CN111295645A - 一种SoC芯片及总线访问控制方法 - Google Patents

一种SoC芯片及总线访问控制方法 Download PDF

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CN111295645A
CN111295645A CN201880001174.6A CN201880001174A CN111295645A CN 111295645 A CN111295645 A CN 111295645A CN 201880001174 A CN201880001174 A CN 201880001174A CN 111295645 A CN111295645 A CN 111295645A
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bus
access control
control information
mpu
module
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CN201880001174.6A
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CN111295645B (zh
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王冬格
韦健
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Shenzhen Goodix Technology Co Ltd
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Shenzhen Goodix Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/4401—Bootstrapping
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/74—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information operating in dual or compartmented mode, i.e. at least one secure mode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/16—Memory access
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Storage Device Security (AREA)

Abstract

本申请SoC芯片技术领域，提供了一种SoC芯片及总线访问控制方法。SoC芯片包括：总线机构，其包括至少一个MPU；OTP存储器，其用于存储总线访问控制信息；模式配置模块，连接至至少一个MPU及OTP存储器，模式配置模块用于在SoC芯片处于启动模式下，从OTP存储器中读取总线访问控制信息，并利用总线访问控制信息配置MPU，模式配置模块还用于在对MPU配置完成后，使能MPU，并将SoC芯片切换至用户模式。本申请，利用OTP存储器存储总线访问控制信息，使得可根据不同应用场景的需求，往OTP存储器中写入对应的总线访问控制信息，从而适应不同的应用场景，具有高度的灵活性。

Description

PCT国内申请，说明书已公开。

Claims (17)

  1. PCT国内申请，权利要求书已公开。
CN201880001174.6A 2018-08-10 2018-08-10 一种SoC芯片及总线访问控制方法 Active CN111295645B (zh)

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PCT/CN2018/099983 WO2020029254A1 (zh) 2018-08-10 2018-08-10 一种SoC芯片及总线访问控制方法

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CN113158260A (zh) * 2021-03-30 2021-07-23 西南电子技术研究所（中国电子科技集团公司第十研究所） SoC芯片内部数据分级防护电路

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CN114547705A (zh) * 2020-11-27 2022-05-27 瑞昱半导体股份有限公司 除错系统
TWI775436B (zh) 2021-05-17 2022-08-21 新唐科技股份有限公司 匯流排系統
CN114363074B (zh) * 2022-01-07 2024-04-16 杭州安恒信息技术股份有限公司 一种访问控制实现方法、装置、设备及存储介质
GB2621170A (en) * 2022-08-05 2024-02-07 Xmos Ltd Execution of Instructions from Trusted and Untrusted Memories
CN118069570A (zh) * 2024-04-19 2024-05-24 沐曦集成电路(上海)有限公司 一种门铃式芯片访问系统、装置和方法

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CN113064709A (zh) * 2021-04-09 2021-07-02 思澈科技(上海)有限公司 一种适用于mcu芯片的任务调度方法及系统

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US11048648B2 (en) 2021-06-29
WO2020029254A1 (zh) 2020-02-13
US20200089628A1 (en) 2020-03-19
EP3637253A1 (en) 2020-04-15
EP3637253A4 (en) 2020-10-21
CN111295645B (zh) 2023-09-22
EP3637253B1 (en) 2021-09-29

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