123 lines
2.6 KiB
C
123 lines
2.6 KiB
C
/*
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* Copyright (c) 2019 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 nRF53 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 nRF53 family processor.
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*/
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#include <kernel.h>
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#include <init.h>
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#include <arch/arm/aarch32/cortex_m/cmsis.h>
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#include <soc/nrfx_coredep.h>
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#include <logging/log.h>
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#ifdef CONFIG_RUNTIME_NMI
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extern void z_arm_nmi_init(void);
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#define NMI_INIT() z_arm_nmi_init()
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#else
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#define NMI_INIT()
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#endif
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#if defined(CONFIG_SOC_NRF5340_CPUAPP)
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#include <system_nrf5340_application.h>
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#elif defined(CONFIG_SOC_NRF5340_CPUNET)
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#include <system_nrf5340_network.h>
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#else
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#error "Unknown nRF53 SoC."
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#endif
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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_nrf53_init(const struct device *arg)
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{
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uint32_t key;
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ARG_UNUSED(arg);
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key = irq_lock();
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#ifdef CONFIG_NRF_ENABLE_CACHE
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#ifdef CONFIG_SOC_NRF5340_CPUAPP
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/* Enable the instruction & data cache */
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NRF_CACHE->ENABLE = CACHE_ENABLE_ENABLE_Msk;
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#endif /* CONFIG_SOC_NRF5340_CPUAPP */
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#ifdef CONFIG_SOC_NRF5340_CPUNET
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NRF_NVMC->ICACHECNF |= NVMC_ICACHECNF_CACHEEN_Enabled;
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#endif /* CONFIG_SOC_NRF5340_CPUNET */
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#endif
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#if defined(CONFIG_SOC_NRF5340_CPUAPP) && \
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!defined(CONFIG_TRUSTED_EXECUTION_NONSECURE)
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*((uint32_t *)0x500046D0) = 0x1;
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#endif
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#if defined(CONFIG_SOC_DCDC_NRF53X_APP)
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NRF_REGULATORS->VREGMAIN.DCDCEN = 1;
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#endif
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#if defined(CONFIG_SOC_DCDC_NRF53X_NET)
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NRF_REGULATORS->VREGRADIO.DCDCEN = 1;
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#endif
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#if defined(CONFIG_SOC_DCDC_NRF53X_HV)
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NRF_REGULATORS->VREGH.DCDCEN = 1;
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#endif
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/* Install default handler that simply resets the CPU
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* if configured in the kernel, NOP otherwise
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*/
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NMI_INIT();
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irq_unlock(key);
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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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void z_platform_init(void)
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{
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SystemInit();
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}
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#if defined(CONFIG_SOC_NRF5340_CPUAPP) && \
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!defined(CONFIG_TRUSTED_EXECUTION_NONSECURE)
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bool nrf53_has_erratum19(void)
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{
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if (NRF_FICR->INFO.PART == 0x5340) {
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if (NRF_FICR->INFO.VARIANT == 0x41414142) {
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return true;
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}
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}
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return false;
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}
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#ifndef CONFIG_NRF5340_CPUAPP_ERRATUM19
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static int check_erratum19(const struct device *arg)
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{
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ARG_UNUSED(arg);
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if (nrf53_has_erratum19()) {
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LOG_ERR("This device is affected by nRF53 Erratum 19,");
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LOG_ERR("but workarounds have not been enabled.");
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LOG_ERR("See CONFIG_NRF5340_CPUAPP_ERRATUM19.");
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k_panic();
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}
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return 0;
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}
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SYS_INIT(check_erratum19, POST_KERNEL, CONFIG_APPLICATION_INIT_PRIORITY);
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#endif
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#endif
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SYS_INIT(nordicsemi_nrf53_init, PRE_KERNEL_1, 0);
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