| Etienne Carriere | 7ad2c01 | 2019-12-08 08:14:03 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017-2020, STMicroelectronics - All Rights Reserved |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef STM32MP_SHARED_RESOURCES_H |
| 8 | #define STM32MP_SHARED_RESOURCES_H |
| 9 | |
| 10 | #include <stdbool.h> |
| 11 | |
| Etienne Carriere | 1bbb924 | 2020-05-13 14:22:01 +0200 | [diff] [blame] | 12 | #ifdef STM32MP_SHARED_RESOURCES |
| 13 | enum stm32mp_shres; |
| 14 | |
| Etienne Carriere | 7ad2c01 | 2019-12-08 08:14:03 +0100 | [diff] [blame] | 15 | /* Return true if @clock_id is shared by secure and non-secure worlds */ |
| 16 | bool stm32mp_nsec_can_access_clock(unsigned long clock_id); |
| 17 | |
| 18 | /* Return true if and only if @reset_id relates to a non-secure peripheral */ |
| 19 | bool stm32mp_nsec_can_access_reset(unsigned int reset_id); |
| 20 | |
| Etienne Carriere | 1bbb924 | 2020-05-13 14:22:01 +0200 | [diff] [blame] | 21 | /* Register a shared resource assigned to the secure world */ |
| 22 | void stm32mp_register_secure_periph(enum stm32mp_shres id); |
| 23 | |
| 24 | /* Register a shared resource assigned to the non-secure world */ |
| 25 | void stm32mp_register_non_secure_periph(enum stm32mp_shres id); |
| 26 | |
| Etienne Carriere | 7a4a34f | 2020-05-13 10:07:45 +0200 | [diff] [blame] | 27 | /* Consolidate peripheral states and lock against new peripheral registering */ |
| 28 | void stm32mp_lock_periph_registering(void); |
| Etienne Carriere | 1bbb924 | 2020-05-13 14:22:01 +0200 | [diff] [blame] | 29 | #endif /* STM32MP_SHARED_RESOURCES */ |
| Etienne Carriere | 7ad2c01 | 2019-12-08 08:14:03 +0100 | [diff] [blame] | 30 | #endif /* STM32MP_SHARED_RESOURCES_H */ |