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53 lines
1.5 KiB
53 lines
1.5 KiB
/*
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* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __PLAT_SIP_SVC_H__
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#define __PLAT_SIP_SVC_H__
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#include <stdint.h>
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/* SMC function IDs for SiP Service queries */
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#define SIP_SVC_CALL_COUNT 0x8200ff00
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#define SIP_SVC_UID 0x8200ff01
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/* 0x8200ff02 is reserved */
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#define SIP_SVC_VERSION 0x8200ff03
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/* Mediatek SiP Service Calls version numbers */
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#define MTK_SIP_SVC_VERSION_MAJOR 0x0
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#define MTK_SIP_SVC_VERSION_MINOR 0x1
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#define SMC_AARCH64_BIT 0x40000000
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/* Number of Mediatek SiP Calls implemented */
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#define MTK_COMMON_SIP_NUM_CALLS 4
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/* Mediatek SiP Service Calls function IDs */
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#define MTK_SIP_SET_AUTHORIZED_SECURE_REG 0x82000001
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/* For MTK SMC from Secure OS */
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/* 0x82000000 - 0x820000FF & 0xC2000000 - 0xC20000FF */
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#define MTK_SIP_KERNEL_BOOT_AARCH32 0x82000200
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#define MTK_SIP_KERNEL_BOOT_AARCH64 0xC2000200
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/* Mediatek SiP Calls error code */
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enum {
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MTK_SIP_E_SUCCESS = 0,
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MTK_SIP_E_INVALID_PARAM = -1,
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MTK_SIP_E_NOT_SUPPORTED = -2,
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MTK_SIP_E_INVALID_RANGE = -3,
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MTK_SIP_E_PERMISSION_DENY = -4,
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MTK_SIP_E_LOCK_FAIL = -5
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};
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/*
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* This function should be implemented in Mediatek SOC directory. It fullfills
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* MTK_SIP_SET_AUTHORIZED_SECURE_REG SiP call by checking the sreg with the
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* predefined secure register list, if a match was found, set val to sreg.
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*
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* Return MTK_SIP_E_SUCCESS on success, and MTK_SIP_E_INVALID_PARAM on failure.
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*/
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uint64_t mt_sip_set_authorized_sreg(uint32_t sreg, uint32_t val);
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#endif /* __PLAT_SIP_SVC_H__ */
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