77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
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* Copyright (c) 2019-2021 Nordic Semiconductor ASA.
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* Copyright (c) 2021 Laird Connectivity
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr.h>
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#include <init.h>
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#include <logging/log.h>
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#include <soc.h>
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LOG_MODULE_REGISTER(bl5340_dvk_cpuapp, CONFIG_LOG_DEFAULT_LEVEL);
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#if !defined(CONFIG_TRUSTED_EXECUTION_NONSECURE)
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/* This should come from DTS, possibly an overlay. */
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#if defined(CONFIG_BOARD_BL5340_DVK_CPUAPP)
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#define CPUNET_UARTE_PIN_TX 8
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#define CPUNET_UARTE_PIN_RX 10
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#define CPUNET_UARTE_PORT_TRX NRF_P1
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#define CPUNET_UARTE_PIN_RTS 7
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#define CPUNET_UARTE_PIN_CTS 9
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#define CPUNET_UARTE_PORT_RCTS NRF_P1
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#endif
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static void remoteproc_mgr_config(void)
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{
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/* UARTE */
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/* Assign specific GPIOs that will be used to get UARTE from
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* nRF5340 Network MCU.
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*/
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CPUNET_UARTE_PORT_TRX->PIN_CNF[CPUNET_UARTE_PIN_TX] =
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GPIO_PIN_CNF_MCUSEL_NetworkMCU << GPIO_PIN_CNF_MCUSEL_Pos;
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CPUNET_UARTE_PORT_TRX->PIN_CNF[CPUNET_UARTE_PIN_RX] =
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GPIO_PIN_CNF_MCUSEL_NetworkMCU << GPIO_PIN_CNF_MCUSEL_Pos;
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CPUNET_UARTE_PORT_RCTS->PIN_CNF[CPUNET_UARTE_PIN_RTS] =
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GPIO_PIN_CNF_MCUSEL_NetworkMCU << GPIO_PIN_CNF_MCUSEL_Pos;
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CPUNET_UARTE_PORT_RCTS->PIN_CNF[CPUNET_UARTE_PIN_CTS] =
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GPIO_PIN_CNF_MCUSEL_NetworkMCU << GPIO_PIN_CNF_MCUSEL_Pos;
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/* Retain nRF5340 Network MCU in Secure domain (bus
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* accesses by Network MCU will have Secure attribute set).
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*/
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NRF_SPU->EXTDOMAIN[0].PERM = 1 << 4;
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}
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#endif /* !CONFIG_TRUSTED_EXECUTION_NONSECURE */
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static int remoteproc_mgr_boot(const struct device *dev)
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{
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ARG_UNUSED(dev);
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#if !defined(CONFIG_TRUSTED_EXECUTION_NONSECURE)
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/* Secure domain may configure permissions for the Network MCU. */
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remoteproc_mgr_config();
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#endif /* !CONFIG_TRUSTED_EXECUTION_NONSECURE */
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#if !defined(CONFIG_TRUSTED_EXECUTION_SECURE)
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/*
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* Building Zephyr with CONFIG_TRUSTED_EXECUTION_SECURE=y implies
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* building also a Non-Secure image. The Non-Secure image will, in
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* this case do the remainder of actions to properly configure and
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* boot the Network MCU.
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*/
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/* Release the Network MCU, 'Release force off signal' */
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NRF_RESET->NETWORK.FORCEOFF = RESET_NETWORK_FORCEOFF_FORCEOFF_Release;
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LOG_DBG("Network MCU released.");
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#endif /* !CONFIG_TRUSTED_EXECUTION_SECURE */
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return 0;
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}
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SYS_INIT(remoteproc_mgr_boot, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);
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