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drivers: scugic: added XScuGic_InterruptMaptoCpu API to scugic

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This patch adds API XScuGic_InterruptMaptoCpu for mapping the
interrupts to specified cpu

Signed-off-by: Kinjal Pravinbhai Patel <patelki@xilinx.com>
This commit is contained in:
Kinjal Pravinbhai Patel 2015-06-19 15:59:16 +05:30 • committed by Nava kishore Manne
parent 133156ba96
commit af8728de98
2 changed files with 31 additions and 1 deletions
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30
XilinxProcessorIPLib/drivers/scugic/src/xscugic.c
View file

@ -70,6 +70,8 @@
* in function XScuGic_CfgInitialize is removed as it was
* a bug.
* 3.00 kvn 02/13/14 Modified code for MISRA-C:2012 compliance.
* 3.01 pkp 06/19/15 Added XScuGic_InterruptMaptoCpu API for an interrupt
* target CPU mapping
*
* </pre>
*
@ -710,3 +712,31 @@ void XScuGic_GetPriorityTriggerType(XScuGic *InstancePtr, u32 Int_Id,
*Trigger = (u8)(RegValue & XSCUGIC_INT_CFG_MASK);
}
/****************************************************************************/
/**
* Sets the target CPU for the interrupt of a peripheral
*
* @param InstancePtr is a pointer to the instance to be worked on.
* @param Cpu_Id is a CPU number for which the interrupt has to be targeted
* @param Int_Id is the IRQ source number to modify
*
* @return None.
*
* @note None
*
*****************************************************************************/
void XScuGic_InterruptMaptoCpu(XScuGic *InstancePtr, u8 Cpu_Id, u32 Int_Id)
{
u32 RegValue, Offset;
RegValue = XScuGic_DistReadReg(InstancePtr,
XSCUGIC_SPI_TARGET_OFFSET_CALC(Int_Id));
Offset = (Int_Id & 0x3);
RegValue = (RegValue | (~(0xFF << (Offset*8))) );
RegValue |= ((Cpu_Id) << (Offset*8));
XScuGic_DistWriteReg(InstancePtr,
XSCUGIC_SPI_TARGET_OFFSET_CALC(Int_Id),
RegValue);
}

2
XilinxProcessorIPLib/drivers/scugic/src/xscugic.h
View file

@ -292,7 +292,7 @@ void XScuGic_GetPriorityTriggerType(XScuGic *InstancePtr, u32 Int_Id,
u8 *Priority, u8 *Trigger);
void XScuGic_SetPriorityTriggerType(XScuGic *InstancePtr, u32 Int_Id,
u8 Priority, u8 Trigger);
void XScuGic_InterruptMaptoCpu(XScuGic *InstancePtr, u8 Cpu_Id, u32 Int_Id);
/*
* Initialization functions in xscugic_sinit.c
*/