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Diffstat (limited to '')
| -rw-r--r-- | plat/st/stm32mp1/include/stm32mp1_smc.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/plat/st/stm32mp1/include/stm32mp1_smc.h b/plat/st/stm32mp1/include/stm32mp1_smc.h new file mode 100644 index 0000000..52088de --- /dev/null +++ b/plat/st/stm32mp1/include/stm32mp1_smc.h @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2016-2021, STMicroelectronics - All Rights Reserved + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef STM32MP1_SMC_H +#define STM32MP1_SMC_H + +/* + * SMC function IDs for STM32 Service queries + * STM32 SMC services use the space between 0x82000000 and 0x8200FFFF + * like this is defined in SMC calling Convention by ARM + * for SiP (silicon Partner) + * https://developer.arm.com/docs/den0028/latest + */ + +/* Secure Service access from Non-secure */ + +/* + * STM32_SMC_BSEC call API + * + * Argument a0: (input) SMCC ID + * (output) status return code + * Argument a1: (input) Service ID (STM32_SMC_BSEC_xxx) + * Argument a2: (input) OTP index + * (output) OTP read value, if applicable + * Argument a3: (input) OTP value if applicable + */ +#define STM32_SMC_BSEC 0x82001003 + +/* + * STM32_SIP_SMC_SCMI_AGENT0 + * STM32_SIP_SMC_SCMI_AGENT1 + * Process SCMI message pending in SCMI shared memory buffer. + * + * Argument a0: (input) SMCC ID + */ +#define STM32_SIP_SMC_SCMI_AGENT0 0x82002000 +#define STM32_SIP_SMC_SCMI_AGENT1 0x82002001 + +/* SMC function IDs for SiP Service queries */ +#define STM32_SIP_SVC_CALL_COUNT 0x8200ff00 +#define STM32_SIP_SVC_UID 0x8200ff01 +/* 0x8200ff02 is reserved */ +#define STM32_SIP_SVC_VERSION 0x8200ff03 + +/* STM32 SiP Service Calls version numbers */ +#define STM32_SIP_SVC_VERSION_MAJOR 0x0 +#define STM32_SIP_SVC_VERSION_MINOR 0x1 + +/* Number of STM32 SiP Calls implemented */ +#define STM32_COMMON_SIP_NUM_CALLS 3 + +/* Service for BSEC */ +#define STM32_SMC_READ_SHADOW 0x01 +#define STM32_SMC_PROG_OTP 0x02 +#define STM32_SMC_WRITE_SHADOW 0x03 +#define STM32_SMC_READ_OTP 0x04 + +/* SMC error codes */ +#define STM32_SMC_OK 0x00000000U +#define STM32_SMC_NOT_SUPPORTED 0xFFFFFFFFU +#define STM32_SMC_FAILED 0xFFFFFFFEU +#define STM32_SMC_INVALID_PARAMS 0xFFFFFFFDU + +#endif /* STM32MP1_SMC_H */ |