ArmFdtInterrupt.c

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#include <FdtHwInfoParserInclude.h>
#include "FdtUtility.h"
 
UINT32
EFIAPI
FdtGetInterruptId (
  UINT32 CONST  *Data
  )
{
  UINT32  IrqType;
  UINT32  IrqId;
 
  ASSERT (Data != NULL);
 
  IrqType = fdt32_to_cpu (Data[IRQ_TYPE_OFFSET]);
  IrqId   = fdt32_to_cpu (Data[IRQ_NUMBER_OFFSET]);
 
  switch (IrqType) {
    case DT_SPI_IRQ:
      IrqId += SPI_OFFSET;
      break;
 
    case DT_PPI_IRQ:
      IrqId += PPI_OFFSET;
      break;
 
    default:
      ASSERT (0);
      IrqId = 0;
  }
 
  return IrqId;
}
 
UINT32
EFIAPI
FdtGetInterruptFlags (
  UINT32 CONST  *Data
  )
{
  UINT32  IrqFlags;
  UINT32  AcpiIrqFlags;
 
  ASSERT (Data != NULL);
 
  IrqFlags = fdt32_to_cpu (Data[IRQ_FLAGS_OFFSET]);
 
  AcpiIrqFlags  = DT_IRQ_IS_EDGE_TRIGGERED (IrqFlags) ? BIT0 : 0;
  AcpiIrqFlags |= DT_IRQ_IS_ACTIVE_LOW (IrqFlags) ? BIT1 : 0;
 
  return AcpiIrqFlags;
}
 
EFI_STATUS
EFIAPI
FdtGetIntcAddressCells (
  IN  CONST VOID *Fdt,
  IN        INT32 Node,
  OUT       INT32 *AddressCells, OPTIONAL
  OUT       INT32     *SizeCells       OPTIONAL
  )
{
  return FdtGetAddressInfo (Fdt, Node, AddressCells, SizeCells);
}