Re: OMAP5912 and McBSP2 with DMA

[Steve Poulsen <spoulsen@css-design.us>]

Many thanks.  The TIPB seemed to work fine, but only after I changed the 
DMA element size to 16-bit and wrote to DXR1.  I could not get 32-bit 
transfers to work at all.

I may double check your recommendation to see if I can get 32-bit 
working that way.

Steve

andrzej zaborowski wrote:
> Hi,
>
> On 17/07/07, Steve Poulsen <spoulsen@css-design.us> wrote:
>> Could someone tell me what the port should be for DMA with McBSP2?
>> Since it is an ARM peripheral (as opposed to McBSP1 and McBSP3), then I
>> expect it to be as follows.  However, I get a timeout error.
>>
>>     omap_set_dma_dest_params(cs4384_data.dma_tx_ch,
>>             OMAP_DMA_PORT_TIPB,
>>             OMAP_DMA_AMODE_CONSTANT,
>>             OMAP1610_MCBSP2_BASE + OMAP_MCBSP_REG_DXR2,
>>             0, 0);
>
> I believe McBSP2 is on the TIPB-MPUI port, which has the value of 5
> (as opposed to 3 for TIPB) but I don't remember the macro name.
>
> Cheers
>