blob: 57240bcaf3233fdf7dd2a82fdc61dc18276782b6 [file] [log] [blame]
/*
* Copyright (c) 2016-2019, 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
#endif /* STM32MP1_SMC_H */