mtd support for large NAND

[Artem Bityutskiy]

On Tue, 2007-10-16 at 13:27 +1300, Charles Manning wrote:
> On Friday 12 October 2007 21:36:09 falls huang wrote:
> > Hello !
> >
> >   How can I simulate a large nandflash(>4G) in linux PC ? I want to
> > take a look at it, but I don't have any develop-board that has 4G
> 
> There are a few problems you face here. Firstly, mtd does not support >4G 
> which will need fixing.
> 
> Secondly, even if your system has > 4G it might not be all simultaneously 
> accessible and you will need to use highmem as a way to do temporary mappings 
> to access this memory.
> 
> I might be tempted to try do this using some sort of userspace driver then 
> just backing the driver with regular files (eg. 8x1G files to simulate 8G of 
> NAND).

Or create something like blk2mtd.

-- 
Best regards,
Artem Bityutskiy (Битюцкий Артём)