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/*
* Copyright (c) 2009-2021 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
*
* 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.
*/
/*
* This file is derivative of CMSIS V5.6.0 system_ARMv81MML.c
* Git SHA: b5f0603d6a584d1724d952fd8b0737458b90d62b
*/
#include "cmsis.h"
/*----------------------------------------------------------------------------
Define clocks
*----------------------------------------------------------------------------*/
#define XTAL (32000000UL)
#define SYSTEM_CLOCK (XTAL)
#define PERIPHERAL_CLOCK (25000000UL)
/*----------------------------------------------------------------------------
Externals
*----------------------------------------------------------------------------*/
#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
extern uint32_t __VECTOR_TABLE;
#endif
/*----------------------------------------------------------------------------
System Core Clock Variable
*----------------------------------------------------------------------------*/
uint32_t SystemCoreClock = SYSTEM_CLOCK;
uint32_t PeripheralClock = PERIPHERAL_CLOCK;
/*----------------------------------------------------------------------------
System Core Clock update function
*----------------------------------------------------------------------------*/
void SystemCoreClockUpdate (void)
{
SystemCoreClock = SYSTEM_CLOCK;
PeripheralClock = PERIPHERAL_CLOCK;
}
/*----------------------------------------------------------------------------
System initialization function
*----------------------------------------------------------------------------*/
void SystemInit (void)
{
#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
SCB->VTOR = (uint32_t)(&__VECTOR_TABLE);
#endif
#if (defined (__FPU_USED) && (__FPU_USED == 1U)) || \
(defined (__ARM_FEATURE_MVE) && (__ARM_FEATURE_MVE == 1U))
SCB->CPACR |= ((3U << 10U*2U) | /* enable CP10 Full Access */
(3U << 11U*2U) ); /* enable CP11 Full Access */
#endif
#ifdef UNALIGNED_SUPPORT_DISABLE
SCB->CCR |= SCB_CCR_UNALIGN_TRP_Msk;
#endif
}
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