默默默Uboot2015.04支持nand write.yaffs----6636.doc

Uboot2015.04支持nand write.yaffs 打开uboot2015.04/common/cmd_nand.c 在854行附近加入红色字体代码： #ifdef CONFIG_SYS_LONGHELP static char nand_help_text[] = 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 read.raw - addr off|partition [count]\n nand write.raw - addr off|partition [count]\n Use read.raw/write.raw to avoid ECC and access the flash as-is.\n #ifdef CONFIG_CMD_NAND_YAFFS nand write.yaffs - addr off|partition size\n write size bytes starting at offset off with yaffs format\n from memory address addr, skipping bad blocks.\n #endif #ifdef CONFIG_CMD_NAND_TRIMFFS nand write.trimffs - addr off|partition size\n write size bytes starting at offset off from memory address\n addr, skipping bad blocks and dropping any pages at the end\n of eraseblocks that contain only 0xFF\n #endif nand erase[.spread] [clean] off size - erase size bytes from offset off\n With .spread, erase enough for given file size, otherwise,\n size includes skipped bad blocks.\n 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 #ifdef CONFIG_CMD_NAND_TORTURE nand torture off - torture block at offset\n #endif nand scrub [-y] off size | scrub.part partition | scrub.chip\n really clean NAND erasing bad blocks (UNSAFE)\n nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n nand biterr off - make a bit error at offset (UNSAFE) #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK \n nand lock [tight] [status]\n bring nand to lock state or display locked pages\n nand unlock[.allexcept] [offset] [size] - unlock section #endif #ifdef CONFIG_ENV_OFFSET_OOB \n nand env.oob - environment offset in OOB of bl