forked from Imagelibrary/rtems
d735d4459c
This BSP supports a custom STM32U5 based board. It uses a similar structure like the existing STM32H7 BSP and therefore should be well adaptable to other boards. Co-authored-by: Christian Mauderer <christian.mauderer@embedded-brains.de>
66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup RTEMSBSPsARMSTM32U5
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*
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* @brief Oscillator configuration for the STM32U5
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*/
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/*
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* Copyright (C) 2024 embedded brains GmbH & Co. KG
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stm32u5/hal.h>
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const RCC_OscInitTypeDef stm32u5_config_oscillator = {
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.OscillatorType = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSI |
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RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_MSI |
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RCC_OSCILLATORTYPE_LSE,
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.HSEState = RCC_HSE_ON,
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.HSIState = RCC_HSI_ON,
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.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT,
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.LSIState = RCC_LSI_ON,
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.MSIState = RCC_MSI_ON,
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.LSEState = RCC_LSE_ON_RTC_ONLY,
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.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT,
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.MSIClockRange = RCC_MSIRANGE_0,
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.LSIDiv = RCC_LSI_DIV1,
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.PLL.PLLState = RCC_PLL_ON,
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.PLL.PLLSource = RCC_PLLSOURCE_HSE,
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.PLL.PLLMBOOST = RCC_PLLMBOOST_DIV1,
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.PLL.PLLM = 1,
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.PLL.PLLN = 20,
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.PLL.PLLP = 5,
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.PLL.PLLQ = 2,
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.PLL.PLLR = 2,
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.PLL.PLLRGE = RCC_PLLVCIRANGE_1,
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.PLL.PLLFRACN = 0
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};
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