53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/*
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* Copyright (c) 2016 Nordic Semiconductor ASA
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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 Nordic Semiconductor nRF52 family processor
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*
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* This module provides routines to initialize and support board-level hardware
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* for the Nordic Semiconductor nRF52 family processor.
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*/
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#include <zephyr/devicetree.h>
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#include <zephyr/dt-bindings/regulator/nrf5x.h>
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#include <zephyr/kernel.h>
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#include <zephyr/init.h>
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#include <hal/nrf_power.h>
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#include <soc/nrfx_coredep.h>
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#include <zephyr/logging/log.h>
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#include <cmsis_core.h>
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#define LOG_LEVEL CONFIG_SOC_LOG_LEVEL
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LOG_MODULE_REGISTER(soc);
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static int nordicsemi_nrf52_init(void)
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{
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#ifdef CONFIG_NRF_ENABLE_ICACHE
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/* Enable the instruction cache */
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NRF_NVMC->ICACHECNF = NVMC_ICACHECNF_CACHEEN_Msk;
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#endif
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#if defined(CONFIG_SOC_DCDC_NRF52X) || (DT_PROP(DT_INST(0, nordic_nrf5x_regulator), \
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regulator_initial_mode) == NRF5X_REG_MODE_DCDC)
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nrf_power_dcdcen_set(NRF_POWER, true);
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#endif
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#if NRF_POWER_HAS_DCDCEN_VDDH && (defined(CONFIG_SOC_DCDC_NRF52X_HV) || \
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DT_NODE_HAS_STATUS_OKAY(DT_INST(0, nordic_nrf52x_regulator_hv)))
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nrf_power_dcdcen_vddh_set(NRF_POWER, true);
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#endif
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return 0;
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}
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void arch_busy_wait(uint32_t time_us)
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{
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nrfx_coredep_delay_us(time_us);
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}
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SYS_INIT(nordicsemi_nrf52_init, PRE_KERNEL_1, 0);
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