diff options
Diffstat (limited to 'platform/ext/target/arm/musca_b1/secure_enclave/Device/Source/system_core_init.c')
-rw-r--r-- | platform/ext/target/arm/musca_b1/secure_enclave/Device/Source/system_core_init.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/platform/ext/target/arm/musca_b1/secure_enclave/Device/Source/system_core_init.c b/platform/ext/target/arm/musca_b1/secure_enclave/Device/Source/system_core_init.c new file mode 100644 index 0000000000..2c45fd7fee --- /dev/null +++ b/platform/ext/target/arm/musca_b1/secure_enclave/Device/Source/system_core_init.c @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2009-2020 Arm Limited. All rights reserved. + * + * 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. + */ + +/* + * This file is derivative of CMSIS V5.01: + * \Device\ARM\ARMCM0plus\Source\system_ARMCM0plus.c + */ + +#include "system_core_init.h" +#include "cmsis.h" + +/*---------------------------------------------------------------------------- + Define clocks + *----------------------------------------------------------------------------*/ +#define SYSTEM_CLOCK (40960000UL) +#define PERIPHERAL_CLOCK (40960000UL) + +/*---------------------------------------------------------------------------- + Externals + *----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- + 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) + extern uint32_t __Vectors; + SCB->VTOR = (uint32_t) &__Vectors; +#endif + SystemCoreClockUpdate(); +} |