Commit 1a7576ce authored by Mahesh Rao's avatar Mahesh Rao Committed by Anas Nashif
Browse files

drivers: sip_svc: Add driver for SiP Supervisory call 



Add driver for communicating with EL3/EL2 layer using smc/hvc call
for Silicon vendor Provided services for INTEL AGILEX SOC FPGA.

Signed-off-by: default avatarMahesh Rao <mahesh.rao@intel.com>
parent 4c66ac81

drivers/CMakeLists.txt

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@@ -76,3 +76,4 @@ add_subdirectory_ifdef(CONFIG_W1 w1) 
add_subdirectory_ifdef(CONFIG_WATCHDOG watchdog)

add_subdirectory_ifdef(CONFIG_WIFI wifi)

add_subdirectory_ifdef(CONFIG_RTC rtc)

add_subdirectory_ifdef(CONFIG_ARM_SIP_SVC_DRIVER sip_svc)

drivers/Kconfig

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@@ -79,5 +79,6 @@ source "drivers/w1/Kconfig" 
source "drivers/watchdog/Kconfig"

source "drivers/wifi/Kconfig"

source "drivers/xen/Kconfig"

source "drivers/sip_svc/Kconfig"



endmenu

drivers/sip_svc/CMakeLists.txt

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# Copyright (c) 2023 Intel Corporation

# SPDX-License-Identifier: Apache-2.0



zephyr_library()

zephyr_library_sources_ifdef(CONFIG_ARM_SIP_SVC_HAS_INTEL_SDM_MAILBOX_FIFO sip_smc_intel_socfpga.c)

drivers/sip_svc/Kconfig

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# Silicon vendor Provided Supervisory call driver for sip_svc subsystem



# Copyright (c) 2023 Intel Corporation

# SPDX-License-Identifier: Apache-2.0



menuconfig ARM_SIP_SVC_DRIVER

	bool "ARM SIP SVC driver"

	depends on ARM64

	help

	  ARM supervisory call driver for communicating with EL2 or EL3 firmware



if ARM_SIP_SVC_DRIVER



module = ARM_SIP_SVC_DRIVER

module-str = arm_sip_svc_driver

source "subsys/logging/Kconfig.template.log_config"



config ARM_SIP_SVC_DRIVER_INIT_PRIORITY

	int "Initialization priority"

	default 50



config ARM_SIP_SVC_HAS_DRIVER

	bool

	help

	   This is an option to be enabled by individual sip svc driver

	   to signal that there is a sip svc driver. This is used by other

	   modules which depends on sip svc driver.



source "drivers/sip_svc/Kconfig.sip_smc_agilex"



endif # ARM_SIP_SVC_DRIVER

drivers/sip_svc/Kconfig.sip_smc_agilex

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# Copyright (c) 2023 Intel Corporation

# SPDX-License-Identifier: Apache-2.0



config ARM_SIP_SVC_HAS_INTEL_SDM_MAILBOX_FIFO

	bool

	default y

	depends on DT_HAS_INTEL_AGILEX_SOCFPGA_SIP_SMC_ENABLED

	imply ARM_SIP_SVC_HAS_DRIVER

	help

	  Support for SDM mailbox fifo in Intel SoC FPGA Agilex via SMC calls.



config ARM_SIP_SVC_EL3_MAILBOX_RESPONSE_SIZE

	int "Size of response buffer used for ASYNC transactions."

	default 4096

	depends on ARM_SIP_SVC_HAS_INTEL_SDM_MAILBOX_FIFO

	help

	  Size of response buffer used for ASYNC transactions.For Intel Agilex platform

	  the maximum size of response buffer size is 4096 and minimum is 4 bytes.

	  Also it should be multiple of 4 bytes.



config ARM_SIP_SVC_EL3_MAX_ALLOWED_TRANSACTIONS

	int "Maximum allowable ongoing transactions."

	default 16

	depends on ARM_SIP_SVC_HAS_INTEL_SDM_MAILBOX_FIFO

	help

	  Allowed number of active transactions in sip_svc subsystem for this driver.

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