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Manage MTK SiP SMC ID with macros for 32/64 bit and function declaration code generation. Partition SMC ID with different exception level sources. Signed-off-by: Leon Chen <leon.chen@mediatek.com> Change-Id: I8966cd94f0d825e7ebae08833d2bd9fceedfd45epull/1988/head
Leon Chen
2 years ago
committed by
Bo-Chen Chen
Bo-Chen Chen
12 changed files with 145 additions and 75 deletions
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/*
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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 MTK_SIP_SVC_H |
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#define MTK_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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/* VCORE */ |
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#define MTK_SIP_VCORE_CONTROL_ARCH32 0x82000506 |
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#define MTK_SIP_VCORE_CONTROL_ARCH64 0xC2000506 |
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/* APUSYS SMC call */ |
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#define MTK_SIP_APUSYS_CONTROL_AARCH32 0x8200051E |
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#define MTK_SIP_APUSYS_CONTROL_AARCH64 0xC200051E |
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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 /* MTK_SIP_SVC_H */ |
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/*
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* Copyright (c) 2022, MediaTek Inc. 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 MTK_SIP_DEF_H |
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#define MTK_SIP_DEF_H |
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/* Define SiP SMC ID here */ |
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#define MTK_SIP_SMC_FROM_NS_EL1_TABLE(_func) \ |
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_func(MTK_SIP_KERNEL_TIME_SYNC, 0x202) \ |
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_func(MTK_SIP_VCORE_CONTROL, 0x506) \ |
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_func(MTK_SIP_APUSYS_CONTROL, 0x51E) \ |
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_func(MTK_SIP_KERNEL_GIC_OP, 0x526) |
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#define MTK_SIP_SMC_FROM_BL33_TABLE(_func) \ |
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_func(MTK_SIP_KERNEL_BOOT, 0x115) |
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#endif /* MTK_SIP_DEF_H */ |
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/*
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* Copyright (c) 2022, 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 MTK_SIP_SVC_H |
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#define MTK_SIP_SVC_H |
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#include <stdint.h> |
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#include <lib/smccc.h> |
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#include <mtk_sip_def.h> |
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/* SMC function IDs for SiP Service queries */ |
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#define SIP_SVC_CALL_COUNT U(0x8200ff00) |
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#define SIP_SVC_UID U(0x8200ff01) |
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/* 0x8200ff02 is reserved */ |
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#define SIP_SVC_VERSION U(0x8200ff03) |
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/* MediaTek SiP Service Calls version numbers */ |
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#define MTK_SIP_SVC_VERSION_MAJOR U(0x0) |
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#define MTK_SIP_SVC_VERSION_MINOR U(0x1) |
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/* Number of MediaTek SiP Calls implemented */ |
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#define MTK_COMMON_SIP_NUM_CALLS U(4) |
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/* MediaTek SiP Service Calls function IDs */ |
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#define MTK_SIP_SET_AUTHORIZED_SECURE_REG U(0x82000001) |
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#define SMC_ID_EXPAND_AS_ENUM(_smc_id, _smc_num) \ |
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_smc_id##_AARCH32 = ((SMC_TYPE_FAST << FUNCID_TYPE_SHIFT) | \ |
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((0) << FUNCID_CC_SHIFT) | \ |
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(OEN_SIP_START << FUNCID_OEN_SHIFT) | \ |
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((_smc_num) << FUNCID_NUM_SHIFT)), \ |
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_smc_id##_AARCH64 = ((SMC_TYPE_FAST << FUNCID_TYPE_SHIFT) | \ |
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((1) << FUNCID_CC_SHIFT) | \ |
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(OEN_SIP_START << FUNCID_OEN_SHIFT) | \ |
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((_smc_num) << FUNCID_NUM_SHIFT)), |
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#define SMC_ID_EXPAND_AS_EXTERN_SMC_INDEX(_smc_id, _smc_num) \ |
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extern short _smc_id##_descriptor_index; |
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/* Bind SMC handler with SMC ID */ |
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#define DECLARE_SMC_HANDLER(_smc_id, _smc_handler) \ |
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const struct smc_descriptor _smc_id##_descriptor \ |
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__used \ |
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__aligned(sizeof(void *)) \ |
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__section(".mtk_smc_descriptor_pool") = { \ |
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.smc_handler = _smc_handler, \ |
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.smc_name = #_smc_id, \ |
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.smc_id_aarch32 = _smc_id##_AARCH32, \ |
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.smc_id_aarch64 = _smc_id##_AARCH64, \ |
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.smc_descriptor_index = &_smc_id##_descriptor_index \ |
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} |
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MTK_SIP_SMC_FROM_BL33_TABLE(SMC_ID_EXPAND_AS_EXTERN_SMC_INDEX); |
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MTK_SIP_SMC_FROM_NS_EL1_TABLE(SMC_ID_EXPAND_AS_EXTERN_SMC_INDEX); |
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/* Expand SiP SMC ID table as enum */ |
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enum { |
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MTK_SIP_SMC_FROM_BL33_TABLE(SMC_ID_EXPAND_AS_ENUM) |
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MTK_SIP_SMC_FROM_NS_EL1_TABLE(SMC_ID_EXPAND_AS_ENUM) |
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MTK_SIP_SMC_MAX_NUMBER |
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}; |
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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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struct smccc_res { |
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uint64_t a1; |
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uint64_t a2; |
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uint64_t a3; |
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}; |
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typedef uintptr_t (*smc_handler_t)(u_register_t, |
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u_register_t, |
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u_register_t, |
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u_register_t, |
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void *, |
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struct smccc_res *); |
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struct smc_descriptor { |
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smc_handler_t smc_handler; |
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const uint32_t smc_id_aarch32; |
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const uint32_t smc_id_aarch64; |
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const char *smc_name; |
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short *const smc_descriptor_index; |
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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 /* MTK_SIP_SVC_H */ |
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