c6a03606c2
Replace SYS_INIT with SoC hooks and adapt SoC init code Signed-off-by: Anas Nashif <anas.nashif@intel.com>
71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
/*
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* Copyright (c) 2024 STMicroelectronics
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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 STM32H7RS CM7 processor
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/device.h>
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#include <zephyr/init.h>
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#include <zephyr/cache.h>
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#include <soc.h>
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#include <stm32_ll_bus.h>
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#include <stm32_ll_pwr.h>
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#include <stm32_ll_rcc.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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*/
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void soc_early_init_hook(void)
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{
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sys_cache_instr_enable();
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sys_cache_data_enable();
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/* Update CMSIS SystemCoreClock variable (HCLK) */
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/* At reset, system core clock is set to 64 MHz from HSI */
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SystemCoreClock = 64000000;
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/* Power Configuration */
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#if !defined(SMPS) && \
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(defined(CONFIG_POWER_SUPPLY_DIRECT_SMPS) || \
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defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_LDO) || \
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defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_LDO) || \
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defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_EXT_AND_LDO) || \
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defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_EXT_AND_LDO) || \
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defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_EXT) || \
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defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_EXT))
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#error Unsupported configuration: Selected SoC do not support SMPS
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#endif
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#if defined(CONFIG_POWER_SUPPLY_DIRECT_SMPS)
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LL_PWR_ConfigSupply(LL_PWR_DIRECT_SMPS_SUPPLY);
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#elif defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_LDO)
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LL_PWR_ConfigSupply(LL_PWR_SMPS_1V8_SUPPLIES_LDO);
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#elif defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_LDO)
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LL_PWR_ConfigSupply(LL_PWR_SMPS_2V5_SUPPLIES_LDO);
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#elif defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_EXT_AND_LDO)
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LL_PWR_ConfigSupply(LL_PWR_SMPS_1V8_SUPPLIES_EXT_AND_LDO);
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#elif defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_EXT_AND_LDO)
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LL_PWR_ConfigSupply(LL_PWR_SMPS_2V5_SUPPLIES_EXT_AND_LDO);
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#elif defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_EXT)
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LL_PWR_ConfigSupply(LL_PWR_SMPS_1V8_SUPPLIES_EXT);
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#elif defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_EXT)
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LL_PWR_ConfigSupply(LL_PWR_SMPS_2V5_SUPPLIES_EXT);
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#elif defined(CONFIG_POWER_SUPPLY_EXTERNAL_SOURCE)
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LL_PWR_ConfigSupply(LL_PWR_EXTERNAL_SOURCE_SUPPLY);
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#else
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LL_PWR_ConfigSupply(LL_PWR_LDO_SUPPLY);
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#endif
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LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE1);
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while (LL_PWR_IsActiveFlag_VOSRDY() == 0) {
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}
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}
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