[U-Boot-Users] PowerPC 405EP - NAND Flash (MT29F2G08AAC)

[Pawel Pastuszak]

Stefan,

My implemention is using the adddress for ALE/CLE. I did get it working and
works great.

I am providing the code that i have my nand flash working with.

P.S. Stefan thanks for the help.

Pawel

On Fri, Mar 14, 2008 at 3:15 AM, Stefan Roese <sr at denx.de> wrote:

> On Thursday 13 March 2008, Pawel Pastuszak wrote:
> > Yes i am where that there is no NAND controller so did that already and
> i
> > see stuff happing on my scope. I thought that i was missing something
> for
> > this flash chip.
> >
> > I am attaching my nand controllor code could any body tell me if i am
> > missing something for the 405EP i am new to the 405EP processor...  But
> i
> > worked on did processors that i had nand setup and it was a lot lets
> work.
>
> From looking at the code, I wonder *how* you did implement the external
> logic
> on your board. I would have thought you connected some of the NAND control
> pins to 405EP GPIO's. But this doesn't seem to be the case. You are
> accessing
> the CMD/ALE singals at different addresses. So what exactly is you
> external
> NAND controller logic?
>
> If not, I suggest you take a look at:
>
> board/esd/common/esd405ep_nand.c
>
> This is an 405EP NAND implementation with external logic and signals
> attached
> to GPIO's.
>
> Best regards,
> Stefan
>
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