94 lines
2.0 KiB
C
94 lines
2.0 KiB
C
/*
|
|
* Copyright (c) 2019 Nordic Semiconductor ASA
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* @brief System/hardware module for Nordic Semiconductor nRF53 family processor
|
|
*
|
|
* This module provides routines to initialize and support board-level hardware
|
|
* for the Nordic Semiconductor nRF53 family processor.
|
|
*/
|
|
|
|
#include <kernel.h>
|
|
#include <init.h>
|
|
#include <arch/arm/aarch32/cortex_m/cmsis.h>
|
|
#include <soc/nrfx_coredep.h>
|
|
#include <logging/log.h>
|
|
|
|
#ifdef CONFIG_RUNTIME_NMI
|
|
extern void z_arm_nmi_init(void);
|
|
#define NMI_INIT() z_arm_nmi_init()
|
|
#else
|
|
#define NMI_INIT()
|
|
#endif
|
|
|
|
#if defined(CONFIG_SOC_NRF5340_CPUAPP)
|
|
#include <system_nrf5340_application.h>
|
|
#elif defined(CONFIG_SOC_NRF5340_CPUNET)
|
|
#include <system_nrf5340_network.h>
|
|
#else
|
|
#error "Unknown nRF53 SoC."
|
|
#endif
|
|
|
|
#define LOG_LEVEL CONFIG_SOC_LOG_LEVEL
|
|
LOG_MODULE_REGISTER(soc);
|
|
|
|
static int nordicsemi_nrf53_init(struct device *arg)
|
|
{
|
|
u32_t key;
|
|
|
|
ARG_UNUSED(arg);
|
|
|
|
key = irq_lock();
|
|
|
|
#ifdef CONFIG_NRF_ENABLE_CACHE
|
|
#ifdef CONFIG_SOC_NRF5340_CPUAPP
|
|
/* Enable the instruction & data cache */
|
|
NRF_CACHE->ENABLE = CACHE_ENABLE_ENABLE_Msk;
|
|
#endif /* CONFIG_SOC_NRF5340_CPUAPP */
|
|
#ifdef CONFIG_SOC_NRF5340_CPUNET
|
|
NRF_NVMC->ICACHECNF |= NVMC_ICACHECNF_CACHEEN_Enabled;
|
|
#endif /* CONFIG_SOC_NRF5340_CPUNET */
|
|
#endif
|
|
|
|
#if defined(CONFIG_SOC_NRF5340_CPUAPP) && \
|
|
!defined(CONFIG_TRUSTED_EXECUTION_NONSECURE)
|
|
*((u32_t *)0x500046D0) = 0x1;
|
|
#endif
|
|
|
|
#if defined(CONFIG_SOC_DCDC_NRF53X_APP)
|
|
NRF_REGULATORS->VREGMAIN.DCDCEN = 1;
|
|
#endif
|
|
#if defined(CONFIG_SOC_DCDC_NRF53X_NET)
|
|
NRF_REGULATORS->VREGRADIO.DCDCEN = 1;
|
|
#endif
|
|
#if defined(CONFIG_SOC_DCDC_NRF53X_HV)
|
|
NRF_REGULATORS->VREGH.DCDCEN = 1;
|
|
#endif
|
|
|
|
/* Install default handler that simply resets the CPU
|
|
* if configured in the kernel, NOP otherwise
|
|
*/
|
|
NMI_INIT();
|
|
|
|
irq_unlock(key);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void arch_busy_wait(u32_t time_us)
|
|
{
|
|
nrfx_coredep_delay_us(time_us);
|
|
}
|
|
|
|
void z_platform_init(void)
|
|
{
|
|
SystemInit();
|
|
}
|
|
|
|
|
|
SYS_INIT(nordicsemi_nrf53_init, PRE_KERNEL_1, 0);
|