); - opts.buffer = (u_char*) addr; - opts.length = size; - opts.offset = off; - opts.quiet = quiet; - ret = nand_read_opts(nand, &opts); - } else { - /* write */ - nand_write_options_t opts; - memset(&opts, 0, sizeof(opts)); - opts.buffer = (u_char*) addr; - opts.length = size; - opts.offset = off; - /* opts.forcejffs2 = 1; */ - opts.pad = 1; - opts.blockalign = 1; - opts.quiet = quiet; - ret = nand_write_opts(nand, &opts); - } - } else if (s != NULL && !strcmp(s, ".oob")) { - /* read out-of-band data */ + if (!s || !strcmp(s, ".jffs2") || + !strcmp(s, ".e") || !strcmp(s, ".i")) { if (read) - ret = nand->read_oob(nand, off, size, &size, - (u_char *) addr); + ret = nand_read_skip_bad(nand, off, &size, + (u_char *)addr); else - ret = nand->write_oob(nand, off, size, &size, - (u_char *) addr); - } else { + ret = nand_write_skip_bad(nand, off, &size, + (u_char *)addr); + } else if (s != NULL && !strcmp(s, ".oob")) { + /* out-of-band data */ + mtd_oob_ops_t ops = { + .oobbuf = (u8 *)addr, + .ooblen = size, + .mode = MTD_OOB_RAW + }; + if (read) - ret = nand_read(nand, off, &size, (u_char *)addr); + ret = nand->read_oob(nand, off, &ops); else - ret = nand_write(nand, off, &size, (u_char *)addr); + ret = nand->write_oob(nand, off, &ops); + } else { + printf("Unknown nand command suffix '%s'.\n", s); + return 1; } printf(" %d bytes %s: %s\n", size, @@ -381,6 +377,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } return 1; } + if (strcmp(cmd, "biterr") == 0) { /* todo */ return 1; @@ -395,7 +392,12 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) if (!strcmp("status", argv[2])) status = 1; } - +/* + * ! BROKEN ! + * + * TODO: must be implemented and tested by someone with HW + */ +#if 0 if (status) { ulong block_start = 0; ulong off; @@ -406,28 +408,28 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) 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->oobblock) { + 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->oobblock + if (off == nand->size - nand->writesize || (s != last_status && off != 0)) { - printf("%08lx - %08lx: %8lu pages %s%s%s\n", + printf("%08lx - %08lx: %8d pages %s%s%s\n", block_start, off-1, - (off-block_start)/nand->oobblock, + (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; - } + } } else { if (!nand_lock(nand, tight)) { puts("NAND flash successfully locked\n"); @@ -436,6 +438,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) return 1; } } +#endif return 0; } @@ -443,6 +446,12 @@ 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; +/* + * ! BROKEN ! + * + * TODO: must be implemented and tested by someone with HW + */ +#if 0 if (!nand_unlock(nand, off, size)) { puts("NAND flash successfully unlocked\n"); } else { @@ -450,6 +459,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) "write and erase will probably fail\n"); return 1; } +#endif return 0; } @@ -459,54 +469,47 @@ usage: } U_BOOT_CMD(nand, 5, 1, do_nand, - "nand - NAND sub-system\n", - "info - show available NAND devices\n" - "nand device [dev] - show or set current device\n" - "nand read[.jffs2] - addr off|partition size\n" - "nand write[.jffs2] - addr off|partition 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 dump[.oob] off - dump page\n" - "nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n" - "nand markbad off - mark bad block at offset (UNSAFE)\n" - "nand biterr off - make a bit error at offset (UNSAFE)\n" - "nand lock [tight] [status] - bring nand to lock state or display locked pages\n" - "nand unlock [offset] [size] - unlock section\n"); + "nand - NAND sub-system\n", + "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 erase [clean] [off size] - erase 'size' bytes from\n" + " offset 'off' (entire device if not specified)\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 markbad off - mark bad block at offset (UNSAFE)\n" + "nand biterr off - make a bit error at offset (UNSAFE)\n" + "nand lock [tight] [status]\n" + " bring nand to lock state or display locked pages\n" + "nand unlock [offset] [size] - unlock section\n"); static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, - ulong offset, ulong addr, char *cmd) + ulong offset, ulong addr, char *cmd) { int r; char *ep, *s; size_t cnt; image_header_t *hdr; - int jffs2 = 0; #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"))) - jffs2 = 1; + (strcmp(s, ".jffs2") && !strcmp(s, ".e") && !strcmp(s, ".i"))) { + printf("Unknown nand load suffix '%s'\n", s); + show_boot_progress(-53); + return 1; + } printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset); - cnt = nand->oobblock; - if (jffs2) { - nand_read_options_t opts; - memset(&opts, 0, sizeof(opts)); - opts.buffer = (u_char*) addr; - opts.length = cnt; - opts.offset = offset; - opts.quiet = 1; - r = nand_read_opts(nand, &opts); - } else { - r = nand_read(nand, offset, &cnt, (u_char *) addr); - } - + cnt = nand->writesize; + r = nand_read(nand, offset, &cnt, (u_char *) addr); if (r) { puts("** Read error\n"); show_boot_progress (-56); @@ -536,19 +539,10 @@ static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, puts ("** Unknown image type\n"); return 1; } + show_boot_progress (57); - if (jffs2) { - nand_read_options_t opts; - memset(&opts, 0, sizeof(opts)); - opts.buffer = (u_char*) addr; - opts.length = cnt; - opts.offset = offset; - opts.quiet = 1; - r = nand_read_opts(nand, &opts); - } else { - r = nand_read(nand, offset, &cnt, (u_char *) addr); - } - + /* FIXME: skip bad blocks */ + r = nand_read(nand, offset, &cnt, (u_char *) addr); if (r) { puts("** Read error\n"); show_boot_progress (-58); @@ -614,7 +608,7 @@ int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) else addr = CFG_LOAD_ADDR; return nand_load_image(cmdtp, &nand_info[dev->id->num], - part->offset, addr, argv[0]); + part->offset, addr, argv[0]); } } #endif @@ -669,11 +663,11 @@ usage: U_BOOT_CMD(nboot, 4, 1, do_nandboot, "nboot - boot from NAND device\n", - "[.jffs2] [partition] | [[[loadAddr] dev] offset]\n"); + "[partition] | [[[loadAddr] dev] offset]\n"); #endif -#else /* CFG_NAND_LEGACY */ +#else /* CONFIG_NAND_LEGACY */ /* * * Legacy NAND support - to be phased out @@ -726,10 +720,10 @@ 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_JFFS2_SKIP 0x04 +#define NANDRW_READ 0x01 +#define NANDRW_WRITE 0x00 +#define NANDRW_JFFS2 0x02 +#define NANDRW_JFFS2_SKIP 0x04 /* * Imports from nand_legacy.c @@ -839,11 +833,11 @@ 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], '.'); @@ -892,8 +886,7 @@ int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) ret = nand_legacy_rw (nand_dev_desc + curr_device, cmd, off, size, - &total, - (u_char *) addr); + &total, (u_char *) addr); printf (" %d bytes %s: %s\n", total, (cmd & NANDRW_READ) ? "read" : "written", @@ -1000,11 +993,11 @@ int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 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); + 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)) { + SECTORSIZE, NULL, (u_char *)addr)) { printf ("** Read error on %d\n", dev); show_boot_progress (-56); return 1; @@ -1035,8 +1028,8 @@ int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) show_boot_progress (57); if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, - offset + SECTORSIZE, cnt, NULL, - (u_char *)(addr+SECTORSIZE))) { + offset + SECTORSIZE, cnt, NULL, + (u_char *)(addr+SECTORSIZE))) { printf ("** Read error on %d\n", dev); show_boot_progress (-58); return 1; @@ -1084,4 +1077,4 @@ U_BOOT_CMD( #endif -#endif /* CFG_NAND_LEGACY */ +#endif /* CONFIG_NAND_LEGACY */ |