MLC nand driver for linux

[Paulraj, Sandeep]

> 
> 
> On Tue, 23 Feb 2010, Paulraj, Sandeep wrote:
> 
> > I've used MICRON and SAMSUNG MLC NAND's without any problems.
> >
> > The MICRON NAND's were ONFI devices and even they worked well.
> 
> What do you do about ECC for these devices? As I understand MLC flash
> requires stronger ECC algorithms than the 1 bit / 256 byte algorithm which
> is by default implemented in software by mtd. Do the flash chips or the
> system you are using have hardware ECC?

The TI DaVinci NAND controller can do 4 bit ECC for every 512 bytes of data.

But most new devices need atleast 8 bit ECC and above