Open HPI is an open source project created to provide an open implementation of the SA Forum's Hardware Platform Interface (HPI). It provides a universal interface for Platform Management, including hardware sensor monitoring and control.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
This release has a PowerPC plugin using an RTAS interface (BETA stage). Reading of sensors is supported. ATCA-HPI mapping support has been added to the OpenIPMI plugin. Installation of the HPI daemon as an init.d service is possible.