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0e1d715b5b
This adds support for programming the data processing FPGAs on the OVRO CARMA board. These FPGAs have a special programming sequence that requires that we program the Freescale DMA engine, which is only available inside the kernel. Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>