Sun Microsystems CP2500 manual Cpu

Page 44

CPU die temperature sensor

Exhaust temperature

sensor

CPU		Solaris		PICL
		SMC		application
		SMC		application
		driver		program

Southbridge

OpenBoot PROM

SMC micro

controller

PLD

I2C controller

I2C MUX

Power control

and monitor cPCI J5

external I2C

ADM 1026

system monitor

Inlet temperature

sensor

FIGURE 2-3Netra CP2500 Board Environmental Monitoring Functional Block Diagram

30 Netra CP2500 Board Programming Guide • March 2007

Image 44

Contents Netra CP2500 Board Programming Guide Page Contents User Flash Figures Vi Netra CP2500 Board Programming Guide March Tables Viii Netra CP2500 Board Programming Guide March Code Samples Netra CP2500 Board Programming Guide March Preface How This Book Is OrganizedUsing Unix Commands Typographic ConventionsShell Prompts Related DocumentationSun Welcomes Your Comments Documentation, Support, and TrainingThird-Party Web Sites Watchdog Timer OverviewPicl Plug-In Module 1Watchdog Plug-In Interfaces for Netra CP2500 Board Software 2Properties Under watchdog-controllerNode3Properties Under watchdog-timerNode HEALTHY#Watchdog Node Management Code Code Example 1-1System Watchdog Node Management Code ExampleCode Example 1-1System Watchdog Node Management Code Example Usagestr Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Null Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Notreached Code Example 1-1System Watchdog Node Management Code Example OpenBoot Prom Interface Netra CP2500 Board Programming Guide March Environmental Monitoring 1Compatible Environmental Monitoring Components Environmental Monitoring Component CompatibilityTypical Environmental Monitoring System Application I2C Typical Cycle From Power Up to Shutdown Environmental Monitoring Protection at the OpenBoot PromPost Shutdown Recovery Hardware Environmental Monitoring Functions 3I2C ComponentsEnvironmental Monitoring CPU Switching Power On and Off Inlet, Exhaust, and CPU Temperature MonitoringNetra CP2500 Board Programming Guide March OpenBoot Prom Environmental Monitoring Critical Temperature Response at OpenBoot PromUsing the show-sensorsCommand at OpenBoot Prom Environmental Monitoring Application ProgrammingReading Temperature Sensor States Using 4PICL Temperature Sensor Class Node PropertiesUsing a Configuration File for Sensor Information Solaris Driver InterfaceSample Application Program Code Example 2-1Sample envmond Application ProgramCode Example 2-1Sample envmond Application Program Code Example 2-1Sample envmond Application Program Code Example 2-1Sample envmond Application Program Reading the CPU Temperature Environmental Limits Prtdiag command example5Description of Values Displayed by Solaris Commands User Flash User Flash Usage and Implementation1User Flash Node Properties OpenBoot Prom Device Tree and PropertiesUser Flash Driver Application Programming Interface User Flash Device FilesInterface Header File 2System CallsStructures to Use in Ioctl Arguments Code Example 3-1PROM Information StructureCode Example 3-2User Flash Interface Structure ErrorsExample Programs Read Example Program Code Example 3-3Read Action on User Flash DeviceWrite Example Program Code Example 3-4Write Action on User Flash DeviceCode Example 3-4Write Action on User Flash Device Block Erase Example Program Code Example 3-5Block Erase Action on User Flash DeviceCode Example 3-5Block Erase Action on User Flash Device Sample User Flash Application Program Code Example 3-6Sample User Flash Application ProgramCode Example 3-6Sample User Flash Application Program Code Example 3-6Sample User Flash Application Program Code Example 3-6Sample User Flash Application Program Code Example 3-6Sample User Flash Application Program Code Example 3-6Sample User Flash Application Program Index PiclWatchdog-controller, 3 Watchdog-timer, 3