69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
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/*
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* Copyright (c) 2024 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 Nordic Semiconductor nRF53 processors family management helper for the network CPU.
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*/
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#include <nrf53_cpunet_mgmt.h>
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#include <zephyr/kernel.h>
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#include <zephyr/init.h>
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#include <zephyr/sys/__assert.h>
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#include <zephyr/sys/notify.h>
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#include <zephyr/sys/onoff.h>
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#include <hal/nrf_reset.h>
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static struct onoff_manager cpunet_mgr;
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static void onoff_start(struct onoff_manager *mgr, onoff_notify_fn notify)
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{
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nrf_reset_network_force_off(NRF_RESET, false);
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notify(mgr, 0);
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}
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static void onoff_stop(struct onoff_manager *mgr, onoff_notify_fn notify)
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{
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nrf_reset_network_force_off(NRF_RESET, true);
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notify(mgr, 0);
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}
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static int nrf53_cpunet_mgmt_init(void)
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{
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static const struct onoff_transitions transitions = {
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.start = onoff_start,
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.stop = onoff_stop
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};
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return onoff_manager_init(&cpunet_mgr, &transitions);
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}
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SYS_INIT(nrf53_cpunet_mgmt_init, PRE_KERNEL_1, 0);
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void nrf53_cpunet_enable(bool on)
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{
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int ret;
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int ignored;
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struct onoff_client cli;
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if (on) {
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sys_notify_init_spinwait(&cli.notify);
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ret = onoff_request(&cpunet_mgr, &cli);
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__ASSERT_NO_MSG(ret >= 0);
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/* The transition is synchronous and shall take effect immediately. */
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ret = sys_notify_fetch_result(&cli.notify, &ignored);
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} else {
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ret = onoff_release(&cpunet_mgr);
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}
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__ASSERT_NO_MSG(ret >= 0);
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}
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