| Yann Gautier | 05be8d8 | 2019-01-17 14:51:25 +0100 | [diff] [blame] | 1 | /* |
| Nicolas Le Bayon | 152897d | 2020-01-14 14:03:39 +0100 | [diff] [blame] | 2 | * Copyright (c) 2016-2021, STMicroelectronics - All Rights Reserved |
| Yann Gautier | 05be8d8 | 2019-01-17 14:51:25 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef STM32MP1_SMC_H |
| 8 | #define STM32MP1_SMC_H |
| 9 | |
| 10 | /* |
| 11 | * SMC function IDs for STM32 Service queries |
| 12 | * STM32 SMC services use the space between 0x82000000 and 0x8200FFFF |
| 13 | * like this is defined in SMC calling Convention by ARM |
| 14 | * for SiP (silicon Partner) |
| 15 | * https://developer.arm.com/docs/den0028/latest |
| 16 | */ |
| 17 | |
| Yann Gautier | 52448ab | 2019-01-17 14:53:24 +0100 | [diff] [blame] | 18 | /* Secure Service access from Non-secure */ |
| 19 | |
| 20 | /* |
| 21 | * STM32_SMC_BSEC call API |
| 22 | * |
| 23 | * Argument a0: (input) SMCC ID |
| 24 | * (output) status return code |
| 25 | * Argument a1: (input) Service ID (STM32_SMC_BSEC_xxx) |
| 26 | * Argument a2: (input) OTP index |
| 27 | * (output) OTP read value, if applicable |
| 28 | * Argument a3: (input) OTP value if applicable |
| 29 | */ |
| 30 | #define STM32_SMC_BSEC 0x82001003 |
| 31 | |
| Etienne Carriere | 34f0e93 | 2020-07-16 17:36:18 +0200 | [diff] [blame] | 32 | /* |
| 33 | * STM32_SIP_SMC_SCMI_AGENT0 |
| 34 | * STM32_SIP_SMC_SCMI_AGENT1 |
| 35 | * Process SCMI message pending in SCMI shared memory buffer. |
| 36 | * |
| 37 | * Argument a0: (input) SMCC ID |
| 38 | */ |
| 39 | #define STM32_SIP_SMC_SCMI_AGENT0 0x82002000 |
| 40 | #define STM32_SIP_SMC_SCMI_AGENT1 0x82002001 |
| 41 | |
| Yann Gautier | 05be8d8 | 2019-01-17 14:51:25 +0100 | [diff] [blame] | 42 | /* SMC function IDs for SiP Service queries */ |
| 43 | #define STM32_SIP_SVC_CALL_COUNT 0x8200ff00 |
| 44 | #define STM32_SIP_SVC_UID 0x8200ff01 |
| 45 | /* 0x8200ff02 is reserved */ |
| 46 | #define STM32_SIP_SVC_VERSION 0x8200ff03 |
| 47 | |
| 48 | /* STM32 SiP Service Calls version numbers */ |
| 49 | #define STM32_SIP_SVC_VERSION_MAJOR 0x0 |
| 50 | #define STM32_SIP_SVC_VERSION_MINOR 0x1 |
| 51 | |
| 52 | /* Number of STM32 SiP Calls implemented */ |
| Etienne Carriere | 34f0e93 | 2020-07-16 17:36:18 +0200 | [diff] [blame] | 53 | #define STM32_COMMON_SIP_NUM_CALLS 3 |
| Yann Gautier | 52448ab | 2019-01-17 14:53:24 +0100 | [diff] [blame] | 54 | |
| 55 | /* Service for BSEC */ |
| 56 | #define STM32_SMC_READ_SHADOW 0x01 |
| 57 | #define STM32_SMC_PROG_OTP 0x02 |
| 58 | #define STM32_SMC_WRITE_SHADOW 0x03 |
| 59 | #define STM32_SMC_READ_OTP 0x04 |
| Yann Gautier | 05be8d8 | 2019-01-17 14:51:25 +0100 | [diff] [blame] | 60 | |
| Nicolas Le Bayon | 152897d | 2020-01-14 14:03:39 +0100 | [diff] [blame] | 61 | /* SMC error codes */ |
| 62 | #define STM32_SMC_OK 0x00000000U |
| 63 | #define STM32_SMC_NOT_SUPPORTED 0xFFFFFFFFU |
| 64 | #define STM32_SMC_FAILED 0xFFFFFFFEU |
| 65 | #define STM32_SMC_INVALID_PARAMS 0xFFFFFFFDU |
| 66 | |
| Yann Gautier | 05be8d8 | 2019-01-17 14:51:25 +0100 | [diff] [blame] | 67 | #endif /* STM32MP1_SMC_H */ |