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34 lines
648 B
34 lines
648 B
/* |
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* Copyright (c) 2016 Open-RnD Sp. z o.o. |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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/** |
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* @file |
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* @brief System/hardware module for STM32F1 processor |
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*/ |
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#include <zephyr/device.h> |
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#include <zephyr/init.h> |
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#include <cmsis_core.h> |
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/** |
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* @brief Perform basic hardware initialization at boot. |
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* |
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* This needs to be run from the very beginning. |
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* So the init priority has to be 0 (zero). |
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* |
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* @return 0 |
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*/ |
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static int stm32f1_init(void) |
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{ |
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/* Update CMSIS SystemCoreClock variable (HCLK) */ |
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/* At reset, system core clock is set to 8 MHz from HSI */ |
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SystemCoreClock = 8000000; |
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return 0; |
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} |
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SYS_INIT(stm32f1_init, PRE_KERNEL_1, 0);
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