1 /* 2 * Copyright (c) 2024 Nordic Semiconductor ASA 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 /* 8 * This header is part of mspi_dw.c extracted only for clarity. 9 * It is not supposed to be included by any file other than mspi_dw.c. 10 */ 11 12 #if DT_HAS_COMPAT_STATUS_OKAY(nordic_nrf_exmif) 13 14 #include <nrf.h> 15 vendor_specific_init(const struct device * dev)16static inline void vendor_specific_init(const struct device *dev) 17 { 18 ARG_UNUSED(dev); 19 20 NRF_EXMIF->EVENTS_CORE = 0; 21 NRF_EXMIF->INTENSET = BIT(EXMIF_INTENSET_CORE_Pos); 22 } 23 vendor_specific_suspend(const struct device * dev)24static inline void vendor_specific_suspend(const struct device *dev) 25 { 26 ARG_UNUSED(dev); 27 28 NRF_EXMIF->TASKS_STOP = 1; 29 } 30 vendor_specific_resume(const struct device * dev)31static inline void vendor_specific_resume(const struct device *dev) 32 { 33 ARG_UNUSED(dev); 34 35 NRF_EXMIF->TASKS_START = 1; 36 } 37 vendor_specific_irq_clear(const struct device * dev)38static inline void vendor_specific_irq_clear(const struct device *dev) 39 { 40 ARG_UNUSED(dev); 41 42 NRF_EXMIF->EVENTS_CORE = 0; 43 } 44 45 #if defined(CONFIG_MSPI_XIP) vendor_specific_xip_enable(const struct device * dev,const struct mspi_dev_id * dev_id,const struct mspi_xip_cfg * cfg)46static inline int vendor_specific_xip_enable(const struct device *dev, 47 const struct mspi_dev_id *dev_id, 48 const struct mspi_xip_cfg *cfg) 49 { 50 ARG_UNUSED(dev); 51 52 if (dev_id->dev_idx == 0) { 53 NRF_EXMIF->EXTCONF1.OFFSET = cfg->address_offset; 54 NRF_EXMIF->EXTCONF1.SIZE = cfg->address_offset 55 + cfg->size - 1; 56 NRF_EXMIF->EXTCONF1.ENABLE = 1; 57 } else if (dev_id->dev_idx == 1) { 58 NRF_EXMIF->EXTCONF2.OFFSET = cfg->address_offset; 59 NRF_EXMIF->EXTCONF2.SIZE = cfg->address_offset 60 + cfg->size - 1; 61 NRF_EXMIF->EXTCONF2.ENABLE = 1; 62 } else { 63 return -EINVAL; 64 } 65 66 return 0; 67 } 68 vendor_specific_xip_disable(const struct device * dev,const struct mspi_dev_id * dev_id,const struct mspi_xip_cfg * cfg)69static inline int vendor_specific_xip_disable(const struct device *dev, 70 const struct mspi_dev_id *dev_id, 71 const struct mspi_xip_cfg *cfg) 72 { 73 ARG_UNUSED(dev); 74 ARG_UNUSED(cfg); 75 76 if (dev_id->dev_idx == 0) { 77 NRF_EXMIF->EXTCONF1.ENABLE = 0; 78 } else if (dev_id->dev_idx == 1) { 79 NRF_EXMIF->EXTCONF2.ENABLE = 0; 80 } else { 81 return -EINVAL; 82 } 83 84 return 0; 85 } 86 #endif /* defined(CONFIG_MSPI_XIP) */ 87 88 #endif /* DT_HAS_COMPAT_STATUS_OKAY(nordic_nrf_exmif) */ 89
