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modules: add an Arm Ethos-U HAL module

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Adding module files for building the Arm Ethos-U Core driver.
Updating TFLU module file to build Ethos-U operator.

Adding hal_ethos_u to west manifest.

Signed-off-by: Kristofer Jonsson <kristofer.jonsson@arm.com>
Signed-off-by: Fredrik Knutsson <fredrik.knutsson@arm.com>
This commit is contained in:
Kristofer Jonsson 2022-05-30 16:17:20 +02:00 • committed by Carles Cufí
commit 02d4714aff
4 changed files with 80 additions and 1 deletions
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25
modules/hal_ethos_u/CMakeLists.txt Normal file
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# Copyright 2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
#
# SPDX-License-Identifier: Apache-2.0
if(CONFIG_ARM_ETHOS_U AND CONFIG_MULTITHREADING)
set(ETHOSU_TARGET_NPU_CONFIG ${CONFIG_ARM_ETHOS_U_NPU_NAME})
# Mapping log level from Zephyr (none=0, err=1, wrn=2, inf=3, dbg=4) to
# Ethos-U driver (err=0, warn=1, info=2, debug=3)
set(ETHOSU_LOG_SEVERITY_MAP err err warning info debug)
list(LENGTH ETHOSU_LOG_SEVERITY_MAP ETHOSU_LOG_SEVERITY_MAP_LENGTH)
if ("${CONFIG_ARM_ETHOS_U_LOG_LEVEL}" LESS_EQUAL "${ETHOSU_LOG_SEVERITY_MAP_LENGTH}")
list(GET ETHOSU_LOG_SEVERITY_MAP ${CONFIG_ARM_ETHOS_U_LOG_LEVEL} ETHOSU_LOG_SEVERITY)
else()
set(ETHOSU_LOG_SEVERITY debug)
endif()
add_subdirectory(${ZEPHYR_CURRENT_MODULE_DIR} ethos-u-core-driver)
target_link_libraries(ethosu_core_driver PUBLIC
zephyr_interface)
zephyr_link_libraries(ethosu_core_driver)
endif()

45
modules/hal_ethos_u/Kconfig Normal file
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# Copyright 2021-2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
#
# SPDX-License-Identifier: Apache-2.0
config ARM_ETHOS_U
bool "Ethos-U core driver"
default n
depends on MULTITHREADING
help
This option enables the Arm Ethos-U core driver.
menu "Arm Ethos-U NPU configuration"
choice ARM_ETHOS_U_NPU_CONFIG
prompt "Arm Ethos-U NPU configuration"
depends on ARM_ETHOS_U
default ARM_ETHOS_U55_128
config ARM_ETHOS_U55_64
bool "using Ethos-U55 with 64 macs"
config ARM_ETHOS_U55_128
bool "using Ethos-U55 with 128 macs"
config ARM_ETHOS_U55_256
bool "using Ethos-U55 with 256 macs"
config ARM_ETHOS_U65_128
bool "using Ethos-U65 with 128 macs"
config ARM_ETHOS_U65_256
bool "using Ethos-U65 with 256 macs"
config ARM_ETHOS_U65_512
bool "using Ethos-U65 with 512 macs"
endchoice
endmenu
config ARM_ETHOS_U_NPU_NAME
string
default "ethos-u55-64" if ARM_ETHOS_U55_64
default "ethos-u55-128" if ARM_ETHOS_U55_128
default "ethos-u55-256" if ARM_ETHOS_U55_256
default "ethos-u65-128" if ARM_ETHOS_U65_128
default "ethos-u65-256" if ARM_ETHOS_U65_256
default "ethos-u65-512" if ARM_ETHOS_U65_512
help
Name of the used Arm NPU
module = ARM_ETHOS_U
module-str = arm_ethos_u
source "subsys/logging/Kconfig.template.log_config"