zephyr/drivers/bluetooth/hci/nrf53_support.c

50 lines
1.4 KiB
C

/*
* Copyright (c) 2023 Pawel Osypiuk <pawelosyp@gmail.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <soc.h>
#include <zephyr/device.h>
#include <nrf53_cpunet_mgmt.h>
#if defined(CONFIG_BT_CTLR_DEBUG_PINS_CPUAPP)
#include <../subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/debug.h>
#else
#define DEBUG_SETUP()
#endif /* defined(CONFIG_BT_CTLR_DEBUG_PINS_CPUAPP) */
#define LOG_LEVEL CONFIG_BT_HCI_DRIVER_LOG_LEVEL
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(bt_hci_nrf53_support);
int bt_hci_transport_teardown(const struct device *dev)
{
ARG_UNUSED(dev);
/* Put the Network MCU in Forced-OFF mode. */
nrf53_cpunet_enable(false);
LOG_DBG("Network MCU placed in Forced-OFF mode");
return 0;
}
int bt_hci_transport_setup(const struct device *dev)
{
ARG_UNUSED(dev);
#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) */
/* Release the Network MCU, 'Release force off signal' */
nrf53_cpunet_enable(true);
return 0;
}