zephyr/boards/arm/bl5340_dvk/bl5340_dvk_cpunet_reset.c

62 lines
1.7 KiB
C

/*
* Copyright (c) 2019-2021 Nordic Semiconductor ASA.
* Copyright (c) 2021-2023 Laird Connectivity
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/kernel.h>
#include <zephyr/init.h>
#include <zephyr/logging/log.h>
#include <soc.h>
#include <hal/nrf_reset.h>
LOG_MODULE_REGISTER(bl5340_dvk_cpuapp, CONFIG_LOG_DEFAULT_LEVEL);
#if defined(CONFIG_BT_CTLR_DEBUG_PINS_CPUAPP)
#include <../subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/debug.h>
#else
#define DEBUG_SETUP()
#endif
static void remoteproc_mgr_config(void)
{
#if !defined(CONFIG_TRUSTED_EXECUTION_NONSECURE) || defined(CONFIG_BUILD_WITH_TFM)
/* Route Bluetooth Controller Debug Pins */
DEBUG_SETUP();
#endif /* !defined(CONFIG_TRUSTED_EXECUTION_NONSECURE) || defined(CONFIG_BUILD_WITH_TFM) */
#if !defined(CONFIG_TRUSTED_EXECUTION_NONSECURE)
/* Retain nRF5340 Network MCU in Secure domain (bus
* accesses by Network MCU will have Secure attribute set).
*/
NRF_SPU->EXTDOMAIN[0].PERM = 1 << 4;
#endif /* !defined(CONFIG_TRUSTED_EXECUTION_NONSECURE) */
}
static int remoteproc_mgr_boot(void)
{
/* Secure domain may configure permissions for the Network MCU. */
remoteproc_mgr_config();
#if !defined(CONFIG_TRUSTED_EXECUTION_SECURE)
/*
* Building Zephyr with CONFIG_TRUSTED_EXECUTION_SECURE=y implies
* building also a Non-Secure image. The Non-Secure image will, in
* this case do the remainder of actions to properly configure and
* boot the Network MCU.
*/
/* Release the Network MCU, 'Release force off signal' */
nrf_reset_network_force_off(NRF_RESET, false);
LOG_DBG("Network MCU released.");
#endif /* !CONFIG_TRUSTED_EXECUTION_SECURE */
return 0;
}
SYS_INIT(remoteproc_mgr_boot, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);