/**
*
* CfgInitialize a specific interrupt controller instance/driver. The
* initialization entails:
*
* - Initialize fields of the XScuGic structure
* - Initial vector table with stub function calls
* - All interrupt sources are disabled
*
* @param InstancePtr is a pointer to the XScuGic instance to be worked on.
* @param ConfigPtr is a pointer to a config table for the particular device
* this driver is associated with.
* @param EffectiveAddr is the device base address in the virtual memory address
* space. The caller is responsible for keeping the address mapping
* from EffectiveAddr to the device physical base address unchanged
* once this function is invoked. Unexpected errors may occur if the
* address mapping changes after this function is called. If address
* translation is not used, use Config->BaseAddress for this parameters,
* passing the physical address instead.
*
* @return
*
* - XST_SUCCESS if initialization was successful
*
* @note
*
* None.
*
******************************************************************************/
int XScuGic_DeviceInitialize(u32 DeviceId)
{
XScuGic_Config *Config;
Config = &XScuGic_ConfigTable[(u32 )DeviceId];
DistInit(Config, 0x01);
CPUInit(Config);
return XST_SUCCESS;
}
/**
*
* CfgInitialize a specific interrupt controller instance/driver. The
* initialization entails:
*
* - Initialize fields of the XScuGic structure
* - Initial vector table with stub function calls
* - All interrupt sources are disabled
*
* @param InstancePtr is a pointer to the XScuGic instance to be worked on.
* @param ConfigPtr is a pointer to a config table for the particular device
* this driver is associated with.
* @param EffectiveAddr is the device base address in the virtual memory address
* space. The caller is responsible for keeping the address mapping
* from EffectiveAddr to the device physical base address unchanged
* once this function is invoked. Unexpected errors may occur if the
* address mapping changes after this function is called. If address
* translation is not used, use Config->BaseAddress for this parameters,
* passing the physical address instead.
*
* @return
*
* - XST_SUCCESS if initialization was successful
*
* @note
*
* None.
*
******************************************************************************/
int XScuGic_DeviceInitialize(u32 DeviceId)
{
XScuGic_Config *Config;
u8 Cpu_Id = XPAR_CPU_ID + 1;
Config = &XScuGic_ConfigTable[(u32 )DeviceId];
DistInit(Config, Cpu_Id);
CPUInit(Config);
return XST_SUCCESS;
}
/**
*
* CfgInitialize a specific interrupt controller instance/driver. The
* initialization entails:
*
* - Initialize fields of the XScuGic structure
* - Initial vector table with stub function calls
* - All interrupt sources are disabled
*
* @param InstancePtr is a pointer to the XScuGic instance.
* @param ConfigPtr is a pointer to a config table for the particular
* device this driver is associated with.
* @param EffectiveAddr is the device base address in the virtual memory
* address space. The caller is responsible for keeping the address
* mapping from EffectiveAddr to the device physical base address
* unchanged once this function is invoked. Unexpected errors may
* occur if the address mapping changes after this function is
* called. If address translation is not used, use
* Config->BaseAddress for this parameters, passing the physical
* address instead.
*
* @return
* - XST_SUCCESS if initialization was successful
*
* @note None.
*
******************************************************************************/
int XScuGic_CfgInitialize(XScuGic *InstancePtr,
XScuGic_Config *ConfigPtr,
u32 EffectiveAddr)
{
u32 Int_Id;
u8 Cpu_Id = XPAR_CPU_ID + 1;
(void) EffectiveAddr;
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(ConfigPtr != NULL);
if(InstancePtr->IsReady != XIL_COMPONENT_IS_READY) {
InstancePtr->IsReady = 0;
InstancePtr->Config = ConfigPtr;
for (Int_Id = 0; Int_Id<XSCUGIC_MAX_NUM_INTR_INPUTS;Int_Id++) {
/*
* Initalize the handler to point to a stub to handle an
* interrupt which has not been connected to a handler. Only
* initialize it if the handler is 0 which means it was not
* initialized statically by the tools/user. Set the callback
* reference to this instance so that unhandled interrupts
* can be tracked.
*/
if ((InstancePtr->Config->HandlerTable[Int_Id].Handler == 0)) {
InstancePtr->Config->HandlerTable[Int_Id].Handler =
StubHandler;
}
InstancePtr->Config->HandlerTable[Int_Id].CallBackRef =
InstancePtr;
}
DistInit(InstancePtr, Cpu_Id);
CPUInit(InstancePtr);
InstancePtr->IsReady = XIL_COMPONENT_IS_READY;
}
return XST_SUCCESS;
}
