MeInitPei

Index: 0076 | Size: N/A | Arch: x64 | Phase: PEI

Overview

MeInitPei initializes the Intel Management Engine (ME) subsystem during the PEI phase. It establishes the HECI (Host Embedded Controller Interface) communication channel, retrieves ME firmware status, and publishes ME-related HOBs for DXE consumption.

Key Functions

• ME boot mode detection and status retrieval
• HECI channel initialization
• ME firmware SKU detection (SPS/WS)
• ME HOB publication for DXE
• DWR (Disable Warm Reset) handling

Protocols / PPIs / Dependencies

• HECI PPI
• PeiServicesTablePointer PPI
• ME FW version HOB

Platform

HR650X (Purley platform)