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authorIra Snyder <iws@ovro.caltech.edu>2011-02-11 13:34:29 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-05-19 16:55:08 +1000
commitc186f0e177275e83728d7acfdf4a1b68793a7038 (patch)
tree1628c09fc7a4eaae4a4f3b27e5bf77c536990874 /drivers/misc/Makefile
parent41fb5e62604c5ddd00a784ffb7672dd8df5d76f2 (diff)
downloadop-kernel-dev-c186f0e177275e83728d7acfdf4a1b68793a7038.zip
op-kernel-dev-c186f0e177275e83728d7acfdf4a1b68793a7038.tar.gz
misc: Add CARMA DATA-FPGA Access Driver
This driver allows userspace to access the data processing FPGAs on the OVRO CARMA board. It has two modes of operation: 1) random access This allows users to poke any DATA-FPGA registers by using mmap to map the address region directly into their memory map. 2) correlation dumping When correlating, the DATA-FPGA's have special requirements for getting the data out of their memory before the next correlation. This nominally happens at 64Hz (every 15.625ms). If the data is not dumped before the next correlation, data is lost. The data dumping driver handles buffering up to 1 second worth of correlation data from the FPGAs. This lowers the realtime scheduling requirements for the userspace process reading the device. Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/misc/Makefile')
-rw-r--r--drivers/misc/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index f546860..848e846 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -44,3 +44,4 @@ obj-$(CONFIG_PCH_PHUB) += pch_phub.o
obj-y += ti-st/
obj-$(CONFIG_AB8500_PWM) += ab8500-pwm.o
obj-y += lis3lv02d/
+obj-y += carma/
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