Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) # SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) # Open Coherent Accelerator (OCXL) compatible devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) config OCXL_BASE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 	bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	select PPC_COPRO_BASE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) config OCXL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	tristate "OpenCAPI coherent accelerator support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	depends on HOTPLUG_PCI_POWERNV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	select OCXL_BASE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	default m
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	  Select this option to enable the ocxl driver for Open
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	  Coherent Accelerator Processor Interface (OpenCAPI) devices.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	  OpenCAPI allows FPGA and ASIC accelerators to be coherently
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	  attached to a CPU over an OpenCAPI link.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	  The ocxl driver enables userspace programs to access these
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	  accelerators through devices in /dev/ocxl/.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	  For more information, see https://opencapi.org.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	  This is not to be confused with the support for IBM CAPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	  accelerators (CONFIG_CXL), which are PCI-based instead of a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	  dedicated OpenCAPI link, and don't follow the same protocol.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	  If unsure, say N.