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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/st/common/include/stm32mp_shared_resources.h | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-upstream.tar.xz arm-trusted-firmware-upstream.zip |
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plat/st/common/include/stm32mp_shared_resources.h')
-rw-r--r-- | plat/st/common/include/stm32mp_shared_resources.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/plat/st/common/include/stm32mp_shared_resources.h b/plat/st/common/include/stm32mp_shared_resources.h new file mode 100644 index 0000000..13f4b13 --- /dev/null +++ b/plat/st/common/include/stm32mp_shared_resources.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2017-2020, STMicroelectronics - All Rights Reserved + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef STM32MP_SHARED_RESOURCES_H +#define STM32MP_SHARED_RESOURCES_H + +#include <stdbool.h> +#include <stdint.h> + +#ifdef STM32MP_SHARED_RESOURCES +enum stm32mp_shres; + +/* Return true if @clock_id is shared by secure and non-secure worlds */ +bool stm32mp_nsec_can_access_clock(unsigned long clock_id); + +/* Return true if and only if @reset_id relates to a non-secure peripheral */ +bool stm32mp_nsec_can_access_reset(unsigned int reset_id); + +/* Register a shared resource assigned to the secure world */ +void stm32mp_register_secure_periph(enum stm32mp_shres id); + +/* Register a shared resource assigned to the non-secure world */ +void stm32mp_register_non_secure_periph(enum stm32mp_shres id); + +/* Register a peripheral as secure or non-secure based on IO base address */ +void stm32mp_register_secure_periph_iomem(uintptr_t base); +void stm32mp_register_non_secure_periph_iomem(uintptr_t base); + +/* Register a GPIO as secure or non-secure based on its bank and pin numbers */ +void stm32mp_register_secure_gpio(unsigned int bank, unsigned int pin); +void stm32mp_register_non_secure_gpio(unsigned int bank, unsigned int pin); + +/* Consolidate peripheral states and lock against new peripheral registering */ +void stm32mp_lock_periph_registering(void); +#else +static inline void stm32mp_register_secure_periph_iomem(uintptr_t base __unused) +{ +} + +static inline +void stm32mp_register_non_secure_periph_iomem(uintptr_t base __unused) +{ +} + +static inline void stm32mp_register_secure_gpio(unsigned int bank __unused, + unsigned int pin __unused) +{ +} + +static inline void stm32mp_register_non_secure_gpio(unsigned int bank __unused, + unsigned int pin __unused) +{ +} +#endif /* STM32MP_SHARED_RESOURCES */ +#endif /* STM32MP_SHARED_RESOURCES_H */ |