[alsa-devel] Samsung S5PV210 I2S DMA

[Mike Dyer]

On Sat, 2013-07-06 at 16:22 +0600, Alexey Galakhov wrote:
> Hi,
> 
> > The DMA engine emits a lot of messages complaining of (I think) a read
> > fault:
> 
> > dma-pl330 dma-pl330.0: Reset Channel-0 CS-20000f FTC-40000
> > dma-pl330 dma-pl330.0: Reset Channel-0 CS-20000f FTC-40000
> 
> I'm debugging the same error right now. FTC-40000 means "Read error",
> i.e. invalid address of the DMA source block.
> 
> Regards,
> Alex

In my case it turned out the TZPC hadn't been configured properly by the
bootloader.  I had to modify to the bootloader to make sure the I2S was
non secured (it's secure by default).

Hope this helps,
Mike