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| Rev | Author | Line No. | Line |
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| 2 | mjames | 1 | /**************************************************************************//** |
| 2 | * @file system_ARMCM33.c |
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| 3 | * @brief CMSIS Device System Source File for |
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| 4 | * ARMCM33 Device Series |
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| 5 | * @version V5.00 |
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| 6 | * @date 02. November 2016 |
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| 7 | ******************************************************************************/ |
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| 8 | /* |
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| 9 | * Copyright (c) 2009-2016 ARM Limited. All rights reserved. |
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| 10 | * |
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| 11 | * SPDX-License-Identifier: Apache-2.0 |
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| 12 | * |
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| 13 | * Licensed under the Apache License, Version 2.0 (the License); you may |
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| 14 | * not use this file except in compliance with the License. |
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| 15 | * You may obtain a copy of the License at |
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| 16 | * |
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| 17 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 18 | * |
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| 19 | * Unless required by applicable law or agreed to in writing, software |
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| 20 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
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| 21 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 22 | * See the License for the specific language governing permissions and |
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| 23 | * limitations under the License. |
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| 24 | */ |
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| 25 | |||
| 26 | #if defined (ARMCM33) |
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| 27 | #include "ARMCM33.h" |
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| 28 | #elif defined (ARMCM33_TZ) |
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| 29 | #include "ARMCM33_TZ.h" |
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| 30 | |||
| 31 | #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) |
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| 32 | #include "partition_ARMCM33.h" |
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| 33 | #endif |
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| 34 | #elif defined (ARMCM33_DSP_FP) |
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| 35 | #include "ARMCM33_DSP_FP.h" |
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| 36 | #elif defined (ARMCM33_DSP_FP_TZ) |
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| 37 | #include "ARMCM33_DSP_FP_TZ.h" |
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| 38 | |||
| 39 | #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) |
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| 40 | #include "partition_ARMCM33.h" |
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| 41 | #endif |
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| 42 | #else |
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| 43 | #error device not specified! |
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| 44 | #endif |
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| 45 | |||
| 46 | /*---------------------------------------------------------------------------- |
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| 47 | Define clocks |
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| 48 | *----------------------------------------------------------------------------*/ |
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| 49 | #define XTAL ( 5000000UL) /* Oscillator frequency */ |
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| 50 | |||
| 51 | #define SYSTEM_CLOCK (5U * XTAL) |
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| 52 | |||
| 53 | |||
| 54 | /*---------------------------------------------------------------------------- |
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| 55 | Externals |
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| 56 | *----------------------------------------------------------------------------*/ |
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| 57 | #if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) |
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| 58 | extern uint32_t __Vectors; |
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| 59 | #endif |
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| 60 | |||
| 61 | /*---------------------------------------------------------------------------- |
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| 62 | System Core Clock Variable |
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| 63 | *----------------------------------------------------------------------------*/ |
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| 64 | uint32_t SystemCoreClock = SYSTEM_CLOCK; |
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| 65 | |||
| 66 | |||
| 67 | /*---------------------------------------------------------------------------- |
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| 68 | System Core Clock update function |
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| 69 | *----------------------------------------------------------------------------*/ |
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| 70 | void SystemCoreClockUpdate (void) |
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| 71 | { |
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| 72 | SystemCoreClock = SYSTEM_CLOCK; |
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| 73 | } |
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| 74 | |||
| 75 | /*---------------------------------------------------------------------------- |
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| 76 | System initialization function |
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| 77 | *----------------------------------------------------------------------------*/ |
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| 78 | void SystemInit (void) |
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| 79 | { |
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| 80 | |||
| 81 | #if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) |
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| 82 | SCB->VTOR = (uint32_t) &__Vectors; |
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| 83 | #endif |
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| 84 | |||
| 85 | #if defined (__FPU_USED) && (__FPU_USED == 1U) |
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| 86 | SCB->CPACR |= ((3U << 10U*2U) | /* set CP10 Full Access */ |
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| 87 | (3U << 11U*2U) ); /* set CP11 Full Access */ |
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| 88 | #endif |
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| 89 | |||
| 90 | #ifdef UNALIGNED_SUPPORT_DISABLE |
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| 91 | SCB->CCR |= SCB_CCR_UNALIGN_TRP_Msk; |
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| 92 | #endif |
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| 93 | |||
| 94 | #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) |
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| 95 | TZ_SAU_Setup(); |
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| 96 | #endif |
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| 97 | |||
| 98 | SystemCoreClock = SYSTEM_CLOCK; |
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| 99 | } |