diff options
Diffstat (limited to 'common/cmd_onenand.c')
| -rw-r--r-- | common/cmd_onenand.c | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/common/cmd_onenand.c b/common/cmd_onenand.c index cb2ba70..a27adaa 100644 --- a/common/cmd_onenand.c +++ b/common/cmd_onenand.c @@ -112,8 +112,32 @@ static int onenand_block_read(loff_t from, size_t len, return 0; } +static int onenand_write_oneblock_withoob(loff_t to, const u_char * buf, + size_t *retlen) +{ + struct mtd_oob_ops ops = { + .len = mtd->writesize, + .ooblen = mtd->oobsize, + .mode = MTD_OOB_AUTO, + }; + int page, ret = 0; + for (page = 0; page < (mtd->erasesize / mtd->writesize); page ++) { + ops.datbuf = (u_char *)buf; + buf += mtd->writesize; + ops.oobbuf = (u_char *)buf; + buf += mtd->oobsize; + ret = mtd->write_oob(mtd, to, &ops); + if (ret) + break; + to += mtd->writesize; + } + + *retlen = (ret) ? 0 : mtd->erasesize; + return ret; +} + static int onenand_block_write(loff_t to, size_t len, - size_t *retlen, const u_char * buf) + size_t *retlen, const u_char * buf, int withoob) { struct onenand_chip *this = mtd->priv; int blocks = len >> this->erase_shift; @@ -140,7 +164,10 @@ static int onenand_block_write(loff_t to, size_t len, goto next; } - ret = mtd->write(mtd, ofs, blocksize, &_retlen, buf); + if (!withoob) + ret = mtd->write(mtd, ofs, blocksize, &_retlen, buf); + else + ret = onenand_write_oneblock_withoob(ofs, buf, &_retlen); if (ret) { printk("Write failed 0x%x, %d", (u32)ofs, ret); skip_ofs += blocksize; @@ -386,19 +413,22 @@ static int do_onenand_write(cmd_tbl_t * cmdtp, int flag, int argc, char * const { ulong addr, ofs; size_t len; - int ret = 0; + int ret = 0, withoob = 0; size_t retlen = 0; if (argc < 3) return cmd_usage(cmdtp); + if (strncmp(argv[0] + 6, "yaffs", 5) == 0) + withoob = 1; + addr = (ulong)simple_strtoul(argv[1], NULL, 16); printf("\nOneNAND write: "); if (arg_off_size(argc - 2, argv + 2, &ofs, &len) != 0) return 1; - ret = onenand_block_write(ofs, len, &retlen, (u8 *)addr); + ret = onenand_block_write(ofs, len, &retlen, (u8 *)addr, withoob); printf(" %d bytes written: %s\n", retlen, ret ? "ERROR" : "OK"); @@ -521,6 +551,7 @@ static cmd_tbl_t cmd_onenand_sub[] = { U_BOOT_CMD_MKENT(bad, 1, 0, do_onenand_bad, "", ""), U_BOOT_CMD_MKENT(read, 4, 0, do_onenand_read, "", ""), U_BOOT_CMD_MKENT(write, 4, 0, do_onenand_write, "", ""), + U_BOOT_CMD_MKENT(write.yaffs, 4, 0, do_onenand_write, "", ""), U_BOOT_CMD_MKENT(erase, 3, 0, do_onenand_erase, "", ""), U_BOOT_CMD_MKENT(test, 3, 0, do_onenand_test, "", ""), U_BOOT_CMD_MKENT(dump, 2, 0, do_onenand_dump, "", ""), @@ -560,7 +591,7 @@ U_BOOT_CMD( "info - show available OneNAND devices\n" "onenand bad - show bad blocks\n" "onenand read[.oob] addr off size\n" - "onenand write addr off size\n" + "onenand write[.yaffs] addr off size\n" " read/write 'size' bytes starting at offset 'off'\n" " to/from memory address 'addr', skipping bad blocks.\n" "onenand erase [force] [off size] - erase 'size' bytes from\n" |