Clarification regarding DMA in s3c2440.
mindentropy at gmail.com
Wed Apr 27 14:07:25 EDT 2011
On Wednesday 27 Apr 2011 9:11:19 pm Vasily Khoruzhick wrote:
> On Tuesday 26 April 2011 19:16:19 mindentropy wrote:
> > Hi All,
> > I am having some trouble understanding the datasheet of s3c2440 CPU in
> > the DMA part.(I am trying to understand the dma controller code).
> > In chapter 8 second page under the heading DMA request sources the
> > number of sources should be 7 and not 4.
> > In the s3c2410 the sources
> > are 5 but they have given it as 4.
> s3c2440 has 18 dma sources, but not every channel is valid for some source,
> check arch/arm/mach-s3c2440/dma.c, struct s3c24xx_dma_map - it follows
> table 8-1 in mentioned datasheet.
Thanks for the reply. I am following the source. Much clearer there :)
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