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ArmPkg/ArmGic: Introduced helper functions to access the GIC controller

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15621 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Olivier Martin
2014-07-04 11:16:48 +00:00
committed by oliviermartin
parent 4edcf21de4
commit e700a1fc91
3 changed files with 66 additions and 61 deletions
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45
ArmPkg/Include/Library/ArmGicLib.h
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@@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2011-2013, ARM Limited. All rights reserved.
* Copyright (c) 2011-2014, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
@@ -57,7 +57,7 @@
#define ARM_GIC_ICCRPR 0x14 // Running Priority Register
#define ARM_GIC_ICCPIR 0x18 // Highest Pending Interrupt Register
#define ARM_GIC_ICCABPR 0x1C // Aliased Binary Point Register
#define ARM_GIC_ICCIDR 0xFC // Identification Register
#define ARM_GIC_ICCIIDR 0xFC // Identification Register
#define ARM_GIC_ICDSGIR_FILTER_TARGETLIST 0x0
#define ARM_GIC_ICDSGIR_FILTER_EVERYONEELSE 0x1
@@ -71,14 +71,20 @@
#define ARM_GIC_ICCICR_USE_SBPR 0x10
// Bit Mask for GICC_IIDR
#define ARM_GIC_ICCIDR_GET_PRODUCT_ID(IccIdr) (((IccIdr) >> 20) & 0xFFF)
#define ARM_GIC_ICCIDR_GET_ARCH_VERSION(IccIdr) (((IccIdr) >> 16) & 0xF)
#define ARM_GIC_ICCIDR_GET_REVISION(IccIdr) (((IccIdr) >> 12) & 0xF)
#define ARM_GIC_ICCIDR_GET_IMPLEMENTER(IccIdr) ((IccIdr) & 0xFFF)
#define ARM_GIC_ICCIIDR_GET_PRODUCT_ID(IccIidr) (((IccIidr) >> 20) & 0xFFF)
#define ARM_GIC_ICCIIDR_GET_ARCH_VERSION(IccIidr) (((IccIidr) >> 16) & 0xF)
#define ARM_GIC_ICCIIDR_GET_REVISION(IccIidr) (((IccIidr) >> 12) & 0xF)
#define ARM_GIC_ICCIIDR_GET_IMPLEMENTER(IccIidr) ((IccIidr) & 0xFFF)
// Bit Mask for
#define ARM_GIC_ICCIAR_ACKINTID 0x3FF
UINTN
EFIAPI
ArmGicGetInterfaceIdentification (
IN INTN GicInterruptInterfaceBase
);
//
// GIC Secure interfaces
//
@@ -116,6 +122,12 @@ ArmGicEnableDistributor (
IN INTN GicDistributorBase
);
VOID
EFIAPI
ArmGicDisableDistributor (
IN INTN GicDistributorBase
);
UINTN
EFIAPI
ArmGicGetMaxNumInterrupts (
@@ -151,4 +163,25 @@ ArmGicSetPriorityMask (
IN INTN PriorityMask
);
VOID
EFIAPI
ArmGicEnableInterrupt (
IN UINTN GicDistributorBase,
IN UINTN Source
);
VOID
EFIAPI
ArmGicDisableInterrupt (
IN UINTN GicDistributorBase,
IN UINTN Source
);
BOOLEAN
EFIAPI
ArmGicIsInterruptEnabled (
IN UINTN GicDistributorBase,
IN UINTN Source
);
#endif