On Jun 28, 2005, at 2:53 PM, Richard Earnshaw wrote:

> Some of the CPU boards that can be fitted to the ARM Integrator/AP
> development boards have on-board memory that can't be used for DMA  
> (it's
> not mapped into the PCI address space).  This memory is at least 4  
> times
> faster than the normal memory sticks that are available (twice the  
> clock
> frequency, twice the bus width), but currently I can't use this memory
> with NetBSD because it doesn't do bounces properly.

Sure you could -- this could be completely encapsulated by your  
bus_dma back-end.

-- thorpej