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misc: Add CARMA DATA-FPGA Programmer support

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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>
This commit is contained in:
Ira Snyder 2011-02-11 13:34:30 +00:00 committed by Benjamin Herrenschmidt
parent c186f0e177
commit 0e1d715b5b
3 changed files with 1150 additions and 0 deletions
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8
drivers/misc/carma/Kconfig
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@ -7,3 +7,11 @@ config CARMA_FPGA
Say Y here to include support for communicating with the data Say Y here to include support for communicating with the data
processing FPGAs on the OVRO CARMA board. processing FPGAs on the OVRO CARMA board.
config CARMA_FPGA_PROGRAM
tristate "CARMA DATA-FPGA Programmer"
depends on FSL_SOC && PPC_83xx && MEDIA_SUPPORT && HAS_DMA && FSL_DMA
select VIDEOBUF_DMA_SG
default n
help
Say Y here to include support for programming the data processing
FPGAs on the OVRO CARMA board.

1
drivers/misc/carma/Makefile
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@ -1 +1,2 @@
obj-$(CONFIG_CARMA_FPGA) += carma-fpga.o obj-$(CONFIG_CARMA_FPGA) += carma-fpga.o
obj-$(CONFIG_CARMA_FPGA_PROGRAM) += carma-fpga-program.o

1141
drivers/misc/carma/carma-fpga-program.c Normal file
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