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cdx: add cdx controller

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CDX controller uses MCDI interface as a protocol to
communicate with the RPU firmware and registers the
detected CDX devices on the CDX bus. It also uses
RPMsg as the communication channel with the Firmware.

Signed-off-by: Nipun Gupta <nipun.gupta@amd.com>
Signed-off-by: Puneet Gupta <puneet.gupta@amd.com>
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
Signed-off-by: Nikhil Agarwal <nikhil.agarwal@amd.com>
Reviewed-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Tested-by: Nikhil Agarwal <nikhil.agarwal@amd.com>
Link: https://lore.kernel.org/r/20230313132636.31850-6-nipun.gupta@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nipun Gupta
2023-03-13 18:56:34 +05:30
committed by Greg Kroah-Hartman
parent eb96b74019
commit 8a7923df35
5 changed files with 373 additions and 1 deletions
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9
drivers/cdx/controller/Kconfig
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@@ -7,6 +7,15 @@
if CDX_BUS
config CDX_CONTROLLER
tristate "CDX bus controller"
help
CDX controller drives the CDX bus. It interacts with
firmware to get the hardware devices and registers with
the CDX bus. Say Y to enable the CDX hardware driver.
If unsure, say N.
config MCDI_LOGGING
bool "MCDI Logging for the CDX controller"
depends on CDX_CONTROLLER