/* * Copyright (c) 2021 Arm Limited. All rights reserved. * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "device_mps3.h" #include "bsp_core_log.h" #include "smm_mps3.h" uint32_t GetMPS3CoreClock(void) { const uint32_t default_clock = 32000000; static int warned_once = 0; if (0 != MPS3_SCC->CFG_ACLK) { return MPS3_SCC->CFG_ACLK; } if (!warned_once) { warn("MPS3_SCC->CFG_ACLK reads 0. Assuming default clock of %u\n", default_clock); warned_once = 1; } return default_clock; }