[U-Boot] DMA drivers in U-Boot?

[Mike Frysinger]

On Wed, Sep 14, 2011 at 10:52, Simon Schwarz wrote:
> I am working on integrating DMA into my SPL. As a matter of fact it is
> already working fine.
>
> So, here are my questions:
> - Is there an interest in having DMA drivers in U-Boot? (I only know of
> one in /drivers)
> - Is there an API I should implement?
> - Any other comments?
>
> (ATM the transfer of the Linux-image is more than three times faster
> compared to the CPU copy)

Blackfin provides a dma_memcpy() helper.  what functionality do you
need the API to provide exactly ?  the Linux DMA API is quite large
and convoluted (many times with good reason), but i'd like to keep it
simple for us if possible.
-mike