Re: [PATCH v4 20/24] fpga: dfl: add FPGA Accelerated Function Unit driver basic framework

From: Alan Tull
Date: Mon Mar 19 2018 - 14:40:57 EST


On Tue, Feb 13, 2018 at 3:24 AM, Wu Hao <hao.wu@xxxxxxxxx> wrote:

Hi Hao,

I acked this back in v2.

> On DFL FPGA devices, the Accelerated Function Unit (AFU), can be
> reprogrammed for different functions. It connects to the FPGA
> infrastructure("blue bistream") via a Port. Port CSRs are implemented
> separately from the AFU CSRs to provide control and status of the Port.
> Once valid green 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@xxxxxxxxx>
> Signed-off-by: Enno Luebbers <enno.luebbers@xxxxxxxxx>
> Signed-off-by: Shiva Rao <shiva.rao@xxxxxxxxx>
> Signed-off-by: Christopher Rauer <christopher.rauer@xxxxxxxxx>
> Signed-off-by: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>
> Signed-off-by: Wu Hao <hao.wu@xxxxxxxxx>
Acked-by: Alan Tull <atull@xxxxxxxxxx>

Alan