Re: Different nand interface

[Alice Hennessy <ahennessy@mvista.com>]

David Woodhouse wrote:

> What is wrong with your mail user agent? It's customary to wrap lines at
> seventy-something characters; not to wrap them at 90 then again at 70,
> giving alternate 70-char and 20-char lines... :)
>
> On Mon, 2003-10-27 at 12:43 -0800, Alice Hennessy wrote:
> > The hardware logic uses register access for special commands.
> > Readid,
> > status does
> > 2 writes to a register, one for address (to distinquish which flash),
> > one for
> > command and one more
> > to read.  Erase takes 2 writes to a register, address then command.
> > The
> > out-of-band access
> > uses a register to give a command and then the out-of-band data is
> > read using
> >
> > readb with  offset.
>
> That's just bizarre. I don't think I want to ask _why_ they did this.
>
> You may be able to massage this into the generic NAND code; you can
> override nand_command() completely. I suspect you won't be using much of
> the generic code if you do that though. You might end up just writing a
> standalone driver.
>
> --
> dwmw2

I'll try to fix the email thing :-)

Thanks for the quick response.  I'll weigh the massage effort with any
future maintenance effort saved.

Alice