Unit PlatformRPi

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Description

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The RPi A+/B+ have the Power LED connected to GPIO Pin 35 (Activity LED is now on GPIO Pin 47 instead of Pin 16 in model A/B).

Constants

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To be documented

Type definitions

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To be documented

Public variables

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To be documented

Function declarations

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Initialization functions

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procedure RPiInit;

Description: To be documented

Note	None documented

RPi platform functions

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procedure RPiBoardInit;

Description: To be documented

Note	None documented

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procedure RPiMemoryInit;

Description: To be documented

Note	None documented

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procedure RPiClockInit;

Description: To be documented

Note	None documented

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procedure RPiPowerInit;

Description: To be documented

Note	None documented

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procedure RPiMailboxInit;

Description: To be documented

Note	None documented

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procedure RPiInterruptInit;

Description: To be documented

Note	None documented

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procedure RPiPeripheralInit;

Description: To be documented

Note	None documented

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procedure RPiFramebufferInit;

Description: To be documented

Note	None documented

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procedure RPiPageTableInit;

Description: Initialize the Hardware Page Tables before enabling the MMU

Note	See page 6-36 of the ARM1176JZF-S Technical Reference Manual

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procedure RPiPowerLEDEnable;

Description: To be documented

Note	None documented

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procedure RPiPowerLEDOn;

Description: To be documented

Note	None documented

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procedure RPiPowerLEDOff;

Description: To be documented

Note	None documented

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procedure RPiActivityLEDEnable;

Description: To be documented

Note	None documented

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procedure RPiActivityLEDOn;

Description: To be documented

Note	None documented

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procedure RPiActivityLEDOff;

Description: To be documented

Note	None documented

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function RPiMailboxReceive(Mailbox,Channel:LongWord):LongWord;

Description: Receive from specified mailbox on specified channel

Note	Data = first 28 bits, Channel = last 4 bits

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procedure RPiMailboxSend(Mailbox,Channel,Data:LongWord);

Description: Send to specified mailbox on specified channel

Note	Data = first 28 bits, Channel = last 4 bits

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function RPiMailboxCall(Mailbox,Channel,Data:LongWord; var Response:LongWord):LongWord;

Description: Perform a transaction (Send/Receive) to specified mailbox on specified channel

Note	Data = first 28 bits, Channel = last 4 bits Data pointer must be 16 byte aligned to allow for the 4 bit channel number

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function RPiMailboxCallEx(Mailbox,Channel,Data:LongWord; var Response:LongWord; Timeout:LongWord):LongWord;

Description: Perform a transaction (Send/Receive) to specified mailbox on specified channel

Note	Data = first 28 bits, Channel = last 4 bits Data pointer must be 16 byte aligned to allow for the 4 bit channel number

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function RPiMailboxPropertyCall(Mailbox,Channel:LongWord; Data:Pointer; var Response:LongWord):LongWord;

Description: Perform a property tag transaction (Send/Receive) to specified mailbox on specified channel

Note	Data = first 28 bits, Channel = last 4 bits Data pointer must be 16 byte aligned to allow for the 4 bit channel number

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function RPiMailboxPropertyCallEx(Mailbox,Channel:LongWord; Data:Pointer; var Response:LongWord; Timeout:LongWord):LongWord;

Description: Perform a property tag transaction (Send/Receive) to specified mailbox on specified channel

Note	Data = first 28 bits, Channel = last 4 bits Data pointer must be 16 byte aligned to allow for the 4 bit channel number

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function RPiRequestExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;

Description: Request registration of the supplied handler to the specified IRQ number

CPUID	CPU to route IRQ to (Ignored on RPi)
Number	IRQ number to register
Handler	Interrupt handler function to register
HandlerEx	Extended Interrupt handler function to register
Note	Only one of Handler or HandlerEx can be specified

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function RPiReleaseExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;

Description: Request deregistration of the supplied handler from the specified IRQ number

CPUID	CPU to route IRQ to (Ignored on RPi)
Number	IRQ number to deregister
Handler	Interrupt handler function to deregister
HandlerEx	Extended Interrupt handler function to deregister
Note	Only one of Handler or HandlerEx can be specified

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function RPiRequestExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;

Description: Request registration of the supplied handler to the specified FIQ number

CPUID	CPU to route FIQ to (Ignored on RPi)
Number	FIQ number to register
Handler	Interrupt handler function to register
HandlerEx	Extended Interrupt handler function to register
Note	Only one of Handler or HandlerEx can be specified

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function RPiReleaseExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;

Description: Request deregistration of the supplied handler from the specified FIQ number

CPUID	CPU to route FIQ to (Ignored on RPi)
Number	FIQ number to deregister
Handler	Interrupt handler function to deregister
HandlerEx	Extended Interrupt handler function to deregister
Note	Only one of Handler or HandlerEx can be specified

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function RPiRegisterSystemCallEx(CPUID,Number:LongWord; Handler:TSystemCallHandler; HandlerEx:TSystemCallExHandler):LongWord;

Description: Request registration of the supplied extended handler to the specified System Call number

CPUID	The CPU ID to register the System Call against (Ignored on RPi)
Number	The System Call number to be registered
Handler	The handler function to be registered
HandlerEx	The extended handler function to be registered
Note	Only one of Handler or HandlerEx can be specified

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function RPiDeregisterSystemCallEx(CPUID,Number:LongWord; Handler:TSystemCallHandler; HandlerEx:TSystemCallExHandler):LongWord;

Description: Request deregistration of the supplied extended handler from the specified System Call number

CPUID	The CPU ID to deregister the System Call from (Ignored on RPi)
Number	The System Call number to be deregistered
Handler	The handler function to be deregistered
HandlerEx	The extended handler function to be deregistered
Note	Only one of Handler or HandlerEx can be specified

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function RPiGetInterruptEntry(Number:LongWord):TInterruptEntry;

Description: Get the interrupt entry for the specified interrupt number

Note	None documented

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function RPiGetSystemCallEntry(Number:LongWord):TSystemCallEntry;

Description: To be documented

Note	Get the system call entry for the specified system call number

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function RPiSystemRestart(Delay:LongWord):LongWord;

Description: To be documented

Note	None documented

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function RPiSystemShutdown(Delay:LongWord):LongWord;

Description: To be documented

Note	None documented

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function RPiSystemGetCommandLine:String;

Description: Get the Command Line from the Mailbox property tags channel

Note	None documented

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function RPiCPUGetMemory(var Address:PtrUInt; var Length:LongWord):LongWord;

Description: Get the CPU Memory from the Mailbox property tags channel

Note	None documented

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