| Yann Gautier | 39b08bc | 2022-10-27 17:52:41 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2024, STMicroelectronics - All Rights Reserved |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef STM32MP_SVC_SETUP_H |
| 8 | #define STM32MP_SVC_SETUP_H |
| 9 | |
| 10 | #include <stdbool.h> |
| 11 | #include <stdint.h> |
| 12 | |
| 13 | /* Common SMC function IDs for STM32 Service queries across STM32MP paltforms */ |
| 14 | #define STM32_SIP_SVC_CALL_COUNT 0x8200ff00 |
| 15 | #define STM32_SIP_SVC_UID 0x8200ff01 |
| 16 | /* 0x8200ff02 is reserved */ |
| 17 | #define STM32_SIP_SVC_VERSION 0x8200ff03 |
| 18 | |
| 19 | /* STM32 SiP Service Calls version numbers */ |
| 20 | #define STM32_SIP_SVC_VERSION_MAJOR 0x0 |
| 21 | #define STM32_SIP_SVC_VERSION_MINOR 0x1 |
| 22 | |
| 23 | /* SMC error codes */ |
| 24 | #define STM32_SMC_OK 0x00000000U |
| 25 | #define STM32_SMC_NOT_SUPPORTED 0xFFFFFFFFU |
| 26 | #define STM32_SMC_FAILED 0xFFFFFFFEU |
| 27 | #define STM32_SMC_INVALID_PARAMS 0xFFFFFFFDU |
| 28 | |
| 29 | void plat_svc_smc_handler(uint32_t smc_fid, u_register_t x1, |
| 30 | u_register_t x2, u_register_t x3, |
| 31 | u_register_t x4, uint32_t *ret1, |
| 32 | uint32_t *ret2, bool *ret2_enabled, |
| 33 | u_register_t flags); |
| 34 | |
| 35 | #endif /* STM32MP_SVC_SETUP_H */ |