fpga: dfl: add FPGA Accelerated Function Unit driver basic framework
authorWu Hao <hao.wu@intel.com>
Sat, 30 Jun 2018 00:53:30 +0000 (08:53 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 15 Jul 2018 11:55:46 +0000 (13:55 +0200)
commit1a1527cf5ddacc6716a3cacfa232111d92ffd93b
treeb0adb5811cb0cd0dcd8bdab87fe4893472114b09
parent7514a4249c479c0b56a112306496a9aa3bad312b
fpga: dfl: add FPGA Accelerated Function Unit driver basic framework

On DFL FPGA devices, the Accelerated Function Unit (AFU), can be
reprogrammed for different functions. It connects to the FPGA
infrastructure (static FPGA region) via a Port. Port CSRs are
implemented separately from the AFU CSRs to provide control and
status of the Port. Once valid PR bitstream is programmed into
the AFU, it allows access to the AFU CSRs in the AFU MMIO space.

This patch only implements basic driver framework for AFU, including
device file operation framework.

Signed-off-by: Tim Whisonant <tim.whisonant@intel.com>
Signed-off-by: Enno Luebbers <enno.luebbers@intel.com>
Signed-off-by: Shiva Rao <shiva.rao@intel.com>
Signed-off-by: Christopher Rauer <christopher.rauer@intel.com>
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Wu Hao <hao.wu@intel.com>
Acked-by: Alan Tull <atull@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/fpga/Kconfig
drivers/fpga/Makefile
drivers/fpga/dfl-afu-main.c [new file with mode: 0644]