access to nand flash on Ronzi A3

Ron K. Jeffries rjeffries at gmail.com
Tue Aug 16 09:44:25 EDT 2011


Ronzi A3 is an interesting Ingenic SOC
small tablet. http://goo.gl/sq2a8
$45USD (apparently)
has USB OTG, 256MB RAM.

---
Ron K. Jeffries






On Mon, Aug 15, 2011 at 23:24, Uli Raich <Uli.Raich at cern.ch> wrote:

>  Hi,****
>
> I am trying to adapt the Linux version of usbboot top the Ronzi A3. While
> most of the features now work, I still have problems to access the nand
> flash. I finally disassembled the device and had a look at the signals on
> the flash chip. I found that none of the interface signals arrive there.
> When I try direct GPIO, programming certain lines as output and looking at
> the signals on the flash chip, I have the same problem. Does anybody know,
> how the nand flash is connected to the jz4760 CPU? It looks like I have to
> enable something (a mux?) to get my signals through to the flash.****
>
> Any help would be largely appreciated.****
>
> Thanks****
>
> Uli****
>
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