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arm-trusted-firmware / plat / st / stm32mp1 / include / stm32mp1_smc.h
@Yann Gautier Yann Gautier on 18 Jan 2019 869 bytes stm32mp1: add support for SiP services
/*
 * 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
 */

/* 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

#endif /* STM32MP1_SMC_H */