On 09/22/2011 01:36 PM, Marek Vasut wrote: > @@ -695,10 +711,11 @@ U_BOOT_CMD( > "NAND sub-system", > "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" > + "nand read[.raw] - addr off|partition\n" > + "nand write[.raw] - addr off|partition\n" > " read/write 'size' bytes starting at offset 'off'\n" > " to/from memory address 'addr', skipping bad blocks.\n" > + " Use read.raw/write.raw to avoid ECC and write the block as-is.\n"
Only the .raw version lacks size -- please do not remove it from the help text for the normal read/write. > diff --git a/doc/README.nand b/doc/README.nand > index 751b693..62c077e 100644 > --- a/doc/README.nand > +++ b/doc/README.nand > @@ -94,6 +94,15 @@ Commands: > of data for one 512-byte page or 2 256-byte pages. There is no check > for bad blocks. > > + nand read.raw addr ofs|partition > + Read block from `ofs' in NAND flash to `addr'. This reads the raw > block, > + so ECC is avoided and the OOB area is read as well. > + > + nand write.raw addr ofs|partition > + Write block from `addr' to `ofs' in NAND flash. This writes the raw > block, > + so ECC is avoided and the OOB area is written as well, making the whole > + block written as-is. Again, it's operating on a page, not a block. -Scott _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
