56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/*
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*
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* Copyright (c) 2019 Ilya Tagunov
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* Copyright (c) 2019 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <soc.h>
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#include <stm32_ll_bus.h>
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#include <stm32_ll_rcc.h>
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#include <stm32_ll_utils.h>
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#include <drivers/clock_control.h>
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#include <sys/util.h>
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#include <drivers/clock_control/stm32_clock_control.h>
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#include "clock_stm32_ll_common.h"
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#ifdef CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL
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/* Macros to fill up multiplication and division factors values */
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#define z_pll_div(v) LL_RCC_PLLM_DIV_ ## v
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#define pll_div(v) z_pll_div(v)
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#define z_pllr(v) LL_RCC_PLLR_DIV_ ## v
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#define pllr(v) z_pllr(v)
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/**
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* @brief Fill PLL configuration structure
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*/
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void config_pll_init(LL_UTILS_PLLInitTypeDef *pllinit)
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{
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pllinit->PLLN = CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER;
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pllinit->PLLM = pll_div(CONFIG_CLOCK_STM32_PLL_M_DIVISOR);
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pllinit->PLLR = pllr(CONFIG_CLOCK_STM32_PLL_R_DIVISOR);
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}
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#endif /* CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL */
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/**
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* @brief Activate default clocks
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*/
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void config_enable_default_clocks(void)
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{
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/* Enable the power interface clock */
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);
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}
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/**
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* @brief Function kept for driver genericity
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*/
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void LL_RCC_MSI_Disable(void)
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{
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/* Do nothing */
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}
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