Hi Uli Raich

I guess this Ronzi A3 is base on LEPUS, so you can take a look at those pdf:

  ftp://ftp.ingenic.cn/2soc/4760/RD4760_LEPUS/RD4760_LEPUS-HW%201.3_EN.pdf
  ftp://ftp.ingenic.cn/2soc/4760/RD4760_LEPUS/hw/1.3/RD4760_LEPUS_V1.3.1.pdf

(more info: http://www.ingenic.cn/product.aspx?ID=58)


On 08/16/2011 02:24 PM, Uli Raich 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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