/**************************************************************************//** * @file system_ARMv8MBL.c * @brief CMSIS Device System Source File for * ARMv8MBL Device * @version V1.0.1 * @date 15. November 2019 ******************************************************************************/ /* * Copyright (c) 2009-2019 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 * * 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 "ARMv8MBL.h" #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) #include "partition_ARMv8MBL.h" #endif /*---------------------------------------------------------------------------- Define clocks *----------------------------------------------------------------------------*/ #define XTAL (50000000UL) /* Oscillator frequency */ #define SYSTEM_CLOCK (XTAL / 2U) /*---------------------------------------------------------------------------- Exception / Interrupt Vector table *----------------------------------------------------------------------------*/ extern const VECTOR_TABLE_Type __VECTOR_TABLE[240]; /*---------------------------------------------------------------------------- System Core Clock Variable *----------------------------------------------------------------------------*/ uint32_t SystemCoreClock = SYSTEM_CLOCK; /* System Core Clock Frequency */ /*---------------------------------------------------------------------------- System Core Clock update function *----------------------------------------------------------------------------*/ void SystemCoreClockUpdate (void) { SystemCoreClock = SYSTEM_CLOCK; } /*---------------------------------------------------------------------------- System initialization function *----------------------------------------------------------------------------*/ void SystemInit (void) { #if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) SCB->VTOR = (uint32_t) &(__Vectors[0]); #endif #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) TZ_SAU_Setup(); #endif SystemCoreClock = SYSTEM_CLOCK; }