System Control Processor

ARMv9/v8-DVFS System Architecture

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ARMv9/v8-DVFS System Architecture

ver0.2 Introduction In previous articles, we introduced the core content of the power management system architecture and software architecture under the ARM architecture, and conducted a thorough analysis of the idle management mechanism of the PE-Core, PSCI. Another important branch of OSPM for PE-Core power management is DVFS, which maximizes the efficiency of the PE-Core … Read more

Overview of the Power Control Framework (PCF) for ARMv9/v8

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Overview of the Power Control Framework (PCF) for ARMv9/v8

ver0.2 Introduction In previous articles, we introduced the services of the SCP and the working model of the SCP. From the perspective of SCP, all controlled objects are Agents, and the means of controlling each Agent mainly involves voltage, clock, etc., configured through the PPU. In this article, we will spend some time discussing the … Read more