GPMI-NAND Status?

[Huang Shijie]

Hi Koen:
> Hi,
>
> On Mon, Aug 8, 2011 at 12:37 PM, Huang Shijie<b32955 at freescale.com>  wrote:
>> Hi,
>>> On my target, the mxs-dma is working for sdio until the gpmi-nand
>>> gives a timeout. After that the dma for sdio is *not fully* working
>>> anymore.
>>>
>> We need more log in following aspects:
>> [1] apbh-dma registers
>> [2] clk registers
>> [3] gpmi registers
>>
>> Please git-apply the patch in the attachment.
>> It will print out more DMA information WHEN dma-timeout occur.
> Don't get it. What exactly are you trying to dump?
> This patch dumps CTRL0, CTRL1, CTRL2, DEVSEL but also some registers
> of APBH channel0 which is reserved....
sorry, I intended to print out the channel 4(NAND_DEVICE0).

I want to know that:
  When the dma timeout occurs, whether it caused by the GPMI or by the 
DMA itself.


Please try the new patch.

Best Regards
Huang Shijie
> Then it prints some debug info on channel 1 (ssp1) and then alle
> channel 2 register except the debug register (ssp2 = not used here).
>
> What info do you need?
>
> Br,
> Koen
>
>> Best Regards
>> Huang Shijie
>>
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