1#
2# Copyright (c) 2019-2021 Arm Limited. All rights reserved.
3#
4# SPDX-License-Identifier: Apache-2.0
5#
6# Licensed under the Apache License, Version 2.0 (the License); you may
7# not use this file except in compliance with the License.
8# You may obtain a copy of the License at
9#
10# www.apache.org/licenses/LICENSE-2.0
11#
12# Unless required by applicable law or agreed to in writing, software
13# distributed under the License is distributed on an AS IS BASIS, WITHOUT
14# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15# See the License for the specific language governing permissions and
16# limitations under the License.
17#
18
19cmake_minimum_required(VERSION 3.15.6)
20
21project(ethosu_core_driver VERSION 0.0.1)
22
23#
24# Build options
25#
26
27option(DRIVER_PMU_AUTOINIT "Enable PMU boot auto-initialization" OFF)
28
29set(CMSIS_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../cmsis" CACHE PATH "Path to CMSIS.")
30
31set(LOG_NAMES err warning info debug)
32set(ETHOSU_LOG_SEVERITY "warning" CACHE STRING "Driver log severity level ${LOG_NAMES} (Defaults to 'warning')")
33set(ETHOSU_TARGET_NPU_CONFIG "ethos-u55-128" CACHE STRING "Default NPU configuration")
34set_property(CACHE ETHOSU_LOG_SEVERITY PROPERTY STRINGS ${LOG_NAMES})
35
36#
37# Global settings
38#
39
40# Check that ETHOSU_LOG_SEVERITY has one of the supported levels
41list(FIND LOG_NAMES ${ETHOSU_LOG_SEVERITY} LOG_SEVERITY)
42if (${LOG_SEVERITY} EQUAL -1)
43    message(FATAL_ERROR "Unsupported log level ${ETHOSU_LOG_SEVERITY}")
44endif()
45
46# Make include directories available for current- and sub projects
47include_directories(include src)
48include_directories(${CMSIS_PATH}/CMSIS/Core/Include)
49
50#
51# Build libraries
52#
53
54# Build driver library
55add_library(ethosu_core_driver STATIC)
56target_include_directories(ethosu_core_driver PUBLIC include)
57target_sources(ethosu_core_driver PRIVATE src/ethosu_driver.c src/ethosu_pmu.c)
58
59string(TOLOWER ${ETHOSU_TARGET_NPU_CONFIG} ETHOSU_TARGET_NPU_CONFIG)
60if(ETHOSU_TARGET_NPU_CONFIG MATCHES "^ethos-(u[0-9]+|uz)-([0-9]+$)")
61    set(ETHOSU_ARCH ${CMAKE_MATCH_1})
62    set(ETHOSU_MACS ${CMAKE_MATCH_2})
63else()
64    message(FATAL_ERROR "Invalid Ethos-U target configuration '${ETHOSU_TARGET_NPU_CONFIG}")
65endif()
66
67target_compile_definitions(ethosu_core_driver PRIVATE
68    ETHOSU_ARCH=${ETHOSU_ARCH}
69    ETHOS$<UPPER_CASE:${ETHOSU_ARCH}>)
70
71if (ETHOSU_ARCH STREQUAL "u55" OR ETHOSU_ARCH STREQUAL "u65")
72    target_sources(ethosu_core_driver PRIVATE src/ethosu_device_u55_u65.c)
73else()
74    message(FATAL_ERROR "Invalid NPU configuration")
75endif()
76
77
78# Set the log level for the target
79target_compile_definitions(ethosu_core_driver PRIVATE ETHOSU_LOG_SEVERITY=${LOG_SEVERITY})
80
81# Install library and include files
82install(TARGETS ethosu_core_driver LIBRARY DESTINATION "lib")
83install(FILES include/ethosu_device.h include/ethosu_driver.h include/pmu_ethosu.h
84        DESTINATION "include")
85
86#
87# Print build status
88#
89
90message(STATUS "*******************************************************")
91message(STATUS "PROJECT_NAME                           : ${PROJECT_NAME}")
92message(STATUS "ETHOSU_TARGET_NPU_CONFIG               : ${ETHOSU_TARGET_NPU_CONFIG}")
93message(STATUS "CMAKE_SYSTEM_PROCESSOR                 : ${CMAKE_SYSTEM_PROCESSOR}")
94message(STATUS "CMSIS_PATH                             : ${CMSIS_PATH}")
95message(STATUS "ETHOSU_LOG_SEVERITY                    : ${ETHOSU_LOG_SEVERITY}")
96message(STATUS "*******************************************************")
97